/* =========================
   Akıl Çemberi — Stylesheet
   ========================= */
:root {
  --navy: #0a2c5a;
  --navy-2: #143d7a;
  --navy-dark: #061d3d;
  --yellow: #ffd233;
  --yellow-2: #ffc107;
  --bg: #f6f8fc;
  --text: #1f2937;
  --muted: #6b7280;
  --white: #ffffff;
  --border: #e5e7eb;
  --shadow-sm: 0 4px 12px rgba(10, 44, 90, 0.06);
  --shadow: 0 10px 30px rgba(10, 44, 90, 0.10);
  --shadow-lg: 0 20px 50px rgba(10, 44, 90, 0.18);
  --radius: 14px;
  --radius-lg: 22px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: 'Nunito', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg, video { max-width: 100%; height: auto; }

button, a, input, select, textarea {
  -webkit-tap-highlight-color: rgba(255, 210, 51, 0.3);
}

/* iOS form zoom önleme */
input, select, textarea { font-size: 16px; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

h1, h2, h3, h4, h5 {
  font-family: 'Baloo 2', 'Nunito', sans-serif;
  color: var(--navy);
  line-height: 1.2;
  font-weight: 700;
}

.hl { color: var(--yellow-2); position: relative; }

/* ======== TOPBAR ======== */
.topbar {
  background: var(--navy-dark);
  color: #cfd8e8;
  font-size: 13px;
  padding: 8px 0;
}
.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.topbar-left, .topbar-right {
  display: flex; gap: 18px; flex-wrap: wrap;
}
.topbar a { transition: color .2s; }
.topbar a:hover { color: var(--yellow); }
.topbar a:hover i { transform: scale(1.15); }
.topbar a i { transition: transform .2s; display: inline-block; }

.map-link {
  color: inherit;
  transition: color .2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.map-link:hover { color: var(--yellow); }
.topbar i { color: var(--yellow); margin-right: 6px; }

/* ======== NAVBAR ======== */
.navbar {
  background: var(--white);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}
.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
}
.logo {
  display: flex; align-items: center; gap: 12px;
}
.logo-mark {
  width: 50px; height: 50px;
  background: linear-gradient(135deg, var(--navy), var(--navy-2));
  border-radius: 14px;
  display: grid; place-items: center;
  color: var(--yellow);
  font-size: 22px;
  box-shadow: var(--shadow-sm);
}
.logo-title {
  display: block;
  font-family: 'Baloo 2', sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--navy);
  line-height: 1;
}
.logo-sub {
  display: block;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.4px;
  text-transform: uppercase;
  margin-top: 3px;
}

.nav-links {
  display: flex; align-items: center; gap: 6px;
}
.nav-links a {
  padding: 10px 14px;
  border-radius: 10px;
  font-weight: 600;
  color: var(--navy);
  transition: all .2s;
  font-size: 15px;
}
.nav-links a:hover {
  background: #eef3fb;
  color: var(--navy-2);
}
.btn-nav {
  background: var(--yellow);
  color: var(--navy) !important;
  margin-left: 6px;
}
.btn-nav:hover { background: var(--yellow-2) !important; }

.hamburger {
  display: none;
  background: none; border: none;
  flex-direction: column; gap: 5px;
  cursor: pointer; padding: 8px;
}
.hamburger span {
  display: block; width: 26px; height: 3px;
  background: var(--navy); border-radius: 3px;
}

/* ======== HERO ======== */
.hero {
  position: relative;
  background: linear-gradient(135deg, #f0f5ff 0%, #fff7d6 100%);
  padding: 70px 0 90px;
  overflow: hidden;
}
.hero-shapes .shape {
  position: absolute; border-radius: 50%; opacity: .35;
}
.shape-1 { width: 280px; height: 280px; background: var(--yellow); top: -80px; right: -60px; }
.shape-2 { width: 180px; height: 180px; background: var(--navy); bottom: -50px; left: -40px; opacity: .1; }
.shape-3 { width: 90px; height: 90px; background: var(--yellow-2); top: 30%; left: 8%; opacity: .25; }
.shape-4 { width: 60px; height: 60px; background: var(--navy-2); bottom: 20%; right: 15%; opacity: .15; }

