/* TechPro Vision — techprovision.ai
   Palette: graphite ground #0b0d11 · surface #12151c · TechPro orange #ff6b00 (CTAs only)
   · data blue #4a9eff (telemetry) · Inter (UI/body) + JetBrains Mono (telemetry/labels) */

@font-face {
  font-family: 'Inter';
  src: url('assets/inter-var.woff2') format('woff2');
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: 'JetBrains Mono';
  src: url('assets/jbmono-var.woff2') format('woff2');
  font-weight: 100 800;
  font-display: swap;
}

:root {
  --ink: #0b0d11;
  --ink-2: #0e1117;
  --surface: #12151c;
  --surface-2: #171b24;
  --line: rgba(255, 255, 255, 0.08);
  --line-2: rgba(255, 255, 255, 0.14);
  --text: #e8ebf0;
  --muted: #9aa4b2;
  --faint: #6b7585;
  --brand: #ff6b00;
  --brand-soft: rgba(255, 107, 0, 0.12);
  --blue: #4a9eff;
  --blue-soft: rgba(74, 158, 255, 0.12);
  --good: #34d399;
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --max: 1200px;
  --radius: 14px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  background: var(--ink);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, video { max-width: 100%; display: block; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* ---------- eyebrow / headings ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.eyebrow::before { content: ''; width: 22px; height: 1px; background: var(--blue); flex: none; }
h1, h2, h3 { text-wrap: balance; line-height: 1.12; letter-spacing: -0.02em; }
h2 { font-size: clamp(30px, 4.4vw, 46px); font-weight: 800; margin-bottom: 18px; }
.lead { color: var(--muted); font-size: clamp(17px, 1.6vw, 20px); max-width: 62ch; }
section { padding: 96px 0; scroll-margin-top: 64px; }
section.tight { padding: 72px 0; }

/* ---------- nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  background: rgba(11, 13, 17, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}
.nav.scrolled { border-bottom-color: var(--line); }
.nav-inner {
  max-width: var(--max); margin: 0 auto; padding: 0 24px;
  height: 64px; display: flex; align-items: center; gap: 28px;
}
.nav-logo { display: flex; align-items: center; gap: 11px; font-weight: 800; letter-spacing: 0.04em; color: var(--text); font-size: 15px; }
.nav-logo:hover { text-decoration: none; }
.nav-logo img { width: 28px; height: 28px; border-radius: 7px; }
.nav-logo .thin { color: var(--blue); font-weight: 600; }
.nav-links { display: flex; gap: 20px; margin-left: auto; align-items: center; }
.nav-links a { color: var(--muted); font-size: 14.5px; font-weight: 600; white-space: nowrap; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-cta {
  background: var(--brand); color: #fff !important; padding: 8px 15px; border-radius: 8px;
  font-weight: 700; font-size: 14px; white-space: nowrap;
}
.nav-cta:hover { background: #ff7d1f; text-decoration: none; }
.nav-portal { font-family: var(--mono); font-size: 12.5px !important; letter-spacing: 0.04em; }
.nav-burger { display: none; margin-left: auto; background: none; border: 1px solid var(--line-2); color: var(--text); border-radius: 8px; padding: 11px 10px; cursor: pointer; }
.nav-burger .bars { display: grid; gap: 4px; }
.nav-burger .bars span { display: block; width: 18px; height: 2px; background: var(--text); border-radius: 2px; }

@media (max-width: 1180px) {
  .nav-links {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    background: rgba(11, 13, 17, 0.97); flex-direction: column; padding: 18px 24px 24px; gap: 18px;
    border-bottom: 1px solid var(--line);
  }
  .nav-links.open { display: flex; }
  .nav-burger { display: block; }
}

/* ---------- hero ---------- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: flex-end; padding: 0; }
.hero-media { position: absolute; inset: 0; overflow: hidden; }
.hero-media video, .hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: top center; }
.hero-media::after {
  content: ''; position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(11,13,17,0.74) 0%, rgba(11,13,17,0.38) 34%, rgba(11,13,17,0.86) 78%, var(--ink) 100%);
}
.hero-inner { position: relative; z-index: 2; width: 100%; padding: 140px 0 0; }
@media (max-width: 700px) {
  .hero-media::after {
    background: linear-gradient(180deg, rgba(11,13,17,0.78) 0%, rgba(11,13,17,0.62) 34%, rgba(11,13,17,0.92) 78%, var(--ink) 100%);
  }
}
.hero h1 { font-size: clamp(40px, 6.4vw, 74px); font-weight: 800; max-width: 15ch; margin-bottom: 22px; }
.hero .lead { max-width: 56ch; }
.hero-live {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text); display: inline-flex; align-items: center; gap: 9px; margin-bottom: 24px;
  background: rgba(11,13,17,0.55); border: 1px solid var(--line-2); border-radius: 999px; padding: 7px 15px;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: #ff4d4d; flex: none; animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }
.hero-ctas { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 15px 28px; border-radius: 11px; font-weight: 700; font-size: 16px;
  border: 1px solid transparent; cursor: pointer;
}
.btn:hover { text-decoration: none; }
.btn-brand { background: var(--brand); color: #fff; box-shadow: 0 8px 32px rgba(255, 107, 0, 0.3); }
.btn-brand:hover { background: #ff7d1f; }
.btn-ghost { border-color: var(--line-2); color: var(--text); background: rgba(255,255,255,0.03); }
.btn-ghost:hover { border-color: rgba(255,255,255,0.3); }

.hero-stats {
  margin-top: 64px; border-top: 1px solid var(--line);
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: rgba(11,13,17,0.35);
}
.hero-stats > div { padding: 22px 8px 26px; text-align: center; border-left: 1px solid var(--line); }
.hero-stats > div:first-child { border-left: none; }
.hero-stats .num { font-family: var(--mono); font-weight: 600; font-size: clamp(19px, 2.4vw, 27px); color: var(--text); font-variant-numeric: tabular-nums; }
.hero-stats .lbl { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); margin-top: 5px; }
@media (max-width: 700px) {
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .hero-stats > div:nth-child(3) { border-left: none; }
  .hero-stats > div { border-top: 1px solid var(--line); }
  .hero-stats > div:nth-child(-n+2) { border-top: none; }
}

/* ---------- problem section ---------- */
.problem-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 52px; }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px;
}
.card h3 { font-size: 19px; font-weight: 700; margin: 14px 0 10px; }
.card p { color: var(--muted); font-size: 15.5px; }
.card .glyph {
  width: 42px; height: 42px; border-radius: 10px; background: var(--blue-soft);
  display: flex; align-items: center; justify-content: center; color: var(--blue);
}
.card .glyph svg { width: 22px; height: 22px; }
@media (max-width: 880px) { .problem-grid { grid-template-columns: 1fr; } }

.brands {
  margin-top: 46px; display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
}
.brands .chip {
  font-family: var(--mono); font-size: 13px; color: var(--muted);
  border: 1px solid var(--line-2); border-radius: 999px; padding: 7px 16px;
}
.brands .chip.hot { color: var(--text); border-color: rgba(74,158,255,0.45); background: var(--blue-soft); }
.brands-note { font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); width: 100%; margin-bottom: 4px; }

/* ---------- product tour / viewfinder frames ---------- */
.tour { padding-top: 40px; }
.shot-block { display: grid; grid-template-columns: 1.35fr 1fr; gap: 56px; align-items: center; padding: 64px 0; }
.shot-block.flip { grid-template-columns: 1fr 1.35fr; }
.shot-block.flip .shot { order: 2; }
@media (max-width: 980px) {
  .shot-block, .shot-block.flip { grid-template-columns: 1fr; gap: 30px; padding: 44px 0; }
  .shot-block.flip .shot { order: 0; }
}
.shot { position: relative; }
.shot .vf { position: relative; }
.shot .frame {
  position: relative; border-radius: 12px; overflow: hidden;
  border: 1px solid var(--line-2);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.55);
  background: var(--ink-2);
}
/* viewfinder corner brackets — the product's signature tile treatment */
.shot .vf::before, .shot .vf::after,
.shot .vf .c3, .shot .vf .c4 {
  content: ''; position: absolute; width: 26px; height: 26px; z-index: 3;
  border-color: var(--blue); border-style: solid; pointer-events: none;
}
.shot .vf::before { top: -8px; left: -8px; border-width: 2px 0 0 2px; }
.shot .vf::after { top: -8px; right: -8px; border-width: 2px 2px 0 0; }
.shot .vf .c3 { bottom: -8px; left: -8px; border-width: 0 0 2px 2px; }
.shot .vf .c4 { bottom: -8px; right: -8px; border-width: 0 2px 2px 0; }
.shot .frame img { width: 100%; height: auto; }
.shot .meta {
  display: flex; justify-content: space-between; gap: 12px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--muted); padding: 12px 4px 0;
}
.shot .meta .live { color: var(--good); }
.shot-copy h3 { font-size: clamp(24px, 2.8vw, 32px); font-weight: 800; margin-bottom: 14px; }
.shot-copy p { color: var(--muted); }
.shot-copy ul { list-style: none; margin-top: 18px; display: grid; gap: 10px; }
.shot-copy li { padding-left: 26px; position: relative; color: var(--muted); font-size: 15.5px; }
.shot-copy li::before { content: ''; position: absolute; left: 2px; top: 9px; width: 12px; height: 2px; background: var(--brand); }
.shot-copy li strong { color: var(--text); font-weight: 600; }

/* ---------- feature grids ---------- */
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 52px; }
@media (max-width: 980px) { .feat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .feat-grid { grid-template-columns: 1fr; } }
.feat {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px;
  transition: border-color 0.25s, transform 0.25s;
}
.feat:hover { border-color: rgba(74,158,255,0.35); transform: translateY(-2px); }
.feat .tag {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--blue); display: block; margin-bottom: 10px;
}
.feat h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.feat p { color: var(--muted); font-size: 14.5px; }

.callout {
  margin-top: 44px; border: 1px solid rgba(74,158,255,0.3); background: var(--blue-soft);
  border-radius: var(--radius); padding: 26px 30px;
  display: flex; gap: 18px; align-items: flex-start;
}
.callout .mark { font-family: var(--mono); color: var(--blue); font-weight: 600; font-size: 13px; letter-spacing: 0.12em; flex: none; padding-top: 2px; }
.callout p { color: var(--text); font-size: 16.5px; max-width: 70ch; }

/* ---------- dark band (ai section) ---------- */
.band { background: var(--ink-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

/* ---------- ownership ---------- */
.own-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; margin-top: 8px; }
@media (max-width: 900px) { .own-grid { grid-template-columns: 1fr; } }
.own-list { display: grid; gap: 0; margin-top: 34px; }
.own-item { padding: 22px 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: 52px 1fr; gap: 18px; }
.own-item:last-child { border-bottom: 1px solid var(--line); }
.own-item .idx { font-family: var(--mono); color: var(--brand); font-weight: 600; font-size: 14px; padding-top: 3px; }
.own-item h3 { font-size: 18px; font-weight: 700; margin-bottom: 6px; }
.own-item p { color: var(--muted); font-size: 15.5px; }
.pricing-box {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px; position: sticky; top: 92px;
}
.pricing-box .row { display: flex; justify-content: space-between; gap: 14px; padding: 15px 0; border-bottom: 1px solid var(--line); font-size: 15.5px; }
.pricing-box .row:last-of-type { border-bottom: none; }
.pricing-box .row span:first-child { color: var(--muted); }
.pricing-box .row span:last-child { font-family: var(--mono); color: var(--text); text-align: right; }
.pricing-box .btn { width: 100%; justify-content: center; margin-top: 22px; }
.pricing-box .fine { font-size: 13px; color: var(--muted); margin-top: 14px; text-align: center; }

/* ---------- compare table ---------- */
.table-scroll { overflow-x: auto; margin-top: 48px; border: 1px solid var(--line); border-radius: var(--radius); }
table.compare { width: 100%; border-collapse: collapse; min-width: 720px; background: var(--surface); }
.compare th, .compare td { padding: 15px 20px; text-align: left; border-bottom: 1px solid var(--line); font-size: 15px; }
.compare thead th { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); background: var(--ink-2); }
.compare thead th.us { color: var(--brand); }
.compare tbody th { font-weight: 600; color: var(--text); }
.compare td { color: var(--muted); }
.compare td.us { background: rgba(255, 107, 0, 0.05); }
.compare .yes { color: var(--good); font-weight: 600; }
.compare .no { color: #f87171; }
.compare .part { color: #fbbf24; }

/* ---------- faq ---------- */
.faq-list { margin-top: 44px; max-width: 860px; }
details {
  border-top: 1px solid var(--line);
}
details:last-child { border-bottom: 1px solid var(--line); }
summary {
  cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 20px;
  padding: 22px 4px; font-weight: 600; font-size: 17.5px;
}
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; font-family: var(--mono); color: var(--blue); font-size: 22px; flex: none; transition: transform 0.2s; }
details[open] summary::after { transform: rotate(45deg); }
details .a { padding: 0 4px 24px; color: var(--muted); max-width: 72ch; }

/* ---------- contact ---------- */
.contact {
  text-align: center; padding: 110px 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 100%, rgba(255, 107, 0, 0.13), transparent),
    var(--ink-2);
  border-top: 1px solid var(--line);
}
.contact h2 { font-size: clamp(32px, 5vw, 52px); }
.contact .lead { margin: 0 auto 36px; }
.contact-email { font-family: var(--mono); font-size: 15px; color: var(--muted); margin-top: 22px; }
.contact-email a { color: var(--text); }

/* ---------- footer ---------- */
footer { border-top: 1px solid var(--line); padding: 52px 0 64px; }
.foot { display: flex; flex-wrap: wrap; gap: 40px; justify-content: space-between; align-items: flex-start; }
.foot-brand { display: flex; align-items: center; gap: 11px; font-weight: 800; font-size: 15px; letter-spacing: 0.04em; }
.foot-brand img { width: 26px; height: 26px; border-radius: 6px; }
.foot-brand .thin { color: var(--blue); font-weight: 600; }
.foot p { color: var(--muted); font-size: 13.5px; margin-top: 12px; max-width: 44ch; }
.foot-col h3 { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); margin-bottom: 14px; font-weight: 600; }
.foot-col ul { list-style: none; display: grid; gap: 9px; }
.foot-col a { color: var(--text); font-size: 14.5px; opacity: 0.85; }
.legal { margin-top: 44px; padding-top: 24px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 14px; justify-content: space-between; font-size: 13px; color: var(--muted); font-family: var(--mono); }

/* ---------- reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }

/* ---------- AI-reviewed alarms (#reviewed) ---------- */
.walkthrough {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 52px; align-items: start;
  margin-top: 56px;
}
@media (max-width: 980px) { .walkthrough { grid-template-columns: 1fr; gap: 34px; } }
.walkthrough .shot { position: sticky; top: 92px; }
@media (max-width: 980px) { .walkthrough .shot { position: static; } }
.steps { display: grid; gap: 0; }
.step {
  display: grid; grid-template-columns: 86px 1fr; gap: 18px;
  padding: 18px 0; border-top: 1px solid var(--line);
}
.step:first-child { border-top: none; padding-top: 0; }
.step .t {
  font-family: var(--mono); font-size: 12.5px; color: var(--faint);
  padding-top: 3px; font-variant-numeric: tabular-nums; white-space: nowrap;
}
.step h3 {
  font-size: 15px; font-weight: 700; margin-bottom: 5px;
  display: flex; align-items: center; gap: 9px; flex-wrap: wrap;
}
.step .chip {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  border-radius: 5px; padding: 2px 8px; font-weight: 600;
}
.chip-free { color: var(--muted); border: 1px solid var(--line-2); }
.chip-ai { color: var(--blue); background: var(--blue-soft); }
.chip-go { color: var(--good); background: rgba(52, 211, 153, 0.12); }
.step p { color: var(--muted); font-size: 14.5px; max-width: 60ch; }
.step p q { color: var(--text); font-style: italic; quotes: '\201C' '\201D'; }
.sms {
  margin-top: 6px; background: var(--surface-2); border: 1px solid var(--line-2);
  border-radius: 14px 14px 14px 4px; padding: 14px 16px; max-width: 46ch;
  font-size: 14px; line-height: 1.5; color: var(--text);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}
.sms .from { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); margin-bottom: 7px; }
.sms .lnk { color: var(--blue); }

.verdicts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 56px; }
@media (max-width: 980px) { .verdicts { grid-template-columns: 1fr; } }
.verdict {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
}
.verdict img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; }
.walkthrough .frame video { width: 100%; height: auto; display: block; }
.verdict .vbody { padding: 20px 22px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.verdict .vhead { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.verdict .rule { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.verdict .call { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; font-weight: 700; padding: 3px 9px; border-radius: 5px; white-space: nowrap; }
.call-sent { color: var(--good); background: rgba(52, 211, 153, 0.12); }
.call-quiet { color: var(--muted); border: 1px solid var(--line-2); }
.call-rescued { color: var(--blue); background: var(--blue-soft); }
.verdict blockquote { color: var(--text); font-size: 15px; font-style: italic; }
.verdict .why { color: var(--muted); font-size: 13.5px; margin-top: auto; }

.two-q { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 56px; }
@media (max-width: 880px) { .two-q { grid-template-columns: 1fr; } }
.two-q .card h3 { margin-top: 0; font-size: 20px; }
.two-q .card p { max-width: 62ch; }
.two-q .card .q { font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--blue); margin-bottom: 12px; display: block; }

/* ---------- digital guard (#guard) ---------- */
.shift { margin-top: 56px; border-top: 1px solid var(--line); }
.duty {
  display: grid; grid-template-columns: 110px 1fr; gap: 22px;
  padding: 26px 0; border-bottom: 1px solid var(--line);
}
@media (max-width: 640px) { .duty { grid-template-columns: 1fr; gap: 8px; padding: 22px 0; } }
.duty .when { font-family: var(--mono); font-size: 13px; color: var(--brand); font-weight: 600; padding-top: 4px; font-variant-numeric: tabular-nums; }
.duty h3 { font-size: 19px; font-weight: 700; margin-bottom: 7px; }
.duty p { color: var(--muted); font-size: 15.5px; max-width: 64ch; }
.note-line { margin-top: 28px; color: var(--muted); font-size: 14.5px; max-width: 70ch; }

/* ---------- full-width demo video ---------- */
.demo-wide { margin-top: 56px; }
.demo-wide .vf { max-width: 1100px; margin: 0 auto; }
.demo-wide .meta { max-width: 1100px; margin: 0 auto; }
.demo-wide video { width: 100%; height: auto; display: block; }
.demo-caption { max-width: 1100px; margin: 18px auto 0; color: var(--muted); font-size: 15px; }
.demo-caption strong { color: var(--text); }

/* ---------- lightbox ---------- */
.frame img[data-zoom] { cursor: zoom-in; }
.lightbox {
  position: fixed; inset: 0; z-index: 100; display: none;
  background: rgba(6, 8, 11, 0.94); cursor: zoom-out;
  align-items: center; justify-content: center; padding: 3vh 3vw;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 100%; max-height: 94vh; width: auto; height: auto; border-radius: 8px; box-shadow: 0 30px 90px rgba(0,0,0,0.7); }
.zoom-hint { font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--faint); margin-top: 10px; }
