/*
Theme Name: Kenan Çetinkaya Portfolio
Theme URI: https://kenancetinkaya.com
Author: Kenan Çetinkaya
Description: Profesyonel CV & Portföy Teması – Operasyon & Güvenlik Uzmanı
Version: 2.0.0
License: Private
Text Domain: kenan-portfolio
*/

/* ============================================
   RENK PALETİ — Antrasit + Amber Altın
   Güçlü, prestijli, güvenilir
   ============================================ */
:root {
  /* Arka Planlar */
  --bg-0:      #060a0f;
  --bg-1:      #0a1018;
  --bg-2:      #0f1922;
  --bg-card:   #121e2b;
  --bg-hover:  #172435;

  /* Altın Accent */
  --gold:      #f59e0b;
  --gold-light:#fbbf24;
  --gold-dim:  rgba(245,158,11,0.12);
  --gold-glow: rgba(245,158,11,0.06);
  --gold-line: rgba(245,158,11,0.25);

  /* Border */
  --border:    rgba(245,158,11,0.1);
  --border-md: rgba(245,158,11,0.22);
  --border-hi: rgba(245,158,11,0.4);

  /* Metin */
  --txt-1:     #f0f4f8;
  --txt-2:     #8a9bb5;
  --txt-3:     #4a5870;

  /* Durum Renkleri */
  --green:     #22c55e;
  --green-dim: rgba(34,197,94,0.12);
  --blue:      #3b82f6;
  --blue-dim:  rgba(59,130,246,0.12);
  --red:       #ef4444;

  /* Font */
  --f-display: 'Bebas Neue', 'Impact', sans-serif;
  --f-heading: 'Rajdhani', 'Arial Narrow', sans-serif;
  --f-body:    'DM Sans', system-ui, sans-serif;
  --f-mono:    'JetBrains Mono', monospace;

  /* Misc */
  --r:         6px;
  --r-lg:      12px;
  --r-xl:      20px;
  --shadow:    0 4px 32px rgba(0,0,0,.5), 0 0 0 1px var(--border);
  --glow:      0 0 60px rgba(245,158,11,.08);
  --tr:        all .28s cubic-bezier(.4,0,.2,1);
}

/* ============================================
   RESET
   ============================================ */
*, *::before, *::after { box-sizing:border-box; margin:0; padding:0; }
html { scroll-behavior:smooth; font-size:16px; }
body {
  background: var(--bg-0);
  color: var(--txt-1);
  font-family: var(--f-body);
  line-height: 1.6;
  overflow-x: hidden;
}
body::before {
  content:'';
  position:fixed; inset:0;
  background:
    radial-gradient(ellipse 90% 60% at 75% -5%, rgba(180,120,0,.06) 0%, transparent 55%),
    radial-gradient(ellipse 60% 50% at -5% 90%, rgba(120,80,0,.04) 0%, transparent 50%);
  pointer-events:none; z-index:0;
}
a { color:var(--gold); text-decoration:none; transition:var(--tr); }
a:hover { color:var(--gold-light); }
img { max-width:100%; height:auto; display:block; }
ul { list-style:none; }

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1,h2,h3,h4 { font-family:var(--f-heading); font-weight:700; line-height:1.2; color:var(--txt-1); }

/* ============================================
   LAYOUT
   ============================================ */
.container { max-width:1200px; margin:0 auto; padding:0 24px; position:relative; z-index:1; }

