/* ==========================================================================
   VIONTY — Kablosuz Yangın Sistemleri
   Design language: "Saha Şeması" (Field Schematic)
   Açık kağıt zemin + tek vurgu rengi (alarm turuncusu) + neredeyse siyah mürekkep.
   Radar yerine dik açılı devre/kroki hatları; condensed yerine düz, iri başlıklar.
   ========================================================================== */
:root{
  /* Colors */
  --ink:#15171B;
  --ink-soft:#1F2226;
  --ink-line: rgba(245,244,239,.12);
  --paper:#F5F4EF;
  --paper-dim:#EAE7DD;
  --paper-line: rgba(21,23,27,.13);
  --orange:#FF4B1F;
  --orange-dark:#CC3A16;
  --orange-glow: rgba(255,75,31,.32);
  --text-dark:#15171B;
  --text-light:#F5F4EF;
  --muted-dark:#66686E;
  --muted-light:#A6A9AE;

  /* Type */
  --f-display:'Sora', sans-serif;
  --f-body:'Work Sans', sans-serif;
  --f-mono:'IBM Plex Mono', monospace;

  --container: 1180px;
  --radius: 3px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--f-body);
  color:var(--text-dark);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;}
h1,h2,h3,h4{font-family:var(--f-display);font-weight:700;line-height:1.08;margin:0;letter-spacing:-.01em;}
p{line-height:1.7;color:var(--muted-dark);margin:0;}
.container{max-width:var(--container);margin:0 auto;padding:0 28px;}
section{position:relative;}

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

/* -------------------- Utility -------------------- */
.eyebrow{
  font-family:var(--f-mono);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--orange);
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.eyebrow::before{
  content:"\25C6";
  font-size:9px;
  color:var(--orange);
}
.on-dark .eyebrow{color:var(--orange);}

.section-head{max-width:680px;margin-bottom:52px;}
.section-head h2{font-size:clamp(28px,3.6vw,42px);color:var(--text-dark);}
.on-dark .section-head h2{color:var(--text-light);}
.section-head p{margin-top:16px;font-size:16px;max-width:560px;}

.pad{padding:96px 0;}
.pad-sm{padding:56px 0;}
.on-dark{background:var(--ink);color:var(--text-light);}
.on-dark p{color:var(--muted-light);}
.on-dim{background:var(--paper-dim);}

.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--f-display);
  font-weight:600;
  font-size:14.5px;
  padding:15px 28px;
  border-radius:var(--radius);
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 24px -8px var(--orange-glow);}
.btn-primary:hover{background:var(--orange-dark);}
.btn-ghost{border-color:var(--ink-line);color:var(--text-light);}
.btn-ghost:hover{border-color:var(--orange);color:var(--orange);}
.btn-ghost-dark{border-color:var(--paper-line);color:var(--text-dark);}
.btn-ghost-dark:hover{border-color:var(--orange);color:var(--orange);}
.btn-arrow{transition:transform .18s ease;}
.btn:hover .btn-arrow{transform:translateX(3px);}

.pill{
  font-family:var(--f-mono);font-size:11.5px;letter-spacing:.04em;
  padding:5px 11px;border:1px solid var(--paper-line);border-radius:2px;
  color:var(--muted-dark);
}

/* -------------------- Top bar -------------------- */
.topbar{
  background:var(--ink);color:var(--muted-light);
  font-family:var(--f-mono);font-size:12px;
}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:36px;}
.topbar a{color:var(--muted-light);transition:color .15s;}
.topbar a:hover{color:var(--orange);}
.topbar .tb-links{display:flex;gap:26px;}
.topbar .tb-links span{opacity:.5;margin-right:2px;}

