/* ==========================================================================
   BİLİMFEST ESKİŞEHİR 2026 - RESMİ FESTİVAL & ETKİNLİK REHBERİ
   Aydınlık, Ferah, Çocuk & Aile Odaklı Güncel Tasarım Sistemi
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Renk Paleti - Kesinlikle Koyu/Neon Yok, Doğal ve Canlı */
  --bg-body: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-subtle: #F1F5F9;
  --bg-warm: #FFFBEB;
  
  --primary: #00A896;         /* Bilimfest Turkuazı */
  --primary-dark: #008274;
  --primary-light: #E6F7F5;
  --primary-rgb: 0, 168, 150;

  --secondary: #EB4E26;       /* TÜBİTAK Festival Turuncusu */
  --secondary-dark: #C83713;
  --secondary-light: #FEF2EE;
  --secondary-rgb: 235, 78, 38;

  --accent-gold: #F59E0B;
  --accent-blue: #0284C7;
  --accent-purple: #7C3AED;

  --text-main: #0F172A;       /* Derin Grafit - Yüksek Kontrast */
  --text-muted: #475569;
  --text-soft: #64748B;
  --text-light: #94A3B8;

  --border-subtle: #E2E8F0;
  --border-hover: #CBD5E1;

  /* Yuvarlaklık & Gölgeler */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 9999px;

  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.04), 0 1px 2px rgba(15, 23, 42, 0.02);
  --shadow-card: 0 4px 18px -2px rgba(15, 23, 42, 0.05), 0 2px 6px -1px rgba(15, 23, 42, 0.03);
  --shadow-hover: 0 14px 32px -4px rgba(0, 168, 150, 0.14), 0 4px 12px -2px rgba(15, 23, 42, 0.06);
  --shadow-elevated: 0 20px 40px -8px rgba(15, 23, 42, 0.12);

  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --max-w: 1200px;
}

/* Global Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ==========================================================================
   1. ANA GEZİNME (STICKY NAVBAR)
   ========================================================================== */
.site-header, .main-navbar {
  position: sticky;
  top: 0;
  z-index: 990;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.85);
  padding: 0.65rem 0;
  transition: all 0.3s ease;
}

.site-header .container {
  max-width: 100%;
  margin: 0;
  padding-left: clamp(1.5rem, 3.5vw, 3rem);
  padding-right: clamp(1.5rem, 3.5vw, 3rem);
}

.nav-container, .nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.brand-link, .brand-brandmark {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-logo, .brand-logo-img {
  height: 44px !important;
  max-width: 140px !important;
  width: auto !important;
  object-fit: contain !important;
  display: block !important;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--primary-dark);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.brand-subtitle {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--secondary);
  letter-spacing: 0.04em;
}

.brand-badge {
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(0, 168, 150, 0.2);
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  list-style: none;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0.85rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
  border-radius: var(--radius-pill);
  transition: all 0.2s ease;
  white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary-dark);
  background: var(--primary-light);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.btn-pill {
  border-radius: var(--radius-pill) !important;
}

.btn-sm {
  padding: 0.45rem 1rem !important;
  font-size: 0.85rem !important;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-main);
  cursor: pointer;
  padding: 0.25rem;
}

/* ==========================================================================
   3. HERO BÖLÜMÜ (CANLI ALACAKARANLIK SAZOVA PANORAMA & GERİ SAYIM)
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: clamp(680px, 86vh, 820px);
  display: flex;
  align-items: center;
  padding-top: 2.75rem;
  color: #FFFFFF;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(7, 18, 36, 0.94) 0%, rgba(7, 18, 36, 0.75) 25%, rgba(7, 18, 36, 0.12) 52%, rgba(7, 18, 36, 0.0) 100%),
    url('../assets/img/hero_sazova_bilimfest_v2.webp') center right / cover no-repeat;
  padding-bottom: 3.75rem;
  border-bottom: 1px solid rgba(0, 168, 150, 0.25);
}

@media (max-width: 991px) {
  .hero-section {
    background:
      linear-gradient(180deg, rgba(7, 18, 36, 0.90) 0%, rgba(7, 18, 36, 0.72) 100%),
      url('../assets/img/hero_sazova_bilimfest_v2.webp') center / cover no-repeat;
    padding: 2rem 0 1.5rem 0;
  }
}

.hero-layout-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  align-items: center;
  gap: 2rem;
}

@media (max-width: 991px) {
  .hero-layout-grid {
    grid-template-columns: 1fr;
  }
}

.hero-section .container {
  max-width: 100%;
  margin: 0;
  padding-left: clamp(1.5rem, 3.5vw, 3rem);
  padding-right: clamp(1rem, 2vw, 2rem);
}

.hero-content-col {
  position: relative;
  z-index: 2;
  max-width: 650px;
  padding-top: 0.75rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.15rem;
  text-shadow: 0 3px 18px rgba(0, 0, 0, 0.65);
}

.hero-title .gradient-text {
  background: linear-gradient(90deg, #2DD4BF 0%, #38BDF8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-title .highlight-orange {
  color: #FF7A50;
  text-shadow: 0 0 20px rgba(255, 122, 80, 0.4);
}

.hero-slogan {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  font-size: 0.86rem;
  font-weight: 700;
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius-pill);
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  margin-bottom: 1.15rem;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
  width: 100%;
  max-width: 435px;
  box-sizing: border-box;
  white-space: nowrap;
}

.hero-slogan i {
  color: #FFD166;
  font-size: 1rem;
  flex-shrink: 0;
}

.hero-description {
  font-size: 1.05rem;
  line-height: 1.6;
  color: rgba(241, 245, 249, 0.92);
  margin-bottom: 1.75rem;
  max-width: 640px;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}

.hero-actions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.65rem;
  width: 100%;
  max-width: 435px;
  margin-bottom: 2rem;
  box-sizing: border-box;
}

.hero-actions .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  white-space: nowrap;
  font-size: 0.84rem;
  font-weight: 700;
  padding: 0.75rem 0.5rem;
  text-decoration: none;
  width: 100%;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.22);
  box-sizing: border-box;
}

.hero-actions .btn-hero-wide {
  grid-column: 1 / -1;
  font-size: 0.94rem;
  padding: 0.8rem 1.25rem;
  letter-spacing: 0.01em;
}

.btn-outline-white {
  background: rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(8px);
}

.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.25);
  color: #FFFFFF;
  border-color: #FFFFFF;
  transform: translateY(-2px);
}

/* Hero Hızlı İstatistik Rozetleri */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
}

@media (max-width: 640px) {
  .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(15, 23, 42, 0.68);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.stat-item:hover {
  background: rgba(15, 23, 42, 0.85);
  border-color: rgba(45, 212, 191, 0.4);
  transform: translateY(-2px);
}

.stat-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(45, 212, 191, 0.18);
  color: #2DD4BF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  flex-shrink: 0;
}

.stat-info {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 1.25rem;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.1;
}

.stat-title {
  font-size: 0.72rem;
  color: #94A3B8;
  font-weight: 600;
  margin-top: 0.2rem;
}

/* ==========================================================================
   KOMPAKT GERİ SAYIM ROZETİ (SOL SÜTUNDA ZARİFÇE DURUR, SAZOVA RESMİNİ ASLA KAPATMAZ)
   ========================================================================== */
.hero-countdown-compact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(15, 23, 42, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1.5px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-pill);
  padding: 0.55rem 1.15rem;
  margin-bottom: 1.45rem;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.4);
  width: 100%;
  max-width: 435px;
  box-sizing: border-box;
}

.cd-compact-label {
  font-size: 0.8rem;
  font-weight: 800;
  color: #FF7A50;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  white-space: nowrap;
  flex-shrink: 0;
}

.cd-compact-digits {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-shrink: 0;
}

.cd-c-unit {
  font-size: 0.72rem;
  font-weight: 700;
  color: #94A3B8;
  display: inline-flex;
  align-items: baseline;
  gap: 0.18rem;
  white-space: nowrap;
}

.cd-c-unit b {
  font-size: 1.25rem;
  font-weight: 900;
  color: #FFFFFF;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.cd-c-sep {
  color: rgba(255, 255, 255, 0.35);
  font-weight: 700;
  font-size: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-pill);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(0, 168, 150, 0.3);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 168, 150, 0.4);
}

.btn-secondary {
  background: var(--secondary);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(235, 78, 38, 0.3);
}

.btn-secondary:hover {
  background: var(--secondary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(235, 78, 38, 0.4);
}

.btn-purple {
  background: linear-gradient(135deg, #7C3AED 0%, #6366F1 100%);
  color: #FFFFFF !important;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.35);
}

.btn-purple:hover {
  background: linear-gradient(135deg, #6D28D9 0%, #4F46E5 100%);
  color: #FFFFFF !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(124, 58, 237, 0.45);
}

.btn-outline {
  background: #FFFFFF;
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary-dark);
  background: var(--primary-light);
}

/* ==========================================================================
   4. FESTİVAL FOTOĞRAF GALERİSİ (RESPONSIVE MASONRY GRID)
   ========================================================================== */
.fest-gallery-section {
  padding: 5rem 0 5rem 0;
  background: linear-gradient(175deg, #0B1120 0%, #111B33 40%, #0F172A 100%);
  position: relative;
  overflow: hidden;
  color: #FFFFFF;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

/* Hafif arka plan parlaması */
.fest-gallery-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 1000px;
  height: 380px;
  background: radial-gradient(ellipse at center, rgba(0, 168, 150, 0.1) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

/* Galeri Bölüm Başlığı */
.gallery-section-header {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 3rem auto;
  position: relative;
  z-index: 5;
}

.fest-gallery-section .section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.95rem;
  border-radius: var(--radius-pill);
  background: rgba(0, 168, 150, 0.15);
  color: #2DD4BF;
  border: 1px solid rgba(45, 212, 191, 0.3);
  margin-bottom: 0.85rem;
  text-transform: uppercase;
}