/* ============================================
   NAVIGATION
   ============================================ */
.site-header {
  position:fixed; top:0; left:0; right:0; z-index:1000;
  transition:var(--tr);
}
.site-header.scrolled {
  background: rgba(6,10,15,.96);
  backdrop-filter:blur(24px);
  border-bottom:1px solid var(--border-md);
  box-shadow:0 4px 40px rgba(0,0,0,.6);
}
.nav-inner {
  display:flex; align-items:center; justify-content:space-between;
  height:70px; max-width:1200px; margin:0 auto; padding:0 24px;
}
.nav-logo { display:flex; flex-direction:column; gap:1px; }
.nav-logo .logo-name {
  font-family:var(--f-heading); font-size:1.05rem; font-weight:700;
  color:var(--txt-1); letter-spacing:.1em; text-transform:uppercase;
}
.nav-logo .logo-title {
  font-size:.65rem; color:var(--gold); letter-spacing:.18em;
  text-transform:uppercase; font-weight:600;
}
.nav-menu { display:flex; align-items:center; gap:4px; }
.nav-menu a {
  font-family:var(--f-heading); font-size:.82rem; font-weight:600;
  letter-spacing:.1em; text-transform:uppercase;
  color:var(--txt-2); padding:8px 14px; border-radius:var(--r);
  transition:var(--tr); position:relative;
}
.nav-menu a:hover, .nav-menu a.active { color:var(--txt-1); background:var(--gold-dim); }
.nav-menu a.active::after {
  content:''; position:absolute; bottom:5px; left:50%; transform:translateX(-50%);
  width:14px; height:2px; background:var(--gold); border-radius:1px;
}
.nav-cta { margin-left:12px; }
.hamburger { display:none; flex-direction:column; gap:5px; cursor:pointer; padding:8px; }
.hamburger span { display:block; width:22px; height:2px; background:var(--txt-1); border-radius:1px; transition:var(--tr); }

/* ── BUTTONS ── */
.btn {
  display:inline-flex; align-items:center; gap:8px;
  padding:10px 22px; border-radius:var(--r);
  font-family:var(--f-heading); font-size:.8rem; font-weight:700;
  letter-spacing:.1em; text-transform:uppercase;
  cursor:pointer; border:none; transition:var(--tr);
}
.btn--gold {
  background:var(--gold); color:#000;
}
.btn--gold:hover { background:var(--gold-light); color:#000; transform:translateY(-2px); box-shadow:0 8px 24px rgba(245,158,11,.35); }
.btn--outline {
  background:transparent; color:var(--gold); border:1.5px solid var(--border-hi);
}
.btn--outline:hover { background:var(--gold-dim); color:var(--gold); border-color:var(--gold); }
.btn--ghost { background:rgba(255,255,255,.06); color:var(--txt-1); border:1px solid var(--border); }
.btn--ghost:hover { background:rgba(255,255,255,.1); }

/* ============================================
   SECTION BASE
   ============================================ */
section { padding:100px 0; position:relative; z-index:1; }

.sec-eyebrow {
  display:inline-flex; align-items:center; gap:10px;
  font-size:.68rem; font-weight:700; letter-spacing:.22em; text-transform:uppercase;
  color:var(--gold); margin-bottom:14px;
}
.sec-eyebrow::before { content:''; width:28px; height:1px; background:var(--gold); }

.sec-title {
  font-family:var(--f-display); font-size:clamp(2.2rem,4vw,3.4rem);
  letter-spacing:.04em; line-height:1; color:var(--txt-1);
}

.sec-header {
  display:flex; align-items:flex-end; justify-content:space-between;
  margin-bottom:56px; padding-bottom:24px; border-bottom:1px solid var(--border);
}
.sec-num {
  font-family:var(--f-display); font-size:5rem; color:var(--border);
  letter-spacing:.02em; line-height:1; user-select:none;
}

/* ============================================
   HERO
   ============================================ */
.hero {
  min-height:100vh; display:flex; align-items:center;
  padding:100px 0 60px; position:relative; overflow:hidden;
}
.hero::after {
  content:'';
  position:absolute; bottom:0; left:0; right:0; height:120px;
  background:linear-gradient(to top, var(--bg-0), transparent);
  pointer-events:none;
}
.hero-grid {
  display:grid; grid-template-columns:1fr 420px;
  gap:80px; align-items:center;
}
/* Sol içerik */
.hero-eyebrow {
  display:inline-flex; align-items:center; gap:10px;
  font-size:.7rem; font-weight:700; letter-spacing:.22em; text-transform:uppercase;
  color:var(--gold); margin-bottom:22px;
}
.hero-eyebrow::before { content:''; width:32px; height:1px; background:var(--gold); }

