:root{
  --bg: #E7E2D7;
  --bg-card: #F5F2EA;
  --ink: #1C2B33;
  --ink-soft: #51606A;
  --line: #B6AC97;
  --blue: #28495A;
  --signal: #BD4430;
  --signal-soft: #E3CDB7;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:'Source Serif 4', serif;
  font-size:17px;
  line-height:1.6;
  position:relative;
}
.bg-side{
  position:fixed;
  top:0;left:0;bottom:0;
  width:150px;
  z-index:0;
  opacity:.45;
  pointer-events:none;
  overflow:hidden;
  display:none;
}
.bg-side img{width:100%;height:100%;object-fit:cover;object-position:center;}
header, main, footer{position:relative;z-index:2;}
@media (min-width:1320px){
  .bg-side{display:block;}
  body{padding-left:150px;}
}
img,svg{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
.container{max-width:1180px;margin:0 auto;padding:0 28px;}
.eyebrow{
  font-family:'JetBrains Mono',monospace;
  font-size:12.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--signal);
  font-weight:700;
}
h1,h2,h3{
  font-family:'Big Shoulders Display',sans-serif;
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:.01em;
  margin:0;
  color:var(--ink);
}
h2{font-size:clamp(28px,4vw,42px); line-height:1.05;}
p{margin:0;}
.mono{font-family:'JetBrains Mono',monospace;}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-family:'JetBrains Mono',monospace;
  font-size:13px;letter-spacing:.06em;text-transform:uppercase;
  padding:13px 22px;border:1.5px solid var(--ink);
  background:transparent;color:var(--ink);font-weight:500;
  transition:background .2s,color .2s;
  cursor:pointer;
}
.btn:hover{background:var(--ink);color:var(--bg-card);}
.btn.primary{background:var(--signal);border-color:var(--signal);color:#fff;}
.btn.primary:hover{background:#9c3422;border-color:#9c3422;color:#fff;}
.placeholder{border-bottom:2px dashed var(--signal);color:var(--signal);cursor:help;}

/* ---------- HEADER ---------- */
header{position:sticky;top:0;z-index:50;background:rgba(231,226,215,.94);backdrop-filter:blur(6px);border-bottom:1px solid var(--line);}
.navwrap{display:flex;align-items:center;justify-content:space-between;height:74px;}
.logo{font-family:'Big Shoulders Display',sans-serif;font-weight:900;font-size:21px;letter-spacing:.02em;display:flex;align-items:center;}
.logo img{height:64px;width:auto;display:block;}
nav.links{display:flex;gap:30px;font-family:'JetBrains Mono',monospace;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;}
nav.links a{padding:6px 0;border-bottom:1px solid transparent;}
nav.links a:hover,nav.links a.active{border-bottom-color:var(--signal);color:var(--signal);}
.navcta{display:flex;align-items:center;gap:16px;}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;border:none;background:none;padding:4px;}
.burger span{width:24px;height:2px;background:var(--ink);display:block;}
.mobile-menu{display:none;flex-direction:column;border-top:1px solid var(--line);}
.mobile-menu a{padding:16px 28px;border-bottom:1px solid var(--line);font-family:'JetBrains Mono',monospace;font-size:13px;letter-spacing:.06em;text-transform:uppercase;}
.mobile-menu.open{display:flex;}

/* ---------- HOME HERO ---------- */
#hero{
  position:relative;padding:64px 0 80px;
  background-image:linear-gradient(var(--bg) 0%, var(--bg) 100%),
    repeating-linear-gradient(0deg, rgba(40,73,90,.06) 0 1px, transparent 1px 56px),
    repeating-linear-gradient(90deg, rgba(40,73,90,.06) 0 1px, transparent 1px 56px);
  overflow:hidden;
}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;}
.hero-copy h1{font-size:clamp(36px,5.4vw,64px);line-height:1.02;margin:14px 0 22px;}
.hero-copy h1 em{font-style:normal;color:var(--blue);}
.hero-sub{font-size:18.5px;color:var(--ink-soft);max-width:480px;margin-bottom:30px;}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;}
.hero-photo{position:relative;}
.hero-illus{width:100%;height:420px;display:block;border:1px solid var(--line);}
.hero-photo img.hero-illus{object-fit:cover;}
.proj-illus{width:100%;height:190px;display:block;}
img.proj-illus{object-fit:cover;}
.avatar-stamp img{width:100%;height:100%;object-fit:cover;}
.kunye{position:relative;background:var(--bg-card);border:1px solid var(--line);padding:18px 20px 16px;margin-top:-58px;margin-left:24px;width:fit-content;box-shadow:6px 6px 0 rgba(28,43,51,.06);}
.kunye::before,.kunye::after{content:"";position:absolute;width:11px;height:11px;}
.kunye::before{top:-1px;left:-1px;border-top:2px solid var(--signal);border-left:2px solid var(--signal);}
.kunye::after{bottom:-1px;right:-1px;border-bottom:2px solid var(--signal);border-right:2px solid var(--signal);}
.kunye-title{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft);border-bottom:1px solid var(--line);padding-bottom:8px;margin-bottom:10px;}
.kunye-row{display:flex;justify-content:space-between;gap:18px;font-family:'JetBrains Mono',monospace;font-size:13px;padding:4px 0;}
.kunye-row .k{color:var(--ink-soft);letter-spacing:.05em;}
.kunye-row .v{font-weight:700;text-align:right;}

/* ---------- PAGE HERO (inner pages) ---------- */
.page-hero{background:var(--blue);color:#EFE9DC;padding:64px 0 56px;}
.page-hero .eyebrow{color:var(--signal-soft);}
.page-hero h1{color:#fff;font-size:clamp(32px,5vw,52px);margin-top:12px;}
.page-hero p{color:#C8D2D3;font-size:17px;margin-top:14px;max-width:540px;}

/* ---------- SECTIONS GENERIC ---------- */
section{padding:84px 0;}
.section-head{max-width:640px;margin-bottom:48px;}
.section-head .eyebrow{display:block;margin-bottom:10px;}
.section-head p{color:var(--ink-soft);font-size:18px;margin-top:14px;}

/* ---------- NEDEN ---------- */
.neden-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
.neden-card{background:var(--bg-card);padding:34px 28px;}
.neden-card .num{font-family:'JetBrains Mono',monospace;color:var(--signal);font-size:13px;letter-spacing:.1em;}
.neden-card h3{font-size:21px;margin:14px 0 12px;text-transform:none;letter-spacing:0;}
.neden-card p{color:var(--ink-soft);font-size:15.5px;}

/* ---------- SUREC ---------- */
.surec-band{background:var(--blue);color:#EFE9DC;}
.surec-band .eyebrow{color:var(--signal-soft);}
.surec-band h2{color:#fff;}
.surec-band .section-head p{color:#C8D2D3;}
.stepper{display:flex;justify-content:space-between;position:relative;margin-top:20px;}
.stepper::before{content:"";position:absolute;top:17px;left:0;right:0;height:1px;background:rgba(239,233,220,.3);}
.step{position:relative;flex:1;padding-right:18px;}
.step:last-child{padding-right:0;}
.step .badge{width:36px;height:36px;border:1.5px solid #EFE9DC;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:'JetBrains Mono',monospace;font-size:13px;font-weight:700;background:var(--blue);position:relative;z-index:2;margin-bottom:18px;}
.step h3{font-size:15.5px;letter-spacing:.02em;margin-bottom:8px;color:#fff;}
.step p{font-size:14px;color:#C8D2D3;line-height:1.5;}
.step-list{list-style:none;padding:0;margin:10px 0 0;display:flex;flex-direction:column;gap:6px;}
.step-list li{font-family:'JetBrains Mono',monospace;font-size:12px;color:#C8D2D3;padding-left:14px;position:relative;}
.step-list li::before{content:"–";position:absolute;left:0;color:var(--signal-soft);}

/* ---------- SAYILAR ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);text-align:center;}
.stat .num{font-family:'Big Shoulders Display',sans-serif;font-weight:900;font-size:clamp(34px,5vw,52px);color:var(--blue);}
.dim{display:flex;align-items:center;width:64px;margin:12px auto;}
.dim .tick{width:1px;height:8px;background:var(--line);}
.dim .rule{flex:1;height:1px;background:var(--line);}
.stat .label{font-family:'JetBrains Mono',monospace;font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);}

/* ---------- TIMELINE / ABOUT ---------- */
.about-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:start;}
.timeline{border-left:1px solid var(--line);padding-left:22px;display:flex;flex-direction:column;gap:26px;}
.tl-item{position:relative;}
.tl-item::before{content:"";position:absolute;left:-27px;top:3px;width:9px;height:9px;background:var(--signal);border-radius:50%;}
.tl-year{font-family:'JetBrains Mono',monospace;font-size:13px;color:var(--signal);font-weight:700;}
.tl-item p{font-size:15px;color:var(--ink-soft);margin-top:4px;}
.about-text p{color:var(--ink-soft);margin-bottom:16px;}
.about-text p:last-child{margin-bottom:0;}

/* ---------- PROJELER ---------- */
.proj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.proj-card{position:relative;background:var(--bg-card);border:1px solid var(--line);}
.proj-card::before,.proj-card::after{content:"";position:absolute;width:10px;height:10px;}
.proj-card::before{top:-1px;left:-1px;border-top:2px solid var(--blue);border-left:2px solid var(--blue);}
.proj-card::after{bottom:-1px;right:-1px;border-bottom:2px solid var(--blue);border-right:2px solid var(--blue);}
.proj-illus{width:100%;height:190px;display:block;}
.proj-info{padding:16px 18px 18px;}
.proj-info .pname{font-family:'JetBrains Mono',monospace;font-size:13.5px;font-weight:700;letter-spacing:.02em;}
.proj-meta{display:flex;justify-content:space-between;align-items:center;margin-top:8px;font-family:'JetBrains Mono',monospace;font-size:11.5px;color:var(--ink-soft);letter-spacing:.04em;}
.status{color:var(--blue);font-weight:700;}
.proj-map{display:flex;align-items:center;gap:5px;margin-top:10px;font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.04em;color:var(--ink-soft);text-decoration:none;width:fit-content;}
.proj-map:hover{color:var(--signal);}
.proj-map svg{flex-shrink:0;}

/* ---------- EKIP ---------- */
.team-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px;}
.team-card{display:flex;gap:20px;background:var(--bg-card);border:1px solid var(--line);padding:22px;}
.team-card .avatar-stamp{width:96px;height:120px;flex-shrink:0;border:1px solid var(--line);background:var(--bg);display:flex;align-items:center;justify-content:center;position:relative;}
.avatar-stamp::before,.avatar-stamp::after{content:"";position:absolute;width:9px;height:9px;}
.avatar-stamp::before{top:-1px;left:-1px;border-top:2px solid var(--signal);border-left:2px solid var(--signal);}
.avatar-stamp::after{bottom:-1px;right:-1px;border-bottom:2px solid var(--signal);border-right:2px solid var(--signal);}
.avatar-stamp span{font-family:'Big Shoulders Display',sans-serif;font-weight:900;font-size:28px;color:var(--blue);}
.team-card h3{font-size:19px;text-transform:none;letter-spacing:0;margin-bottom:4px;}
.team-role{font-family:'JetBrains Mono',monospace;font-size:11.5px;color:var(--signal);letter-spacing:.06em;text-transform:uppercase;margin-bottom:8px;display:block;}
.team-card p{font-size:14px;color:var(--ink-soft);line-height:1.5;}

/* ---------- CONTACT ---------- */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start;}
.contact-list{display:flex;flex-direction:column;gap:22px;}
.contact-list .ck{font-family:'JetBrains Mono',monospace;font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:5px;display:block;}
.contact-list .cv{font-size:17px;}
.contact-actions{display:flex;flex-direction:column;gap:14px;align-items:flex-start;margin-top:10px;}

/* ---------- FORM ---------- */
.form-grid{display:flex;flex-direction:column;gap:18px;max-width:560px;}
.field{display:flex;flex-direction:column;gap:6px;position:relative;}
.field label{font-family:'JetBrains Mono',monospace;font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);}
.field input,.field textarea{font-family:'Source Serif 4',serif;font-size:16px;background:var(--bg-card);border:1px solid var(--line);padding:12px 14px;color:var(--ink);width:100%;}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--blue);}
.field textarea{min-height:140px;resize:vertical;}
.field.has-error input,.field.has-error textarea{border-color:var(--signal);}
.field-error-icon{display:none;position:absolute;right:14px;top:38px;color:var(--signal);font-size:18px;pointer-events:none;}
.field.has-error .field-error-icon{display:block;}
.field-error-msg{display:none;font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--signal);letter-spacing:.04em;margin-top:2px;}
.field.has-error .field-error-msg{display:block;}
.hp-field{position:absolute;left:-9999px;top:-9999px;}
.form-note{font-size:13px;color:var(--ink-soft);}

/* ---------- FILE UPLOAD ---------- */
.file-drop{border:1.5px dashed var(--line);background:var(--bg-card);padding:20px;text-align:center;cursor:pointer;transition:border-color .2s;}
.file-drop:hover,.file-drop.dragover{border-color:var(--blue);}
.file-drop-label{font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-soft);display:block;margin-bottom:8px;}
.file-drop input[type="file"]{display:none;}
.file-drop-hint{font-size:13px;color:var(--ink-soft);}
.file-chosen{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--blue);margin-top:8px;display:none;}
.file-chosen.visible{display:block;}

/* ---------- FOOTER ---------- */
footer{background:var(--ink);color:#9AA8AC;padding:36px 0 24px;border-top:1px solid rgba(231,226,215,.15);}
.foot-brand{display:flex;align-items:center;gap:14px;margin-bottom:18px;}
.foot-brand img{height:30px;width:auto;filter:brightness(0) invert(1);opacity:.92;}
.foot-brand-tagline{font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:#9AA8AC;}
.foot-row{display:flex;justify-content:space-between;align-items:center;font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:.04em;flex-wrap:wrap;gap:10px;padding-top:18px;border-top:1px solid rgba(231,226,215,.1);}
.foot-row a{color:#E7E2D7;}
.foot-social{display:flex;gap:14px;align-items:center;}
.foot-social a{display:flex;align-items:center;gap:6px;color:#E7E2D7;}
.foot-social a:hover{color:var(--signal-soft);}

/* ---------- LIGHTBOX ---------- */
.lightbox{display:none;position:fixed;inset:0;background:rgba(28,43,51,.92);z-index:200;align-items:center;justify-content:center;padding:24px;}
.lightbox.open{display:flex;}
.lightbox-inner{position:relative;max-width:900px;width:100%;}
.lightbox-inner img{width:100%;max-height:80vh;object-fit:contain;display:block;border:1px solid rgba(255,255,255,.1);}
.lightbox-close{position:absolute;top:-44px;right:0;background:none;border:none;color:#fff;font-size:28px;cursor:pointer;font-family:'JetBrains Mono',monospace;line-height:1;}
.lightbox-caption{font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:#C8D2D3;margin-top:12px;text-align:center;}
.proj-card{cursor:pointer;}
.proj-card:hover img.proj-illus{filter:brightness(.85);transition:filter .2s;}
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion: reduce){.reveal{opacity:1;transform:none;transition:none;}}

/* ---------- RESPONSIVE ---------- */
@media (max-width:880px){
  nav.links{display:none;}
  .burger{display:flex;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-photo{order:-1;}
  .kunye{margin-left:0;margin-top:-40px;}
  .about-grid{grid-template-columns:1fr;gap:36px;}
  .neden-grid{grid-template-columns:1fr;}
  .proj-grid{grid-template-columns:repeat(2,1fr);}
  .team-grid{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;gap:30px;}
  .stats{grid-template-columns:repeat(2,1fr);row-gap:30px;}
  .stepper{flex-direction:column;gap:24px;}
  .stepper::before{display:none;}
  .navwrap{height:64px;}
  .navcta .btn{display:none;}
  .navcta .btn.primary{display:inline-flex;font-size:12px;padding:10px 14px;}
  section{padding:56px 0;}
  h2{font-size:clamp(24px,5vw,36px);}
  .hero-copy h1{font-size:clamp(30px,7vw,48px);}
  .hero-sub{font-size:16px;}
  .hero-illus{height:280px;}
  .kunye-row{font-size:12px;}
  .page-hero{padding:44px 0 36px;}
  .page-hero h1{font-size:clamp(26px,6vw,40px);}
}
@media (max-width:560px){
  .proj-grid{grid-template-columns:1fr;}
  .foot-row{flex-direction:column;text-align:center;}
  .hero-illus{height:220px;}
  .btn{padding:12px 18px;font-size:12px;}
  .hero-ctas{flex-direction:column;}
  .hero-ctas .btn{width:100%;justify-content:center;}
  .contact-actions .btn{width:100%;justify-content:center;}
  .team-card{flex-direction:column;}
  .team-card .avatar-stamp{width:80px;height:100px;}
  .kunye{width:100%;margin-left:0;}
  .lightbox-inner img{max-height:70vh;}
}

/* ---------- QUICK CONTACT ---------- */
.quick-contact{display:none;position:fixed;left:0;right:0;bottom:0;z-index:120;background:var(--ink);border-top:1px solid rgba(231,226,215,.18);}
.quick-contact a{flex:1;text-align:center;padding:13px 10px;font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:#fff;}
.quick-contact a:first-child{background:var(--signal);}
@media (max-width:680px){
  body{padding-bottom:52px;}
  .quick-contact{display:flex;}
}