/* -------------------- Header -------------------- */
header.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(21,23,27,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--ink-line);
}
.nav-row{display:flex;align-items:center;justify-content:space-between;height:76px;}
.logo{display:flex;align-items:center;gap:9px;color:#fff;font-family:var(--f-display);font-weight:700;font-size:22px;letter-spacing:-.01em;}
.logo .dot{width:8px;height:8px;background:var(--orange);border-radius:1px;transform:rotate(45deg);}
.logo small{font-family:var(--f-mono);font-size:10px;color:var(--muted-light);letter-spacing:.1em;display:block;margin-top:1px;}

nav.main-nav ul{display:flex;gap:30px;list-style:none;align-items:center;}
nav.main-nav a{
  font-family:var(--f-body);font-weight:500;font-size:14.5px;
  color:var(--muted-light);position:relative;padding:6px 0;transition:color .15s;
}
nav.main-nav a:hover, nav.main-nav a.active{color:#fff;}
nav.main-nav a.active::after{
  content:"";position:absolute;bottom:-4px;left:0;right:0;height:2px;background:var(--orange);
}
.header-actions{display:flex;align-items:center;gap:16px;}
.header-phone{display:flex;flex-direction:column;text-align:right;font-family:var(--f-mono);color:var(--muted-light);font-size:11.5px;}
.header-phone b{color:#fff;font-size:13.5px;font-family:var(--f-mono);font-weight:400;}
.menu-toggle{display:none;background:none;border:0;color:#fff;cursor:pointer;padding:6px;}

/* Katalog indirme dropdown (desktop) */
.catalog-dd{position:relative;}
.catalog-dd summary{
  list-style:none;cursor:pointer;
  font-family:var(--f-body);font-weight:500;font-size:14px;
  color:var(--muted-light);padding:9px 16px;border:1px solid var(--ink-line);border-radius:2px;
  display:flex;align-items:center;gap:6px;transition:color .15s,border-color .15s;
}
.catalog-dd summary::-webkit-details-marker{display:none;}
.catalog-dd summary::after{content:"\25BE";font-size:10px;margin-left:2px;}
.catalog-dd summary:hover{color:#fff;border-color:var(--orange);}
.catalog-dd[open] summary{color:var(--orange);border-color:var(--orange);}
.catalog-dd-menu{
  position:absolute;top:calc(100% + 10px);right:0;background:var(--ink-soft);border:1px solid var(--ink-line);
  min-width:230px;padding:8px;z-index:90;box-shadow:0 18px 34px -12px rgba(0,0,0,.55);
}
.catalog-dd-menu a{
  display:flex;align-items:center;gap:10px;padding:11px 12px;font-size:13.5px;color:var(--text-light);
  border-radius:2px;transition:background .15s,color .15s;
}
.catalog-dd-menu a:hover{background:rgba(255,255,255,.06);color:var(--orange);}
.catalog-dd-menu a svg{flex-shrink:0;color:var(--orange);}

.nav-catalog-item{display:none !important;}
.nav-catalog-label{
  font-family:var(--f-mono);font-size:10.5px;letter-spacing:.06em;
  color:var(--muted-light);padding:18px 0 4px !important;border-bottom:none !important;opacity:.6;
}

@media (max-width:920px){
  nav.main-nav{position:fixed;inset:76px 0 0 0;background:var(--ink);transform:translateX(100%);transition:transform .3s ease;overflow-y:auto;}
  nav.main-nav.open{transform:translateX(0);}
  nav.main-nav ul{flex-direction:column;align-items:flex-start;gap:0;padding:20px 28px;}
  nav.main-nav li{width:100%;border-bottom:1px solid var(--ink-line);}
  nav.main-nav a{display:block;padding:18px 0;font-size:19px;}
  .header-phone{display:none;}
  .menu-toggle{display:block;}
  .catalog-dd{display:none !important;}
  .nav-catalog-item{display:block !important;}
  .nav-catalog-item a{font-size:16px;color:var(--orange);}
}