.hero-name {
  font-family:var(--f-display);
  font-size:clamp(3.5rem,7vw,6rem);
  letter-spacing:.04em; line-height:.9;
  margin-bottom:6px;
}
.hero-name em { color:var(--gold); font-style:normal; }

.hero-divider {
  width:60px; height:3px;
  background:linear-gradient(90deg,var(--gold),transparent);
  margin:20px 0;
  border-radius:2px;
}

.hero-role {
  font-family:var(--f-heading); font-size:1.15rem; font-weight:600;
  color:var(--txt-2); letter-spacing:.12em; text-transform:uppercase;
  margin-bottom:28px;
}

.hero-desc {
  font-size:1.0rem; color:var(--txt-2); line-height:1.8;
  max-width:500px; margin-bottom:36px;
}

.hero-stats {
  display:flex; gap:36px; margin-bottom:36px;
  padding:20px 0; border-top:1px solid var(--border); border-bottom:1px solid var(--border);
}
.hstat .num {
  font-family:var(--f-display); font-size:2.8rem; color:var(--gold);
  line-height:1; letter-spacing:.02em; display:block;
}
.hstat .lbl {
  font-size:.68rem; color:var(--txt-3); letter-spacing:.14em;
  text-transform:uppercase; display:block; margin-top:2px;
}

.hero-actions { display:flex; gap:12px; flex-wrap:wrap; margin-bottom:28px; }

.hero-tags { display:flex; flex-wrap:wrap; gap:7px; }
.htag {
  font-size:.68rem; font-weight:600; letter-spacing:.1em; text-transform:uppercase;
  color:var(--txt-3); background:var(--bg-card); border:1px solid var(--border);
  border-radius:4px; padding:4px 11px; transition:var(--tr);
}
.htag:hover { border-color:var(--gold); color:var(--gold); background:var(--gold-dim); }

/* Sağ: Fotoğraf */
.hero-photo-wrap { position:relative; }
.hero-photo-corner {
  position:absolute; top:-14px; right:-14px; width:70px; height:70px;
  border-top:2px solid var(--gold); border-right:2px solid var(--gold);
  border-radius:0 var(--r) 0 0; opacity:.5; z-index:3;
}
.hero-photo-corner-bl {
  position:absolute; bottom:-14px; left:-14px; width:70px; height:70px;
  border-bottom:2px solid var(--gold); border-left:2px solid var(--gold);
  border-radius:0 0 0 var(--r); opacity:.3; z-index:3;
}
.hero-photo-frame {
  position:relative; border-radius:var(--r-lg); overflow:hidden;
  border:1px solid var(--border-md);
  box-shadow:0 20px 80px rgba(0,0,0,.5);
}
.hero-photo-frame img {
  width:100%; height:540px; object-fit:cover; object-position:center top;
  display:block; filter:contrast(1.05);
}
.hero-photo-frame .photo-placeholder {
  width:100%; height:540px;
  background:linear-gradient(160deg, var(--bg-2) 0%, var(--bg-card) 60%, var(--bg-hover) 100%);
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:14px;
}
.hero-photo-frame .photo-placeholder .icon { font-size:4rem; opacity:.3; }
.hero-photo-frame .photo-placeholder .hint {
  font-size:.72rem; color:var(--txt-3); letter-spacing:.12em; text-transform:uppercase; text-align:center;
}
.hero-photo-overlay {
  position:absolute; bottom:0; left:0; right:0; height:45%;
  background:linear-gradient(to top, var(--bg-0), transparent);
  pointer-events:none; z-index:1;
}
.hero-badge {
  position:absolute; bottom:22px; left:22px; z-index:2;
  background:rgba(6,10,15,.9); backdrop-filter:blur(16px);
  border:1px solid var(--border-md); border-radius:var(--r);
  padding:11px 16px; display:flex; align-items:center; gap:10px;
}
.hero-badge .pulse {
  width:8px; height:8px; border-radius:50%; background:var(--green);
  box-shadow:0 0 10px var(--green);
  animation:pulse 2s ease-in-out infinite;
}
.hero-badge span { font-size:.75rem; font-weight:600; color:var(--txt-1); }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(.8)} }

