@import url('https://fonts.googleapis.com/css2?family=Crimson+Pro:ital,wght@0,400;0,500;0,600;0,700;1,400;1,600&family=Atkinson+Hyperlegible:wght@400;700&display=swap');

/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  --color-primary:    #0F172A;
  --color-secondary:  #1E3A8A;
  --color-cta:        #CA8A04;
  --color-cta-hover:  #A16207;
  --color-green:      #15803D;
  --color-green-light:#DCFCE7;
  --color-bg:         #F8FAFC;
  --color-surface:    #FFFFFF;
  --color-text:       #020617;
  --color-muted:      #475569;
  --color-border:     #E2E8F0;
  --color-overlay:    rgba(15, 23, 42, 0.72);

  --font-heading: 'Crimson Pro', Georgia, serif;
  --font-body:    'Atkinson Hyperlegible', system-ui, sans-serif;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  32px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:  0 4px 16px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.05);
  --shadow-lg:  0 12px 40px rgba(0,0,0,.12), 0 4px 12px rgba(0,0,0,.07);
  --shadow-gold:0 4px 20px rgba(202,138,4,.30);

  --transition: 200ms ease;

  --nav-h: 72px;
  --max-w: 1200px;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a  { text-decoration: none; color: inherit; }
ul { list-style: none; }
button, input, select, textarea { font-family: inherit; }
button { cursor: pointer; border: none; background: none; }

/* ============================================================
   TYPOGRAPHY SCALE
   ============================================================ */
h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  line-height: 1.2;
  font-weight: 700;
  color: var(--color-primary);
}
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.75rem); }
h4 { font-size: clamp(1.1rem, 2vw, 1.35rem); }
p  { font-size: 1.0625rem; line-height: 1.75; color: var(--color-muted); }
.lead { font-size: 1.2rem; line-height: 1.7; }

/* ============================================================
   LAYOUT HELPERS
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: 96px 0;
}
.section--sm  { padding: 64px 0; }
.section--dark {
  background: var(--color-primary);
  color: #fff;
}
.section--dark h2,
.section--dark h3,
.section--dark h4 { color: #fff; }
.section--dark p  { color: #94A3B8; }

.grid-2 { display: grid; gap: 32px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-3 { display: grid; gap: 28px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid-4 { display: grid; gap: 24px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

.text-center { text-align: center; }
.section-title {
  margin-bottom: 16px;
}
.section-subtitle {
  max-width: 640px;
  margin: 0 auto 56px;
  font-size: 1.1rem;
  color: var(--color-muted);
}
.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-cta);
  margin-bottom: 12px;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-cta);
  color: #fff;
  box-shadow: var(--shadow-gold);
}
.btn-primary:hover {
  background: var(--color-cta-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(202,138,4,.40);
}
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn-secondary:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
}
.btn-outline-white {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,.6);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,.15);
  border-color: #fff;
  transform: translateY(-2px);
}
.btn-green {
  background: var(--color-green);
  color: #fff;
  box-shadow: 0 4px 20px rgba(21,128,61,.30);
}
.btn-green:hover {
  background: #166534;
  transform: translateY(-2px);
}
.btn-lg { padding: 18px 36px; font-size: 1.1rem; border-radius: var(--radius-lg); }
.btn-sm { padding: 10px 20px; font-size: .9rem; }

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.card--highlighted {
  border-color: var(--color-cta);
  box-shadow: 0 0 0 3px rgba(202,138,4,.12), var(--shadow-md);
}
.card--navy {
  background: var(--color-secondary);
  border-color: transparent;
  color: #fff;
}
.card--navy h3, .card--navy h4 { color: #fff; }
.card--navy p  { color: #BAC8E8; }

