/* =========================================================
   ALFA ALUMINYUM — Siyah & Altın, Mühendislik/Blueprint Teması
   Fontlar: Space Grotesk (başlık), Source Serif 4 (gövde), JetBrains Mono (etiket/kod)
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Source+Serif+4:opsz,wght@8..60,400;8..60,500;8..60,600&family=JetBrains+Mono:wght@400;500&display=swap');

:root{
  --black: #0d0d0c;
  --black-soft: #151512;
  --panel: #1b1a15;
  --line: #343124;
  --gold: #d4af37;
  --gold-light: #f7df7e;
  --gold-dark: #8f6f18;
  --gold-metallic: linear-gradient(135deg, #7c5d12 0%, #d4af37 28%, #fff1a8 46%, #b88719 64%, #f7df7e 82%, #8f6f18 100%);
  --ink: #f2efe6;
  --ink-dim: #b9b6ab;
  --muted: #8a8a86;
  --radius: 2px;
  --maxw: 1180px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--black);
  color:var(--ink);
  font-family:'Source Serif 4', Georgia, serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{
  font-family:'Space Grotesk', sans-serif;
  background:var(--gold-metallic);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  line-height:1.15;
  margin:0 0 14px;
  letter-spacing:-0.01em;
}
h1{ font-size:clamp(2.1rem, 4.4vw, 3.4rem); font-weight:700; }
h2{ font-size:clamp(1.6rem, 3vw, 2.3rem); font-weight:600; }
h3{ font-size:1.15rem; font-weight:600; }
p{ margin:0 0 16px; color:var(--ink-dim); }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; margin:0; padding:0; }
img{ max-width:100%; display:block; }
button{ font-family:inherit; }

.container{ max-width:var(--maxw); margin:0 auto; padding:0 24px; }
.gold{
  background:var(--gold-metallic);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.text-center{ text-align:center; margin-left:auto; margin-right:auto; }

.eyebrow{
  font-family:'JetBrains Mono', monospace;
  font-size:0.78rem;
  letter-spacing:0.12em;
  text-transform:uppercase;
  color:var(--gold);
  margin-bottom:12px;
}

.splash-screen{
  position:fixed; inset:0; z-index:9999; display:flex; align-items:center; justify-content:center;
  background:
    radial-gradient(circle at 50% 46%, rgba(212,175,55,0.16), transparent 30%),
    #0d0d0c;
  opacity:1; visibility:visible; transition:opacity .45s ease, visibility .45s ease;
}
.splash-screen.hide{ opacity:0; visibility:hidden; }
.splash-logo-wrap{ display:flex; flex-direction:column; align-items:center; gap:18px; animation:splashRise 2s ease both; }
.splash-logo{
  width:min(260px, 46vw); height:min(260px, 46vw); border-radius:50%; object-fit:cover;
  box-shadow:0 0 0 1px rgba(255,241,168,0.56), 0 0 55px rgba(212,175,55,0.28), 0 28px 80px rgba(0,0,0,0.48);
}
@keyframes splashRise{
  0%{ opacity:0; transform:scale(.86) translateY(12px); filter:blur(6px); }
  28%{ opacity:1; transform:scale(1.02) translateY(0); filter:blur(0); }
  72%{ opacity:1; transform:scale(1) translateY(0); }
  100%{ opacity:1; transform:scale(.98) translateY(-4px); }
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  font-family:'Space Grotesk', sans-serif;
  font-size:0.92rem;
  font-weight:600;
  border-radius:var(--radius);
  border:1px solid transparent;
  cursor:pointer;
  transition:all .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--gold-metallic); color:#0a0a0b;
  border-color:rgba(255,241,168,0.45);
  box-shadow:inset 0 1px 0 rgba(255,255,255,0.35), 0 10px 24px rgba(212,175,55,0.18);
}
.btn-primary:hover{ filter:brightness(1.08); transform:translateY(-1px); }
.btn-ghost{ border-color:var(--line); color:var(--ink); background:transparent; }
.btn-ghost:hover{ border-color:var(--gold); color:var(--gold-light); }
.btn-row{ display:flex; gap:14px; flex-wrap:wrap; margin-top:28px; }
.btn-row.text-center{ justify-content:center; }