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--white);
  color: var(--navy);
  padding: 8px 16px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 14px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
}
.hero-badge i { color: var(--yellow-2); }
.hero h1 {
  font-size: clamp(36px, 5vw, 56px);
  margin-bottom: 18px;
}
.hero p {
  font-size: 18px;
  color: #374151;
  margin-bottom: 28px;
  max-width: 540px;
}
.hero-buttons {
  display: flex; gap: 14px; flex-wrap: wrap;
  margin-bottom: 40px;
}

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 26px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all .25s;
  font-family: inherit;
}
.btn-primary {
  background: var(--yellow);
  color: var(--navy);
  box-shadow: 0 8px 20px rgba(255, 193, 7, 0.35);
}
.btn-primary:hover {
  background: var(--yellow-2);
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(255, 193, 7, 0.45);
}
.btn-outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn-outline:hover {
  background: var(--navy);
  color: var(--white);
}
.btn-block { width: 100%; justify-content: center; }

.hero-stats {
  display: flex; gap: 30px; flex-wrap: wrap;
  padding-top: 24px;
  border-top: 2px dashed #d6dee9;
}
.stat-num {
  font-family: 'Baloo 2', sans-serif;
  font-size: 32px;
  font-weight: 700;
  color: var(--navy);
}
.stat-label {
  font-size: 14px;
  color: var(--muted);
  font-weight: 600;
}

/* HERO VISUAL */
.hero-visual { position: relative; }
.hero-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transform: rotate(-2deg);
  transition: transform .3s;
  aspect-ratio: 926 / 1440;
  max-width: 380px;
  margin: 0 auto;
  position: relative;
}
.hero-card:hover { transform: rotate(0deg) scale(1.02); }
.hero-card img {
  width: 100%; height: 100%; object-fit: cover;
}
.hero-card-fallback {
  display: none;
  position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--navy), var(--navy-2));
  color: var(--yellow);
  flex-direction: column; align-items: center; justify-content: center;
  padding: 30px; text-align: center; gap: 14px;
}
.hero-card-fallback i { font-size: 60px; }
.hero-card-fallback p { color: var(--white); font-weight: 600; }
.hero-card-fallback small { color: #cfd8e8; font-size: 12px; }
.hero-card.no-img .hero-card-fallback { display: flex; }


/* ======== FEATURES STRIP ======== */
.features-strip {
  background: var(--navy);
  padding: 30px 0;
  margin-top: -30px;
  position: relative;
  z-index: 3;
  border-radius: 30px 30px 0 0;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.feature {
  display: flex; align-items: center; gap: 16px;
  color: var(--white);
}
.feature h4 {
  color: var(--white);
  font-size: 17px;
  margin-bottom: 2px;
}
.feature p { color: #cfd8e8; font-size: 16px; }
.feature-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: grid; place-items: center;
  font-size: 22px;
  flex-shrink: 0;
}
.icon-blue { background: rgba(255,255,255,0.1); color: var(--yellow); }
.icon-yellow { background: var(--yellow); color: var(--navy); }

/* ======== SECTIONS ======== */
section { padding: 80px 0; }

.section-tag {
  display: inline-block;
  background: #fff7d6;
  color: var(--navy-2);
  padding: 6px 14px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.section-tag.yellow { background: var(--yellow); color: var(--navy); }
.section-tag.cyan { background: #e1efff; color: #0d4a9e; }
.section-tag.cyan i { margin-right: 6px; }

.section-head { margin-bottom: 50px; }
.section-head.center { text-align: center; }
.section-head h2 {
  font-size: clamp(28px, 4vw, 42px);
  margin-bottom: 12px;
}
.section-head p {
  color: var(--muted);
  font-size: 17px;
  max-width: 640px;
  margin: 0 auto;
}

