/* =========================================================
   ŞAHİN MAKİNA — Design tokens
   Konsept: "Körük" (bellows) — endüstriyel katlama / pleat motifi
   ========================================================= */
:root{
  /* Renkler */
  --ink:        #14181c;   /* ana koyu zemin / metin */
  --steel:      #46525c;   /* ikincil metin, çelik gri */
  --steel-line: #ccd2d6;   /* ince çizgiler */
  --paper:      #eeece5;   /* açık zemin */
  --white:      #ffffff;
  --signal:     #e2531f;   /* sinyal turuncusu - vurgu */
  --signal-dim: #b8421a;
  --brass:      #b98a3f;   /* ikincil vurgu, pirinç tonu */

  /* Tipografi */
  --f-display: "Oswald", "Arial Narrow", sans-serif;
  --f-body:    "Work Sans", "Segoe UI", Arial, sans-serif;
  --f-mono:    "IBM Plex Mono", "Courier New", monospace;

  --radius: 2px;
  --container: 1180px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--f-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
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(--f-display); font-weight:600; letter-spacing:.01em; margin:0 0 .5em; text-transform:uppercase; }
p{ margin:0 0 1em; }
.container{ max-width:var(--container); margin:0 auto; padding:0 24px; }
section{ position:relative; }

/* Erişilebilir odak stili */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--signal);
  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; }
}

/* ---------- Eyebrow / etiketler ---------- */
.eyebrow{
  font-family:var(--f-mono);
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--signal);
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:26px; height:2px;
  background:var(--signal);
}

/* ---------- Pleat / körük divider (imza öge) ---------- */
.pleat{
  width:100%;
  height:22px;
  line-height:0;
  display:block;
}
.pleat svg{ width:100%; height:100%; display:block; }
.pleat--up   path{ fill:var(--paper); }
.pleat--down path{ fill:var(--ink); }
.pleat--white path{ fill:var(--white); }

/* ---------- Header ---------- */
.topbar{
  background:var(--ink);
  color:var(--paper);
  font-family:var(--f-mono);
  font-size:12.5px;
  letter-spacing:.03em;
}
.topbar .container{
  display:flex;
  justify-content:space-between;
  align-items:center;
  min-height:38px;
  flex-wrap:wrap;
  gap:8px 20px;
}
.topbar__item{ display:flex; align-items:center; gap:8px; color:var(--paper); opacity:.9;}
.topbar__item strong{ color:var(--signal); font-weight:600; }
.topbar a:hover{ color:var(--signal); }

.site-header{
  background:var(--paper);
  border-bottom:1px solid var(--steel-line);
  position:sticky; top:0; z-index:50;
}
.site-header .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-top:14px; padding-bottom:14px;
}
.brand{ display:flex; align-items:center; gap:12px; }
.brand img{ height:44px; width:auto; }
.brand__text{ font-family:var(--f-display); line-height:1.1; }
.brand__text b{ display:block; font-size:18px; letter-spacing:.02em; }
.brand__text span{ display:block; font-family:var(--f-mono); font-size:10.5px; letter-spacing:.12em; color:var(--steel); text-transform:uppercase; }

.nav{ display:flex; align-items:center; gap:2px; }
.nav a{
  font-family:var(--f-display);
  font-size:14px;
  letter-spacing:.03em;
  text-transform:uppercase;
  padding:10px 16px;
  position:relative;
  color:var(--ink);
}
.nav a::after{
  content:"";
  position:absolute; left:16px; right:16px; bottom:6px; height:2px;
  background:var(--signal);
  transform:scaleX(0); transform-origin:left;
  transition:transform .25s ease;
}
.nav a:hover::after, .nav a[aria-current="page"]::after{ transform:scaleX(1); }
.nav a[aria-current="page"]{ color:var(--signal-dim); }

.nav-toggle{
  display:none;
  background:none; border:2px solid var(--ink); border-radius:var(--radius);
  width:42px; height:38px; cursor:pointer; position:relative;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:""; position:absolute; left:9px; right:9px; height:2px; background:var(--ink);
}
.nav-toggle span{ top:18px; }
.nav-toggle span::before{ top:-7px; }
.nav-toggle span::after{ top:7px; }