/* ============================================
   UZMANLLIK KUTULARI (Ana Sayfa)
   ============================================ */
.expertise-grid {
  display:grid; grid-template-columns:repeat(3,1fr); gap:20px;
}
.exp-card {
  background:var(--bg-card); border:1px solid var(--border); border-radius:var(--r-lg);
  padding:28px; position:relative; overflow:hidden; transition:var(--tr); cursor:default;
}
.exp-card::before {
  content:''; position:absolute; top:0; left:0; right:0; height:2px;
  background:linear-gradient(90deg,var(--gold),transparent);
  opacity:0; transition:var(--tr);
}
.exp-card:hover { border-color:var(--border-hi); background:var(--bg-hover); transform:translateY(-4px); box-shadow:var(--glow); }
.exp-card:hover::before { opacity:1; }
.exp-icon {
  width:48px; height:48px; border-radius:var(--r); margin-bottom:18px;
  background:var(--gold-dim); border:1px solid var(--gold-line);
  display:flex; align-items:center; justify-content:center; font-size:1.3rem;
}
.exp-card h3 { font-size:1.0rem; letter-spacing:.04em; margin-bottom:10px; }
.exp-card p  { font-size:.86rem; color:var(--txt-2); line-height:1.7; }
.exp-tags    { display:flex; flex-wrap:wrap; gap:5px; margin-top:14px; }
.exp-tag {
  font-size:.62rem; font-weight:700; letter-spacing:.1em; text-transform:uppercase;
  color:var(--gold); background:var(--gold-glow); border:1px solid var(--gold-line);
  border-radius:3px; padding:3px 8px;
}

/* ============================================
   PROJECTS PAGE
   ============================================ */
.proje-kanat-tabs {
  display:flex; flex-wrap:wrap; gap:8px; margin-bottom:48px;
}
.kanat-tab {
  display:flex; align-items:center; gap:8px;
  padding:10px 20px; border-radius:var(--r); cursor:pointer;
  font-family:var(--f-heading); font-size:.85rem; font-weight:700;
  letter-spacing:.1em; text-transform:uppercase;
  background:var(--bg-card); border:1px solid var(--border);
  color:var(--txt-2); transition:var(--tr);
}
.kanat-tab.active, .kanat-tab:hover {
  background:var(--gold-dim); border-color:var(--gold); color:var(--gold);
}
.kanat-tab .count {
  background:var(--gold); color:#000; font-size:.65rem; font-weight:800;
  border-radius:10px; padding:1px 7px; margin-left:2px;
}

/* Kanat başlık */
.kanat-section { margin-bottom:64px; }
.kanat-header {
  display:flex; align-items:center; gap:16px;
  margin-bottom:28px; padding-bottom:16px;
  border-bottom:2px solid var(--border);
}
.kanat-header::before { content:''; width:4px; height:28px; background:var(--gold); border-radius:2px; }
.kanat-label {
  font-family:var(--f-heading); font-size:1.25rem; font-weight:700;
  letter-spacing:.08em; text-transform:uppercase; color:var(--txt-1);
}
.kanat-desc { font-size:.84rem; color:var(--txt-2); margin-left:auto; }

/* Proje kart */
.proje-karti {
  background:var(--bg-card); border:1px solid var(--border); border-radius:var(--r-lg);
  overflow:hidden; transition:var(--tr); display:flex; flex-direction:column;
  position:relative;
}
.proje-karti:hover { border-color:var(--border-hi); transform:translateY(-5px); box-shadow:var(--glow); }
.proje-karti.featured { border-color:var(--gold-line); }
.proje-karti.featured::before {
  content:'⭐ Öne Çıkan'; position:absolute; top:0; right:0;
  background:var(--gold); color:#000; font-size:.62rem; font-weight:800;
  letter-spacing:.1em; text-transform:uppercase; padding:4px 12px;
  border-radius:0 0 0 var(--r);
}

