/* =============================================================
   Erhan Akademi — Design System
   Renk dili: Koyu Yeşil (birincil, logo) + Orman Yeşili (destek) + Altın (vurgu, logo)
   Font: Plus Jakarta Sans
   ============================================================= */

:root {
  /* Renk paleti — logo renklerinden türetildi (yeşil ağırlıklı) */
  --navy-950: #071D12;
  --navy-900: #0D3C24;
  --navy-800: #124A2D;
  --navy-700: #1A5C39;
  --blue-600: #1C7A46;
  --blue-500: #23904F;
  --blue-400: #34A85E;
  --blue-100: #DCEEE0;
  --blue-50:  #F0F8F2;
  --sky-50:   #F4FAF5;

  /* Altın vurgu — logodan (fil0 #C39738), sınırlı kullanım için */
  --gold-600: #C39738;
  --gold-500: #D4AC53;
  --gold-100: #F3E8CE;
  --gold-50:  #FBF6EA;

  --white:    #FFFFFF;
  --gray-50:  #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-400: #94A3B8;
  --gray-500: #64748B;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1E293B;
  --gray-900: #0F172A;

  /* Semantik */
  --brand: var(--navy-900);
  --brand-2: var(--blue-600);
  --accent: var(--blue-400);
  --bg: var(--white);
  --bg-soft: var(--sky-50);
  --bg-tint: var(--blue-50);
  --text: var(--gray-900);
  --text-muted: var(--gray-500);
  --border: var(--gray-200);
  --border-strong: var(--gray-300);

  /* Radius */
  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;
  --r-pill: 999px;

  /* Shadow (tinted, brand-aware) */
  --shadow-xs: 0 1px 2px rgba(13, 60, 36, 0.04);
  --shadow-sm: 0 2px 8px rgba(13, 60, 36, 0.05);
  --shadow-md: 0 8px 24px rgba(13, 60, 36, 0.06);
  --shadow-lg: 0 20px 50px rgba(13, 60, 36, 0.08);
  --shadow-xl: 0 30px 80px rgba(13, 60, 36, 0.12);

  /* Typography scale */
  --f-sans: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI",
            Roboto, "Helvetica Neue", Arial, sans-serif;

  /* Layout */
  --container: 1240px;
  --gap: 24px;
  --nav-h: 72px;

  /* Easing */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

/* -------- Reset -------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 200;
  background: var(--navy-900);
  color: #fff;
  padding: 10px 16px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: top 0.2s var(--ease-out);
}
.skip-link:focus { top: 12px; outline: none; }
body {
  font-family: var(--f-sans);
  color: var(--text);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul, ol { list-style: none; }
input, textarea, select { font: inherit; color: inherit; }
::selection { background: var(--blue-100); color: var(--navy-900); }

/* -------- Type -------- */
h1, h2, h3, h4, h5 {
  font-family: var(--f-sans);
  color: var(--navy-900);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
h1 { font-size: clamp(2.25rem, 4.5vw + 0.5rem, 4.25rem); font-weight: 800; }
h2 { font-size: clamp(1.75rem, 2.5vw + 0.5rem, 3rem); font-weight: 800; }
h3 { font-size: clamp(1.25rem, 1vw + 0.75rem, 1.75rem); font-weight: 700; }
h4 { font-size: 1.125rem; font-weight: 700; }
p  { color: var(--gray-600); line-height: 1.65; max-width: 68ch; }
.lead { font-size: clamp(1.05rem, 0.5vw + 0.9rem, 1.25rem); color: var(--gray-600); }

/* -------- Layout -------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
@media (min-width: 768px) {
  .container { padding: 0 40px; }
}
section { padding: clamp(64px, 8vw, 120px) 0; }

/* -------- Utility -------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--blue-600);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--gold-600);
  border-radius: 999px;
}

