/* ==========================================================================
   UNIQUE FUAR TASARIM — stil sistemi
   Yön: mimari teknik çizim / ölçülendirme dili. Marka lacivert zemin,
   kağıt tonu arka plan, ölçü çizgisi (dimension line) imzası.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500;600;700&display=swap');

:root{
  --ink:        #0C1523;   /* marka lacivert */
  --ink-soft:   #3C4552;
  --paper:      #EEEDE6;   /* zemin */
  --paper-alt:  #E4E2D8;   /* alternatif bölüm zemini */
  --card:       #F7F6F1;
  --white:      #FFFFFF;
  --rule:       #C9C7BA;   /* ince çizgi */
  --frame:      rgba(12,21,35,.22); /* belirgin kart çerçevesi */
  --rust:       #B8451F;   /* vurgu / CTA */
  --rust-dark:  #97370F;
  --blue:       #35617E;   /* teknik mavi vurgu */

  --display: 'Space Grotesk', sans-serif;
  --body:    'Inter', sans-serif;
  --mono:    'IBM Plex Mono', monospace;

  --maxw: 1180px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; overflow-x:hidden; width:100%; }
body{
  margin:0;
  font-family:var(--body);
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  line-height:1.55;
  overflow-x:hidden;
  width:100%;
  position:relative;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family:var(--display); margin:0; font-weight:600; letter-spacing:-0.01em; }
p{ margin:0; }
button{ font-family:inherit; cursor:pointer; }

:focus-visible{ outline:2px solid var(--rust); outline-offset:3px; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

.wrap{ max-width:var(--maxw); margin:0 auto; padding:0 24px; }
.eyebrow{
  font-family:var(--mono); font-weight:600; font-size:13.5px; letter-spacing:.1em; text-transform:uppercase;
  color:var(--ink); display:inline-flex; align-items:center; gap:10px; margin-bottom:16px;
}
.eyebrow::before{ content:''; width:22px; height:1px; background:var(--rust); flex:none; }
.section-title{ font-size:clamp(28px,3.6vw,40px); max-width:22ch; }
.section{ padding:88px 0; }
.section--tight{ padding:56px 0; }
.section--alt{ background:var(--paper-alt); }
.section--ink{ background:var(--ink); color:var(--paper); }
.section--ink .eyebrow{ color:#EDEDE7; }
.section--ink .eyebrow::before{ background:#E08A5F; }

/* ---------- Buton ---------- */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--mono); font-weight:600; font-size:13.5px; letter-spacing:.04em; text-transform:uppercase;
  padding:15px 26px; border:1px solid transparent; white-space:nowrap;
  transition:background .18s ease, color .18s ease, border-color .18s ease, transform .12s ease;
}
.btn:active{ transform:translateY(1px); }
.btn--primary{ background:var(--rust); color:#fff; }
.btn--outline{ border-color:currentColor; }
.btn-row{ display:flex; gap:14px; flex-wrap:wrap; }

/* ---------- Header ---------- */
.site-header{
  position:relative; position:sticky; top:0; z-index:50;
  background:rgba(238,237,230,.92); backdrop-filter:blur(6px);
  border-bottom:1px solid var(--rule);
}
.site-header .wrap{ display:flex; align-items:center; justify-content:space-between; height:78px; }
.logo{ display:flex; align-items:center; gap:10px; }
.logo img{ height:44px; width:auto; display:block; }
.main-nav{ display:flex; align-items:center; gap:36px; }
.main-nav ul{ display:flex; gap:30px; }
.main-nav a{
  font-family:var(--mono); font-weight:600; font-size:13.5px; letter-spacing:.03em; text-transform:uppercase;
  position:relative; padding:4px 0;
}
.main-nav a::after{
  content:''; position:absolute; left:0; bottom:0; height:1px; width:0; background:var(--rust);
  transition:width .18s ease;
}
.main-nav a[aria-current="page"]::after{ width:100%; }
.main-nav a[aria-current="page"]{ color:var(--rust); }
.nav-toggle{
  display:none; background:none; border:none; width:34px; height:26px; position:relative; padding:0;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:''; position:absolute; left:0; right:0; height:2px; background:var(--ink); transition:transform .2s ease, opacity .2s ease;
}
.nav-toggle span{ top:12px; }
.nav-toggle span::before{ top:-9px; }
.nav-toggle span::after{ top:9px; }
.nav-toggle[aria-expanded="true"] span{ background:transparent; }
.nav-toggle[aria-expanded="true"] span::before{ transform:translateY(9px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after{ transform:translateY(-9px) rotate(-45deg); }