.pk-thumb {
  height:210px; background:var(--bg-2); position:relative;
  overflow:hidden; display:flex; align-items:center; justify-content:center;
}
.pk-thumb img { width:100%; height:100%; object-fit:cover; transition:transform .5s ease; }
.proje-karti:hover .pk-thumb img { transform:scale(1.06); }
.pk-thumb-icon { font-size:3.5rem; opacity:.2; }
.pk-overlay { position:absolute; inset:0; background:linear-gradient(to bottom,transparent 40%,rgba(10,16,24,.85)); }
.pk-cat {
  position:absolute; top:14px; left:14px;
  font-size:.62rem; font-weight:800; letter-spacing:.14em; text-transform:uppercase;
  color:var(--gold); background:rgba(10,16,24,.85); backdrop-filter:blur(8px);
  border:1px solid var(--gold-line); border-radius:4px; padding:4px 10px;
}
.pk-status {
  position:absolute; top:14px; right:14px;
  font-size:.62rem; font-weight:700; padding:4px 10px; border-radius:4px;
}
.pk-status.aktif    { background:#d1fae5; color:#065f46; }
.pk-status.tamam    { background:#dbeafe; color:#1e40af; }
.pk-status.gelistir { background:#fef3c7; color:#92400e; }

.pk-body { padding:22px; flex:1; display:flex; flex-direction:column; gap:10px; }
.pk-title { font-family:var(--f-heading); font-size:1.15rem; font-weight:700; letter-spacing:.04em; }
.pk-ozet  { font-size:.86rem; color:var(--txt-2); line-height:1.65; }
.pk-bullets { display:flex; flex-direction:column; gap:4px; margin-top:2px; }
.pk-bullets li { font-size:.82rem; color:var(--txt-2); padding-left:14px; position:relative; }
.pk-bullets li::before { content:'→'; position:absolute; left:0; color:var(--gold); font-size:.75rem; }
.pk-tech { display:flex; flex-wrap:wrap; gap:5px; margin-top:4px; }
.pk-tech span {
  font-size:.62rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase;
  color:var(--txt-3); background:var(--bg-2); border:1px solid var(--border);
  border-radius:3px; padding:2px 8px;
}
.pk-footer {
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 22px; border-top:1px solid var(--border); margin-top:auto;
}
.pk-url {
  font-size:.78rem; font-weight:700; color:var(--gold); letter-spacing:.04em;
  display:flex; align-items:center; gap:5px; transition:var(--tr);
}
.pk-url:hover { color:var(--gold-light); gap:8px; }
.pk-url::after { content:'↗'; }
.pk-rol { font-size:.72rem; color:var(--txt-3); font-style:italic; }

.proje-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(320px,1fr)); gap:20px; }
.proje-grid.col-2 { grid-template-columns:repeat(2,1fr); }

/* ============================================
   TIMELINE (İş Geçmişi)
   ============================================ */
.timeline-wrap { display:grid; grid-template-columns:280px 1fr; gap:48px; align-items:start; }

/* Sol sidebar — özet kartlar */
.timeline-sidebar { position:sticky; top:90px; }
.tl-summary-card {
  background:var(--bg-card); border:1px solid var(--border); border-radius:var(--r-lg);
  padding:24px; margin-bottom:16px;
}
.tl-summary-card h3 {
  font-size:.7rem; font-weight:700; letter-spacing:.15em; text-transform:uppercase;
  color:var(--gold); margin-bottom:14px; padding-bottom:8px; border-bottom:1px solid var(--border);
}
.tl-stat-row { display:flex; justify-content:space-between; align-items:center; padding:8px 0; border-bottom:1px solid var(--border); font-size:.85rem; }
.tl-stat-row:last-child { border-bottom:none; }
.tl-stat-row .k { color:var(--txt-2); }
.tl-stat-row .v { color:var(--txt-1); font-weight:700; }
.tl-skill-cloud { display:flex; flex-wrap:wrap; gap:6px; }