/* -------------------- Hero Slider (Anasayfa) -------------------- */
.hero-slider{position:relative;width:100%;height:82vh;min-height:560px;max-height:880px;overflow:hidden;background:var(--ink);}
.hs-slide{position:absolute;inset:0;opacity:0;z-index:1;transition:opacity 1.1s ease;pointer-events:none;}
.hs-slide.active{opacity:1;z-index:2;pointer-events:auto;}
.hs-bg{position:absolute;inset:0;background-size:cover;background-position:center;background-color:var(--ink);
  transform:scale(1.04);transition:transform 6.5s ease-out;}
.hs-slide.active .hs-bg{transform:scale(1.14);}
.hs-overlay{
  position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(90deg, rgba(21,23,27,.95) 0%, rgba(21,23,27,.72) 42%, rgba(21,23,27,.15) 100%),
    linear-gradient(0deg, rgba(21,23,27,.75), transparent 45%);
}
.hs-content{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;padding:0 clamp(28px,7vw,120px) 0 clamp(60px,20vw,350px);z-index:3;}
.hs-content > *{max-width:620px;}
.hs-badge{
  display:inline-flex;align-items:center;gap:9px;padding:7px 14px;border-radius:100px;
  background:rgba(255,75,31,.14);border:1px solid rgba(255,75,31,.35);margin-bottom:22px;
  font-family:var(--f-mono);font-size:11.5px;font-weight:500;letter-spacing:.1em;color:#FF9A72;
}
.hs-dot{position:relative;width:8px;height:8px;flex-shrink:0;}
.hs-dot::before,.hs-dot::after{content:"";position:absolute;inset:0;border-radius:50%;background:var(--orange);}
.hs-dot::before{animation:hsPulse 2s ease-out infinite;}
@keyframes hsPulse{0%{transform:scale(1);opacity:1;}70%{transform:scale(2.8);opacity:0;}100%{opacity:0;}}
.hero-slider h2{color:#fff;font-size:clamp(34px,4.6vw,62px);line-height:1.05;margin:0 0 18px;}
.hero-slider .hs-content p{color:#C7CBD1;font-size:clamp(15px,1.2vw,17px);line-height:1.65;margin:0 0 24px;max-width:480px;}
.hs-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px;}
.hs-tags span{
  padding:7px 13px;border-radius:6px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  font-size:12.5px;font-weight:500;color:#E4E6EA;
}
.hs-cta{display:flex;gap:14px;flex-wrap:wrap;}

.hs-arrow{
  position:absolute;top:50%;transform:translateY(-50%);z-index:20;width:52px;height:52px;border-radius:50%;
  background:rgba(31,34,38,.55);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.16);
  color:#fff;font-size:24px;cursor:pointer;display:flex;align-items:center;justify-content:center;
  transition:border-color .2s, background .2s;
}
.hs-arrow:hover{border-color:var(--orange);background:rgba(255,75,31,.18);}
.hs-prev{left:clamp(14px,3vw,42px);}
.hs-next{right:clamp(14px,3vw,42px);}

.hs-bottom{position:absolute;left:0;right:0;bottom:0;z-index:20;display:flex;align-items:flex-end;justify-content:flex-start;gap:940px;padding:0 clamp(28px,7vw,120px) 30px clamp(60px,20vw,350px);}
.hs-dots{display:flex;gap:9px;align-items:center;}
.hs-dotbtn{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.25);border:none;cursor:pointer;padding:0;transition:background .2s, transform .2s;}
.hs-dotbtn.active{background:var(--orange);transform:scale(1.3);}
.hs-counter{text-align:right;font-family:var(--f-mono);font-size:13px;color:rgba(255,255,255,.4);}
.hs-counter .hs-cur{color:var(--orange);font-weight:500;}
.hs-progress{width:160px;height:2px;border-radius:2px;background:rgba(255,255,255,.14);overflow:hidden;margin-top:9px;}
.hs-progress-bar{height:100%;background:var(--orange);width:0%;}

@media (max-width:720px){
  .hero-slider{height:78vh;min-height:520px;}
  .hs-arrow{width:42px;height:42px;font-size:19px;}
  .hs-bottom{flex-direction:column;align-items:flex-start;gap:16px;padding-bottom:22px;}
}
@media (prefers-reduced-motion: reduce){
  .hs-bg,.hs-slide.active .hs-bg{transition:none;transform:none;}
  .hs-dot::before{animation:none;}
}