/* ======== ABOUT ======== */
.about { background: var(--bg); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
}
.about-image { position: relative; }
.about-img-main {
  width: 100%;
  border-radius: var(--radius-lg);
  aspect-ratio: 477 / 716;
  object-fit: contain;
  background: var(--white);
  box-shadow: var(--shadow-lg);
  display: block;
}
.about-img-badge {
  position: absolute;
  bottom: -20px; right: -20px;
  background: var(--yellow);
  padding: 18px 24px;
  border-radius: 16px;
  box-shadow: var(--shadow);
  text-align: center;
}
.about-img-badge strong {
  display: block;
  font-family: 'Baloo 2', sans-serif;
  font-size: 20px;
  color: var(--navy);
}
.about-img-badge small { color: var(--navy); font-weight: 600; }

.about-text h2 {
  font-size: clamp(28px, 4vw, 40px);
  margin: 12px 0 20px;
}
.about-text p { margin-bottom: 16px; color: #4b5563; }

.about-list {
  margin: 24px 0 30px;
  display: grid;
  gap: 12px;
}
.about-list li {
  display: flex; align-items: center; gap: 12px;
  font-weight: 600;
  color: var(--navy);
}
.about-list i { color: var(--yellow-2); font-size: 18px; }

/* ======== PROGRAMS ======== */
.program-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.program-card {
  background: var(--white);
  padding: 30px 24px;
  border-radius: var(--radius);
  border: 2px solid var(--border);
  text-align: center;
  transition: all .3s;
}
.program-card:hover {
  border-color: var(--yellow);
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}
.program-icon {
  width: 70px; height: 70px;
  margin: 0 auto 18px;
  border-radius: 18px;
  display: grid; place-items: center;
  font-size: 28px;
}
.program-card h3 {
  font-size: 19px;
  margin-bottom: 8px;
}
.program-card p { color: var(--muted); font-size: 16px; line-height: 1.55; }

/* ======== LGS ======== */
.lgs {
  background: linear-gradient(135deg, #0a2c5a 0%, #143d7a 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.lgs::before {
  content: '';
  position: absolute;
  width: 400px; height: 400px;
  background: var(--yellow);
  opacity: .08;
  border-radius: 50%;
  top: -150px; right: -100px;
}
.lgs-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
}
.lgs-poster {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 9/16;
  max-width: 360px;
  margin: 0 auto;
  background: var(--navy-dark);
}
.lgs-poster img { width: 100%; height: 100%; object-fit: cover; }
.lgs-poster-fallback {
  display: none;
  position: absolute; inset: 0;
  flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center; padding: 30px; gap: 14px;
  color: var(--yellow);
}
.lgs-poster-fallback i { font-size: 60px; }
.lgs-poster-fallback p { font-family: 'Baloo 2', sans-serif; font-size: 22px; color: var(--white); }
.lgs-poster-fallback small { color: #cfd8e8; font-size: 12px; }
.lgs-poster-fallback code { background: rgba(255,255,255,0.1); padding: 2px 6px; border-radius: 4px; }
.lgs-poster.no-img img { display: none; }
.lgs-poster.no-img .lgs-poster-fallback { display: flex; }

.lgs-info h2 {
  color: var(--white);
  font-size: clamp(30px, 4vw, 46px);
  margin: 12px 0 16px;
}
.lgs-info .hl { color: var(--yellow); }
.lgs-info p { color: #d6dfee; }
.lgs-date {
  font-family: 'Baloo 2', sans-serif;
  font-size: 22px !important;
  color: var(--yellow) !important;
  margin: 14px 0 18px;
}
.lgs-date i { margin-right: 8px; }

.lgs-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 24px 0 30px;
}
.lgs-feat {
  display: flex; align-items: center; gap: 10px;
  font-weight: 600;
  color: var(--white);
}
.lgs-feat i { color: var(--yellow); }