/* Ana timeline */
.timeline { position:relative; padding-left:36px; }
.timeline::before {
  content:''; position:absolute; left:0; top:10px; bottom:0; width:1px;
  background:linear-gradient(to bottom, var(--gold), var(--border) 80%, transparent);
}
.tl-item { position:relative; margin-bottom:48px; padding-bottom:48px; border-bottom:1px solid var(--border); }
.tl-item:last-child { margin-bottom:0; padding-bottom:0; border-bottom:none; }

.tl-dot {
  position:absolute; left:-40px; top:7px;
  width:10px; height:10px; border-radius:50%;
  background:var(--gold); border:2px solid var(--bg-0);
  box-shadow:0 0 12px rgba(245,158,11,.5);
}
.tl-item.active .tl-dot {
  width:14px; height:14px; left:-42px; top:5px;
  background:var(--green); box-shadow:0 0 16px rgba(34,197,94,.6);
}

.tl-meta { display:flex; align-items:center; gap:12px; margin-bottom:12px; flex-wrap:wrap; }
.tl-date {
  font-size:.68rem; font-weight:700; letter-spacing:.15em; text-transform:uppercase;
  color:var(--gold);
}
.tl-badge {
  font-size:.6rem; font-weight:800; letter-spacing:.08em;
  padding:2px 9px; border-radius:3px; text-transform:uppercase;
}
.tl-badge.active-b { background:var(--green-dim); color:var(--green); border:1px solid rgba(34,197,94,.3); }
.tl-badge.sektor   { background:var(--gold-dim); color:var(--gold); border:1px solid var(--gold-line); }

.tl-pozisyon {
  font-family:var(--f-heading); font-size:1.4rem; font-weight:700;
  letter-spacing:.03em; color:var(--txt-1); margin-bottom:4px;
}
.tl-sirket {
  font-size:.9rem; color:var(--txt-2); margin-bottom:14px;
  display:flex; align-items:center; gap:8px; flex-wrap:wrap;
}
.tl-sirket .sep { color:var(--txt-3); }

/* Özet banner */
.tl-ozet {
  background:var(--gold-dim); border-left:3px solid var(--gold);
  border-radius:0 var(--r) var(--r) 0;
  padding:10px 14px; margin-bottom:14px;
  font-size:.88rem; color:var(--txt-1); font-style:italic;
}

.tl-gorevler { display:flex; flex-direction:column; gap:6px; }
.tl-gorevler li { font-size:.88rem; color:var(--txt-2); padding-left:18px; position:relative; line-height:1.55; }
.tl-gorevler li::before { content:'→'; position:absolute; left:0; color:var(--gold); font-size:.78rem; top:2px; }

.tl-basarilar { margin-top:14px; padding-top:14px; border-top:1px dashed var(--border); }
.tl-basarilar-title { font-size:.68rem; font-weight:700; letter-spacing:.12em; text-transform:uppercase; color:var(--gold); margin-bottom:8px; }
.tl-basarilar ul { display:flex; flex-direction:column; gap:5px; }
.tl-basarilar ul li { font-size:.84rem; color:var(--green); padding-left:16px; position:relative; }
.tl-basarilar ul li::before { content:'★'; position:absolute; left:0; font-size:.7rem; }

/* ============================================
   SERTİFİKALAR
   ============================================ */
.sert-stats {
  display:grid; grid-template-columns:repeat(4,1fr); gap:16px; margin-bottom:40px;
}
.sert-stat {
  background:var(--bg-card); border:1px solid var(--border); border-radius:var(--r);
  padding:18px; text-align:center; transition:var(--tr);
}
.sert-stat:hover { border-color:var(--border-hi); }
.sert-stat .icon { font-size:1.6rem; margin-bottom:6px; }
.sert-stat .num  { font-family:var(--f-display); font-size:2rem; color:var(--gold); line-height:1; }
.sert-stat .lbl  { font-size:.68rem; color:var(--txt-3); text-transform:uppercase; letter-spacing:.1em; margin-top:2px; }

.sert-filter { display:flex; flex-wrap:wrap; gap:8px; margin-bottom:32px; }
.sert-btn {
  display:flex; align-items:center; gap:7px;
  font-family:var(--f-heading); font-size:.78rem; font-weight:700;
  letter-spacing:.1em; text-transform:uppercase;
  background:var(--bg-card); border:1px solid var(--border);
  color:var(--txt-2); padding:8px 16px; border-radius:var(--r);
  cursor:pointer; transition:var(--tr);
}
.sert-btn:hover, .sert-btn.active { background:var(--gold-dim); border-color:var(--gold); color:var(--gold); }
.sert-btn .n { background:var(--gold); color:#000; font-size:.6rem; border-radius:9px; padding:1px 6px; }

.sert-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(270px,1fr)); gap:14px; }
.sert-kart {
  background:var(--bg-card); border:1px solid var(--border); border-radius:var(--r);
  padding:18px; display:flex; gap:14px; align-items:flex-start; transition:var(--tr);
  position:relative;
}
.sert-kart:hover { border-color:var(--border-hi); background:var(--bg-hover); transform:translateY(-2px); }
.sert-kart.featured { border-color:var(--gold-line); }
.sert-kart.featured::after {
  content:'⭐'; position:absolute; top:10px; right:12px;
  font-size:.8rem;
}
.sert-icon {
  width:38px; height:38px; min-width:38px; border-radius:var(--r);
  background:var(--gold-dim); border:1px solid var(--gold-line);
  display:flex; align-items:center; justify-content:center; font-size:1rem;
}
.sert-info {}
.sert-name  { font-family:var(--f-heading); font-size:.92rem; font-weight:700; color:var(--txt-1); margin-bottom:3px; line-height:1.3; }
.sert-kurum { font-size:.74rem; color:var(--gold); margin-bottom:2px; }
.sert-tarih { font-size:.7rem; color:var(--txt-3); }
.sert-no    { font-size:.65rem; color:var(--txt-3); font-family:var(--f-mono); margin-top:2px; }

/* ============================================
   HAKKIMDA
   ============================================ */
.about-layout { display:grid; grid-template-columns:1fr 340px; gap:64px; }
.about-body h2 { font-size:1.6rem; margin-bottom:18px; }
.about-body p { color:var(--txt-2); line-height:1.8; margin-bottom:18px; font-size:.98rem; }
.about-card {
  background:var(--bg-card); border:1px solid var(--border);
  border-radius:var(--r-lg); padding:24px; margin-bottom:16px;
}
.about-card h3 {
  font-size:.68rem; font-weight:700; letter-spacing:.16em; text-transform:uppercase;
  color:var(--gold); margin-bottom:12px; padding-bottom:8px; border-bottom:1px solid var(--border);
}
.info-row { display:flex; justify-content:space-between; align-items:center; padding:10px 0; border-bottom:1px solid var(--border); font-size:.86rem; }
.info-row:last-child { border-bottom:none; }
.info-row .k { color:var(--txt-3); }
.info-row .v { color:var(--txt-1); font-weight:600; }

/* ============================================
   İLETİŞİM
   ============================================ */
.contact-layout { display:grid; grid-template-columns:1fr 1fr; gap:60px; }
.contact-intro h2 { font-family:var(--f-display); font-size:2.4rem; letter-spacing:.04em; margin-bottom:16px; }
.contact-intro p  { color:var(--txt-2); line-height:1.8; margin-bottom:32px; }
.contact-methods  { display:flex; flex-direction:column; gap:12px; }
.c-method {
  display:flex; align-items:center; gap:16px;
  padding:18px 22px; background:var(--bg-card);
  border:1px solid var(--border); border-radius:var(--r);
  transition:var(--tr); color:var(--txt-1);
}
.c-method:hover { border-color:var(--border-hi); background:var(--bg-hover); transform:translateX(5px); }
.c-icon { width:42px; height:42px; border-radius:var(--r); display:flex; align-items:center; justify-content:center; font-size:1.2rem; flex-shrink:0; }
.c-icon.wa    { background:rgba(37,211,102,.12); }
.c-icon.tel   { background:var(--gold-dim); }
.c-icon.mail  { background:var(--blue-dim); }
.c-icon.loc   { background:rgba(239,68,68,.1); }
.c-lbl  { font-size:.66rem; font-weight:700; letter-spacing:.14em; text-transform:uppercase; color:var(--txt-3); }
.c-val  { font-family:var(--f-heading); font-size:1.0rem; font-weight:600; }
.c-arr  { margin-left:auto; color:var(--gold); font-size:1.2rem; transition:var(--tr); }
.c-method:hover .c-arr { transform:translateX(3px); }