.fest-gallery-section .section-title {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: 0.6rem;
}

.fest-gallery-section .section-subtitle {
  font-size: 0.92rem;
  color: #94A3B8;
  line-height: 1.6;
}

.gallery-container {
  position: relative;
  z-index: 5;
}

/* ═══════════════════════════════════════════════════════════════════
   FOTOĞRAF GRID (MASONRY BENTO LAYOUT)
   ═══════════════════════════════════════════════════════════════════ */
.fest-photo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 220px;
  gap: 14px;
}

/* Fotoğraf Kartı */
.fest-photo-card {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
  background: #0F172A;
  transform: translateY(40px);
  opacity: 0;
  transition: transform 0.55s cubic-bezier(0.16, 1, 0.3, 1),
              opacity 0.55s ease,
              box-shadow 0.35s ease;
  will-change: transform, opacity;
}

.fest-photo-card.is-revealed {
  transform: translateY(0);
  opacity: 1;
}

.fest-photo-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Hafif alt gradient (hover'da bile fotoğrafı okunur tutmak için değil — saf estetik) */
.fest-photo-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(0, 0, 0, 0.25) 100%);
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
  border-radius: 16px;
}

/* HOVER EFEKT */
.fest-photo-card:hover {
  z-index: 10;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.55), 0 0 0 2px rgba(45, 212, 191, 0.5);
}

.fest-photo-card:hover img {
  transform: scale(1.08);
}

.fest-photo-card:hover::after {
  opacity: 1;
}

/* ═══════════════════════════════════════════════════════════════════
   HERO KART (BÜYÜK ÖNE ÇIKAN FOTOĞRAF)
   ═══════════════════════════════════════════════════════════════════ */
.fest-photo-card.is-hero {
  grid-column: span 2;
  grid-row: span 2;
}

.fest-photo-card.is-hero:hover {
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6), 0 0 0 2.5px rgba(242, 100, 25, 0.6);
}

/* TALL KART (Dikey uzun) */
.fest-photo-card.is-tall {
  grid-row: span 2;
}

/* ═══════════════════════════════════════════════════════════════════
   RESPONSIVE BREAKPOINTS
   ═══════════════════════════════════════════════════════════════════ */
@media (max-width: 1100px) {
  .fest-photo-grid {
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 200px;
    gap: 12px;
  }
}

@media (max-width: 768px) {
  .fest-gallery-section {
    padding: 3.5rem 0 3.5rem 0;
  }

  .fest-photo-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 180px;
    gap: 10px;
  }

  .fest-photo-card.is-hero {
    grid-column: span 2;
    grid-row: span 2;
  }
}

@media (max-width: 480px) {
  .fest-gallery-section {
    padding: 2.5rem 0 2.5rem 0;
  }

  .gallery-section-header {
    margin-bottom: 2rem;
  }

  .fest-photo-grid {
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: 150px;
    gap: 8px;
  }

  .fest-photo-card {
    border-radius: 12px;
  }

  .fest-photo-card::after {
    border-radius: 12px;
  }

  .fest-photo-card.is-hero {
    grid-column: span 2;
    grid-row: span 2;
  }
}

/* ==========================================================================
   5. BÖLÜM GENEL BAŞLIKLARI
   ========================================================================== */
.section-padding {
  padding: 3.5rem 0;
}

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 2.5rem auto;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--primary-dark);
  background: var(--primary-light);
  padding: 0.25rem 0.8rem;
  border-radius: var(--radius-pill);
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: 2.15rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.025em;
  margin-bottom: 0.5rem;
}

.section-desc {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   6. İNTERAKTİF FESTİVAL PROGRAMI (15 - 16 - 17 EKİM)
   ========================================================================== */
.schedule-section {
  padding: 3.25rem 0 3.75rem 0;
  background: #F8FAFC;
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
}

.schedule-section .section-head {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 1.5rem auto;
}

.schedule-section .section-title {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0;
}

.schedule-title-row {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.schedule-title-logo {
  height: 48px;
  width: auto;
  object-fit: contain;
  vertical-align: middle;
  filter: drop-shadow(0 2px 8px rgba(0, 168, 150, 0.15));
}

.schedule-title-text {
  font-size: clamp(1.9rem, 3.5vw, 2.45rem);
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.025em;
  line-height: 1;
}

.schedule-section .section-title::after,
.workshops-section .section-title::after,
.transport-section .section-title::after,
.stakeholders-section .section-title::after {
  content: '';
  display: block;
  width: 56px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: var(--radius-pill);
  margin: 0.85rem auto 0 auto;
}

.schedule-tabs-wrap,
.schedule-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.day-tab-btn,
.schedule-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  background: #FFFFFF;
  border: 1.5px solid var(--border-subtle);
  padding: 0.8rem 1.6rem;
  border-radius: var(--radius-pill);
  font-size: 0.98rem;
  font-family: inherit;
  font-weight: 700;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.22s ease;
  box-shadow: var(--shadow-sm);
  outline: none;
}

.day-tab-btn:hover,
.schedule-tab:hover {
  border-color: var(--primary);
  color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(0, 168, 150, 0.15);
}

.day-tab-btn.active,
.schedule-tab.active {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #FFFFFF;
  border-color: var(--primary);
  box-shadow: 0 6px 20px rgba(0, 168, 150, 0.35);
  transform: translateY(-2px);
}

.tab-day-number {
  font-weight: 800;
  letter-spacing: -0.01em;
  font-size: 1rem;
}

.tab-day-name {
  font-weight: 600;
  font-size: 0.95rem;
  opacity: 0.95;
}

.day-tab-badge,
.tab-badge {
  background: rgba(235, 78, 38, 0.12);
  color: #EB4E26;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.15rem 0.55rem;
  border-radius: var(--radius-pill);
  letter-spacing: 0.03em;
}

.day-tab-btn.active .day-tab-badge,
.schedule-tab.active .tab-badge {
  background: rgba(255, 255, 255, 0.25);
  color: #FFFFFF;
}

/* Schedule Display Card & Header */
.schedule-display-card {
  max-width: 980px;
  margin: 0 auto;
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 1.75rem 2rem;
  box-shadow: 0 12px 36px rgba(0, 48, 73, 0.07);
}

.schedule-display-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.25rem;
  padding-bottom: 1.15rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.schedule-day-heading {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.01em;
  margin-bottom: 0.25rem;
}

.schedule-day-sub {
  font-size: 0.92rem;
  color: var(--primary);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Thursday & Friday Flow */
.thursday-friday-flow {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.timeline-card.timeline-card-compact {
  padding: 0.85rem 1.4rem;
  align-items: center;
  background: #FFFFFF;
  border-left: 4.5px solid var(--primary);
  min-height: auto;
}

.timeline-card.timeline-card-compact .timeline-title {
  margin-bottom: 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
}

.timeline-card.timeline-card-hero {
  padding: 1.5rem 1.75rem;
  background: linear-gradient(135deg, rgba(0, 168, 150, 0.05) 0%, rgba(2, 128, 144, 0.09) 100%);
  border: 1.5px solid rgba(0, 168, 150, 0.35);
  border-left: 6px solid var(--primary);
  box-shadow: 0 6px 20px rgba(0, 168, 150, 0.1);
}

.timeline-card.timeline-card-hero .timeline-title-hero {
  font-size: 1.22rem;
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 0.45rem;
}

.timeline-card.timeline-card-hero .timeline-desc-hero {
  font-size: 0.93rem;
  color: var(--text-soft);
  line-height: 1.55;
  margin: 0;
}

.time-badge-hero {
  background: var(--primary) !important;
  color: #FFFFFF !important;
  font-size: 0.95rem !important;
  padding: 0.4rem 0.9rem !important;
  box-shadow: 0 4px 12px rgba(0, 168, 150, 0.25);
}

/* Saturday Workshop Notice Banner - Compact Strip */
.saturday-workshop-banner {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.65rem 1.15rem;
  background: linear-gradient(135deg, rgba(0, 168, 150, 0.08) 0%, rgba(247, 127, 0, 0.08) 100%);
  border: 1.5px dashed rgba(0, 168, 150, 0.35);
  border-radius: var(--radius-md);
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-soft);
  line-height: 1.4;
}

.saturday-banner-icon-inline {
  color: var(--primary);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.saturday-banner-text-inline {
  flex: 1;
}

.saturday-banner-text-inline strong {
  color: var(--text-main);
  font-weight: 800;
}

/* Saturday 1-Column Compact Linear Flow (Fits on screen without scroll) */
.saturday-flow {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.saturday-flow .timeline-card {
  padding: 0.55rem 1.15rem;
  align-items: center;
  min-height: auto;
  border-left: 4.5px solid var(--primary);
  background: #FFFFFF;
  box-shadow: 0 1px 4px rgba(0, 48, 73, 0.04);
  gap: 1.15rem;
}

.saturday-flow .timeline-card.featured {
  border-left: 4.5px solid var(--secondary);
  background: linear-gradient(to right, #FFFFFF, #FFFBF9);
}

.saturday-flow .timeline-time {
  min-width: 125px;
  text-align: right;
  flex-shrink: 0;
}

.saturday-flow .time-badge {
  font-size: 0.84rem;
  font-weight: 800;
  padding: 0.25rem 0.65rem;
}

.saturday-flow .timeline-title {
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0;
  line-height: 1.35;
}

/* Timeline List & Cards */
.timeline-container,
.timeline-list {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
  position: relative;
}

.timeline-card {
  background: #FFFFFF;
  border: 1.5px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.35rem 1.6rem;
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
  border-left: 4.5px solid var(--primary);
}

.timeline-card:hover {
  border-color: rgba(0, 168, 150, 0.35);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 48, 73, 0.08);
}

/* Border Accent Colors by Type */
.timeline-card.type-workshop {
  border-left-color: var(--primary);
}

