/* ==========================================================
   İbrahim Zengin Biyografi Sitesi — Stil Dosyası
   ========================================================== */

/* ---------- CSS Değişkenleri ---------- */
:root {
  --dark:        #0d1b2a;
  --navy:        #152744;
  --navy-mid:    #1e3a5f;
  --gold:        #c9943a;
  --gold-light:  #e8c06c;
  --gold-pale:   #f5e8ca;
  --cream:       #f5f0e8;
  --bg-light:    #f8f6f2;
  --white:       #ffffff;
  --gray-100:    #f1efe9;
  --gray-200:    #e0ddd6;
  --gray-500:    #6b7280;
  --gray-700:    #374151;
  --text:        #1a1a1a;
  --text-light:  #4b5563;

  --font-display: 'Playfair Display', serif;
  --font-body:    'Inter', sans-serif;

  --max-w:   1180px;
  --radius:  8px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 4px rgba(0,0,0,0.10);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.15);
  --transition: 0.3s ease;
}

/* ---------- 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);
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a  { color: var(--gold); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--gold-light); }
ul { list-style: none; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 13px 30px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
}

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

.btn-outline-light {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.6);
}
.btn-outline-light:hover {
  background: var(--white);
  color: var(--dark);
  border-color: var(--white);
}

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

/* ---------- Section Base ---------- */
.section { padding: 90px 0; }

.sec-header { text-align: center; margin-bottom: 60px; }
.sec-header-light { text-align: center; margin-bottom: 60px; }

.sec-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}
.sec-label-light { color: var(--gold-light); }

.sec-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  color: var(--dark);
  line-height: 1.25;
  margin-bottom: 20px;
}
.sec-header h2.light { color: var(--white); }

.divider {
  width: 60px;
  height: 3px;
  background: var(--gold);
  margin: 0 auto;
  border-radius: 2px;
}
.divider-gold { background: var(--gold); }

.sec-desc {
  max-width: 640px;
  margin: 20px auto 0;
  color: var(--text-light);
  font-size: 0.95rem;
}

/* ---------- Reveal Animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 18px 0;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}
.navbar.scrolled {
  background: rgba(13, 27, 42, 0.97);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
  padding: 12px 0;
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.nav-brand {
  display: flex;
  flex-direction: column;
  gap: 1px;
  color: var(--white);
  text-decoration: none;
}
.brand-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
}
.brand-sub {
  font-size: 0.68rem;
  color: var(--gold-light);
  letter-spacing: 0.08em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-links li a {
  color: rgba(255,255,255,0.85);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 6px;
  transition: all var(--transition);
}
.nav-links li a:hover {
  color: var(--gold-light);
  background: rgba(201,148,58,0.15);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  background: linear-gradient(135deg, #0d1b2a 0%, #152744 50%, #1e3a5f 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse at 20% 80%, rgba(201,148,58,0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(30,58,95,0.5) 0%, transparent 50%);
  pointer-events: none;
}

.hero-container {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 64px;
  max-width: var(--max-w);
  width: 100%;
  padding: 120px 24px 100px;
}

.hero-photo-wrap {
  flex-shrink: 0;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  border: 4px solid var(--gold);
  overflow: hidden;
  box-shadow: 0 0 0 8px rgba(201,148,58,0.2), 0 20px 60px rgba(0,0,0,0.4);
}
.hero-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.hero-text { flex: 1; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 16px;
}
.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--gold);
  border-radius: 50%;
  display: inline-block;
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 14px;
}

.hero-subtitle {
  font-size: 1rem;
  color: rgba(255,255,255,0.65);
  letter-spacing: 0.05em;
  margin-bottom: 28px;
}

.hero-quote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--gold-light);
  border-left: 3px solid var(--gold);
  padding-left: 18px;
  margin-bottom: 36px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-scroll-down {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.4);
  animation: bounce 2s infinite;
  transition: color var(--transition);
  z-index: 1;
}
.hero-scroll-down:hover { color: var(--gold-light); }

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(8px); }
}

/* ============================================================
   KİMDİR
   ============================================================ */
.sec-kimdir {
  background: var(--white);
}

.kimdir-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.lead-text {
  font-size: 1.08rem;
  font-weight: 500;
  color: var(--navy);
  line-height: 1.75;
  margin-bottom: 20px;
}
.kimdir-text p {
  color: var(--text-light);
  margin-bottom: 16px;
}

.pullquote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--navy-mid);
  border-left: 4px solid var(--gold);
  padding: 16px 20px;
  background: var(--gold-pale);
  border-radius: 0 var(--radius) var(--radius) 0;
  margin-top: 24px;
}
.pullquote cite {
  display: block;
  font-style: normal;
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--gray-500);
  margin-top: 8px;
}

.kimdir-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.stat-card {
  background: var(--bg-light);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 20px 16px;
  text-align: center;
  transition: all var(--transition);
}
.stat-card:hover {
  border-color: var(--gold);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}
.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.1;
  margin-bottom: 6px;
}
.stat-lbl {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gray-500);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.stat-gold {
  background: var(--gold);
  border-color: var(--gold);
}
.stat-gold .stat-num,
.stat-gold .stat-lbl { color: var(--white); }

/* ============================================================
   AHİLİK BANDI
   ============================================================ */
.ahi-band {
  background: linear-gradient(90deg, var(--navy) 0%, var(--navy-mid) 100%);
  padding: 40px 0;
  border-top: 3px solid var(--gold);
  border-bottom: 3px solid var(--gold);
}
.ahi-band-inner {
  display: flex;
  align-items: center;
  gap: 28px;
}
.ahi-icon-wrap { flex-shrink: 0; }
.ahi-band-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gold-light);
  margin-bottom: 8px;
}
.ahi-band-text {
  color: rgba(255,255,255,0.8);
  font-size: 0.92rem;
  line-height: 1.7;
  max-width: 780px;
}

/* ============================================================
   HAYATI / TİMELİNE
   ============================================================ */
.sec-hayati {
  background: var(--dark);
}
.sec-hayati .sec-header h2 { color: var(--white); }

.timeline {
  position: relative;
  padding: 20px 0;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, transparent, var(--gold) 10%, var(--gold) 90%, transparent);
  transform: translateX(-50%);
}

.tl-item {
  display: flex;
  gap: 40px;
  margin-bottom: 56px;
  align-items: flex-start;
}
.tl-left  { flex-direction: row; }
.tl-right { flex-direction: row-reverse; }

.tl-marker {
  position: relative;
  flex-shrink: 0;
  width: 50%;
  display: flex;
  justify-content: flex-end;
  padding-right: 40px;
}
.tl-right .tl-marker {
  justify-content: flex-start;
  padding-right: 0;
  padding-left: 40px;
}

.tl-year {
  display: inline-block;
  background: var(--navy-mid);
  color: var(--gold-light);
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 20px;
  border: 2px solid var(--gold);
  white-space: nowrap;
  position: relative;
}
.tl-year::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 28px;
  height: 2px;
  background: var(--gold);
  right: -30px;
  transform: translateY(-50%);
}
.tl-right .tl-marker .tl-year::after {
  right: auto;
  left: -30px;
}

.tl-marker-gold .tl-year { background: var(--gold); color: var(--dark); }
.tl-year-gold             { background: var(--gold); color: var(--dark); }

.tl-card {
  flex: 1;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  backdrop-filter: blur(4px);
  transition: all var(--transition);
}
.tl-card:hover {
  background: rgba(255,255,255,0.10);
  border-color: rgba(201,148,58,0.4);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

.tl-left  .tl-card { margin-left: 0; margin-right: 0; }
.tl-right .tl-card { margin-right: 0; }

.tl-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}
.tl-card p {
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 12px;
}
.tl-card p:last-child { margin-bottom: 0; }
.tl-card strong { color: var(--gold-light); }
.tl-card em { color: rgba(255,255,255,0.9); font-style: italic; }

.tl-card-accent {
  border-color: rgba(201,148,58,0.3);
  background: rgba(201,148,58,0.08);
}
.tl-card-gold {
  border-color: var(--gold);
  background: rgba(201,148,58,0.12);
}

.tl-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold-light);
  background: rgba(201,148,58,0.15);
  border: 1px solid rgba(201,148,58,0.3);
  padding: 3px 10px;
  border-radius: 20px;
  margin-top: 4px;
}
.tl-tag-gold {
  color: var(--dark);
  background: var(--gold);
  border-color: var(--gold);
}

/* ============================================================
   KARİYER
   ============================================================ */
.sec-kariyer {
  background: var(--bg-light);
}

.kariyer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.kcard {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.kcard:hover {
  border-color: var(--gold);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.kcard-icon {
  font-size: 2rem;
  line-height: 1;
}
.kcard h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.3;
}
.kcard p {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.7;
}
.kcard-featured {
  border-color: var(--gold);
  background: linear-gradient(135deg, #fffdf8 0%, var(--gold-pale) 100%);
}
.kcard-list {
  list-style: none;
  font-size: 0.82rem;
  color: var(--navy-mid);
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.kcard-list li::before {
  content: '→ ';
  color: var(--gold);
  font-weight: 700;
}

/* ============================================================
   BAŞARILAR
   ============================================================ */
.sec-basarilar {
  background: var(--white);
}

.feat-block {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 56px;
  align-items: center;
  margin-bottom: 72px;
  padding: 40px;
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
}
.feat-block-reverse { grid-template-columns: 1.4fr 1fr; }
.feat-block-reverse .feat-img { order: 2; }
.feat-block-reverse .feat-content { order: 1; }

.feat-img {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.feat-img img {
  width: 100%;
  height: auto;
  display: block;
}
.feat-img-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  color: var(--white);
  font-size: 0.75rem;
  padding: 16px 12px 10px;
  text-align: center;
}

.feat-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--navy-mid);
  background: var(--gold-pale);
  border: 1px solid var(--gold);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 16px;
}
.feat-badge-gold {
  background: var(--gold);
  color: var(--white);
  border-color: var(--gold);
}

.feat-content h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.25;
  margin-bottom: 16px;
}
.feat-content h3 em { font-style: italic; color: var(--navy-mid); }
.feat-content p {
  font-size: 0.92rem;
  color: var(--text-light);
  line-height: 1.75;
  margin-bottom: 14px;
}

.feat-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-bottom: 16px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 16px 20px;
  border: 1px solid var(--gray-200);
}
.feat-list li {
  font-size: 0.88rem;
  color: var(--text-light);
  padding-left: 18px;
  position: relative;
}
.feat-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 700;
}

.feat-note {
  font-style: italic;
  font-size: 0.83rem;
  color: var(--gray-500);
  border-left: 3px solid var(--gold-pale);
  padding-left: 12px;
  margin-bottom: 20px;
}

.protocol-list {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin: 14px 0;
}
.protocol-list h4 {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 10px;
}
.protocol-list ul { display: flex; flex-direction: column; gap: 5px; }
.protocol-list ul li {
  font-size: 0.88rem;
  color: var(--text-light);
  padding-left: 16px;
  position: relative;
}
.protocol-list ul li::before {
  content: '·';
  position: absolute;
  left: 4px;
  color: var(--gold);
  font-weight: 900;
}

.small-quote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.92rem;
  color: var(--navy-mid);
  border-left: 3px solid var(--gold);
  padding: 12px 16px;
  background: var(--gold-pale);
  border-radius: 0 var(--radius) var(--radius) 0;
  margin-top: 14px;
}
.small-quote cite {
  display: block;
  font-style: normal;
  font-size: 0.78rem;
  color: var(--gray-500);
  margin-top: 6px;
}

/* Diğer başarılar kartları */
.achieve-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.achieve-card {
  background: var(--bg-light);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  text-align: center;
  transition: all var(--transition);
}
.achieve-card:hover {
  border-color: var(--gold);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.achieve-icon { font-size: 2rem; margin-bottom: 12px; }
.achieve-card h4 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
  line-height: 1.3;
}
.achieve-card p {
  font-size: 0.83rem;
  color: var(--text-light);
  line-height: 1.65;
}

/* ============================================================
   GALERİ
   ============================================================ */
.sec-galeri {
  background: var(--dark);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 20px;
}
.gal-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4 / 3;
  background: var(--navy);
}
.gal-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.5s ease;
}
.gal-item:hover img { transform: scale(1.06); }

.gal-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent 40%, rgba(13,27,42,0.85) 100%);
  opacity: 0;
  transition: opacity var(--transition);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 20px;
}
.gal-item:hover .gal-overlay { opacity: 1; }

.gal-caption {
  color: var(--white);
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.3;
  max-width: 80%;
}
.gal-zoom {
  font-size: 1.2rem;
  color: var(--gold-light);
}

.gallery-note {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
  text-align: center;
  font-style: italic;
}

/* ============================================================
   KAYNAKÇA
   ============================================================ */
.sec-kaynakca {
  background: var(--cream);
}

.sources-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 40px;
  margin-bottom: 36px;
}

.source-group { margin-bottom: 30px; }
.source-group-title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--gold);
  display: inline-block;
}

.source-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  list-style: decimal;
  padding-left: 20px;
}
.source-list li {
  font-size: 0.87rem;
  color: var(--text-light);
  line-height: 1.6;
}
.source-list li strong { color: var(--navy); }
.source-list a {
  color: var(--navy-mid);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.source-list a:hover { color: var(--gold); }

.disclaimer-box {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-left: 4px solid var(--gold);
  border-radius: var(--radius);
  padding: 20px 24px;
}
.disclaimer-box h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}
.disclaimer-box p {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.65;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--dark);
  padding: 60px 0 0;
  border-top: 3px solid var(--gold);
}

.footer-layout {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}
.footer-brand p {
  color: rgba(255,255,255,0.6);
  font-size: 0.87rem;
  line-height: 1.6;
}
.footer-origin {
  color: var(--gold-light) !important;
  font-size: 0.8rem !important;
  margin-top: 6px;
}

.footer-links h4,
.footer-ext h4 {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}
.footer-links ul,
.footer-ext ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-links a,
.footer-ext a {
  color: rgba(255,255,255,0.65);
  font-size: 0.87rem;
  transition: color var(--transition);
}
.footer-links a:hover,
.footer-ext a:hover { color: var(--gold-light); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.35);
}

/* ============================================================
   LİGHTBOX
   ============================================================ */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.lightbox.open { display: flex; }

.lb-close {
  position: absolute;
  top: 20px;
  right: 24px;
  background: none;
  border: 2px solid rgba(255,255,255,0.4);
  color: var(--white);
  font-size: 1.1rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.lb-close:hover {
  background: var(--gold);
  border-color: var(--gold);
}

.lb-inner {
  max-width: 860px;
  width: 100%;
  text-align: center;
}
#lbImg {
  max-height: 80vh;
  width: auto;
  max-width: 100%;
  border-radius: var(--radius);
  box-shadow: 0 20px 80px rgba(0,0,0,0.5);
  margin: 0 auto;
}
#lbCaption {
  color: rgba(255,255,255,0.7);
  font-size: 0.82rem;
  margin-top: 14px;
  font-style: italic;
}

/* ============================================================
   RESPONSIVE — Tablet (≤ 900px)
   ============================================================ */
@media (max-width: 900px) {
  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: 260px;
    height: 100vh;
    background: var(--dark);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 4px;
    padding: 80px 24px 40px;
    transition: right 0.35s ease;
    box-shadow: -4px 0 24px rgba(0,0,0,0.4);
  }
  .nav-links.open { right: 0; }
  .nav-links li a {
    font-size: 1rem;
    padding: 10px 14px;
    width: 100%;
  }
  .nav-toggle { display: flex; }

  .hero-container {
    flex-direction: column;
    text-align: center;
    padding: 100px 24px 80px;
    gap: 36px;
  }
  .hero-photo-wrap { width: 200px; height: 200px; }
  .hero-quote { text-align: left; }
  .hero-actions { justify-content: center; }

  .kimdir-layout { grid-template-columns: 1fr; gap: 36px; }
  .kimdir-stats { grid-template-columns: repeat(3, 1fr); }

  .timeline::before { left: 7px; }
  .tl-item,
  .tl-left,
  .tl-right {
    flex-direction: column;
    gap: 14px;
    padding-left: 34px;
    position: relative;
  }
  .tl-marker {
    position: static;
    width: auto;
    padding: 0;
    justify-content: flex-start;
  }
  .tl-right .tl-marker { padding-left: 0; }
  .tl-year::after,
  .tl-right .tl-marker .tl-year::after { display: none; }
  /* Yılı çizgiye bağlayan nokta */
  .tl-year::before {
    content: '';
    position: absolute;
    left: -34px;
    top: 50%;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--gold);
    transform: translate(2px, -50%);
  }

  .kariyer-grid { grid-template-columns: repeat(2, 1fr); }

  .feat-block,
  .feat-block-reverse {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .feat-block-reverse .feat-img,
  .feat-block-reverse .feat-content { order: unset; }

  .achieve-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }

  .sources-layout { grid-template-columns: 1fr; }
  .footer-layout { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }

  .ahi-band-inner { flex-direction: column; text-align: center; gap: 16px; }
}

/* ============================================================
   RESPONSIVE — Mobile (≤ 600px)
   ============================================================ */
@media (max-width: 600px) {
  .section { padding: 64px 0; }

  .hero-name { font-size: 2.2rem; }
  .hero-photo-wrap { width: 160px; height: 160px; }

  .kimdir-stats { grid-template-columns: repeat(2, 1fr); }

  .kariyer-grid { grid-template-columns: 1fr; }
  .achieve-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: 1fr; }

  .feat-block { padding: 24px 20px; }

  .footer-layout { grid-template-columns: 1fr; }
}