/* ============================================================
   Kesit Seramik Atölyesi
   Design language: "Teknik Veri Sayfası" (engineering datasheet)
   Millimetre grid · dimension lines · spec tables · R/PEI badges
   Motion: transform / opacity / filter (+ stroke draw) only.
   ============================================================ */

/* ---------- Tokens ---------- */
:root{
  --paper:#E9ECEF;
  --panel:#F3F5F7;
  --panel-2:#FFFFFF;
  --ink:#14181D;
  --ink-2:#454C54;
  --ink-3:#727981;
  --line:#C7CDD4;
  --line-2:#DBE0E5;
  --signal:#F0A500;
  --signal-deep:#B27A00;
  --signal-soft:#FBE7B5;
  --grid-fine:rgba(20,24,29,.038);
  --grid-bold:rgba(20,24,29,.075);
  --ok:#2E7D52;

  --sans:"Space Grotesk",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;

  --shell:1230px;
  --gut:clamp(16px,4vw,40px);
  --radius:4px;

  --z-prog:1200;
  --z-burger:1100;
  --z-mast:1080;
  --z-drawer:1050;
  --z-backdrop:1040;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth }
@media (prefers-reduced-motion:reduce){ html{scroll-behavior:auto} }
body{
  margin:0;
  font-family:var(--sans);
  font-size:clamp(15.5px,.55vw + 14px,17px);
  line-height:1.6;
  color:var(--ink);
  background-color:var(--paper);
  background-image:
    linear-gradient(var(--grid-fine) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid-fine) 1px,transparent 1px),
    linear-gradient(var(--grid-bold) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid-bold) 1px,transparent 1px);
  background-size:9px 9px,9px 9px,90px 90px,90px 90px;
  background-position:0 0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
img{height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.08;letter-spacing:-.015em}
p{margin:0}
::selection{background:var(--signal);color:var(--ink)}

.shell{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--gut)}
.skip-link{
  position:fixed;left:12px;top:-60px;z-index:3000;background:var(--ink);color:#fff;
  padding:10px 16px;border-radius:var(--radius);font:600 13px/1 var(--mono);transition:top .2s;
}
.skip-link:focus{top:12px}
:focus-visible{outline:2.5px solid var(--signal);outline-offset:2px}

/* ---------- Scroll progress (measuring tape) ---------- */
.scroll-progress{
  position:fixed;top:0;left:0;height:3px;width:0;background:var(--signal);
  z-index:var(--z-prog);transition:width .08s linear;
  box-shadow:0 0 0 1px rgba(20,24,29,.12);
}

/* =====================================================
   Header — title block
   ===================================================== */
.masthead{
  position:sticky;top:0;z-index:var(--z-mast);
  background:rgba(233,236,239,.86);
  backdrop-filter:saturate(1.4) blur(9px);
  -webkit-backdrop-filter:saturate(1.4) blur(9px);
  border-bottom:1.5px solid var(--ink);
  transition:box-shadow .25s,background .25s;
}
.masthead.is-scrolled{box-shadow:0 1px 0 var(--ink),0 14px 28px -22px rgba(20,24,29,.5);background:rgba(233,236,239,.95)}
.mast-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:64px}
.brand{display:flex;align-items:center;gap:11px}
.brand-mark{width:38px;height:38px;flex:none}
.brand-txt{display:flex;flex-direction:column;font-weight:700;font-size:16px;letter-spacing:-.01em;line-height:1.05}
.brand-txt>span{
  font:500 9.5px/1.3 var(--mono);letter-spacing:.16em;text-transform:uppercase;
  color:var(--ink-3);margin-top:3px;
}
.nav{display:flex;align-items:center;gap:5px}
.nav a{
  font:500 13.5px/1 var(--sans);color:var(--ink-2);padding:9px 11px;border-radius:var(--radius);
  position:relative;transition:color .18s,background .18s;
}
.nav a::after{
  content:"";position:absolute;left:11px;right:11px;bottom:4px;height:2px;background:var(--signal);
  transform:scaleX(0);transform-origin:left;transition:transform .22s;
}
.nav a:hover{color:var(--ink)}
.nav a:hover::after,.nav a.is-active::after{transform:scaleX(1)}
.nav a.is-active{color:var(--ink)}
.nav a.nav-cta{
  background:var(--signal);color:var(--ink);font-weight:600;padding:9px 16px;border:1.5px solid var(--ink);
}
.nav a.nav-cta::after{display:none}
.nav a.nav-cta:hover{background:var(--ink);color:var(--signal)}

.burger{display:none;width:46px;height:42px;border:1.5px solid var(--ink);background:var(--panel-2);
  border-radius:var(--radius);position:relative;cursor:pointer;z-index:var(--z-burger)}
.burger span{position:absolute;left:11px;right:11px;height:2px;background:var(--ink);transition:transform .26s,opacity .2s}
.burger span:nth-child(1){top:14px}
.burger span:nth-child(2){top:20px}
.burger span:nth-child(3){top:26px}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- Drawer ---------- */
.drawer-backdrop{position:fixed;inset:0;background:rgba(20,24,29,.46);opacity:0;visibility:hidden;
  transition:opacity .3s,visibility .3s;z-index:var(--z-backdrop)}
.drawer-backdrop.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100dvh;width:min(86vw,330px);background:var(--paper);
  border-left:1.5px solid var(--ink);z-index:var(--z-drawer);padding:84px 24px 28px;
  display:flex;flex-direction:column;gap:3px;transform:translateX(102%);transition:transform .32s cubic-bezier(.4,.01,.2,1);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer>a{font:600 17px/1 var(--sans);padding:13px 0;border-bottom:1px solid var(--line);color:var(--ink)}
.drawer>a.drawer-cta,.drawer a.drawer-cta{
  margin-top:14px;background:var(--signal);color:var(--ink);border:1.5px solid var(--ink);border-radius:var(--radius);
  text-align:center;padding:13px;font-weight:700;border-bottom:1.5px solid var(--ink);
}
.drawer-meta{margin-top:auto;padding-top:20px;font:400 12.5px/1.8 var(--mono);color:var(--ink-2);border-top:1.5px solid var(--ink)}