.timeline-card.type-highlight {
  border-left-color: var(--secondary);
}

.timeline-card.type-ceremony {
  border-left-color: #7C3AED;
}

.timeline-card.type-show {
  border-left-color: #F59E0B;
}

.timeline-card.type-break {
  border-left-color: #94A3B8;
  background: #FAFAFA;
}

.timeline-card.featured {
  border: 1.5px solid rgba(235, 78, 38, 0.35);
  border-left: 5px solid var(--secondary);
  background: linear-gradient(to right, #FFFFFF, #FFFBF9);
}

.timeline-time {
  min-width: 125px;
  text-align: right;
  flex-shrink: 0;
}

.time-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--primary-dark);
  background: var(--primary-light);
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-pill);
}

.timeline-card.featured .time-badge {
  color: var(--secondary-dark);
  background: var(--secondary-light);
}

.timeline-card.type-ceremony .time-badge {
  color: #6D28D9;
  background: #EDE9FE;
}

.timeline-card.type-show .time-badge {
  color: #B45309;
  background: #FEF3C7;
}

.timeline-card.type-break .time-badge {
  color: #475569;
  background: #F1F5F9;
}

.timeline-details {
  flex: 1;
}

.timeline-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.45rem;
  flex-wrap: wrap;
}

.timeline-title-group {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.timeline-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.01em;
  margin-bottom: 0.4rem;
}

/* Event Type Pills */
.type-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.type-pill.type-workshop {
  background: rgba(0, 168, 150, 0.1);
  color: #008775;
}

.type-pill.type-highlight {
  background: rgba(235, 78, 38, 0.1);
  color: #EB4E26;
}

.type-pill.type-ceremony {
  background: rgba(124, 58, 237, 0.1);
  color: #7C3AED;
}

.type-pill.type-show {
  background: rgba(245, 158, 11, 0.12);
  color: #D97706;
}

.type-pill.type-break {
  background: rgba(100, 116, 139, 0.1);
  color: #64748B;
}

.stage-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.22rem 0.7rem;
  border-radius: var(--radius-pill);
  background: var(--bg-subtle);
  color: var(--text-soft);
}

.timeline-card.featured .stage-pill {
  background: var(--secondary-light);
  color: var(--secondary-dark);
}

.timeline-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* Workshop Puzzle Mosaic Chips within Timeline Card */
.event-puzzle-wrap {
  margin-top: 0.85rem;
  padding-top: 0.85rem;
  border-top: 1px dashed rgba(0, 48, 73, 0.1);
}

.puzzle-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-soft);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.55rem;
}

.puzzle-label i {
  color: var(--primary);
}

.event-puzzle-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.puzzle-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: #F8FAFC;
  border: 1.2px solid rgba(0, 168, 150, 0.22);
  border-radius: 8px;
  padding: 0.32rem 0.75rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: #1E293B;
  cursor: pointer;
  transition: all 0.22s ease;
  font-family: inherit;
  outline: none;
}

.puzzle-chip-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.puzzle-chip-text {
  letter-spacing: -0.01em;
}

.puzzle-chip-icon {
  font-size: 0.68rem;
  color: #94A3B8;
  opacity: 0.7;
  transition: all 0.2s ease;
}

.puzzle-chip:hover {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #FFFFFF;
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 168, 150, 0.25);
}

.puzzle-chip:hover .puzzle-chip-dot {
  background: #FFFFFF;
}

.puzzle-chip:hover .puzzle-chip-icon {
  color: #FFFFFF;
  opacity: 1;
  transform: translate(1px, -1px);
}

/* ==========================================================================
   7. 73 ATÖLYE RENKLİ AKORDİYON KEŞİF
   ========================================================================== */
.workshops-section {
  padding: 3.5rem 0 4.5rem 0;
  background: #FFFFFF;
  position: relative;
}

.workshops-section .section-head {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 2.25rem auto;
}

/* Color Palettes ("hepsi renkli böyle") */
.ws-item.theme-teal {
  --ws-accent: #00A896;
  --ws-bg-tint: rgba(0, 168, 150, 0.06);
  --ws-badge-bg: rgba(0, 168, 150, 0.12);
  --ws-badge-color: #007A6D;
}

.ws-item.theme-coral {
  --ws-accent: #EB4E26;
  --ws-bg-tint: rgba(235, 78, 38, 0.06);
  --ws-badge-bg: rgba(235, 78, 38, 0.12);
  --ws-badge-color: #B8320E;
}

.ws-item.theme-purple {
  --ws-accent: #8B5CF6;
  --ws-bg-tint: rgba(139, 92, 246, 0.06);
  --ws-badge-bg: rgba(139, 92, 246, 0.12);
  --ws-badge-color: #6D28D9;
}

.ws-item.theme-green {
  --ws-accent: #10B981;
  --ws-bg-tint: rgba(16, 185, 129, 0.06);
  --ws-badge-bg: rgba(16, 185, 129, 0.12);
  --ws-badge-color: #047857;
}

.ws-item.theme-blue {
  --ws-accent: #2563EB;
  --ws-bg-tint: rgba(37, 99, 235, 0.06);
  --ws-badge-bg: rgba(37, 99, 235, 0.12);
  --ws-badge-color: #1D4ED8;
}

.ws-item.theme-amber {
  --ws-accent: #D97706;
  --ws-bg-tint: rgba(217, 119, 6, 0.06);
  --ws-badge-bg: rgba(217, 119, 6, 0.14);
  --ws-badge-color: #B45309;
}

.ws-item.theme-pink {
  --ws-accent: #EC4899;
  --ws-bg-tint: rgba(236, 72, 153, 0.06);
  --ws-badge-bg: rgba(236, 72, 153, 0.12);
  --ws-badge-color: #BE185D;
}

.ws-item.theme-cyan {
  --ws-accent: #0284C7;
  --ws-bg-tint: rgba(2, 132, 199, 0.06);
  --ws-badge-bg: rgba(2, 132, 199, 0.12);
  --ws-badge-color: #0369A1;
}

.workshops-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 0.95rem;
}

/* Accordion Item Card */
.ws-item {
  background: #FFFFFF;
  border: 1.5px solid var(--border-subtle);
  border-left: 5px solid var(--ws-accent);
  border-radius: 14px;
  box-shadow: 0 2px 6px rgba(0, 48, 73, 0.03);
  overflow: hidden;
  transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
  position: relative;
  outline: none;
}

.ws-item:hover,
.ws-item.active {
  border-color: var(--ws-accent);
  box-shadow: 0 8px 24px rgba(0, 48, 73, 0.09);
  transform: translateY(-2px);
  background: linear-gradient(180deg, #FFFFFF 0%, var(--ws-bg-tint) 100%);
}

.ws-item-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.15rem;
  background: transparent;
  user-select: none;
}

.ws-item-tent {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--ws-badge-color);
  background: var(--ws-badge-bg);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-pill);
  flex-shrink: 0;
  letter-spacing: 0.02em;
}

.ws-item-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  flex: 1;
  margin: 0;
  line-height: 1.35;
  transition: color 0.2s ease;
}

.ws-item:hover .ws-item-title,
.ws-item.active .ws-item-title {
  color: var(--ws-accent);
}

.ws-item-arrow {
  font-size: 0.8rem;
  color: #94A3B8;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), color 0.2s ease;
  flex-shrink: 0;
}

.ws-item:hover .ws-item-arrow,
.ws-item.active .ws-item-arrow {
  transform: rotate(180deg);
  color: var(--ws-accent);
}

/* Accordion Expansion Body */
.ws-item-body {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease, padding 0.35s ease;
  padding: 0 1.15rem;
  border-top: 1px dashed transparent;
}

.ws-item:hover .ws-item-body,
.ws-item.active .ws-item-body {
  max-height: 280px;
  opacity: 1;
  padding: 0.75rem 1.15rem 1rem 1.15rem;
  border-top-color: rgba(0, 48, 73, 0.08);
}

.ws-item-desc {
  font-size: 0.86rem;
  color: var(--text-soft);
  line-height: 1.5;
  margin-bottom: 0.65rem;
}

.ws-item-leader {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  font-size: 0.86rem;
  color: var(--text-main);
  background: var(--ws-bg-tint);
  padding: 0.45rem 0.8rem;
  border-radius: 8px;
  border: 1px solid var(--ws-badge-bg);
  margin-bottom: 0.65rem;
}

.ws-item-leader i {
  color: var(--ws-accent);
  font-size: 1rem;
  margin-top: 2px;
}

.ws-item-kurum {
  display: block;
  font-size: 0.76rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-top: 0.15rem;
  line-height: 1.35;
}

.ws-item-meta {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.ws-item-meta .meta-tag {
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--ws-badge-color);
  background: var(--ws-badge-bg);
  padding: 0.22rem 0.6rem;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* ==========================================================================
   8. OKUL HIZLI RANDEVU SİSTEMİ (30 SANİYEDE SORUNSUZ KAYIT)
   ========================================================================== */
.school-registration-section {
  padding: 4.5rem 0;
  background: #F8FAFC;
  border-bottom: 1px solid var(--border-subtle);
}

.registration-card, .school-reg-card {
  background: #FFFFFF;
  border: 1.5px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.75rem 2.5rem;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
  max-width: 840px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .registration-card, .school-reg-card {
    padding: 1.75rem 1.25rem;
  }
}

.reg-header {
  text-align: center;
  margin-bottom: 2.25rem;
}

.reg-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--primary-dark);
  background: var(--primary-light);
  padding: 0.3rem 0.9rem;
  border-radius: var(--radius-pill);
  margin-bottom: 0.75rem;
}

.reg-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.reg-subtitle {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto;
  line-height: 1.6;
}

.reg-form {
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
}

.form-row, .school-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

@media (max-width: 768px) {
  .form-row, .school-form-grid {
    grid-template-columns: 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label, .form-label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.form-group label i, .form-label i {
  color: var(--primary);
  font-size: 0.95rem;
}

.form-group input,
.form-group select {
  width: 100%;
  height: 48px;
  padding: 0 1.15rem;
  background: #F8FAFC;
  border: 1.5px solid #CBD5E1;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
  outline: none;
  transition: all 0.2s ease;
  box-sizing: border-box;
}

.form-group input:focus,
.form-group select:focus {
  background: #FFFFFF;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(0, 168, 150, 0.15);
}

.form-hint {
  font-size: 0.76rem;
  color: var(--text-soft);
  margin-top: 0.15rem;
}

/* Grade Chips (Çoklu Sınıf / Kademe Seçimi: Okul Öncesi - 12. Sınıf) */
.grade-chips-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.4rem;
}

.grade-chip {
  cursor: pointer;
  user-select: none;
  position: relative;
  margin: 0;
}

.grade-chip input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.grade-chip span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 700;
  color: #334155;
  background: #F1F5F9;
  border: 1.5px solid #E2E8F0;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.grade-chip:hover span {
  background: #E2E8F0;
  color: #0F172A;
  border-color: #CBD5E1;
}

.grade-chip input[type="checkbox"]:checked + span {
  background: var(--primary);
  color: #FFFFFF;
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(0, 168, 150, 0.3);
  transform: translateY(-1px);
}

.form-actions {
  margin-top: 1rem;
}

.w-100 {
  width: 100% !important;
}

.btn-lg {
  padding: 1rem 2rem !important;
  font-size: 1.05rem !important;
  font-weight: 800 !important;
}

/* Onaylı Randevu Bileti Kartı */
.ticket-card {
  background: #FFFFFF;
  border: 2px solid #2DD4BF;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 14px 34px rgba(0, 168, 150, 0.12);
  margin-top: 1.5rem;
  animation: fadeIn 0.4s ease;
}

.ticket-banner {
  background: linear-gradient(135deg, #00A896 0%, #008274 100%);
  color: #FFFFFF;
  padding: 1.75rem 2rem;
  text-align: center;
}

.ticket-banner i {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  display: block;
}

.ticket-banner h3 {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 0.25rem;
}

.ticket-banner p {
  font-size: 0.9rem;
  opacity: 0.9;
}

.ticket-body {
  padding: 2rem;
}

.ticket-code-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: #F1F5F9;
  border: 2px dashed #94A3B8;
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-bottom: 1.5rem;
}

.code-label {
  font-size: 0.75rem;
  font-weight: 800;
  color: #64748B;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.code-val {
  font-size: 1.6rem;
  font-weight: 900;
  color: #0F172A;
  letter-spacing: 0.05em;
  font-family: monospace;
}

.ticket-details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
  background: #F8FAFC;
  padding: 1.25rem;
  border-radius: var(--radius-sm);
}

@media (max-width: 640px) {
  .ticket-details-grid {
    grid-template-columns: 1fr;
  }
}

.t-item {
  display: flex;
  flex-direction: column;
}

.t-lbl {
  font-size: 0.75rem;
  color: #64748B;
  font-weight: 600;
}

.t-val {
  font-size: 0.95rem;
  color: #0F172A;
  font-weight: 700;
}

.ticket-thanks-box {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background: linear-gradient(135deg, rgba(0, 168, 150, 0.08) 0%, rgba(2, 195, 154, 0.12) 100%);
  border: 1.5px solid rgba(0, 168, 150, 0.25);
  border-radius: var(--radius-md);
  padding: 1.35rem 1.75rem;
  margin-bottom: 1.5rem;
  text-align: left;
}

.ticket-thanks-box i {
  font-size: 2.2rem;
  color: #00A896;
  flex-shrink: 0;
}

.ticket-thanks-box strong {
  display: block;
  font-size: 1.05rem;
  color: #0F172A;
  font-weight: 800;
  margin-bottom: 0.35rem;
}

.ticket-thanks-box p {
  margin: 0;
  font-size: 0.95rem;
  color: #475569;
  line-height: 1.5;
}

.ticket-instructions {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background: #FFFBEB;
  border: 1px solid #FDE68A;
  border-radius: var(--radius-sm);
  padding: 1rem;
  margin-bottom: 1.5rem;
  font-size: 0.88rem;
  color: #92400E;
}

.ticket-instructions i {
  font-size: 1.2rem;
  margin-top: 0.15rem;
  flex-shrink: 0;
}

.ticket-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.reg-admin-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.85rem;
  color: var(--text-soft);
}

.btn-link {
  background: none;
  border: none;
  color: var(--primary);
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  padding: 0;
  text-decoration: underline;
}

.btn-link:hover {
  color: var(--primary-dark);
}


/* ==========================================================================
   9. SAZOVA PARKI HARİTA & ULAŞIM
   ========================================================================== */
.venue-card {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-card);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.venue-info h3 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 0.75rem;
}

.venue-info p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
}

.transport-pills {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.trans-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
  background: var(--bg-subtle);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
}

.trans-item i {
  color: var(--primary);
}

.venue-map-box {
  background: var(--bg-subtle);
  border-radius: var(--radius-md);
  height: 280px;
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-subtle);
}

.venue-map-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ==========================================================================
   10. SPONSORLAR & PAYDAŞLAR DUVARI (YAKA KARTI DİZİLİMİ - 33 LOGO)
   ========================================================================== */
.stakeholders-section,
.sponsors-section {
  background: #FFFFFF;
  border-top: 1px solid var(--border-subtle);
  padding: 4.5rem 0 3.5rem 0;
  position: relative;
}

.stakeholders-section .section-head,
.sponsors-section .section-head {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3rem auto;
}

.sponsors-group-container {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
}

.sponsor-category-block {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.sponsor-category-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  width: 100%;
  max-width: 820px;
  margin-bottom: 1.15rem;
}

.sponsor-category-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 48, 73, 0.12), transparent);
}

.sponsor-category-title {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #64748B;
  text-transform: uppercase;
  background: #F8FAFC;
  padding: 0.3rem 0.95rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(0, 48, 73, 0.08);
  white-space: nowrap;
}

.sponsor-category-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1.1rem;
  width: 100%;
}

.sponsor-logo-box {
  width: 148px;
  height: 72px;
  background: #FFFFFF;
  border: 1.5px solid rgba(0, 48, 73, 0.06);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 0.85rem;
  filter: grayscale(100%);
  opacity: 0.62;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 2px 6px rgba(0, 48, 73, 0.02);
  cursor: pointer;
}

.sponsor-logo-box:hover {
  filter: grayscale(0%);
  opacity: 1;
  transform: translateY(-4px) scale(1.06);
  box-shadow: 0 10px 22px rgba(0, 48, 73, 0.09);
  border-color: rgba(0, 168, 150, 0.4);
}

.sponsor-logo-box img {
  max-height: 48px;
  max-width: 100%;
  width: auto;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.sponsor-logo-box[title*="Ford"],
.sponsor-logo-box[title*="Poyraz"] {
  padding: 0.5rem 0.5rem;
}

.sponsor-logo-box[title*="Ford"] img,
.sponsor-logo-box[title*="Poyraz"] img {
  max-height: 42px;
  transform: scale(1.06);
}

.sponsor-logo-box[title*="Ford"]:hover img,
.sponsor-logo-box[title*="Poyraz"]:hover img {
  transform: scale(1.14);
}

/* Üniversiteler için biraz daha geniş alan */
.sponsor-category-block.cat-universiteler .sponsor-logo-box {
  width: 175px;
  height: 78px;
  padding: 0.6rem 1rem;
}

.sponsor-category-block.cat-universiteler .sponsor-logo-box img {
  max-height: 54px;
}

@media (max-width: 768px) {
  .sponsor-logo-box {
    width: 120px;
    height: 64px;
  }
  .sponsor-logo-box img {
    max-height: 42px;
  }
  .sponsor-category-block.cat-universiteler .sponsor-logo-box {
    width: 135px;
    height: 68px;
  }
}

/* ==========================================================================
   11. FOOTER (SİTE RUHUNA UYGUN PREMİUM ALT BİLGİ)
   ========================================================================== */
.site-footer {
  background: #0B1120;
  color: #94A3B8;
  padding: 4rem 0 2.25rem 0;
  font-size: 0.88rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.35fr 1.15fr 1fr;
  gap: 3rem;
  margin-bottom: 2.75rem;
}

@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.footer-col.brand-col {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.footer-logo {
  height: 44px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(0, 168, 150, 0.25));
  align-self: flex-start;
}

.footer-desc {
  font-size: 0.88rem;
  color: #94A3B8;
  line-height: 1.6;
  max-width: 400px;
  margin: 0;
}

.footer-social {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  color: #E2E8F0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  transition: all 0.22s ease;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-social a:hover {
  background: var(--primary);
  color: #FFFFFF;
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 168, 150, 0.35);
}

.footer-title {
  color: #FFFFFF;
  font-size: 1.05rem;
  font-weight: 800;
  margin: 0 0 1.25rem 0;
  letter-spacing: -0.01em;
  position: relative;
  display: inline-block;
}

.footer-title::after {
  content: '';
  display: block;
  width: 28px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
  margin-top: 0.45rem;
}

.footer-contact {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: #CBD5E1;
  font-size: 0.88rem;
  line-height: 1.45;
}

.footer-contact li i {
  color: var(--primary);
  font-size: 0.95rem;
  margin-top: 0.2rem;
  flex-shrink: 0;
}

.footer-contact a {
  color: #CBD5E1;
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-contact a:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

.footer-tubitak-box {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  color: #00A896;
  background: rgba(0, 168, 150, 0.12);
  padding: 0.2rem 0.65rem;
  border-radius: 6px;
  width: fit-content;
  letter-spacing: 0.04em;
}

.footer-tubitak-box p {
  color: #94A3B8;
  font-size: 0.85rem;
  line-height: 1.55;
  margin: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1.75rem;
  text-align: center;
  font-size: 0.82rem;
  color: #64748B;
}