/* ============================================================
   BADGES / PILLS
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 9999px;
  font-size: .82rem;
  font-weight: 700;
}
.badge-gold   { background: rgba(202,138,4,.12); color: var(--color-cta); }
.badge-navy   { background: var(--color-secondary); color: #fff; }
.badge-green  { background: var(--color-green-light); color: var(--color-green); }
.badge-ghost  { background: rgba(15,23,42,.06); color: var(--color-primary); }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(248,250,252,.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.navbar.scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: 0 2px 16px rgba(0,0,0,.06);
}
.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}
.navbar__logo {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.navbar__logo-name {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary);
}
.navbar__logo-sub {
  font-size: .72rem;
  color: var(--color-muted);
  letter-spacing: .04em;
}
.navbar__nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.navbar__nav a {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-weight: 700;
  color: var(--color-muted);
  transition: color var(--transition), background var(--transition);
}
.navbar__nav a:hover,
.navbar__nav a.active {
  color: var(--color-primary);
  background: rgba(15,23,42,.05);
}
.navbar__cta { margin-left: 12px; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.hamburger:hover { background: rgba(15,23,42,.06); }
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav drawer */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  z-index: 99;
  padding: 20px 24px 28px;
  flex-direction: column;
  gap: 4px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  color: var(--color-muted);
  transition: color var(--transition), background var(--transition);
}
.mobile-nav a:hover,
.mobile-nav a.active {
  color: var(--color-primary);
  background: rgba(15,23,42,.05);
}
.mobile-nav .btn { margin-top: 12px; justify-content: center; }

/* ============================================================
   HERO — PAGE HERO (shared across inner pages)
   ============================================================ */
.page-hero {
  padding: calc(var(--nav-h) + 72px) 0 80px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}
.page-hero__inner { position: relative; z-index: 1; }
.page-hero h1 { color: #fff; }
.page-hero p  { color: #BAC8E8; max-width: 640px; }
.page-hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

/* Green variant for nature camp */
.page-hero--green {
  background: linear-gradient(135deg, #052e16 0%, var(--color-green) 100%);
}

/* ============================================================
   HERO — MAIN (index.html)
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/hero-lab.jpg');
  background-size: cover;
  background-position: center;
  filter: brightness(.55);
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(15,23,42,.4) 0%,
    rgba(15,23,42,.6) 60%,
    rgba(15,23,42,.85) 100%
  );
}
.hero__content {
  position: relative;
  z-index: 2;
  padding-top: var(--nav-h);
  padding-bottom: 80px;
  max-width: 780px;
}
.hero__label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(202,138,4,.2);
  color: #FDE68A;
  border: 1px solid rgba(202,138,4,.4);
  padding: 6px 16px;
  border-radius: 9999px;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.hero h1 { color: #fff; margin-bottom: 20px; }
.hero .lead { color: rgba(255,255,255,.82); margin-bottom: 36px; }
.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.hero__scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.5);
  font-size: .75rem;
  animation: bobbing 2s ease-in-out infinite;
}
@keyframes bobbing {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

/* ============================================================
   TRUST STRIP
   ============================================================ */
.trust-strip {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 0;
}
.trust-strip__inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 28px 24px;
  border-right: 1px solid var(--color-border);
  transition: background var(--transition);
}
.trust-item:last-child { border-right: none; }
.trust-item:hover { background: rgba(202,138,4,.04); }
.trust-item__icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(202,138,4,.1);
  border-radius: var(--radius-md);
  color: var(--color-cta);
}
.trust-item__num {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}
.trust-item__label {
  font-size: .82rem;
  color: var(--color-muted);
  line-height: 1.4;
  margin-top: 2px;
}

/* ============================================================
   SEGMENTATION CARDS
   ============================================================ */
.seg-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  border: 2px solid var(--color-border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  box-shadow: var(--shadow-sm);
}
.seg-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.seg-card--science:hover  { border-color: var(--color-secondary); }
.seg-card--nature:hover   { border-color: var(--color-green); }
.seg-card__header {
  padding: 36px 36px 28px;
  position: relative;
}
.seg-card--science .seg-card__header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
}
.seg-card--nature .seg-card__header {
  background: linear-gradient(135deg, #052e16 0%, var(--color-green) 100%);
}
.seg-card__tag {
  display: inline-block;
  background: rgba(255,255,255,.2);
  color: rgba(255,255,255,.9);
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.seg-card__header h3 {
  color: #fff;
  margin-bottom: 8px;
}
.seg-card__header p { color: rgba(255,255,255,.75); font-size: .95rem; }
.seg-card__body {
  padding: 28px 36px 36px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.seg-card__meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.seg-card__meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.seg-card__meta-item .label {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--color-muted);
}
.seg-card__meta-item .value {
  font-size: .95rem;
  font-weight: 700;
  color: var(--color-primary);
}
.seg-card__price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--color-border);
}
.seg-card__price .amount {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
}
.seg-card__price .suffix {
  font-size: .85rem;
  color: var(--color-muted);
}
.seg-card__cta { width: 100%; justify-content: center; }