/* ---------- Ölçü çizgisi (imza öğesi) ---------- */
.dim{
  display:flex; align-items:center; gap:14px; color:var(--ink-soft);
  margin:34px 0;
}
.dim__line{ flex:1; height:1px; background:var(--rule); position:relative; }
.dim__line::before, .dim__line::after{
  content:''; position:absolute; top:-4px; width:1px; height:9px; background:var(--rule);
}
.dim__line::before{ left:0; } .dim__line::after{ right:0; }
.dim__label{ font-family:var(--mono); font-size:12px; letter-spacing:.08em; white-space:nowrap; }
.section--ink .dim__line, .section--ink .dim__line::before, .section--ink .dim__line::after{ background:#3A4451; }
.section--ink .dim__label{ color:#9AA4AF; }

/* ---------- Hero (tam ekran, fotoğraf arka planlı) ---------- */
.hero--full{
  position:relative; min-height:100vh; min-height:100svh;
  display:flex; flex-direction:column; justify-content:flex-end;
  overflow:hidden; color:#fff; isolation:isolate;
}
.hero__bg{ position:absolute; top:0; right:0; bottom:0; left:0; z-index:0; }
.hero__bg img{ width:100%; height:100%; object-fit:cover; object-position:60% 38%; display:block; }
.hero__scrim{
  position:absolute; top:0; right:0; bottom:0; left:0; z-index:1;
  background:
    linear-gradient(180deg, rgba(9,15,26,.30) 0%, rgba(9,15,26,.18) 30%, rgba(9,15,26,.78) 100%),
    linear-gradient(90deg, rgba(9,15,26,.82) 0%, rgba(9,15,26,.42) 42%, rgba(9,15,26,.12) 68%);
}
.hero__content{ position:relative; z-index:2; padding:0 0 88px; width:100%; }
.hero__kicker{ font-family:var(--mono); font-weight:600; font-size:13.5px; letter-spacing:.12em; text-transform:uppercase; color:#E8A87C; margin-bottom:22px; display:inline-flex; align-items:center; gap:10px; }
.hero__kicker::before{ content:''; width:22px; height:1px; background:#E8A87C; }
.hero--full h1{ font-size:clamp(38px,5.6vw,68px); line-height:1.05; color:#fff; max-width:16ch; text-wrap:balance; }
.hero__sub{ font-size:19px; color:#D7DCE1; max-width:46ch; margin:24px 0 36px; }
.hero__bottom-rule{ display:none; }
.hero__scroll{
  position:absolute; left:24px; bottom:32px; z-index:2;
  display:flex; flex-direction:column; align-items:flex-start; gap:10px; color:#C7CCD2;
  font-family:var(--mono); font-size:11px; letter-spacing:.1em; text-transform:uppercase;
}
.hero__scroll::before{ content:''; order:2; width:1px; height:34px; background:linear-gradient(180deg, #C7CCD2, transparent); }

.placeholder-frame{
  position:relative; border:1px solid #3A4451; background:#131E2E;
  aspect-ratio:4/3; display:flex; align-items:center; justify-content:center; text-align:center;
  min-width:0; overflow:hidden;
}
.placeholder-frame::before, .placeholder-frame::after,
.placeholder-frame .cm-tl, .placeholder-frame .cm-br{
  content:''; position:absolute; width:16px; height:16px; border-color:#5A6672; border-style:solid;
}
.placeholder-frame::before{ top:-1px; left:-1px; border-width:1px 0 0 1px; }
.placeholder-frame::after{ bottom:-1px; right:-1px; border-width:0 1px 1px 0; }
.placeholder-frame__label{ font-family:var(--mono); font-size:12px; color:#7C8792; letter-spacing:.04em; padding:0 24px; }
.placeholder-frame--light{ background:var(--card); border-color:var(--rule); }
.placeholder-frame--light .placeholder-frame__label{ color:#8A8878; }
.placeholder-frame img{ width:100%; height:100%; object-fit:cover; display:block; }
.frame--wide{ aspect-ratio:21/9; }

/* ---------- Tanıtım / metin bloğu ---------- */
.lede{ font-size:23px; line-height:1.6; max-width:74ch; color:var(--ink-soft); }
.lede strong{ color:var(--ink); font-weight:600; }
.copy{ max-width:68ch; color:var(--ink-soft); font-size:16px; }
.copy + .copy{ margin-top:16px; }

/* ---------- Üç bölüm (istatistik kartları) ---------- */
.trio{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--rule); border:1px solid var(--rule); }
.trio__item{ background:var(--card); padding:34px 30px; }
.trio__item h3{ font-size:18px; margin-bottom:12px; }
.trio__item p{ color:var(--ink-soft); font-size:15px; }

/* ---------- Hizmet şeridi ---------- */
.strip{ display:grid; grid-template-columns:repeat(4,1fr); border-top:1px solid var(--rule); border-left:1px solid var(--rule); }
.strip__item{ border-right:1px solid var(--rule); border-bottom:1px solid var(--rule); padding:30px 26px; }
.strip__num{ font-family:var(--mono); font-size:13px; font-weight:500; color:var(--rust); margin-bottom:16px; display:block; }
.strip__item h3{ font-size:17px; margin-bottom:10px; }
.strip__item p{ font-size:14px; color:var(--ink-soft); }

/* ---------- Kartlar (proje / genel) ---------- */
.card-grid{
  display:grid; grid-template-columns:repeat(2,1fr); gap:1px;
  background:var(--frame); border:1px solid var(--frame);
}
.card-grid--3{ grid-template-columns:repeat(3,1fr); }
.proj-card{
  background:var(--card); display:flex; flex-direction:column; position:relative;
  min-width:0; overflow:hidden;
  transition:transform .22s ease, box-shadow .22s ease;
}
.proj-card__img{ aspect-ratio:4/3; min-width:0; }
.proj-card__body{ padding:24px 26px 28px; flex:1; display:flex; flex-direction:column; }
.proj-card__sector{ font-family:var(--mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:var(--rust); margin-bottom:8px; }
.proj-card__body h3{ font-size:20px; margin-bottom:10px; }
.proj-card__body p{ color:var(--ink-soft); font-size:14.5px; flex:1; }
.proj-card__link{ font-family:var(--mono); font-size:12px; letter-spacing:.04em; margin-top:18px; display:inline-block; }
.proj-card__link::after{ content:'→'; margin-left:6px; }

.link-more{ font-family:var(--mono); font-size:13px; letter-spacing:.04em; display:inline-block; margin-top:36px; }
.link-more::after{ content:'→'; margin-left:8px; transition:margin .15s ease; }

/* ---------- Kapanış / CTA ---------- */
.cta{ text-align:center; }
.cta h2{ font-size:clamp(26px,3.4vw,38px); margin-bottom:16px; }
.cta p{ color:var(--ink-soft); max-width:56ch; margin:0 auto 34px; font-size:16.5px; }
.section--ink .cta p{ color:#B9C0C8; }
.cta .btn-row{ justify-content:center; }

/* ---------- Tablolar ---------- */
.table-wrap{ overflow-x:auto; border:1px solid var(--rule); }
table.data-table{ width:100%; border-collapse:collapse; min-width:520px; }
.data-table th, .data-table td{ text-align:left; padding:16px 20px; border-bottom:1px solid var(--rule); font-size:14.5px; }
.data-table th{ font-family:var(--mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:var(--ink-soft); background:var(--paper-alt); }
.data-table tr:last-child td{ border-bottom:none; }
.data-table td.num{ font-family:var(--mono); }

/* ---------- Adım listesi (süreç) ---------- */
.step-list{ border-top:1px solid var(--rule); }
.step-list__item{
  display:flex; align-items:baseline; gap:24px; padding:22px 4px;
  border-bottom:1px solid var(--rule);
}
.step-list__num{ font-family:var(--mono); font-size:13px; color:var(--rust); flex:none; width:28px; }
.step-list__text{ font-size:16px; color:var(--ink-soft); }
.step-list__text strong{ color:var(--ink); font-weight:600; }

/* ---------- Deneyim özeti (rakamlar) ---------- */
.stat-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--frame); border:1px solid var(--frame); }
.stat{ background:var(--card); padding:30px 24px; }
.stat__num{ font-family:var(--display); font-size:34px; font-weight:600; color:var(--rust); }
.stat__label{ font-size:13.5px; color:var(--ink-soft); margin-top:8px; }