@media (max-width: 880px){
  .topbar{ display:none; }
  .nav{
    position:absolute; top:100%; left:0; right:0;
    background:var(--paper); border-bottom:1px solid var(--steel-line);
    flex-direction:column; align-items:stretch;
    display:none;
    padding:6px 0 14px;
  }
  .nav.is-open{ display:flex; }
  .nav a{ padding:12px 24px; }
  .nav-toggle{ display:block; }
}

/* ---------- Hero ---------- */
.hero{
  background:var(--ink);
  color:var(--paper);
  overflow:hidden;
  position:relative;
}
.hero__grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:40px;
  align-items:center;
  padding-top:88px;
  padding-bottom:64px;
}
.hero h1{
  font-size:clamp(34px, 5vw, 60px);
  line-height:1.04;
  color:var(--white);
  margin-bottom:20px;
}
.hero h1 em{ font-style:normal; color:var(--signal); }
.hero p.lead{
  font-size:17px;
  color:#c9cfd3;
  max-width:46ch;
  margin-bottom:32px;
}
.hero__actions{ display:flex; gap:14px; flex-wrap:wrap; }

.btn{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--f-display); text-transform:uppercase; letter-spacing:.04em; font-size:14px;
  padding:14px 26px;
  border-radius:var(--radius);
  border:2px solid transparent;
  cursor:pointer;
  transition:transform .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
}
.btn--primary{ background:var(--signal); color:var(--white); }
.btn--primary:hover{ background:var(--signal-dim); transform:translateY(-2px); }
.btn--ghost{ border-color:#4b565f; color:var(--paper); }
.btn--ghost:hover{ border-color:var(--signal); color:var(--signal); transform:translateY(-2px); }
.btn--dark{ background:var(--ink); color:var(--white); }
.btn--dark:hover{ background:#000; transform:translateY(-2px); }

/* Bellows illustration */
.bellows{
  --n:7;
  display:flex;
  height:260px;
  align-items:stretch;
  filter:drop-shadow(0 18px 30px rgba(0,0,0,.35));
}
.bellows__fold{
  flex:1;
  background:linear-gradient(180deg,#5a6670,#333c43);
  clip-path:polygon(50% 0, 100% 10%, 100% 90%, 50% 100%, 0 90%, 0 10%);
  margin:0 -6px;
  position:relative;
  transition:transform .5s ease;
}
.bellows__fold:nth-child(odd){ background:linear-gradient(180deg,#e2531f,#9c3c17); }
.hero:hover .bellows__fold{ transform:scaleY(.93); }

/* ---------- Section headings ---------- */
.section-head{
  display:flex; justify-content:space-between; align-items:flex-end; gap:24px;
  margin-bottom:40px; flex-wrap:wrap;
}
.section-head h2{ font-size:clamp(26px,3.4vw,38px); margin:0; }
.section-head p{ color:var(--steel); max-width:46ch; margin:0; }

/* ---------- Değerler / stat strip ---------- */
.stats{
  background:var(--white);
  border-top:1px solid var(--steel-line);
  border-bottom:1px solid var(--steel-line);
}
.stats .container{
  display:grid; grid-template-columns:repeat(4,1fr);
  gap:0;
}
.stat{
  padding:34px 20px;
  text-align:center;
  border-left:1px solid var(--steel-line);
}
.stat:first-child{ border-left:none; }
.stat b{
  display:block; font-family:var(--f-display); font-size:15px; letter-spacing:.03em;
  text-transform:uppercase; color:var(--ink);
}
.stat span{ display:block; font-family:var(--f-mono); font-size:12px; color:var(--steel); margin-top:6px; letter-spacing:.04em;}
@media (max-width:700px){
  .stats .container{ grid-template-columns:repeat(2,1fr); }
  .stat{ border-left:none; border-top:1px solid var(--steel-line); }
  .stat:nth-child(odd){ border-left:none; }
}