.footer-bottom p {
  margin: 0;
}

/* ==========================================================================
   12. MODAL & CİNEMATİK LIGHTBOX
   ========================================================================== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.78);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1;
}

.modal-card {
  position: relative;
  z-index: 2;
  background: #FFFFFF;
  border-radius: var(--radius-xl);
  max-width: 620px;
  width: 100%;
  padding: 2.25rem;
  box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.25);
  max-height: 90vh;
  overflow-y: auto;
  border: 1px solid rgba(226, 232, 240, 0.8);
  animation: modalPopIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-card-wide {
  max-width: 960px;
}

@keyframes modalPopIn {
  0% { opacity: 0; transform: scale(0.94) translateY(12px); }
  100% { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-close,
.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  font-size: 1.15rem;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  z-index: 5;
}

.modal-close:hover,
.modal-close-btn:hover {
  background: #FEE2E2;
  color: #DC2626;
  border-color: #FECACA;
  transform: rotate(90deg);
}

/* -------------------------------------------------------------
   CİNEMATİK LIGHTBOX MODAL (FESTİVAL FOTOĞRAFLARI İÇİN)
   ------------------------------------------------------------- */
.lightbox-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  animation: lbFadeIn 0.25s ease;
}

@keyframes lbFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 15, 29, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  cursor: pointer;
  z-index: 1;
}

.lightbox-container {
  position: relative;
  z-index: 5;
  max-width: 980px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-close-btn {
  position: absolute;
  top: -50px;
  right: 0;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  color: #FFFFFF;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 10;
}

.lightbox-close-btn:hover {
  background: rgba(239, 68, 68, 0.85);
  border-color: rgba(239, 68, 68, 0.9);
  transform: rotate(90deg);
}

.lightbox-arrow-btn {
  position: absolute;
  top: 45%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1.5px solid rgba(255, 255, 255, 0.25);
  color: #FFFFFF;
  font-size: 1.35rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 10;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.lightbox-arrow-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #FFFFFF;
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 10px 28px rgba(0, 168, 150, 0.5);
}

.lightbox-arrow-btn:active {
  transform: translateY(-50%) scale(0.95);
}

.lightbox-prev-btn {
  left: -68px;
}

.lightbox-next-btn {
  right: -68px;
}

.lightbox-figure {
  width: 100%;
  border-radius: 20px;
  overflow: hidden;
  background: transparent;
  box-shadow: none;
  animation: modalPopIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  justify-content: center;
  align-items: center;
}

.lightbox-img-wrap {
  width: auto;
  max-width: 100%;
  max-height: 86vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  overflow: hidden;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 86vh;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
  border-radius: 18px;
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.85), 0 0 0 1px rgba(255, 255, 255, 0.18);
}

.lightbox-info-bar {
  display: none !important;
}

.lightbox-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.4rem;
}

.lightbox-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #2DD4BF;
}

.lightbox-count {
  font-family: 'Plus Jakarta Sans', monospace;
  font-size: 0.82rem;
  font-weight: 700;
  color: #94A3B8;
  background: rgba(255, 255, 255, 0.08);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
}

.lightbox-caption {
  font-size: 1.2rem;
  font-weight: 800;
  color: #FFFFFF;
  margin: 0;
  line-height: 1.35;
}

@media (max-width: 900px) {
  .lightbox-prev-btn {
    left: 12px;
  }
  .lightbox-next-btn {
    right: 12px;
  }
  .lightbox-close-btn {
    top: -46px;
    right: 8px;
  }
}

/* ==========================================================================
   13. RESPONSIVE GEÇİŞ NOTU
   (Tüm ekran boyutları için nihai ve eksiksiz Responsive Kuralları dosya
   sonundaki "20. MASTER RESPONSIVE LAYER" bölümünde toplanmıştır.)
   ========================================================================== */

/* ==========================================================================
   15. KURUMSAL PROTOKOL & DESTEK KARTI (HERO ALTI YÜZEN MODERN KART)
   ========================================================================== */
.institutional-showcase-section {
  position: relative;
  z-index: 25;
  margin-top: -55px;
  padding-bottom: 2.25rem;
}

@media (max-width: 991px) {
  .institutional-showcase-section {
    margin-top: -20px;
    padding-bottom: 1.5rem;
  }
}

@media (max-width: 768px) {
  .institutional-showcase-section {
    margin-top: 0;
    padding: 1.5rem 0;
  }
}

.institutional-card {
  background: #FFFFFF;
  border: 1px solid rgba(226, 232, 240, 0.95);
  border-radius: var(--radius-lg);
  padding: 1.35rem 2rem;
  box-shadow: 0 16px 40px -8px rgba(15, 23, 42, 0.09), 0 4px 12px -2px rgba(15, 23, 42, 0.04);
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

/* Minimal versiyon: sadece logolar, kompakt ve derli toplu görünüm */
.institutional-card.institutional-card--minimal {
  padding: 0.65rem 2rem;
  gap: 0;
  box-shadow: 0 4px 16px -4px rgba(15, 23, 42, 0.06);
}

@media (max-width: 768px) {
  .institutional-card {
    padding: 1.25rem 1rem;
    border-radius: var(--radius-md);
  }
}

.inst-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

.inst-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.76rem;
  font-weight: 800;
  color: var(--primary-dark);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.inst-tag i {
  color: var(--primary);
  font-size: 0.9rem;
}

.inst-proj-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-main);
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  padding: 0.25rem 0.8rem;
  border-radius: var(--radius-pill);
}

.inst-proj-badge i {
  color: var(--primary);
}

.inst-proj-badge strong {
  color: var(--secondary);
  letter-spacing: 0.03em;
}

.inst-logos-row {
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: 1.5rem;
  padding: 0.4rem 0;
  flex-wrap: wrap;
}

.inst-logo-item {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  min-width: 140px;
}

.inst-logo-item a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease;
}

.inst-logo-item a:hover {
  transform: translateY(-2px);
}

.inst-logo-img {
  max-height: 48px !important;
  max-width: 190px !important;
  width: auto !important;
  height: auto !important;
  object-fit: contain !important;
  display: block !important;
  transition: transform 0.2s ease;
}

.inst-sep {
  width: 1px;
  height: 38px;
  background: var(--border-subtle);
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .inst-sep {
    display: none;
  }
}

.inst-card-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  flex-wrap: wrap;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-subtle);
}

.inst-text {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
  flex: 1;
  min-width: 280px;
}

.inst-text strong {
  color: var(--text-main);
  font-weight: 700;
}

.inst-meta-tags {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.inst-mini-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--primary-dark);
  background: var(--primary-light);
  border: 1px solid rgba(0, 168, 150, 0.22);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.inst-mini-chip i {
  font-size: 0.8rem;
  color: var(--primary);
}

/* ==========================================================================
   16. PROJE HAKKINDA / FESTİVALDE NELER VAR (01-06 NUMARALI KARTLAR)
   ========================================================================== */
.about-section {
  padding: 3.5rem 0 3rem 0;
  background: #F8FAFC;
  border-bottom: 1px solid var(--border-subtle);
}

.about-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}

@media (max-width: 991px) {
  .about-features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .about-features-grid {
    grid-template-columns: 1fr;
  }
}

.about-feature-card {
  background: #FFFFFF;
  border: 1.5px solid rgba(226, 232, 240, 0.9);
  border-radius: 20px;
  padding: 1.65rem 1.45rem 1.45rem 1.45rem;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.04);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.about-feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4.5px;
  background: transparent;
  transition: all 0.3s ease;
}

.about-feature-card:hover {
  transform: translateY(-5px);
}

.about-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.15rem;
}

.about-feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.about-feature-card:hover .about-feature-icon {
  transform: scale(1.08) rotate(3deg);
}

.card-num-watermark {
  font-size: 2.75rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.05em;
  font-family: 'Plus Jakarta Sans', sans-serif;
  transition: all 0.3s ease;
  user-select: none;
}

.about-feature-title {
  font-size: 1.18rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 0.65rem;
  line-height: 1.35;
  letter-spacing: -0.01em;
  transition: color 0.25s ease;
}

.about-feature-desc {
  font-size: 0.92rem;
  color: #475569;
  line-height: 1.62;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.about-feature-desc b {
  color: #0F172A;
  font-weight: 700;
}

.about-feature-footer {
  margin-top: auto;
}

.about-feature-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 0.38rem 0.9rem;
  border-radius: var(--radius-pill);
  transition: all 0.25s ease;
  letter-spacing: 0.02em;
}

/* -------------------------------------------------------------
   KART 01: MAVİ (TÜBİTAK 4007 RESMİ DESTEK & VİZYON)
   ------------------------------------------------------------- */
.about-card--blue::before {
  background: linear-gradient(90deg, #1D4ED8, #0284C7);
}
.about-card--blue .about-feature-icon {
  background: linear-gradient(135deg, #1D4ED8 0%, #0284C7 100%);
  color: #FFFFFF;
  box-shadow: 0 8px 18px rgba(2, 132, 199, 0.35);
}
.about-card--blue .card-num-watermark {
  color: rgba(2, 132, 199, 0.20);
}
.about-card--blue .about-feature-pill {
  background: #EFF6FF;
  color: #1D4ED8;
  border: 1px solid #BFDBFE;
}
.about-card--blue:hover {
  border-color: #38BDF8;
  box-shadow: 0 18px 36px -6px rgba(2, 132, 199, 0.20);
}
.about-card--blue:hover .about-feature-title {
  color: #1D4ED8;
}
.about-card--blue:hover .card-num-watermark {
  color: rgba(2, 132, 199, 0.45);
}