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(13,13,12,0.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{ display:flex; align-items:center; justify-content:space-between; padding:16px 24px; gap:24px; }
.brand{ font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:1.15rem; display:flex; align-items:center; gap:10px; }
.brand .mark{ color:var(--gold); display:inline-flex; align-items:center; justify-content:center; }
.brand-logo{
  width:38px; height:38px; border-radius:50%; object-fit:cover;
  box-shadow:0 0 0 1px rgba(212,175,55,0.45), 0 8px 22px rgba(0,0,0,0.32);
}
.main-nav ul{ display:flex; gap:28px; }
.main-nav a{
  font-family:'Space Grotesk', sans-serif; font-size:0.92rem; font-weight:500;
  color:var(--ink-dim); position:relative; padding:4px 0;
  transition:color .2s;
}
.main-nav a:hover, .main-nav a.active{ color:var(--gold-light); }
.main-nav a.active::after{
  content:''; position:absolute; left:0; right:0; bottom:-6px; height:1px; background:var(--gold);
}
.nav-actions{ display:flex; gap:10px; align-items:center; }
.nav-toggle{ display:none; background:none; border:none; color:var(--ink); font-size:1.4rem; cursor:pointer; }

@media (max-width: 900px){
  .main-nav{ position:absolute; top:100%; left:0; right:0; background:var(--black-soft); border-bottom:1px solid var(--line); display:none; }
  .main-nav.open{ display:block; }
  .main-nav ul{ flex-direction:column; padding:16px 24px; gap:0; }
  .main-nav a{ display:block; padding:12px 0; border-bottom:1px solid var(--line); }
  .nav-actions .btn-ghost{ display:none; }
  .nav-toggle{ display:block; }
}

/* ---------- Hero ---------- */
.hero{
  position:relative; padding:76px 0 88px; border-bottom:1px solid var(--line);
  background:
    linear-gradient(115deg, rgba(13,13,12,0.98), rgba(13,13,12,0.86) 52%, rgba(28,25,17,0.72)),
    var(--black);
}
.hero-grid{ display:grid; grid-template-columns:1.1fr 0.9fr; gap:56px; align-items:center; position:relative; }
.hero p{ font-size:1.06rem; max-width:520px; }
.hero-stats{ display:grid; grid-template-columns:repeat(4,1fr); gap:18px; margin-top:44px; }
.hero-stats .stat-value{ font-family:'Space Grotesk',sans-serif; font-size:1.5rem; font-weight:700; color:var(--gold-light); }
.hero-stats .stat-label{ font-family:'JetBrains Mono',monospace; font-size:0.72rem; color:var(--muted); margin-top:4px; text-transform:uppercase; letter-spacing:0.04em; }

.hero-brand-panel{
  position:relative; min-height:430px; display:flex; flex-direction:column; align-items:center; justify-content:center;
  gap:26px; overflow:hidden; border:1px solid rgba(212,175,55,0.55);
  background:
    radial-gradient(circle at 50% 30%, rgba(247,223,126,0.15), transparent 34%),
    linear-gradient(145deg, rgba(27,26,21,0.98), rgba(13,13,12,0.96));
  box-shadow:0 28px 70px rgba(0,0,0,0.42), inset 0 1px 0 rgba(255,241,168,0.16);
}
.hero-brand-panel::before{
  content:''; position:absolute; inset:18px; border:1px solid rgba(212,175,55,0.18); pointer-events:none;
}
.hero-brand-panel img{
  position:relative; z-index:1; width:min(260px, 64%); aspect-ratio:1; border-radius:50%; object-fit:cover;
  box-shadow:0 0 0 1px rgba(255,241,168,0.5), 0 0 55px rgba(212,175,55,0.25), 0 28px 60px rgba(0,0,0,0.42);
}
.hero-brand-lines{
  position:relative; z-index:1; display:flex; flex-wrap:wrap; justify-content:center; gap:10px; padding:0 28px;
}
.hero-brand-lines span{
  border:1px solid rgba(212,175,55,0.34); color:var(--ink-dim); background:rgba(13,13,12,0.48);
  font-family:'JetBrains Mono',monospace; font-size:0.72rem; padding:8px 11px; text-transform:uppercase; letter-spacing:0.05em;
}

