/* Beacon Guard — design tokens (preserved from original oklch palette) */
:root {
  --background: oklch(98% .005 240);
  --foreground: oklch(12% .04 240);
  --card: oklch(100% 0 0);
  --card-foreground: oklch(12% .04 240);
  --primary: oklch(12% .04 240);
  --primary-foreground: oklch(98% .005 240);
  --secondary: oklch(95% .01 240);
  --secondary-foreground: oklch(20% .04 240);
  --muted: oklch(96% .008 240);
  --muted-foreground: oklch(45% .02 240);
  --accent: oklch(50% .14 240);
  --accent-foreground: oklch(98% .005 240);
  --border: oklch(88% .01 240);
  --radius: .5rem;
  --violet: #7c3aed;
  --blue: #2563eb;
  --amber: #d97706;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", "Courier New", monospace;
  --shadow-sm: 0 1px 3px rgba(13,18,30,.06), 0 1px 2px rgba(13,18,30,.04);
  --shadow-lg: 0 12px 30px rgba(13,18,30,.10), 0 4px 10px rgba(13,18,30,.05);
  --shadow-xl: 0 20px 45px rgba(13,18,30,.14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--foreground);
  background: var(--background);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { line-height: 1.15; letter-spacing: -.02em; font-weight: 700; }

.container-bg { max-width: 1200px; margin-inline: auto; padding-inline: 1.25rem; }
.text-muted-bg { color: var(--muted-foreground); }
.text-accent-bg { color: var(--accent); }
.font-mono { font-family: var(--font-mono); }
.section { padding: 6rem 0; }
.section-sm { padding: 4rem 0; }
.bg-card-bg { background: var(--card); }
.bg-muted-bg { background: var(--muted); }
.eyebrow {
  font-family: var(--font-mono); font-size: .8rem; font-weight: 500;
  letter-spacing: .08em; text-transform: uppercase; color: var(--accent);
}
.section-title { font-size: clamp(1.9rem, 4vw, 2.6rem); margin: .4rem 0 1rem; }
.section-lead { font-size: 1.125rem; color: var(--muted-foreground); max-width: 640px; }
.center { text-align: center; }
.center .section-lead { margin-inline: auto; }

/* Buttons */
.btn-bg {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font-weight: 500; font-size: .95rem; border-radius: var(--radius);
  padding: .7rem 1.4rem; cursor: pointer; border: 1px solid transparent;
  transition: background-color .2s, color .2s, transform .15s, box-shadow .2s;
  white-space: nowrap;
}
.btn-bg svg { width: 1.1em; height: 1.1em; }
.btn-primary-bg { background: var(--primary); color: var(--primary-foreground); }
.btn-primary-bg:hover { background: oklch(20% .05 240); color: var(--primary-foreground); }
.btn-outline-bg { background: transparent; color: var(--foreground); border-color: var(--border); }
.btn-outline-bg:hover { background: var(--accent); color: var(--accent-foreground); border-color: var(--accent); }
.btn-accent-bg { background: var(--accent); color: var(--accent-foreground); }
.btn-accent-bg:hover { background: oklch(44% .14 240); color: var(--accent-foreground); }
.btn-lg-bg { font-size: 1.05rem; padding: .95rem 1.8rem; }

/* Header */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 1030;
  transition: background-color .3s, box-shadow .3s, border-color .3s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: color-mix(in oklab, var(--background) 88%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: .6rem; font-weight: 700; font-size: 1.15rem; }
.brand img { width: 34px; height: 34px; }
.nav-links { display: flex; align-items: center; gap: 1.75rem; list-style: none; margin: 0; padding: 0; }
.nav-links a { font-size: .95rem; font-weight: 500; color: var(--foreground); transition: color .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--accent); }
.nav-cta { display: flex; align-items: center; gap: .6rem; }
.nav-toggle { display: none; background: none; border: 0; padding: .4rem; cursor: pointer; color: var(--foreground); }
.nav-toggle svg { width: 26px; height: 26px; }
.mobile-menu { display: none; }

