/* ============================================================================
   BUSICUS — "Quiet Authority" design system
   Void Navy canvas · restrained Indigo · hairline rules · flat color · no glow
   Implements the tokens + rules in the Master Blueprint, Part 4 + Appendix A.
   ========================================================================== */

/* ---- Tokens ---- */
:root {
  --brand: #5B4CF5;
  --brand-hover: #4A3CE0;
  --brand-tint: #EFEDFE;
  --navy: #0A0E23;
  --navy-800: #111735;
  --cyan: #22D3EE;
  --ink: #0F1222;
  --slate: #4B5163;
  --mist: #9AA0B4;
  --fog: #F1F2F7;
  --line: #E4E6EF;
  --success: #10B981;
  --danger: #E11D48;

  /* semantic surfaces (light is canonical) */
  --bg: #FFFFFF;
  --surface: #FFFFFF;
  --surface-2: var(--fog);
  --text: var(--ink);
  --muted: var(--slate);

  --font-display: "Chakra Petch", ui-sans-serif, system-ui, sans-serif;
  --font-sans: "Manrope", "Hind Siliguri", ui-sans-serif, system-ui, sans-serif;
  --font-bn: "Hind Siliguri", "Manrope", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", monospace;

  --radius-input: 8px;
  --radius-btn: 8px;      /* blueprint: primary button 8px, not pill */
  --radius-card: 16px;
  --radius-panel: 24px;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 2px rgb(10 14 35 / 0.06);
  --shadow-md: 0 6px 16px rgb(10 14 35 / 0.08);
  --shadow-lg: 0 16px 40px rgb(10 14 35 / 0.12);

  --ease-out-expo: cubic-bezier(.16, 1, .3, 1);

  --container: 1200px;
  --container-wide: 1320px;
  --gutter: 24px;

  --step--1: 0.875rem;   /* 14 */
  --step-0: 1rem;        /* 16 body */
  --step-1: 1.25rem;     /* 20 */
  --step-2: 1.5625rem;   /* 25 */
  --step-3: 1.9375rem;   /* 31 */
  --step-4: 2.4375rem;   /* 39 */
  --step-5: 3.0625rem;   /* 49 */
  --step-6: 3.8125rem;   /* 61 */
  --hero: clamp(2.5rem, 6vw, 4.75rem);
}

html.dark {
  --bg: #0A0E23;
  --surface: #111735;
  --surface-2: #0E1330;
  --line: #232A4D;
  --text: #E7E9F2;
  --muted: #AAB0C5;
  --ink: #E7E9F2;
  --slate: #AAB0C5;
  --fog: #0E1330;
  --brand-tint: #171B3A;
}

/* ---- Reset / base ---- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--font-sans);
  font-size: var(--step-0);
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
:lang(bn) { font-family: var(--font-bn); }

img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
button { font: inherit; cursor: pointer; }
ul { padding-left: 1.1em; }

h1, h2, h3, h4 { line-height: 1.2; color: var(--text); font-weight: 700; letter-spacing: -0.01em; }
h1, h2 { font-family: var(--font-display); }
h1 { font-size: var(--step-5); line-height: 1.1; }
h2 { font-size: var(--step-4); }
h3 { font-size: var(--step-2); font-weight: 600; }
h4 { font-size: var(--step-1); font-weight: 600; }

::selection { background: var(--brand); color: #fff; }

/* ---- Focus ---- */
:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ---- Skip link ---- */
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 1000;
  background: var(--navy); color: #fff; padding: 12px 20px; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---- Layout ---- */
.container { max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.container-wide { max-width: var(--container-wide); margin-inline: auto; padding-inline: var(--gutter); }
@media (max-width: 767px) { .container, .container-wide { padding-inline: 16px; } }

.section { padding-block: 128px; }
.section--tight { padding-block: 80px; }
@media (max-width: 1023px) { .section { padding-block: 80px; } }
@media (max-width: 767px) { .section { padding-block: 64px; } .section--tight { padding-block: 48px; } }

.section--fog { background: var(--surface-2); }
.section--navy { background: var(--navy); color: #E7E9F2; }
.section--navy h1, .section--navy h2, .section--navy h3, .section--navy h4 { color: #fff; }
.section--navy .kicker { color: #7C82A0; }
.section--navy .lead, .section--navy p { color: #C3C8DC; }

.section-head { max-width: 46rem; margin-bottom: 56px; }
.section-head--center { margin-inline: auto; text-align: center; }

/* ---- Kicker (small-caps label — a core signature) ---- */
.kicker {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mist);
  margin-bottom: 16px;
}