/* CTA card */
.contact-cta {
  background:var(--bg-card); border:1px solid var(--border); border-radius:var(--r-lg);
  padding:36px; text-align:center; position:relative; overflow:hidden;
}
.contact-cta::before {
  content:''; position:absolute; top:0; left:0; right:0; height:2px;
  background:linear-gradient(90deg,var(--gold),var(--gold-light),transparent);
}
.contact-cta .big-icon { font-size:3rem; margin-bottom:16px; }
.contact-cta h3 { font-family:var(--f-heading); font-size:1.4rem; margin-bottom:10px; }
.contact-cta p  { color:var(--txt-2); font-size:.9rem; line-height:1.7; margin-bottom:28px; }

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background:var(--bg-1); border-top:1px solid var(--border); padding:36px 0;
}
.footer-inner { display:flex; align-items:center; justify-content:space-between; }
.footer-copy  { font-size:.8rem; color:var(--txt-3); }
.footer-copy span { color:var(--gold); }
.footer-links { display:flex; gap:20px; }
.footer-links a { font-size:.8rem; color:var(--txt-3); }
.footer-links a:hover { color:var(--gold); }

/* ============================================
   MOBİL MENÜ
   ============================================ */
.mobile-nav {
  display:none; position:fixed; top:70px; left:0; right:0; z-index:999;
  background:rgba(6,10,15,.98); backdrop-filter:blur(24px);
  border-bottom:1px solid var(--border-md); padding:24px;
}
.mobile-nav.open { display:block; }
.mobile-nav nav { display:flex; flex-direction:column; gap:4px; }
.mobile-nav nav a {
  display:block; font-family:var(--f-heading); font-size:1.05rem; font-weight:600;
  letter-spacing:.08em; text-transform:uppercase; color:var(--txt-2);
  padding:12px 16px; border-radius:var(--r); transition:var(--tr);
}
.mobile-nav nav a:hover { color:var(--txt-1); background:var(--gold-dim); }

/* ============================================
   ANIMASYONLAR
   ============================================ */
@keyframes fadeInUp { from{opacity:0;transform:translateY(28px)} to{opacity:1;transform:translateY(0)} }
@keyframes fadeIn   { from{opacity:0} to{opacity:1} }

.ani-up    { animation:fadeInUp .7s ease both; }
.d1{animation-delay:.1s} .d2{animation-delay:.2s} .d3{animation-delay:.3s}
.d4{animation-delay:.4s} .d5{animation-delay:.5s}

.reveal { opacity:0; transform:translateY(22px); transition:opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity:1; transform:translateY(0); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media(max-width:1024px) {
  .hero-grid         { grid-template-columns:1fr; }
  .hero-photo-wrap   { display:none; }
  .expertise-grid    { grid-template-columns:1fr 1fr; }
  .timeline-wrap     { grid-template-columns:1fr; }
  .timeline-sidebar  { position:static; }
  .about-layout      { grid-template-columns:1fr; }
  .contact-layout    { grid-template-columns:1fr; }
  .sert-stats        { grid-template-columns:repeat(2,1fr); }
}
@media(max-width:768px) {
  section { padding:60px 0; }
  .nav-menu, .nav-cta { display:none; }
  .hamburger { display:flex; }
  .expertise-grid { grid-template-columns:1fr; }
  .proje-grid     { grid-template-columns:1fr; }
  .sert-grid      { grid-template-columns:1fr; }
  .sert-stats     { grid-template-columns:1fr 1fr; }
  .hero-stats     { gap:20px; }
  .sec-num        { display:none; }
  .sec-header     { flex-direction:column; align-items:flex-start; gap:8px; }
  .footer-inner   { flex-direction:column; gap:14px; text-align:center; }
}