.profile-diagram{
  position:relative; border:1px solid var(--line); background:var(--panel); padding:20px;
  box-shadow:0 18px 42px rgba(0,0,0,0.22);
}
.profile-diagram .tag{
  position:absolute; top:12px; left:14px; font-family:'JetBrains Mono',monospace;
  font-size:0.68rem; color:var(--muted); letter-spacing:0.08em;
}
.profile-diagram svg{ width:100%; height:auto; }

@media (max-width:900px){
  .hero-grid{ grid-template-columns:1fr; }
  .hero-stats{ grid-template-columns:repeat(2,1fr); }
}

/* ---------- Sections ---------- */
.section{ padding:80px 0; }
.section-tight{ padding:64px 0; }
.section-head{ max-width:680px; margin-bottom:44px; }
.section-head h2{ margin-bottom:10px; }

.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.grid-2{ display:grid; grid-template-columns:repeat(2,1fr); gap:24px; }
@media (max-width:900px){ .grid-3{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:640px){ .grid-3, .grid-2{ grid-template-columns:1fr; } }

/* ---------- Cards ---------- */
.card{
  background:var(--panel); border:1px solid var(--line); padding:26px;
  box-shadow:0 18px 42px rgba(0,0,0,0.18);
  transition:border-color .2s, transform .2s, box-shadow .2s;
}
.card:hover{ border-color:var(--gold); transform:translateY(-3px); box-shadow:0 24px 52px rgba(0,0,0,0.28); }
.card .code{ font-family:'JetBrains Mono',monospace; font-size:0.72rem; color:var(--gold); letter-spacing:0.06em; margin-bottom:10px; display:block; }
.card h3{ margin-bottom:8px; }
.card p{ font-size:0.94rem; margin-bottom:0; }
.card .detail{ margin-top:12px; padding-top:12px; border-top:1px solid var(--line); font-size:0.88rem; }

.service-card{ overflow:hidden; padding:0; display:flex; flex-direction:column; }
.card-media{
  position:relative; height:210px; overflow:hidden; border-bottom:1px solid var(--line);
  background:linear-gradient(135deg, #191815, #0d0d0c);
}
.card-media::after,
.project-card .thumb::after{
  content:''; position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(13,13,12,0.02), rgba(13,13,12,0.26));
  pointer-events:none;
}
.card-media img,
.project-card .thumb img{
  width:100%; height:100%; object-fit:cover; filter:saturate(0.95) contrast(1.04);
  transition:transform .35s ease;
}
.service-card:hover .card-media img,
.project-card:hover .thumb img{ transform:scale(1.045); }
.card-body{ padding:24px; flex:1; }

.why-card{ text-align:left; }
.why-card .num{ font-family:'JetBrains Mono',monospace; color:var(--gold); font-size:0.8rem; margin-bottom:10px; display:block; }

.project-card{ overflow:hidden; padding:0; }
.project-card .thumb{
  position:relative; height:220px; background:linear-gradient(135deg, var(--panel), var(--black-soft));
  border-bottom:1px solid var(--line); overflow:hidden;
}
.project-card .body{ padding:20px; }
.project-card .cat{ font-family:'JetBrains Mono',monospace; font-size:0.7rem; color:var(--gold); text-transform:uppercase; letter-spacing:0.06em; }

.testi-card{ position:relative; }
.testi-card .quote-mark{ font-family:'Space Grotesk',sans-serif; font-size:2.4rem; color:var(--gold); line-height:1; display:block; margin-bottom:6px; }
.testi-card .name{ font-family:'Space Grotesk',sans-serif; color:var(--ink); font-weight:600; margin-top:14px; }
.testi-card .loc{ font-family:'JetBrains Mono',monospace; font-size:0.72rem; color:var(--muted); }

/* ---------- Process ---------- */
.process-list{ display:flex; flex-direction:column; border-top:1px solid var(--line); }
.process-item{
  display:grid; grid-template-columns:90px 1fr; gap:24px;
  padding:26px 0; border-bottom:1px solid var(--line);
}
.process-item .step{ font-family:'JetBrains Mono',monospace; color:var(--gold); font-size:1.3rem; }
.process-item h3{ margin-bottom:6px; }
.process-item p{ margin-bottom:0; font-size:0.94rem; }