/* -------- Buttons -------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: var(--r-pill);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.28s var(--ease-out);
  white-space: nowrap;
  cursor: pointer;
  border: 1px solid transparent;
}
.btn i { font-size: 1.15rem; }
.btn-primary {
  background: var(--navy-900);
  color: var(--white);
  box-shadow: 0 8px 20px rgba(13, 60, 36, 0.18);
}
.btn-primary:hover {
  background: var(--navy-800);
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(13, 60, 36, 0.24);
}
.btn-primary:active { transform: translateY(-1px); }
.btn-secondary {
  background: var(--white);
  color: var(--navy-900);
  border-color: var(--gray-200);
}
.btn-secondary:hover {
  border-color: var(--navy-900);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-ghost {
  background: transparent;
  color: var(--navy-900);
  padding: 12px 0;
}
.btn-ghost:hover { color: var(--blue-600); }
.btn-ghost i { transition: transform 0.28s var(--ease-out); }
.btn-ghost:hover i { transform: translateX(4px); }

/* -------- Header / Nav -------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(255,255,255,0.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.site-header.scrolled {
  background: rgba(255,255,255,0.94);
  border-bottom-color: var(--gray-200);
  box-shadow: var(--shadow-sm);
}
.nav-wrap {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  color: var(--navy-900);
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}
.brand-logo {
  height: 44px;
  width: auto;
  display: block;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  padding: 10px 16px;
  border-radius: var(--r-pill);
  color: var(--gray-700);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s, background 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.nav-link:hover { color: var(--navy-900); background: var(--gray-100); }
.nav-link.active { color: var(--navy-900); background: var(--gray-100); }
.nav-link i { font-size: 0.7rem; transition: transform 0.2s var(--ease-out); }
.nav-item {
  position: relative;
  display: flex;
  align-items: center;
}
.nav-item.has-dropdown:hover .nav-link i,
.nav-item.has-dropdown:focus-within .nav-link i {
  transform: rotate(180deg);
}
.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 230px;
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  padding: 8px;
  margin-top: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.22s var(--ease-out), transform 0.22s var(--ease-out), visibility 0.22s;
  z-index: 110;
}
.nav-item.has-dropdown:hover .nav-dropdown,
.nav-item.has-dropdown:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-dropdown-link {
  display: block;
  padding: 11px 14px;
  border-radius: 10px;
  color: var(--gray-700);
  font-weight: 500;
  font-size: 0.92rem;
  transition: color 0.2s, background 0.2s;
}
.nav-dropdown-link:hover, .nav-dropdown-link.active { color: var(--navy-900); background: var(--gray-100); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--gray-200);
  background: var(--white);
  align-items: center;
  justify-content: center;
  color: var(--navy-900);
}
.menu-toggle i { font-size: 1.5rem; }

/* Mobile nav */
@media (max-width: 1024px) {
  .nav-list { display: none; }
  .menu-toggle { display: inline-flex; }
  .nav-cta .btn:not(.menu-toggle) { display: none; }
}
.mobile-nav {
  position: fixed;
  inset: var(--nav-h) 0 0 0;
  background-color: var(--navy-900);
  background-image:
    linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(155deg, var(--navy-900) 0%, var(--blue-500) 55%, var(--gold-600) 100%);
  background-size: 26px 26px, 26px 26px, 100% 100%;
  z-index: 90;
  padding: 32px 24px;
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.28s var(--ease-out), transform 0.28s var(--ease-out);
  overflow-y: auto;
}
.mobile-nav.open { opacity: 1; transform: translateY(0); pointer-events: auto; }
.mobile-nav ul { display: flex; flex-direction: column; gap: 4px; }
.mobile-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  border-radius: 14px;
  font-weight: 600;
  color: #fff;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.18);
}
.mobile-nav a:hover { background: rgba(255,255,255,0.18); }
.mobile-nav .btn { margin-top: 16px; width: 100%; }
.mobile-nav .btn-primary { background: #fff; color: var(--navy-900); }
.mobile-nav .btn-primary:hover { background: var(--gold-50); }
.mnav-group { border: none; }
.mnav-group-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  border-radius: 14px;
  font-weight: 600;
  font-size: 1rem;
  color: #fff;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.18);
  font-family: inherit;
}
.mnav-group-toggle span { display: flex; align-items: center; gap: 12px; }
.mnav-group-toggle:hover { background: rgba(255,255,255,0.18); }
.mnav-group-toggle i:last-child { font-size: 0.9rem; transition: transform 0.24s var(--ease-out); }
.mnav-group.open .mnav-group-toggle i:last-child { transform: rotate(180deg); }
.mnav-submenu {
  max-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: max-height 0.3s var(--ease-out);
}
.mnav-group.open .mnav-submenu { max-height: 320px; }
.mnav-submenu a {
  padding: 13px 18px 13px 46px;
  border: none;
  background: transparent;
  color: rgba(255,255,255,0.85);
  border-radius: 10px;
  font-weight: 500;
  font-size: 0.95rem;
}
.mnav-submenu a:hover { background: rgba(255,255,255,0.14); color: #fff; }
.mnav-credit {
  margin-top: 24px;
  text-align: center;
  color: rgba(255,255,255,0.6);
  font-size: 0.8rem;
}
.mnav-credit a {
  display: inline;
  padding: 0;
  border-radius: 0;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  background: none;
  border: none;
}
.mnav-credit a:hover,
.footer-bottom .footer-credit a:hover { text-decoration: underline; }

/* -------- Hero -------- */
.hero {
  position: relative;
  padding-top: calc(var(--nav-h) + 72px);
  padding-bottom: 96px;
  overflow: hidden;
  background:
    radial-gradient(1100px 620px at 88% -10%, rgba(28,122,70,0.15), transparent 60%),
    radial-gradient(900px 500px at -10% 30%, rgba(220,238,224,0.6), transparent 60%),
    var(--white);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 64px;
  align-items: center;
}
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { order: -1; }
  .hero { padding-top: calc(var(--nav-h) + 48px); padding-bottom: 64px; }
}
.hero h1 {
  margin: 20px 0 22px;
}
.hero h1 .accent {
  background: linear-gradient(120deg, var(--blue-600), var(--navy-900));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p { font-size: 1.125rem; max-width: 56ch; }
.hero-cta { margin-top: 36px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero-trust {
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid var(--gray-200);
  display: flex;
  gap: 36px;
  flex-wrap: wrap;
}
.trust-item .num {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--navy-900);
  letter-spacing: -0.02em;
}
.trust-item .lbl {
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-top: 2px;
}

/* Hero visual */
.hero-visual {
  position: relative;
  aspect-ratio: 4/5;
  border-radius: var(--r-xl);
  overflow: hidden;
  background: var(--gray-100);
  box-shadow: var(--shadow-xl);
}
.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(13,60,36,0.35));
}
.hero-badge {
  position: absolute;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(10px);
  padding: 14px 18px;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid rgba(255,255,255,0.7);
}
.hero-badge.b1 { top: 32px; left: -18px; }
.hero-badge.b2 { bottom: 32px; right: -18px; }
.hero-badge .ic {
  width: 42px; height: 42px;
  border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--blue-100), var(--white));
  color: var(--blue-600);
  font-size: 1.35rem;
}
.hero-badge .t {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--navy-900);
  line-height: 1.2;
}
.hero-badge .s {
  font-size: 0.75rem;
  color: var(--gray-500);
}
@media (max-width: 900px) {
  .hero-badge.b1 { left: 12px; }
  .hero-badge.b2 { right: 12px; }
}

/* -------- Sections -------- */
.section-head {
  display: flex;
  gap: 40px;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 56px;
}
.section-head .head-title { max-width: 640px; }
.section-head h2 { margin-top: 16px; }
.section-head p { margin-top: 16px; }
@media (max-width: 768px) {
  .section-head { flex-direction: column; align-items: flex-start; gap: 24px; }
}

/* Bg variants */
.bg-soft { background: var(--sky-50); }
.bg-navy {
  background:
    radial-gradient(700px 400px at 90% 0%, rgba(195,151,56,0.25), transparent 60%),
    radial-gradient(600px 400px at 0% 100%, rgba(52,168,94,0.2), transparent 60%),
    var(--navy-900);
  color: #fff;
}
.bg-navy h1, .bg-navy h2, .bg-navy h3, .bg-navy h4 { color: #fff; }
.bg-navy p { color: rgba(255,255,255,0.75); }
.bg-navy .eyebrow { color: var(--gold-500); }
.bg-navy .eyebrow::before { background: var(--gold-500); }

/* -------- Feature grid (Neden Erhan) -------- */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 900px) { .features { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .features { grid-template-columns: 1fr; } }
.feature-card {
  padding: 32px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--r-lg);
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out), border-color 0.35s;
  height: 100%;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.feature-card .ic {
  width: 56px; height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--blue-50), var(--blue-100));
  color: var(--navy-900);
  display: grid; place-items: center;
  font-size: 1.65rem;
  margin-bottom: 22px;
}
.feature-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.feature-card p { font-size: 0.95rem; color: var(--gray-600); }

/* Feature card variant: highlighted */
.feature-card.hi {
  background: linear-gradient(160deg, var(--navy-900), var(--navy-800));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 24px 60px rgba(13,60,36,0.22);
}
.feature-card.hi .ic {
  background: rgba(255,255,255,0.1);
  color: #fff;
}
.feature-card.hi h3 { color: #fff; }
.feature-card.hi p { color: rgba(255,255,255,0.75); }

/* -------- Split section (image + text) -------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.split.reverse { direction: rtl; }
.split.reverse > * { direction: ltr; }
@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; gap: 40px; }
  .split.reverse { direction: ltr; }
}
.split-visual {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: var(--r-xl);
  overflow: hidden;
  background: var(--gray-100);
  box-shadow: var(--shadow-lg);
}
.split-visual img { width: 100%; height: 100%; object-fit: cover; }
.split-list { margin-top: 28px; display: flex; flex-direction: column; gap: 14px; }
.split-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: var(--gray-700);
  font-size: 1rem;
}
.split-list li i {
  color: var(--blue-600);
  font-size: 1.35rem;
  flex-shrink: 0;
  margin-top: 1px;
}

/* -------- Stat block -------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
@media (max-width: 900px) { .stats { grid-template-columns: repeat(2, 1fr); } }
.stat-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 32px 28px;
  border-radius: var(--r-lg);
  backdrop-filter: blur(10px);
}
.stat-card .num {
  font-size: clamp(2rem, 3vw, 2.75rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
  line-height: 1;
}
.stat-card .lbl {
  margin-top: 12px;
  color: rgba(255,255,255,0.7);
  font-size: 0.95rem;
}

/* -------- CTA banner -------- */
.cta-banner {
  position: relative;
  border-radius: var(--r-xl);
  padding: clamp(48px, 6vw, 80px);
  overflow: hidden;
  background:
    radial-gradient(600px 300px at 90% 20%, rgba(195,151,56,0.3), transparent 60%),
    radial-gradient(500px 250px at 0% 100%, rgba(52,168,94,0.3), transparent 60%),
    linear-gradient(135deg, var(--navy-900), var(--navy-800));
  color: #fff;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 40px;
  align-items: center;
  box-shadow: var(--shadow-xl);
}
@media (max-width: 800px) { .cta-banner { grid-template-columns: 1fr; } }
.cta-banner h2 { color: #fff; margin-bottom: 16px; }
.cta-banner p { color: rgba(255,255,255,0.8); font-size: 1.05rem; }
.cta-banner .cta-actions { display: flex; gap: 12px; flex-wrap: wrap; justify-content: flex-end; }
@media (max-width: 800px) {
  .cta-banner .cta-actions { justify-content: flex-start; width: 100%; }
  .cta-banner .cta-actions .btn { flex: 1 1 auto; }
}
.cta-banner .btn-primary { background: #fff; color: var(--navy-900); }
.cta-banner .btn-primary:hover { background: var(--blue-50); }
.cta-banner .btn-secondary { background: transparent; color: #fff; border-color: rgba(255,255,255,0.3); }
.cta-banner .btn-secondary:hover { background: rgba(255,255,255,0.08); border-color: #fff; }

/* -------- Footer -------- */
.site-footer {
  background: var(--navy-950);
  color: rgba(255,255,255,0.7);
  padding: 80px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer .brand { color: #fff; margin-bottom: 20px; }
.site-footer .brand-logo { filter: brightness(0) invert(1); }
.site-footer p { color: rgba(255,255,255,0.6); font-size: 0.95rem; }
.footer-col h4 {
  color: #fff;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col a {
  color: rgba(255,255,255,0.7);
  font-size: 0.95rem;
  transition: color 0.2s;
}
.footer-col a:hover { color: #fff; }
.footer-col .contact-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: rgba(255,255,255,0.7);
  font-size: 0.95rem;
}
.footer-col .contact-item i {
  color: var(--blue-400);
  font-size: 1.15rem;
  flex-shrink: 0;
  margin-top: 2px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 32px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
}
.footer-bottom .footer-slogan { text-align: center; white-space: nowrap; }
.footer-bottom .footer-credit { text-align: right; }
@media (max-width: 680px) {
  .footer-bottom { grid-template-columns: 1fr; text-align: center; gap: 10px; }
  .footer-bottom .footer-slogan, .footer-bottom .footer-credit { text-align: center; }
}
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 40px; height: 40px;
  border-radius: 12px;
  background: rgba(255,255,255,0.06);
  display: grid; place-items: center;
  color: #fff;
  transition: background 0.2s, transform 0.2s;
}
.footer-social a:hover { background: var(--blue-600); transform: translateY(-2px); }
.footer-social i { font-size: 1.15rem; }

/* -------- Page hero (iç sayfalar) -------- */
.page-hero {
  padding: calc(var(--nav-h) + 72px) 0 72px;
  background:
    radial-gradient(700px 400px at 90% 20%, rgba(28,122,70,0.12), transparent 60%),
    linear-gradient(180deg, var(--sky-50), var(--white));
}
.page-hero .breadcrumb {
  display: flex;
  gap: 10px;
  align-items: center;
  color: var(--gray-500);
  font-size: 0.9rem;
  margin-bottom: 20px;
}
.page-hero .breadcrumb a:hover { color: var(--navy-900); }
.page-hero h1 { max-width: 22ch; }
.page-hero p { font-size: 1.125rem; margin-top: 20px; max-width: 62ch; }

.page-hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 56px;
  align-items: center;
}
@media (max-width: 900px) {
  .page-hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .page-hero-visual, .page-hero-motif { order: -1; }
}
.page-hero-visual {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: var(--r-xl);
  overflow: hidden;
  background: var(--gray-100);
  box-shadow: var(--shadow-xl);
}
.page-hero-visual img { width: 100%; height: 100%; object-fit: cover; }

/* Decorative animated education motif for pages without a dedicated photo */
.page-hero-motif {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: var(--r-xl);
  border: 1px solid var(--gray-200);
  overflow: hidden;
  background:
    radial-gradient(480px 320px at 22% 18%, rgba(28,122,70,0.16), transparent 65%),
    radial-gradient(420px 300px at 82% 82%, rgba(195,151,56,0.16), transparent 65%),
    linear-gradient(160deg, var(--sky-50), var(--white));
}
.motif-center {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 112px;
  height: 112px;
  margin: -56px 0 0 -56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--navy-900), var(--blue-600));
  color: var(--white);
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-lg);
  animation: motifFloatCenter 5s ease-in-out infinite;
}
.motif-chip {
  position: absolute;
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: var(--white);
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255,255,255,0.7);
  color: var(--blue-600);
  animation: motifFloat 4.2s ease-in-out infinite;
}
.motif-chip.gold { color: var(--gold-600); }
.motif-chip.c1 { top: 14%; left: 10%; animation-delay: 0.3s; }
.motif-chip.c2 { bottom: 14%; right: 10%; animation-delay: 0.9s; }
@keyframes motifFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
@keyframes motifFloatCenter {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
@media (prefers-reduced-motion: reduce) {
  .motif-center, .motif-chip { animation: none; }
}
@media (max-width: 560px) {
  .motif-center { width: 92px; height: 92px; margin: -46px 0 0 -46px; }
  .motif-chip { width: 46px; height: 46px; }
}

/* -------- Card grid (education model) -------- */
.model-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
@media (max-width: 800px) { .model-grid { grid-template-columns: 1fr; } }
.model-card {
  padding: 36px;
  background: var(--white);
  border-radius: var(--r-lg);
  border: 1px solid var(--gray-200);
  display: flex;
  gap: 22px;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s;
}
.model-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}
.model-card .ic {
  width: 56px; height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--navy-900), var(--blue-600));
  color: #fff;
  display: grid; place-items: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}
.model-card h3 { font-size: 1.2rem; margin-bottom: 8px; }
.model-card p { font-size: 0.95rem; }

/* -------- Library gallery -------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: 180px;
  gap: 16px;
}
.gallery-grid .g {
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--gray-100);
}
.gallery-grid .g img { width: 100%; height: 100%; object-fit: cover; }
.gallery-grid .g1 { grid-column: span 3; grid-row: span 2; }
.gallery-grid .g2 { grid-column: span 3; grid-row: span 1; }
.gallery-grid .g3 { grid-column: span 2; grid-row: span 1; }
.gallery-grid .g4 { grid-column: span 1; grid-row: span 1; }
.gallery-grid .g5 { grid-column: span 3; grid-row: span 1; }
.gallery-grid .g6 { grid-column: span 3; grid-row: span 1; }
@media (max-width: 900px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 160px; }
  .gallery-grid .g1, .gallery-grid .g2, .gallery-grid .g3,
  .gallery-grid .g4, .gallery-grid .g5, .gallery-grid .g6 {
    grid-column: span 1; grid-row: span 1;
  }
  .gallery-grid .g1 { grid-column: span 2; }
}

/* Feature strip (kütüphane özellikleri) */
.strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--r-lg);
  padding: 8px;
}
@media (max-width: 800px) { .strip { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .strip { grid-template-columns: 1fr; } }
.strip-item {
  padding: 22px 20px;
  border-radius: 14px;
  transition: background 0.25s;
}
.strip-item:hover { background: var(--sky-50); }
.strip-item i {
  font-size: 1.5rem;
  color: var(--blue-600);
  margin-bottom: 12px;
}
.strip-item h4 { font-size: 1rem; margin-bottom: 4px; }
.strip-item p { font-size: 0.88rem; color: var(--gray-500); }

/* -------- Contact -------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 48px;
  align-items: start;
}
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-info { display: flex; flex-direction: column; gap: 20px; }
.contact-item-card {
  padding: 24px;
  border-radius: var(--r-lg);
  border: 1px solid var(--gray-200);
  display: flex;
  gap: 18px;
  align-items: flex-start;
  transition: box-shadow 0.25s, transform 0.25s;
}
.contact-item-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.contact-item-card .ic {
  width: 52px; height: 52px; border-radius: 14px;
  background: linear-gradient(135deg, var(--blue-50), var(--blue-100));
  color: var(--navy-900);
  display: grid; place-items: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}
.contact-item-card h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--gray-500); font-weight: 700; margin-bottom: 6px; }
.contact-item-card p { color: var(--navy-900); font-weight: 600; margin: 0; font-size: 1.02rem; line-height: 1.4; }
.contact-item-card a { color: inherit; }

.contact-form {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--r-xl);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}
@media (max-width: 600px) { .contact-form { padding: 28px; } }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 8px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--gray-200);
  background: var(--white);
  border-radius: 12px;
  color: var(--gray-900);
  transition: border-color 0.2s, box-shadow 0.2s;
  font-size: 0.98rem;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--gray-400); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--blue-600);
  box-shadow: 0 0 0 4px rgba(28,122,70,0.14);
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-note { color: var(--gray-500); font-size: 0.85rem; margin-top: 12px; }

/* Form feedback boxes */
.form-alert {
  padding: 16px 18px;
  border-radius: 14px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.95rem;
  margin-bottom: 16px;
}
.form-alert i { font-size: 1.4rem; flex-shrink: 0; margin-top: 1px; }
.form-alert .t { font-weight: 700; margin-bottom: 4px; }
.form-alert .m { font-size: 0.9rem; opacity: 0.9; }
.form-alert.ok  { background: #ecfdf5; border: 1px solid #a7f3d0; color: #065f46; }
.form-alert.ok i { color: #059669; }
.form-alert.err { background: #fef2f2; border: 1px solid #fecaca; color: #991b1b; }
.form-alert.err i { color: #dc2626; }

.map-wrap {
  margin-top: 40px;
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--gray-200);
  aspect-ratio: 21/9;
  background: var(--gray-100);
}
.map-wrap iframe { width: 100%; height: 100%; border: 0; display: block; }
@media (max-width: 700px) { .map-wrap { aspect-ratio: 4/3; } }

/* -------- Values (Hakkımızda) -------- */
.values {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
@media (max-width: 900px) { .values { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .values { grid-template-columns: 1fr; } }
.value {
  padding: 26px 22px;
  border-radius: var(--r-lg);
  background: var(--white);
  border: 1px solid var(--gray-200);
  transition: border-color 0.25s, box-shadow 0.25s;
}
.value:hover { border-color: var(--blue-100); box-shadow: var(--shadow-md); }
.value i { font-size: 1.75rem; color: var(--blue-600); margin-bottom: 14px; display: block; }
.value h4 { font-size: 1.05rem; margin-bottom: 6px; }
.value p { font-size: 0.9rem; color: var(--gray-500); }

/* Mission cards */
.mv-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
@media (max-width: 800px) { .mv-grid { grid-template-columns: 1fr; } }
.mv {
  padding: 40px;
  border-radius: var(--r-xl);
  background: var(--white);
  border: 1px solid var(--gray-200);
}
.mv.dark { background: linear-gradient(160deg, var(--navy-900), var(--navy-800)); color: #fff; border-color: transparent; }
.mv.dark h3, .mv.dark h2 { color: #fff; }
.mv.dark p { color: rgba(255,255,255,0.75); }
.mv .ic {
  width: 60px; height: 60px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--blue-50), var(--blue-100));
  color: var(--navy-900);
  display: grid; place-items: center;
  font-size: 1.65rem;
  margin-bottom: 22px;
}
.mv.dark .ic { background: rgba(255,255,255,0.1); color: #fff; }
.mv h3 { margin-bottom: 12px; }

/* -------- Motion (reveal on scroll) -------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal.d1 { transition-delay: 0.06s; }
.reveal.d2 { transition-delay: 0.12s; }
.reveal.d3 { transition-delay: 0.18s; }
.reveal.d4 { transition-delay: 0.24s; }
.reveal.d5 { transition-delay: 0.30s; }
.reveal.d6 { transition-delay: 0.36s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

/* -------- Float chip (WhatsApp) -------- */
.wa-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 50;
  width: 56px;
  height: 56px;
  border-radius: 999px;
  background: #25D366;
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 12px 28px rgba(37,211,102,0.4);
  transition: transform 0.25s;
}
.wa-float:hover { transform: translateY(-3px) scale(1.06); }
.wa-float svg { width: 28px; height: 28px; display: block; }

/* -------- WhatsApp lead modal -------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(7, 29, 18, 0.55);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s, visibility 0.25s;
}
.modal-overlay.open { opacity: 1; visibility: visible; }
.modal-box {
  position: relative;
  width: 100%;
  max-width: 440px;
  background: var(--white);
  border-radius: var(--r-xl);
  padding: 36px;
  box-shadow: var(--shadow-xl);
  transform: translateY(16px);
  transition: transform 0.25s;
}
.modal-overlay.open .modal-box { transform: translateY(0); }
@media (max-width: 560px) { .modal-box { padding: 28px 22px; } }
.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 36px;
  height: 36px;
  border-radius: var(--r-pill);
  border: none;
  background: var(--gray-100);
  color: var(--gray-600);
  display: grid;
  place-items: center;
  cursor: pointer;
  font-size: 1.1rem;
  transition: background 0.2s;
}
.modal-close:hover { background: var(--gray-200); }
.modal-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--r-pill);
  background: #25D366;
  color: #fff;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
}
.modal-icon svg { width: 26px; height: 26px; display: block; }
.modal-box h3 { margin-bottom: 8px; }
.modal-desc { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 22px; line-height: 1.5; }
@media (prefers-reduced-motion: reduce) {
  .modal-overlay, .modal-box { transition: none; }
}

/* Accessibility focus */
:focus-visible {
  outline: 3px solid var(--blue-400);
  outline-offset: 3px;
  border-radius: 4px;
}
main:focus { outline: none; }