/* ======== ROBOTİK ATÖLYE ======== */
.robotik {
  background: linear-gradient(135deg, #eaf3ff 0%, #f7faff 55%, #fff8d6 100%);
  position: relative;
  overflow: hidden;
}
.robotik::before {
  content: '';
  position: absolute;
  width: 380px; height: 380px;
  background: var(--navy);
  opacity: .06;
  border-radius: 50%;
  top: -140px; left: -100px;
  pointer-events: none;
}
.robotik::after {
  content: '';
  position: absolute;
  width: 320px; height: 320px;
  background: var(--yellow);
  opacity: .18;
  border-radius: 50%;
  bottom: -120px; right: -80px;
  pointer-events: none;
}
.robotik-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 60px;
  align-items: center;
}
.robotik-info h2 {
  font-size: clamp(28px, 4vw, 44px);
  margin: 12px 0 16px;
  color: var(--navy);
}
.robotik-info .hl { color: var(--yellow-2); }
.robotik-info > p {
  color: #38465d;
  font-size: 16px;
  line-height: 1.7;
}
.robotik-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 14px 0 22px !important;
}
.robotik-meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 50px;
  background: var(--white);
  color: var(--navy);
  font-weight: 700;
  font-size: 14px;
  box-shadow: 0 4px 14px rgba(10,44,90,0.08);
  border: 2px solid #e1efff;
}
.robotik-meta-pill i { color: #1a4fa3; }
.robotik-meta-pill.alert {
  background: var(--yellow);
  color: var(--navy);
  border-color: var(--yellow-2);
  animation: pulse-pill 2s infinite;
}
.robotik-meta-pill.alert i { color: var(--navy); }
@keyframes pulse-pill {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.04); }
}
.robotik-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 24px 0 30px;
}
.robotik-feat {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--white);
  padding: 16px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform .25s, box-shadow .25s;
}
.robotik-feat:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.robotik-feat > i {
  font-size: 20px;
  color: var(--white);
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.robotik-feat > div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.robotik-feat strong {
  font-size: 15px;
  color: var(--navy);
  font-weight: 800;
}
.robotik-feat small {
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.4;
}
.robotik-poster {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 926 / 1325;
  max-width: 360px;
  margin: 0 auto;
  background: var(--navy-dark);
  transform: rotate(2deg);
  transition: transform .3s;
}
.robotik-poster:hover { transform: rotate(0) scale(1.02); }
.robotik-poster img { width: 100%; height: 100%; object-fit: cover; display: block; }
.robotik-poster-fallback {
  display: none;
  position: absolute; inset: 0;
  flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center; padding: 30px; gap: 14px;
  color: var(--yellow);
}
.robotik-poster-fallback i { font-size: 60px; }
.robotik-poster-fallback p { font-family: 'Baloo 2', sans-serif; font-size: 22px; color: var(--white); }
.robotik-poster.no-img img { display: none; }
.robotik-poster.no-img .robotik-poster-fallback { display: flex; }

/* ======== ACTIVITIES ======== */
.activities { background: var(--bg); }
.activity-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.activity-card {
  background: var(--white);
  padding: 30px 24px;
  border-radius: var(--radius);
  text-align: center;
  transition: all .3s;
  position: relative;
  overflow: hidden;
}
.activity-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 5px;
  background: var(--yellow);
  transform: scaleX(0);
  transition: transform .3s;
}
.activity-card:hover::before { transform: scaleX(1); }
.activity-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}
.activity-icon {
  width: 80px; height: 80px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--navy), var(--navy-2));
  color: var(--yellow);
  display: grid; place-items: center;
  font-size: 32px;
}
.activity-card h3 { font-size: 20px; margin-bottom: 8px; }
.activity-card p { color: var(--muted); font-size: 16px; line-height: 1.55; }