/* ---------- CTA band ---------- */
.cta-band{
  padding:70px 0; text-align:center; background:var(--black-soft);
  border-top:1px solid var(--line); border-bottom:1px solid var(--line);
}
.cta-band h2{ margin-bottom:8px; }
.cta-band .btn-row{ justify-content:center; }

/* ---------- Footer ---------- */
.site-footer{ background:var(--black); border-top:1px solid var(--line); padding:60px 0 24px; }
.footer-grid{ display:grid; grid-template-columns:1.6fr 1fr 1fr 1fr; gap:32px; margin-bottom:40px; }
.footer-grid h4{ font-family:'JetBrains Mono',monospace; font-size:0.78rem; text-transform:uppercase; letter-spacing:0.08em; color:var(--gold); margin-bottom:16px; }
.footer-grid ul li{ margin-bottom:10px; }
.footer-grid ul a{ color:var(--ink-dim); font-size:0.92rem; }
.footer-grid ul a:hover{ color:var(--gold-light); }
.badge-list{ margin-top:16px; }
.badge{
  display:inline-block; border:1px solid var(--line); padding:8px 14px;
  font-family:'JetBrains Mono',monospace; font-size:0.75rem; color:var(--ink-dim);
}
.badge:hover{ border-color:var(--gold); color:var(--gold-light); }
.footer-bottom{
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px;
  padding-top:20px; border-top:1px solid var(--line);
  font-family:'JetBrains Mono',monospace; font-size:0.75rem; color:var(--muted);
}
@media (max-width:900px){ .footer-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:560px){ .footer-grid{ grid-template-columns:1fr; } }

/* ---------- WhatsApp float ---------- */
.wa-float{ display:none !important; }

.fixed-contact-left{
  position:fixed; bottom:24px; right:24px; z-index:200;
  display:none;
}
.fixed-contact-left{
  left:22px; right:auto; top:50%; bottom:auto; transform:translateY(-50%);
  display:flex; flex-direction:column; gap:10px;
}
.fixed-contact-left a{
  width:48px; height:48px; display:flex; align-items:center; justify-content:center;
  border:1px solid rgba(212,175,55,0.55); background:rgba(21,21,18,0.92); color:var(--gold);
  box-shadow:0 14px 32px rgba(0,0,0,0.32); backdrop-filter:blur(8px);
  transition:transform .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.fixed-contact-left a:hover{
  transform:translateX(4px); background:var(--gold); border-color:var(--gold); color:#0d0d0c;
}
.fixed-contact-left svg,
.fixed-assistant svg{ width:21px; height:21px; fill:currentColor; }

.fixed-assistant{
  position:fixed; right:20px; top:50%; z-index:210; transform:translateY(-50%);
  width:78px; height:78px; display:flex; align-items:center; justify-content:center;
  border-radius:50%; color:var(--gold); text-decoration:none;
  background:transparent; border:none; box-shadow:none;
  transition:transform .22s ease, filter .22s ease;
}
.fixed-assistant svg{
  width:78px; height:78px; filter:drop-shadow(0 18px 30px rgba(0,0,0,0.42));
}
.fixed-assistant:hover{ transform:translateY(-50%) scale(1.06); filter:brightness(1.08); }

.reveal{
  opacity:0; transform:translateY(22px);
  transition:opacity .65s ease, transform .65s ease;
}
.reveal.is-visible{ opacity:1; transform:none; }
.card.reveal{ transition:opacity .65s ease, transform .65s ease, border-color .2s, box-shadow .2s; }

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

@media (max-width:760px){
  .fixed-contact-left{ left:12px; gap:8px; }
  .fixed-contact-left a{ width:42px; height:42px; }
  .fixed-assistant{ right:10px; width:64px; height:64px; }
  .fixed-assistant svg{ width:64px; height:64px; }
}

/* ---------- Page hero (inner pages) ---------- */
.page-hero{ padding:56px 0 46px; border-bottom:1px solid var(--line); }
.breadcrumb{
  font-family:'JetBrains Mono',monospace; font-size:0.78rem; color:var(--muted); margin-bottom:18px;
}
.breadcrumb a{ color:var(--muted); }
.breadcrumb a:hover{ color:var(--gold-light); }