/* ============================================================
   ACCORDION (FAQ)
   ============================================================ */
.accordion { display: flex; flex-direction: column; gap: 12px; }
.accordion-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.accordion-item.open { box-shadow: var(--shadow-md); }
.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  transition: background var(--transition);
}
.accordion-header:hover { background: rgba(15,23,42,.02); }
.accordion-header h4 {
  font-size: 1.05rem;
  color: var(--color-primary);
  flex: 1;
  padding-right: 16px;
}
.accordion-icon {
  flex-shrink: 0;
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-muted);
  transition: transform var(--transition), color var(--transition);
}
.accordion-item.open .accordion-icon {
  transform: rotate(45deg);
  color: var(--color-cta);
}
.accordion-body {
  display: none;
  padding: 0 24px 20px;
}
.accordion-item.open .accordion-body { display: block; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--color-primary);
  color: rgba(255,255,255,.8);
  padding: 72px 0 0;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer__brand-name {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}
.footer__brand-sub {
  font-size: .8rem;
  color: rgba(255,255,255,.45);
  margin-bottom: 20px;
}
.footer__brand-desc {
  font-size: .9rem;
  color: rgba(255,255,255,.55);
  line-height: 1.7;
  margin-bottom: 24px;
}
.footer__contact { display: flex; flex-direction: column; gap: 10px; }
.footer__contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .88rem;
  color: rgba(255,255,255,.6);
}
.footer__contact-item svg { flex-shrink: 0; color: var(--color-cta); }
.footer__col-title {
  font-family: var(--font-body);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.35);
  margin-bottom: 20px;
}
.footer__links { display: flex; flex-direction: column; gap: 10px; }
.footer__links a {
  font-size: .9rem;
  color: rgba(255,255,255,.6);
  transition: color var(--transition);
}
.footer__links a:hover { color: var(--color-cta); }
.footer__badges { display: flex; flex-direction: column; gap: 12px; }
.footer__badge-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .85rem;
  color: rgba(255,255,255,.6);
}
.footer__badge-item svg { color: var(--color-cta); flex-shrink: 0; }
.footer__bottom {
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer__copy { font-size: .82rem; color: rgba(255,255,255,.35); }
.footer__kvkk a {
  font-size: .82rem;
  color: rgba(255,255,255,.35);
  transition: color var(--transition);
}
.footer__kvkk a:hover { color: rgba(255,255,255,.7); }

/* ============================================================
   CHECK LIST (shared component)
   ============================================================ */
.check-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 1rem;
  color: var(--color-muted);
}
.check-list li svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-green);
}
.check-list--2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 32px;
}

/* ============================================================
   TABS (bilim-kamplari page)
   ============================================================ */
.tabs-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
  padding-bottom: 4px;
}
.tab-btn {
  padding: 10px 22px;
  border-radius: var(--radius-md);
  border: 2px solid var(--color-border);
  font-size: .9rem;
  font-weight: 700;
  color: var(--color-muted);
  background: var(--color-surface);
  transition: all var(--transition);
  cursor: pointer;
}
.tab-btn:hover {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}
.tab-btn.active {
  background: var(--color-secondary);
  border-color: var(--color-secondary);
  color: #fff;
}
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.tab-content h4 { margin-bottom: 12px; }
.tab-content ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.tab-content ul li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .96rem;
  color: var(--color-muted);
  line-height: 1.6;
}
.tab-content ul li svg { flex-shrink: 0; margin-top: 3px; color: var(--color-secondary); }

/* ============================================================
   STAT GRID (egitmenlerimiz, bilim-kamplari)
   ============================================================ */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 20px;
}
.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}
.stat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.stat-card__num {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-secondary);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-card__label {
  font-size: .82rem;
  color: var(--color-muted);
  line-height: 1.4;
}

/* ============================================================
   GALLERY (masonry grid)
   ============================================================ */
.gallery-grid {
  columns: 3;
  column-gap: 16px;
}
.gallery-item {
  break-inside: avoid;
  margin-bottom: 16px;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  position: relative;
  line-height: 0;
}
.gallery-item img {
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform 300ms ease, filter 300ms ease;
}
.gallery-item:hover img {
  transform: scale(1.04);
  filter: brightness(.88);
}
.gallery-item__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
  background: rgba(15,23,42,.35);
}
.gallery-item:hover .gallery-item__overlay { opacity: 1; }
.gallery-item__overlay svg { color: #fff; }

/* LIGHTBOX */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0,0,0,.92);
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.lightbox.open { display: flex; }
.lightbox__img {
  max-height: 88vh;
  max-width: 92vw;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  object-fit: contain;
}
.lightbox__close {
  position: absolute;
  top: 20px; right: 20px;
  color: rgba(255,255,255,.7);
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  transition: background var(--transition), color var(--transition);
}
.lightbox__close:hover { background: rgba(255,255,255,.2); color: #fff; }
.lightbox__prev,
.lightbox__next {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  color: rgba(255,255,255,.7);
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  transition: background var(--transition), color var(--transition);
}
.lightbox__prev:hover,
.lightbox__next:hover { background: rgba(255,255,255,.2); color: #fff; }
.lightbox__prev { left: 20px; }
.lightbox__next { right: 20px; }

/* ============================================================
   FORM STYLES (basvuru.html)
   ============================================================ */
.form-progress {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 48px;
  counter-reset: step;
}
.form-progress__step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  position: relative;
}
.form-progress__step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 18px;
  left: calc(50% + 18px);
  right: calc(-50% + 18px);
  height: 2px;
  background: var(--color-border);
  transition: background 400ms ease;
}
.form-progress__step.done::after,
.form-progress__step.current::after { background: var(--color-cta); }
.step-dot {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  background: var(--color-surface);
  display: flex; align-items: center; justify-content: center;
  font-size: .85rem;
  font-weight: 700;
  color: var(--color-muted);
  transition: all 300ms ease;
  position: relative;
  z-index: 1;
}
.form-progress__step.current .step-dot {
  border-color: var(--color-cta);
  background: var(--color-cta);
  color: #fff;
}
.form-progress__step.done .step-dot {
  border-color: var(--color-green);
  background: var(--color-green);
  color: #fff;
}
.step-label {
  font-size: .75rem;
  font-weight: 700;
  text-align: center;
  color: var(--color-muted);
  line-height: 1.3;
}
.form-progress__step.current .step-label { color: var(--color-primary); }

.form-step { display: none; }
.form-step.active { display: block; }
.form-step-title {
  font-size: 1.4rem;
  margin-bottom: 8px;
}
.form-step-desc {
  color: var(--color-muted);
  margin-bottom: 32px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
}
.form-group label {
  font-size: .88rem;
  font-weight: 700;
  color: var(--color-primary);
}
.form-group label span.req { color: var(--color-cta); margin-left: 2px; }
.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-control:focus {
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(30,58,138,.1);
}
.form-control.error { border-color: #DC2626; }
.form-error {
  font-size: .8rem;
  color: #DC2626;
  display: none;
}
.form-error.visible { display: block; }

.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; }

/* Camp selection cards */
.camp-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px;
}
.camp-card {
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 16px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
}
.camp-card input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0; height: 0;
}
.camp-card:hover { border-color: var(--color-secondary); }
.camp-card.selected {
  border-color: var(--color-secondary);
  background: rgba(30,58,138,.05);
  box-shadow: 0 0 0 3px rgba(30,58,138,.12);
}
.camp-card svg { color: var(--color-secondary); margin-bottom: 10px; }
.camp-card.selected svg { color: var(--color-secondary); }
.camp-card__name {
  font-weight: 700;
  font-size: .92rem;
  color: var(--color-primary);
}
.camp-card__sub {
  font-size: .78rem;
  color: var(--color-muted);
  margin-top: 4px;
}

/* Radio group */
.radio-group { display: flex; flex-direction: column; gap: 10px; }
.radio-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--transition);
}
.radio-option:hover { border-color: var(--color-secondary); }
.radio-option input { accent-color: var(--color-secondary); }

/* Checkbox group */
.checkbox-group { display: flex; flex-direction: column; gap: 14px; }
.checkbox-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--transition);
}
.checkbox-item:hover { border-color: var(--color-secondary); }
.checkbox-item input { margin-top: 2px; accent-color: var(--color-secondary); flex-shrink: 0; }
.checkbox-item__text { font-size: .92rem; color: var(--color-text); line-height: 1.5; }
.checkbox-item__text strong { color: var(--color-primary); }

/* Conditional field */
.conditional-field {
  display: none;
  margin-top: 10px;
}
.conditional-field.visible { display: block; }

/* Form navigation */
.form-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

/* Thank you screen */
.thank-you {
  display: none;
  text-align: center;
  padding: 64px 0;
}
.thank-you.visible { display: block; }
.thank-you__icon {
  width: 80px; height: 80px;
  background: var(--color-green-light);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 24px;
  color: var(--color-green);
}

/* ============================================================
   BIOGRAPHY SECTION (kurumsal)
   ============================================================ */
.bio-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 64px;
  align-items: start;
}
.bio-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: sticky;
  top: calc(var(--nav-h) + 24px);
}
.bio-image img { width: 100%; aspect-ratio: 3/4; object-fit: cover; object-position: top; }
.bio-content__quote {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-style: italic;
  color: var(--color-secondary);
  border-left: 4px solid var(--color-cta);
  padding-left: 20px;
  margin: 28px 0;
  line-height: 1.5;
}
.bio-content p { margin-bottom: 16px; }

/* Reference badges */
.ref-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.ref-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: .88rem;
  color: var(--color-primary);
  font-weight: 700;
  transition: all var(--transition);
}
.ref-badge:hover {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
  background: rgba(30,58,138,.04);
}
.ref-badge svg { color: var(--color-cta); flex-shrink: 0; }

/* ============================================================
   CTA BANNER (bottom of camp pages)
   ============================================================ */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-radius: var(--radius-xl);
  padding: 56px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -40px; right: -40px;
  width: 200px; height: 200px;
  background: rgba(255,255,255,.05);
  border-radius: 50%;
}
.cta-banner__text h2 { color: #fff; margin-bottom: 8px; }
.cta-banner__text p  { color: rgba(255,255,255,.7); font-size: 1rem; }
.cta-banner__actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-align: center;
  flex-shrink: 0;
}
.cta-banner__price {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 700;
  color: #fff;
  line-height: 1;
}
.cta-banner__price span {
  font-size: 1rem;
  color: rgba(255,255,255,.6);
  font-family: var(--font-body);
}
.cta-banner__quota {
  font-size: .8rem;
  color: rgba(255,255,255,.55);
}

/* ============================================================
   SCROLL REVEAL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 600ms ease, transform 600ms ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }
.reveal-delay-4 { transition-delay: 400ms; }

/* ============================================================
   RESPONSIVE — 1024px
   ============================================================ */
@media (max-width: 1024px) {
  .trust-strip__inner { grid-template-columns: repeat(2, 1fr); }
  .trust-item:nth-child(2) { border-right: none; }
  .trust-item:nth-child(3) { border-top: 1px solid var(--color-border); }
  .trust-item:nth-child(4) { border-top: 1px solid var(--color-border); border-right: none; }

  .footer__grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .bio-grid { grid-template-columns: 1fr; }
  .bio-image { position: static; max-width: 340px; }

  .gallery-grid { columns: 2; }
}

/* ============================================================
   RESPONSIVE — 768px (tablet / large mobile)
   ============================================================ */
@media (max-width: 768px) {
  :root { --nav-h: 64px; }
  .section { padding: 64px 0; }
  .section--sm { padding: 44px 0; }

  .navbar__nav,
  .navbar__cta { display: none; }
  .hamburger { display: flex; }

  .trust-strip__inner { grid-template-columns: 1fr 1fr; }

  .seg-card__meta { grid-template-columns: 1fr; }

  .check-list--2col { grid-template-columns: 1fr; }

  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; text-align: center; }

  .cta-banner { padding: 36px 28px; flex-direction: column; text-align: center; }
  .cta-banner__actions { width: 100%; }

  .form-grid-2 { grid-template-columns: 1fr; }
}

/* ============================================================
   RESPONSIVE — 480px (mobile)
   ============================================================ */
@media (max-width: 480px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }

  .trust-strip__inner { grid-template-columns: 1fr; }
  .trust-item { border-right: none; border-bottom: 1px solid var(--color-border); }
  .trust-item:last-child { border-bottom: none; }

  .gallery-grid { columns: 1; }

  .hero__ctas { flex-direction: column; }
  .hero__ctas .btn { width: 100%; justify-content: center; }

  .camp-cards { grid-template-columns: 1fr 1fr; }

  .form-progress__step .step-label { display: none; }

  .seg-card__body { padding: 20px 24px 28px; }
  .seg-card__header { padding: 28px 24px 20px; }

  .cta-banner { padding: 28px 20px; }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
  .hero__scroll { animation: none; }
}