.lead { font-size: var(--step-1); color: var(--muted); line-height: 1.5; max-width: 52ch; }

/* ---- Hairline rule (structure comes from 1px lines) ---- */
.rule { border: 0; border-top: 1px solid var(--line); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 600; font-family: var(--font-sans);
  padding: 14px 28px; border-radius: var(--radius-btn);
  border: 1px solid transparent; text-decoration: none;
  transition: background-color .25s var(--ease-out-expo), color .25s, border-color .25s;
  line-height: 1;
}
.btn:hover { text-decoration: none; }
.btn .arrow { transition: transform .25s var(--ease-out-expo); }
.btn:hover .arrow { transform: translateX(4px); }

.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--brand); color: #fff; }

.btn-secondary { border-color: var(--brand); color: var(--brand); background: transparent; }
.btn-secondary:hover { background: var(--brand-tint); }
html.dark .btn-secondary:hover { background: rgba(91,76,245,.16); }

.btn-ghost { color: #fff; border-color: rgb(255 255 255 / .16); background: transparent; }
.btn-ghost:hover { background: rgb(255 255 255 / .08); }

.btn-whatsapp {
  color: var(--success); border-color: var(--success); background: transparent; border-radius: var(--radius-pill);
}
.btn-whatsapp:hover { background: rgb(16 185 129 / .08); }

.btn-block { width: 100%; justify-content: center; }
.btn-lg { padding: 16px 32px; font-size: 1.0625rem; }

/* ---- Cards ---- */
.card {
  border: 1px solid var(--line); border-radius: var(--radius-card);
  padding: 32px; background: var(--surface);
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
a.card:hover, .card--link:hover { border-color: var(--brand); box-shadow: var(--shadow-lg); text-decoration: none; }

/* ---- Index Rows (signature) ---- */
.index-rows { border-top: 1px solid var(--line); }
.index-row {
  display: grid; grid-template-columns: 64px 1fr; gap: 24px; align-items: start;
  padding: 32px 24px; border-bottom: 1px solid var(--line);
  color: var(--text); text-decoration: none;
  transition: background-color .25s var(--ease-out-expo), color .25s, padding .25s;
}
.index-row:hover { background: var(--navy); color: #fff; text-decoration: none; padding-inline: 32px; }
.index-row:hover .index-num,
.index-row:hover .index-desc,
.index-row:hover .index-links a { color: #C3C8DC; }
.index-row:hover .index-title { color: #fff; }
.index-num { font-family: var(--font-mono); font-size: 0.9375rem; color: var(--mist); padding-top: 6px; }
.index-title { font-family: var(--font-display); font-size: var(--step-3); font-weight: 600; line-height: 1.15; }
.index-body { display: grid; grid-template-columns: 1fr; gap: 10px; }
@media (min-width: 900px) { .index-body { grid-template-columns: 1.1fr 1fr; align-items: baseline; } }
.index-desc { color: var(--muted); }
.index-links { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: var(--step--1); }
.index-links a { color: var(--muted); }
.index-links a:hover { color: var(--brand); text-decoration: underline; }
.index-row:hover .index-links a:hover { color: #fff; }
@media (max-width: 600px) {
  .index-row { grid-template-columns: 1fr; gap: 12px; padding: 24px 16px; }
  .index-num { padding-top: 0; }
}

/* ---- Stat Slab (signature; static, no count-up) ---- */
.stat-slab { display: grid; grid-template-columns: repeat(3, 1fr); }
.stat-slab .stat { padding: 8px 28px; border-left: 1px solid var(--line); }
.stat-slab .stat:first-child { border-left: 0; padding-left: 0; }
.stat-num { font-family: var(--font-display); font-weight: 700; font-size: var(--step-5); line-height: 1; color: var(--text); }
.stat-label { margin-top: 10px; font-weight: 600; }
.stat-source { margin-top: 4px; font-size: var(--step--1); color: var(--mist); }
.section--navy .stat-num { color: #fff; }
.section--navy .stat-slab .stat { border-color: #232A4D; }
@media (max-width: 700px) { .stat-slab { grid-template-columns: 1fr; gap: 24px; } .stat-slab .stat { border-left: 0; border-top: 1px solid var(--line); padding: 20px 0 0; } .stat-slab .stat:first-child { border-top: 0; padding-top: 0; } }