/* ---------- FAQ ---------- */
.faq-list{ max-width:780px; margin:0 auto; border-top:1px solid var(--line); }
.faq-item{ border-bottom:1px solid var(--line); }
.faq-q{
  width:100%; text-align:left; background:none; border:none; color:var(--ink);
  font-family:'Space Grotesk',sans-serif; font-size:1.02rem; font-weight:600;
  padding:20px 4px; cursor:pointer; display:flex; justify-content:space-between; align-items:center; gap:16px;
}
.faq-q .icon{ color:var(--gold); font-family:'JetBrains Mono',monospace; flex-shrink:0; transition:transform .2s; }
.faq-item.open .faq-q .icon{ transform:rotate(45deg); }
.faq-a{ max-height:0; overflow:hidden; transition:max-height .25s ease; }
.faq-item.open .faq-a{ max-height:400px; }
.faq-a p{ padding:0 4px 20px; margin:0; font-size:0.95rem; }

/* ---------- Contact page ---------- */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:start; }
@media (max-width:900px){ .contact-grid{ grid-template-columns:1fr; } }
.contact-info-list{ margin-top:24px; }
.contact-info-item{ display:flex; gap:14px; padding:16px 0; border-bottom:1px solid var(--line); }
.contact-info-item .ic{ color:var(--gold); font-family:'JetBrains Mono',monospace; }
.contact-info-item .lbl{ font-family:'JetBrains Mono',monospace; font-size:0.7rem; text-transform:uppercase; color:var(--muted); letter-spacing:0.06em; margin-bottom:4px; }
.map-frame{ border:1px solid var(--line); margin-top:24px; height:280px; }
.map-frame iframe{ width:100%; height:100%; border:0; filter:grayscale(0.4) invert(0.92) contrast(0.9); }

.form-group{ margin-bottom:18px; }
.form-group label{ display:block; font-family:'JetBrains Mono',monospace; font-size:0.75rem; text-transform:uppercase; letter-spacing:0.05em; color:var(--muted); margin-bottom:8px; }
.form-group input, .form-group textarea, .form-group select{
  width:100%; background:var(--panel); border:1px solid var(--line); color:var(--ink);
  padding:12px 14px; font-family:'Source Serif 4',serif; font-size:0.96rem; border-radius:var(--radius);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus{
  outline:none; border-color:var(--gold);
}
.form-group textarea{ min-height:140px; resize:vertical; }
.form-note{ font-family:'JetBrains Mono',monospace; font-size:0.78rem; margin-top:12px; }
.form-note.success{ color:#7fbf7f; }
.form-note.error{ color:#d97757; }

/* ---------- Utility ---------- */
.tag-pill{
  display:inline-block; font-family:'JetBrains Mono',monospace; font-size:0.7rem;
  border:1px solid var(--line); padding:5px 10px; color:var(--muted); margin:4px 6px 4px 0;
}
.about-grid{ display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:center; }
@media (max-width:900px){ .about-grid{ grid-template-columns:1fr; } }
.stat-strip{ display:grid; grid-template-columns:repeat(4,1fr); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.stat-strip .item{ text-align:center; padding:28px 12px; border-right:1px solid var(--line); }
.stat-strip .item:last-child{ border-right:none; }
.stat-strip .stat-value{ font-family:'Space Grotesk',sans-serif; font-size:1.7rem; font-weight:700; color:var(--gold-light); }
.stat-strip .stat-label{ font-family:'JetBrains Mono',monospace; font-size:0.7rem; color:var(--muted); margin-top:6px; text-transform:uppercase; }
@media (max-width:640px){ .stat-strip{ grid-template-columns:repeat(2,1fr); } .stat-strip .item{ border-bottom:1px solid var(--line); } }

.filter-bar{ display:flex; gap:10px; flex-wrap:wrap; margin-bottom:32px; }
.filter-btn{
  font-family:'JetBrains Mono',monospace; font-size:0.75rem; padding:8px 16px;
  border:1px solid var(--line); background:transparent; color:var(--ink-dim); cursor:pointer;
}
.filter-btn.active, .filter-btn:hover{ border-color:var(--gold); color:var(--gold-light); }