/* =====================================================
   Section scaffolding
   ===================================================== */
.section{padding:clamp(54px,8vw,104px) 0}
.band--panel{background:var(--panel)}
.band--ink{background:var(--ink);color:var(--paper)}
.band--ink h1,.band--ink h2,.band--ink h3{color:#fff}
.band--signal{background:var(--signal);color:var(--ink)}

/* Section header / eyebrow (NO running index numbers) */
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font:600 11.5px/1 var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--ink-2);
}
.eyebrow::before{content:"";width:13px;height:13px;background:var(--signal);border:1.5px solid var(--ink);flex:none}
.band--ink .eyebrow{color:#AEB6BE}
.band--signal .eyebrow{color:var(--ink)}
.band--signal .eyebrow::before{background:var(--ink);border-color:var(--ink)}

.head{max-width:740px;margin-bottom:clamp(30px,4vw,52px)}
.head .eyebrow{margin-bottom:18px}
.head h2{font-size:clamp(1.75rem,1.1rem + 2.9vw,2.9rem);font-weight:600}
.head .lede{margin-top:16px;color:var(--ink-2);font-size:clamp(15.5px,.4vw + 15px,17.5px);max-width:62ch}
.band--ink .head .lede{color:#B7BEC6}

/* =====================================================
   Buttons
   ===================================================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font:600 13.5px/1 var(--mono);letter-spacing:.02em;
  padding:14px 22px;border:1.5px solid var(--ink);border-radius:var(--radius);
  background:var(--panel-2);color:var(--ink);cursor:pointer;
  transition:background .2s,color .2s,transform .12s,box-shadow .2s;will-change:transform;
}
.btn svg{width:17px;height:17px}
.btn:hover{transform:translateY(-2px);box-shadow:5px 6px 0 -1px var(--ink)}
.btn-accent{background:var(--signal);color:var(--ink)}
.btn-accent:hover{background:var(--ink);color:var(--signal)}
.btn-ghost{background:transparent}
.btn-ghost:hover{background:var(--ink);color:#fff}
.band--ink .btn-ghost{border-color:var(--paper);color:#fff}
.band--ink .btn-ghost:hover{background:var(--signal);color:var(--ink);border-color:var(--ink)}
.band--signal .btn-ghost{border-color:var(--ink)}
.band--signal .btn-ghost:hover{background:var(--ink);color:var(--signal)}
.band--signal .btn:hover{box-shadow:5px 6px 0 -1px rgba(20,24,29,.55)}

/* =====================================================
   Badges (R / PEI / data chips)
   ===================================================== */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font:600 11px/1 var(--mono);letter-spacing:.06em;text-transform:uppercase;
  padding:5px 8px;border:1.4px solid var(--ink);border-radius:3px;background:var(--panel-2);color:var(--ink);
}
.badge b{font-weight:700}
.badge--r{background:var(--signal-soft);border-color:var(--signal-deep)}
.badge--ink{background:var(--ink);color:#fff;border-color:var(--ink)}
.badge-row{display:flex;flex-wrap:wrap;gap:7px}

/* =====================================================
   Reveal / motion utilities
   ===================================================== */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.is-in{opacity:1;transform:none}
.reveal[style*="--i:1"]{transition-delay:.07s}
.reveal[style*="--i:2"]{transition-delay:.14s}
.reveal[style*="--i:3"]{transition-delay:.21s}
.reveal[style*="--i:4"]{transition-delay:.28s}
.reveal[style*="--i:5"]{transition-delay:.35s}
.clip-reveal{clip-path:inset(0 100% 0 0);transition:clip-path .9s cubic-bezier(.7,0,.2,1)}
.clip-reveal.is-in{clip-path:inset(0 0 0 0)}
.no-js .reveal,.no-js .clip-reveal{opacity:1;transform:none;clip-path:none}

/* SVG draw-on (dimension lines "measuring") */
.draw [data-len]{stroke-dasharray:var(--l);stroke-dashoffset:var(--l);transition:stroke-dashoffset 1.15s cubic-bezier(.6,0,.2,1)}
.draw.is-in [data-len]{stroke-dashoffset:0}
.draw [data-len]:nth-of-type(2){transition-delay:.1s}
.draw [data-len]:nth-of-type(3){transition-delay:.2s}
.draw [data-len]:nth-of-type(4){transition-delay:.28s}
.no-js .draw [data-len]{stroke-dashoffset:0}

/* =====================================================
   HERO — product data sheet
   ===================================================== */
.hero{position:relative;padding:clamp(40px,6vw,78px) 0 clamp(48px,7vw,92px);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(30px,4.5vw,68px);align-items:center}