/* ---- Ledger Table (signature; pricing/comparison) ---- */
.ledger { width: 100%; border-collapse: collapse; }
.ledger th, .ledger td { text-align: left; padding: 18px 20px; border-bottom: 1px solid var(--line); vertical-align: top; }
.ledger thead th { font-family: var(--font-sans); font-size: 0.8125rem; letter-spacing: .06em; text-transform: uppercase; color: var(--mist); font-weight: 600; }
.ledger td.figure, .ledger th.figure { font-family: var(--font-mono); text-align: right; white-space: nowrap; }
.ledger tbody tr:hover { background: var(--surface-2); }

/* ---- Hero underline stroke (hand-drawn feel, static) ---- */
.hero-mark { position: relative; white-space: nowrap; }
.hero-mark svg { position: absolute; left: 0; bottom: -0.18em; width: 100%; height: 0.22em; overflow: visible; }
.hero-mark svg path { stroke: var(--brand); stroke-width: 3; fill: none; stroke-linecap: round; }

/* ---- Living Schematic ---- */
.schematic { width: 100%; height: auto; }
.schematic .node { fill: var(--surface); stroke: var(--mist); stroke-width: 1.5; }
.schematic .node-core { fill: var(--brand); }
.schematic .link { stroke: var(--mist); stroke-width: 1.25; fill: none; }
.schematic .pulse { stroke: var(--brand); stroke-width: 2; fill: none; stroke-dasharray: 6 220; animation: schematic-pulse 8s linear infinite; }
.schematic .label { fill: var(--muted); font-family: var(--font-mono); font-size: 11px; }
@keyframes schematic-pulse { to { stroke-dashoffset: -226; } }
@media (prefers-reduced-motion: reduce) { .schematic .pulse { animation: none; stroke-dasharray: none; opacity: .5; } }

/* ---- Navbar ---- */
.site-header { position: sticky; top: 0; z-index: 100; background: rgb(255 255 255 / .85); backdrop-filter: blur(10px); }
html.dark .site-header { background: rgb(10 14 35 / .85); }
.site-header.scrolled { border-bottom: 1px solid var(--line); }
.nav { height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.nav-logo { display: flex; align-items: center; gap: 10px; color: var(--text); font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; letter-spacing: -0.01em; }
.nav-logo:hover { text-decoration: none; }
.nav-logo svg { height: 30px; width: auto; }
.nav-menu { display: none; align-items: center; gap: 28px; list-style: none; padding: 0; margin: 0; }
.nav-menu > li { position: relative; }
.nav-menu a { color: var(--text); font-weight: 500; font-size: 0.9375rem; }
.nav-menu a:hover { color: var(--brand); text-decoration: none; }
.nav-actions { display: flex; align-items: center; gap: 14px; }
.nav-actions .btn { padding: 11px 20px; }
.lang-toggle, .theme-toggle { border: 1px solid var(--line); background: transparent; color: var(--text); border-radius: var(--radius-input); padding: 8px 12px; font-size: 0.8125rem; font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.lang-toggle:hover, .theme-toggle:hover { border-color: var(--brand); color: var(--brand); }
@media (min-width: 1024px) { .nav-menu { display: flex; } .nav-toggle { display: none; } }

/* Mega menu */
.mega { position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(8px); min-width: 620px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-card); box-shadow: var(--shadow-lg); padding: 24px; opacity: 0; visibility: hidden; transition: opacity .2s, transform .2s; display: grid; grid-template-columns: 1fr 1fr; gap: 8px 32px; }
.nav-menu > li:hover .mega, .nav-menu > li:focus-within .mega { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.mega a { display: block; padding: 8px 10px; border-radius: 8px; font-weight: 500; }
.mega a:hover { background: var(--surface-2); color: var(--brand); }
.mega .mega-kicker { grid-column: 1 / -1; }

/* Mobile nav */
.nav-toggle { display: inline-flex; flex-direction: column; gap: 5px; background: transparent; border: 0; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--text); display: block; transition: transform .2s, opacity .2s; }
.mobile-sheet { position: fixed; inset: 0; z-index: 200; background: var(--bg); transform: translateX(100%); transition: transform .3s var(--ease-out-expo); display: flex; flex-direction: column; overflow-y: auto; }
.mobile-sheet.open { transform: translateX(0); }
.mobile-sheet-head { display: flex; align-items: center; justify-content: space-between; height: 72px; padding-inline: 16px; border-bottom: 1px solid var(--line); }
.mobile-sheet nav { padding: 8px 16px 120px; }
.mobile-group summary { list-style: none; cursor: pointer; padding: 16px 4px; font-family: var(--font-display); font-weight: 600; font-size: 1.125rem; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; }
.mobile-group summary::-webkit-details-marker { display: none; }
.mobile-group[open] summary::after { content: "–"; }
.mobile-group summary::after { content: "+"; color: var(--mist); }
.mobile-group[open] summary::after { content: "–"; }
.mobile-group a { display: block; padding: 12px 8px; color: var(--muted); border-bottom: 1px solid var(--line); }
.mobile-cta-bar { position: fixed; bottom: 0; left: 0; right: 0; z-index: 210; display: flex; gap: 10px; padding: 12px 16px; background: var(--surface); border-top: 1px solid var(--line); }
.close-x { background: transparent; border: 0; font-size: 28px; line-height: 1; color: var(--text); }
@media (min-width: 1024px) { .mobile-sheet, .mobile-cta-bar { display: none !important; } }

/* Sticky mobile CTA on scroll */
.sticky-cta { position: fixed; bottom: 0; left: 0; right: 0; z-index: 90; display: flex; gap: 10px; padding: 12px 16px; background: var(--surface); border-top: 1px solid var(--line); transform: translateY(120%); transition: transform .3s var(--ease-out-expo); }
.sticky-cta.show { transform: translateY(0); }
@media (min-width: 1024px) { .sticky-cta { display: none; } }

/* ---- Breadcrumbs ---- */
.breadcrumbs { font-size: var(--step--1); color: var(--mist); padding-block: 20px; display: flex; flex-wrap: wrap; gap: 8px; }
.breadcrumbs a { color: var(--muted); }
.breadcrumbs .sep { color: var(--line); }

/* ---- Forms ---- */
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 0.8125rem; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.field input, .field select, .field textarea {
  width: 100%; height: 48px; padding: 0 14px; font: inherit; color: var(--text);
  background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--radius-input);
  transition: background-color .2s, border-color .2s, box-shadow .2s;
}
.field textarea { height: auto; padding: 12px 14px; min-height: 120px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; background: var(--surface); border-color: var(--brand); box-shadow: 0 0 0 2px var(--brand);
}
.field .hint { font-size: var(--step--1); color: var(--mist); margin-top: 6px; }
.form-note { font-size: var(--step--1); color: var(--muted); margin-top: 12px; }
.field.honey { position: absolute; left: -9999px; }
.alert { padding: 14px 18px; border-radius: var(--radius-input); border: 1px solid var(--line); margin-bottom: 18px; }
.alert-success { border-color: var(--success); background: rgb(16 185 129 / .08); color: var(--success); }
.alert-error { border-color: var(--danger); background: rgb(225 29 72 / .08); color: var(--danger); }

/* ---- Prefooter CTA band ---- */
.cta-band { background: var(--navy); color: #fff; }
.cta-band .inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; padding-block: 48px; }
.cta-band h2 { color: #fff; font-size: var(--step-3); }
.cta-band .lead { color: #C3C8DC; }

/* ---- Footer ---- */
.site-footer { background: var(--navy); color: #C3C8DC; padding-top: 80px; }
.site-footer a { color: #C3C8DC; }
.site-footer a:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 56px; }
.footer-brand svg { height: 32px; width: auto; margin-bottom: 16px; }
.footer-col h4 { color: #fff; font-family: var(--font-sans); font-size: 0.8125rem; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 16px; }
.footer-col ul { list-style: none; padding: 0; display: grid; gap: 10px; }
.footer-socials { display: flex; gap: 14px; margin-top: 16px; }
.review-strip { display: flex; flex-wrap: wrap; gap: 28px; padding-block: 24px; border-top: 1px solid #232A4D; border-bottom: 1px solid #232A4D; }
.review-item { font-size: var(--step--1); }
.review-item strong { color: #fff; font-family: var(--font-mono); }
.legal-bar { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding-block: 28px; font-size: var(--step--1); color: #7C82A0; }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }

/* ---- Logo grid (static, hand-kerned — no marquee) ---- */
.logo-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 24px; align-items: center; }
.logo-grid .client { text-align: center; font-family: var(--font-display); font-weight: 600; color: var(--navy); opacity: .55; font-size: 1.0625rem; letter-spacing: -0.01em; }
html.dark .logo-grid .client { color: #C3C8DC; }
@media (max-width: 700px) { .logo-grid { grid-template-columns: repeat(2, 1fr); gap: 20px 16px; } }

/* ---- Split layout ---- */
.split { display: grid; gap: 48px; align-items: start; }
@media (min-width: 900px) { .split { grid-template-columns: 1fr 1fr; gap: 64px; } .split--asym { grid-template-columns: 5fr 7fr; } .split--sticky-left > :first-child { position: sticky; top: 100px; } }

/* ---- Product frame (browser chrome) ---- */
.frame { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: var(--surface); box-shadow: var(--shadow-lg); }
.frame-bar { display: flex; align-items: center; gap: 6px; padding: 12px 14px; border-bottom: 1px solid var(--line); background: var(--surface-2); }
.frame-bar span { width: 10px; height: 10px; border-radius: 50%; background: var(--line); }
.frame-body { padding: 0; }
.section--navy .frame { background: var(--navy-800); border-color: #232A4D; }
.section--navy .frame-bar { background: #0d1230; border-color: #232A4D; }

/* ---- Chips / scroll-snap ---- */
.chip-row { display: flex; gap: 12px; overflow-x: auto; padding-bottom: 8px; scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch; }
.chip { scroll-snap-align: start; flex: 0 0 auto; border: 1px solid var(--line); border-radius: var(--radius-card); padding: 20px 24px; min-width: 210px; color: var(--text); background: var(--surface); transition: border-color .2s, box-shadow .2s; }
.chip:hover { border-color: var(--brand); box-shadow: var(--shadow-md); text-decoration: none; }
.tag { display: inline-block; font-size: 0.75rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--brand); background: var(--brand-tint); padding: 4px 10px; border-radius: var(--radius-pill); }

/* ---- Accordion (FAQ) ---- */
.accordion details { border-bottom: 1px solid var(--line); }
.accordion summary { list-style: none; cursor: pointer; padding: 22px 0; font-weight: 600; font-size: 1.0625rem; display: flex; justify-content: space-between; gap: 16px; }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary::after { content: "+"; color: var(--brand); font-size: 1.4rem; line-height: 1; }
.accordion details[open] summary::after { content: "–"; }
.accordion details > div { padding-bottom: 22px; color: var(--muted); max-width: 60ch; }
.section--navy .accordion details { border-color: #232A4D; }

/* ---- Timeline (transformation journey) ---- */
.timeline { display: grid; gap: 24px; }
@media (min-width: 900px) { .timeline { grid-template-columns: repeat(5, 1fr); gap: 0; } }
.timeline .step { padding: 24px; border-top: 2px solid var(--brand); }
@media (min-width: 900px) { .timeline .step { border-top: 2px solid var(--line); border-left: 1px solid var(--line); padding: 28px 20px; } .timeline .step:first-child { border-left: 0; } }
.timeline .step .wk { font-family: var(--font-mono); font-size: var(--step--1); color: var(--brand); font-weight: 600; }
.timeline .step h4 { margin: 8px 0; }
.timeline .step p { font-size: 0.9375rem; color: var(--muted); }

/* ---- Prose (blog / legal) ---- */
.prose { max-width: 45rem; }
.prose > * + * { margin-top: 1.2em; }
.prose h2 { font-size: var(--step-3); margin-top: 1.8em; }
.prose h3 { font-size: var(--step-1); margin-top: 1.4em; }
.prose p, .prose li { color: var(--muted); font-size: 1.0625rem; line-height: 1.75; }
.prose ul { display: grid; gap: 8px; }
.prose strong { color: var(--text); }
.prose a { text-decoration: underline; text-underline-offset: 3px; }

/* ---- Testimonial ---- */
.quote { font-family: var(--font-display); font-weight: 600; font-size: var(--step-2); line-height: 1.35; color: var(--text); }
.quote-meta { display: flex; align-items: center; gap: 12px; margin-top: 20px; }
.quote-avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--brand-tint); color: var(--brand); display: grid; place-items: center; font-weight: 700; font-family: var(--font-display); }

/* ---- Utilities ---- */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .grid-3 { grid-template-columns: 1fr; } .grid-2 { grid-template-columns: 1fr; } }
.mt-0 { margin-top: 0; } .mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; } .mt-32 { margin-top: 32px; } .mt-48 { margin-top: 48px; }
.mb-0 { margin-bottom: 0; } .mb-16 { margin-bottom: 16px; } .mb-24 { margin-bottom: 24px; } .mb-32 { margin-bottom: 32px; }
.text-center { text-align: center; }
.muted { color: var(--muted); }
.btn-group { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.trust-line { font-size: var(--step--1); color: var(--mist); margin-top: 20px; }
.eyebrow-num { font-family: var(--font-mono); color: var(--brand); font-weight: 600; }

/* ---- Scroll entrance (animate once via JS .in) ---- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .5s var(--ease-out-expo), transform .5s var(--ease-out-expo); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }