/* ============================================================
   PROKON MİMARLIK — cinematic architectural site
   ============================================================ */

:root{
  --bg:#0a0c11;
  --bg-2:#0d1017;
  --ink:#eef2f8;
  --muted:#8b95a7;
  --faint:#5a6577;
  --line:rgba(140,162,205,0.14);
  --line-2:rgba(140,162,205,0.28);
  --blue:#5b8cff;
  --blue-bright:#7fa4ff;
  --blue-soft:rgba(91,140,255,0.55);
  --concrete:#9aa3b0;

  --serif:"Cormorant Garamond",Georgia,serif;
  --sans:"Space Grotesk",system-ui,sans-serif;
  --mono:"Space Mono","SF Mono",monospace;

  --pad:clamp(22px,5vw,90px);
  --maxw:1320px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:auto}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-weight:300;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:var(--blue);color:#05070c}

a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* ---------- fixed 3D canvas ---------- */
#scene{
  position:fixed;inset:0;
  width:100vw;height:100vh;
  z-index:0;
  display:block;
}
/* cinematic vignette + legibility scrim over the canvas */
#veil{
  position:fixed;inset:0;z-index:1;pointer-events:none;
  background:
    linear-gradient(90deg, rgba(8,10,15,0.82) 0%, rgba(8,10,15,0.5) 34%, rgba(8,10,15,0.08) 60%, transparent 78%),
    radial-gradient(125% 95% at 64% 22%, transparent 34%, rgba(7,9,13,0.5) 100%),
    linear-gradient(180deg, rgba(7,9,13,0.4) 0%, transparent 20%, transparent 72%, rgba(7,9,13,0.6) 100%);
}
#grain{
  position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* ---------- content layer ---------- */
main{position:relative;z-index:2}
section{
  position:relative;
  padding:clamp(90px,13vh,170px) var(--pad);
}
.wrap{max-width:var(--maxw);margin:0 auto;width:100%}

/* labels / blueprint annotations */
.tag{
  font-family:var(--mono);
  font-size:11px;letter-spacing:.32em;text-transform:uppercase;
  color:var(--blue-bright);
  display:inline-flex;align-items:center;gap:12px;
}
.tag::before{
  content:"";width:34px;height:1px;background:var(--blue-soft);
}
.eyebrow{
  font-family:var(--mono);font-size:11px;letter-spacing:.3em;
  text-transform:uppercase;color:var(--faint);
}

h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.02;letter-spacing:-.01em}
.display{
  font-size:clamp(46px,9vw,138px);
  font-weight:300;
  letter-spacing:-.015em;
}
.display em{font-style:italic;color:var(--blue-bright)}
.h-sec{font-size:clamp(34px,5.4vw,76px);font-weight:300}
.lede{
  font-size:clamp(17px,1.55vw,22px);
  color:var(--muted);font-weight:300;max-width:54ch;
  text-wrap:pretty;
}

/* ============ NAV / HUD ============ */
.topbar{
  position:fixed;top:0;left:0;right:0;z-index:20;
  display:flex;align-items:center;justify-content:space-between;
  padding:22px var(--pad);
  mix-blend-mode:normal;
}
.brand{display:flex;align-items:center;gap:14px;font-family:var(--sans)}
.brand .mark{
  width:30px;height:30px;border:1px solid var(--line-2);position:relative;flex:0 0 auto;
}
.brand .mark::before,.brand .mark::after{
  content:"";position:absolute;background:var(--blue);
}
.brand .mark::before{left:50%;top:4px;bottom:4px;width:1px;transform:translateX(-50%)}
.brand .mark::after{top:50%;left:4px;right:4px;height:1px;transform:translateY(-50%);background:var(--line-2)}
.brand b{font-weight:500;letter-spacing:.16em;font-size:13px;text-transform:uppercase}
.brand span{font-family:var(--mono);font-size:10px;letter-spacing:.28em;color:var(--faint);display:block;margin-top:2px}

