/* Viet Clans — marketing landing page. Tokens mirror frontend/src/shared/styles/tokens.css. */

/* ---------- Tokens ---------- */
:root {
  --bg: #faf6f0;
  --surface: #ffffff;
  --sunk: #f4ece2;
  --ink: #261c16;
  --muted: #6e5d52;
  --line: #e8ded2;
  --edge: #c2b0a0;
  --jade: #c45500;
  --jade-soft: #fdebdc;
  --on-accent: #ffffff;
  --lacquer: #b8321d;
  --lacquer-soft: #fce8e4;
  --amber: #c47d0e;
  --amber-soft: #fdf2da;
  --dead-bg: #ede7df;
  --band-bg: #261c16;
  --band-ink: #f5ede4;
  --band-muted: #b8a596;
  --band-line: #3d2f26;
  --shadow-sm: 0 1px 0 var(--line), 0 8px 24px -18px rgba(60, 30, 10, 0.25);
  --shadow-lg: 0 1px 0 var(--line), 0 30px 60px -32px rgba(60, 30, 10, 0.35);

  --f-display: 'Plus Jakarta Sans', 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
  --f-body: 'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --f-mono: 'IBM Plex Mono', ui-monospace, Menlo, Consolas, monospace;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --header-h: 64px;
  --container: 1180px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --bg: #14100c;
    --surface: #1f1914;
    --sunk: #18130e;
    --ink: #f5ede4;
    --muted: #b8a596;
    --line: #33271e;
    --edge: #6e5645;
    --jade: #f58a38;
    --jade-soft: #382110;
    --on-accent: #14100c;
    --lacquer: #f27863;
    --lacquer-soft: #381a14;
    --amber: #f7b348;
    --amber-soft: #382810;
    --dead-bg: #211b15;
    --band-bg: #0f0b08;
    --band-line: #2a1f18;
    --shadow-sm: 0 1px 0 var(--line), 0 8px 24px -18px rgba(0, 0, 0, 0.7);
    --shadow-lg: 0 1px 0 var(--line), 0 30px 60px -30px rgba(0, 0, 0, 0.8);
    color-scheme: dark;
  }
}

:root[data-theme='dark'] {
  --bg: #14100c;
  --surface: #1f1914;
  --sunk: #18130e;
  --ink: #f5ede4;
  --muted: #b8a596;
  --line: #33271e;
  --edge: #6e5645;
  --jade: #f58a38;
  --jade-soft: #382110;
  --on-accent: #14100c;
  --lacquer: #f27863;
  --lacquer-soft: #381a14;
  --amber: #f7b348;
  --amber-soft: #382810;
  --dead-bg: #211b15;
  --band-bg: #0f0b08;
  --band-line: #2a1f18;
  --shadow-sm: 0 1px 0 var(--line), 0 8px 24px -18px rgba(0, 0, 0, 0.7);
  --shadow-lg: 0 1px 0 var(--line), 0 30px 60px -30px rgba(0, 0, 0, 0.8);
  color-scheme: dark;
}

/* ---------- Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + 12px);
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1,
h2,
h3 {
  margin: 0;
  text-wrap: balance;
  line-height: 1.2;
}

h1,
h2 {
  font-family: var(--f-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  font-variant-numeric: lining-nums;
}

.cost-v,
.cal-block .d,
.step-n,
.h3-lg,
.form-success h3 {
  font-variant-numeric: lining-nums;
}

p {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

a {
  color: var(--jade);
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

:focus-visible {
  outline: 2.5px solid var(--jade);
  outline-offset: 2px;
  border-radius: 4px;
}

[hidden] {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.mono {
  font-family: var(--f-mono);
  font-variant-numeric: tabular-nums;
}

.muted {
  color: var(--muted);
}

.ic {
  width: 20px;
  height: 20px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.brand-mark {
  width: 28px;
  height: 28px;
  flex: none;
}

.brand-mark.sm {
  width: 18px;
  height: 18px;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 20px;
}

.container.narrow {
  max-width: 820px;
}

.skip-link {
  position: fixed;
  left: 12px;
  top: -60px;
  z-index: 100;
  background: var(--jade);
  color: var(--on-accent);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-decoration: none;
  transition: top 0.15s;
}

.skip-link:focus {
  top: 12px;
}

main:focus {
  outline: none;
}

/* ---------- Buttons, pills, chips ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  transition: border-color 0.15s, background 0.15s, transform 0.15s;
}

.btn:hover {
  border-color: var(--jade);
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--jade);
  border-color: var(--jade);
  color: var(--on-accent);
}

.btn-primary:hover {
  background: color-mix(in srgb, var(--jade) 88%, var(--ink));
}

.btn-ghost {
  background: transparent;
}

.btn-lg {
  padding: 13px 24px;
  font-size: 16px;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 13px;
}

.btn .ic {
  width: 16px;
  height: 16px;
}

.link-btn {
  border: 0;
  background: none;
  color: var(--jade);
  font-weight: 600;
  font-size: 13px;
  padding: 2px 4px;
}

.link-btn:hover {
  text-decoration: underline;
}

.pill {
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  font-weight: 600;
  padding: 1px 9px;
  border-radius: 999px;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.pill-admin {
  background: var(--jade);
  color: var(--on-accent);
}

.pill-editor {
  background: var(--amber-soft);
  color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--amber);
}

.pill-viewer {
  background: var(--sunk);
  color: var(--muted);
  box-shadow: inset 0 0 0 1px var(--line);
}

.kbd {
  display: inline-block;
  min-width: 1.6em;
  text-align: center;
  font-family: var(--f-mono);
  font-size: 0.8em;
  padding: 0 5px;
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 5px;
  background: var(--surface);
}

.mono-chip {
  font-family: var(--f-mono);
  font-size: 0.85em;
  background: var(--jade-soft);
  color: var(--jade);
  padding: 1px 6px;
  border-radius: 5px;
  white-space: nowrap;
}

.av {
  --h: 150;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  flex: none;
  display: inline-grid;
  place-items: center;
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.02em;
  background: linear-gradient(140deg, hsl(var(--h) 42% 48%), hsl(calc(var(--h) + 30) 40% 34%));
}

.av-sm {
  width: 28px;
  height: 28px;
  font-size: 11px;
}

.av-xs {
  width: 20px;
  height: 20px;
  font-size: 8px;
}

.av.gray {
  filter: grayscale(1);
  opacity: 0.75;
}

.eyebrow {
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--jade);
  margin-bottom: 10px;
}

.eyebrow-amber {
  color: var(--ink);
  display: inline-block;
  background: var(--amber-soft);
  box-shadow: inset 0 0 0 1px var(--amber);
  padding: 2px 10px;
  border-radius: 999px;
}

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(1.4) blur(12px);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.site-header.scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 8px 24px -22px rgba(0, 0, 0, 0.5);
}

.nav-row {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 21px;
  color: var(--ink);
  text-decoration: none;
}

.site-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-nav ul {
  list-style: none;
  display: flex;
  gap: 2px;
}

.site-nav ul a {
  display: block;
  padding: 7px 11px;
  border-radius: 999px;
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 14px;
  transition: color 0.15s, background 0.15s;
}

.site-nav ul a:hover {
  color: var(--ink);
}

.site-nav ul a.active {
  color: var(--jade);
  background: var(--jade-soft);
}

.nav-cta {
  padding: 9px 16px;
  font-size: 14px;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  transition: all 0.2s ease;
  padding: 0;
  flex: none;
}

.theme-toggle:hover {
  border-color: var(--jade);
  color: var(--jade);
  transform: translateY(-1px);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
}

.nav-toggle {
  display: none;
  margin-left: auto;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 12px;
  place-items: center;
}

.nav-toggle-bars {
  display: grid;
  gap: 4px;
}

.nav-toggle-bars i {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

.nav-toggle[aria-expanded='true'] .nav-toggle-bars i:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded='true'] .nav-toggle-bars i:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded='true'] .nav-toggle-bars i:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

@media (max-width: 1040px) {
  .nav-toggle {
    display: grid;
  }

  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    margin: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    padding: 16px 20px 24px;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 40px -24px rgba(0, 0, 0, 0.4);
    max-height: calc(100dvh - var(--header-h));
    overflow: auto;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 0.2s, transform 0.2s, visibility 0.2s;
  }

  .site-nav.open {
    visibility: visible;
    opacity: 1;
    transform: none;
  }

  .site-nav ul {
    flex-direction: column;
  }

  .site-nav ul a {
    padding: 12px 14px;
    font-size: 16px;
    border-radius: 10px;
  }

  .nav-cta {
    padding: 13px 16px;
    font-size: 16px;
  }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 48px 0 72px;
  background:
    radial-gradient(50% 60% at 85% 20%, color-mix(in srgb, var(--jade) 16%, transparent), transparent 70%),
    radial-gradient(40% 50% at 10% 90%, color-mix(in srgb, var(--amber) 14%, transparent), transparent 70%);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.6;
  background-image: radial-gradient(var(--line) 1px, transparent 1.3px);
  background-size: 24px 24px;
  mask-image: linear-gradient(to bottom, #000, transparent 85%);
  -webkit-mask-image: linear-gradient(to bottom, #000, transparent 85%);
}

.hero-grid {
  position: relative;
  display: grid;
  gap: 44px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(36px, 7.4vw, 60px);
  line-height: 1.06;
}

.hero h1 em {
  font-style: italic;
  color: var(--jade);
}

.hero .lead {
  margin-top: 18px;
  font-size: clamp(16px, 2.2vw, 18.5px);
  color: var(--muted);
  max-width: 58ch;
}

.hero-clan {
  margin-top: 14px;
  color: var(--muted);
  max-width: 58ch;
}

.hero-story {
  list-style: none;
  margin-top: 22px;
  display: grid;
  gap: 10px;
  max-width: 62ch;
}

.hero-story li {
  position: relative;
  padding-left: 18px;
  font-size: clamp(16px, 2.1vw, 18px);
  line-height: 1.55;
  color: var(--ink);
}

.hero-story li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.35em;
  bottom: 0.35em;
  width: 3px;
  border-radius: 3px;
  background: var(--lacquer);
  opacity: 0.75;
}

.hero .lead strong {
  color: var(--ink);
}

.hero-clan strong {
  color: var(--ink);
}

.clan-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 1px 10px 1px 6px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--ink);
  font-family: var(--f-display);
  font-weight: 700;
  white-space: nowrap;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-trust {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 26px;
  font-size: 14px;
  color: var(--muted);
}

.hero-trust li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.hero-trust .ic {
  width: 17px;
  height: 17px;
  color: var(--jade);
}

.hero-visual {
  position: relative;
  min-width: 0;
}

.mock-app {
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  position: relative;
}

.mock-top {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}

.mock-brand {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 15px;
  white-space: nowrap;
}

.mock-search {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  background: var(--sunk);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
}

.mock-search .ic {
  width: 14px;
  height: 14px;
}

.mock-bell {
  position: relative;
  display: grid;
  place-items: center;
  color: var(--muted);
}

.mock-bell b {
  position: absolute;
  top: -6px;
  right: -8px;
  background: var(--lacquer);
  color: #fff;
  font-size: 9px;
  min-width: 15px;
  height: 15px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  padding: 0 3px;
  border: 2px solid var(--surface);
}

.mock-chips {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  white-space: nowrap;
}

.mock-chips-lbl {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.up-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 999px;
  padding: 3px 10px 3px 7px;
  font-size: 12px;
  white-space: nowrap;
}

.up-chip .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--jade);
  flex: none;
}

.up-chip.gio .dot {
  background: var(--lacquer);
  box-shadow: 0 0 0 3px var(--lacquer-soft);
}

.up-chip.amb .dot {
  background: var(--amber);
  box-shadow: 0 0 0 3px var(--amber-soft);
}

.up-chip.bd .dot {
  background: var(--jade);
  box-shadow: 0 0 0 3px var(--jade-soft);
}

.mock-stage-wrap {
  position: relative;
  container-type: inline-size;
  overflow: hidden;
  padding-bottom: 50px;
  background-color: var(--sunk);
  background-image: radial-gradient(var(--line) 1px, transparent 1.2px);
  background-size: 20px 20px;
}

.mock-stage {
  --u: 0.25cqw;
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  transform-origin: 50% 40%;
  transition: transform 0.3s ease;
}

.mock-edges {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.mock-edges.mob {
  display: none;
}

.edge {
  fill: none;
  stroke: var(--edge);
  stroke-width: 1.6;
  vector-effect: non-scaling-stroke;
}

.edge.sp {
  stroke: var(--jade);
  stroke-width: 2;
}

.edge.div {
  stroke-dasharray: 5 4;
}

.edge.ad {
  stroke: var(--amber);
  stroke-width: 2;
  stroke-dasharray: 6 4;
}

.ring {
  fill: var(--surface);
  stroke: var(--jade);
  stroke-width: 1.6;
  vector-effect: non-scaling-stroke;
}

.elbl {
  font-family: var(--f-body);
  font-size: 10px;
  font-weight: 600;
  fill: var(--ink);
  paint-order: stroke;
  stroke: var(--sunk);
  stroke-width: 4px;
  stroke-linejoin: round;
}

.tcard {
  position: absolute;
  left: calc(var(--x) / 400 * 100%);
  top: calc(var(--y) / 300 * 100%);
  width: 22%;
  height: calc(112 / 300 * 100%);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: calc(var(--u) * 9);
  padding: calc(var(--u) * 5) calc(var(--u) * 5) 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  font-size: calc(var(--u) * 8);
}

.tcard .ttags {
  display: flex;
  justify-content: flex-end;
  width: 100%;
  height: calc(var(--u) * 11);
}

.ttag,
.ttag-dead {
  font-size: calc(var(--u) * 6.4);
  font-weight: 600;
  line-height: 1.5;
  padding: 0 calc(var(--u) * 3);
  border-radius: calc(var(--u) * 3);
  white-space: nowrap;
}

.ttag {
  color: var(--jade);
  background: var(--jade-soft);
}

.ttag.amber {
  color: var(--ink);
  background: var(--amber-soft);
  box-shadow: inset 0 0 0 1px var(--amber);
}

.ttag-dead {
  color: var(--muted);
  border: 1px solid var(--line);
  background: var(--surface);
}

.tcard .av {
  width: calc(var(--u) * 28);
  height: calc(var(--u) * 28);
  font-size: calc(var(--u) * 9.5);
}

.tnm {
  margin-top: calc(var(--u) * 4);
  font-size: calc(var(--u) * 8.6);
  line-height: 1.25;
  font-weight: 600;
}

.tage {
  margin-top: calc(var(--u) * 2);
  font-size: calc(var(--u) * 7.2);
  font-weight: 600;
  color: var(--jade);
  white-space: nowrap;
}

.tdt {
  font-size: calc(var(--u) * 6.6);
  color: var(--muted);
  font-family: var(--f-mono);
}

.tcard.dead {
  background: var(--dead-bg);
}

.tcard.dead .tnm,
.tcard.dead .tage {
  color: var(--muted);
}

.tcard .tband {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: calc(var(--u) * 14);
  display: grid;
  place-items: center;
  font-size: calc(var(--u) * 6.8);
  font-weight: 600;
  border-radius: 0 0 calc(var(--u) * 8) calc(var(--u) * 8);
  background: var(--lacquer);
  color: #fff;
}

.tcard.ev-gio {
  border-color: var(--lacquer);
  animation: glow 2.6s ease-in-out infinite;
}

.tcard.sel {
  border-color: var(--jade);
  box-shadow: 0 0 0 calc(var(--u) * 3) var(--jade-soft);
}

.tcard.adopt {
  border-color: color-mix(in srgb, var(--amber) 60%, var(--line));
}

.hdl {
  position: absolute;
  width: calc(var(--u) * 16);
  height: calc(var(--u) * 16);
  border-radius: 50%;
  background: var(--jade);
  color: var(--on-accent);
  display: grid;
  place-items: center;
  font-size: calc(var(--u) * 12);
  line-height: 1;
  font-weight: 600;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
}

.hdl.t {
  top: calc(var(--u) * -8);
  left: 50%;
  translate: -50% 0;
}

.hdl.b {
  bottom: calc(var(--u) * -8);
  left: 50%;
  translate: -50% 0;
}

.hdl.l {
  left: calc(var(--u) * -8);
  top: 50%;
  translate: 0 -50%;
}

@keyframes glow {

  0%,
  100% {
    box-shadow: 0 0 10px 1px color-mix(in srgb, var(--lacquer) 30%, transparent);
  }

  50% {
    box-shadow: 0 0 26px 7px color-mix(in srgb, var(--lacquer) 50%, transparent);
  }
}

.mock-minimap {
  position: absolute;
  right: 10px;
  top: 10px;
  width: 18%;
  aspect-ratio: 4 / 3;
  border-radius: 6px;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  border: 1px solid var(--line);
}

.mock-minimap i {
  position: absolute;
  width: 18%;
  height: 22%;
  border-radius: 2px;
  background: var(--edge);
  opacity: 0.55;
}

.mock-minimap b {
  position: absolute;
  left: 4%;
  top: 4%;
  width: 70%;
  height: 80%;
  border: 1.5px solid var(--jade);
  border-radius: 3px;
  background: color-mix(in srgb, var(--jade) 10%, transparent);
}

.mock-zoom {
  position: absolute;
  left: 10px;
  bottom: 10px;
  display: flex;
  align-items: center;
  gap: 2px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 3px;
  box-shadow: var(--shadow-sm);
}

.zbtn {
  border: 0;
  background: none;
  min-width: 30px;
  height: 30px;
  border-radius: 7px;
  font-weight: 600;
  font-size: 15px;
}

.zbtn:hover {
  background: var(--jade-soft);
  color: var(--jade);
}

.zfit {
  font-size: 12px;
  padding: 0 8px;
}

.mock-zoom output {
  font-size: 11px;
  min-width: 38px;
  text-align: center;
  color: var(--muted);
}

.hero-toast {
  position: absolute;
  right: -10px;
  bottom: -26px;
  display: flex;
  gap: 10px;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--lacquer);
  border-radius: 12px;
  padding: 10px 14px;
  box-shadow: var(--shadow-lg);
  max-width: 300px;
  font-size: 13px;
  line-height: 1.35;
  animation: floaty 6s ease-in-out infinite;
}

.hero-toast b {
  display: block;
  font-weight: 600;
}

.hero-toast small {
  color: var(--muted);
  font-size: 12px;
}

.toast-ic {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--lacquer-soft);
  color: var(--lacquer);
  display: grid;
  place-items: center;
  flex: none;
}

.toast-ic .ic {
  width: 17px;
  height: 17px;
}

@keyframes floaty {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-6px);
  }
}

@media (max-width: 560px) {

  .mock-top .pill,
  .mock-top .av {
    display: none;
  }

  .mock-stage {
    aspect-ratio: 1 / 1;
    --u: 0.34cqw;
  }

  .mock-edges {
    display: none;
  }

  .mock-edges.mob {
    display: block;
  }

  .tcard {
    left: calc(var(--mx) / 400 * 100%);
    top: calc(var(--my) / 400 * 100%);
    width: 28%;
    height: 37.5%;
  }

  .tage {
    white-space: normal;
    line-height: 1.3;
  }

  .tdt {
    display: none;
  }

  .hero-toast {
    position: relative;
    right: auto;
    top: auto;
    margin: -14px 12px 0;
    max-width: none;
    z-index: 2;
  }

  .mock-minimap {
    display: none;
  }
}

/* ---------- Sections ---------- */
.section {
  padding: 80px 0;
}

.section.alt {
  background: var(--surface);
  border-block: 1px solid var(--line);
}

.section-head {
  max-width: 760px;
  margin-bottom: 40px;
}

.section h2 {
  font-size: clamp(28px, 4.6vw, 42px);
}

.section-lead {
  margin-top: 14px;
  font-size: 17px;
  color: var(--muted);
}

.h3-lg {
  font-family: var(--f-display);
  font-size: clamp(22px, 3vw, 28px);
  margin-bottom: 12px;
}

.split {
  display: grid;
  gap: 40px;
  align-items: start;
}

.split>* {
  min-width: 0;
}

.split .section-lead {
  margin-bottom: 20px;
}

.checks {
  list-style: none;
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.checks li {
  position: relative;
  padding-left: 30px;
}

.checks li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  width: 19px;
  height: 19px;
  border-radius: 50%;
  background: var(--jade-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231E6A55' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12.5l4 4L18 8'/%3E%3C/svg%3E") center / 13px no-repeat;
}

@media (prefers-color-scheme: dark) {
  .checks li::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235CBE9C' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12.5l4 4L18 8'/%3E%3C/svg%3E");
  }
}

/* Value strip */
.value-strip {
  padding: 0 0 72px;
  margin-top: -8px;
}

.value-grid {
  display: grid;
  gap: 14px;
}

.value {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: var(--shadow-sm);
}

.value h2 {
  font-family: var(--f-body);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0;
  margin: 14px 0 6px;
}

.value p {
  font-size: 14.5px;
  color: var(--muted);
}

.vic {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
}

.vic.jade {
  background: var(--jade-soft);
  color: var(--jade);
}

.vic.lacquer {
  background: var(--lacquer-soft);
  color: var(--lacquer);
}

.vic.amber {
  background: var(--amber-soft);
  color: color-mix(in srgb, var(--amber) 60%, var(--ink));
}

/* LOD strip */
.lod {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.lod-step {
  text-align: center;
}

.lod-step p {
  margin-top: 8px;
  font-size: 13px;
  color: var(--muted);
}

.lod-step p .mono {
  color: var(--jade);
  margin-right: 4px;
}

.lod-box {
  width: 170px;
  height: 110px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background-color: var(--sunk);
  background-image: radial-gradient(var(--line) 1px, transparent 1.2px);
  background-size: 14px 14px;
}

.mini-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 7px 12px;
  font-size: 11px;
}

.mini-card .av {
  width: 30px;
  height: 30px;
  font-size: 11px;
}

.mini-card b {
  margin-top: 3px;
  font-size: 11.5px;
}

.mini-card small {
  color: var(--jade);
  font-weight: 600;
  font-size: 10px;
}

.mini-compact {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 10px 2px 3px;
  font-size: 11px;
}

.lod-dots {
  display: grid;
  grid-template-columns: repeat(6, 10px);
  gap: 12px 14px;
  align-content: center;
  justify-content: center;
  flex-direction: row;
}

.lod-dots i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--jade);
  opacity: 0.75;
}

.lod-dots i.r {
  background: var(--lacquer);
}

.lod-dots i.a {
  background: var(--amber);
}

.lod-arrow {
  color: var(--edge);
  font-size: 22px;
}

/* Feature cards */
.fgrid {
  display: grid;
  gap: 16px;
}

.fcard {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.fcard h3 {
  font-size: 18px;
  margin: 14px 0 12px;
}

.fcard ul {
  list-style: none;
  display: grid;
  gap: 8px;
  font-size: 14.5px;
  color: var(--muted);
}

.fcard li {
  position: relative;
  padding-left: 16px;
}

.fcard li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--jade);
}

.fcard strong,
.fcard em {
  color: var(--ink);
}

.fic {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--jade-soft);
  color: var(--jade);
}

.fic.lacquer {
  background: var(--lacquer-soft);
  color: var(--lacquer);
}

.fic.amber {
  background: var(--amber-soft);
  color: color-mix(in srgb, var(--amber) 60%, var(--ink));
}

.edge-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 12px;
  color: var(--muted);
}

.edge-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.edge-legend svg {
  width: 34px;
  height: 10px;
  overflow: visible;
}

/* Contacts */
.contact-split {
  margin-top: 56px;
  padding: 28px;
  border-radius: var(--radius-lg);
  background: var(--jade-soft);
  align-items: center;
}

.contact-split p {
  color: color-mix(in srgb, var(--ink) 80%, var(--muted));
}

.contact-mock {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: var(--shadow-sm);
}

.cm-head {
  display: flex;
  gap: 12px;
  align-items: center;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.cm-head small {
  display: block;
  color: var(--muted);
  font-size: 12.5px;
}

.cm-list {
  list-style: none;
  display: grid;
  gap: 4px;
  margin-top: 8px;
}

.cm-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 4px;
  font-size: 13px;
}

.cm-list li>span:nth-child(2) {
  flex: 1;
  min-width: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.3;
}

.cm-list li b {
  display: block;
  color: var(--ink);
  font-size: 13px;
  font-weight: 500;
}

.cm-list .ic {
  color: var(--jade);
  width: 18px;
  height: 18px;
}

.cm-list em {
  font-style: normal;
  font-weight: 600;
  font-size: 12px;
  color: var(--jade);
  background: var(--jade-soft);
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

.cm-list em.ghost {
  background: none;
  padding: 4px;
  color: var(--muted);
}

.cm-list em.ghost .ic {
  color: var(--muted);
  width: 16px;
  height: 16px;
}

.zalo,
.msgr {
  width: 18px;
  height: 18px;
  border-radius: 5px;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 11px;
  color: #fff;
  flex: none;
}

.zalo {
  background: #0068ff;
}

.msgr {
  background: linear-gradient(135deg, #0a7cff, #a033ff);
  border-radius: 50%;
}

/* ---------- Demo shell ---------- */
.demo {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-lg);
}

.section.alt .demo {
  background: var(--bg);
}

.demo-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 14px;
}

.demo-label .mono {
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--on-accent);
  background: var(--jade);
  padding: 2px 8px;
  border-radius: 999px;
}

.demo-hint {
  margin-top: 12px;
  font-size: 13px;
  color: var(--muted);
}

.demo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.inp {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 10px;
  padding: 9px 12px;
  font-size: 15px;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.inp:focus {
  outline: none;
  border-color: var(--jade);
  box-shadow: 0 0 0 3px var(--jade-soft);
}

.inp[aria-invalid='true'] {
  border-color: var(--lacquer);
  box-shadow: 0 0 0 3px var(--lacquer-soft);
}

.field-err {
  color: var(--lacquer);
  font-size: 13px;
  min-height: 0;
  margin-top: 4px;
}

.field-err:empty {
  display: none;
}

/* Demo 1: search */
.search-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: flex-end;
}

.combo {
  position: relative;
  flex: 1 1 200px;
  min-width: 0;
}

.combo .inp {
  padding-left: 38px;
}

.combo-ic {
  position: absolute;
  left: 12px;
  top: 50%;
  translate: 0 -50%;
  color: var(--muted);
  width: 18px;
  height: 18px;
  pointer-events: none;
}

.year-filter {
  display: flex;
  flex-direction: column;
  font-size: 12px;
  color: var(--muted);
  gap: 3px;
  flex: 0 1 130px;
}

.sug {
  list-style: none;
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  z-index: 5;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 18px 36px -16px rgba(0, 0, 0, 0.4);
  padding: 4px;
  max-height: 320px;
  overflow: auto;
}

.sug li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 9px;
  border-radius: 9px;
  cursor: pointer;
}

.sug li[aria-selected='true'],
.sug li:hover {
  background: var(--jade-soft);
}

.sug li b {
  display: block;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.3;
}

.sug li small {
  display: block;
  font-size: 12px;
  color: var(--muted);
}

.sug mark {
  background: var(--amber-soft);
  color: inherit;
  border-radius: 3px;
  box-shadow: inset 0 -2px 0 var(--amber);
}

.sug .none {
  color: var(--muted);
  font-size: 14px;
  cursor: default;
}

.sug .none:hover {
  background: none;
}

.mini-tree {
  margin-top: 14px;
  padding: 16px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  overflow-x: auto;
  background-color: var(--sunk);
  background-image: radial-gradient(var(--line) 1px, transparent 1.2px);
  background-size: 18px 18px;
  display: grid;
  gap: 14px;
  justify-items: center;
}

.gen {
  display: flex;
  gap: 10px;
  justify-content: center;
  align-items: center;
  position: relative;
  min-width: max-content;
}

.gen-label {
  position: absolute;
  left: -2px;
  top: 50%;
  translate: -100% -50%;
  font-family: var(--f-mono);
  font-size: 10px;
  color: var(--muted);
}

.pcard {
  width: 108px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 6px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  font-size: 11px;
  line-height: 1.3;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.pcard .av {
  width: 32px;
  height: 32px;
  font-size: 11px;
}

.pcard b {
  font-size: 12px;
  font-weight: 600;
  margin-top: 3px;
}

.pcard small {
  color: var(--muted);
  font-family: var(--f-mono);
  font-size: 10px;
}

.pcard .pa {
  color: var(--jade);
  font-weight: 600;
}

.pcard.dead {
  background: var(--dead-bg);
}

.pcard.dead .av {
  filter: grayscale(1);
  opacity: 0.7;
}

.pcard.dead b,
.pcard.dead .pa {
  color: var(--muted);
}

.pcard .ptag {
  font-size: 9.5px;
  font-weight: 600;
  padding: 0 5px;
  border-radius: 4px;
  background: var(--jade-soft);
  color: var(--jade);
}

.pcard .ptag.amber {
  background: var(--amber-soft);
  color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--amber);
}

.pcard.match {
  border-color: var(--jade);
  box-shadow: 0 0 0 3px var(--jade-soft);
}

.pcard.flash {
  animation: flash 1.6s ease-out 1;
  border-color: var(--jade);
}

@keyframes flash {
  0% {
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--jade) 70%, transparent);
  }

  40% {
    box-shadow: 0 0 0 14px transparent;
  }

  60% {
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--jade) 60%, transparent);
  }

  100% {
    box-shadow: 0 0 0 14px transparent;
  }
}

.collapse-btn {
  border: 1px dashed var(--edge);
  background: var(--surface);
  color: var(--jade);
  font-weight: 600;
  font-size: 12px;
  border-radius: 999px;
  padding: 5px 12px;
}

.collapse-btn:hover {
  border-color: var(--jade);
}

/* Demo 2: age + lunar */
.age-grid {
  display: grid;
  gap: 16px;
}

.age-grid fieldset {
  border: 0;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.age-grid legend {
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 8px;
  padding: 0;
}

.age-grid label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 13px;
  color: var(--muted);
}

.age-grid label small {
  font-size: 11px;
}

.row3 {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 8px;
}

.age-form,
.lunar-form {
  background: var(--sunk);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
}

.section.alt .age-form,
.section.alt .lunar-form {
  background: var(--surface);
}

.age-out {
  margin-top: 12px;
  display: grid;
  gap: 10px;
}

.age-card {
  display: flex;
  gap: 10px;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
}

.age-card b {
  display: block;
  color: var(--jade);
  font-size: 16px;
}

.age-card small {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.age-dl {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 0;
}

.age-dl div {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 12px;
}

.age-dl dt {
  font-size: 12px;
  color: var(--muted);
}

.age-dl dd {
  margin: 0;
  font-size: 24px;
  font-weight: 600;
}

.lunar-out {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-top: 12px;
}

.lunar-out p {
  font-size: 14px;
}

.cal-block {
  width: 72px;
  flex: none;
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}

.cal-block .m {
  display: block;
  background: var(--lacquer);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 0;
}

.cal-block .d {
  display: block;
  font-family: var(--f-display);
  font-size: 30px;
  font-weight: 700;
  line-height: 1.2;
}

.cal-block .y {
  display: block;
  font-size: 10px;
  color: var(--muted);
  padding-bottom: 4px;
}

.ev-types {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.ev-type {
  display: flex;
  flex-direction: column;
  padding: 8px 12px;
  border-radius: 10px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left-width: 4px;
  font-size: 13px;
  line-height: 1.3;
}

.ev-type small {
  color: var(--muted);
  font-size: 11.5px;
}

.ev-type.gio {
  border-left-color: var(--lacquer);
}

.ev-type.bd {
  border-left-color: var(--jade);
}

.ev-type.amb {
  border-left-color: var(--amber);
}

.glow-key {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 600;
  padding: 0 8px;
  border-radius: 6px;
  margin: 2px 2px;
  border: 1.5px solid;
}

.glow-key.gio {
  color: var(--lacquer);
  border-color: var(--lacquer);
  box-shadow: 0 0 10px -2px var(--lacquer);
}

.glow-key.amb {
  color: var(--ink);
  border-color: var(--amber);
  box-shadow: 0 0 10px -2px var(--amber);
}

.glow-key.bd {
  color: var(--jade);
  border-color: var(--jade);
  box-shadow: 0 0 10px -2px var(--jade);
}

.upcoming {
  margin-top: 40px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
}

.upc-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px;
  align-items: baseline;
  margin-bottom: 10px;
}

.upc-head b {
  font-size: 16px;
}

.upc-head .mono {
  font-size: 11px;
  color: var(--muted);
}

.upc-list {
  list-style: none;
  display: grid;
}

.upc-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}

.upc-date {
  width: 120px;
  flex: none;
  line-height: 1.25;
}

.upc-date b {
  display: block;
  font-size: 14px;
}

.upc-date small {
  color: var(--muted);
  font-size: 11px;
}

/* Demo 4: privacy */
.ptypes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.ptype-card {
  display: flex;
  flex-direction: column;
  padding: 8px 12px;
  border-radius: 10px;
  background: var(--bg);
  border: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.3;
}

.ptype-card small {
  color: var(--muted);
  font-size: 11.5px;
}

.ptype-card.ev {
  background: var(--lacquer-soft);
  border-color: transparent;
}

.ptype-card.mem {
  background: var(--amber-soft);
  border-color: transparent;
}

.post-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
}

.post-head {
  display: flex;
  gap: 10px;
  align-items: center;
}

.post-who b {
  display: block;
  font-size: 14px;
}

.post-who small {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  color: var(--muted);
  font-size: 12px;
}

.ptype-tag {
  font-size: 11px;
  font-weight: 600;
  padding: 0 6px;
  border-radius: 4px;
  border: 1px solid var(--line);
  background: var(--sunk);
  color: var(--ink);
}

.priv-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-weight: 600;
}

.priv-badge .ic {
  width: 13px;
  height: 13px;
}

.priv-badge.private {
  color: var(--lacquer);
}

.post-text {
  margin-top: 10px;
  font-size: 14.5px;
}

.tag-link {
  color: var(--jade);
  font-weight: 600;
}

.post-photos {
  display: grid;
  grid-template-columns: 2fr 1fr;
  grid-template-rows: 60px 60px;
  gap: 4px;
  margin-top: 10px;
  border-radius: 10px;
  overflow: hidden;
}

.post-photos i {
  background: linear-gradient(140deg, hsl(var(--h) 45% 62%), hsl(calc(var(--h) + 40) 40% 38%));
  position: relative;
}

.post-photos i:first-child {
  grid-row: span 2;
}

.post-photos i b {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 18px;
  background: rgba(0, 0, 0, 0.35);
}

.post-actions {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
  font-size: 13px;
  color: var(--muted);
}

.post-actions span {
  display: inline-flex;
  gap: 5px;
  align-items: center;
}

.post-actions .ic {
  width: 16px;
  height: 16px;
  color: var(--lacquer);
}

.pv-controls {
  margin-top: 14px;
  display: grid;
  gap: 10px;
}

.seg {
  display: inline-flex;
  justify-self: start;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: var(--surface);
}

.seg button {
  border: 0;
  background: none;
  padding: 8px 14px;
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  gap: 6px;
  align-items: center;
  color: var(--muted);
}

.seg button .ic {
  width: 16px;
  height: 16px;
}

.seg button[aria-pressed='true'] {
  background: var(--jade);
  color: var(--on-accent);
}

.aud {
  padding: 10px;
  border-radius: 10px;
  background: var(--surface);
  border: 1px solid var(--line);
  transition: opacity 0.2s;
}

.aud[aria-disabled='true'] {
  opacity: 0.55;
}

.aud-t {
  font-size: 12.5px;
  color: var(--muted);
  margin-bottom: 8px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 11px 3px 3px;
  font-size: 13px;
  background: var(--surface);
  font-weight: 500;
}

.chip .av {
  width: 22px;
  height: 22px;
  font-size: 9px;
}

.chip[aria-pressed='true'] {
  background: var(--jade-soft);
  border-color: var(--jade);
  color: var(--jade);
}

.chip:disabled {
  cursor: not-allowed;
}

.chip .pill {
  font-size: 9.5px;
  padding: 0 6px;
}

.pv-who {
  list-style: none;
  margin-top: 14px;
  display: grid;
  gap: 4px;
}

.pv-who li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px;
  border-radius: 9px;
  font-size: 13.5px;
  background: var(--surface);
  border: 1px solid var(--line);
}

.pv-who li .nm {
  flex: 1;
  min-width: 0;
}

.pv-who .see {
  display: inline-flex;
  gap: 4px;
  align-items: center;
  font-weight: 600;
  font-size: 12.5px;
  white-space: nowrap;
}

.pv-who .see .ic {
  width: 15px;
  height: 15px;
  stroke-width: 2.4;
}

.pv-who .see.y {
  color: var(--jade);
}

.pv-who .see.n {
  color: var(--lacquer);
}

.pv-who li.out {
  border-style: dashed;
  color: var(--muted);
}

.pv-note {
  margin-top: 10px;
  font-size: 13px;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--lacquer-soft);
  color: var(--ink);
}

.pv-note:empty {
  display: none;
}

.pv-note.ok {
  background: var(--jade-soft);
}

/* Demo 3: stories */
.story-rail {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding: 6px 2px 10px;
}

.sb-item {
  border: 0;
  background: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  width: 76px;
  flex: none;
  position: relative;
  border-radius: 12px;
}

.sb-ring {
  padding: 3px;
  border-radius: 50%;
  background: conic-gradient(from 200deg, var(--jade), var(--amber), var(--lacquer), var(--jade));
}

.sb-ring.seen {
  background: var(--line);
}

.sb-ring .av {
  width: 62px;
  height: 62px;
  font-size: 18px;
  border: 3px solid var(--surface);
}

.section .demo .sb-ring .av {
  border-color: var(--surface);
}

.sb-name {
  font-size: 12px;
  line-height: 1.25;
  text-align: center;
  max-width: 76px;
}

.sb-otd {
  position: absolute;
  top: 54px;
  left: 50%;
  translate: -50% 0;
  background: var(--lacquer);
  color: #fff;
  font-size: 9px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 4px;
  white-space: nowrap;
  border: 2px solid var(--surface);
  letter-spacing: 0.04em;
}

.otd-badge {
  display: inline-block;
  background: var(--lacquer);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 0 7px;
  border-radius: 4px;
  letter-spacing: 0.04em;
}

.story-bg {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: rgba(5, 9, 7, 0.94);
  display: grid;
  place-items: center;
  padding: 12px;
}

.story {
  position: relative;
  width: min(400px, 100%);
  aspect-ratio: 9 / 16;
  max-height: calc(100dvh - 24px);
  border-radius: 16px;
  overflow: hidden;
  background: #111;
  color: #fff;
  display: flex;
  flex-direction: column;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
  transition: transform 0.15s, opacity 0.15s;
}

.sart {
  --h: 150;
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: radial-gradient(120% 80% at 30% 20%, hsl(var(--h) 55% 42%), hsl(calc(var(--h) + 40) 45% 18%) 70%, #0b0f0d);
}

.sart .sy {
  font-family: var(--f-display);
  font-size: clamp(64px, 22vw, 96px);
  font-weight: 700;
  line-height: 1;
  opacity: 0.92;
}

.sart .sl {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.7;
}

.sshade {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.55), transparent 22%, transparent 50%, rgba(0, 0, 0, 0.8));
  pointer-events: none;
}

.sbars {
  position: relative;
  z-index: 3;
  display: flex;
  gap: 4px;
  padding: 10px 10px 0;
}

.sbars i {
  flex: 1;
  height: 3px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.3);
  overflow: hidden;
}

.sbars i b {
  display: block;
  height: 100%;
  width: 0;
  background: #fff;
}

.shead {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
}

.shead .av {
  border: 2px solid #fff;
  width: 36px;
  height: 36px;
  font-size: 12px;
}

.sw {
  flex: 1;
  min-width: 0;
  font-size: 14px;
  line-height: 1.3;
}

.sw small {
  display: block;
  opacity: 0.75;
  font-size: 12px;
}

.sbtn {
  border: 0;
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  font-size: 14px;
  display: grid;
  place-items: center;
  flex: none;
}

.sbtn:hover {
  background: rgba(255, 255, 255, 0.26);
}

.sbtn:focus-visible {
  outline-color: #fff;
}

.sbtn .ic {
  width: 19px;
  height: 19px;
}

.sbtn[aria-pressed='true'] {
  color: #ff7b6b;
}

.sbtn[aria-pressed='true'] .ic {
  fill: currentColor;
}

.snav {
  position: absolute;
  inset: 64px 0 120px;
  z-index: 2;
  cursor: pointer;
}

.scap {
  position: relative;
  z-index: 3;
  margin-top: auto;
  padding: 0 16px 8px;
  pointer-events: none;
}

.scap .otd {
  display: inline-block;
  background: #e4735f;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}

.scap p {
  font-size: 15.5px;
  line-height: 1.5;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
}

.scap .st {
  margin-top: 8px;
  font-size: 12.5px;
  opacity: 0.9;
}

.sfoot {
  position: relative;
  z-index: 3;
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 10px 12px 14px;
}

.sfoot input {
  flex: 1;
  min-width: 0;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: #fff;
  border-radius: 999px;
  padding: 9px 14px;
  font-size: 14px;
}

.sfoot input::placeholder {
  color: rgba(255, 255, 255, 0.7);
}

.sfoot input:focus {
  outline: 2px solid #fff;
  outline-offset: 1px;
}

.story.paused .sbars i b {
  opacity: 0.7;
}

/* Demo 5: bell */
.bell-app {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}

.bell-top {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
}

.bell-top .pill {
  margin-left: auto;
}

.bell-wrap {
  position: relative;
}

.bell-btn {
  position: relative;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--surface);
  display: grid;
  place-items: center;
  color: var(--ink);
}

.bell-btn:hover,
.bell-btn[aria-expanded='true'] {
  border-color: var(--jade);
  color: var(--jade);
}

.bell-badge {
  position: absolute;
  top: -5px;
  right: -7px;
  min-width: 20px;
  height: 20px;
  padding: 0 5px;
  border-radius: 999px;
  background: var(--lacquer);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  display: grid;
  place-items: center;
  border: 2px solid var(--surface);
}

.bell-badge.bump {
  animation: bump 0.35s ease;
}

@keyframes bump {
  50% {
    transform: scale(1.25);
  }
}

.bell-panel {
  position: absolute;
  right: -6px;
  top: calc(100% + 8px);
  z-index: 10;
  width: min(360px, calc(100vw - 48px));
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 24px 48px -20px rgba(0, 0, 0, 0.45);
  max-height: 420px;
  overflow: auto;
}

.bp-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: var(--surface);
}

.bp-sec {
  font-family: var(--f-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 10px 12px 4px;
}

.bp-list {
  list-style: none;
  padding: 0 6px 6px;
}

.bp-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  width: 100%;
  text-align: left;
  border: 0;
  background: none;
  padding: 8px;
  border-radius: 10px;
  font-size: 13.5px;
  line-height: 1.4;
}

.bp-item:hover {
  background: var(--sunk);
}

.bp-item.unread {
  background: color-mix(in srgb, var(--jade-soft) 60%, transparent);
}

.bp-item .txt {
  flex: 1;
  min-width: 0;
}

.bp-item .txt small {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.bp-item .udot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--jade);
  margin-top: 7px;
  flex: none;
}

.bp-item:not(.unread) .udot {
  visibility: hidden;
}

.bp-ic {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  flex: none;
  font-weight: 700;
  font-size: 11px;
}

.bp-ic.gio {
  background: var(--lacquer-soft);
  color: var(--lacquer);
}

.bp-ic.bd {
  background: var(--jade-soft);
  color: var(--jade);
}

.bp-ic.amb {
  background: var(--amber-soft);
  color: var(--ink);
}

.bell-body {
  min-height: 360px;
  padding: 16px;
  display: grid;
  place-items: center;
  text-align: center;
  font-size: 14px;
  color: var(--muted);
}

.bell-open {
  display: flex;
  gap: 12px;
  align-items: center;
  text-align: left;
  color: var(--ink);
  background: var(--sunk);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  width: 100%;
}

.bell-open small {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.bell-more {
  color: var(--muted);
  font-size: 12.5px;
  padding: 6px 12px 10px;
}

/* Accounts */
.acc-mock {
  display: grid;
  gap: 16px;
}

.acc-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow-lg);
}

.acc-head {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 14px;
}

.acc-head b {
  display: block;
  font-size: 15px;
}

.acc-head small {
  display: block;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.4;
}

.cred {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2px 10px;
  align-items: center;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--sunk);
  border: 1px solid var(--line);
  margin-top: 8px;
}

.cred-l {
  grid-column: 1 / -1;
  font-size: 11.5px;
  color: var(--muted);
}

.cred code {
  font-size: 16px;
  font-weight: 500;
  overflow-wrap: anywhere;
}

.copy-btn.copied {
  border-color: var(--jade);
  color: var(--jade);
}

.acc-note {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 12px;
  font-size: 13px;
  color: var(--muted);
}

.acc-note .ic {
  color: var(--amber);
  width: 18px;
  height: 18px;
}

.login-mini {
  justify-self: center;
  width: min(280px, 100%);
  display: grid;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.lm-brand {
  text-align: center;
  display: grid;
  justify-items: center;
  gap: 4px;
  margin-bottom: 6px;
}

.lm-brand b {
  font-family: var(--f-display);
  font-size: 19px;
}

.lm-brand small {
  color: var(--muted);
  font-size: 12px;
}

.lm-field {
  border: 1px solid var(--line);
  background: var(--sunk);
  border-radius: 9px;
  padding: 8px 12px;
  font-size: 14px;
  font-family: var(--f-mono);
}

.lm-btn {
  background: var(--jade);
  color: var(--on-accent);
  text-align: center;
  border-radius: 9px;
  padding: 9px;
  font-weight: 600;
  font-size: 14px;
}

/* Roles table */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.roles {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.roles caption {
  text-align: left;
  padding: 14px 18px;
  font-weight: 600;
  color: var(--muted);
  font-size: 13px;
  border-bottom: 1px solid var(--line);
}

.roles th,
.roles td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.roles thead th {
  background: var(--sunk);
  position: sticky;
  top: 0;
}

.roles tbody th {
  font-weight: 500;
  width: 40%;
}

.roles tbody th small {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
}

.roles td small {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.roles tbody tr:last-child>* {
  border-bottom: 0;
}

.roles tbody th:first-child {
  position: sticky;
  left: 0;
  background: var(--surface);
}

.roles .row-strong>* {
  background: var(--lacquer-soft) !important;
}

.yes,
.no,
.part {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 13.5px;
}

.yes::before,
.no::before,
.part::before {
  content: '';
  width: 18px;
  height: 18px;
  border-radius: 50%;
  flex: none;
  background-position: center;
  background-repeat: no-repeat;
  background-size: 12px;
}

.yes {
  color: var(--jade);
}

.yes::before {
  background-color: var(--jade-soft);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231E6A55' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12.5l4 4L18 8'/%3E%3C/svg%3E");
}

.no {
  color: var(--lacquer);
}

.no::before {
  background-color: var(--lacquer-soft);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23A8352A' stroke-width='3.2' stroke-linecap='round'%3E%3Cpath d='M7 7l10 10M17 7L7 17'/%3E%3C/svg%3E");
}

.part {
  color: var(--ink);
}

.part::before {
  background-color: var(--amber-soft);
  box-shadow: inset 0 0 0 1.5px var(--amber);
}

@media (prefers-color-scheme: dark) {
  .yes::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235CBE9C' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12.5l4 4L18 8'/%3E%3C/svg%3E");
  }

  .no::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23E4735F' stroke-width='3.2' stroke-linecap='round'%3E%3Cpath d='M7 7l10 10M17 7L7 17'/%3E%3C/svg%3E");
  }
}

.role-cards {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.role-card {
  display: flex;
  flex-direction: column;
  padding: 24px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}

.role-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.role-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
}

.role-card-desc {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 16px;
  line-height: 1.5;
}

.role-card .checks {
  margin-top: auto;
  font-size: 14px;
}

.role-notes {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.note-card {
  padding: 14px 16px;
  border-radius: 12px;
  background: var(--bg);
  border: 1px solid var(--line);
  font-size: 14.5px;
  color: var(--muted);
}

.note-card b {
  color: var(--ink);
}

/* Admin */
.admin-mock {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow-lg);
}

.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.stat {
  background: var(--sunk);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
}

.stat small {
  display: block;
  font-size: 12px;
  color: var(--muted);
}

.stat b {
  font-size: 22px;
  font-weight: 600;
}

.roles-bar {
  display: flex;
  height: 10px;
  border-radius: 999px;
  overflow: hidden;
  margin-top: 14px;
  gap: 2px;
}

.roles-bar i {
  min-width: 6px;
}

.roles-bar .a {
  background: var(--jade);
}

.roles-bar .e {
  background: var(--amber);
}

.roles-bar .v {
  background: var(--line);
}

.roles-bar-l {
  font-size: 12.5px;
  color: var(--muted);
  margin-top: 6px;
}

.log {
  margin-top: 14px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.log-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

.log-filters .chip {
  padding: 2px 10px;
  font-size: 12px;
  cursor: default;
}

.log-filters .chip.on {
  background: var(--jade-soft);
  border-color: var(--jade);
  color: var(--jade);
}

.log-list {
  list-style: none;
  display: grid;
}

.log-list li {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 8px 0;
  border-top: 1px dashed var(--line);
  font-size: 13px;
}

.log-list li span:nth-child(2) {
  flex: 1;
  min-width: 0;
}

.log-list em {
  font-style: normal;
  color: var(--jade);
  font-weight: 600;
}

.log-list time {
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap;
}

/* Security band */
.dark-band {
  background: var(--band-bg);
  color: var(--band-ink);
}

.dark-band .eyebrow {
  color: #5cbe9c;
}

.dark-band .section-lead {
  color: var(--band-muted);
}

.dark-band :focus-visible {
  outline-color: #5cbe9c;
}

.sec-grid {
  display: grid;
  gap: 14px;
}

.sec-item {
  border: 1px solid var(--band-line);
  border-radius: var(--radius-md);
  padding: 22px;
  background: rgba(255, 255, 255, 0.03);
}

.sec-item .ic {
  width: 28px;
  height: 28px;
  color: #5cbe9c;
}

.sec-item h3 {
  font-size: 17px;
  margin: 12px 0 6px;
}

.sec-item p {
  color: var(--band-muted);
  font-size: 14.5px;
}

/* UX grid */
.ux-grid {
  display: grid;
  gap: 14px;
}

.ux {
  padding: 20px;
  border-radius: var(--radius-md);
  background: var(--surface);
  border: 1px solid var(--line);
}

.ux .ic {
  width: 26px;
  height: 26px;
  color: var(--jade);
}

.ux h3 {
  font-size: 16.5px;
  margin: 10px 0 6px;
}

.ux p {
  color: var(--muted);
  font-size: 14.5px;
}

.update-toast {
  margin: 28px auto 0;
  width: max-content;
  max-width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--ink);
  color: var(--bg);
  border-radius: 12px;
  padding: 10px 12px 10px 16px;
  font-size: 14px;
  box-shadow: var(--shadow-lg);
}

.update-toast .ic {
  width: 18px;
  height: 18px;
}

.ut-btn {
  background: var(--jade);
  color: var(--on-accent);
  padding: 5px 12px;
  border-radius: 8px;
  font-weight: 600;
  margin-left: 6px;
}

@media (prefers-color-scheme: dark) {
  .ut-btn {
    color: #0e1412;
  }
}

/* Ops */
.ops-grid {
  display: grid;
  gap: 20px;
}

.cost-card {
  border-radius: var(--radius-lg);
  padding: 28px;
  color: #fff;
  position: relative;
  overflow: hidden;
  background: radial-gradient(90% 70% at 100% 0%, #2b8a6e, transparent 70%), linear-gradient(160deg, #1e6a55, #123f33);
}

.cost-l {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.8;
}

.cost-v {
  font-family: var(--f-display);
  font-size: 30px;
  margin-top: 4px;
}

.cost-v span {
  font-size: 80px;
  line-height: 1;
  font-weight: 700;
}

.cost-v small {
  font-size: 20px;
  opacity: 0.85;
}

.cost-sub {
  margin-top: 10px;
  opacity: 0.85;
}

.cost-list {
  list-style: none;
  display: grid;
  gap: 4px;
  margin-top: 6px;
}

.cost-list b {
  font-size: 17px;
}

.stack {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 20px;
}

.stack span {
  font-family: var(--f-mono);
  font-size: 12px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.ops-list {
  display: grid;
  gap: 10px;
}

.ops-item {
  display: flex;
  gap: 14px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: var(--bg);
  border: 1px solid var(--line);
}

.ops-item .ic {
  width: 24px;
  height: 24px;
  color: var(--jade);
  margin-top: 2px;
}

.ops-item h3 {
  font-size: 16px;
  margin-bottom: 4px;
}

.ops-item p {
  color: var(--muted);
  font-size: 14.5px;
}

/* Steps */
.steps {
  list-style: none;
  display: grid;
  gap: 14px;
  counter-reset: none;
}

.step {
  position: relative;
  padding: 22px;
  border-radius: var(--radius-md);
  background: var(--surface);
  border: 1px solid var(--line);
}

.step-n {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--jade);
  color: var(--on-accent);
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 18px;
}

.step h3 {
  font-size: 17px;
  margin: 12px 0 6px;
}

.step p {
  color: var(--muted);
  font-size: 14.5px;
}

/* FAQ */
.faq {
  display: grid;
  gap: 10px;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--bg);
  overflow: hidden;
}

.faq-item h3 {
  font-size: 16.5px;
  font-weight: 600;
}

.faq-item button {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  text-align: left;
  border: 0;
  background: none;
  padding: 16px 18px;
  font-weight: 600;
  line-height: 1.4;
}

.faq-item button::after {
  content: '';
  width: 22px;
  height: 22px;
  flex: none;
  border-radius: 50%;
  background: var(--jade-soft);
  background-image: linear-gradient(var(--jade), var(--jade)), linear-gradient(var(--jade), var(--jade));
  background-size: 10px 2px, 2px 10px;
  background-position: center;
  background-repeat: no-repeat;
  transition: transform 0.25s;
}

.faq-item button[aria-expanded='true']::after {
  transform: rotate(45deg);
}

.faq-item button:focus-visible {
  outline-offset: -3px;
}

.faq-a {
  padding: 0 18px 18px;
  color: var(--muted);
  font-size: 15px;
}

.faq-a strong {
  color: var(--ink);
}

/* Roadmap */
.road {
  list-style: none;
  display: grid;
  gap: 10px;
}

.road li {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  border: 1.5px dashed color-mix(in srgb, var(--amber) 70%, var(--line));
  background: color-mix(in srgb, var(--amber-soft) 50%, transparent);
  font-weight: 500;
}

.soon {
  align-self: flex-start;
  font-family: var(--f-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: var(--amber);
  color: #2a1e05;
  padding: 1px 8px;
  border-radius: 999px;
  font-weight: 500;
}

/* Contact */
.cta-band {
  background: linear-gradient(180deg, var(--bg), var(--jade-soft));
}

.contact-form,
.form-success {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--shadow-lg);
  display: grid;
  gap: 14px;
}

.field {
  display: grid;
  gap: 5px;
}

.field label {
  font-weight: 600;
  font-size: 14px;
}

.field label span {
  color: var(--lacquer);
}

textarea.inp {
  resize: vertical;
  min-height: 84px;
}

.form-note {
  font-size: 12.5px;
  color: var(--muted);
}

.form-success {
  text-align: center;
  justify-items: center;
}

.form-success:focus {
  outline: none;
}

.form-success h3 {
  font-family: var(--f-display);
  font-size: 24px;
}

.form-success p {
  color: var(--muted);
}

/* Footer */
.site-footer {
  padding: 40px 0 48px;
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.footer-grid {
  display: grid;
  gap: 20px;
}

.footer-grid .brand {
  margin-bottom: 6px;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
}

.footer-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
}

.footer-nav a:hover {
  color: var(--jade);
  text-decoration: underline;
}

.footer-copy {
  font-size: 13px;
}

/* ---------- Reveal ---------- */
.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.js .reveal.in {
  opacity: 1;
  transform: none;
}

/* ---------- Responsive (mobile-first) ---------- */
@media (min-width: 620px) {
  .value-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .fgrid {
    grid-template-columns: repeat(2, 1fr);
  }

  .sec-grid,
  .ux-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .road {
    grid-template-columns: repeat(2, 1fr);
  }

  .role-notes {
    grid-template-columns: 1fr 1fr;
  }

  .stats {
    grid-template-columns: repeat(4, 1fr);
  }

  .age-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 2fr;
    align-items: start;
  }

  .footer-copy {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .section {
    padding: 104px 0;
  }

  .hero {
    padding: 64px 0 96px;
  }

  .hero-grid {
    grid-template-columns: 1fr 1.05fr;
    gap: 56px;
  }

  .split {
    grid-template-columns: 1fr 1fr;
    gap: 56px;
  }

  .split-demo {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: center;
  }

  .contact-split {
    grid-template-columns: 1.1fr 1fr;
    padding: 40px;
  }

  .value-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .fgrid {
    grid-template-columns: repeat(3, 1fr);
  }

  .sec-grid,
  .ux-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .steps {
    grid-template-columns: repeat(5, 1fr);
  }

  .road {
    grid-template-columns: repeat(4, 1fr);
  }

  .ops-grid {
    grid-template-columns: 0.8fr 1.2fr;
  }

  #su-kien .split-demo .age-grid {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 1100px) {
  #su-kien .split-demo .age-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 419px) {
  .container {
    padding-inline: 16px;
  }

  .demo {
    padding: 14px;
  }

  .hero-ctas .btn {
    width: 100%;
  }

  .row3 {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .contact-split {
    padding: 20px;
  }

  .lod-arrow {
    display: none;
  }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
  }

  .tcard.ev-gio {
    box-shadow: 0 0 22px 5px color-mix(in srgb, var(--lacquer) 45%, transparent);
  }

  .pcard.flash {
    outline: 3px solid var(--jade);
    outline-offset: 2px;
  }
}

/* ---------- Pricing (monthly plans) ---------- */
.price-grid {
  display: grid;
  gap: 20px;
}

.price-card {
  position: relative;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 26px 24px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}

.price-card-feature {
  border: 2px solid var(--jade);
  background: linear-gradient(180deg, var(--jade-soft), var(--surface) 60%);
}

.price-l {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--jade);
  font-weight: 600;
}

.price-v {
  font-family: var(--f-display);
  font-size: clamp(28px, 6vw, 40px);
  line-height: 1.15;
  font-weight: 700;
  font-variant-numeric: lining-nums;
}

.price-v small {
  font-family: var(--f-body);
  font-size: 15px;
  font-weight: 500;
  color: var(--muted);
  margin-left: 4px;
}

.price-v .price-pre {
  display: block;
  margin-left: 0;
  font-size: 13px;
}

.price-badge {
  position: absolute;
  top: -12px;
  right: 20px;
  padding: 3px 12px;
  border-radius: 999px;
  background: var(--jade);
  color: var(--on-accent);
  font-size: 12.5px;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.price-sub {
  color: var(--muted);
}

.price-card .checks {
  margin-top: 12px;
  margin-bottom: 20px;
}

.price-cta {
  margin-top: auto;
  align-self: flex-start;
}

.price-note {
  margin-top: 16px;
  color: var(--muted);
  text-align: center;
}

.price-note a {
  color: var(--jade);
}

.ops-list-wide {
  margin-top: 32px;
}

@media (min-width: 760px) {
  .ops-list-wide {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .price-grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: stretch;
  }
}

@media (max-width: 419px) {
  .price-card {
    padding: 20px 18px;
  }

  .price-cta {
    align-self: stretch;
    text-align: center;
  }
}

/* ---------- Hero: live demo of the real app (demo/ = `pnpm build:demo` in frontend/) ---------- */
.hero-grid--demo {
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  justify-items: center;
}

.hero-grid--demo .hero-copy {
  max-width: 860px;
  margin-inline: auto;
  width: 100%;
}

.hero-grid--demo .hero-copy .hero-story,
.hero-grid--demo .hero-copy .lead,
.hero-grid--demo .hero-copy .hero-clan {
  max-width: 100%;
}

@media (min-width: 900px) {
  .hero-grid--demo {
    grid-template-columns: minmax(0, 1fr);
    gap: 44px;
    justify-items: center;
  }
}

.hero-grid--demo .try {
  width: 100%;
}

.try {
  scroll-margin-top: calc(var(--header-h) + 12px);
  display: grid;
  gap: 14px;
}

.try-window {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow-lg);
}

.try-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 10px 8px 14px;
  background: var(--sunk);
  border-bottom: 1px solid var(--line);
}

.try-dots {
  display: inline-flex;
  gap: 6px;
}

.try-dots i {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--line);
}

.try-dots i:nth-child(1) {
  background: #e4735f;
}

.try-dots i:nth-child(2) {
  background: #e8b44c;
}

.try-dots i:nth-child(3) {
  background: #5cbe9c;
}

.try-url {
  flex: 1;
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--line);
  font-family: var(--f-mono);
  font-size: 12.5px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.try-url .ic {
  width: 13px;
  height: 13px;
  color: var(--jade);
  flex: none;
}

.try-full {
  flex: none;
}

.try-frame {
  display: block;
  width: 100%;
  height: clamp(560px, 80vh, 720px);
  border: 0;
  background: #edf1ee;
}

.try-file {
  margin: 0;
  padding: 48px 24px;
  text-align: center;
  color: var(--muted);
}

.try-file code {
  font-family: var(--f-mono);
  font-size: 13px;
}

.try-roles {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.try-roles-lbl {
  font-weight: 600;
  font-size: 14px;
  margin-right: 4px;
}

.try-role {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-weight: 600;
  font-size: 14px;
  line-height: 1.25;
  cursor: pointer;
}

.try-role small {
  font-weight: 400;
  font-size: 12px;
  color: var(--muted);
}

.try-role:hover {
  border-color: var(--jade);
}

.try-role[aria-pressed='true'] {
  border-color: var(--jade);
  background: var(--jade-soft);
  color: var(--jade);
}

.try-reset {
  margin-left: auto;
}

.try-note {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}

.try-card {
  display: none;
}

@media (max-width: 719px) {

  .try-window,
  .try-roles,
  .try-note {
    display: none;
  }

  .try-card {
    display: grid;
    gap: 8px;
    justify-items: start;
    padding: 22px;
    text-decoration: none;
    color: var(--ink);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: var(--shadow-lg);
  }

  .try-card b {
    font-family: var(--f-display);
    font-size: 20px;
  }

  .try-card>span:not(.btn):not(.try-card-ic) {
    color: var(--muted);
    font-size: 14.5px;
  }

  .try-card .btn {
    margin-top: 6px;
  }

  .try-card-ic {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--jade-soft);
    color: var(--jade);
  }

  .try-card-ic .ic {
    width: 22px;
    height: 22px;
  }
}

/* Footnote marks (plan-dependent claims) */
.fn-mark {
  color: var(--lacquer);
  font-size: 0.6em;
  margin-left: 2px;
}

.fn-note {
  margin-top: 12px;
  font-size: 12.5px;
  color: var(--muted);
}

/* Contact form: spam trap + delivery error */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.form-error {
  font-size: 13.5px;
  color: var(--lacquer);
  background: var(--lacquer-soft);
  border-radius: 10px;
  padding: 10px 12px;
}

.contact-form button[disabled] {
  opacity: 0.7;
  cursor: progress;
}

.footer-hotline {
  margin-top: 10px;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--fg);
}

.footer-hotline a {
  color: var(--jade);
  text-decoration: none;
  font-weight: 600;
}

.footer-hotline a:hover {
  text-decoration: underline;
}

/* Floating Zalo button */
.float-zalo {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 99;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 16px 6px 8px;
  background: var(--surface);
  border: 1px solid color-mix(in srgb, #0068ff 30%, var(--line));
  border-radius: 999px;
  box-shadow: 0 6px 20px rgba(0, 104, 255, 0.2), 0 2px 6px rgba(0, 0, 0, 0.08);
  color: var(--fg);
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  backdrop-filter: blur(8px);
}

.float-zalo:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 104, 255, 0.3), 0 4px 10px rgba(0, 0, 0, 0.1);
}

.float-zalo-ic {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #0068ff;
  color: #fff;
  font-size: 17px;
  font-weight: 800;
  display: grid;
  place-items: center;
  box-shadow: 0 2px 8px rgba(0, 104, 255, 0.4);
}

.float-zalo-txt {
  font-size: 13.5px;
  line-height: 1.2;
}

.float-zalo-txt b {
  color: #0068ff;
  display: block;
  font-size: 14.5px;
  font-family: var(--f-mono);
}

@media (max-width: 640px) {
  .float-zalo {
    bottom: 18px;
    right: 18px;
    padding: 6px;
  }
  .float-zalo-txt {
    display: none;
  }
}