.sheet-no{
  display:inline-flex;align-items:center;gap:10px;flex-wrap:wrap;
  font:600 11px/1.4 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--ink-2);
  padding-bottom:12px;border-bottom:1.5px solid var(--ink);margin-bottom:24px;
}
.sheet-no b{color:var(--ink)}
.sheet-no .tick{width:11px;height:11px;background:var(--signal);border:1.4px solid var(--ink);flex:none}

.hero h1{
  font-size:clamp(2rem,1.15rem + 4vw,3.7rem);font-weight:600;letter-spacing:-.022em;line-height:1.04;
}
.hero h1 .mark{
  background:linear-gradient(transparent 60%,var(--signal) 60%,var(--signal) 94%,transparent 94%);
  -webkit-box-decoration-break:clone;box-decoration-break:clone;padding:0 .04em;
}
.hero-sub{margin-top:20px;color:var(--ink-2);font-size:clamp(15.5px,.4vw + 15px,18px);max-width:52ch}

/* spec readout block under hero copy */
.readout{
  margin-top:26px;border:1.5px solid var(--ink);border-radius:var(--radius);background:var(--panel-2);
  display:grid;grid-template-columns:repeat(2,1fr);overflow:hidden;
}
.readout .ro{padding:13px 15px;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.readout .ro:nth-child(-n+2){border-top:0}
.readout .ro:nth-child(odd){border-left:0}
.readout .ro .k{font:500 10px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}
.readout .ro .v{margin-top:7px;font:600 17px/1.1 var(--mono);color:var(--ink)}
.readout .ro .v small{font-size:11px;color:var(--ink-2);font-weight:500}

.hero-cta{display:flex;flex-wrap:wrap;gap:13px;margin-top:26px}
.trust-strip{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:24px}
.trust-strip span{display:inline-flex;align-items:center;gap:7px;font:500 12px/1.3 var(--mono);color:var(--ink-2)}
.trust-strip svg{width:15px;height:15px;color:var(--signal-deep);flex:none}

/* Blueprint visual */
.hero-visual{min-width:0}
.blueprint{position:relative;padding:40px 18px 20px 46px;
  background:
    linear-gradient(var(--grid-fine) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid-fine) 1px,transparent 1px),
    var(--panel-2);
  background-size:11px 11px,11px 11px,auto;
  border:1.5px solid var(--ink);border-radius:var(--radius);
  box-shadow:9px 11px 0 -1px rgba(20,24,29,.13);
}
.bp-frame{position:relative;border:1.5px solid var(--ink);overflow:hidden;aspect-ratio:4/5}
.bp-frame img{width:100%;height:100%;object-fit:cover;filter:contrast(1.04) saturate(.96)}
.bp-corner{
  position:absolute;font:600 10px/1 var(--mono);letter-spacing:.04em;
  background:var(--ink);color:#fff;padding:4px 7px;z-index:2;
}
.bp-corner.tl{top:0;left:0}
.bp-corner.tr{top:0;right:0;background:var(--signal);color:var(--ink)}
.bp-corner.bl{bottom:0;left:0}
.bp-corner.br{bottom:0;right:0}
/* dimension line — top */
.dim-top{position:absolute;top:18px;left:46px;right:18px;height:18px;display:flex;align-items:center}
.dim-top::before{content:"";position:absolute;left:0;right:0;top:50%;height:1.4px;background:var(--ink)}
.dim-top .cap{position:absolute;top:50%;width:1.4px;height:11px;background:var(--ink);transform:translateY(-50%)}
.dim-top .cap.s{left:0}
.dim-top .cap.e{right:0}
.dim-top .lbl{position:relative;margin:0 auto;background:var(--panel-2);padding:0 8px;
  font:600 10.5px/1 var(--mono);letter-spacing:.06em;color:var(--ink)}
/* dimension line — left */
.dim-left{position:absolute;top:40px;bottom:20px;left:18px;width:18px}
.dim-left::before{content:"";position:absolute;top:0;bottom:0;left:50%;width:1.4px;background:var(--ink)}
.dim-left .cap{position:absolute;left:50%;width:11px;height:1.4px;background:var(--ink);transform:translateX(-50%)}
.dim-left .cap.s{top:0}
.dim-left .cap.e{bottom:0}
.dim-left .lbl{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-90deg);
  background:var(--panel-2);padding:0 8px;white-space:nowrap;
  font:600 10.5px/1 var(--mono);letter-spacing:.06em;color:var(--ink)}

/* =====================================================
   Datum strip (the numbers) — instrument readout, NOT dark 2x2
   ===================================================== */
.datum-strip{
  border:1.5px solid var(--ink);border-radius:var(--radius);background:var(--panel-2);
  display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden;
}
.datum{padding:clamp(18px,2.4vw,28px) clamp(14px,2vw,24px);border-left:1px solid var(--line);position:relative}
.datum:first-child{border-left:0}
.datum .dk{font:500 10px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3)}
.datum .dv{margin-top:12px;font:600 clamp(1.9rem,1.2rem + 2.4vw,2.9rem)/1 var(--mono);color:var(--ink);letter-spacing:-.02em}
.datum .dv .u{font-size:.42em;color:var(--signal-deep);margin-left:3px;letter-spacing:0}
.datum::after{content:"";position:absolute;left:clamp(14px,2vw,24px);bottom:14px;width:22px;height:3px;background:var(--signal)}

/* =====================================================
   Series catalogue cards
   ===================================================== */
.cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr));gap:clamp(16px,2vw,24px)}
.spec-card{
  display:flex;flex-direction:column;background:var(--panel-2);border:1.5px solid var(--ink);border-radius:var(--radius);
  overflow:hidden;transition:transform .3s cubic-bezier(.2,.7,.2,1),box-shadow .3s;will-change:transform;
}
.spec-card:hover{box-shadow:8px 10px 0 -1px rgba(20,24,29,.14)}
.sc-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 13px;border-bottom:1.5px solid var(--ink);background:var(--panel)}
.sc-code{font:600 12px/1 var(--mono);letter-spacing:.08em;color:var(--ink)}
.sc-media{position:relative;aspect-ratio:16/11;overflow:hidden;border-bottom:1.5px solid var(--ink)}
.sc-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.7,.2,1),filter .4s;filter:saturate(.97)}
.spec-card:hover .sc-media img{transform:scale(1.05);filter:saturate(1.05)}
.sc-dim{position:absolute;left:0;bottom:0;background:var(--ink);color:#fff;font:600 10px/1 var(--mono);padding:4px 7px}
.sc-body{padding:15px 15px 6px}
.sc-body h3{font-size:1.18rem;font-weight:600}
.sc-body p{margin-top:8px;color:var(--ink-2);font-size:14px}
.spec-rows{list-style:none;margin:14px 0 0;padding:0;border-top:1px dashed var(--line)}
.spec-rows li{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px dashed var(--line);
  font:500 12.5px/1.2 var(--mono);color:var(--ink-2)}
.spec-rows li b{color:var(--ink);font-weight:600}
.sc-foot{margin-top:auto;padding:13px 15px;border-top:1.5px solid var(--ink);display:flex;align-items:baseline;justify-content:space-between;gap:10px;background:var(--panel)}
.sc-price{font:600 1.25rem/1 var(--mono);color:var(--ink)}
.sc-price small{font-size:11px;color:var(--ink-3);font-weight:500;margin-left:4px}

/* =====================================================
   Technical table block
   ===================================================== */
.teknik-layout{display:grid;grid-template-columns:1.55fr .9fr;gap:clamp(22px,3vw,44px);align-items:start}
.table-scroll{overflow-x:auto;border:1.5px solid var(--ink);border-radius:var(--radius);background:var(--panel-2);-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;min-width:560px}
thead th{
  background:var(--ink);color:#fff;text-align:left;padding:13px 14px;
  font:600 11px/1.2 var(--mono);letter-spacing:.1em;text-transform:uppercase;white-space:nowrap;
}
tbody td{padding:13px 14px;border-top:1px solid var(--line);font-size:14px;color:var(--ink-2)}
tbody tr:nth-child(even) td{background:var(--panel)}
tbody td:first-child{font-weight:600;color:var(--ink)}
.td-mono{font-family:var(--mono);font-size:13px;color:var(--ink);white-space:nowrap}

.teknik-notes{background:var(--panel-2);border:1.5px solid var(--ink);border-radius:var(--radius);padding:clamp(18px,2.4vw,26px)}
.teknik-notes h3{font-size:1.05rem;margin-bottom:6px}
.def-list{margin:0;display:grid;gap:0}
.def-list>div{padding:14px 0;border-top:1px solid var(--line)}
.def-list>div:first-of-type{border-top:0;padding-top:6px}
.def-list dt{font:600 12px/1 var(--mono);letter-spacing:.06em;color:var(--signal-deep);text-transform:uppercase}
.def-list dd{margin:7px 0 0;font-size:13.5px;color:var(--ink-2)}

/* =====================================================
   Application cross-section (sticky)
   ===================================================== */
.uyg-layout{display:grid;grid-template-columns:1fr .92fr;gap:clamp(26px,4vw,56px);align-items:start}
.uyg-figure-wrap{position:sticky;top:96px}
.uyg-figure{margin:0;border:1.5px solid var(--ink);border-radius:var(--radius);overflow:hidden;background:var(--panel-2)}
.uyg-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;display:block;filter:contrast(1.03)}
.uyg-figure .draw{display:block;width:100%;height:auto;
  background:
    linear-gradient(var(--grid-fine) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid-fine) 1px,transparent 1px),var(--panel-2);
  background-size:10px 10px,10px 10px,auto;border-top:1.5px solid var(--ink)}

.uyg-steps{list-style:none;margin:0;padding:0;counter-reset:st}
.uyg-steps li{
  counter-increment:st;display:flex;gap:16px;padding:18px;border:1.5px solid var(--line);border-radius:var(--radius);
  margin-bottom:12px;background:var(--panel-2);transition:border-color .3s,transform .3s,box-shadow .3s;
}
.uyg-steps li::before{
  content:"0" counter(st);font:600 14px/1 var(--mono);color:var(--ink);background:var(--panel);
  border:1.5px solid var(--ink);border-radius:3px;width:38px;height:38px;display:flex;align-items:center;justify-content:center;flex:none;
}
.uyg-steps li.is-active{border-color:var(--ink);box-shadow:6px 7px 0 -1px var(--signal);transform:translateX(3px)}
.uyg-steps li.is-active::before{background:var(--signal)}
.uyg-steps h4{font-size:1.02rem;font-weight:600}
.uyg-steps p{margin-top:5px;color:var(--ink-2);font-size:14px}
.uyg-steps .tag{display:block;margin-top:8px;font:500 11px/1 var(--mono);letter-spacing:.1em;color:var(--ink-3);text-transform:uppercase}

/* =====================================================
   Calculator
   ===================================================== */
.calc-wrap{display:grid;grid-template-columns:1fr 1fr;gap:clamp(18px,2.5vw,30px);align-items:stretch}
.calc-controls{display:flex;flex-direction:column;gap:20px;background:var(--panel-2);border:1.5px solid var(--ink);border-radius:var(--radius);padding:clamp(20px,2.6vw,30px)}
.calc-field label{display:block;font:600 11px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2);margin-bottom:10px}
.calc-field input[type=number]{
  width:100%;font:600 22px/1 var(--mono);color:var(--ink);background:var(--panel);
  border:1.5px solid var(--ink);border-radius:var(--radius);padding:14px 15px;
}
.calc-field input[type=number]:focus{outline:none;border-color:var(--signal-deep);box-shadow:0 0 0 3px var(--signal-soft)}
.seg{display:flex;border:1.5px solid var(--ink);border-radius:var(--radius);overflow:hidden}
.seg button{flex:1;border:0;border-left:1.5px solid var(--ink);background:var(--panel-2);color:var(--ink-2);
  font:600 13px/1 var(--mono);padding:14px 8px;cursor:pointer;transition:background .2s,color .2s}
.seg button:first-child{border-left:0}
.seg button.active{background:var(--signal);color:var(--ink)}
.calc-check{display:flex;align-items:center;gap:11px;font:500 14px/1.3 var(--sans)!important;letter-spacing:0!important;text-transform:none!important;color:var(--ink)!important;cursor:pointer}
.calc-check input{width:20px;height:20px;accent-color:var(--signal-deep);flex:none}

.ticker{background:var(--ink);color:var(--paper);border:1.5px solid var(--ink);border-radius:var(--radius);padding:clamp(20px,2.6vw,30px);display:flex;flex-direction:column}
.ticker h3{color:#fff;font:600 12px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;padding-bottom:14px;border-bottom:1px solid #2c333b;margin-bottom:6px}
.ticker-row{display:flex;justify-content:space-between;gap:14px;align-items:baseline;padding:13px 0;border-bottom:1px solid #262d34}
.ticker-row .k{font-size:13px;color:#AEB6BE}
.ticker-row .v{font:600 16px/1.2 var(--mono);color:#fff;text-align:right}
.ticker-row.total{border-bottom:0;margin-top:6px;padding-top:16px}
.ticker-row.total .k{color:#fff;font-weight:600}
.ticker-row.total .v{font-size:24px;color:var(--signal)}
.ticker-note{margin-top:14px;font:400 11.5px/1.6 var(--mono);color:#8b939b}

/* =====================================================
   Why / spec cells
   ===================================================== */
.spec-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));gap:clamp(14px,1.8vw,20px);margin-top:clamp(28px,4vw,48px)}
.spec-cell{background:var(--panel-2);border:1.5px solid var(--ink);border-radius:var(--radius);padding:clamp(20px,2.4vw,28px);position:relative}
.spec-cell .num-tag{position:absolute;top:14px;right:14px;font:600 11px/1 var(--mono);color:var(--ink-3)}
.spec-mark{width:46px;height:46px;border:1.5px solid var(--ink);border-radius:3px;display:flex;align-items:center;justify-content:center;background:var(--panel);margin-bottom:16px}
.spec-mark svg{width:24px;height:24px;color:var(--ink)}
.spec-cell h3{font-size:1.1rem;font-weight:600}
.spec-cell p{margin-top:8px;color:var(--ink-2);font-size:14px}
.manifesto{font-size:clamp(1.6rem,1rem + 2.6vw,2.7rem);font-weight:600;max-width:18ch;line-height:1.08;margin-top:18px}
.manifesto em{font-style:normal;background:linear-gradient(transparent 60%,var(--signal) 60%);-webkit-box-decoration-break:clone;box-decoration-break:clone;padding:0 .05em}

/* =====================================================
   Pricing
   ===================================================== */
.price-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:clamp(16px,2vw,22px)}
.price-card{display:flex;flex-direction:column;background:var(--panel-2);border:1.5px solid var(--ink);border-radius:var(--radius);padding:clamp(22px,2.6vw,30px);position:relative}
.price-card.featured{box-shadow:9px 11px 0 -1px var(--signal);border-color:var(--ink)}
.price-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.price-head h3{font-size:1.3rem;font-weight:600}
.price-flag{font:600 10px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;background:var(--signal);color:var(--ink);border:1.4px solid var(--ink);padding:5px 8px;border-radius:3px}
.ptag{margin-top:8px;font:500 12px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}
.amount{margin:18px 0 4px;font:600 2.3rem/1 var(--mono);color:var(--ink);letter-spacing:-.02em}
.amount small{font-size:13px;color:var(--ink-3);font-weight:500}
.price-card ul{list-style:none;margin:16px 0 22px;padding:16px 0 0;border-top:1px dashed var(--line);display:grid;gap:11px}
.price-card li{display:flex;gap:10px;font-size:13.5px;color:var(--ink-2);align-items:flex-start}
.price-card li svg{width:17px;height:17px;flex:none;margin-top:1px}
.price-card li.inc svg{color:var(--ok)}
.price-card li.exc{color:var(--ink-3)}
.price-card li.exc svg{color:var(--ink-3)}
.price-card .cfoot{margin-top:auto}
.price-card .cfoot .btn{width:100%}
.price-disclaimer{margin-top:22px;font:400 12px/1.6 var(--mono);color:var(--ink-3)}

/* =====================================================
   Testimonials (field reports)
   ===================================================== */
.testi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,270px),1fr));gap:clamp(16px,2vw,22px)}
.testi{background:var(--panel-2);border:1.5px solid var(--ink);border-radius:var(--radius);padding:clamp(20px,2.4vw,28px);display:flex;flex-direction:column;position:relative}
.testi::before{content:"// SAHA RAPORU";font:600 10px/1 var(--mono);letter-spacing:.14em;color:var(--ink-3);margin-bottom:14px}
.testi p{color:var(--ink);font-size:14.5px;line-height:1.65}
.testi .who{margin-top:auto;padding-top:16px;font:500 12px/1.5 var(--mono);color:var(--ink-2)}
.testi .who b{display:block;color:var(--ink);font-weight:600;font-family:var(--sans);font-size:14px;letter-spacing:-.01em;margin-bottom:2px}

/* =====================================================
   FAQ
   ===================================================== */
.faq-list{border:1.5px solid var(--ink);border-radius:var(--radius);overflow:hidden;background:var(--panel-2)}
.faq-item{border-top:1.5px solid var(--ink)}
.faq-item:first-child{border-top:0}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 52px 18px 20px;position:relative;
  font-weight:600;font-size:1.02rem;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .plus{position:absolute;right:20px;top:50%;width:15px;height:15px;transform:translateY(-50%)}
.faq-item summary .plus::before,.faq-item summary .plus::after{content:"";position:absolute;background:var(--ink);transition:transform .26s}
.faq-item summary .plus::before{left:0;top:6.5px;width:15px;height:2px}
.faq-item summary .plus::after{left:6.5px;top:0;width:2px;height:15px}
.faq-item[open] summary .plus::after{transform:scaleY(0)}
.faq-item[open] summary{color:var(--signal-deep)}
.faq-item .answer{padding:0 20px 20px;color:var(--ink-2);font-size:14.5px;max-width:75ch}
.faq-item .answer p{margin-top:-2px}

/* =====================================================
   CTA band
   ===================================================== */
.cta-band{padding:clamp(56px,8vw,104px) 0;text-align:center}
.cta-band h2{font-size:clamp(1.7rem,1.1rem + 2.6vw,2.8rem);font-weight:600;max-width:20ch;margin-inline:auto}
.cta-band .lede{max-width:56ch;margin-inline:auto;color:var(--ink-2)}
.band--ink.cta-band .lede{color:#B7BEC6}
.avail{display:inline-flex;align-items:center;gap:9px;font:500 12px/1.3 var(--mono);letter-spacing:.04em;
  border:1.4px solid var(--ink);border-radius:40px;padding:8px 15px;margin-bottom:24px;background:rgba(20,24,29,.06)}
.band--signal .avail{background:rgba(20,24,29,.08)}
.band--ink .avail{border-color:#3a424b;background:rgba(255,255,255,.05);color:#cfd5da}
.avail .dot{width:9px;height:9px;border-radius:50%;background:var(--ink);position:relative;flex:none}
.avail .dot::after{content:"";position:absolute;inset:-4px;border-radius:50%;border:1.4px solid var(--ink);opacity:.5;animation:ping 1.8s ease-out infinite}
.band--ink .avail .dot{background:var(--signal)}
.band--ink .avail .dot::after{border-color:var(--signal)}
@keyframes ping{0%{transform:scale(.7);opacity:.6}100%{transform:scale(1.5);opacity:0}}
@media (prefers-reduced-motion:reduce){.avail .dot::after{animation:none}}

/* =====================================================
   Page hero (interior pages)
   ===================================================== */
.page-hero{padding:clamp(46px,7vw,92px) 0 clamp(34px,5vw,60px);border-bottom:1.5px solid var(--ink);
  background:
    linear-gradient(var(--grid-fine) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid-fine) 1px,transparent 1px),var(--panel);
  background-size:11px 11px,11px 11px,auto}
.page-hero .eyebrow{margin-bottom:18px}
.page-hero h1{font-size:clamp(2rem,1.2rem + 3.4vw,3.3rem);font-weight:600;max-width:18ch}
.page-hero p{margin-top:16px;color:var(--ink-2);max-width:60ch;font-size:clamp(15px,.3vw + 15px,17px)}

.contact-hero{padding:clamp(46px,7vw,86px) 0 clamp(20px,3vw,34px)}
.contact-hero .eyebrow{margin-bottom:18px}
.contact-hero h1{font-size:clamp(1.9rem,1.2rem + 3.2vw,3.1rem);font-weight:600;max-width:18ch}
.contact-hero .hero-sub{margin-top:16px;color:var(--ink-2);max-width:56ch}

/* About */
.lead-quote{margin:0;font-size:clamp(1.35rem,.9rem + 1.8vw,2.1rem);font-weight:500;line-height:1.25;
  border-left:4px solid var(--signal);padding-left:clamp(16px,2.4vw,28px);max-width:24ch}
.prose{max-width:68ch;display:grid;gap:16px;color:var(--ink-2);font-size:clamp(15px,.3vw + 15px,16.5px)}
.prose p strong{color:var(--ink)}

.team-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:clamp(16px,2vw,22px)}
.team-card{background:var(--panel-2);border:1.5px solid var(--ink);border-radius:var(--radius);padding:clamp(20px,2.4vw,28px);position:relative}
.team-card .num-tag{position:absolute;top:16px;right:16px;font:600 11px/1 var(--mono);color:var(--ink-3)}
.avatar{width:54px;height:54px;border:1.5px solid var(--ink);border-radius:3px;background:var(--signal-soft);
  display:flex;align-items:center;justify-content:center;font:600 18px/1 var(--mono);color:var(--ink);margin-bottom:16px}
.team-card h3{font-size:1.15rem;font-weight:600}
.role{margin-top:5px;font:500 12px/1.3 var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--signal-deep)}
.team-card p{margin-top:12px;color:var(--ink-2);font-size:13.5px}

.notes-list{border:1.5px solid var(--ink);border-radius:var(--radius);overflow:hidden;background:var(--panel-2)}
.note-item{display:flex;gap:clamp(12px,2vw,26px);padding:16px 18px;border-top:1px solid var(--line);align-items:baseline;flex-wrap:wrap}
.note-item:first-child{border-top:0}
.note-item time{font:600 12px/1.3 var(--mono);color:var(--signal-deep);white-space:nowrap;min-width:104px}
.note-item span{color:var(--ink-2);font-size:14px;flex:1;min-width:0}

/* =====================================================
   Contact channels / hours / form
   ===================================================== */
.channel-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr));gap:clamp(14px,1.8vw,20px)}
.channel{background:var(--panel-2);border:1.5px solid var(--ink);border-radius:var(--radius);padding:clamp(18px,2.2vw,26px);display:flex;flex-direction:column;gap:4px}
.channel-ico{width:44px;height:44px;border:1.5px solid var(--ink);border-radius:3px;background:var(--panel);display:flex;align-items:center;justify-content:center;margin-bottom:10px}
.channel-ico svg{width:22px;height:22px;color:var(--signal-deep)}
.channel h3{font:600 11px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}
.channel a,.channel .val{font-size:15.5px;font-weight:600;color:var(--ink);word-break:break-word}
.channel a:hover{color:var(--signal-deep)}
.channel small{color:var(--ink-3);font-size:12.5px;font-family:var(--mono)}

.hours-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,180px),1fr));gap:10px}
.hours-day{display:flex;flex-direction:column;gap:6px;background:var(--panel-2);border:1.5px solid var(--line);border-radius:var(--radius);padding:15px 16px;min-width:0;transition:border-color .3s,box-shadow .3s}
.hours-day .d{font:600 12px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2)}
.hours-day .h{font-weight:600;font-size:15px;color:var(--ink)}
.hours-day.today{border-color:var(--ink);box-shadow:5px 6px 0 -1px var(--signal)}
.hours-day.today .d{color:var(--signal-deep)}

.form-card{background:var(--panel-2);border:1.5px solid var(--ink);border-radius:var(--radius);padding:clamp(22px,3vw,38px)}
.form-row{display:grid;gap:18px}
.form-row.two{grid-template-columns:1fr 1fr}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.field label{font:600 11px/1.3 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2)}
.field .opt{color:var(--ink-3);font-weight:400;letter-spacing:0}
.field input,.field select,.field textarea{
  font:400 15px/1.5 var(--sans);color:var(--ink);background:var(--panel);
  border:1.5px solid var(--line);border-radius:var(--radius);padding:12px 14px;width:100%;
}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px var(--signal-soft)}
.field.kvkk{flex-direction:row;align-items:flex-start;gap:11px}
.field.kvkk input{width:20px;height:20px;flex:none;margin-top:2px;accent-color:var(--signal-deep)}
.field.kvkk label{font-family:var(--sans);font-size:13.5px;letter-spacing:0;text-transform:none;font-weight:400;color:var(--ink-2)}
.form-card .btn{margin-top:6px}

/* =====================================================
   Legal doc / sitemap / error
   ===================================================== */
.doc{max-width:74ch}
.doc h2{font-size:clamp(1.2rem,.9rem + 1vw,1.5rem);font-weight:600;margin:34px 0 10px;padding-top:18px;border-top:1.5px solid var(--ink)}
.doc h2:first-child{margin-top:0;padding-top:0;border-top:0}
.doc p{color:var(--ink-2);margin-bottom:14px}
.doc .table-scroll{margin:8px 0 18px}

.sitemap-cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:clamp(20px,3vw,40px)}
.sitemap-cols h2{font:600 12px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--signal-deep);margin-bottom:14px;padding-bottom:12px;border-bottom:1.5px solid var(--ink)}
.sitemap-cols a{display:block;padding:9px 0;color:var(--ink-2);border-bottom:1px solid var(--line);font-size:15px;transition:padding .2s,color .2s}
.sitemap-cols a:hover{color:var(--ink);padding-left:6px}

.err-wrap{min-height:62vh;display:flex;align-items:center;text-align:center;padding:clamp(50px,9vw,110px) 0}
.err-wrap .shell{display:flex;flex-direction:column;align-items:center;gap:16px}
.err-wrap .code{font:700 clamp(4rem,3rem + 10vw,9rem)/.9 var(--mono);color:var(--ink);letter-spacing:-.04em}
.err-wrap h1{font-size:clamp(1.6rem,1.1rem + 2vw,2.4rem);font-weight:600}
.err-wrap p{color:var(--ink-2);max-width:48ch}
.thanks-mark{width:74px;height:74px;border-radius:50%;background:var(--ok);display:flex;align-items:center;justify-content:center;border:2px solid var(--ink)}

/* =====================================================
   Footer
   ===================================================== */
.site-footer{background:var(--ink);color:#AEB6BE;border-top:1.5px solid var(--ink);padding:clamp(46px,6vw,72px) 0 28px}
.footer-brand .brand-txt{color:#fff}
.footer-brand .brand-txt>span{color:#7d858d}
.footer-brand p{margin-top:14px;font-size:14px;max-width:38ch;color:#9aa2aa}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.3fr;gap:clamp(26px,4vw,52px)}
.site-footer h4{color:#fff;font:600 11px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;margin-bottom:14px}
.site-footer .footer-grid>div>a{display:block;padding:7px 0;color:#9aa2aa;font-size:14.5px;transition:color .18s}
.site-footer .footer-grid>div>a:hover{color:var(--signal)}
.footer-contact{font:400 14px/1.9 var(--mono);color:#9aa2aa}
.footer-contact a{color:#cfd5da}
.footer-contact a:hover{color:var(--signal)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;align-items:center;
  margin-top:clamp(30px,4vw,48px);padding-top:22px;border-top:1px solid #2c333b;font:400 12.5px/1.6 var(--mono);color:#7d858d}
.footer-bottom a{color:#9aa2aa}
.footer-bottom a:hover{color:var(--signal)}

/* =====================================================
   Cookie banner — 3 buttons (Kabul / Reddet / Ayarlar)
   ===================================================== */
.cookie-banner{
  position:fixed;left:clamp(12px,3vw,26px);bottom:clamp(12px,3vw,26px);z-index:9999;
  max-width:392px;width:calc(100% - 24px);background:var(--panel-2);border:1.5px solid var(--ink);border-radius:var(--radius);
  padding:20px;box-shadow:10px 12px 0 -2px rgba(20,24,29,.18);
  transform:translateY(140%);opacity:0;transition:transform .4s cubic-bezier(.3,.7,.2,1),opacity .4s;
}
.cookie-banner.is-visible{transform:none;opacity:1}
.cookie-banner[hidden]{display:none}
.cookie-tag{font:600 10px/1 var(--mono);letter-spacing:.2em;color:var(--ink-3);margin-bottom:10px}
.cookie-banner h3{font-size:1.05rem;font-weight:600;margin-bottom:6px}
.cookie-banner p{font-size:13px;color:var(--ink-2);line-height:1.5}
.cookie-banner p a{color:var(--signal-deep);text-decoration:underline}
.cookie-actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:16px}
.cookie-actions button{flex:1 1 auto;font:600 12.5px/1 var(--mono);padding:11px 12px;border-radius:var(--radius);border:1.5px solid var(--ink);cursor:pointer;transition:background .18s,color .18s}
.cookie-actions [data-consent="accept"]{background:var(--signal);color:var(--ink)}
.cookie-actions [data-consent="accept"]:hover{background:var(--ink);color:var(--signal)}
.cookie-actions [data-consent="reject"]{background:var(--panel-2);color:var(--ink)}
.cookie-actions [data-consent="reject"]:hover{background:var(--ink);color:#fff}
.cookie-actions [data-consent="settings"]{background:transparent;color:var(--ink-2);border-color:var(--line)}
.cookie-actions [data-consent="settings"]:hover{border-color:var(--ink);color:var(--ink)}

/* =====================================================
   Responsive
   ===================================================== */
@media (max-width:1000px){
  .hero-grid{grid-template-columns:1fr;gap:clamp(28px,6vw,44px)}
  .hero-visual{order:-1;max-width:440px}
  .teknik-layout{grid-template-columns:1fr}
  .uyg-layout{grid-template-columns:1fr}
  .uyg-figure-wrap{position:static}
  .calc-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .nav{display:none}
  .burger{display:block}
}
@media (max-width:680px){
  .datum-strip{grid-template-columns:1fr 1fr}
  .datum:nth-child(-n+2){border-top:0}
  .datum:nth-child(odd){border-left:0}
  .datum:nth-child(n+3){border-top:1px solid var(--line)}
  .readout{grid-template-columns:1fr 1fr}
  .form-row.two{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{justify-content:flex-start}
}
@media (max-width:460px){
  .datum-strip{grid-template-columns:1fr}
  .datum{border-left:0!important;border-top:1px solid var(--line)}
  .datum:first-child{border-top:0}
  .cookie-actions button{flex:1 1 100%}
}

/* reduced motion */
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .reveal,.clip-reveal{opacity:1!important;transform:none!important;clip-path:none!important}
  .draw [data-len]{stroke-dashoffset:0!important}
  .scroll-progress{display:none}
}

/* header-cta-padding-guard v1 */
.nav-desktop a.nav-cta, header a.nav-cta, .site-header a.nav-cta {
  padding: 10px 18px;
}

/* drawer-cta-color-guard v1 */
.drawer a.nav-cta, .drawer .nav-cta, .mobile-menu a.nav-cta, nav[class*=mobile] a.nav-cta {
  color: var(--ink) !important;
}

/* table-scroll ancestor guard v1 */
.table-scroll{max-width:100%}
:where(*:has(> .table-scroll), *:has(> * > .table-scroll), *:has(> * > * > .table-scroll)){min-width:0}