/* v2s-ios — warm editorial system, adapted from the Humanist Review language */
:root {
  --paper: #faf8f3;
  --cream: #f7f1ea;
  --shell: #f2efe8;
  --wash: #f7ecd9;
  --ink: #1c1718;
  --plum: #4d2a33;
  --plum-light: #6a3a47;
  --text: #2a2325;
  --muted: #75685f;
  --stone: #b2a496;
  --border: #e5ddd2;
  --peach: #fadbc9;
  --coral: #f4a499;
  --coral-deep: #d97967;
  --art-surface: #f5e9d8;
  --art-ink: #4d2a33;
  --shadow: rgba(56, 38, 40, 0.12);
  --lanyang-ming: "jf-lanyangming", "Songti TC", "Noto Serif TC", serif;
  --lanyang-hei: "jf-lanyanghei", "PingFang TC", "Noto Sans TC", sans-serif;
  --display: "DM Sans", var(--lanyang-hei), system-ui, sans-serif;
  --serif: "Newsreader", "Iowan Old Style", var(--lanyang-ming), Georgia, serif;
  --mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  --container: min(1180px, calc(100% - 48px));
  --measure: 43rem;
  --header-h: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #1d1719;
    --cream: #241c1e;
    --shell: #211a1c;
    --wash: #2a2124;
    --ink: #f2ece4;
    --text: #cfc4ba;
    --muted: #97887d;
    --stone: #8a7d70;
    --border: #382e30;
    --peach: #d29a80;
    --coral: #f4a499;
    --coral-deep: #e58b78;
    --art-surface: #2a2124;
    --art-ink: #f4a499;
    --shadow: rgba(0, 0, 0, 0.34);
    color-scheme: dark;
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 18px);
  hanging-punctuation: first allow-end last;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--text);
  background: var(--paper);
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-tap-highlight-color: transparent;
  font-synthesis: none;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 90;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.84' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
}

::selection {
  color: var(--plum);
  background: var(--peach);
}

img,
svg {
  display: block;
  max-width: 100%;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
  text-decoration-color: var(--coral-deep);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  transition: color 180ms ease, text-decoration-color 180ms ease;
}

a:hover {
  color: var(--coral-deep);
}

:focus-visible {
  outline: 2px solid var(--coral-deep);
  outline-offset: 3px;
}

code {
  font-family: var(--mono);
  font-size: 0.86em;
}

.container {
  width: var(--container);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  padding: 8px 16px;
  color: var(--paper);
  background: var(--ink);
  border-radius: 2px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-decoration: none;
  transform: translateY(-220%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: none;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  min-height: var(--header-h);
  background: var(--paper);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  border-bottom: 1px solid var(--border);
  -webkit-backdrop-filter: blur(16px) saturate(1.15);
  backdrop-filter: blur(16px) saturate(1.15);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: none;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
}

.brand:hover {
  color: var(--coral-deep);
}

.brand-icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--ink) 10%, transparent);
}

.brand-lockup {
  display: grid;
  line-height: 1;
}

.brand-lockup strong {
  font-family: var(--display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-lockup small {
  margin-top: 5px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.54rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.nav {
  display: none;
  align-items: center;
  gap: clamp(18px, 2vw, 30px);
}

.nav a {
  position: relative;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.63rem;
  font-weight: 500;
  letter-spacing: 0.13em;
  text-decoration: none;
  text-transform: uppercase;
}

.nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 1px;
  background: var(--coral-deep);
  transform: scaleX(0);
  transition: transform 220ms var(--ease);
}

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

.nav a:hover::after,
.nav a:focus-visible::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 2px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--shell);
}

.lang-option {
  min-width: 38px;
  min-height: 28px;
  padding: 3px 9px;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  transition: color 180ms ease, background 180ms ease;
}

.lang-option:hover {
  color: var(--ink);
}

.lang-option.is-active {
  color: var(--paper);
  background: var(--ink);
}

.lang-toggle-mobile {
  display: none;
}

.nav-toggle {
  display: flex;
  width: 42px;
  height: 42px;
  padding: 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 50%;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 17px;
  height: 1px;
  background: currentColor;
  transition: transform 220ms var(--ease), opacity 160ms ease;
}

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

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

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

.mobile-nav {
  position: absolute;
  top: var(--header-h);
  right: 0;
  left: 0;
  display: flex;
  flex-direction: column;
  padding: 18px 24px 24px;
  background: var(--paper);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 18px 34px var(--shadow);
}

.mobile-nav[hidden] {
  display: none;
}

.mobile-nav a {
  padding: 12px 0;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  font-family: var(--display);
  font-size: 0.96rem;
  font-weight: 600;
  text-decoration: none;
}

.mobile-nav a:last-child {
  color: var(--coral-deep);
  border-bottom: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border: 1px solid transparent;
  border-radius: 2px;
  cursor: pointer;
  font-family: var(--mono);
  font-weight: 500;
  letter-spacing: 0.06em;
  line-height: 1;
  text-decoration: none;
  transition: color 200ms ease, background 200ms ease, border-color 200ms ease, transform 180ms var(--ease), box-shadow 200ms ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn-sm {
  min-height: 34px;
  padding: 7px 12px;
  font-size: 0.62rem;
  text-transform: uppercase;
}

.btn-lg {
  min-height: 48px;
  padding: 13px 19px;
  font-size: 0.68rem;
  text-transform: uppercase;
}

.btn-primary {
  color: var(--paper);
  background: var(--ink);
  border-color: var(--ink);
  box-shadow: 0 10px 26px color-mix(in srgb, var(--ink) 14%, transparent);
}

.btn-primary:hover {
  color: #fff8ed;
  background: var(--plum-light);
  border-color: var(--plum-light);
  box-shadow: 0 14px 32px color-mix(in srgb, var(--plum) 20%, transparent);
}

.btn-ghost {
  color: var(--muted);
  background: transparent;
  border-color: var(--stone);
}

.btn-ghost:hover {
  color: var(--coral-deep);
  border-color: var(--coral-deep);
}

.btn-text {
  color: var(--ink);
  background: transparent;
}

.btn-text:hover {
  color: var(--coral-deep);
}

.btn-light {
  color: var(--plum);
  background: #fff8ed;
  border-color: #fff8ed;
}

.btn-light:hover {
  color: var(--plum);
  background: var(--peach);
  border-color: var(--peach);
}

.btn-dark-outline {
  color: #f8eedd;
  background: transparent;
  border-color: rgba(250, 219, 201, 0.4);
}

.btn-dark-outline:hover {
  color: var(--peach);
  border-color: var(--peach);
}

/* Hero */
.hero {
  position: relative;
  padding: clamp(64px, 6vw, 86px) 0 0;
}

.hero-copy {
  max-width: 980px;
  text-align: center;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: clamp(24px, 4vw, 38px);
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 27px;
  padding: 3px 10px;
  color: var(--coral-deep);
  border: 1px solid var(--stone);
  border-radius: 2px;
  font-family: var(--mono);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.badge::before {
  content: "";
  width: 5px;
  height: 5px;
  margin-right: 7px;
  background: var(--coral);
  border-radius: 50%;
}

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

.badge-muted::before {
  background: var(--stone);
}

.hero h1 {
  max-width: 12em;
  margin: 0 auto;
  color: var(--ink);
  font-family: var(--display);
  font-size: clamp(3rem, 6.2vw, 5.3rem);
  font-weight: 900;
  letter-spacing: -0.055em;
  line-height: 0.98;
  text-wrap: balance;
}

.hero h1 em {
  color: var(--coral-deep);
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.035em;
}

.hero-lead {
  max-width: 39em;
  margin: clamp(25px, 3.5vw, 38px) auto 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 1.8vw, 1.28rem);
  line-height: 1.72;
  text-wrap: balance;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 30px;
}

.hero-art {
  width: min(1248px, calc(100% - 48px));
  margin: clamp(48px, 5vw, 60px) auto 0;
}

.art-frame {
  position: relative;
  min-height: clamp(590px, 55vw, 720px);
  overflow: hidden;
  background:
    radial-gradient(90% 130% at 80% 8%, color-mix(in srgb, var(--peach) 26%, transparent), transparent 58%),
    radial-gradient(76% 100% at 13% 88%, color-mix(in srgb, var(--coral) 18%, transparent), transparent 58%),
    var(--art-surface);
  border: 1px solid color-mix(in srgb, var(--stone) 50%, transparent);
  border-radius: 4px;
}

.art-frame::after {
  content: "";
  position: absolute;
  inset: 16px;
  pointer-events: none;
  border: 1px solid color-mix(in srgb, var(--stone) 40%, transparent);
  border-radius: 2px;
}

.voice-art {
  position: absolute;
  top: 50%;
  left: -1.5%;
  width: min(60%, 750px);
  height: auto;
  transform: translateY(-50%);
}

.art-ring {
  fill: none;
  stroke: var(--stone);
  stroke-width: 1;
  opacity: 0.56;
}

.art-ring-dashed {
  stroke-dasharray: 3 8;
  opacity: 0.5;
  transform-box: fill-box;
  transform-origin: center;
}

.art-arc,
.art-line {
  fill: none;
  stroke: var(--coral-deep);
  stroke-width: 1.2;
  opacity: 0.5;
}

.art-line {
  stroke: var(--stone);
  stroke-width: 1;
}

.wave-dots {
  fill: var(--coral);
  opacity: 0.92;
}

.art-disc {
  fill: var(--coral-deep);
  opacity: 0.7;
}

.art-disc-large {
  fill: var(--peach);
  opacity: 0.58;
}

.art-words {
  position: absolute;
  left: clamp(34px, 7vw, 94px);
  bottom: 45px;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 13px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: clamp(0.54rem, 0.85vw, 0.68rem);
  letter-spacing: 0.24em;
}

.art-words i {
  color: var(--coral-deep);
  font-family: var(--serif);
  font-size: 1.25rem;
  font-style: normal;
  letter-spacing: 0;
}

.caption-fragment {
  position: absolute;
  z-index: 4;
  display: grid;
  min-width: 220px;
  gap: 5px;
  padding: 12px 16px;
  color: #f8eedd;
  background: color-mix(in srgb, var(--plum) 91%, transparent);
  border: 1px solid rgba(250, 219, 201, 0.24);
  border-radius: 2px;
  box-shadow: 0 14px 34px rgba(36, 20, 25, 0.18);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.caption-fragment small {
  color: var(--coral);
  font-family: var(--mono);
  font-size: 0.52rem;
  letter-spacing: 0.18em;
}

.caption-fragment span {
  font-size: 0.92rem;
  line-height: 1.3;
}

.caption-fragment-source {
  top: 32%;
  left: 10%;
}

.caption-fragment-translation {
  top: calc(32% + 78px);
  left: 17%;
}

.phone-stage {
  position: absolute;
  top: 50%;
  right: clamp(6%, 9vw, 13%);
  z-index: 3;
  width: clamp(248px, 24vw, 330px);
  transform: translateY(-50%);
}

.phone-halo {
  position: absolute;
  inset: 12% -25%;
  z-index: -1;
  background: radial-gradient(circle, color-mix(in srgb, var(--coral) 34%, transparent), transparent 68%);
  filter: blur(22px);
}

.phone-shell {
  padding: 9px;
  background: #0a090a;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 53px;
  box-shadow:
    0 40px 80px rgba(35, 17, 22, 0.3),
    0 8px 24px rgba(35, 17, 22, 0.2),
    inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.phone-shell img {
  width: 100%;
  height: auto;
  border-radius: 44px;
}

.hero-art figcaption {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  gap: 20px;
  margin: 24px 0 0;
  padding: 14px 2px;
  color: var(--muted);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  line-height: 1.65;
}

.figure-label {
  color: var(--coral-deep);
  letter-spacing: 0.18em;
}

.figure-meta {
  color: var(--stone);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* Editorial principles */
.highlights {
  padding: clamp(68px, 9vw, 110px) 0 0;
}

.highlights-grid {
  display: grid;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.highlight-card {
  position: relative;
  padding: 34px clamp(24px, 3vw, 38px) 38px;
}

.highlight-card + .highlight-card {
  border-top: 1px solid var(--border);
}

.card-index,
.feature-num {
  color: var(--coral-deep);
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.18em;
}

.highlight-icon {
  display: grid;
  width: 42px;
  height: 42px;
  margin: 20px 0 17px;
  place-items: center;
  color: var(--plum);
  background: var(--peach);
  border-radius: 50%;
}

@media (prefers-color-scheme: dark) {
  .highlight-icon {
    color: var(--peach);
    background: var(--wash);
  }
}

.highlight-icon svg {
  width: 21px;
  height: 21px;
}

.highlight-card h3 {
  margin: 0 0 10px;
  color: var(--ink);
  font-family: var(--display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.35;
}

.highlight-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.97rem;
  line-height: 1.75;
}

/* Sections */
.section {
  padding: clamp(88px, 10vw, 138px) 0;
}

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

.section-header {
  position: relative;
  max-width: 760px;
  margin-bottom: clamp(46px, 6vw, 72px);
}

.section-header::after {
  content: attr(data-section);
  position: absolute;
  top: -0.55em;
  right: -0.08em;
  z-index: -1;
  color: transparent;
  font-family: var(--display);
  font-size: clamp(5rem, 12vw, 9rem);
  font-weight: 700;
  line-height: 1;
  opacity: 0.6;
  -webkit-text-stroke: 1px var(--stone);
  pointer-events: none;
  user-select: none;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--coral-deep);
  font-family: var(--mono);
  font-size: 0.64rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.section-header h2,
.privacy-heading h2 {
  max-width: 13em;
  margin: 0;
  color: var(--ink);
  font-family: var(--display);
  font-size: clamp(2rem, 4.8vw, 3.55rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1.08;
  text-wrap: balance;
}

.section-lead {
  max-width: 39em;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.8;
  text-wrap: pretty;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
}

.feature-card {
  position: relative;
  padding: 28px 0 30px;
  border-top: 1px solid var(--border);
}

.feature-card h3 {
  margin: 18px 0 10px;
  color: var(--ink);
  font-family: var(--display);
  font-size: 1.13rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.feature-card p {
  max-width: 31em;
  margin: 0;
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.75;
}

/* How it works */
.steps-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.steps-list li {
  position: relative;
  min-height: 250px;
  padding: 30px 0 36px;
}

.steps-list li + li {
  border-top: 1px solid var(--border);
}

.step-marker {
  display: grid;
  width: 40px;
  height: 40px;
  margin-bottom: 42px;
  place-items: center;
  color: var(--paper);
  background: var(--ink);
  border-radius: 50%;
  font-family: var(--mono);
  font-size: 0.68rem;
}

.steps-list strong {
  display: block;
  margin-bottom: 11px;
  color: var(--ink);
  font-family: var(--display);
  font-size: 1.26rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.steps-list li > span:last-child {
  display: block;
  max-width: 29em;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.75;
}

/* Languages */
.language-groups {
  display: grid;
  gap: 48px;
}

.language-group {
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.lang-note {
  margin: 0 0 22px;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.64rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.lang-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.lang-chips li {
  padding: 7px 12px 6px;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 2px;
  font-family: var(--serif);
  font-size: 0.9rem;
  line-height: 1.35;
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}

.lang-chips li:hover {
  color: var(--ink);
  background: var(--wash);
  border-color: var(--stone);
}

.lang-chips .lang-chip-special {
  color: var(--coral-deep);
  border-color: var(--coral);
}

.lang-footnote {
  max-width: 48em;
  margin: 42px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.75;
}

.lang-footnote a {
  color: var(--ink);
}

.lang-footnote a:hover {
  color: var(--coral-deep);
}

/* Privacy — always dark */
.privacy-section {
  position: relative;
  overflow: hidden;
  color: #f8eedd;
  background:
    radial-gradient(110% 100% at 12% 0%, #653845 0%, transparent 58%),
    radial-gradient(85% 120% at 92% 100%, #3d2029 0%, transparent 62%),
    var(--plum);
}

.privacy-section::before {
  content: "";
  position: absolute;
  top: -140px;
  right: 7vw;
  width: 330px;
  height: 330px;
  border: 1px dashed rgba(250, 219, 201, 0.18);
  border-radius: 50%;
}

.privacy-section::after {
  content: "";
  position: absolute;
  right: calc(7vw + 72px);
  bottom: -190px;
  width: 420px;
  height: 420px;
  border: 1px solid rgba(250, 219, 201, 0.12);
  border-radius: 50%;
}

.privacy-block {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(42px, 7vw, 96px);
}

.privacy-heading .eyebrow {
  color: var(--coral);
}

.privacy-heading h2 {
  color: #fffaf2;
}

.check-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(250, 219, 201, 0.24);
}

.check-list li {
  position: relative;
  padding: 19px 0 19px 34px;
  color: rgba(248, 238, 221, 0.82);
  border-bottom: 1px solid rgba(250, 219, 201, 0.18);
  font-size: 0.98rem;
  line-height: 1.7;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  top: 19px;
  left: 0;
  color: var(--coral);
  font-family: var(--mono);
  font-size: 0.78rem;
}

/* Build */
.install-steps {
  display: grid;
  gap: 0;
  max-width: 900px;
  border-top: 1px solid var(--border);
}

.install-step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: clamp(18px, 3vw, 32px);
  padding: 30px 0;
  border-bottom: 1px solid var(--border);
}

.step-num {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  color: var(--coral-deep);
  border: 1px solid var(--stone);
  border-radius: 50%;
  font-family: var(--mono);
  font-size: 0.68rem;
}

.install-step h3 {
  margin: 3px 0 9px;
  color: var(--ink);
  font-family: var(--display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.install-step p {
  max-width: 41em;
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.install-step-code p {
  margin-bottom: 20px;
}

.code-block {
  position: relative;
  overflow: hidden;
  color: #f8eedd;
  background: #21181b;
  border: 1px solid #4a373b;
  border-radius: 3px;
  box-shadow: 0 18px 44px rgba(32, 19, 23, 0.16);
}

.code-block::before {
  content: "TERMINAL";
  display: block;
  padding: 8px 14px;
  color: rgba(248, 238, 221, 0.5);
  border-bottom: 1px solid #4a373b;
  font-family: var(--mono);
  font-size: 0.5rem;
  letter-spacing: 0.2em;
}

.code-block pre {
  margin: 0;
  padding: 20px 84px 22px 20px;
  overflow-x: auto;
  color: #eadfd4;
  font-family: var(--mono);
  font-size: 0.75rem;
  line-height: 1.75;
  tab-size: 2;
}

.copy-btn {
  position: absolute;
  top: 48px;
  right: 12px;
  min-width: 56px;
  padding: 6px 8px;
  color: rgba(248, 238, 221, 0.68);
  background: transparent;
  border: 1px solid rgba(250, 219, 201, 0.3);
  border-radius: 2px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}

.copy-btn:hover,
.copy-btn.copied {
  color: var(--peach);
  background: rgba(250, 219, 201, 0.08);
  border-color: var(--peach);
}

.permissions-card {
  max-width: 900px;
  margin-top: 52px;
  padding: clamp(28px, 4vw, 42px);
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: 3px;
}

.permissions-kicker {
  margin: 0 0 22px;
  color: var(--coral-deep);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.permissions-card ul {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.permissions-card li {
  display: grid;
  gap: 5px;
  padding: 16px 0;
  border-top: 1px solid var(--border);
}

.permissions-card strong {
  color: var(--ink);
  font-family: var(--display);
  font-size: 0.95rem;
  font-weight: 700;
}

.permissions-card li span {
  color: var(--muted);
  font-size: 0.91rem;
}

.fork-note {
  display: grid;
  gap: 24px;
  margin-top: clamp(70px, 9vw, 110px);
  padding: clamp(30px, 5vw, 54px);
  background: var(--shell);
  border-top: 3px solid var(--coral);
}

.fork-note .eyebrow {
  margin-bottom: 12px;
}

.fork-note h3 {
  max-width: 10em;
  margin: 0;
  color: var(--ink);
  font-family: var(--display);
  font-size: clamp(1.55rem, 3vw, 2.15rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.15;
}

.fork-note p:not(.eyebrow) {
  max-width: 42em;
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.8;
}

.fork-note a {
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Final band */
.cta-band {
  position: relative;
  overflow: hidden;
  padding: clamp(86px, 11vw, 148px) 0;
  color: #f8eedd;
  background:
    radial-gradient(100% 130% at 50% 0%, #663847 0%, var(--plum) 56%, #41232c 100%);
}

.cta-band::before,
.cta-band::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(250, 219, 201, 0.16);
  border-radius: 50%;
}

.cta-band::before {
  top: -210px;
  left: -80px;
  width: 500px;
  height: 500px;
}

.cta-band::after {
  right: -160px;
  bottom: -320px;
  width: 640px;
  height: 640px;
  border-style: dashed;
}

.cta-inner {
  position: relative;
  z-index: 1;
  max-width: 880px;
  text-align: center;
}

.cta-kicker {
  margin: 0 0 24px;
  color: var(--coral);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

.cta-inner h2 {
  max-width: 13em;
  margin: 0 auto;
  color: #fffaf2;
  font-family: var(--display);
  font-size: clamp(2.2rem, 5.4vw, 4.25rem);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 1.04;
  text-wrap: balance;
}

.cta-inner > p:not(.cta-kicker) {
  max-width: 36em;
  margin: 24px auto 0;
  color: rgba(248, 238, 221, 0.74);
  font-size: 1.05rem;
  line-height: 1.8;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 32px;
}

/* Footer */
.site-footer {
  padding: 34px 0 46px;
  background: var(--shell);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 15px 30px;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--ink);
  font-family: var(--display);
  font-size: 0.9rem;
  font-weight: 700;
}

.footer-brand img {
  border-radius: 7px;
}

.footer-meta {
  margin: 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.57rem;
  letter-spacing: 0.06em;
}

.footer-meta a {
  color: inherit;
}

.footer-upstream {
  margin-left: auto;
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 760ms ease, transform 760ms var(--ease);
}

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

.reveal-delay {
  transition-delay: 90ms;
}

.reveal-delay-2 {
  transition-delay: 180ms;
}

@media (prefers-reduced-motion: no-preference) {
  .art-ring-dashed {
    animation: orbit 90s linear infinite;
  }

  .phone-shell {
    animation: phone-float 7s var(--ease) infinite alternate;
  }

  .wave-dots circle:nth-child(3n + 1) {
    animation: dot-breathe 5.5s ease-in-out infinite;
  }

  .wave-dots circle:nth-child(3n + 2) {
    animation: dot-breathe 5.5s ease-in-out -1.8s infinite;
  }
}

@keyframes orbit {
  to { transform: rotate(1turn); }
}

@keyframes phone-float {
  from { transform: translateY(0) rotate(0.25deg); }
  to { transform: translateY(-9px) rotate(-0.25deg); }
}

@keyframes dot-breathe {
  0%, 100% { opacity: 0.9; }
  50% { opacity: 0.35; }
}

/* Responsive layout */
@media (min-width: 680px) {
  .highlights-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .highlight-card + .highlight-card {
    border-top: 0;
    border-left: 1px solid var(--border);
  }

  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
    column-gap: clamp(34px, 5vw, 68px);
  }

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

  .steps-list li {
    padding: 30px clamp(24px, 3vw, 38px) 38px;
  }

  .steps-list li:first-child {
    padding-left: 0;
  }

  .steps-list li + li {
    border-top: 0;
    border-left: 1px solid var(--border);
  }

  .language-groups {
    grid-template-columns: 1fr 1fr;
    gap: clamp(36px, 6vw, 72px);
  }

  .permissions-card ul {
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }

  .permissions-card li {
    padding-bottom: 0;
  }

  .fork-note {
    grid-template-columns: minmax(220px, 0.7fr) 1.3fr;
    gap: clamp(36px, 7vw, 90px);
  }
}

@media (min-width: 900px) {
  .feature-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .privacy-block {
    grid-template-columns: minmax(300px, 0.9fr) 1.1fr;
    align-items: start;
  }
}

@media (min-width: 1040px) {
  .nav {
    display: flex;
  }

  .nav-toggle {
    display: none;
  }
}

@media (max-width: 1039px) {
  .header-github {
    display: none;
  }

  .art-frame {
    min-height: 650px;
  }

  .phone-stage {
    right: 6%;
  }

  .caption-fragment-source {
    left: 6%;
  }

  .caption-fragment-translation {
    left: 12%;
  }
}

@media (max-width: 760px) {
  :root {
    --container: min(100% - 36px, 1180px);
    --header-h: 66px;
  }

  .header-build {
    display: none;
  }

  .hero {
    padding-top: 58px;
  }

  .hero-art {
    width: calc(100% - 24px);
  }

  .art-frame {
    min-height: 650px;
  }

  .voice-art {
    top: 35%;
    left: 50%;
    width: 105%;
    transform: translate(-50%, -50%);
  }

  .phone-stage {
    top: auto;
    right: 50%;
    bottom: 32px;
    width: min(57vw, 270px);
    transform: translateX(50%);
  }

  .caption-fragment {
    min-width: 0;
    width: min(42vw, 186px);
    padding: 10px 12px;
  }

  .caption-fragment span {
    font-size: 0.78rem;
  }

  .caption-fragment-source {
    top: 12%;
    left: 6%;
  }

  .caption-fragment-translation {
    top: 23%;
    right: 6%;
    left: auto;
  }

  .art-words {
    display: none;
  }

  .hero-art figcaption {
    grid-template-columns: auto 1fr;
  }

  .figure-meta {
    display: none;
  }

  .section-header::after {
    right: 0;
  }

  .footer-upstream {
    width: 100%;
    margin-left: 0;
  }
}

@media (max-width: 560px) {
  :root {
    --container: calc(100% - 32px);
  }

  .brand-lockup small {
    display: none;
  }

  .header-actions > .lang-toggle {
    display: none;
  }

  .lang-toggle-mobile {
    display: inline-flex;
    align-self: flex-start;
    margin-bottom: 10px;
  }

  .hero h1 {
    font-size: clamp(2.75rem, 14vw, 4.2rem);
  }

  .hero-lead {
    font-size: 1.02rem;
  }

  .hero-cta {
    align-items: stretch;
    flex-direction: column;
  }

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

  .art-frame {
    min-height: 570px;
  }

  .phone-stage {
    width: min(62vw, 238px);
  }

  .phone-shell {
    padding: 7px;
    border-radius: 43px;
  }

  .phone-shell img {
    border-radius: 36px;
  }

  .caption-fragment {
    width: 44vw;
  }

  .hero-art figcaption {
    display: block;
    font-size: 0.58rem;
  }

  .figure-label {
    display: block;
    margin-bottom: 7px;
  }

  .highlight-card {
    padding-inline: 4px;
  }

  .section {
    padding-block: 82px;
  }

  .section-header h2,
  .privacy-heading h2 {
    font-size: clamp(2rem, 10.5vw, 3rem);
  }

  .install-step {
    grid-template-columns: 38px 1fr;
    gap: 14px;
  }

  .step-num {
    width: 34px;
    height: 34px;
  }

  .code-block {
    grid-column: 1 / -1;
    margin-left: -52px;
  }

  .code-block pre {
    padding-right: 20px;
    font-size: 0.67rem;
  }

  .copy-btn {
    position: static;
    margin: 0 0 14px 14px;
  }

  .permissions-card {
    padding-inline: 22px;
  }

  .cta-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .cta-actions .btn {
    width: 100%;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

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

@media print {
  .site-header,
  .skip-link,
  .hero-cta,
  .copy-btn,
  .cta-actions,
  body::before {
    display: none !important;
  }

  body {
    color: #111;
    background: #fff;
  }

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

  .privacy-section,
  .cta-band {
    color: #111;
    background: #fff;
    border-block: 1px solid #bbb;
  }

  .privacy-heading h2,
  .cta-inner h2,
  .check-list li,
  .cta-inner > p:not(.cta-kicker) {
    color: #111;
  }
}