/* ---------- Hakkımızda özet (index) ---------- */
.about-split{ padding-top:88px; padding-bottom:88px; }
.about-split__grid{
  display:grid; grid-template-columns:.9fr 1.1fr; gap:60px; align-items:center;
}
.about-split figure{ margin:0; position:relative; }
.about-split img{ width:100%; height:auto; border:1px solid var(--steel-line); }
.about-split figcaption{
  position:absolute; left:-18px; bottom:-18px;
  background:var(--signal); color:var(--white);
  font-family:var(--f-mono); font-size:12px; letter-spacing:.06em;
  padding:10px 16px;
}
.about-split .body p{ color:var(--steel); }
.value-list{ margin-top:24px; display:grid; grid-template-columns:1fr 1fr; gap:14px 24px; }
.value-list li{
  font-family:var(--f-mono); font-size:13.5px; letter-spacing:.03em;
  padding-left:22px; position:relative; color:var(--ink);
}
.value-list li::before{
  content:"◆"; color:var(--signal); position:absolute; left:0; top:0; font-size:11px;
}

/* ---------- Hizmet kartları ---------- */
.services{ padding:88px 0; }
.service-grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:2px;
  background:var(--steel-line);
  border:1px solid var(--steel-line);
}
.service-card{
  background:var(--white);
  display:flex; flex-direction:column;
}
.service-card__media{
  aspect-ratio:4/3; overflow:hidden; position:relative; background:var(--ink);
}
.service-card__media img{ width:100%; height:100%; object-fit:cover; transition:transform .5s ease; }
.service-card:hover .service-card__media img{ transform:scale(1.06); }
.service-card__tag{
  position:absolute; top:12px; left:12px;
  background:rgba(20,24,28,.82); color:var(--paper);
  font-family:var(--f-mono); font-size:11px; letter-spacing:.08em;
  padding:5px 9px; text-transform:uppercase;
}
.service-card__body{ padding:22px 22px 26px; flex:1; display:flex; flex-direction:column; }
.service-card__body h3{ font-size:18px; margin-bottom:10px; }
.service-card__body p{ color:var(--steel); font-size:14.5px; flex:1; }
.service-card__link{
  margin-top:12px; font-family:var(--f-mono); font-size:12.5px; letter-spacing:.05em;
  color:var(--signal-dim); text-transform:uppercase; display:inline-flex; align-items:center; gap:8px;
}
.service-card__link::after{ content:"→"; transition:transform .2s ease; }
.service-card:hover .service-card__link::after{ transform:translateX(4px); }

@media (max-width:900px){ .service-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:600px){ .service-grid{ grid-template-columns:1fr; } }

/* ---------- Süreç şeridi ---------- */
.process{
  background:var(--ink); color:var(--paper); padding:88px 0;
}
.process .section-head h2{ color:var(--white); }
.process .section-head p{ color:#aab2b8; }
.process-grid{
  display:grid; grid-template-columns:repeat(4,1fr); gap:28px;
}
.process-step{ border-top:2px solid var(--signal); padding-top:18px; }
.process-step b{ display:block; font-family:var(--f-mono); font-size:12px; color:var(--signal); margin-bottom:10px; letter-spacing:.08em;}
.process-step h4{ color:var(--white); font-size:16px; margin-bottom:8px; }
.process-step p{ color:#aab2b8; font-size:14px; }
@media (max-width:820px){ .process-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:520px){ .process-grid{ grid-template-columns:1fr; } }

/* ---------- Referanslar ---------- */
.refs{ padding:64px 0 88px; }
.refs-track{
  display:flex; align-items:center; gap:56px; flex-wrap:wrap;
  padding:34px 0; border-top:1px solid var(--steel-line); border-bottom:1px solid var(--steel-line);
}
.refs-track img{ height:38px; width:auto; filter:grayscale(1) contrast(1.05) opacity(.75); transition:filter .2s ease, opacity .2s ease; }
.refs-track img:hover{ filter:none; opacity:1; }

/* ---------- CTA şeridi ---------- */
.cta{
  background:var(--signal); color:var(--white); padding:56px 0;
}
.cta .container{ display:flex; justify-content:space-between; align-items:center; gap:24px; flex-wrap:wrap; }
.cta h2{ color:var(--white); font-size:clamp(22px,3vw,30px); margin:0; }
.cta p{ margin:6px 0 0; color:#ffe4d8; }

/* ---------- Sayfa başlığı (iç sayfalar) ---------- */
.page-hero{
  background:var(--ink); color:var(--paper); padding:64px 0 46px;
}
.page-hero .eyebrow{ color:var(--signal); }
.page-hero h1{ color:var(--white); font-size:clamp(30px,4.4vw,46px); margin-bottom:10px; }
.breadcrumb{ font-family:var(--f-mono); font-size:12px; color:#9aa3a9; letter-spacing:.04em; }
.breadcrumb a:hover{ color:var(--signal); }

/* ---------- Hakkımızda sayfası ---------- */
.story{ padding-top:80px; padding-bottom:80px; }
.story__grid{ display:grid; grid-template-columns:1fr 1fr; gap:60px; }
.story .body p{ color:var(--steel); }
.story blockquote{
  margin:26px 0 0; padding-left:18px; border-left:3px solid var(--signal);
  font-family:var(--f-display); text-transform:none; font-size:19px; color:var(--ink);
}
.story figure img{ border:1px solid var(--steel-line); }
@media (max-width:820px){ .story__grid{ grid-template-columns:1fr; } }

/* ---------- Hizmetlerimiz sayfası - liste ---------- */
.service-list{ padding:80px 0; display:flex; flex-direction:column; }
.service-row{
  display:grid; grid-template-columns:280px 1fr; gap:40px;
  padding:38px 0; border-top:1px solid var(--steel-line);
  align-items:center;
}
.service-list .service-row:last-child{ border-bottom:1px solid var(--steel-line); }
.service-row__media{ aspect-ratio:4/3; overflow:hidden; }
.service-row__media img{ width:100%; height:100%; object-fit:cover; }
.service-row__num{ font-family:var(--f-mono); font-size:12px; color:var(--signal); letter-spacing:.08em; margin-bottom:10px; display:block;}
.service-row h3{ font-size:22px; margin-bottom:10px; }
.service-row p{ color:var(--steel); max-width:60ch; }
@media (max-width:760px){ .service-row{ grid-template-columns:1fr; } }

/* ---------- Foto galeri ---------- */
.gallery{ padding:80px 0; }
.gallery-grid{
  display:grid; grid-template-columns:repeat(4,1fr); gap:10px;
}
.gallery-grid button{
  border:none; padding:0; margin:0; background:none; cursor:zoom-in;
  aspect-ratio:1/1; overflow:hidden; position:relative;
}
.gallery-grid img{ width:100%; height:100%; object-fit:cover; transition:transform .4s ease, filter .4s ease; }
.gallery-grid button:hover img{ transform:scale(1.08); }
.gallery-grid button::after{
  content:"＋"; position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  color:#fff; font-size:22px; background:rgba(20,24,28,0); transition:background .25s ease, opacity .25s ease;
  opacity:0;
}
.gallery-grid button:hover::after{ background:rgba(20,24,28,.35); opacity:1; }
@media (max-width:900px){ .gallery-grid{ grid-template-columns:repeat(3,1fr); } }
@media (max-width:600px){ .gallery-grid{ grid-template-columns:repeat(2,1fr); } }

.lightbox{
  position:fixed; inset:0; background:rgba(10,12,14,.94);
  display:none; align-items:center; justify-content:center; z-index:200; padding:28px;
}
.lightbox.is-open{ display:flex; }
.lightbox img{ max-width:min(90vw,1100px); max-height:86vh; object-fit:contain; border:1px solid #33393f; }
.lightbox__close, .lightbox__prev, .lightbox__next{
  position:absolute; background:none; border:2px solid #566068; color:#fff; cursor:pointer;
  width:44px; height:44px; border-radius:50%; font-family:var(--f-display); font-size:16px;
}
.lightbox__close{ top:20px; right:20px; }
.lightbox__prev{ left:20px; top:50%; transform:translateY(-50%); }
.lightbox__next{ right:20px; top:50%; transform:translateY(-50%); }
.lightbox__close:hover, .lightbox__prev:hover, .lightbox__next:hover{ border-color:var(--signal); color:var(--signal); }

/* ---------- İletişim ---------- */
.contact{ padding-top:80px; padding-bottom:80px; }
.contact-panel{ max-width:760px; margin:0 auto; }
.contact-cards{ display:grid; grid-template-columns:1fr 1fr; gap:2px; background:var(--steel-line); border:1px solid var(--steel-line); }
@media (max-width:560px){ .contact-cards{ grid-template-columns:1fr; } }
.contact-card{ background:var(--white); padding:22px 24px; }
.contact-card b{ display:block; font-family:var(--f-mono); font-size:11.5px; letter-spacing:.1em; color:var(--signal); text-transform:uppercase; margin-bottom:8px;}
.contact-card a, .contact-card span{ font-family:var(--f-display); font-size:17px; }
.map-frame{ margin-top:2px; border:1px solid var(--steel-line); }
.map-frame iframe{ width:100%; height:260px; border:0; display:block; }

.form{ background:var(--white); border:1px solid var(--steel-line); padding:34px; }
.form h3{ font-size:20px; margin-bottom:6px; }
.form p.hint{ color:var(--steel); font-size:14px; margin-bottom:24px; }
.field{ margin-bottom:18px; }
.field label{ display:block; font-family:var(--f-mono); font-size:11.5px; letter-spacing:.08em; text-transform:uppercase; color:var(--steel); margin-bottom:7px;}
.field input, .field textarea{
  width:100%; border:1px solid var(--steel-line); background:var(--paper);
  padding:12px 14px; font-family:var(--f-body); font-size:15px; border-radius:var(--radius);
}
.field textarea{ min-height:120px; resize:vertical; }
.field input:focus, .field textarea:focus{ outline:none; border-color:var(--signal); background:var(--white); }
.form-msg{ margin-top:14px; font-family:var(--f-mono); font-size:13px; }
.form-msg.ok{ color:#1e7a3d; }


/* ---------- Footer ---------- */
.site-footer{ background:var(--ink); color:#c9cfd3; padding:64px 0 0; }
.footer-grid{
  display:grid; grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:40px;
  padding-bottom:48px; border-bottom:1px solid #2a3138;
}
.footer-brand img{ height:38px; margin-bottom:16px; }
.footer-brand p{ color:#9aa3a9; font-size:14px; max-width:34ch; }
.footer-col h4{ color:var(--white); font-size:13px; letter-spacing:.08em; margin-bottom:16px; }
.footer-col ul li{ margin-bottom:10px; }
.footer-col a{ color:#c9cfd3; font-size:14.5px; }
.footer-col a:hover{ color:var(--signal); }
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:10px;
  padding:22px 0; font-family:var(--f-mono); font-size:12px; color:#7d868c;
}
.footer-bottom a:hover{ color:var(--signal); }

@media (max-width:820px){
  .footer-grid{ grid-template-columns:1fr 1fr; gap:32px 24px; }
  .footer-brand{ grid-column:1 / -1; }
}
@media (max-width:520px){
  .footer-grid{ grid-template-columns:1fr; gap:32px; }
  .footer-brand{ grid-column:auto; }
  .footer-bottom{ flex-direction:column; align-items:flex-start; text-align:left; }
}

/* ---------- Yüzen aksiyon butonları (Ara / WhatsApp) ---------- */
.quick-actions{
  position:fixed; right:20px; bottom:20px; z-index:120;
  display:flex; flex-direction:column; gap:12px;
}
.quick-actions a{
  width:54px; height:54px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 10px 24px rgba(0,0,0,.28);
  transition:transform .18s ease, box-shadow .18s ease;
}
.quick-actions a:hover{ transform:translateY(-3px) scale(1.04); box-shadow:0 14px 28px rgba(0,0,0,.34); }
.quick-actions a svg{ width:24px; height:24px; }
.quick-actions__call{ background:var(--signal); color:var(--white); }
.quick-actions__call:hover{ background:var(--signal-dim); }
.quick-actions__wa{ background:#25D366; color:var(--white); }
.quick-actions__wa:hover{ background:#1ebc59; }
@media (max-width:600px){
  .quick-actions{ right:14px; bottom:14px; gap:10px; }
  .quick-actions a{ width:48px; height:48px; }
  .quick-actions a svg{ width:21px; height:21px; }
}

/* ---------- Yardımcı ---------- */
.sr-only{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden;
  clip:rect(0,0,0,0); white-space:nowrap; border:0;
}
.reveal{ opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease; }
.reveal.is-visible{ opacity:1; transform:none; }

@media (max-width:900px){
  .hero__grid{ grid-template-columns:1fr; padding-top:56px; }
  .bellows{ height:170px; }
  .about-split__grid{ grid-template-columns:1fr; }
  .about-split, .story, .contact{ padding-top:64px; padding-bottom:64px; }
  .services, .process, .refs, .service-list, .gallery{ padding-top:64px; padding-bottom:64px; }
}