/* ============================================================
   Super Autotech — shared stylesheet
   ============================================================ */
:root{
  --bg:        oklch(0.987 0.004 95);
  --bg-2:      oklch(0.965 0.006 95);
  --surface:   oklch(1 0 0);
  --ink:       oklch(0.22 0.008 260);
  --ink-2:     oklch(0.46 0.012 260);
  --ink-3:     oklch(0.62 0.012 260);
  --line:      oklch(0.9 0.006 100);
  --line-2:    oklch(0.84 0.008 100);
  --accent:    oklch(0.55 0.158 256);
  --accent-d:  oklch(0.48 0.16 256);
  --accent-soft:oklch(0.955 0.028 256);
  --accent-light:oklch(0.78 0.13 256);
  --r:   12px;
  --r-sm: 7px;
  --maxw: 1200px;
  --pad: clamp(20px, 5vw, 64px);
  --sans: "Hanken Grotesk", system-ui, sans-serif;
  --disp: "Archivo", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  background:var(--bg);
  color:var(--ink);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
::selection{background:var(--accent);color:#fff}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}

.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--pad)}
.eyebrow{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--accent-d);
  display:inline-flex;align-items:center;gap:8px;
}
.eyebrow::before{content:"";width:18px;height:1.5px;background:var(--accent)}
h1,h2,h3{font-family:var(--disp);font-weight:800;letter-spacing:-0.02em;line-height:1.04}
.section{padding-block:clamp(64px,9vw,124px)}
.section--alt{background:var(--bg-2);border-block:1px solid var(--line)}
.section--tight{padding-block:clamp(48px,6vw,80px)}

/* buttons */
.btn{
  --bg-btn:var(--accent);
  font-family:var(--sans);font-weight:600;font-size:15px;
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 22px;border-radius:var(--r-sm);
  background:var(--bg-btn);color:#fff;border:1px solid transparent;
  cursor:pointer;transition:transform .15s ease, background .15s ease, box-shadow .15s ease;
  box-shadow:0 1px 2px oklch(0.55 0.158 256 / .18);white-space:nowrap;
}
.btn:hover{background:var(--accent-d);transform:translateY(-1px);box-shadow:0 6px 18px oklch(0.55 0.158 256 / .22)}
.btn .arr{transition:transform .18s ease}
.btn:hover .arr{transform:translateX(3px)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line-2);box-shadow:none}
.btn--ghost:hover{background:var(--surface);border-color:var(--ink-3);color:var(--ink)}
.btn--lg{padding:16px 28px;font-size:16px}

/* ── header ── */
header.nav{
  position:sticky;top:0;z-index:50;
  background:oklch(0.987 0.004 95 / .72);
  backdrop-filter:blur(14px) saturate(1.4);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease, background .25s ease;
}
header.nav.scrolled{border-bottom-color:var(--line);background:oklch(0.987 0.004 95 / .9)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px;max-width:var(--maxw);margin:0 auto;padding-inline:var(--pad)}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--disp);font-weight:900;letter-spacing:-0.01em;font-size:18px}
.nvh-figure{margin:0;text-align:center}
.nvh-figure img{width:100%;max-width:980px;height:auto;border-radius:14px}
.nvh-figure figcaption{margin-top:16px;color:var(--ink-2);font-size:.95rem;max-width:60ch;margin-inline:auto;line-height:1.55}
.reach-card h3{font-family:var(--disp);font-size:1.35rem;font-weight:800;letter-spacing:-0.01em}
.reach-lead{color:var(--ink-2);margin:10px 0 22px;font-size:.97rem;line-height:1.55}
.reach-btn{display:flex;align-items:center;gap:14px;padding:16px 18px;border-radius:13px;border:1px solid var(--line);text-decoration:none;color:var(--ink);transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease;margin-bottom:12px}
.reach-btn:hover{transform:translateY(-2px);box-shadow:0 10px 28px oklch(0.5 0.02 260 / .14);border-color:transparent}
.reach-ic{width:46px;height:46px;border-radius:11px;display:grid;place-items:center;flex:0 0 auto;color:#fff}
.reach-btn--wa .reach-ic{background:#25D366}
.reach-btn--mail .reach-ic{background:oklch(0.55 0.158 256)}
.reach-txt{display:flex;flex-direction:column;flex:1 1 auto;line-height:1.2}
.reach-txt strong{font-family:var(--disp);font-weight:800;font-size:1.02rem}
.reach-txt small{color:var(--ink-3);font-family:var(--mono);font-size:12px;margin-top:3px}
.reach-btn .arr{color:var(--ink-3);font-size:1.1rem;transition:transform .15s ease}
.reach-btn:hover .arr{transform:translateX(3px)}
.brand-logo{height:34px;width:auto;display:block}
.ftr .brand-logo{height:40px}
.mark{width:30px;height:30px;display:grid;place-items:center;flex:0 0 auto}
.mark svg{width:30px;height:30px}
.brand small{display:block;font-family:var(--mono);font-weight:400;font-size:9.5px;letter-spacing:.22em;color:var(--ink-3);text-transform:uppercase;margin-top:1px}
.nav-links{display:flex;align-items:center;gap:25px}
.nav-links a{font-size:14.5px;color:var(--ink-2);font-weight:500;transition:color .15s ease;position:relative}
.nav-links a:hover{color:var(--ink)}
.nav-links a.active{color:var(--ink);font-weight:600}
.nav-cta{display:flex;align-items:center;gap:18px}