.nav{display:flex;gap:30px}
.nav a{
  font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--muted);transition:color .35s;position:relative;padding:4px 0;
}
.nav a:hover{color:var(--ink)}
.nav a::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--blue);transition:width .4s}
.nav a:hover::after{width:100%}
.menu-btn{display:none}

/* corner HUD readouts */
.hud{
  position:fixed;z-index:15;font-family:var(--mono);font-size:10px;
  letter-spacing:.18em;color:var(--faint);text-transform:uppercase;pointer-events:none;
}
.hud-bl{left:var(--pad);bottom:22px}
.hud-br{right:var(--pad);bottom:22px;text-align:right}
.hud .v{color:var(--blue-bright)}
.progress-rail{
  position:fixed;left:var(--pad);right:var(--pad);bottom:14px;height:1px;
  background:var(--line);z-index:14;
}
.progress-rail i{position:absolute;left:0;top:0;height:100%;width:0;background:var(--blue);box-shadow:0 0 10px var(--blue-soft)}

/* ============ HERO ============ */
.hero{min-height:100svh;display:flex;align-items:flex-end;padding-bottom:clamp(70px,12vh,130px)}
.hero .wrap{display:flex;flex-direction:column;gap:30px}
.hero .display{max-width:18ch}
.hero-row{display:flex;flex-wrap:wrap;gap:40px 60px;align-items:flex-end;justify-content:space-between}
.scrollcue{display:flex;align-items:center;gap:14px;font-family:var(--mono);font-size:10px;letter-spacing:.28em;text-transform:uppercase;color:var(--faint)}
.scrollcue .line{width:1px;height:46px;background:linear-gradient(var(--blue),transparent);position:relative;overflow:hidden}
.scrollcue .line::after{content:"";position:absolute;left:0;top:-50%;width:100%;height:50%;background:var(--blue-bright);animation:drop 2.4s ease-in-out infinite}
@keyframes drop{0%{top:-50%}60%,100%{top:100%}}

/* ============ generic blocks ============ */
.colset{display:grid;grid-template-columns:1fr;gap:clamp(30px,5vw,80px)}
@media(min-width:860px){.colset{grid-template-columns:0.9fr 1.1fr}}
.sec-head{display:flex;flex-direction:column;gap:20px;margin-bottom:clamp(40px,7vh,90px)}

.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,4vw,60px);margin-top:50px;border-top:1px solid var(--line);padding-top:36px}
.stats .n{font-family:var(--serif);font-size:clamp(40px,5vw,66px);font-weight:300;letter-spacing:-.02em}
.stats .n b{color:var(--blue-bright);font-weight:300}
.stats .l{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-top:8px}

/* services */
.services-grid{display:grid;grid-template-columns:1fr;border-top:1px solid var(--line)}
@media(min-width:760px){.services-grid{grid-template-columns:1fr 1fr}}
.svc{
  border-bottom:1px solid var(--line);padding:38px 0;
  display:grid;grid-template-columns:54px 1fr;gap:24px;align-items:start;
  transition:background .4s, padding-left .4s;
}
@media(min-width:760px){.svc:nth-child(odd){border-right:1px solid var(--line);padding-right:48px}
.svc:nth-child(even){padding-left:48px}}
.svc:hover{background:rgba(91,140,255,0.04)}
.svc .no{font-family:var(--mono);font-size:12px;color:var(--blue);letter-spacing:.1em;padding-top:6px}
.svc h3{font-family:var(--sans);font-weight:500;font-size:21px;letter-spacing:-.01em;margin-bottom:10px}
.svc p{color:var(--muted);font-size:15px;max-width:42ch}