@media (max-width: 980px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: inline-flex; }
  .mobile-menu {
    display: block; position: fixed; inset: 68px 0 auto 0; z-index: 1029;
    background: var(--background); border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg); padding: 1rem 1.25rem 1.5rem;
    transform: translateY(-130%); transition: transform .3s ease; visibility: hidden;
  }
  .mobile-menu.open { transform: translateY(0); visibility: visible; }
  .mobile-menu a { display: block; padding: .75rem 0; font-weight: 500; border-bottom: 1px solid var(--border); }
  .mobile-menu .btn-bg { width: 100%; margin-top: .75rem; }
}

/* Hero */
.hero { position: relative; padding: 11rem 0 6rem; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: -2; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-overlay {
  position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(to bottom, color-mix(in oklab, var(--background) 78%, transparent), color-mix(in oklab, var(--background) 55%, transparent) 40%, var(--background));
}
.hero h1 { font-size: clamp(2.3rem, 6vw, 4rem); margin: 0 0 1.25rem; }
.hero .lead-1 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); font-weight: 600; color: var(--accent); margin-bottom: 1rem; }
.hero p.sub { font-size: 1.2rem; color: var(--muted-foreground); max-width: 620px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2rem; }
.badge-trust {
  display: inline-flex; align-items: center; gap: .5rem; margin-bottom: 1.5rem;
  background: color-mix(in oklab, var(--accent) 10%, transparent); color: var(--accent);
  font-size: .85rem; font-weight: 500; padding: .4rem .9rem; border-radius: 999px;
  border: 1px solid color-mix(in oklab, var(--accent) 25%, transparent);
}

/* Cards & grid */
.grid { display: grid; gap: 1.5rem; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.card-bg {
  background: var(--card); border: 1px solid var(--border); border-radius: 1rem;
  padding: 2rem; box-shadow: var(--shadow-sm); transition: transform .3s, box-shadow .3s;
}
.card-hover:hover { transform: translateY(-4px); box-shadow: var(--shadow-xl); }
.icon-box {
  width: 3.5rem; height: 3.5rem; border-radius: .85rem; display: flex; align-items: center; justify-content: center;
  background: color-mix(in oklab, var(--accent) 12%, transparent); color: var(--accent); margin-bottom: 1.25rem;
}
.icon-box svg { width: 1.6rem; height: 1.6rem; }
.card-bg h3 { font-size: 1.25rem; margin: 0 0 .6rem; }
.card-bg p { margin: 0; color: var(--muted-foreground); }

/* Feature list */
.feature-list { list-style: none; padding: 0; margin: 0; display: grid; gap: .85rem; }
.feature-list li { display: flex; gap: .7rem; align-items: flex-start; }
.feature-list svg { width: 1.25rem; height: 1.25rem; color: var(--accent); flex-shrink: 0; margin-top: .15rem; }

/* Split section */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items: center; }
.split.reverse .split-media { order: 2; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: 2rem; } .split.reverse .split-media { order: 0; } }
.split-media img { border-radius: 1rem; box-shadow: var(--shadow-lg); width: 100%; }

/* Stepper / tabs / accordion shared */
.pill-row { display: flex; flex-wrap: wrap; gap: .6rem; justify-content: center; margin-bottom: 2rem; }
.pill {
  border: 1px solid var(--border); background: var(--card); color: var(--foreground);
  padding: .6rem 1.3rem; border-radius: 999px; font-weight: 500; cursor: pointer; transition: all .2s; font-size: .95rem;
}
.pill.active { background: var(--primary); color: var(--primary-foreground); border-color: var(--primary); }
.pill[data-scn].active.violet { background: var(--violet); border-color: var(--violet); }
.pill[data-scn].active.blue { background: var(--blue); border-color: var(--blue); }
.pill[data-scn].active.amber { background: var(--amber); border-color: var(--amber); }

/* Stepper */
.stepper { max-width: 760px; margin-inline: auto; }
.step-card { display: none; }
.step-card.active { display: block; animation: fade .35s ease; }
.step-card .card-bg { text-align: center; }
.step-badge { display: inline-block; font-family: var(--font-mono); font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); margin-bottom: .75rem; }
.step-card h3 { font-size: 1.6rem; margin: .25rem 0 1rem; }
.step-icon { width: 4.5rem; height: 4.5rem; margin: 0 auto 1.25rem; border-radius: 1rem; background: color-mix(in oklab, var(--accent) 12%, transparent); color: var(--accent); display: flex; align-items: center; justify-content: center; }
.step-icon svg { width: 2.2rem; height: 2.2rem; }
.step-controls { display: flex; align-items: center; justify-content: space-between; margin-top: 1.5rem; }
.step-dots { display: flex; gap: .5rem; }
.step-dot { width: .65rem; height: .65rem; border-radius: 999px; background: var(--border); border: 0; cursor: pointer; padding: 0; transition: background .2s, width .2s; }
.step-dot.active { background: var(--accent); width: 1.6rem; }

.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fade .35s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.workflow-steps { list-style: none; counter-reset: step; padding: 0; margin: 1.5rem 0 0; display: grid; gap: 1rem; }
.workflow-steps li { display: flex; gap: 1rem; align-items: flex-start; }
.step-num {
  flex-shrink: 0; width: 2.2rem; height: 2.2rem; border-radius: 999px; display: flex; align-items: center; justify-content: center;
  background: var(--accent); color: var(--accent-foreground); font-weight: 700; font-family: var(--font-mono);
}
.step-num.violet { background: var(--violet); } .step-num.blue { background: var(--blue); } .step-num.amber { background: var(--amber); }

/* Accordion */
.accordion-bg { border: 1px solid var(--border); border-radius: 1rem; overflow: hidden; background: var(--card); }
.acc-item + .acc-item { border-top: 1px solid var(--border); }
.acc-head {
  width: 100%; text-align: left; background: none; border: 0; cursor: pointer;
  padding: 1.3rem 1.5rem; font-size: 1.05rem; font-weight: 600; color: var(--foreground);
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
}
.acc-head svg { width: 1.2rem; height: 1.2rem; transition: transform .3s; flex-shrink: 0; color: var(--muted-foreground); }
.acc-item.open .acc-head svg { transform: rotate(180deg); }
.acc-body { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.acc-body-inner { padding: 0 1.5rem 1.3rem; color: var(--muted-foreground); }

/* Calculator */
.calc { background: var(--card); border: 1px solid var(--border); border-radius: 1.25rem; box-shadow: var(--shadow-lg); padding: 2.5rem; }
.calc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; }
@media (max-width: 820px) { .calc-grid { grid-template-columns: 1fr; gap: 1.75rem; } }
.calc-field { margin-bottom: 1.4rem; }
.calc-field label { display: flex; justify-content: space-between; font-weight: 600; font-size: .95rem; margin-bottom: .5rem; }
.calc-field label span { color: var(--accent); font-family: var(--font-mono); }
input[type=range] { width: 100%; accent-color: var(--accent); height: 6px; }
.switch-row { display: flex; align-items: center; gap: .75rem; }
.switch { position: relative; width: 46px; height: 26px; flex-shrink: 0; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider-tg { position: absolute; inset: 0; background: var(--border); border-radius: 999px; cursor: pointer; transition: .2s; }
.slider-tg::before { content: ""; position: absolute; height: 20px; width: 20px; left: 3px; top: 3px; background: #fff; border-radius: 50%; transition: .2s; }
.switch input:checked + .slider-tg { background: var(--accent); }
.switch input:checked + .slider-tg::before { transform: translateX(20px); }
.calc-result { background: var(--muted); border-radius: 1rem; padding: 2rem; text-align: center; }
.calc-result .big { font-size: 3.5rem; font-weight: 800; color: var(--accent); font-family: var(--font-mono); line-height: 1; }
.calc-notes { text-align: left; margin-top: 1.5rem; font-size: .9rem; color: var(--muted-foreground); }
.calc-notes ul { padding-left: 1.1rem; margin: .5rem 0 0; }

/* Spec table */
.spec-group { background: var(--card); border: 1px solid var(--border); border-radius: 1rem; padding: 1.75rem; }
.spec-group h4 { font-family: var(--font-mono); font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--accent); margin: 0 0 1rem; }
.spec-row { display: flex; justify-content: space-between; gap: 1rem; padding: .65rem 0; border-top: 1px solid var(--border); font-size: .95rem; }
.spec-row:first-of-type { border-top: 0; }
.spec-row .k { color: var(--muted-foreground); }
.spec-row .v { font-weight: 600; text-align: right; }

/* Deployment / scenario color chips */
.chip-row { display: flex; flex-wrap: wrap; gap: 1.5rem; justify-content: center; }
.chip { display: flex; flex-direction: column; align-items: center; gap: .6rem; }
.swatch { width: 4rem; height: 4rem; border-radius: 1rem; box-shadow: var(--shadow-sm); }
.swatch.violet { background: var(--violet); } .swatch.blue { background: var(--blue); } .swatch.amber { background: var(--amber); }

/* CTA band */
.cta-band { background: var(--primary); color: var(--primary-foreground); border-radius: 1.5rem; padding: 4rem 2rem; text-align: center; }
.cta-band h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); margin: 0 0 1rem; }
.cta-band p { color: color-mix(in oklab, var(--primary-foreground) 80%, transparent); font-size: 1.15rem; max-width: 560px; margin: 0 auto 2rem; }

/* Forms */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
@media (max-width: 620px) { .form-grid { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: .4rem; }
.field.full { grid-column: 1 / -1; }
.field label { font-weight: 600; font-size: .9rem; }
.field input, .field select, .field textarea {
  font: inherit; padding: .7rem .9rem; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--card); color: var(--foreground); width: 100%;
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
.field .err { color: #c0392b; font-size: .82rem; display: none; }
.field.invalid .err { display: block; }
.field.invalid input, .field.invalid select, .field.invalid textarea { border-color: #c0392b; }
.form-note { font-size: .88rem; color: var(--muted-foreground); margin-top: 1rem; }
.alert-success { background: color-mix(in oklab, var(--accent) 10%, transparent); border: 1px solid color-mix(in oklab, var(--accent) 30%, transparent); color: var(--foreground); padding: 1.5rem; border-radius: 1rem; }

/* Footer */
.site-footer { background: var(--primary); color: color-mix(in oklab, var(--primary-foreground) 78%, transparent); padding: 4rem 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2.5rem; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; gap: 2rem; } }
.site-footer h5 { color: var(--primary-foreground); font-family: var(--font-mono); font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; margin: 0 0 1rem; }
.site-footer .brand { color: var(--primary-foreground); margin-bottom: 1rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .6rem; }
.site-footer a:hover { color: var(--primary-foreground); }
.footer-bottom { border-top: 1px solid color-mix(in oklab, var(--primary-foreground) 15%, transparent); margin-top: 3rem; padding-top: 1.5rem; font-size: .88rem; text-align: center; }

@media (scripting: enabled) {
  .reveal { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
  .reveal.in { opacity: 1; transform: none; }
}

/* Centered hero variant */
.hero.center-hero .container-bg { text-align: center; }
.hero.center-hero .hero-actions { justify-content: center; }
.hero.center-hero p.sub { margin-inline: auto; }
.hero-note { margin-top: 1.5rem; font-size: .9rem; color: var(--muted-foreground); display: inline-flex; align-items: center; gap: .5rem; }
.hero-note svg { width: 1rem; height: 1rem; color: var(--accent); }

/* Product hero image */
.product-hero-img { max-width: 460px; margin: 2.5rem auto 0; filter: drop-shadow(0 30px 50px rgba(13,18,30,.18)); }

/* Reliability mini-card grid */
.mini-card { background: var(--card); border: 1px solid var(--border); border-radius: .85rem; padding: 1.1rem 1.25rem; display: flex; gap: .85rem; align-items: center; box-shadow: var(--shadow-sm); }
.mini-card svg { width: 1.4rem; height: 1.4rem; color: var(--accent); flex-shrink: 0; }
.mini-card span { font-size: .98rem; }

/* Signal coverage diagram */
.signal-card { background: var(--card); border: 1px solid var(--border); border-radius: 1.25rem; box-shadow: var(--shadow-lg); padding: 2.5rem; max-width: 820px; margin: 0 auto; }
.signal-diagram { display: flex; align-items: center; justify-content: center; padding: 1.5rem 0 2.5rem; }
.signal-diagram svg { width: 100%; max-width: 360px; height: auto; }
.signal-arc { fill: none; stroke: var(--accent); stroke-width: 2; opacity: .5; transform-origin: center; animation: pulseArc 3s ease-in-out infinite; }
.signal-arc:nth-of-type(2){ animation-delay: .5s; opacity: .38; }
.signal-arc:nth-of-type(3){ animation-delay: 1s; opacity: .26; }
.signal-arc:nth-of-type(4){ animation-delay: 1.5s; opacity: .15; }
@keyframes pulseArc { 0%,100% { opacity: .12; } 50% { opacity: .55; } }
.signal-center { fill: var(--accent); }
.signal-sub { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; }
@media (max-width: 620px){ .signal-sub { grid-template-columns: 1fr; } }
.signal-sub .card-bg { padding: 1.25rem; text-align: center; }

/* Tinted scenario swatches */
.swatch.tint { display: flex; align-items: center; justify-content: center; }
.swatch.tint svg { width: 1.9rem; height: 1.9rem; }
.swatch.tint.violet { background: color-mix(in oklab, var(--violet) 14%, transparent); color: var(--violet); }
.swatch.tint.blue { background: color-mix(in oklab, var(--blue) 14%, transparent); color: var(--blue); }
.swatch.tint.amber { background: color-mix(in oklab, var(--amber) 16%, transparent); color: var(--amber); }

/* Color variants (product) */
.variant-row { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 1.5rem; }
.variant { display: flex; align-items: center; gap: .7rem; border: 1px solid var(--border); border-radius: 999px; padding: .55rem 1.1rem; background: var(--card); font-weight: 500; }
.variant .dot { width: 1.1rem; height: 1.1rem; border-radius: 999px; flex-shrink: 0; }
.variant .dot.violet { background: var(--violet); } .variant .dot.blue { background: var(--blue); } .variant .dot.amber { background: var(--amber); }

/* 3D model embed */
.model-frame { position: relative; width: 100%; aspect-ratio: 16 / 10; border-radius: 1rem; overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow-lg); background: var(--muted); }
.model-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.model-link { display: inline-flex; align-items: center; gap: .5rem; margin-top: 1rem; font-weight: 500; color: var(--accent); }
.model-link svg { width: 1rem; height: 1rem; }

/* Contact info 3-col */
.info-3col { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; margin-top: 3rem; text-align: center; }
@media (max-width: 720px){ .info-3col { grid-template-columns: 1fr; gap: 2rem; } }
.info-3col .badge-circle { width: 4rem; height: 4rem; border-radius: 999px; background: var(--muted); color: var(--foreground); display: flex; align-items: center; justify-content: center; margin: 0 auto 1rem; }
.info-3col .badge-circle svg { width: 1.6rem; height: 1.6rem; }
.info-3col h4 { font-size: 1.1rem; margin: 0 0 .35rem; }
.info-3col p { margin: 0; color: var(--muted-foreground); font-size: .92rem; }
.form-card { max-width: 960px; margin: 0 auto; }

/* Cookie / transparency notice */
.cookie-bar {
  position: fixed; left: 1rem; right: 1rem; bottom: 1rem; z-index: 1040;
  max-width: 440px; margin-inline: auto; background: var(--card);
  border: 1px solid var(--border); border-radius: 1rem; box-shadow: var(--shadow-xl);
  padding: 1.1rem 1.25rem; display: none;
}
@media (min-width: 560px){ .cookie-bar { left: 1.25rem; right: auto; margin: 0; } }
.cookie-bar.show { display: block; animation: fade .4s ease; }
.cookie-bar p { margin: 0 0 .85rem; font-size: .88rem; color: var(--muted-foreground); line-height: 1.5; }
.cookie-bar p a { color: var(--accent); font-weight: 500; }
.cookie-bar .cookie-actions { display: flex; gap: .6rem; justify-content: flex-end; }
.cookie-bar .btn-bg { padding: .5rem 1.1rem; font-size: .9rem; }

/* 3D model click-to-load consent */
.model-consent {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: .9rem; text-align: center;
  padding: 2rem; background: var(--muted);
}
.model-consent svg { width: 2.6rem; height: 2.6rem; color: var(--accent); }
.model-consent p { margin: 0; max-width: 360px; font-size: .9rem; color: var(--muted-foreground); }

/* Stacked mindset cards */
.stack { display: grid; gap: 1rem; }
.stack .card-bg { display: flex; gap: 1rem; align-items: flex-start; padding: 1.5rem 1.75rem; }
.stack .card-bg svg.lead-icon { width: 1.4rem; height: 1.4rem; color: var(--accent); flex-shrink: 0; margin-top: .2rem; }
.stack .card-bg h3 { font-size: 1.15rem; margin: 0 0 .35rem; }
.stack .card-bg p { margin: 0; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }