:root {
  --ink: #241F1B;
  --ink-soft: #4E4841;
  --sienna: #A86850;
  --sienna-dark: #7F4637;
  --seal: #D9463F;
  --paper: #F5F1E8;
  --paper-warm: #FFF8F0;
  --rice: #ECE4D6;
  --line: #DED2C1;
  --muted: #746B62;
  --shadow: 0 30px 80px rgba(91, 67, 48, 0.22);
  --max-width: 1180px;
}

* { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
               "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(168, 104, 80, 0.05) 1px, transparent 1px),
    linear-gradient(180deg, rgba(168, 104, 80, 0.04) 1px, transparent 1px),
    var(--paper);
  background-size: 64px 64px;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 18% 12%, rgba(255, 248, 240, 0.72), transparent 28%),
    radial-gradient(circle at 82% 18%, rgba(168, 104, 80, 0.12), transparent 32%),
    linear-gradient(180deg, rgba(255, 248, 240, 0.58), rgba(245, 241, 232, 0));
  z-index: -1;
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

header.site {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(222, 210, 193, 0.74);
  background: rgba(245, 241, 232, 0.82);
  backdrop-filter: blur(18px);
}

header.site .inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 14px 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

header.site .brand {
  font-weight: 700;
  font-size: 19px;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0;
  white-space: nowrap;
}

header.site nav {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-left: auto;
}

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

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

.locale-switcher {
  position: relative;
  flex: 0 0 auto;
}

.locale-trigger {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(255, 248, 240, 0.7);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 7px 10px;
  font-size: 13px;
  color: var(--muted);
  cursor: pointer;
  font-family: inherit;
  line-height: 1.2;
  min-height: 34px;
  white-space: nowrap;
}

.locale-trigger:hover,
.locale-trigger[aria-expanded="true"] {
  color: var(--ink);
  border-color: #B9AEA1;
  background: rgba(255, 248, 240, 0.95);
}

.locale-icon {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.locale-caret {
  font-size: 14px;
  line-height: 1;
}

.locale-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 30;
  min-width: 136px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper-warm);
  box-shadow: 0 14px 32px rgba(46, 64, 87, 0.14);
}

.locale-menu button {
  display: block;
  width: 100%;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  line-height: 1.2;
  padding: 9px 10px;
  text-align: left;
}

.locale-menu button:hover,
.locale-menu button.active {
  background: var(--ink);
  color: var(--paper);
}

.locale { display: none; }
.locale.active { display: block; }

.hero {
  min-height: calc(100vh - 64px);
  max-width: 1440px;
  margin: 0 auto;
  padding: clamp(54px, 7vw, 96px) clamp(22px, 5vw, 72px) 54px;
  display: grid;
  grid-template-columns: minmax(320px, 0.92fr) minmax(420px, 1.08fr);
  align-items: center;
  gap: clamp(28px, 5vw, 82px);
  overflow: hidden;
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.eyebrow,
.kicker {
  margin: 0 0 18px;
  color: var(--sienna);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  max-width: 760px;
  color: var(--ink);
  font-size: clamp(64px, 9vw, 132px);
  line-height: 0.94;
  letter-spacing: 0;
}

.hero-title {
  display: grid;
  gap: 8px;
}

.hero-title span {
  display: block;
}

.hero-title span:first-child {
  text-align: left;
}

.hero-title span:last-child {
  font-size: 0.72em;
  line-height: 1.02;
  text-align: right;
}

.hero .tagline {
  max-width: 600px;
  margin: 26px 0 0;
  color: var(--ink-soft);
  font-size: clamp(21px, 2.4vw, 32px);
  line-height: 1.34;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 34px;
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: 999px;
  background: var(--ink);
  color: white;
  padding: 13px 24px;
  text-decoration: none;
  font-weight: 700;
  box-shadow: 0 16px 36px rgba(36, 31, 27, 0.18);
  transition: transform 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.cta:hover {
  transform: translateY(-2px);
  background: var(--sienna-dark);
  box-shadow: 0 20px 42px rgba(127, 70, 55, 0.24);
}

.ghost-link {
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

.ghost-link:hover { color: var(--sienna-dark); }

.hero-stage {
  position: relative;
  min-height: 590px;
  display: grid;
  place-items: center;
}

.hero-art {
  --hero-art-x: 0;
  --hero-art-rotate: 0.8deg;
  position: absolute;
  right: 0;
  width: min(470px, 100%);
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border: 1px solid rgba(168, 104, 80, 0.24);
  border-radius: 8px;
  background:
    radial-gradient(circle at 70% 30%, rgba(255, 248, 240, 0.74), rgba(255, 248, 240, 0) 28%),
    linear-gradient(135deg, rgba(168, 104, 80, 0.08), rgba(255, 248, 240, 0.78) 38%, rgba(236, 228, 214, 0.72)),
    var(--paper-warm);
  box-shadow: var(--shadow);
  transform: translateX(var(--hero-art-x)) rotate(var(--hero-art-rotate));
  animation: float-main 7s ease-in-out infinite;
}

.hero-word-field {
  isolation: isolate;
}

.hero-word-field::before,
.hero-art::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-word-field::before {
  background:
    repeating-linear-gradient(90deg, rgba(168, 104, 80, 0.05) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, rgba(168, 104, 80, 0.035) 0 1px, transparent 1px 72px);
  opacity: 0.72;
  z-index: 0;
}

.hero-ink-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.74;
  mix-blend-mode: multiply;
  pointer-events: none;
}

.hero-art::after {
  background:
    radial-gradient(circle at 52% 58%, rgba(217, 70, 63, 0.14), rgba(217, 70, 63, 0) 26%),
    radial-gradient(circle at 44% 68%, rgba(36, 31, 27, 0.16), rgba(36, 31, 27, 0) 34%),
    linear-gradient(180deg, rgba(245, 241, 232, 0), rgba(245, 241, 232, 0.42));
  mix-blend-mode: multiply;
  z-index: 2;
}

.word-cloud,
.hero-art-caption {
  position: absolute;
  z-index: 3;
  pointer-events: none;
}

.word-cloud {
  inset: 0;
}

.word {
  position: absolute;
  color: rgba(36, 31, 27, 0.68);
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
  font-weight: 800;
  line-height: 1;
  white-space: nowrap;
  text-shadow: 0 16px 28px rgba(255, 248, 240, 0.72);
  transform: rotate(var(--word-rotate, 0deg));
}

.word-lg {
  font-size: clamp(31px, 3.4vw, 48px);
}

.word-md {
  font-size: clamp(24px, 2.7vw, 36px);
}

.word-sm {
  font-size: clamp(17px, 1.8vw, 24px);
}

.word-idiom {
  left: 11%;
  top: 7%;
  writing-mode: vertical-rl;
  color: rgba(168, 104, 80, 0.76);
  --word-rotate: 2deg;
}

.word-calligraphy {
  left: 13%;
  top: 31%;
}

.word-oracle {
  left: 39%;
  top: 11%;
  color: rgba(36, 31, 27, 0.52);
  --word-rotate: -3deg;
}

.word-copybook {
  right: 25%;
  top: 31%;
  color: rgba(168, 104, 80, 0.58);
}

.word-flow {
  left: 21%;
  top: 38%;
  color: rgba(36, 31, 27, 0.7);
  --word-rotate: -1deg;
}

.word-paper {
  right: 31%;
  top: 42%;
  writing-mode: vertical-rl;
  color: rgba(36, 31, 27, 0.5);
  --word-rotate: -2deg;
}

.word-landscape {
  right: 6%;
  top: 47%;
  writing-mode: vertical-rl;
  color: rgba(168, 104, 80, 0.66);
  --word-rotate: 2deg;
}

.word-city {
  left: 10%;
  top: 58%;
  color: rgba(36, 31, 27, 0.48);
  --word-rotate: -4deg;
}

.word-poem {
  left: 28%;
  bottom: 22%;
  writing-mode: vertical-rl;
  color: rgba(36, 31, 27, 0.42);
}

.word-season {
  left: 9%;
  bottom: 20%;
  color: rgba(168, 104, 80, 0.72);
  --word-rotate: -3deg;
}

.word-grain {
  left: 43%;
  bottom: 20%;
  color: rgba(36, 31, 27, 0.42);
  --word-rotate: 2deg;
}

.word-brush {
  right: 6%;
  bottom: 8%;
  color: rgba(217, 70, 63, 0.6);
  --word-rotate: -2deg;
}

.word-open {
  right: 8%;
  top: 11%;
  color: rgba(36, 31, 27, 0.62);
  --word-rotate: 2deg;
}

.word-book {
  left: 53%;
  top: 25%;
  color: rgba(168, 104, 80, 0.62);
  --word-rotate: 3deg;
}

.word-sail {
  right: 21%;
  top: 25%;
  writing-mode: vertical-rl;
  color: rgba(36, 31, 27, 0.54);
  --word-rotate: -2deg;
}

.word-poetry {
  left: 13%;
  bottom: 21%;
  color: rgba(168, 104, 80, 0.6);
  --word-rotate: -3deg;
}

.word-picture {
  left: 30%;
  bottom: 20%;
  color: rgba(36, 31, 27, 0.54);
  --word-rotate: 2deg;
}

.word-bronze {
  right: 30%;
  bottom: 30%;
  color: rgba(36, 31, 27, 0.42);
  --word-rotate: -4deg;
}

.hero-pen {
  position: absolute;
  z-index: 4;
  width: 40%;
  height: auto;
  pointer-events: none;
  filter: drop-shadow(0 26px 24px rgba(91, 67, 48, 0.2));
}

.fountain-pen {
  left: 7%;
  bottom: 14%;
  width: 34%;
  transform: rotate(-22deg);
}

.hero-art-caption {
  left: 24px;
  bottom: 24px;
  display: none;
  gap: 6px;
  color: var(--ink);
}

.hero-art-caption b {
  font-size: 18px;
}

.hero-art-caption span {
  color: var(--sienna-dark);
  font-size: 13px;
  font-weight: 800;
}

.phone {
  position: absolute;
  overflow: hidden;
  border: 1px solid rgba(168, 104, 80, 0.32);
  border-radius: 44px;
  background: var(--paper-warm);
  box-shadow: var(--shadow);
}

.phone img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.phone-large {
  right: 15%;
  top: 0;
  width: min(42vw, 390px);
  aspect-ratio: 946 / 2048;
  transform: rotate(-2deg);
  animation: float-main 7s ease-in-out infinite;
}

.phone-small {
  width: min(28vw, 250px);
  aspect-ratio: 946 / 2048;
  opacity: 0.94;
}

.phone-left {
  left: 0;
  top: 115px;
  transform: rotate(-12deg) translateZ(-120px);
  animation: float-left 8s ease-in-out infinite;
}

.phone-right {
  right: 0;
  top: 175px;
  transform: rotate(11deg) translateZ(-80px);
  animation: float-right 8.5s ease-in-out infinite;
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 18px 26px 120px;
}

.product-story {
  animation: rise-in 600ms ease both;
}

.statement {
  max-width: 980px;
  margin: 70px auto 96px;
  text-align: center;
}

.statement h2,
.demo-copy h2,
.split-scene h2,
.download-band h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(40px, 6vw, 78px);
  line-height: 1.04;
  letter-spacing: 0;
}

.statement p:not(.kicker),
.split-scene p:not(.kicker),
.download-band p:not(.kicker) {
  max-width: 760px;
  margin: 22px auto 0;
  color: var(--muted);
  font-size: 20px;
}

.demo-panel {
  min-height: 760px;
  display: grid;
  grid-template-columns: minmax(300px, 0.88fr) minmax(360px, 0.78fr);
  align-items: center;
  gap: clamp(30px, 7vw, 92px);
  padding: clamp(32px, 5vw, 76px);
  border-block: 1px solid rgba(222, 210, 193, 0.8);
}

.demo-copy p[data-demo-copy] {
  max-width: 530px;
  color: var(--muted);
  font-size: 21px;
  margin: 22px 0 0;
}

.demo-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.demo-tabs button {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 248, 240, 0.62);
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  padding: 11px 16px;
  transition: transform 160ms ease, color 160ms ease, border-color 160ms ease, background 160ms ease;
}

.demo-tabs button:hover {
  transform: translateY(-1px);
  color: var(--ink);
}

.demo-tabs button.active {
  border-color: transparent;
  background: var(--ink);
  color: white;
}

.showcase-phone {
  justify-self: center;
  width: min(390px, 80vw);
  aspect-ratio: 946 / 2048;
  overflow: hidden;
  border: 1px solid rgba(168, 104, 80, 0.36);
  border-radius: 46px;
  background: var(--paper-warm);
  box-shadow: var(--shadow);
}

.showcase-phone img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 180ms ease, transform 240ms ease;
}

.showcase-phone img.is-changing {
  opacity: 0;
  transform: scale(0.985);
}

.feature-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 110px 0;
  border: 1px solid var(--line);
  background: var(--line);
}

.feature-strip article {
  min-height: 270px;
  padding: 34px;
  background: rgba(255, 248, 240, 0.72);
}

.feature-strip span {
  display: block;
  color: var(--sienna);
  font-size: clamp(44px, 5vw, 72px);
  font-weight: 800;
  line-height: 1;
}

.feature-strip h3 {
  margin: 20px 0 10px;
  font-size: 25px;
  line-height: 1.16;
}

.feature-strip p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

.split-scene {
  display: grid;
  grid-template-columns: minmax(320px, 0.95fr) minmax(320px, 0.78fr);
  align-items: center;
  gap: clamp(34px, 6vw, 90px);
  margin: 96px 0 120px;
}

.split-scene p:not(.kicker) {
  margin-left: 0;
  margin-right: 0;
}

.ink-card {
  position: relative;
  min-height: 520px;
  padding: 34px;
  border: 1px solid rgba(168, 104, 80, 0.28);
  background:
    linear-gradient(45deg, transparent 49.4%, rgba(168, 104, 80, 0.12) 49.5%, rgba(168, 104, 80, 0.12) 50.5%, transparent 50.6%),
    linear-gradient(-45deg, transparent 49.4%, rgba(168, 104, 80, 0.12) 49.5%, rgba(168, 104, 80, 0.12) 50.5%, transparent 50.6%),
    rgba(255, 248, 240, 0.74);
  background-size: 100% 100%, 100% 100%, auto;
  box-shadow: var(--shadow);
}

.ink-card::before,
.ink-card::after {
  content: "";
  position: absolute;
  background: rgba(168, 104, 80, 0.16);
}

.ink-card::before {
  left: 50%;
  top: 22px;
  bottom: 22px;
  width: 1px;
}

.ink-card::after {
  top: 50%;
  left: 22px;
  right: 22px;
  height: 1px;
}

.phrase {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: center;
  gap: 12px;
  color: var(--muted);
  font-size: 24px;
}

.phrase span { color: var(--sienna); }

.grid-char {
  position: relative;
  z-index: 2;
  margin-top: 56px;
  text-align: center;
  color: var(--sienna);
  font-family: "Times New Roman", "Songti SC", serif;
  font-size: clamp(180px, 21vw, 310px);
  line-height: 1;
  text-shadow: 0 10px 20px rgba(168, 104, 80, 0.12);
}

.score-line {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 40px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
  color: var(--muted);
}

.score-line strong {
  color: var(--seal);
  font-size: 28px;
}

.micro-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.micro-steps span {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 248, 240, 0.64);
  color: var(--sienna-dark);
  font-weight: 700;
  padding: 9px 14px;
}

.culture-section,
.brush-section,
.badge-section,
.copywork-section {
  margin: 110px 0;
}

.section-head {
  max-width: 900px;
  margin: 0 auto 42px;
  text-align: center;
}

.section-head.compact {
  max-width: 760px;
}

.stagger-title {
  display: grid;
  gap: 2px;
  max-width: min(100%, 9.2em);
}

.stagger-title span {
  display: block;
}

.stagger-title span:first-child {
  text-align: left;
}

.stagger-title span:last-child {
  text-align: right;
}

.section-head h2,
.copywork-section h2,
.badge-section h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(38px, 5.5vw, 72px);
  line-height: 1.05;
  letter-spacing: 0;
}

.section-head p:not(.kicker),
.copywork-section p,
.badge-section p {
  max-width: 760px;
  margin: 20px auto 0;
  color: var(--muted);
  font-size: 19px;
}

.theme-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.theme-grid article {
  min-height: 250px;
  padding: 28px;
  background: rgba(255, 248, 240, 0.7);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.theme-grid span {
  color: var(--sienna);
  font-size: 13px;
  font-weight: 800;
}

.theme-grid strong {
  display: block;
  font-size: 35px;
  line-height: 1.15;
  font-family: "Songti SC", "STSong", serif;
}

.theme-grid p {
  margin: 0;
  color: var(--muted);
}

.copywork-section {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(360px, 0.78fr);
  align-items: center;
  gap: clamp(36px, 6vw, 82px);
}

.copywork-section p {
  margin-left: 0;
  margin-right: 0;
}

.plain-list {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.plain-list li {
  position: relative;
  padding-left: 20px;
  color: var(--ink-soft);
  font-weight: 700;
}

.plain-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--sienna);
}

.poem-art {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(168, 104, 80, 0.28);
  background: var(--paper-warm);
  box-shadow: var(--shadow);
}

.poem-art img {
  width: 100%;
  min-height: 640px;
  object-fit: cover;
}

.poem-art figcaption {
  position: absolute;
  inset: 9% 10% 9% 11%;
  display: flex;
  flex-direction: row-reverse;
  align-items: flex-start;
  justify-content: center;
  gap: clamp(14px, 2.6vw, 30px);
  color: var(--ink);
  pointer-events: none;
}

.poem-art figcaption span,
.poem-art figcaption small,
.poem-art figcaption b {
  display: block;
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
  letter-spacing: 0;
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

.poem-art figcaption span {
  font-size: clamp(30px, 3.4vw, 48px);
  font-weight: 800;
  line-height: 1.1;
}

.poem-art figcaption small {
  margin-top: 28px;
  color: var(--ink-soft);
  font-size: clamp(21px, 2.2vw, 30px);
  font-weight: 700;
}

.poem-art figcaption b {
  padding-top: 88px;
  font-size: clamp(26px, 2.9vw, 38px);
  font-weight: 800;
  line-height: 1.18;
}

.brush-rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(220px, 26%);
  gap: 16px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  padding: 6px 4px 22px;
}

.brush-rail article {
  min-height: 310px;
  scroll-snap-align: start;
  border: 1px solid var(--line);
  background: rgba(255, 248, 240, 0.72);
  padding: 24px;
}

.brush-rail img {
  width: 130px;
  height: 130px;
  object-fit: contain;
  margin: 0 auto 18px;
  filter: drop-shadow(0 16px 16px rgba(91, 67, 48, 0.18));
}

.brush-rail h3 {
  margin: 0 0 8px;
  font-size: 24px;
}

.brush-rail p {
  margin: 0;
  color: var(--muted);
}

.badge-section {
  display: grid;
  grid-template-columns: minmax(320px, 0.86fr) minmax(360px, 0.92fr);
  align-items: center;
  gap: clamp(34px, 6vw, 82px);
}

.badge-section p {
  margin-left: 0;
  margin-right: 0;
}

.seal-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(96px, 1fr));
  gap: 18px;
}

.seal-grid span {
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 3px solid var(--seal);
  color: var(--seal);
  background: rgba(217, 70, 63, 0.04);
  font-family: "Songti SC", "STSong", serif;
  font-size: clamp(26px, 4vw, 42px);
  font-weight: 900;
  line-height: 1.05;
  text-align: center;
  box-shadow: inset 0 0 0 1px rgba(217, 70, 63, 0.28), 0 16px 36px rgba(91, 67, 48, 0.12);
  transform: rotate(-2deg);
}

.seal-grid span:nth-child(2n) {
  transform: rotate(2deg);
}

.download-band {
  margin: 40px 0 0;
  padding: clamp(28px, 5vw, 56px);
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(255, 248, 240, 0.96), rgba(255, 255, 255, 0.82)),
    radial-gradient(circle at 12% 0%, rgba(217, 70, 63, 0.1), transparent 36%),
    var(--paper-warm);
  border: 1px solid rgba(168, 104, 80, 0.22);
  box-shadow: 0 28px 70px rgba(91, 67, 48, 0.12);
}

.download-band .kicker,
.download-band p { color: var(--muted); }

.download-band p:not(.kicker) {
  margin-bottom: 0;
}

.download-intro {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: clamp(18px, 4vw, 34px);
  max-width: 860px;
  margin: 0 auto;
  text-align: left;
}

.app-icon-large {
  width: clamp(108px, 12vw, 148px);
  aspect-ratio: 1;
  display: block;
  object-fit: cover;
  border-radius: 27%;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.78),
    0 18px 34px rgba(91, 67, 48, 0.18);
}

.download-copy {
  min-width: 0;
}

.download-copy h2 {
  margin-bottom: 18px;
}

.platform-grid {
  max-width: 560px;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(160px, 1fr));
  gap: 12px;
}

.platform-card {
  min-height: 74px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.platform-card.available:hover {
  transform: translateY(-2px);
  background: #FFFFFF;
  border-color: rgba(168, 104, 80, 0.48);
}

.platform-card.upcoming {
  color: var(--muted);
  background: rgba(245, 241, 232, 0.68);
}

.platform-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--ink);
  color: var(--paper-warm);
  font-size: 24px;
  font-weight: 800;
  line-height: 1;
}

.platform-card.upcoming .platform-icon {
  background: rgba(116, 107, 98, 0.16);
  color: var(--muted);
}

.platform-card b,
.platform-card small {
  display: block;
  letter-spacing: 0;
}

.platform-card b {
  font-size: 19px;
  line-height: 1.15;
}

.platform-card small {
  margin-top: 4px;
  color: inherit;
  font-size: 13px;
  line-height: 1.25;
}

footer.site {
  text-align: center;
  padding: 32px 16px;
  color: var(--muted);
  font-size: 13px;
  border-top: 1px solid var(--line);
  background: rgba(236, 228, 214, 0.48);
}

footer.site a { color: var(--muted); }

.filing-records {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 8px;
}

@keyframes float-main {
  0%, 100% { transform: translateX(var(--hero-art-x, 0)) translateY(0) rotate(var(--hero-art-rotate, 0.8deg)); }
  50% { transform: translateX(var(--hero-art-x, 0)) translateY(-18px) rotate(0.5deg); }
}

@keyframes float-left {
  0%, 100% { transform: translateY(0) rotate(-12deg) translateZ(-120px); }
  50% { transform: translateY(16px) rotate(-10deg) translateZ(-120px); }
}

@keyframes float-right {
  0%, 100% { transform: translateY(0) rotate(11deg) translateZ(-80px); }
  50% { transform: translateY(-14px) rotate(9deg) translateZ(-80px); }
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }
}

@media (max-width: 980px) {
  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-top: 54px;
  }

  .hero-stage {
    min-height: 500px;
    max-width: 680px;
    width: 100%;
    margin: 0 auto;
  }

  .hero-art {
    --hero-art-x: -50%;
    --hero-art-rotate: 1deg;
    left: 50%;
    right: auto;
    width: min(470px, 88vw);
  }

  .demo-panel,
  .split-scene,
  .copywork-section,
  .badge-section {
    grid-template-columns: 1fr;
  }

  .demo-panel {
    min-height: auto;
    padding-inline: 0;
  }

  .showcase-phone {
    width: min(360px, 88vw);
  }

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

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

  .brush-rail {
    grid-auto-columns: minmax(210px, 42%);
  }

  .feature-strip article {
    min-height: 210px;
  }
}

@media (max-width: 640px) {
  header.site .inner {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 12px;
    padding: 13px 18px;
  }

  header.site .brand {
    min-width: 0;
    font-size: 18px;
  }

  header.site nav {
    display: none;
  }

  .locale-trigger {
    padding: 7px 9px;
  }

  .locale-current {
    max-width: 64px;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .hero {
    padding: 38px 20px 24px;
  }

  .hero h1 {
    font-size: clamp(54px, 18vw, 86px);
  }

  .hero .tagline {
    font-size: 20px;
  }

  .hero-stage {
    min-height: 440px;
  }

  .hero-art {
    width: min(340px, 88vw);
  }

  .hero-art-caption {
    display: none;
  }

  .word-lg {
    font-size: 30px;
  }

  .word-md {
    font-size: 24px;
  }

  .word-sm {
    font-size: 18px;
  }

  .word-oracle,
  .word-paper,
  .word-poem,
  .word-grain,
  .word-book,
  .word-bronze,
  .word-poetry,
  .word-picture {
    display: none;
  }

  .word-idiom {
    left: 8%;
    top: 7%;
  }

  .word-flow {
    left: 14%;
    top: 39%;
  }

  .word-landscape {
    right: 7%;
    top: 45%;
  }

  .word-city {
    left: 10%;
    top: 58%;
  }

  .word-season {
    left: 8%;
    bottom: 15%;
  }

  .word-brush {
    right: 9%;
    bottom: 10%;
  }

  .word-open {
    right: 8%;
    top: 10%;
  }

  .word-sail {
    right: 19%;
    top: 24%;
  }

  .word-oracle {
    display: block;
    left: 34%;
    top: 17%;
  }

  .word-paper {
    display: block;
    right: 34%;
    top: 51%;
  }

  .word-bronze {
    display: block;
    right: 34%;
    bottom: 29%;
  }

  .fountain-pen {
    left: 5%;
    bottom: 10%;
    width: 36%;
  }

  main {
    padding: 12px 20px 80px;
  }

  .statement {
    margin: 48px auto 70px;
    text-align: left;
  }

  .statement h2,
  .demo-copy h2,
  .split-scene h2,
  .download-band h2 {
    font-size: 38px;
  }

  .statement p:not(.kicker),
  .split-scene p:not(.kicker),
  .download-band p:not(.kicker),
  .demo-copy p[data-demo-copy] {
    font-size: 18px;
  }

  .feature-strip {
    margin: 72px 0;
  }

  .feature-strip article {
    padding: 28px;
  }

  .split-scene {
    margin: 72px 0 84px;
  }

  .culture-section,
  .brush-section,
  .badge-section,
  .copywork-section {
    margin: 76px 0;
  }

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

  .theme-grid article {
    min-height: 190px;
  }

  .copywork-section {
    gap: 30px;
  }

  .poem-art img {
    min-height: 520px;
  }

  .poem-art figcaption {
    inset: 9% 8% 10% 9%;
    gap: 9px;
  }

  .poem-art figcaption span {
    font-size: 28px;
  }

  .poem-art figcaption small {
    font-size: 19px;
    margin-top: 22px;
  }

  .poem-art figcaption b {
    padding-top: 72px;
    font-size: 22px;
  }

  .brush-rail {
    grid-auto-columns: minmax(190px, 74%);
    margin-inline: -20px;
    padding-inline: 20px;
  }

  .seal-grid {
    grid-template-columns: repeat(2, minmax(112px, 1fr));
    gap: 14px;
  }

  .ink-card {
    min-height: 400px;
    padding: 24px;
  }

  .grid-char {
    margin-top: 38px;
  }

  .download-band {
    margin-top: 20px;
    padding: 42px 24px;
  }

  .download-intro {
    grid-template-columns: auto minmax(0, 1fr);
    justify-items: start;
    gap: 16px;
  }

  .app-icon-large {
    width: 86px;
  }

  .platform-grid {
    grid-template-columns: 1fr;
    max-width: none;
  }

  .platform-card {
    min-height: 70px;
    padding: 12px;
  }

  .platform-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    font-size: 21px;
  }

  .platform-card b {
    font-size: 17px;
  }

  .platform-card small {
    font-size: 12px;
  }
}