/* ======== WHY ======== */
.why-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 60px;
  align-items: center;
}
.why-poster {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 926 / 1250;
  max-width: 380px;
  margin: 0 auto;
  background: var(--navy-dark);
  transform: rotate(-2deg);
  transition: transform .3s;
}
.why-poster:hover { transform: rotate(0) scale(1.02); }
.why-poster img { width: 100%; height: 100%; object-fit: cover; display: block; }
.why-poster-fallback {
  display: none;
  position: absolute; inset: 0;
  flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center; padding: 30px; gap: 14px;
  color: var(--yellow);
}
.why-poster-fallback i { font-size: 60px; }
.why-poster-fallback p { font-family: 'Baloo 2', sans-serif; font-size: 22px; color: var(--white); }
.why-poster.no-img img { display: none; }
.why-poster.no-img .why-poster-fallback { display: flex; }
.why-content h2 {
  font-size: clamp(28px, 4vw, 40px);
  margin: 12px 0 14px;
}
.why-lead {
  color: #4b5563;
  font-size: 16px;
  line-height: 1.65;
  margin-bottom: 22px;
}
.why-lead strong { color: var(--navy); }
.why-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.why-card {
  background: var(--white);
  border: 2px solid var(--border);
  padding: 24px;
  border-radius: var(--radius);
  transition: all .3s;
}
.why-card:hover {
  border-color: var(--yellow);
  transform: translateY(-4px);
}
.why-card i {
  width: 50px; height: 50px;
  background: #fff7d6;
  color: var(--yellow-2);
  border-radius: 12px;
  display: grid; place-items: center;
  font-size: 22px;
  margin-bottom: 14px;
}
.why-card h4 { font-size: 17px; margin-bottom: 6px; }
.why-card p { color: var(--muted); font-size: 16px; line-height: 1.55; }

/* ======== GALLERY ======== */
.gallery { background: var(--bg); }

.gallery-strip {
  display: flex;
  align-items: stretch;
  gap: 12px;
  height: 460px;
  width: 100%;
  margin-bottom: 40px;
}
.gallery-photo {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: flex-grow .55s cubic-bezier(.4, 0, .2, 1),
              flex-basis .55s cubic-bezier(.4, 0, .2, 1),
              box-shadow .35s ease;
}
.gallery-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform .55s ease;
}
.gallery-photo::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(10, 44, 90, 0.55));
  opacity: 0;
  transition: opacity .35s ease;
  pointer-events: none;
}

/* Hover edilen fotoğraf büyür, diğerleri küçülür */
.gallery-strip:hover .gallery-photo { flex-grow: 0.4; }
.gallery-strip .gallery-photo:hover {
  flex-grow: 4;
  box-shadow: var(--shadow-lg);
}
.gallery-photo:hover img { transform: scale(1.04); }
.gallery-photo:hover::after { opacity: 1; }

.gallery-cta { text-align: center; }

/* ======== ENROLL ======== */
.enroll {
  background: linear-gradient(135deg, #fff7d6 0%, #f0f5ff 100%);
}
.enroll-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 60px;
  align-items: start;
}
.enroll-info h2 {
  font-size: clamp(28px, 4vw, 40px);
  margin: 12px 0 16px;
}
.enroll-info p { color: #4b5563; }
.enroll-list {
  margin-top: 24px;
  display: grid; gap: 14px;
}
.enroll-list li {
  display: flex; align-items: center; gap: 12px;
  background: var(--white);
  padding: 14px 18px;
  border-radius: 12px;
  font-weight: 600;
  color: var(--navy);
  box-shadow: var(--shadow-sm);
}
.enroll-list i {
  width: 36px; height: 36px;
  background: var(--yellow);
  color: var(--navy);
  border-radius: 8px;
  display: grid; place-items: center;
}