/* ── nav products dropdown ── */
.nav-dd{position:relative;display:flex;align-items:center}
.nav-dd-trigger{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;color:var(--ink-2);font-weight:500;cursor:pointer}
.nav-dd-trigger:hover,.nav-dd[data-active] .nav-dd-trigger{color:var(--ink)}
.nav-dd[data-active] .nav-dd-trigger{font-weight:600}
.nav-dd-trigger .caret{font-size:10px;transition:transform .2s ease;color:var(--ink-3)}
.nav-dd-menu{
  position:absolute;top:calc(100% + 14px);left:50%;transform:translateX(-50%) translateY(-6px);
  min-width:340px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  box-shadow:0 18px 50px oklch(0.2 0.02 260 / .14);padding:8px;
  display:flex;flex-direction:column;gap:2px;
  opacity:0;visibility:hidden;transition:opacity .18s ease, transform .18s ease;z-index:60;
}
.nav-dd-menu::before{content:"";position:absolute;top:-14px;left:0;right:0;height:14px}
.nav-dd-item{display:flex;gap:13px;align-items:flex-start;padding:12px 13px;border-radius:9px;transition:background .15s ease}
.nav-dd-item:hover{background:var(--accent-soft)}
.nav-dd-item .ic{width:38px;height:38px;border-radius:8px;flex:0 0 auto;background:var(--bg-2) center/cover no-repeat;border:1px solid var(--line)}
.nav-dd-item .nm{font-family:var(--disp);font-weight:700;font-size:14.5px;letter-spacing:-.01em;color:var(--ink)}
.nav-dd-item .ct{font-family:var(--mono);font-size:10.5px;letter-spacing:.05em;text-transform:uppercase;color:var(--ink-3);margin-top:3px}
.nav-dd-foot{display:flex;align-items:center;justify-content:space-between;padding:11px 13px 6px;margin-top:4px;border-top:1px solid var(--line)}
.nav-dd-foot a{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent-d)}
@media (hover:hover) and (min-width:941px){
  .nav-dd:hover .nav-dd-menu{opacity:1;visibility:visible;transform:translateX(-50%)}
  .nav-dd:hover .nav-dd-trigger .caret{transform:rotate(180deg)}
}
.menu-btn{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px;padding:8px}
.menu-btn span{width:22px;height:2px;background:var(--ink);border-radius:2px;transition:.2s}

/* ── hero ── */
.hero{position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,72px);align-items:center;padding-block:clamp(48px,7vw,92px)}
.hero h1{font-size:clamp(2.6rem,5.6vw,4.7rem);font-weight:900}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero p.lead{font-size:clamp(1.05rem,1.5vw,1.28rem);color:var(--ink-2);margin-top:22px;max-width:32ch}
.hero-cta{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.hero-stats{display:flex;flex-wrap:wrap;gap:8px 34px;margin-top:44px;padding-top:30px;border-top:1px solid var(--line)}
.hstat{display:flex;flex-direction:column;gap:2px}
.hstat b{font-family:var(--disp);font-size:1.55rem;font-weight:800;letter-spacing:-.02em}
.hstat span{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}
.hero-visual{position:relative}
.hero-visual image-slot{width:100%;height:auto;aspect-ratio:1/1;border-radius:var(--r)}
.hero-tag{
  position:absolute;left:18px;bottom:18px;z-index:3;
  background:oklch(0.22 0.008 260 / .82);color:#fff;backdrop-filter:blur(8px);
  font-family:var(--mono);font-size:11px;letter-spacing:.06em;
  padding:8px 13px;border-radius:6px;display:flex;align-items:center;gap:8px;white-space:nowrap;
}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--accent);font-style:normal}

/* placeholder slot styling */
image-slot{
  background:
    repeating-linear-gradient(135deg, oklch(0.93 0.006 256) 0 11px, oklch(0.955 0.006 256) 11px 22px);
  border-radius:var(--r);
  color:var(--ink-3);
}
image-slot[data-filled]{
  background:none;
  box-shadow:0 14px 38px oklch(0.2 0.02 260 / .13);
}

/* ── page hero (inner pages) ── */
.page-hero{padding-block:clamp(40px,6vw,72px) clamp(28px,4vw,44px)}
.page-hero h1{font-size:clamp(2.2rem,4.6vw,3.6rem);font-weight:900;max-width:18ch;margin-top:16px}
.page-hero p.lead{font-size:clamp(1.05rem,1.4vw,1.22rem);color:var(--ink-2);margin-top:18px;max-width:56ch}
.breadcrumb{font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);display:flex;gap:9px;align-items:center;flex-wrap:wrap}
.breadcrumb a{color:var(--ink-3);transition:color .15s ease}
.breadcrumb a:hover{color:var(--accent-d)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .cur{color:var(--ink-2)}

/* ── trust ── */
.trust{border-block:1px solid var(--line);background:var(--surface)}
.trust-inner{display:flex;align-items:center;gap:clamp(24px,4vw,56px);padding-block:22px;flex-wrap:wrap;justify-content:center}
.trust-inner .lbl{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}
.trust-inner .ind{font-family:var(--disp);font-weight:600;font-size:15px;color:var(--ink-2);opacity:.78}

/* ── section heads ── */
.shead{max-width:62ch}
.shead h2{font-size:clamp(1.9rem,3.4vw,2.85rem);margin-top:18px}
.shead p{color:var(--ink-2);font-size:1.08rem;margin-top:16px}
.shead.center{margin-inline:auto;text-align:center}
.shead.center .eyebrow{justify-content:center}

/* ── split ── */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,68px);align-items:center}
.split image-slot{width:100%;height:auto;aspect-ratio:1/1}
.feature-list{display:flex;flex-direction:column;gap:2px;margin-top:30px}
.frow{display:flex;gap:16px;padding:18px 0;border-top:1px solid var(--line)}
.frow:last-child{border-bottom:1px solid var(--line)}
.frow .ix{font-family:var(--mono);font-size:12px;color:var(--accent-d);padding-top:3px;flex:0 0 28px}
.frow h4{font-family:var(--disp);font-size:1.08rem;font-weight:700;letter-spacing:-.01em}
.frow p{color:var(--ink-2);font-size:.97rem;margin-top:4px}

/* ── product grades ── */
.grades{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:48px}
.grade{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:26px 24px;display:flex;flex-direction:column;gap:14px;
  transition:border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.grade:hover{border-color:var(--line-2);transform:translateY(-3px);box-shadow:0 14px 34px oklch(0.2 0.02 260 / .07)}
.grade .gtag{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}
.grade h3{font-size:1.5rem}
.grade .dens{display:flex;align-items:baseline;gap:6px;font-family:var(--disp);font-weight:800}
.grade .dens b{font-size:2.1rem;color:var(--accent)}
.grade .dens span{font-family:var(--mono);font-size:12px;color:var(--ink-3);font-weight:400}
.grade ul{list-style:none;display:flex;flex-direction:column;gap:9px;margin-top:2px}
.grade li{display:flex;gap:9px;font-size:.92rem;color:var(--ink-2);align-items:flex-start}
.grade li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);margin-top:7px;flex:0 0 auto}
.grade.featured{background:var(--ink);border-color:var(--ink);color:oklch(0.92 0.01 260)}
.grade.featured .gtag{color:oklch(0.7 0.04 256)}
.grade.featured h3{color:#fff}
.grade.featured .dens b{color:var(--accent-light)}
.grade.featured li{color:oklch(0.82 0.01 260)}
.grade.featured:hover{transform:translateY(-3px)}