/* process */
.process-list{display:flex;flex-direction:column}
.step{
  display:grid;grid-template-columns:120px 1fr;gap:30px;
  padding:clamp(28px,4.5vh,46px) 0;border-top:1px solid var(--line);align-items:baseline;
}
.step:last-child{border-bottom:1px solid var(--line)}
.step .idx{font-family:var(--mono);font-size:13px;color:var(--blue);letter-spacing:.1em}
.step .idx em{display:block;color:var(--faint);font-style:normal;margin-top:8px;font-size:10px;letter-spacing:.22em;text-transform:uppercase}
.step h3{font-family:var(--serif);font-size:clamp(26px,3.4vw,44px);font-weight:300}
.step p{color:var(--muted);font-size:15.5px;max-width:60ch;margin-top:14px}
@media(max-width:640px){.step{grid-template-columns:1fr;gap:12px}}

/* portfolio */
.port-grid{display:grid;grid-template-columns:1fr;gap:clamp(18px,2.4vw,34px)}
@media(min-width:720px){.port-grid{grid-template-columns:1fr 1fr}}
.shot{
  position:relative;border:1px solid var(--line);overflow:hidden;
  background:linear-gradient(160deg,#10141d,#0a0d13);
  aspect-ratio:4/3;display:block;
  transition:border-color .5s;
}
.shot.featured{grid-column:1 / -1;aspect-ratio:21/9}
@media(max-width:719px){.shot.featured{aspect-ratio:4/3}}
.shot img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  filter:saturate(0.92) contrast(1.02) brightness(0.88);
  transform:scale(1.02);
  transition:transform 1.1s cubic-bezier(.2,.7,.2,1), filter .6s;
}
.shot:hover img{transform:scale(1.07);filter:saturate(1) contrast(1.04) brightness(0.96)}
.shot:hover{border-color:var(--blue-soft)}
.shot .meta{position:absolute;left:22px;right:22px;bottom:18px;display:flex;flex-direction:column;align-items:flex-start;gap:8px;z-index:2}
.shot .pname{font-family:var(--serif);font-size:24px;font-weight:400;line-height:1.05}
.shot.featured .pname{font-size:clamp(28px,3.4vw,46px)}
.shot .ptype{font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--blue-bright);text-align:left}
.shot .ph{position:absolute;top:16px;left:22px;font-family:var(--mono);font-size:10px;letter-spacing:.22em;color:var(--blue-bright);text-transform:uppercase;z-index:2;background:rgba(8,10,15,0.5);padding:5px 10px;border:1px solid var(--line)}
.shot::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(7,9,13,0.85) 100%);z-index:1}

/* construction mgmt — feature rows */
.feat{display:grid;grid-template-columns:1fr;gap:0;border-top:1px solid var(--line)}
.feat .row{display:grid;grid-template-columns:140px 1fr auto;gap:24px;align-items:center;padding:30px 0;border-bottom:1px solid var(--line)}
.feat .row .k{font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--blue-bright)}
.feat .row .d{color:var(--muted);font-size:15.5px;max-width:60ch}
.feat .row .pct{font-family:var(--serif);font-size:34px;color:var(--ink);font-weight:300}
@media(max-width:640px){.feat .row{grid-template-columns:1fr;gap:8px}.feat .row .pct{font-size:28px}}

/* why prokon */
.why-grid{display:grid;grid-template-columns:1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
@media(min-width:680px){.why-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1040px){.why-grid{grid-template-columns:repeat(4,1fr)}}
.why{background:var(--bg);padding:40px 30px;min-height:230px;display:flex;flex-direction:column;justify-content:space-between;transition:background .45s}
.why:hover{background:var(--bg-2)}
.why .n{font-family:var(--mono);font-size:11px;color:var(--blue);letter-spacing:.12em}
.why h3{font-family:var(--sans);font-weight:500;font-size:19px;margin-bottom:10px;letter-spacing:-.01em}
.why p{color:var(--muted);font-size:14px}