/* -------------------- Hero -------------------- */
.hero{
  background:var(--paper);color:var(--text-dark);
  position:relative;overflow:hidden;
  padding:88px 0 0;
  border-bottom:1px solid var(--paper-line);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(var(--paper-line) 1px, transparent 1px);
  background-size:28px 28px;
  mask-image:radial-gradient(ellipse 65% 60% at 68% 38%, black 0%, transparent 72%);
  -webkit-mask-image:radial-gradient(ellipse 65% 60% at 68% 38%, black 0%, transparent 72%);
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1fr .95fr;gap:56px;align-items:center;
  padding-bottom:70px;
}
.hero h1{font-size:clamp(38px,5.2vw,60px);color:var(--text-dark);}
.hero h1 span{color:var(--orange);}
.hero p.lead{margin-top:22px;font-size:17.5px;max-width:480px;color:var(--muted-dark);}
.hero-cta{display:flex;gap:16px;margin-top:36px;flex-wrap:wrap;}
.hero .btn-ghost{border-color:var(--paper-line);color:var(--text-dark);}
.hero .btn-ghost:hover{border-color:var(--orange);color:var(--orange);}
.hero-stats{display:flex;gap:36px;margin-top:60px;flex-wrap:wrap;border-top:1px solid var(--paper-line);padding-top:26px;}
.stat b{display:block;font-family:var(--f-display);font-size:32px;color:var(--text-dark);}
.stat span{font-family:var(--f-mono);font-size:11px;letter-spacing:.04em;color:var(--muted-dark);}

/* Schematic signature graphic — kroki/devre şeması (koyu "HUD ekranı" yüzeyi) */
.radar-wrap{
  position:relative;height:440px;display:flex;align-items:center;justify-content:center;
  background:var(--ink);border:1px solid var(--ink);
  box-shadow:0 40px 80px -30px rgba(21,23,27,.45), 0 0 0 1px rgba(255,75,31,.08);
}
.radar-wrap::before,.radar-wrap::after{content:"";position:absolute;width:20px;height:20px;}
.radar-wrap::before{top:14px;left:14px;border-top:2px solid var(--orange);border-left:2px solid var(--orange);}
.radar-wrap::after{bottom:14px;right:14px;border-bottom:2px solid var(--orange);border-right:2px solid var(--orange);}
.radar-wrap svg{width:100%;height:100%;max-width:440px;padding:30px;}

.schem-frame{fill:none;stroke:var(--ink-line);stroke-width:1;stroke-dasharray:4 4;}
.schem-trace{fill:none;stroke:var(--text-light);stroke-opacity:.16;stroke-width:1.6;}
.schem-trace-pulse{
  fill:none;stroke:var(--orange);stroke-width:1.8;stroke-dasharray:6 220;
  filter:drop-shadow(0 0 3px rgba(255,75,31,.65));
  animation:traceFlow 3.2s linear infinite;
}
.schem-trace-pulse.d1{animation-delay:0s;}
.schem-trace-pulse.d2{animation-delay:.6s;}
.schem-trace-pulse.d3{animation-delay:1.2s;}
.schem-trace-pulse.d4{animation-delay:1.8s;}
.schem-trace-pulse.d5{animation-delay:2.4s;}
@keyframes traceFlow{ to{ stroke-dashoffset:-320; } }

.schem-node{fill:var(--ink-soft);stroke:var(--muted-light);stroke-width:1.4;transition:stroke .2s ease, fill .2s ease;}
.schem-node.core{fill:var(--orange);stroke:none;filter:drop-shadow(0 0 10px rgba(255,75,31,.55));}
.schem-node-hit{fill:transparent;pointer-events:all;cursor:pointer;}
.schem-endpoint:hover .schem-node{stroke:var(--orange);fill:var(--orange);}
.schem-endpoint:hover .schem-label{fill:#fff;}
.schem-label{font-family:var(--f-mono);font-size:9px;fill:var(--muted-light);letter-spacing:.03em;transition:fill .2s ease;}
.schem-tag{font-family:var(--f-mono);font-size:9px;fill:var(--muted-light);opacity:.4;}

@media (max-width:920px){
  .hero-grid{grid-template-columns:1fr;padding-bottom:40px;}
  .radar-wrap{height:300px;order:-1;}
  .hero-stats{gap:24px;}
}

/* Hero şeması — kategori ürün önizleme tooltip'i */
.schem-tooltip{
  position:fixed;transform:translate(-50%,-100%) translateY(-14px);
  background:#fff;border:1px solid var(--paper-line);
  box-shadow:0 20px 44px -14px rgba(21,23,27,.28);
  padding:10px;min-width:210px;z-index:200;
  opacity:0;pointer-events:none;transition:opacity .15s ease;
}
.schem-tooltip.show{opacity:1;}
.schem-tooltip-item{display:flex;gap:10px;align-items:center;padding:7px 2px;}
.schem-tooltip-item + .schem-tooltip-item{border-top:1px solid var(--paper-line);}
.schem-tooltip-item img{width:40px;height:40px;object-fit:cover;border:1px solid var(--paper-line);flex-shrink:0;}
.schem-tooltip-noimg{width:40px;height:40px;background:var(--paper-dim);flex-shrink:0;display:flex;align-items:center;justify-content:center;color:var(--orange);}
.schem-tooltip-item b{display:block;font-family:var(--f-mono);font-size:10.5px;color:var(--text-dark);font-weight:400;}
.schem-tooltip-item span{display:block;font-size:11.5px;color:var(--muted-dark);}
.schem-tooltip-empty{font-family:var(--f-mono);font-size:11px;color:var(--muted-dark);padding:6px 2px;}

/* -------------------- Trust strip -------------------- */
.trust-strip{background:var(--ink);border-top:1px solid var(--ink-line);border-bottom:1px solid var(--ink-line);padding:20px 0;overflow:hidden;}
.trust-strip .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px;}
.trust-item{display:flex;align-items:center;gap:10px;font-family:var(--f-mono);font-size:12px;letter-spacing:.02em;color:var(--muted-light);}
.trust-item svg{flex-shrink:0;color:var(--orange);}

/* -------------------- Value cards -------------------- */
.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--paper-line);border:1px solid var(--paper-line);}
.value-card{background:var(--paper);padding:40px 32px;transition:background .2s;position:relative;}
.value-card:hover{background:#fff;}
.value-card:hover::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--orange);}
.value-card .vc-icon{width:42px;height:42px;margin-bottom:24px;color:var(--orange);}
.value-card h3{font-size:19px;margin-bottom:10px;}
.value-card p{font-size:14.5px;}
@media (max-width:920px){.value-grid{grid-template-columns:1fr;}}

/* -------------------- Components sequence (01-04) — yatay stepper -------------------- */
.comp-list{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;}
.comp-list::before{
  content:"";position:absolute;top:13px;left:6%;right:6%;height:1px;
  background:repeating-linear-gradient(90deg, var(--ink-line) 0 6px, transparent 6px 12px);
}
.comp-row{
  display:flex;flex-direction:column;gap:14px;align-items:flex-start;
  padding:0 20px 0 0;position:relative;
}
.comp-num{
  font-family:var(--f-mono);font-size:12px;color:var(--ink);background:var(--paper);
  width:28px;height:28px;border:1.6px solid var(--orange);border-radius:50%;
  display:flex;align-items:center;justify-content:center;position:relative;z-index:2;
}
.on-dark .comp-num{color:#fff;background:var(--ink);}
.comp-row h3{font-size:19px;color:#fff;}
.comp-row p{color:var(--muted-light);font-size:14px;}
@media (max-width:900px){
  .comp-list{grid-template-columns:1fr;gap:34px;}
  .comp-list::before{display:none;}
}

/* -------------------- Product grid -------------------- */
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:38px;}
.filter-btn{
  font-family:var(--f-body);font-weight:500;font-size:13.5px;
  padding:10px 20px;border:1px solid var(--paper-line);background:transparent;color:var(--muted-dark);
  cursor:pointer;border-radius:2px;transition:all .15s;
}
.filter-btn:hover{border-color:var(--orange);color:var(--orange);}
.filter-btn.active{background:var(--ink);color:#fff;border-color:var(--ink);}

.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--paper-line);border:1px solid var(--paper-line);}
.product-card{
  background:#fff;padding:28px;
  display:flex;flex-direction:column;gap:14px;transition:background .2s;position:relative;
  border-top:3px solid transparent;
}
.product-card:hover{background:var(--paper);border-top-color:var(--orange);}
.pc-icon{
  width:48px;height:48px;border:1.5px solid var(--paper-line);border-radius:50%;
  display:flex;align-items:center;justify-content:center;color:var(--orange);background:var(--paper);
}
.pc-photo{
  width:100%;height:170px;object-fit:cover;border:1px solid var(--paper-line);background:var(--paper-dim);
}
.pc-featured-badge{
  position:absolute;top:14px;right:14px;background:var(--orange);color:#fff;
  font-family:var(--f-mono);font-size:10px;letter-spacing:.03em;
  padding:4px 9px;
}
.form-alert{
  padding:16px 18px;border-left:3px solid var(--orange);background:var(--paper-dim);
  font-size:14px;margin-bottom:20px;
}
.form-alert.success{border-left-color:#2E7D46;}
.pc-code{font-family:var(--f-mono);font-size:11px;color:var(--muted-dark);letter-spacing:.02em;}
.product-card h3{font-size:18px;line-height:1.25;}
.product-card p{font-size:13.5px;flex-grow:1;}
.pc-tag{font-family:var(--f-mono);font-size:10px;color:var(--muted-dark);letter-spacing:.03em;align-self:flex-start;border:1px solid var(--paper-line);padding:4px 9px;}
@media (max-width:920px){.product-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:620px){.product-grid{grid-template-columns:1fr;}}

/* -------------------- Split / about panels -------------------- */
.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:center;}
@media (max-width:900px){.split{grid-template-columns:1fr;gap:40px;}}
.timeline{border-left:2px solid var(--paper-line);margin-top:8px;}
.timeline li{list-style:none;padding:0 0 26px 24px;position:relative;}
.timeline li::before{content:"";position:absolute;left:-7px;top:4px;width:11px;height:11px;background:var(--paper);border:2px solid var(--orange);border-radius:1px;transform:rotate(45deg);}
.timeline b{font-family:var(--f-mono);color:var(--orange);font-size:13px;display:block;margin-bottom:4px;}

/* -------------------- Counters -------------------- */
.counter-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--ink-line);border:1px solid var(--ink-line);}
.counter-card{background:var(--ink);padding:36px 28px;text-align:left;}
.counter-card b{font-family:var(--f-display);font-size:42px;color:#fff;display:block;}
.counter-card span{font-family:var(--f-mono);font-size:11px;color:var(--muted-light);letter-spacing:.03em;}
@media (max-width:800px){.counter-grid{grid-template-columns:repeat(2,1fr);}}

/* -------------------- CTA band -------------------- */
.cta-band{
  background:var(--ink);
  color:#fff;padding:70px 0;
  border-top:3px solid var(--orange);
}
.cta-band .container{display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap;}
.cta-band h2{font-size:clamp(24px,3.6vw,36px);max-width:560px;}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.5);color:#fff;}
.cta-band .btn-ghost:hover{border-color:var(--orange);background:var(--orange);color:#fff;}

/* -------------------- Forms -------------------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.form-grid .full{grid-column:1/-1;}
label{font-family:var(--f-mono);font-size:11px;letter-spacing:.03em;color:var(--muted-dark);display:block;margin-bottom:8px;}
input,select,textarea{
  width:100%;padding:13px 14px;border:1px solid var(--paper-line);background:#fff;
  font-family:var(--f-body);font-size:14.5px;color:var(--text-dark);border-radius:var(--radius);
}
input:focus,select:focus,textarea:focus{border-color:var(--orange);}
textarea{resize:vertical;min-height:120px;}
.form-note{font-family:var(--f-mono);font-size:11px;color:var(--muted-dark);margin-top:14px;}

.info-card{border:1px solid var(--paper-line);background:#fff;padding:26px;display:flex;gap:16px;align-items:flex-start;}
.info-card svg{color:var(--orange);flex-shrink:0;margin-top:2px;}
.info-card b{display:block;font-family:var(--f-display);font-size:15px;margin-bottom:4px;}
.info-card p{font-size:13.5px;}
.map-frame{border:1px solid var(--paper-line);height:340px;width:100%;filter:grayscale(.4) contrast(1.05);}

/* -------------------- Footer -------------------- */
footer{background:var(--ink);color:var(--muted-light);padding-top:70px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:50px;border-bottom:1px solid var(--ink-line);}
.footer-grid h4{color:#fff;font-size:13.5px;margin-bottom:18px;letter-spacing:.02em;font-family:var(--f-mono);font-weight:400;}
.footer-grid ul{display:flex;flex-direction:column;gap:11px;}
.footer-grid a{font-size:14px;color:var(--muted-light);transition:color .15s;}
.footer-grid a:hover{color:var(--orange);}
.footer-bottom{display:flex;justify-content:space-between;padding:26px 0;font-family:var(--f-mono);font-size:11.5px;flex-wrap:wrap;gap:10px;}
.social-row{display:flex;gap:14px;}
.social-row a{width:34px;height:34px;border:1px solid var(--ink-line);display:flex;align-items:center;justify-content:center;transition:border-color .15s,color .15s;}
.social-row a:hover{border-color:var(--orange);color:var(--orange);}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr;}}

/* -------------------- Page hero (sub pages) -------------------- */
.page-hero{background:var(--ink);color:#fff;padding:148px 0 60px;position:relative;overflow:hidden;border-bottom:3px solid var(--orange);}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{font-family:var(--f-mono);font-size:12px;color:var(--muted-light);margin-bottom:18px;letter-spacing:.02em;}
.breadcrumb a:hover{color:var(--orange);}
.page-hero h1{font-size:clamp(32px,4.6vw,50px);}

/* -------------------- Product detail page -------------------- */
.product-detail-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:flex-start;}
@media (max-width:900px){.product-detail-grid{grid-template-columns:1fr;gap:32px;}}
.pd-media{border:1px solid var(--paper-line);background:#fff;display:flex;align-items:center;justify-content:center;min-height:320px;}
.pd-media img{width:100%;height:100%;object-fit:cover;max-height:420px;}
.pd-media-icon{width:96px;height:96px;color:var(--orange);}
.pd-info h1{margin:0;}

.spec-table{border:1px solid var(--paper-line);background:#fff;max-width:760px;}
.spec-table-row{display:grid;grid-template-columns:1fr 1.4fr;border-bottom:1px solid var(--paper-line);}
.spec-table-row:last-child{border-bottom:none;}
.spec-table-key{padding:14px 20px;font-family:var(--f-mono);font-size:12.5px;color:var(--muted-dark);background:var(--paper-dim);border-right:1px solid var(--paper-line);}
.spec-table-value{padding:14px 20px;font-size:14.5px;color:var(--text-dark);}
@media (max-width:620px){
  .spec-table-row{grid-template-columns:1fr;}
  .spec-table-key{border-right:none;border-bottom:1px solid var(--paper-line);}
}

/* -------------------- Reveal animation -------------------- */
.reveal{opacity:0;transform:translateY(22px);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;}
  .schem-trace-pulse{animation:none;opacity:.5;}
}

/* -------------------- Back to top -------------------- */
.to-top{
  position:fixed;bottom:26px;right:26px;width:46px;height:46px;border-radius:2px;
  background:var(--orange);color:#fff;display:flex;align-items:center;justify-content:center;
  border:none;cursor:pointer;opacity:0;pointer-events:none;transition:opacity .2s, transform .2s;z-index:60;
  box-shadow:0 10px 24px -6px var(--orange-glow);
}
.to-top.show{opacity:1;pointer-events:auto;}
.to-top:hover{transform:translateY(-3px);}