/* ---------- Yaklaşım listesi (hakkımızda) ---------- */
.approach{ display:flex; flex-direction:column; }
.approach__item{ display:grid; grid-template-columns:220px 1fr; gap:32px; padding:30px 0; border-top:1px solid var(--rule); }
.approach__item:last-child{ border-bottom:1px solid var(--rule); }
.approach__item h3{ font-size:17px; }
.approach__item p{ color:var(--ink-soft); font-size:15px; max-width:62ch; }

/* ---------- Kapsam listesi ---------- */
.scope-list{ display:grid; grid-template-columns:repeat(2,1fr); gap:10px 30px; margin-top:22px; }
.scope-list li{ font-size:15px; color:var(--ink-soft); padding-left:20px; position:relative; }
.scope-list li::before{ content:''; position:absolute; left:0; top:9px; width:8px; height:1px; background:var(--rust); }

/* ---------- Not kutusu (küçük punto uyarı) ---------- */
.note{ font-family:var(--mono); font-size:12.5px; color:var(--ink-soft); border-left:2px solid var(--rust); padding:12px 18px; background:var(--paper-alt); max-width:70ch; }

/* ---------- Proje detay ---------- */
.proj-hero{ position:relative; }
.proj-hero .placeholder-frame{ aspect-ratio:21/9; }
.proj-meta{ display:flex; align-items:baseline; gap:18px; flex-wrap:wrap; margin-bottom:18px; }
.proj-meta .eyebrow{ margin:0; }
.solution-list{ display:grid; grid-template-columns:repeat(2,1fr); gap:16px 30px; margin-top:28px; }
.solution-list li{ font-size:15.5px; padding:16px 0 16px 30px; border-top:1px solid var(--rule); position:relative; }
.solution-list li::before{ content:attr(data-i); position:absolute; left:0; top:16px; font-family:var(--mono); font-size:13px; font-weight:500; color:var(--rust); }
.other-views{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--frame); border:1px solid var(--frame); margin-top:20px; }
.other-views .placeholder-frame{ aspect-ratio:1/1; border:none; }

.proj-pager{ display:flex; justify-content:space-between; border-top:1px solid var(--rule); padding-top:28px; margin-top:16px; }
.proj-pager a{ font-family:var(--mono); font-size:13px; }

/* ---------- İletişim formu ---------- */
.contact-grid{ display:grid; grid-template-columns:1.1fr .9fr; gap:64px; align-items:start; }
.field{ margin-bottom:20px; }
.field label{ display:block; font-family:var(--mono); font-size:11.5px; letter-spacing:.06em; text-transform:uppercase; color:var(--ink-soft); margin-bottom:8px; }
.field input, .field select, .field textarea{
  width:100%; border:1px solid var(--rule); background:var(--card); padding:13px 14px; font-family:var(--body); font-size:15px; color:var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus{ outline:none; border-color:var(--rust); }
.field-row{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.field--check{ display:flex; align-items:flex-start; gap:10px; }
.field--check input{ width:auto; margin-top:4px; }
.field--check label{ text-transform:none; font-family:var(--body); font-size:13.5px; letter-spacing:0; margin:0; color:var(--ink-soft); }
.form-note{ font-size:13px; color:var(--ink-soft); margin-top:10px; }
.form-status{ font-family:var(--mono); font-size:13px; margin-top:14px; display:none; }
.form-status.is-visible{ display:block; }

.contact-side dl{ margin:0; }
.contact-side .dim{ margin:0 0 22px; }
.contact-side dt{ font-family:var(--mono); font-size:11px; text-transform:uppercase; letter-spacing:.08em; color:var(--ink-soft); margin-bottom:6px; }
.contact-side dd{ margin:0 0 26px; font-size:16px; }

/* ---------- Footer ---------- */
.site-footer{ background:var(--ink); color:#9AA4AF; padding:60px 0 30px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px; padding-bottom:40px; border-bottom:1px solid #263140; }
.footer-grid img{ height:34px; margin-bottom:18px; }
.footer-grid p{ font-size:14px; max-width:36ch; line-height:1.6; }
.footer-col h4{ font-family:var(--mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:#6E7986; margin-bottom:16px; }
.footer-col ul li{ margin-bottom:10px; font-size:14.5px; }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; padding-top:24px; font-size:12.5px; flex-wrap:wrap; gap:10px; }
.footer-bottom a{ margin-left:18px; }

