/* ==========================================================================
   Elarcam — Shenzhen Connors E-commerce Co., Ltd.
   Premium security-optics brand styling. Obsidian theme, aqua signal accent.
   ========================================================================== */

:root {
  /* Surfaces */
  --bg:        #07090d;
  --bg-elev:   #0c1016;
  --surface:   #11161f;
  --surface-2: #161d28;
  --line:      rgba(255, 255, 255, 0.08);
  --line-soft: rgba(255, 255, 255, 0.05);

  /* Ink */
  --text:      #eaf0f5;
  --text-dim:  #97a6b6;
  --text-mut:  #5e6c7c;

  /* Signal */
  --accent:    #38e3c4;   /* lens aqua */
  --accent-2:  #2ba7ff;   /* signal blue */
  --warm:      #ffb255;   /* night / alert amber */
  --danger:    #ff6b6b;

  --grad-signal: linear-gradient(115deg, #38e3c4 0%, #2ba7ff 100%);
  --grad-night:  radial-gradient(120% 120% at 80% -10%, rgba(43,167,255,.20), transparent 55%),
                 radial-gradient(120% 120% at -10% 10%, rgba(56,227,196,.16), transparent 50%);

  --shadow:     0 24px 60px -20px rgba(0, 0, 0, 0.75);
  --shadow-sm:  0 8px 24px -12px rgba(0, 0, 0, 0.7);
  --glow:       0 0 0 1px rgba(56,227,196,.35), 0 12px 40px -12px rgba(56,227,196,.35);

  --radius:    18px;
  --radius-sm: 12px;
  --maxw:      1180px;

  --font-display: "Sora", "Segoe UI", system-ui, sans-serif;
  --font-body:    "Manrope", system-ui, -apple-system, sans-serif;
  --font-mono:    "Space Mono", ui-monospace, "SFMono-Regular", monospace;
}

/* CJK font stacks per active language */
html[lang="zh"] { --font-body: "Noto Sans SC", "Manrope", system-ui, sans-serif; --font-display: "Noto Sans SC", "Sora", sans-serif; }
html[lang="ja"] { --font-body: "Noto Sans JP", "Manrope", system-ui, sans-serif; --font-display: "Noto Sans JP", "Sora", sans-serif; }

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 17px;
  letter-spacing: .005em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Atmospheric background: gradient mesh + fine grain */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: -2;
  background: var(--grad-night);
  pointer-events: none;
}
body::after {
  content: "";
  position: fixed; inset: 0; z-index: -1;
  opacity: .035; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

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

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.12; letter-spacing: -0.02em; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.mono { font-family: var(--font-mono); letter-spacing: 0; }
.accent-text { color: var(--accent); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-mono); font-size: 12.5px; letter-spacing: .22em;
  text-transform: uppercase; color: var(--accent);
  padding: 6px 13px; border: 1px solid var(--line);
  border-radius: 100px; background: rgba(56,227,196,.05);
}
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px var(--accent); }

.gradient-text {
  background: var(--grad-signal);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-display); font-weight: 600; font-size: 15px;
  padding: 13px 24px; border-radius: 100px; cursor: pointer;
  border: 1px solid transparent; transition: all .25s ease; white-space: nowrap;
}
.btn-primary { background: var(--grad-signal); color: #04121a; box-shadow: 0 10px 30px -10px rgba(43,167,255,.6); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -10px rgba(43,167,255,.7); }
.btn-ghost { border-color: var(--line); color: var(--text); background: rgba(255,255,255,.02); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn svg { width: 17px; height: 17px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  background: rgba(7,9,13,.72);
  border-bottom: 1px solid var(--line-soft);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 11px; font-family: var(--font-display); font-weight: 800; font-size: 21px; letter-spacing: -.02em; }
.brand .mark { width: 34px; height: 34px; }
.brand b { font-weight: 800; }
.brand .tld { color: var(--accent); }

.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; }
.nav-links a {
  display: block; padding: 9px 15px; border-radius: 100px;
  font-size: 15px; color: var(--text-dim); font-weight: 500; transition: all .2s;
}
.nav-links a:hover { color: var(--text); background: rgba(255,255,255,.04); }
.nav-links a.active { color: var(--text); }
.header-cta { display: flex; align-items: center; gap: 12px; }

.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: 10px; width: 42px; height: 42px; cursor: pointer; color: var(--text); }

/* ---------- Language switcher ---------- */
.lang-switch { position: relative; }
.lang-btn {
  display: inline-flex; align-items: center; gap: 7px; cursor: pointer;
  background: rgba(255,255,255,.02); border: 1px solid var(--line); color: var(--text-dim);
  border-radius: 100px; padding: 9px 13px; font-family: var(--font-body); font-size: 14px; font-weight: 600;
  transition: all .2s;
}
.lang-btn:hover { color: var(--text); border-color: var(--accent); }
.lang-btn .lang-cur { line-height: 1; }
.lang-menu {
  position: absolute; top: calc(100% + 10px); right: 0; min-width: 168px; z-index: 200;
  list-style: none; margin: 0; padding: 7px;
  background: var(--bg-elev); border: 1px solid var(--line); border-radius: 14px;
  box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s;
}
.lang-switch.open .lang-menu { opacity: 1; visibility: visible; transform: none; }
.lang-opt {
  display: block; width: 100%; text-align: left; cursor: pointer;
  background: none; border: 0; color: var(--text-dim); font-family: var(--font-body); font-size: 14.5px;
  padding: 10px 13px; border-radius: 9px; transition: all .15s;
}
.lang-opt:hover { background: rgba(255,255,255,.05); color: var(--text); }
.lang-opt.active { color: var(--accent); background: rgba(56,227,196,.06); }
@media (max-width: 680px) {
  .lang-menu { right: 0; left: auto; }
}

/* ---------- Hero ---------- */
.hero { position: relative; padding: clamp(72px, 12vw, 150px) 0 clamp(60px, 9vw, 110px); overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(42px, 6vw, 78px); margin: 22px 0 22px; }
.hero p.lead { font-size: clamp(17px, 2vw, 21px); color: var(--text-dim); max-width: 33ch; }
.hero-actions { display: flex; gap: 14px; margin-top: 36px; flex-wrap: wrap; }

/* scanning frame around hero device */
.hero-visual { position: relative; }
.scan-frame {
  position: relative; aspect-ratio: 1/1; border-radius: 26px;
  background:
    radial-gradient(70% 70% at 50% 40%, rgba(43,167,255,.18), transparent 70%),
    linear-gradient(180deg, var(--surface), var(--bg-elev));
  border: 1px solid var(--line); box-shadow: var(--shadow); overflow: hidden;
  display: grid; place-items: center;
}
.scan-frame::before { /* HUD grid */
  content: ""; position: absolute; inset: 0; opacity: .4;
  background-image: linear-gradient(var(--line-soft) 1px, transparent 1px),
                    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask: radial-gradient(75% 75% at 50% 50%, #000, transparent);
          mask: radial-gradient(75% 75% at 50% 50%, #000, transparent);
}
.scan-frame::after { /* sweeping scan line */
  content: ""; position: absolute; left: 0; right: 0; height: 28%;
  background: linear-gradient(180deg, transparent, rgba(56,227,196,.18), transparent);
  animation: scan 4.5s ease-in-out infinite;
}
@keyframes scan { 0%,100% { top: -28%; } 50% { top: 100%; } }
.scan-corner { position: absolute; width: 26px; height: 26px; border: 2px solid var(--accent); opacity: .7; }
.scan-corner.tl { top: 18px; left: 18px; border-right: 0; border-bottom: 0; }
.scan-corner.tr { top: 18px; right: 18px; border-left: 0; border-bottom: 0; }
.scan-corner.bl { bottom: 18px; left: 18px; border-right: 0; border-top: 0; }
.scan-corner.br { bottom: 18px; right: 18px; border-left: 0; border-top: 0; }
.hero-cam { width: 64%; filter: drop-shadow(0 30px 50px rgba(0,0,0,.6)); position: relative; z-index: 2; }
.rec-dot { position: absolute; top: 20px; right: 56px; display: flex; align-items: center; gap: 7px; font-family: var(--font-mono); font-size: 11px; letter-spacing: .15em; color: var(--danger); z-index: 3; }
.rec-dot span { width: 8px; height: 8px; border-radius: 50%; background: var(--danger); animation: blink 1.4s steps(1) infinite; }
@keyframes blink { 50% { opacity: .25; } }

/* ---------- Trust / stats bar ---------- */
.trustbar { border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); background: rgba(255,255,255,.012); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-item { padding: 30px 24px; text-align: center; border-right: 1px solid var(--line-soft); }
.trust-item:last-child { border-right: 0; }
.trust-item .num { font-family: var(--font-display); font-size: clamp(28px, 4vw, 40px); font-weight: 800; }
.trust-item .lbl { font-size: 13.5px; color: var(--text-dim); margin-top: 4px; }

/* ---------- Sections ---------- */
.section { padding: clamp(64px, 9vw, 120px) 0; }
.section-head { max-width: 660px; margin-bottom: 56px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { font-size: clamp(30px, 4.4vw, 50px); margin: 18px 0 16px; }
.section-head p { color: var(--text-dim); font-size: 18px; }

/* ---------- Feature grid ---------- */
.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  position: relative; padding: 30px; border-radius: var(--radius);
  background: linear-gradient(180deg, var(--surface), var(--bg-elev));
  border: 1px solid var(--line); transition: transform .3s ease, border-color .3s ease;
  overflow: hidden;
}
.card:hover { transform: translateY(-5px); border-color: rgba(56,227,196,.3); }
.card .ico {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  background: rgba(56,227,196,.08); border: 1px solid var(--line); color: var(--accent); margin-bottom: 20px;
}
.card .ico svg { width: 26px; height: 26px; }
.card h3 { font-size: 20px; margin-bottom: 10px; }
.card p { color: var(--text-dim); font-size: 15.5px; }
.card .tag { position: absolute; top: 20px; right: 20px; font-family: var(--font-mono); font-size: 11px; color: var(--text-mut); letter-spacing: .1em; }

/* ---------- Product cards ---------- */
.product-card {
  display: flex; flex-direction: column; border-radius: var(--radius);
  background: linear-gradient(180deg, var(--surface), var(--bg-elev));
  border: 1px solid var(--line); overflow: hidden; transition: transform .3s, border-color .3s, box-shadow .3s;
}
.product-card:hover { transform: translateY(-6px); border-color: rgba(56,227,196,.32); box-shadow: var(--shadow); }
.product-media {
  position: relative; aspect-ratio: 4/3; display: grid; place-items: center;
  background: radial-gradient(80% 80% at 50% 35%, rgba(43,167,255,.14), transparent 70%), var(--bg-elev);
  border-bottom: 1px solid var(--line);
}
.product-media svg { width: 56%; filter: drop-shadow(0 18px 30px rgba(0,0,0,.5)); }
.product-media .badge { position: absolute; top: 16px; left: 16px; font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; padding: 5px 11px; border-radius: 100px; background: rgba(7,9,13,.6); border: 1px solid var(--line); color: var(--accent); }
.product-body { padding: 26px; flex: 1; display: flex; flex-direction: column; }
.product-body h3 { font-size: 22px; }
.product-body .sub { color: var(--accent); font-family: var(--font-mono); font-size: 12.5px; letter-spacing: .08em; margin: 4px 0 14px; }
.product-body p { color: var(--text-dim); font-size: 15px; }
.spec-list { list-style: none; margin: 18px 0 0; display: grid; gap: 9px; }
.spec-list li { display: flex; gap: 10px; font-size: 14.5px; color: var(--text-dim); align-items: flex-start; }
.spec-list li svg { width: 16px; height: 16px; color: var(--accent); flex-shrink: 0; margin-top: 4px; }
.product-foot { margin-top: auto; padding-top: 22px; }

/* ---------- Split feature ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split.rev .split-media { order: 2; }
.split-media {
  border-radius: var(--radius); border: 1px solid var(--line); aspect-ratio: 5/4;
  background: radial-gradient(70% 70% at 50% 40%, rgba(43,167,255,.16), transparent 70%), linear-gradient(180deg, var(--surface), var(--bg-elev));
  display: grid; place-items: center; overflow: hidden; position: relative;
}
.split-media svg { width: 62%; }
.split h2 { font-size: clamp(26px, 3.6vw, 40px); margin-bottom: 18px; }
.split p { color: var(--text-dim); margin-bottom: 16px; }
.check-list { list-style: none; display: grid; gap: 12px; margin-top: 8px; }
.check-list li { display: flex; gap: 12px; align-items: flex-start; }
.check-list li svg { width: 20px; height: 20px; color: var(--accent); flex-shrink: 0; margin-top: 3px; }
.check-list li b { font-family: var(--font-display); }

/* ---------- Scenario tiles ---------- */
.scenario { position: relative; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); min-height: 280px; padding: 28px; display: flex; flex-direction: column; justify-content: flex-end; background: linear-gradient(180deg, var(--surface), var(--bg-elev)); transition: transform .3s, border-color .3s; }
.scenario:hover { transform: translateY(-5px); border-color: rgba(56,227,196,.3); }
.scenario .scenario-art { position: absolute; inset: 0; opacity: .5; }
.scenario .scenario-art svg { width: 100%; height: 100%; }
.scenario .scenario-content { position: relative; z-index: 2; }
.scenario h3 { font-size: 22px; margin-bottom: 8px; }
.scenario p { color: var(--text-dim); font-size: 15px; }
.scenario .pill { position: relative; z-index: 2; align-self: flex-start; font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em; padding: 5px 12px; border-radius: 100px; border: 1px solid var(--line); color: var(--accent); margin-bottom: 16px; }

/* ---------- Spec table ---------- */
.spec-table { width: 100%; border-collapse: collapse; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.spec-table th, .spec-table td { text-align: left; padding: 16px 20px; border-bottom: 1px solid var(--line-soft); font-size: 15px; }
.spec-table th { font-family: var(--font-mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--text-mut); background: rgba(255,255,255,.02); }
.spec-table td { color: var(--text-dim); }
.spec-table tr td:first-child { color: var(--text); font-weight: 600; width: 30%; }
.spec-table tr:last-child td { border-bottom: 0; }

/* ---------- CTA band ---------- */
.cta-band { position: relative; border-radius: 26px; padding: clamp(40px, 6vw, 72px); text-align: center; overflow: hidden; border: 1px solid var(--line); background: linear-gradient(180deg, var(--surface-2), var(--bg-elev)); }
.cta-band::before { content: ""; position: absolute; inset: 0; background: var(--grad-night); opacity: .9; }
.cta-band > * { position: relative; z-index: 2; }
.cta-band h2 { font-size: clamp(28px, 4.4vw, 46px); margin-bottom: 16px; }
.cta-band p { color: var(--text-dim); max-width: 52ch; margin: 0 auto 30px; font-size: 18px; }

/* ---------- Page hero (interior) ---------- */
.page-hero { padding: clamp(64px, 9vw, 110px) 0 clamp(40px, 6vw, 64px); border-bottom: 1px solid var(--line-soft); position: relative; }
.page-hero h1 { font-size: clamp(36px, 5.4vw, 64px); margin: 20px 0 18px; }
.page-hero p { color: var(--text-dim); font-size: 19px; max-width: 60ch; }

/* ---------- Prose (legal/about) ---------- */
.prose { max-width: 800px; margin: 0 auto; }
.prose h2 { font-size: 26px; margin: 44px 0 14px; }
.prose h3 { font-size: 19px; margin: 28px 0 10px; }
.prose p, .prose li { color: var(--text-dim); margin-bottom: 14px; }
.prose ul, .prose ol { padding-left: 22px; margin-bottom: 14px; }
.prose strong { color: var(--text); }
.prose .updated { font-family: var(--font-mono); font-size: 13px; color: var(--text-mut); }

/* info / contact rows */
.info-rows { display: grid; gap: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.info-rows .row { display: grid; grid-template-columns: 220px 1fr; gap: 20px; padding: 20px 26px; border-bottom: 1px solid var(--line-soft); }
.info-rows .row:last-child { border-bottom: 0; }
.info-rows .row .k { font-family: var(--font-mono); font-size: 13px; letter-spacing: .06em; color: var(--text-mut); text-transform: uppercase; }
.info-rows .row .v { color: var(--text); }
.info-rows .row .v a { color: var(--accent); }

/* timeline */
.timeline { display: grid; gap: 0; }
.timeline .t-item { display: grid; grid-template-columns: 130px 1fr; gap: 26px; padding: 26px 0; border-top: 1px solid var(--line-soft); }
.timeline .t-item .yr { font-family: var(--font-display); font-weight: 800; font-size: 22px; color: var(--accent); }
.timeline .t-item h3 { font-size: 19px; margin-bottom: 6px; }
.timeline .t-item p { color: var(--text-dim); font-size: 15px; }

/* faq */
.faq details { border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 4px 22px; margin-bottom: 12px; background: var(--surface); }
.faq summary { cursor: pointer; list-style: none; padding: 18px 0; font-family: var(--font-display); font-weight: 600; font-size: 17px; display: flex; justify-content: space-between; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 24px; color: var(--accent); font-weight: 400; }
.faq details[open] summary::after { content: "−"; }
.faq details p { color: var(--text-dim); padding-bottom: 20px; font-size: 15.5px; }

/* contact form */
.form-grid { display: grid; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field label { display: block; font-size: 13px; font-family: var(--font-mono); letter-spacing: .06em; color: var(--text-dim); margin-bottom: 8px; text-transform: uppercase; }
.field input, .field textarea {
  width: 100%; background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 13px 16px; color: var(--text); font-family: var(--font-body); font-size: 15px; transition: border-color .2s;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); }
.field textarea { resize: vertical; min-height: 130px; }
.form-note { font-size: 13.5px; color: var(--text-mut); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line-soft); padding: 64px 0 32px; background: rgba(0,0,0,.25); }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 44px; border-bottom: 1px solid var(--line-soft); }
.footer-brand .brand { margin-bottom: 16px; }
.footer-brand p { color: var(--text-dim); font-size: 14.5px; max-width: 34ch; }
.footer-col h4 { font-family: var(--font-mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--text-mut); margin-bottom: 16px; }
.footer-col ul { list-style: none; display: grid; gap: 11px; }
.footer-col a { color: var(--text-dim); font-size: 14.5px; transition: color .2s; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding-top: 28px; flex-wrap: wrap; }
.footer-bottom .legal { color: var(--text-mut); font-size: 13.5px; line-height: 1.8; }
.footer-bottom .legal a { color: var(--text-mut); }
.footer-bottom .legal a:hover { color: var(--accent); }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: .08s; }
.reveal[data-d="2"] { transition-delay: .16s; }
.reveal[data-d="3"] { transition-delay: .24s; }
.reveal[data-d="4"] { transition-delay: .32s; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { max-width: 460px; }
  .split, .split.rev { grid-template-columns: 1fr; gap: 32px; }
  .split.rev .split-media { order: 0; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-item:nth-child(2) { border-right: 0; }
  .info-rows .row { grid-template-columns: 1fr; gap: 6px; }
}
@media (max-width: 680px) {
  body { font-size: 16px; }
  .nav-links, .header-cta .btn-ghost { display: none; }
  .nav-toggle { display: grid; place-items: center; }
  .site-header.open .nav-links {
    display: flex; flex-direction: column; position: absolute; top: 72px; left: 0; right: 0;
    background: var(--bg-elev); border-bottom: 1px solid var(--line); padding: 16px; gap: 4px;
  }
  .site-header.open .nav-links a { padding: 14px; }
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .timeline .t-item { grid-template-columns: 1fr; gap: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}