/* -------------------------------------------------------------
   KART 02: YEŞİL (73 ÖZGÜN ATÖLYE & DENEYSEL BİLİM)
   ------------------------------------------------------------- */
.about-card--green::before {
  background: linear-gradient(90deg, #047857, #10B981);
}
.about-card--green .about-feature-icon {
  background: linear-gradient(135deg, #047857 0%, #10B981 100%);
  color: #FFFFFF;
  box-shadow: 0 8px 18px rgba(16, 185, 129, 0.35);
}
.about-card--green .card-num-watermark {
  color: rgba(16, 185, 129, 0.20);
}
.about-card--green .about-feature-pill {
  background: #ECFDF5;
  color: #047857;
  border: 1px solid #A7F3D0;
}
.about-card--green:hover {
  border-color: #34D399;
  box-shadow: 0 18px 36px -6px rgba(16, 185, 129, 0.20);
}
.about-card--green:hover .about-feature-title {
  color: #047857;
}
.about-card--green:hover .card-num-watermark {
  color: rgba(16, 185, 129, 0.45);
}

/* -------------------------------------------------------------
   KART 03: MOR / KOZMİK (SABANCI UZAY EVİ & PLANETARYUM)
   ------------------------------------------------------------- */
.about-card--purple::before {
  background: linear-gradient(90deg, #6D28D9, #8B5CF6);
}
.about-card--purple .about-feature-icon {
  background: linear-gradient(135deg, #6D28D9 0%, #8B5CF6 100%);
  color: #FFFFFF;
  box-shadow: 0 8px 18px rgba(139, 92, 246, 0.35);
}
.about-card--purple .card-num-watermark {
  color: rgba(139, 92, 246, 0.20);
}
.about-card--purple .about-feature-pill {
  background: #F5F3FF;
  color: #6D28D9;
  border: 1px solid #DDD6FE;
}
.about-card--purple:hover {
  border-color: #C084FC;
  box-shadow: 0 18px 36px -6px rgba(139, 92, 246, 0.20);
}
.about-card--purple:hover .about-feature-title {
  color: #6D28D9;
}
.about-card--purple:hover .card-num-watermark {
  color: rgba(139, 92, 246, 0.45);
}

/* -------------------------------------------------------------
   KART 04: TURUNCU (CANLI ŞOVLAR, SIVI AZOT & BİLİM TİYATROSU)
   ------------------------------------------------------------- */
.about-card--orange::before {
  background: linear-gradient(90deg, #C2410C, #F97316);
}
.about-card--orange .about-feature-icon {
  background: linear-gradient(135deg, #C2410C 0%, #F97316 100%);
  color: #FFFFFF;
  box-shadow: 0 8px 18px rgba(249, 115, 22, 0.35);
}
.about-card--orange .card-num-watermark {
  color: rgba(249, 115, 22, 0.20);
}
.about-card--orange .about-feature-pill {
  background: #FFF7ED;
  color: #C2410C;
  border: 1px solid #FED7AA;
}
.about-card--orange:hover {
  border-color: #FB923C;
  box-shadow: 0 18px 36px -6px rgba(249, 115, 22, 0.20);
}
.about-card--orange:hover .about-feature-title {
  color: #C2410C;
}
.about-card--orange:hover .card-num-watermark {
  color: rgba(249, 115, 22, 0.45);
}

/* -------------------------------------------------------------
   KART 05: TURKUAZ (30 SN'DE HIZLI OKUL RANDEVUSU)
   ------------------------------------------------------------- */
.about-card--teal::before {
  background: linear-gradient(90deg, #0F766E, #14B8A6);
}
.about-card--teal .about-feature-icon {
  background: linear-gradient(135deg, #0F766E 0%, #14B8A6 100%);
  color: #FFFFFF;
  box-shadow: 0 8px 18px rgba(20, 184, 166, 0.35);
}
.about-card--teal .card-num-watermark {
  color: rgba(20, 184, 166, 0.20);
}
.about-card--teal .about-feature-pill {
  background: #F0FDFA;
  color: #0F766E;
  border: 1px solid #99F6E4;
}
.about-card--teal:hover {
  border-color: #2DD4BF;
  box-shadow: 0 18px 36px -6px rgba(20, 184, 166, 0.20);
}
.about-card--teal:hover .about-feature-title {
  color: #0F766E;
}
.about-card--teal:hover .card-num-watermark {
  color: rgba(20, 184, 166, 0.45);
}

/* -------------------------------------------------------------
   KART 06: PEMBE/ROSE (3 ÜNİVERSİTE & 33 PAYDAŞIN GÜCÜ)
   ------------------------------------------------------------- */
.about-card--rose::before {
  background: linear-gradient(90deg, #BE185D, #EC4899);
}
.about-card--rose .about-feature-icon {
  background: linear-gradient(135deg, #BE185D 0%, #EC4899 100%);
  color: #FFFFFF;
  box-shadow: 0 8px 18px rgba(236, 72, 153, 0.35);
}
.about-card--rose .card-num-watermark {
  color: rgba(236, 72, 153, 0.20);
}
.about-card--rose .about-feature-pill {
  background: #FDF2F8;
  color: #BE185D;
  border: 1px solid #FBCFE8;
}
.about-card--rose:hover {
  border-color: #F472B6;
  box-shadow: 0 18px 36px -6px rgba(236, 72, 153, 0.20);
}
.about-card--rose:hover .about-feature-title {
  color: #BE185D;
}
.about-card--rose:hover .card-num-watermark {
  color: rgba(236, 72, 153, 0.45);
}

/* ==========================================================================
   17. PROJE EKİBİ (YÜRÜTÜCÜ, UZMANLAR VE ATÖLYE LİDERLERİ)
   ========================================================================== */
.team-section {
  padding: 3.5rem 0 3rem 0;
  background: #FFFFFF;
  border-bottom: 1px solid var(--border-subtle);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}

@media (max-width: 1024px) {
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .team-grid {
    grid-template-columns: 1fr;
  }
}

.team-card {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem 1.4rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  position: relative;
}

.team-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.team-avatar-box {
  width: 104px;
  height: 104px;
  border-radius: 50%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  box-shadow: 0 10px 24px -4px rgba(15, 23, 42, 0.16);
  border: 3.5px solid #FFFFFF;
  outline: 3px solid var(--primary-light);
  overflow: hidden;
  background: #F1F5F9;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.team-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  transition: transform 0.35s ease;
  display: block;
}

.team-card:hover .team-avatar-img {
  transform: scale(1.08);
}

.team-avatar-box.special-orange {
  outline-color: rgba(235, 78, 38, 0.4);
  box-shadow: 0 10px 25px rgba(235, 78, 38, 0.28);
}

.team-card:hover .team-avatar-box.special-orange {
  outline-color: #EB4E26;
  box-shadow: 0 14px 30px rgba(235, 78, 38, 0.38);
}

.team-avatar-box.special-teal {
  outline-color: rgba(0, 168, 150, 0.4);
  box-shadow: 0 10px 25px rgba(0, 168, 150, 0.28);
}

.team-card:hover .team-avatar-box.special-teal {
  outline-color: #00A896;
  box-shadow: 0 14px 30px rgba(0, 168, 150, 0.38);
}

.team-avatar-box.special-blue {
  outline-color: rgba(2, 132, 199, 0.4);
  box-shadow: 0 10px 25px rgba(2, 132, 199, 0.28);
}

.team-card:hover .team-avatar-box.special-blue {
  outline-color: #0284C7;
  box-shadow: 0 14px 30px rgba(2, 132, 199, 0.38);
}

.team-avatar-box.special-indigo {
  background: linear-gradient(135deg, #4F46E5 0%, #3730A3 100%);
  color: #FFFFFF;
  font-size: 2.2rem;
  outline-color: #EEF2FF;
  box-shadow: 0 10px 25px rgba(79, 70, 229, 0.25);
}

.team-card:hover .team-avatar-box.special-indigo {
  outline-color: #4F46E5;
  box-shadow: 0 14px 30px rgba(79, 70, 229, 0.38);
}

.team-badge-role {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.8rem;
  border-radius: var(--radius-pill);
  background: var(--primary-light);
  color: var(--primary-dark);
  margin-bottom: 0.65rem;
}

.team-card.featured-role .team-badge-role {
  background: var(--secondary-light);
  color: var(--secondary);
}

.team-name {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 0.25rem;
}

.team-institution {
  font-size: 0.82rem;
  color: var(--text-soft);
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.team-desc-short {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.team-card-btn {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: auto;
}

.team-card-btn:hover {
  text-decoration: underline;
}

/* ==========================================================================
   17. NASIL ULAŞIRIM? (SAZOVA PARKI ULAŞIM REHBERİ)
   ========================================================================== */
.transport-section {
  padding: 4.5rem 0 4rem 0;
  background: #F8FAFC;
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
}

.transport-section .section-head {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 2.5rem auto;
}

.transport-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.25rem;
}

@media (max-width: 992px) {
  .transport-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}

.transport-card {
  background: #FFFFFF;
  border: 1.5px solid var(--border-subtle);
  border-radius: 18px;
  padding: 1.65rem 1.5rem;
  box-shadow: 0 4px 16px rgba(0, 48, 73, 0.04);
  transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.transport-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0, 48, 73, 0.09);
}

.transport-card.card-teal {
  border-top: 4.5px solid #00A896;
}

.transport-card.card-coral {
  border-top: 4.5px solid #EB4E26;
}

.transport-card.card-purple {
  border-top: 4.5px solid #8B5CF6;
}

.t-card-top {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  margin-bottom: 1.15rem;
}

.t-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  flex-shrink: 0;
}

.icon-teal {
  background: rgba(0, 168, 150, 0.12);
  color: #008274;
}

.icon-coral {
  background: rgba(235, 78, 38, 0.12);
  color: #EB4E26;
}

.icon-purple {
  background: rgba(139, 92, 246, 0.12);
  color: #7C3AED;
}

.t-card-title {
  font-size: 1.18rem;
  font-weight: 800;
  color: #0F172A;
  margin: 0 0 0.25rem 0;
  letter-spacing: -0.015em;
  line-height: 1.3;
}

.t-card-desc {
  font-size: 0.85rem;
  color: #64748B;
  line-height: 1.45;
  margin: 0;
}

.t-routes-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-bottom: 0;
  flex: 1;
}

.t-route-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.65rem 0.8rem;
  background: #F8FAFC;
  border-radius: 10px;
  border: 1px solid rgba(0, 48, 73, 0.05);
  transition: background 0.2s ease, border-color 0.2s ease;
}

.t-route-item:hover {
  background: #F1F5F9;
  border-color: rgba(0, 48, 73, 0.1);
}

.bus-badge {
  padding: 0.25rem 0.55rem;
  border-radius: 6px;
  font-weight: 800;
  font-size: 0.74rem;
  white-space: nowrap;
  flex-shrink: 0;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  line-height: 1;
}

.bus-black {
  background: #0F172A;
  color: #FFFFFF;
}

.bus-red {
  background: #DC2626;
  color: #FFFFFF;
}

.bus-tram {
  background: #0284C7;
  color: #FFFFFF;
}

.bus-minibus,
.bus-special {
  background: #EA580C;
  color: #FFFFFF;
}

.bus-eskart {
  background: #059669;
  color: #FFFFFF;
}

.bus-park {
  background: #7C3AED;
  color: #FFFFFF;
}

.bus-safe {
  background: #0D9488;
  color: #FFFFFF;
}

.bus-free {
  background: #00A896;
  color: #FFFFFF;
}

.bus-guide {
  background: #D97706;
  color: #FFFFFF;
}

.t-route-info {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  flex: 1;
}

.t-route-info strong {
  font-size: 0.86rem;
  font-weight: 700;
  color: #1E293B;
  line-height: 1.3;
}

.t-route-info span {
  font-size: 0.78rem;
  color: #64748B;
  line-height: 1.35;
}

.t-card-footer {
  font-size: 0.78rem;
  color: #475569;
  background: #F1F5F9;
  padding: 0.55rem 0.85rem;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  line-height: 1.4;
  margin-top: auto;
}

.t-card-footer i {
  color: var(--primary);
  font-size: 0.88rem;
  flex-shrink: 0;
}

/* Harita ve Adres Vitrini */
.transport-map-card {
  background: #FFFFFF;
  border: 1.5px solid var(--border-subtle);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 48, 73, 0.05);
  transition: box-shadow 0.28s ease;
}

.transport-map-card:hover {
  box-shadow: 0 14px 32px rgba(0, 48, 73, 0.09);
}

.map-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.5rem 1.85rem;
  background: #FFFFFF;
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
}

.map-header-left {
  display: flex;
  align-items: center;
  gap: 1.1rem;
}

.map-pin-badge {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: rgba(235, 78, 38, 0.12);
  color: #EB4E26;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.map-header-info h4 {
  font-size: 1.25rem;
  font-weight: 800;
  color: #0F172A;
  margin: 0 0 0.25rem 0;
  letter-spacing: -0.015em;
}

.map-header-info p {
  font-size: 0.88rem;
  color: #64748B;
  margin: 0 0 0.35rem 0;
}

.map-detail-tag {
  font-size: 0.76rem;
  font-weight: 700;
  color: #008274;
  background: #E6F7F5;
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.map-header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.map-header-actions .btn-nav {
  padding: 0.75rem 1.35rem;
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  transition: all 0.22s ease;
  box-shadow: 0 4px 12px rgba(0, 168, 150, 0.25);
}

.map-header-actions .btn-nav:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 168, 150, 0.35);
}

.map-header-actions .btn-primary {
  background: var(--primary);
  color: #FFFFFF;
  border: 1px solid var(--primary);
}

.map-header-actions .btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
}

.map-header-actions .btn-outline {
  background: transparent;
  color: var(--text-main);
  border: 1.5px solid var(--border-subtle);
}

.map-header-actions .btn-outline:hover {
  background: #F1F5F9;
  border-color: #CBD5E1;
}

.map-embed-container {
  height: 380px;
  width: 100%;
  position: relative;
  background: #E2E8F0;
}

.map-embed-container iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

@media (max-width: 768px) {
  .map-card-header {
    flex-direction: column;
    align-items: flex-start;
    padding: 1.25rem;
  }
  .map-header-actions {
    width: 100%;
  }
  .map-header-actions .btn-nav {
    flex: 1;
    justify-content: center;
  }
  .map-embed-container {
    height: 300px;
  }
}

/* ==========================================================================
   18. RESMİ SOSYAL MEDYA HESAPLARI (INSTAGRAM VİTRİNİ)
   ========================================================================== */
.social-section {
  padding: 3rem 0 2.5rem 0;
  background: #FFFFFF;
  border-bottom: 1px solid var(--border-subtle);
}

.social-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

@media (max-width: 991px) {
  .social-grid {
    grid-template-columns: 1fr;
  }
}

.social-card {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

.social-card:hover {
  border-color: #E1306C;
  transform: translateY(-4px);
  box-shadow: 0 14px 28px rgba(225, 48, 108, 0.12);
}

.social-card-top {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.social-avatar-img {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  border: 2.5px solid #F1F5F9;
  box-shadow: 0 4px 10px rgba(0,0,0,0.08);
  background: #FFFFFF;
  padding: 2px;
  flex-shrink: 0;
}

.social-info {
  display: flex;
  flex-direction: column;
}

.social-info h4 {
  font-size: 1.08rem;
  font-weight: 800;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  line-height: 1.25;
}

.social-verified-badge {
  color: #0095F6;
  font-size: 0.95rem;
}

.social-handle {
  font-size: 0.85rem;
  color: #E1306C;
  font-weight: 700;
  margin-top: 0.2rem;
}

.social-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.social-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-pill);
  font-size: 0.88rem;
  font-weight: 700;
  color: #FFFFFF;
  background: linear-gradient(45deg, #F58529, #DD2A7B, #8134AF);
  box-shadow: 0 4px 14px rgba(221, 42, 123, 0.25);
  text-decoration: none;
  transition: all 0.2s ease;
}

.social-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(221, 42, 123, 0.35);
  color: #FFFFFF;
}

/* ==========================================================================
   19. HARİTA, ALAN PLANI & ATÖLYE LİDERİ SATIRI
   ========================================================================== */
.map-embed-wrapper {
  width: 100%;
  height: 380px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  margin-top: 1.75rem;
}

.map-embed-wrapper iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.ws-leader-row {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--primary-dark);
  background: var(--primary-light);
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.65rem;
  line-height: 1.3;
}

.ws-leader-row i {
  color: var(--primary);
  font-size: 0.85rem;
  flex-shrink: 0;
}

/* ==========================================================================
   20. MASTER RESPONSIVE LAYER (TÜM BOY EKRANLAR & MOBİL MÜKEMMELLİK)
   Ekranlar: <= 991px (Tablet/Yatay), <= 768px (Tablet Dikey/Büyük Telefon),
             <= 576px (Akıllı Telefonlar), <= 375px (Ultra Kompakt / Küçük Telefon)
   ========================================================================== */

/* Mobil Açılır Menü Kayma Animasyonu */
@keyframes mobileNavSlideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --------------------------------------------------------------------------
   A. TABLET VE ALTINDAKİ EKRANLAR (<= 991px)
   -------------------------------------------------------------------------- */
@media (max-width: 991px) {
  /* Gezinme Çubuğu & Mobil Menü Butonu */
  .site-header, .main-navbar {
    padding: 0.65rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-subtle);
  }

  .nav-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .mobile-toggle {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    border: 1.5px solid var(--border-subtle);
    background: #FFFFFF;
    font-size: 1.25rem;
    color: var(--text-main);
    cursor: pointer;
    transition: all 0.2s ease;
  }

  .mobile-toggle:hover,
  .mobile-toggle:active {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary-dark);
  }

  /* Mobil Menü Açılır Paneli */
  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 0.65rem);
    left: 0;
    right: 0;
    background: #FFFFFF;
    flex-direction: column;
    padding: 1.25rem;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.16);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    border: 1px solid var(--border-subtle);
    border-top: 3px solid var(--primary);
    gap: 0.5rem;
    z-index: 1001;
  }

  .nav-links.open {
    display: flex !important;
    animation: mobileNavSlideDown 0.28s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  }

  .nav-link {
    width: 100%;
    padding: 0.8rem 1.15rem;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-main);
    border-radius: var(--radius-sm);
    background: #F8FAFC;
    border: 1px solid transparent;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.2s ease;
  }

  .nav-link:hover,
  .nav-link:active,
  .nav-link.active {
    background: var(--primary-light);
    border-color: rgba(0, 168, 150, 0.25);
    color: var(--primary-dark);
    transform: translateX(4px);
  }

  .brand-logo {
    max-height: 38px !important;
  }

  .brand-title {
    font-size: 0.95rem;
  }

  .brand-subtitle {
    font-size: 0.62rem;
  }

  /* Hero & Grids */
  .hero-section {
    min-height: auto;
    padding: 2.5rem 0 2rem 0;
  }

  .hero-layout-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .hero-content-col {
    max-width: 100%;
  }

  .about-features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }

  .team-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }

  .transport-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .social-grid {
    grid-template-columns: 1fr;
    max-width: 580px;
    margin-left: auto;
    margin-right: auto;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .institutional-showcase-section {
    margin-top: -20px;
    padding-bottom: 1.5rem;
  }
}

/* --------------------------------------------------------------------------
   B. STANDART TABLET DİKEY & BÜYÜK TELEFONLAR (<= 768px)
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  html, body {
    overflow-x: hidden !important;
    width: 100%;
    position: relative;
  }

  .container {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  /* Hero Başlık & Metinleri */
  .hero-title {
    font-size: clamp(1.85rem, 6vw, 2.3rem);
    line-height: 1.22;
    margin-bottom: 0.75rem;
  }

  .hero-slogan {
    font-size: 0.88rem;
    line-height: 1.4;
    padding: 0.5rem 0.95rem;
  }

  /* Kurumsal Protokol Alanı */
  .institutional-showcase-section {
    margin-top: 0 !important;
    padding: 1.25rem 0 !important;
  }

  .institutional-card {
    padding: 1rem 1.25rem !important;
    border-radius: var(--radius-md) !important;
  }

  .inst-sep {
    display: none !important;
  }

  .inst-logos-row {
    gap: 1.25rem 1rem;
  }

  /* Form & iOS Safari Zoom Önleyici (Kritik 16px Font) */
  .form-row, .school-form-grid {
    grid-template-columns: 1fr !important;
    gap: 1rem !important;
  }

  .form-group input,
  .form-group select {
    font-size: 16px !important; /* iOS Safari otomatik büyümesini kesin engeller */
    height: 48px;
  }

  /* Program Takvimi */
  .schedule-display-card {
    padding: 1.25rem 1rem !important;
    border-radius: var(--radius-md) !important;
  }

  .schedule-display-header {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 0.85rem !important;
  }

  .schedule-all-day-banner {
    flex-direction: column !important;
    text-align: center !important;
    gap: 0.9rem !important;
    padding: 1.15rem !important;
  }

  .all-day-action-btn {
    width: 100% !important;
    justify-content: center !important;
  }

  .timeline-card {
    flex-direction: column !important;
    gap: 0.75rem !important;
    padding: 1.15rem !important;
  }

  .timeline-time {
    min-width: auto !important;
    text-align: left !important;
  }

  .timeline-title-row {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 0.45rem !important;
  }

  .workshops-grid {
    grid-template-columns: 1fr !important;
    gap: 0.75rem !important;
  }

  /* Ulaşım & Harita */
  .map-card-header {
    flex-direction: column !important;
    align-items: flex-start !important;
    padding: 1.25rem !important;
    gap: 1rem !important;
  }

  .map-header-actions {
    width: 100% !important;
  }

  .map-header-actions .btn-nav {
    width: 100% !important;
    justify-content: center !important;
  }

  .map-embed-container,
  .map-embed-wrapper {
    height: 280px !important;
  }
}

/* --------------------------------------------------------------------------
   C. STANDART AKILLI TELEFONLAR (<= 576px)
   -------------------------------------------------------------------------- */
@media (max-width: 576px) {
  .container {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
  }

  .hero-section {
    padding: 2rem 0 1.5rem 0 !important;
  }

  .hero-title {
    font-size: clamp(1.6rem, 5.2vw, 1.95rem) !important;
    line-height: 1.24 !important;
  }

  .hero-slogan {
    font-size: 0.82rem !important;
    padding: 0.45rem 0.85rem !important;
    max-width: 100% !important;
    white-space: normal !important;
    text-align: center !important;
  }

  /* Hero Geri Sayım Rozetinin Mobilde Kusursuz Kart Düzenine Geçişi */
  .hero-countdown-compact {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 0.45rem !important;
    border-radius: var(--radius-md) !important;
    padding: 0.75rem 1rem !important;
    width: 100% !important;
    max-width: 360px !important;
    margin: 0 auto 1.5rem auto !important;
  }

  .cd-compact-label {
    font-size: 0.82rem !important;
  }

  .cd-compact-digits {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 0.45rem !important;
    flex-wrap: nowrap !important;
  }

  .cd-c-unit b {
    font-size: 1.25rem !important;
  }

  .cd-c-unit {
    font-size: 0.75rem !important;
  }

  /* Hero Butonlarının Tam Genişlikte Dokunmatik Hizalanması */
  .hero-actions {
    display: flex !important;
    flex-direction: column !important;
    width: 100% !important;
    max-width: 100% !important;
    gap: 0.65rem !important;
    margin-bottom: 1.5rem !important;
  }

  .hero-actions .btn {
    width: 100% !important;
    min-height: 48px !important;
    justify-content: center !important;
    font-size: 0.95rem !important;
    padding: 0.75rem 1.25rem !important;
  }

  .hero-actions .btn-hero-wide {
    grid-column: auto !important;
  }

  /* Kurumsal Protokol Logolarının 2x2 Şık Grid Yerleşimi */
  .inst-logos-row {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 0.85rem 0.5rem !important;
    padding: 0.5rem 0 !important;
  }

  .inst-logo-item {
    width: 100% !important;
    min-width: 0 !important;
    justify-content: center !important;
  }

  .inst-logo-img {
    max-height: 38px !important;
    max-width: 125px !important;
  }

  /* Bölüm Başlıkları & Boşlukları */
  .section-head {
    margin-bottom: 2rem !important;
  }

  .section-title {
    font-size: 1.65rem !important;
    line-height: 1.25 !important;
  }

  .section-desc, .section-subtitle {
    font-size: 0.88rem !important;
  }

  /* Program Gün Seçici Sekmelerinin Segmented Bar Haline Gelmesi */
  .schedule-tabs-wrap,
  .schedule-tabs {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 0.35rem !important;
    width: 100% !important;
    background: #F1F5F9 !important;
    padding: 0.3rem !important;
    border-radius: var(--radius-pill) !important;
  }

  .day-tab-btn,
  .schedule-tab {
    width: 100% !important;
    padding: 0.55rem 0.2rem !important;
    flex-direction: column !important;
    gap: 0.15rem !important;
    border-radius: var(--radius-pill) !important;
    border: none !important;
    box-shadow: none !important;
    text-align: center !important;
  }

  .tab-day-number {
    font-size: 0.82rem !important;
  }

  .tab-day-name {
    font-size: 0.7rem !important;
  }

  /* Proje Özellikleri ve Ekip Kartları */
  .about-features-grid {
    grid-template-columns: 1fr !important;
    gap: 1rem !important;
  }

  .about-feature-card {
    padding: 1.35rem 1.15rem !important;
    border-radius: var(--radius-md) !important;
  }

  .team-grid {
    grid-template-columns: 1fr !important;
    gap: 1rem !important;
  }

  .team-card {
    padding: 1.5rem 1.15rem !important;
    border-radius: var(--radius-md) !important;
  }

  /* Sınıf Seçim Çipleri (Grade Chips) */
  .grade-chips-grid {
    gap: 0.45rem !important;
  }

  .grade-chip span {
    padding: 0.5rem 0.75rem !important;
    font-size: 0.82rem !important;
    min-height: 40px !important;
    border-radius: var(--radius-pill) !important;
  }

  /* Okul Kayıt Kartı */
  .registration-card, .school-reg-card {
    padding: 1.35rem 1rem !important;
    border-radius: var(--radius-md) !important;
  }

  .reg-title {
    font-size: 1.4rem !important;
    line-height: 1.25 !important;
  }

  .reg-subtitle {
    font-size: 0.84rem !important;
  }

  .btn-lg {
    padding: 0.85rem 1.5rem !important;
    font-size: 1rem !important;
    min-height: 48px !important;
  }

  /* Onay Bileti Kartı */
  .ticket-banner {
    padding: 1.25rem 1rem !important;
  }

  .ticket-banner h3 {
    font-size: 1.15rem !important;
  }

  .ticket-body {
    padding: 1.25rem 1rem !important;
  }

  .ticket-details-grid {
    padding: 0.9rem !important;
    gap: 0.75rem !important;
  }

  .t-lbl {
    font-size: 0.72rem !important;
  }

  .t-val {
    font-size: 0.88rem !important;
  }

  .ticket-thanks-box {
    flex-direction: column !important;
    text-align: center !important;
    gap: 0.5rem !important;
    padding: 0.85rem !important;
  }

  /* Sponsorlar & Paydaşlar (2 Sütunlu Dengeli Grid) */
  .sponsor-category-row {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 0.6rem !important;
    width: 100% !important;
  }

  .sponsor-logo-box {
    width: 100% !important;
    height: 58px !important;
    padding: 0.35rem 0.5rem !important;
  }

  .sponsor-category-block.cat-universiteler .sponsor-logo-box {
    width: 100% !important;
    height: 62px !important;
  }

  .sponsor-logo-box img {
    max-height: 36px !important;
    max-width: 90% !important;
  }

  /* Harita Yüksekliği */
  .map-embed-container,
  .map-embed-wrapper {
    height: 250px !important;
  }

  /* Modallar & Lightbox */
  .modal-card {
    width: 94vw !important;
    max-height: 88vh !important;
    padding: 1.35rem 1rem !important;
    border-radius: var(--radius-lg) !important;
  }

  .modal-close,
  .modal-close-btn {
    top: 0.75rem !important;
    right: 0.75rem !important;
    width: 34px !important;
    height: 34px !important;
    font-size: 0.95rem !important;
  }

  .lightbox-arrow-btn {
    width: 38px !important;
    height: 38px !important;
    font-size: 1rem !important;
  }

  .lightbox-prev-btn {
    left: 6px !important;
  }

  .lightbox-next-btn {
    right: 6px !important;
  }
}

/* --------------------------------------------------------------------------
   D. ULTRA KOMPAKT TELEFONLAR (<= 375px)
   -------------------------------------------------------------------------- */
@media (max-width: 375px) {
  .container {
    padding-left: 0.75rem !important;
    padding-right: 0.75rem !important;
  }

  .brand-title {
    font-size: 0.88rem !important;
  }

  .brand-subtitle {
    font-size: 0.58rem !important;
  }

  .hero-title {
    font-size: 1.45rem !important;
  }

  .cd-c-unit b {
    font-size: 1.1rem !important;
  }

  .tab-day-number {
    font-size: 0.76rem !important;
  }

  .tab-day-name {
    font-size: 0.64rem !important;
  }

  .section-title {
    font-size: 1.45rem !important;
  }

  .grade-chip span {
    padding: 0.4rem 0.55rem !important;
    font-size: 0.78rem !important;
  }

  .registration-card, .school-reg-card {
    padding: 1.15rem 0.75rem !important;
  }

  .btn {
    font-size: 0.88rem !important;
    padding: 0.75rem 1rem !important;
  }
}