/* ===========================================
   YÖN ALACAK YÖNETİM — Modern Static Site
   =========================================== */

:root {
  --navy: #0d1b2a;
  --navy-2: #1b263b;
  --gold: #c9a961;
  --gold-dark: #a8893e;
  --bg: #ffffff;
  --bg-alt: #f7f7f5;
  --text: #1a1a1a;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --radius: 8px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 10px 30px rgba(0,0,0,.08), 0 4px 12px rgba(0,0,0,.04);
  --shadow-lg: 0 20px 60px rgba(0,0,0,.12);
  --container: 1200px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--gold-dark); text-decoration: none; transition: color .2s; }
a:hover { color: var(--gold); }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container.narrow { max-width: 820px; }

h1, h2, h3, h4 {
  font-family: 'Segoe UI', -apple-system, sans-serif;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--navy);
}

h1 { font-size: clamp(2.2rem, 4.5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); margin-bottom: .8rem; }
h3 { font-size: 1.2rem; margin: 1.5rem 0 .5rem; }
h4 { font-size: 1rem; margin-bottom: 1rem; }

p { margin-bottom: 1rem; }

.kicker {
  display: inline-block;
  font-size: .82rem;
  letter-spacing: .18em;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.kicker.gold { color: var(--gold-dark); }

.muted { color: var(--text-muted); }
.small { font-size: .9rem; }
.center { text-align: center; }

/* ============ HEADER ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  gap: 1rem;
}

.brand img {
  height: 50px;
  width: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.8rem;
}

.main-nav a {
  color: var(--navy);
  font-weight: 500;
  font-size: .95rem;
  position: relative;
  padding: .5rem 0;
}
.main-nav a:hover,
.main-nav a.active {
  color: var(--gold-dark);
}
.main-nav a.active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 2px;
  background: var(--gold);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: .5rem;
}
.menu-toggle span {
  width: 26px; height: 2px;
  background: var(--navy);
  transition: all .25s;
}

/* ============ BUTTONS ============ */
.btn-primary, .btn-ghost, .btn-outline {
  display: inline-block;
  padding: .85rem 1.8rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: .02em;
  text-align: center;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all .25s ease;
}
.btn-primary {
  background: var(--gold);
  color: #fff;
  border-color: var(--gold);
}
.btn-primary:hover {
  background: var(--gold-dark);
  border-color: var(--gold-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201,169,97,.35);
}
.btn-ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.6);
}
.btn-ghost:hover {
  background: #fff;
  color: var(--navy);
  border-color: #fff;
}
.btn-outline {
  padding: .55rem 1.2rem;
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
  font-size: .85rem;
}
.btn-outline:hover {
  background: var(--navy);
  color: #fff;
}

.link-arrow {
  display: inline-block;
  font-weight: 600;
  color: var(--gold-dark);
  margin-top: .5rem;
}
.link-arrow:hover { color: var(--navy); }

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  background:
    linear-gradient(135deg, rgba(13,27,42,.85) 0%, rgba(27,38,59,.75) 100%),
    radial-gradient(ellipse at top, #1b263b 0%, #0d1b2a 100%);
  color: #fff;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(201,169,97,.15), transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(201,169,97,.1), transparent 50%);
}
.hero-content {
  position: relative;
  text-align: center;
  padding: 6rem 1.5rem;
}
.hero-content h1 {
  color: #fff;
  margin-bottom: 1.2rem;
}
.hero .kicker { color: var(--gold); }
.hero .lead {
  font-size: 1.15rem;
  color: rgba(255,255,255,.85);
  max-width: 640px;
  margin: 0 auto 2.5rem;
}
.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Page hero (sub-pages) */
.page-hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);
  color: #fff;
  padding: 4rem 0 3.5rem;
  text-align: center;
}
.page-hero h1 { color: #fff; margin-bottom: 1rem; }
.page-hero .lead {
  color: rgba(255,255,255,.85);
  max-width: 640px;
  margin: 0 auto;
  font-size: 1.1rem;
}

.lead { font-size: 1.1rem; }

/* ============ SECTIONS ============ */
.section { padding: 5rem 0; }
.section-alt { background: var(--bg-alt); }

.section-head {
  margin-bottom: 3rem;
}
.section-head.center {
  text-align: center;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: center;
}

/* ============ STATS ============ */
.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.stat {
  background: var(--bg-alt);
  border-left: 3px solid var(--gold);
  padding: 1.5rem;
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: .25rem;
}
.stat .num {
  font-size: 2rem;
  font-weight: 700;
  color: var(--navy);
}
.stat .label {
  font-size: .85rem;
  color: var(--text-muted);
  letter-spacing: .05em;
}

/* ============ CARDS ============ */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.card {
  background: #fff;
  padding: 2rem 1.8rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: all .3s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--gold);
}
.card-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}
.card h3 {
  margin: 0 0 .6rem;
  font-size: 1.1rem;
}
.card p {
  color: var(--text-muted);
  font-size: .95rem;
  margin: 0;
}

/* ============ CTA BAND ============ */
.cta-band {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);
  color: #fff;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,.85); margin: 0; max-width: 640px; }
.cta-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

/* ============ QUOTE ============ */
.quote {
  background: var(--bg-alt);
  border-left: 4px solid var(--gold);
  padding: 2rem;
  margin: 2.5rem 0;
  border-radius: var(--radius);
}
.quote p {
  font-size: 1.2rem;
  font-style: italic;
  color: var(--navy);
  margin: 0 0 .5rem;
}
.quote cite {
  color: var(--text-muted);
  font-size: .9rem;
}

/* ============ CONTACT ============ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.contact-info h3 {
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--gold-dark);
  margin: 1.5rem 0 .3rem;
}
.contact-info h3:first-child { margin-top: 0; }

.contact-form {
  background: var(--bg-alt);
  padding: 2.5rem;
  border-radius: var(--radius);
}
.contact-form h3 {
  margin-top: 0;
  margin-bottom: 1.5rem;
  color: var(--navy);
}
.contact-form label {
  display: block;
  margin-bottom: 1.2rem;
}
.contact-form span {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  margin-bottom: .35rem;
  color: var(--navy);
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: .75rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 1rem;
  background: #fff;
  transition: border .2s;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,169,97,.15);
}
.contact-form button {
  width: 100%;
  border: 0;
}

.map-wrap {
  margin-top: 2rem;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.map-wrap iframe {
  width: 100%;
  height: 380px;
  border: 0;
  display: block;
}

/* ============ FOOTER ============ */
.site-footer {
  background: var(--navy);
  color: rgba(255,255,255,.75);
  padding: 4rem 0 1.5rem;
  margin-top: 0;
}
.site-footer h4 {
  color: #fff;
  font-size: .85rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.footer-logo {
  height: 50px;
  filter: brightness(0) invert(1);
  margin-bottom: 1rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}
.footer-links {
  list-style: none;
}
.footer-links li { margin-bottom: .5rem; }
.footer-links a {
  color: rgba(255,255,255,.75);
  font-size: .92rem;
}
.footer-links a:hover { color: var(--gold); }

.site-footer .muted { color: rgba(255,255,255,.6); }
.site-footer a { color: rgba(255,255,255,.85); }
.site-footer a:hover { color: var(--gold); }

.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,.1);
  text-align: center;
  font-size: .85rem;
  color: rgba(255,255,255,.55);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
  .grid-2 { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .cta-content { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 720px) {
  .menu-toggle { display: flex; }
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem 1.5rem;
    gap: .5rem;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: all .25s;
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .main-nav a {
    padding: .8rem .5rem;
    border-bottom: 1px solid var(--border);
  }
  .main-nav a:last-child { border-bottom: 0; }
  .main-nav .btn-outline { text-align: center; margin-top: .5rem; }

  .hero { min-height: 70vh; }
  .hero-content { padding: 4rem 1.5rem; }
  .section { padding: 3.5rem 0; }
  .stats { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-logo { height: 40px; }
  .brand img { height: 40px; }
}