.enroll-form {
  background: var(--white);
  padding: 36px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
.enroll-form h3 {
  font-size: 24px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 2px dashed var(--border);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-weight: 700;
  font-size: 14px;
  color: var(--navy);
  margin-bottom: 6px;
}
.form-group label span { color: #ef4444; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--border);
  border-radius: 10px;
  font-family: inherit;
  font-size: 15px;
  transition: all .2s;
  background: var(--white);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--yellow-2);
  box-shadow: 0 0 0 3px rgba(255, 193, 7, 0.15);
}
.form-group textarea { resize: vertical; }

.form-check {
  display: flex; align-items: center; gap: 10px;
  margin: 16px 0 22px;
  font-size: 14px;
  color: var(--muted);
}
.form-check input { width: 18px; height: 18px; accent-color: var(--yellow-2); }

.form-success {
  display: none;
  margin-top: 18px;
  padding: 14px 16px;
  background: #e9f7ee;
  color: #2e7d4f;
  border-radius: 10px;
  font-weight: 600;
}
.form-success.show { display: flex; align-items: center; gap: 10px; }

.form-error {
  display: none;
  margin-top: 14px;
  padding: 14px 16px;
  background: #fde8e8;
  color: #b91c1c;
  border-radius: 10px;
  font-weight: 600;
}
.form-error.show { display: flex; align-items: center; gap: 10px; }
.form-error::before { content: '\f06a'; font-family: 'Font Awesome 6 Free'; font-weight: 900; }

/* ======== CONTACT ======== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.contact-card {
  background: var(--white);
  border: 2px solid var(--border);
  padding: 36px 24px;
  border-radius: var(--radius);
  text-align: center;
  transition: all .3s;
  display: block;
}
.contact-card:hover {
  border-color: var(--yellow);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.contact-icon {
  width: 64px; height: 64px;
  margin: 0 auto 16px;
  border-radius: 16px;
  display: grid; place-items: center;
  font-size: 24px;
}
.contact-card .icon-blue { background: #eaf3ff; color: var(--navy); }
.contact-card .icon-yellow { background: #fff7d6; color: var(--yellow-2); }
.contact-card h4 { font-size: 18px; margin-bottom: 6px; }
.contact-card p { color: var(--muted); font-weight: 600; font-size: 16px; }

/* ======== FOOTER ======== */
.footer {
  background: var(--navy-dark);
  color: #cfd8e8;
  padding: 70px 0 0;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 50px;
}
.footer-brand p { margin: 18px 0; font-size: 14px; }
.footer .logo-title { color: var(--white); }
.footer .logo-sub { color: #94a3b8; }
.socials {
  display: flex; gap: 10px;
}
.socials a {
  width: 42px; height: 42px;
  background: rgba(255,255,255,0.05);
  border-radius: 10px;
  display: grid; place-items: center;
  color: var(--yellow);
  transition: all .2s;
  font-size: 16px;
}
.socials a:hover { background: var(--yellow); color: var(--navy); }

.footer-col h5 {
  color: var(--white);
  font-size: 16px;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h5::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 36px; height: 3px;
  background: var(--yellow);
  border-radius: 3px;
}
.footer-col ul li {
  margin-bottom: 10px;
  font-size: 14px;
}
.footer-col ul a {
  color: #cfd8e8;
  transition: color .2s;
}
.footer-col ul a:hover { color: var(--yellow); }
.contact-list li {
  display: flex; align-items: center; gap: 10px;
}
.contact-list i { color: var(--yellow); width: 18px; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: #94a3b8;
}

/* ======== WHATSAPP FLOAT ======== */
.float-buttons {
  position: fixed;
  bottom: 24px; right: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 50;
}
.float-btn {
  width: 58px; height: 58px;
  border-radius: 50%;
  display: grid; place-items: center;
  color: var(--white);
  font-size: 28px;
  transition: transform .2s;
}
.float-btn:hover { transform: scale(1.1); }
.whatsapp-float {
  background: #25d366;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
}
.instagram-float {
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  box-shadow: 0 8px 24px rgba(220, 39, 67, 0.4);
}