/* contact */
.contact{min-height:96svh;display:flex;align-items:center}
.contact .display{max-width:14ch}
.contact-grid{display:grid;grid-template-columns:1fr;gap:50px;margin-top:46px;align-items:end}
@media(min-width:860px){.contact-grid{grid-template-columns:1.2fr 1fr}}
.cbtn{
  display:inline-flex;align-items:center;gap:16px;align-self:flex-start;
  font-family:var(--mono);font-size:12px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--ink);border:1px solid var(--line-2);padding:18px 28px;border-radius:2px;
  transition:background .4s,border-color .4s,color .4s;
}
.cbtn:hover{background:var(--blue);border-color:var(--blue);color:#06080d}
.cbtn .arr{transition:transform .4s}
.cbtn:hover .arr{transform:translateX(6px)}
.cinfo{display:flex;flex-direction:column;gap:26px}
.cinfo .row .k{font-family:var(--mono);font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:var(--faint);margin-bottom:6px}
.cinfo .row .v{font-size:17px;color:var(--ink);font-weight:300}
.cinfo .row .v a{transition:color .3s;border-bottom:1px solid transparent}
.cinfo .row .v a:hover{color:var(--blue-bright);border-bottom-color:var(--blue-soft)}

footer{
  position:relative;z-index:2;border-top:1px solid var(--line);
  padding:36px var(--pad);display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;
  font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--faint);
}

/* reveal base */
.reveal{will-change:transform,opacity}

/* legibility insurance for text sitting over the 3D model */
main p, .lede, .tag, .eyebrow, .stats, .step, .svc, .feat, .cinfo,
.shot .meta, .shot .ph, .why p, .why h3{
  text-shadow:0 1px 22px rgba(7,9,13,0.55), 0 1px 3px rgba(7,9,13,0.4);
}
.display, .h-sec{text-shadow:0 2px 40px rgba(7,9,13,0.5)}

@media(max-width:760px){
  .nav{display:none}
  .menu-btn{display:flex;font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--muted);background:none;border:1px solid var(--line);padding:8px 14px;text-transform:uppercase;cursor:pointer;z-index:30;transition:color .3s,border-color .3s}
  .menu-btn:hover{color:var(--ink);border-color:var(--line-2)}
  .hud-br{display:none}
  .topbar{padding:18px var(--pad)}
  .brand b{font-size:12px}
  .brand span span{font-size:9px}
  /* a touch more vertical breathing room + safe text wrapping on phones */
  section{padding-left:max(22px,env(safe-area-inset-left));padding-right:max(22px,env(safe-area-inset-right))}
  .hero-row{gap:26px}
  .stats{grid-template-columns:1fr;gap:22px}
  .stats .n{font-size:46px}
  .hud-bl{font-size:9px}
  .hero .display{font-size:clamp(38px,12vw,60px)}
  .contact .display{font-size:clamp(40px,13vw,64px)}
}
@media(max-width:420px){
  .why-grid{grid-template-columns:1fr}
}

/* ============ MOBILE MENU OVERLAY ============ */
.mobile-menu{
  position:fixed;inset:0;z-index:40;
  background:rgba(8,10,15,0.97);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  display:flex;flex-direction:column;justify-content:center;
  padding:var(--pad);
  opacity:0;visibility:hidden;transform:translateY(-12px);
  transition:opacity .5s ease,transform .5s ease,visibility .5s;
}
.mobile-menu.open{opacity:1;visibility:visible;transform:translateY(0)}
.mm-close{
  position:absolute;top:20px;right:var(--pad);
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);background:none;border:1px solid var(--line);padding:8px 14px;cursor:pointer;
}
.mm-nav{display:flex;flex-direction:column;gap:6px}
.mm-nav a{
  font-family:var(--serif);font-size:clamp(30px,9vw,46px);font-weight:300;
  display:flex;align-items:baseline;gap:18px;padding:8px 0;
  border-bottom:1px solid var(--line);
}
.mm-nav a span{font-family:var(--mono);font-size:12px;color:var(--blue);letter-spacing:.1em}
.mm-foot{
  position:absolute;left:var(--pad);bottom:26px;
  font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--faint);
}