/* ---------- WhatsApp sabit buton ---------- */
.wa-fab{
  position:fixed; right:22px; bottom:22px; z-index:60;
  width:56px; height:56px; border-radius:50%; background:#25D366; color:#fff;
  display:flex; align-items:center; justify-content:center; box-shadow:0 6px 18px rgba(0,0,0,.25);
  transition:transform .15s ease;
}

/* ---------- Yardımcı ---------- */
.hidden-anchor-offset{ scroll-margin-top:100px; }
.skip-link{
  position:absolute; left:-9999px; top:auto; background:var(--ink); color:#fff; padding:12px 18px; z-index:100;
}
.skip-link:focus{ left:16px; top:16px; }

/* ---------- Hover efektleri — yalnızca gerçek imleçli cihazlarda ----------
   Dokunmatik ekranlarda kaydırma/dokunma sırasında :hover durumunun
   yanlışlıkla tetiklenip "takılı kalmasını" (kartların büyümesi, linklerin
   rengi değişmesi vb.) önler. Masaüstünde davranış tamamen aynıdır. */
@media (hover:hover) and (pointer:fine){
  .btn--primary:hover{ background:var(--rust-dark); }
  .btn--outline:hover{ background:var(--ink); color:var(--paper); border-color:var(--ink); }
  .section--ink .btn--outline:hover{ background:var(--paper); color:var(--ink); }
  .main-nav a:hover::after{ width:100%; }
  .proj-card:hover{ transform:translateY(-5px); box-shadow:0 18px 34px rgba(12,21,35,.16); z-index:2; }
  .link-more:hover::after{ margin-left:12px; }
  .contact-side a:hover{ color:var(--rust); }
  .footer-col a:hover{ color:#fff; }
  .wa-fab:hover{ transform:scale(1.06); }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 760px) and (max-height: 560px){
  .hero--full{ min-height:auto; }
  .hero__content{ padding-top:100px; padding-bottom:40px; }
}
@media (max-width: 980px){
  .trio{ grid-template-columns:1fr; }
  .strip{ grid-template-columns:repeat(2,1fr); }
  .card-grid, .card-grid--3{ grid-template-columns:repeat(2,1fr); }
  .stat-grid{ grid-template-columns:repeat(2,1fr); }
  .approach__item{ grid-template-columns:1fr; gap:10px; }
  .contact-grid{ grid-template-columns:1fr; gap:48px; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .other-views{ grid-template-columns:repeat(3,1fr); }
}

@media (max-width: 760px){
  .section{ padding:60px 0; }
  .site-header{ backdrop-filter:none; background:var(--paper); }
  .main-nav{
    position:absolute; top:100%; left:0; right:0; z-index:45;
    display:block; width:100%;
    max-height:0; overflow:hidden;
    background:var(--paper); border-top:0 solid var(--rule);
    padding:0 24px;
    transition:max-height .3s ease;
  }
  .main-nav.is-open{
    max-height:480px; overflow-y:auto; -webkit-overflow-scrolling:touch;
    border-top-width:1px;
  }
  .main-nav ul{ display:block; padding:10px 0 0; }
  .main-nav ul li{ border-bottom:1px solid var(--rule); }
  .main-nav a{ display:block; padding:16px 2px; font-size:14px; }
  .main-nav .btn{ display:flex; margin:20px 0 26px; width:100%; justify-content:center; }
  .nav-toggle{ display:block; }
  .strip{ grid-template-columns:1fr; }
  .card-grid, .card-grid--3{ grid-template-columns:1fr; }
  .stat-grid{ grid-template-columns:1fr 1fr; }
  .footer-grid{ grid-template-columns:1fr; gap:28px; }
  .field-row{ grid-template-columns:1fr; }
  .scope-list{ grid-template-columns:1fr; }
  .solution-list{ grid-template-columns:1fr; }
  .other-views{ grid-template-columns:1fr 1fr; }
  .footer-bottom{ flex-direction:column; align-items:flex-start; }
  .footer-bottom a{ margin-left:0; margin-right:16px; }

  .hero__content{ padding:0 0 96px; }
  .hero--full h1{ max-width:14ch; }
  .hero__sub{ font-size:17px; }
  .hero__scroll{ display:none; }
  .lede{ font-size:19px; }
  .step-list__item{ gap:16px; }
  .field input, .field select, .field textarea{ font-size:16px; }
}