/* ======== RESPONSIVE ======== */
@media (max-width: 992px) {
  .hero-inner,
  .about-grid,
  .lgs-grid,
  .robotik-grid,
  .why-grid,
  .enroll-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .robotik-poster { order: -1; }
  .hero-visual { order: -1; }
  .why-poster { order: -1; max-width: 320px; }
  .program-grid,
  .activity-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .gallery-strip { height: 360px; }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .features-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  /* Hero arka plan dekoratif şekilleri ve gölgeler mobilde gizle */
  .hero-shapes,
  .hero-shapes *,
  .hero .shape,
  .shape-1, .shape-2, .shape-3, .shape-4 {
    display: none !important;
    opacity: 0 !important;
    visibility: hidden !important;
  }
  .hero, .hero::before, .hero::after { background: linear-gradient(135deg, #f0f5ff 0%, #fff7d6 100%) !important; }
  .hero-card { box-shadow: 0 6px 20px rgba(10, 44, 90, 0.10) !important; }

  /* Navigasyon */
  .nav-links {
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 20px;
    gap: 6px;
    box-shadow: var(--shadow);
    transform: translateY(-150%);
    transition: transform .3s;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { width: 100%; }
  .hamburger { display: flex; }

  .container { padding: 0 16px; }

  /* Topbar */
  .topbar { font-size: 12px; padding: 6px 0; }
  .topbar-left { display: none; }
  .topbar-inner { justify-content: center; }
  .topbar-right { gap: 14px; }

  /* Logo */
  .logo-mark { width: 42px; height: 42px; font-size: 18px; border-radius: 12px; }
  .logo-title { font-size: 17px; }
  .logo-sub { font-size: 10px; }

  /* Hero */
  .hero { padding: 40px 0 60px; }
  .hero-inner { gap: 30px; }
  .hero h1 { font-size: 34px; }
  .hero p { font-size: 16px; }
  .hero-buttons { gap: 10px; }
  .hero-buttons .btn { padding: 12px 20px; font-size: 14px; flex: 1 1 auto; justify-content: center; }
  .hero-stats { gap: 22px; padding-top: 18px; }
  .stat-num { font-size: 26px; }
  .stat-label { font-size: 13px; }

  .hero-card { max-width: 300px; }

  /* Bölümler */
  section { padding: 50px 0; }
  .section-head { margin-bottom: 36px; }
  .section-head h2 { font-size: 26px; }
  .section-head p { font-size: 15px; }

  /* Features strip */
  .features-strip { padding: 24px 0; border-radius: 24px 24px 0 0; }
  .feature-icon { width: 48px; height: 48px; font-size: 18px; }
  .feature h4 { font-size: 16px; }
  .feature p { font-size: 14px; }

  /* About */
  .about-img-main { aspect-ratio: 477 / 716; }
  .about-img-badge { right: 0; bottom: -16px; padding: 12px 18px; }
  .about-img-badge strong { font-size: 16px; }
  .about-img-badge small { font-size: 12px; }
  .about-text h2 { font-size: 26px; }
  .about-list li { font-size: 15px; }

  /* Programs */
  .program-card { padding: 24px 18px; }
  .program-icon { width: 60px; height: 60px; font-size: 24px; }
  .program-card h3 { font-size: 17px; }

  /* LGS */
  .lgs-grid { gap: 30px; }
  .lgs-poster { max-width: 280px; }
  .lgs-info h2 { font-size: 30px; }
  .lgs-date { font-size: 18px !important; }
  .lgs-features { grid-template-columns: 1fr; gap: 10px; }

  /* Robotik */
  .robotik-grid { gap: 30px; }
  .robotik-poster { max-width: 280px; }
  .robotik-info h2 { font-size: 26px; }
  .robotik-features { grid-template-columns: 1fr; gap: 12px; }
  .robotik-meta { gap: 8px; }
  .robotik-meta-pill { font-size: 13px; padding: 6px 12px; }
  .robotik::before, .robotik::after { width: 220px; height: 220px; }