/* ── applications ── */
.apps{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;margin-top:48px}
.app{background:var(--surface);padding:30px 28px;display:flex;flex-direction:column;gap:10px;min-height:178px;transition:background .2s ease}
a.app:hover{background:var(--accent-soft)}
.app .num{font-family:var(--mono);font-size:12px;color:var(--accent-d);letter-spacing:.08em}
.app h4{font-family:var(--disp);font-size:1.2rem;font-weight:700;letter-spacing:-.01em;margin-top:auto}
.app p{color:var(--ink-2);font-size:.94rem}
.app .more{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent-d);margin-top:4px;opacity:0;transition:opacity .2s ease}
a.app:hover .more{opacity:1}

/* ── gallery ── */
.gallery{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:14px;margin-top:48px;align-items:start}
.gallery .g{position:relative}
.gallery image-slot{width:100%;height:auto;border-radius:var(--r)}
image-slot#field-1{aspect-ratio:3/2}
image-slot#field-2{aspect-ratio:1/1}
image-slot#field-3{aspect-ratio:2/3}
.gcap{position:absolute;left:14px;bottom:14px;z-index:3;background:oklch(0.22 0.008 260 / .8);color:#fff;backdrop-filter:blur(6px);font-family:var(--mono);font-size:10.5px;letter-spacing:.05em;padding:6px 11px;border-radius:5px;white-space:nowrap}

/* ── specs table ── */
.spec-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(32px,5vw,64px);align-items:start}
.spec-table{width:100%;border-collapse:collapse;font-size:.96rem}
.spec-table tr{border-bottom:1px solid var(--line)}
.spec-table tr:first-child{border-top:1px solid var(--line)}
.spec-table th{text-align:left;font-family:var(--mono);font-weight:400;font-size:12px;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-3);padding:15px 0;width:46%;vertical-align:top}
.spec-table td{padding:15px 0;color:var(--ink);font-weight:500}
.spec-note{font-family:var(--mono);font-size:11.5px;color:var(--ink-3);margin-top:22px;line-height:1.7}
.cert-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.cert{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2);border:1px solid var(--line-2);border-radius:5px;padding:7px 12px;background:var(--surface)}

/* ── why us ── */
.why{display:grid;grid-template-columns:repeat(3,1fr);gap:36px 40px;margin-top:50px}
.why .w .ix{font-family:var(--mono);font-size:12px;color:var(--accent-d);letter-spacing:.08em}
.why .w h4{font-family:var(--disp);font-size:1.22rem;font-weight:700;letter-spacing:-.01em;margin-top:12px}
.why .w p{color:var(--ink-2);font-size:.97rem;margin-top:8px}
.why .w{padding-top:24px;border-top:2px solid var(--ink)}
.why-top{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,64px);align-items:center;margin-bottom:8px}
.why-media image-slot{width:100%;height:auto;aspect-ratio:626/488}

/* ── reviews ── */
.rev-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:50px}
.rev{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:26px 24px;display:flex;flex-direction:column;gap:16px;transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease}
.rev:hover{border-color:var(--line-2);transform:translateY(-3px);box-shadow:0 14px 34px oklch(0.2 0.02 260 / .07)}
.rev .stars{display:flex;gap:3px;color:var(--accent)}
.rev .stars svg{width:16px;height:16px;display:block}
.rev blockquote{font-size:1rem;line-height:1.6;color:var(--ink);font-weight:500}
.rev .who{display:flex;align-items:center;gap:13px;margin-top:auto;padding-top:4px}
.rev .who image-slot{width:46px;height:46px;flex:0 0 auto;border-radius:50%}
.rev .who .nm{font-family:var(--disp);font-weight:700;font-size:.98rem;letter-spacing:-.01em}
.rev .who .rl{font-family:var(--mono);font-size:11px;color:var(--ink-3);letter-spacing:.03em;margin-top:2px}
.rev-note{font-family:var(--mono);font-size:11.5px;color:var(--ink-3);margin-top:26px;text-align:center;line-height:1.7}

/* ── installation (dark band) ── */
.band-dark{background:var(--ink);color:oklch(0.84 0.01 260);border-block:1px solid var(--ink)}
.band-dark .eyebrow{color:var(--accent-light)}
.band-dark .eyebrow::before{background:var(--accent-light)}
.band-dark h2{color:#fff}
.band-dark .shead p{color:oklch(0.72 0.01 260)}
.install-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:50px}
.step{padding-top:24px;border-top:2px solid var(--accent-light)}
.step .snum{font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--accent-light)}
.step h4{font-family:var(--disp);font-size:1.25rem;font-weight:700;letter-spacing:-.01em;color:#fff;margin-top:12px}
.step p{color:oklch(0.72 0.01 260);font-size:.98rem;margin-top:8px}

/* ── faq ── */
.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(32px,5vw,64px);align-items:start}
.faq-list{display:flex;flex-direction:column}
.faq-item{border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:24px;padding:22px 0;font-family:var(--disp);font-weight:700;font-size:1.12rem;letter-spacing:-.01em;color:var(--ink);transition:color .15s ease}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--accent-d)}
.faq-item summary::after{content:"+";font-family:var(--mono);font-weight:400;font-size:1.5rem;line-height:1;color:var(--accent-d);flex:0 0 auto}
.faq-item[open] summary::after{content:"\2013"}
.faq-a{padding:0 0 24px;color:var(--ink-2);font-size:1rem;line-height:1.65;max-width:64ch}

/* ── prose (article / guide / about) ── */
.prose{max-width:68ch}
.prose > * + *{margin-top:18px}
.prose h2{font-size:clamp(1.5rem,2.6vw,2rem);margin-top:46px}
.prose h3{font-size:1.3rem;font-weight:700;margin-top:34px}
.prose p{color:var(--ink-2);font-size:1.06rem;line-height:1.72}
.prose strong{color:var(--ink);font-weight:600}
.prose ul,.prose ol{padding-left:1.1em;display:flex;flex-direction:column;gap:10px;color:var(--ink-2);font-size:1.04rem}
.prose li{line-height:1.65}
.prose li::marker{color:var(--accent-d)}
.prose a{color:var(--accent-d);text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--line-2)}
.prose a:hover{text-decoration-color:var(--accent-d)}
.prose blockquote{border-left:3px solid var(--accent);padding:6px 0 6px 22px;font-family:var(--disp);font-size:1.25rem;font-weight:600;color:var(--ink);letter-spacing:-.01em}
.callout{background:var(--accent-soft);border:1px solid oklch(0.88 0.04 256);border-radius:var(--r);padding:22px 24px;margin-top:30px}
.callout .ck{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-d)}
.callout p{color:var(--ink-2);font-size:1rem;margin-top:8px;line-height:1.65}
.toc{position:sticky;top:92px}
.toc .tlbl{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);margin-bottom:14px}
.toc ul{list-style:none;display:flex;flex-direction:column;gap:11px;border-left:1px solid var(--line);padding-left:16px}
.toc a{font-size:.95rem;color:var(--ink-2);transition:color .15s ease}
.toc a:hover{color:var(--accent-d)}
.article-grid{display:grid;grid-template-columns:230px 1fr;gap:clamp(32px,5vw,64px);align-items:start}

/* ── related / cross-link cards ── */
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:48px}
.rcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:26px 24px;display:flex;flex-direction:column;gap:10px;transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease}
.rcard:hover{border-color:var(--line-2);transform:translateY(-3px);box-shadow:0 14px 34px oklch(0.2 0.02 260 / .07)}
.rcard .rk{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-d)}
.rcard h4{font-family:var(--disp);font-size:1.18rem;font-weight:700;letter-spacing:-.01em}
.rcard p{color:var(--ink-2);font-size:.95rem;flex:1}
.rcard .go{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);display:inline-flex;gap:7px;align-items:center;margin-top:4px}
.rcard:hover .go{color:var(--accent-d)}

/* ── CTA band ── */
.cta-band{background:var(--accent);color:#fff;border-radius:var(--r);padding:clamp(36px,5vw,60px);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;margin-top:8px}
.cta-band h2{color:#fff;font-size:clamp(1.7rem,3vw,2.4rem);max-width:18ch}
.cta-band p{color:oklch(0.95 0.03 256);margin-top:10px;max-width:42ch}
.cta-band .btn{background:#fff;color:var(--accent-d);box-shadow:0 6px 22px oklch(0.3 0.1 256 / .28)}
.cta-band .btn:hover{background:oklch(0.96 0.01 256)}

/* ── contact ── */
.contact-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(36px,5vw,72px);align-items:start}
.contact-left h2{font-size:clamp(2rem,3.6vw,3rem);margin-top:18px}
.contact-left p{color:var(--ink-2);font-size:1.08rem;margin-top:18px;max-width:40ch}
.contact-info{display:flex;flex-direction:column;gap:2px;margin-top:38px}
.cinfo{display:flex;gap:14px;padding:18px 0;border-top:1px solid var(--line)}
.cinfo:last-child{border-bottom:1px solid var(--line)}
.cinfo .k{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);flex:0 0 110px;padding-top:2px}
.cinfo .v{font-weight:500}
.cinfo .v a:hover{color:var(--accent-d)}
form.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:clamp(24px,3vw,38px);box-shadow:0 16px 40px oklch(0.2 0.02 260 / .05)}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:18px}
.field.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label{font-family:var(--mono);font-size:11px;letter-spacing:.07em;text-transform:uppercase;color:var(--ink-2)}
input,select,textarea{
  font-family:var(--sans);font-size:15px;color:var(--ink);
  background:var(--bg);border:1px solid var(--line-2);border-radius:var(--r-sm);
  padding:12px 14px;transition:border-color .15s ease, box-shadow .15s ease;width:100%;
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px oklch(0.55 0.158 256 / .14)}
textarea{resize:vertical;min-height:104px}
form .btn{width:100%;justify-content:center;margin-top:6px}
.form-note{font-family:var(--mono);font-size:11px;color:var(--ink-3);text-align:center;margin-top:14px}
.form-sent{display:none;text-align:center;padding:30px 10px}
.form-sent.show{display:block}
.form-sent .chk{width:48px;height:48px;border-radius:50%;background:var(--accent-soft);color:var(--accent-d);display:grid;place-items:center;margin:0 auto 16px;font-size:24px}
.form-sent h3{font-family:var(--disp);font-size:1.4rem}
.form-sent p{color:var(--ink-2);margin-top:8px}

/* ── footer ── */
footer.ftr{background:var(--ink);color:oklch(0.78 0.01 260);padding-block:clamp(48px,6vw,72px) 36px}
.ftr-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.ftr .brand{color:#fff}
.ftr .brand small{color:oklch(0.6 0.02 260)}
.ftr-blurb{color:oklch(0.66 0.01 260);font-size:.95rem;margin-top:18px;max-width:34ch}
.ftr h5{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:oklch(0.6 0.02 260);margin-bottom:16px;font-weight:400}
.ftr ul{list-style:none;display:flex;flex-direction:column;gap:11px}
.ftr ul a{font-size:.95rem;color:oklch(0.82 0.01 260);transition:color .15s ease}
.ftr ul a:hover{color:#fff}
.ftr-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;margin-top:52px;padding-top:24px;border-top:1px solid oklch(0.32 0.01 260);font-family:var(--mono);font-size:11.5px;color:oklch(0.58 0.02 260);letter-spacing:.03em}

/* reveal */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ── responsive ── */
@media (max-width: 940px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{max-width:480px}
  .split{grid-template-columns:1fr;gap:36px}
  .split .split-media{order:-1}
  .grades{grid-template-columns:repeat(2,1fr)}
  .apps{grid-template-columns:repeat(2,1fr)}
  .gallery{grid-template-columns:1fr 1fr}
  .gallery .g:first-child{grid-column:1/-1}
  .spec-wrap{grid-template-columns:1fr;gap:36px}
  .why{grid-template-columns:repeat(2,1fr)}
  .why-top{grid-template-columns:1fr;gap:30px}
  .why-media{order:-1}
  .install-grid{grid-template-columns:1fr;gap:8px}
  .faq-wrap{grid-template-columns:1fr;gap:24px}
  .rev-grid{grid-template-columns:1fr}
  .related{grid-template-columns:1fr}
  .article-grid{grid-template-columns:1fr;gap:8px}
  .toc{position:static;margin-bottom:8px}
  .toc ul{flex-direction:row;flex-wrap:wrap;gap:8px 18px;border-left:0;padding-left:0}
  .contact-grid{grid-template-columns:1fr}
  .ftr-top{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
  .menu-btn{display:flex}
  .nav-links.open{display:flex;position:absolute;top:70px;left:0;right:0;flex-direction:column;background:var(--bg);border-bottom:1px solid var(--line);padding:18px var(--pad);gap:6px}
  .nav-links.open a{padding:10px 0;border-bottom:1px solid var(--line)}
}
@media (max-width: 560px){
  .grades,.apps,.why,.gallery,.rev-grid{grid-template-columns:1fr}
  .field.row2{grid-template-columns:1fr}
  .ftr-top{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start}
  .product-grid{grid-template-columns:1fr}
}

/* ── product cards (hub + home) ── */
.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:44px}
.cat-group + .cat-group{margin-top:52px}
.cat-head{display:flex;align-items:baseline;gap:14px;border-bottom:1px solid var(--line);padding-bottom:14px}
.cat-head h3{font-family:var(--disp);font-size:1.3rem;font-weight:700;letter-spacing:-.01em}
.cat-head .cnt{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3)}
.pcard{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:border-color .2s ease, transform .2s ease, box-shadow .2s ease}
.pcard:hover{border-color:var(--line-2);transform:translateY(-4px);box-shadow:0 18px 44px oklch(0.2 0.02 260 / .1)}
.pcard .pc-media{position:relative;aspect-ratio:16/10;background:var(--bg-2);overflow:hidden}
.pcard .pc-media image-slot{width:100%;height:100%}
.pcard .pc-cat{position:absolute;left:14px;top:14px;z-index:3;background:oklch(0.22 0.008 260 / .82);backdrop-filter:blur(6px);color:#fff;font-family:var(--mono);font-size:10px;letter-spacing:.06em;text-transform:uppercase;padding:6px 11px;border-radius:5px}
.pcard .pc-body{padding:26px 26px 28px;display:flex;flex-direction:column;gap:13px;flex:1}
.pcard h3{font-family:var(--disp);font-size:1.5rem;font-weight:800;letter-spacing:-.02em}
.pcard .pc-tag{color:var(--ink-2);font-size:1rem;line-height:1.5}
.pcard .pc-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px}
.pcard .pc-meta span{font-family:var(--mono);font-size:11px;letter-spacing:.03em;color:var(--ink-2);border:1px solid var(--line-2);border-radius:5px;padding:6px 10px;background:var(--bg)}
.pcard .pc-go{margin-top:auto;padding-top:6px;font-family:var(--sans);font-weight:600;font-size:14.5px;color:var(--accent-d);display:inline-flex;align-items:center;gap:8px}
.pcard:hover .pc-go .arr{transform:translateX(3px)}
.pcard .pc-go .arr{transition:transform .18s ease}

/* mobile: products dropdown collapses to plain links in the open menu */
@media (max-width:940px){
  .nav-dd{display:block}
  .nav-dd-trigger{padding:10px 0;border-bottom:1px solid var(--line);width:100%;justify-content:space-between}
  .nav-dd-menu{position:static;transform:none;opacity:1;visibility:visible;min-width:0;box-shadow:none;border:0;padding:6px 0 6px 14px;background:transparent}
  .nav-dd-menu::before{display:none}
  .nav-dd-item .ic{display:none}
  .nav-dd-foot{display:none}
}