  /* Activities */
  .activity-card { padding: 24px 18px; }
  .activity-icon { width: 64px; height: 64px; font-size: 26px; }
  .activity-card h3 { font-size: 17px; }

  /* Why */
  .why-cards { grid-template-columns: 1fr; }
  .why-content h2 { font-size: 26px; }
  .why-lead { font-size: 15px; }
  .why-poster { max-width: 280px; }

  /* Gallery */
  .gallery-strip {
    height: auto;
    flex-wrap: wrap;
    gap: 10px;
  }
  .gallery-strip .gallery-photo {
    flex: 0 0 calc(50% - 5px);
    height: 180px;
  }
  .gallery-strip:hover .gallery-photo,
  .gallery-strip .gallery-photo:hover {
    flex-grow: 0;
    flex-basis: calc(50% - 5px);
  }

  /* Form */
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .enroll-form { padding: 22px 18px; border-radius: 16px; }
  .enroll-form h3 { font-size: 20px; margin-bottom: 18px; }
  .form-group input,
  .form-group select,
  .form-group textarea { font-size: 16px; padding: 11px 13px; }
  .enroll-info h2 { font-size: 26px; }
  .enroll-list li { font-size: 14px; padding: 12px 14px; }

  /* Contact */
  .contact-card { padding: 28px 20px; }
  .contact-icon { width: 56px; height: 56px; font-size: 22px; }

  /* Footer */
  .footer { padding: 50px 0 0; }
  .footer-inner { grid-template-columns: 1fr; gap: 30px; padding-bottom: 36px; }
  .footer-col h5 { font-size: 15px; margin-bottom: 14px; }

  /* Floating buttons - mobilde dikey istif */
  .float-buttons {
    bottom: 18px; right: 18px;
    flex-direction: column;
    gap: 12px;
  }
  .float-btn {
    width: 52px; height: 52px;
    font-size: 24px;
  }
}

@media (max-width: 480px) {
  .container { padding: 0 14px; }

  /* Logo */
  .logo-sub { display: none; }
  .logo-title { font-size: 16px; }

  /* Hero */
  .hero h1 { font-size: 28px; }
  .hero-badge { font-size: 12px; padding: 6px 12px; }
  .hero-buttons .btn { width: 100%; }
  .hero-stats { gap: 14px; }
  .stat-num { font-size: 22px; }
  .stat-label { font-size: 12px; }
  .hero-card { max-width: 260px; }

  /* Topbar */
  .topbar-right { font-size: 11px; gap: 10px; }

  /* Bölümler */
  .section-head h2 { font-size: 22px; }
  h2 { font-size: 22px !important; }

  /* Programs / Activities */
  .program-grid,
  .activity-grid { grid-template-columns: 1fr; }

  /* LGS */
  .lgs-poster { max-width: 240px; }
  .lgs-info h2 { font-size: 26px; }

  /* About */
  .about-img-main { aspect-ratio: 477 / 716; }
  .about-img-badge { padding: 10px 14px; right: 6px; bottom: -14px; }

  /* Gallery */
  .gallery-strip { gap: 8px; }
  .gallery-strip .gallery-photo {
    flex: 0 0 100%;
    height: 220px;
  }
  .gallery-strip:hover .gallery-photo,
  .gallery-strip .gallery-photo:hover {
    flex-basis: 100%;
  }

  /* Form */
  .enroll-info h2 { font-size: 22px; }
  .form-check { font-size: 13px; }

  /* Contact card icon */
  .contact-icon { width: 50px; height: 50px; font-size: 20px; }
  .contact-card h4 { font-size: 16px; }
  .contact-card p { font-size: 14px; }
}

/* iPhone SE ve çok küçük ekranlar */
@media (max-width: 360px) {
  .hero h1 { font-size: 26px; }
  .hero-card { max-width: 230px; }
  .lgs-info h2 { font-size: 24px; }
  .topbar-right a { font-size: 10px; }
}