:root {
  --paper: #F4EEE6;
  --card: #FFFCF7;
  --ink: #2E2926;
  --muted: #8B817A;
  --faint: #B0A69D;
  --line: #E7DDD1;
  --line-soft: #F0E9DF;
  --lav: #8C7BB5;
  --lav-deep: #6F5AA8;
  --lav-light: #F1ECF8;
  --clay: #C4745A;
  --clay-deep: #9B4A35;
  --clay-light: #FBEDE8;
  --gold: #B8912F;
  --gold-light: #E9C46A;
  --sage: #7C8B6E;
  --serif: "Songti SC", "STSong", "Noto Serif SC", "SimSun", serif;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --shadow: 0 18px 48px rgba(60, 45, 30, 0.08);
  --shadow-soft: 0 10px 24px rgba(60, 45, 30, 0.045);
  --radius: 10px;
  --max: 1240px;
  --gutter: clamp(20px, 5vw, 64px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background-color: var(--paper);
  background-image:
    radial-gradient(circle at 12% 6%, rgba(140, 123, 181, 0.10), transparent 38%),
    radial-gradient(circle at 92% 2%, rgba(196, 116, 90, 0.07), transparent 34%),
    repeating-linear-gradient(0deg, rgba(46, 41, 38, 0.012) 0 1px, transparent 1px 7px);
}

.page-grain {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.5;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix type='saturate' values='0'/></filter><rect width='160' height='160' filter='url(%23n)' opacity='0.22'/></svg>");
  background-size: 160px 160px;
  mix-blend-mode: multiply;
}

img {
  max-width: 100%;
}

::selection {
  background: var(--lav-light);
  color: var(--ink);
}

a {
  color: inherit;
}

button {
  font: inherit;
}

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

/* ============ Header ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 14px var(--gutter);
  background: rgba(244, 238, 230, 0.86);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(14px);
  transition: border-color 0.25s ease, background 0.25s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(244, 238, 230, 0.94);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  object-fit: cover;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-text strong {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 3px;
}

.brand-text em {
  font-style: normal;
  font-size: 10px;
  letter-spacing: 4px;
  color: var(--muted);
}

.site-nav {
  margin-left: auto;
  display: flex;
  gap: 30px;
}

.site-nav a {
  position: relative;
  padding: 6px 0;
  text-decoration: none;
  font-size: 14px;
  color: var(--muted);
  transition: color 0.2s ease;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--clay);
  transition: width 0.25s ease;
}

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

.site-nav a:hover::after {
  width: 100%;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--ink);
  color: var(--card);
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: 1px;
  text-decoration: none;
  box-shadow: 0 8px 20px rgba(46, 41, 38, 0.18);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.header-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 26px rgba(46, 41, 38, 0.24);
}

.nav-toggle {
  display: none;
  margin-left: auto;
  padding: 9px 16px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  font-size: 13px;
  cursor: pointer;
}

/* ============ Shared ============ */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.28em;
  color: var(--lav-deep);
  text-transform: uppercase;
}

.kicker::before {
  content: "";
  width: 30px;
  height: 1px;
  background: var(--clay);
}

.kicker-light {
  color: var(--gold-light);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-size: 15px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.btn-ink {
  background: var(--ink);
  color: var(--card);
  box-shadow: 0 12px 28px rgba(46, 41, 38, 0.2);
}

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

.btn-ghost:hover {
  background: rgba(255, 252, 247, 0.6);
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(64px, 9vw, 118px) var(--gutter);
  scroll-margin-top: 88px;
  position: relative;
}

.section-head {
  max-width: 660px;
}

.section-head h2 {
  margin: 18px 0 0;
  font-family: var(--serif);
  font-size: clamp(30px, 4.2vw, 48px);
  font-weight: 600;
  line-height: 1.22;
  letter-spacing: 1px;
}

.section-head > p:last-child {
  margin: 18px 0 0;
  max-width: 40em;
  color: var(--muted);
  font-size: 16px;
}

/* reveal */
.js .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ============ Hero ============ */
.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(48px, 7vw, 92px) var(--gutter) clamp(72px, 10vw, 132px);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(36px, 6vw, 76px);
  align-items: center;
}

.hero-copy {
  position: relative;
  animation: riseIn 0.8s ease both;
}

.hero-copy h1 {
  margin: 26px 0 0;
  font-family: var(--serif);
  font-size: clamp(42px, 6.2vw, 72px);
  font-weight: 600;
  line-height: 1.14;
  letter-spacing: 2px;
}

.nowrap {
  white-space: nowrap;
}

.hero-copy h1 em {
  position: relative;
  font-style: normal;
  color: var(--clay);
  white-space: nowrap;
}

.hero-copy h1 em::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 4px;
  height: 10px;
  background: rgba(196, 116, 90, 0.16);
  z-index: -1;
  transform: skewX(-8deg);
}

.hero-lede {
  margin: 26px 0 0;
  max-width: 34em;
  color: var(--muted);
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  margin: 48px 0 0;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.stat dt {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 1px;
}

.stat dd {
  margin: 2px 0 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--faint);
}

/* Hero visual */
.hero-visual {
  position: relative;
  min-height: 640px;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: riseIn 1s 0.12s ease both;
}

.hero-card-back {
  position: absolute;
  width: 262px;
  transform: rotate(-11deg) translate(-118px, 24px);
  opacity: 0.92;
  filter: saturate(0.82);
  transition: transform 0.5s ease;
}

.hero-card-back img {
  display: block;
  border-radius: 10px;
  box-shadow: 0 26px 60px rgba(46, 41, 38, 0.18);
}

.hero-visual:hover .hero-card-back {
  transform: rotate(-8deg) translate(-126px, 16px);
}

.phone {
  position: relative;
  width: 302px;
  height: 610px;
  padding: 10px;
  border-radius: 40px;
  background: #1F1B18;
  box-shadow:
    0 34px 74px rgba(46, 41, 38, 0.28),
    inset 0 0 0 1px rgba(255, 252, 247, 0.18);
  transform: rotate(2deg);
  transition: transform 0.5s ease;
}

.hero-visual:hover .phone {
  transform: rotate(1deg) translateY(-4px);
}

.phone-notch {
  position: absolute;
  top: 10px;
  left: 50%;
  z-index: 3;
  width: 98px;
  height: 22px;
  border-radius: 0 0 14px 14px;
  background: #1F1B18;
  transform: translateX(-50%);
}

.screen {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  height: 100%;
  padding: 32px 14px 62px;
  border-radius: 31px;
  overflow: hidden;
  background-color: var(--paper);
  background-image:
    radial-gradient(circle at 16% 8%, rgba(140, 123, 181, 0.08), transparent 42%),
    repeating-linear-gradient(0deg, rgba(46, 41, 38, 0.014) 0 1px, transparent 1px 7px);
}

.mini-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2px 4px 4px;
}

.mini-brand {
  font-family: var(--serif);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--ink);
}

.mini-tabs {
  display: flex;
  gap: 10px;
  font-size: 9px;
  color: var(--faint);
}

.mini-tabs b {
  color: var(--ink);
  font-weight: 600;
  position: relative;
}

.mini-tabs b::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 1.5px;
  background: var(--clay);
}

.mini-tabs i {
  font-style: normal;
}

.mini-post {
  padding: 12px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 7px;
  box-shadow: 0 8px 18px rgba(60, 45, 30, 0.04);
}

.mini-post header {
  display: flex;
  align-items: center;
  gap: 8px;
}

.mini-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  flex-shrink: 0;
}

.mini-author {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.mini-author b {
  font-size: 10.5px;
  font-weight: 600;
  color: var(--ink);
}

.mini-author small {
  font-size: 8.5px;
  color: var(--faint);
}

.mini-post p {
  margin: 9px 0;
  font-size: 10.5px;
  line-height: 1.7;
  color: var(--ink);
}

.mini-voice {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 10px;
  background: var(--paper);
  border: 1px solid #EAE1D6;
  border-radius: 999px;
}

.mini-play {
  width: 0;
  height: 0;
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  border-left: 6px solid var(--lav);
  flex-shrink: 0;
}

.mini-track {
  flex: 1;
  height: 4px;
  background: #E4DCEF;
  border-radius: 2px;
  overflow: hidden;
}

.mini-track i {
  display: block;
  width: 46%;
  height: 100%;
  background: var(--lav);
  border-radius: 2px;
}

.mini-voice em {
  font-style: normal;
  font-size: 8.5px;
  color: #7A6F68;
}

.mini-post footer {
  display: flex;
  gap: 14px;
  margin-top: 9px;
  padding-top: 8px;
  border-top: 1px solid var(--line-soft);
  font-size: 8.5px;
  color: var(--faint);
}

.mini-tabbar {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: space-around;
  height: 44px;
  background: rgba(255, 252, 247, 0.97);
  border: 1px solid var(--line);
  border-radius: 18px;
  font-size: 9px;
  color: var(--muted);
}

.mini-tabbar .on {
  color: var(--lav);
  font-weight: 600;
}

.mini-add {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  margin-top: -14px;
  background: var(--ink);
  color: var(--card);
  border-radius: 50%;
  font-size: 15px;
  line-height: 1;
}

.floating-identity {
  position: absolute;
  left: -40px;
  bottom: 30px;
  display: flex;
  align-items: center;
  gap: 12px;
  width: 272px;
  padding: 14px 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: var(--shadow);
  transform: rotate(-3deg);
  animation: floatCard 5.2s ease-in-out infinite;
}

.floating-identity > img {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  flex-shrink: 0;
}

.fi-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
  min-width: 0;
}

.fi-copy small {
  font-size: 8px;
  letter-spacing: 0.22em;
  color: var(--faint);
}

.fi-copy strong {
  font-family: var(--serif);
  font-size: 19px;
  letter-spacing: 1px;
  color: var(--ink);
}

.fi-copy span {
  font-size: 10px;
  color: var(--muted);
}

.stamp {
  position: absolute;
  top: -12px;
  right: -10px;
  padding: 3px 8px;
  border: 1px dashed var(--clay);
  border-radius: 4px;
  color: var(--clay-deep);
  background: rgba(255, 252, 247, 0.92);
  font-size: 9px;
  letter-spacing: 2px;
  transform: rotate(5deg);
}

.hero-note {
  position: absolute;
  right: -8px;
  top: 22px;
  margin: 0;
  font-family: "Kaiti SC", "STKaiti", var(--serif);
  font-size: 17px;
  line-height: 1.6;
  color: var(--clay-deep);
  letter-spacing: 1px;
  transform: rotate(4deg);
  opacity: 0.82;
}

.hero-note::after {
  content: "";
  display: block;
  width: 52px;
  height: 26px;
  margin: 2px 0 0 auto;
  border-bottom: 1.5px solid var(--clay);
  border-right: 1.5px solid var(--clay);
  border-radius: 0 0 28px 0;
  transform: rotate(-12deg);
}

/* ============ How ============ */
.how {
  padding-bottom: clamp(96px, 12vw, 150px);
}

.steps {
  list-style: none;
  margin: 58px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.step {
  position: relative;
  padding: 34px 28px 30px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.step:nth-child(2) {
  transform: translateY(30px) rotate(0.4deg);
}

.step:nth-child(3) {
  transform: translateY(60px) rotate(-0.4deg);
}

.step:hover {
  box-shadow: var(--shadow);
}

.step-no {
  font-family: var(--serif);
  font-size: 48px;
  line-height: 1;
  color: rgba(140, 123, 181, 0.34);
}

.step h3 {
  margin: 20px 0 10px;
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 1px;
}

.step p {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.75;
}

.tape {
  position: absolute;
  top: -11px;
  left: 26px;
  width: 68px;
  height: 20px;
  background: rgba(196, 116, 90, 0.16);
  border-left: 1px dashed rgba(196, 116, 90, 0.35);
  border-right: 1px dashed rgba(196, 116, 90, 0.35);
  transform: rotate(-4deg);
}

.step:nth-child(2) .tape {
  background: rgba(140, 123, 181, 0.16);
  border-color: rgba(140, 123, 181, 0.35);
  transform: rotate(3deg);
}

.step:nth-child(3) .tape {
  background: rgba(184, 145, 47, 0.16);
  border-color: rgba(184, 145, 47, 0.35);
}

/* ============ Identity ============ */
.identity-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 430px;
  gap: clamp(40px, 7vw, 96px);
  align-items: center;
}

.identity-copy h2 {
  margin: 18px 0 0;
  font-family: var(--serif);
  font-size: clamp(30px, 4.2vw, 48px);
  font-weight: 600;
  line-height: 1.22;
  letter-spacing: 1px;
}

.identity-copy > p:not(.kicker) {
  margin: 20px 0 0;
  max-width: 38em;
  color: var(--muted);
}

.theme-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.chip {
  padding: 8px 17px;
  background: rgba(255, 252, 247, 0.62);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 13px;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.chip:hover {
  border-color: var(--lav);
  color: var(--ink);
}

.chip.active {
  background: var(--lav-light);
  border-color: var(--lav);
  color: var(--ink);
  font-weight: 600;
}

.identity-notes {
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.identity-notes li {
  position: relative;
  padding-left: 20px;
  color: var(--muted);
  font-size: 13.5px;
}

.identity-notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border: 1px solid var(--clay);
  border-radius: 50%;
}

.identity-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
}

.identity-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 13px;
  width: 344px;
  height: 468px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  overflow: hidden;
  transform-style: preserve-3d;
}

.identity-card::before {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  pointer-events: none;
}

.identity-card.is-flipping {
  animation: cardFlip 0.56s cubic-bezier(0.4, 0.1, 0.2, 1);
}

#identityAvatar {
  width: 132px;
  height: 132px;
  border-radius: 50%;
  margin-bottom: 6px;
}

.id-kicker {
  font-size: 9px;
  letter-spacing: 0.36em;
  color: var(--faint);
  text-transform: uppercase;
}

.id-frame-line {
  width: 34px;
  height: 1px;
  background: var(--clay);
}

#identityName {
  font-family: var(--serif);
  font-size: 42px;
  font-weight: 600;
  letter-spacing: 2px;
  line-height: 1.1;
}

#identityTheme {
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.id-serial {
  position: absolute;
  left: 30px;
  bottom: 28px;
  font-size: 9px;
  letter-spacing: 0.18em;
  color: var(--faint);
}

.id-side {
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%) rotate(90deg);
  transform-origin: center;
  font-size: 8px;
  letter-spacing: 0.5em;
  color: rgba(139, 129, 122, 0.42);
}

.identity-shuffle span {
  font-size: 17px;
  line-height: 1;
}

.identity-hint {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--faint);
}

/* ============ Features ============ */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 20px;
  margin-top: 54px;
}

.feat {
  position: relative;
  grid-column: span 5;
  padding: 30px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.feat:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.feat-lg {
  grid-column: span 7;
  grid-row: span 2;
  display: flex;
  flex-direction: column;
  padding: 34px;
}

.feat-sm {
  grid-column: span 4;
}

.feat-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--lav-light);
  color: var(--lav-deep);
}

.feat:nth-child(3) .feat-icon {
  background: var(--clay-light);
  color: var(--clay-deep);
}

.feat:nth-child(5) .feat-icon,
.feat:nth-child(6) .feat-icon {
  background: rgba(184, 145, 47, 0.12);
  color: var(--gold);
}

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

.feat h3 {
  margin: 18px 0 8px;
  font-family: var(--serif);
  font-size: 23px;
  font-weight: 600;
  letter-spacing: 1px;
}

.feat p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.feat-sm h3 {
  font-size: 19px;
  margin-top: 14px;
}

.feat-sm p {
  font-size: 13px;
}

.compose-demo {
  margin-top: auto;
  padding: 22px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  transform: rotate(-1deg);
  transition: transform 0.4s ease;
}

.feat-lg:hover .compose-demo {
  transform: rotate(0deg);
}

.compose-top {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: var(--faint);
  letter-spacing: 0.12em;
}

.compose-text {
  margin: 18px 0 24px;
  font-family: var(--serif);
  font-size: 21px;
  line-height: 1.75;
  color: var(--ink);
}

.compose-foot {
  display: flex;
  align-items: center;
  gap: 8px;
}

.compose-emoji {
  margin-right: auto;
  font-size: 19px;
  color: var(--muted);
}

.compose-pill {
  padding: 5px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 10.5px;
  color: var(--muted);
  background: var(--card);
}

.compose-pill.active {
  background: var(--lav-light);
  border-color: var(--lav);
  color: var(--ink);
  font-weight: 600;
}

.compose-submit {
  padding: 6px 16px;
  background: var(--ink);
  color: var(--card);
  border-radius: 999px;
  font-size: 10.5px;
}

/* ============ Membership ============ */
.membership .section-head {
  max-width: 700px;
}

.plans {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 50px;
}

.plan {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 34px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.plan::after {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid var(--line-soft);
  border-radius: 9px;
  pointer-events: none;
}

.plan-tycoon {
  border-color: rgba(184, 145, 47, 0.42);
  background:
    linear-gradient(180deg, rgba(233, 196, 106, 0.09), transparent 52%),
    var(--card);
}

.plan-tycoon::after {
  border-color: rgba(184, 145, 47, 0.18);
}

.plan-head {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.plan-kicker {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.24em;
  color: var(--lav-deep);
}

.plan-tycoon .plan-kicker {
  color: var(--gold);
}

.plan-badge {
  padding: 4px 11px;
  background: var(--lav-light);
  border-radius: 999px;
  font-size: 10px;
  color: var(--lav-deep);
}

.plan-tycoon .plan-badge {
  background: rgba(184, 145, 47, 0.14);
  color: var(--gold);
}

.tycoon-visual {
  position: absolute;
  top: 92px;
  right: 36px;
  width: 64px;
  height: 64px;
}

.tycoon-avatar {
  display: block;
  width: 64px;
  height: 64px;
  border-radius: 50%;
}

.tycoon-frame {
  position: absolute;
  top: 0;
  transform: scale(1.3);
  pointer-events: none;
}

.plan-price {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 26px 0 6px;
}

.plan-price b {
  font-family: var(--serif);
  font-size: 52px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 1px;
}

.plan-price span {
  font-size: 12px;
  color: var(--faint);
  letter-spacing: 0.08em;
}

.plan-desc {
  position: relative;
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
  max-width: 24em;
}

.plan-list {
  position: relative;
  margin: 26px 0 30px;
  padding: 22px 0 0;
  list-style: none;
  border-top: 1px dashed var(--line);
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.plan-list li {
  position: relative;
  padding-left: 22px;
  font-size: 13.5px;
  color: var(--ink);
}

.plan-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.64em;
  width: 8px;
  height: 8px;
  border: 1px solid var(--lav);
  border-radius: 50%;
}

.plan-tycoon .plan-list li::before {
  border-color: var(--gold);
}

.plan-btn {
  position: relative;
  margin-top: auto;
  padding: 13px 22px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  text-align: center;
  text-decoration: none;
  font-size: 14px;
  color: var(--ink);
  transition: background 0.2s ease, color 0.2s ease;
}

.plan-btn:hover {
  background: var(--ink);
  color: var(--card);
}

.plan-btn-gold {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--card);
}

.plan-btn-gold:hover {
  background: #A67C25;
  border-color: #A67C25;
  color: var(--card);
}

.plan-note {
  margin: 26px 0 0;
  color: var(--faint);
  font-size: 12.5px;
  letter-spacing: 0.02em;
}

/* ============ FAQ ============ */
.faq-list {
  margin-top: 46px;
  border-top: 1px solid var(--line);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 4px;
  list-style: none;
  cursor: pointer;
  font-family: var(--serif);
  font-size: 20px;
  letter-spacing: 0.5px;
  color: var(--ink);
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  flex-shrink: 0;
  font-family: var(--sans);
  font-size: 24px;
  font-weight: 300;
  color: var(--clay);
  transition: transform 0.25s ease;
}

.faq-list details[open] summary::after {
  content: "−";
  transform: rotate(180deg);
}

.faq-list details p {
  margin: -4px 0 0;
  padding: 0 48px 26px 4px;
  max-width: 62em;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.85;
}

/* ============ Download ============ */
.download-wrap {
  margin: clamp(24px, 4vw, 48px) auto clamp(56px, 8vw, 100px);
  max-width: var(--max);
  padding: 0 var(--gutter);
  scroll-margin-top: 90px;
}

.download {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  gap: clamp(36px, 6vw, 80px);
  align-items: center;
  padding: clamp(46px, 7vw, 84px);
  background: var(--ink);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 30px 70px rgba(46, 41, 38, 0.22);
}

.download::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 88% 8%, rgba(140, 123, 181, 0.22), transparent 42%),
    radial-gradient(circle at 12% 100%, rgba(196, 116, 90, 0.14), transparent 40%);
  pointer-events: none;
}

.download::after {
  content: "";
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(255, 252, 247, 0.12);
  border-radius: 9px;
  pointer-events: none;
}

.download-copy,
.qr-card {
  position: relative;
  z-index: 1;
}

.download-copy h2 {
  margin: 20px 0 0;
  font-family: var(--serif);
  font-size: clamp(32px, 4.4vw, 52px);
  font-weight: 600;
  line-height: 1.24;
  letter-spacing: 1.5px;
  color: var(--card);
}

.download-lede {
  margin: 22px 0 0;
  max-width: 32em;
  color: rgba(255, 252, 247, 0.68);
  font-size: 15px;
  line-height: 1.8;
}

.download-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}

.download-meta li {
  position: relative;
  padding-left: 18px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(255, 252, 247, 0.62);
}

.download-meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.58em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold-light);
}

.qr-card {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.qr-frame {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: min(280px, 80vw);
  height: min(280px, 80vw);
  padding: 18px;
  background: var(--card);
  border: 1px solid rgba(255, 252, 247, 0.35);
  border-radius: 12px;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.28);
  transform: rotate(1.5deg);
  transition: transform 0.35s ease;
}

.qr-card:hover .qr-frame {
  transform: rotate(0deg) scale(1.01);
}

.qr-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 6px;
}

.qr-placeholder {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  position: absolute;
  inset: 18px;
  border: 1px dashed var(--line);
  border-radius: 7px;
  color: var(--muted);
  text-align: center;
}

.qr-frame.is-empty .qr-placeholder {
  display: flex;
}

.qr-frame.is-empty::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  pointer-events: none;
}

.qr-mark {
  font-family: var(--serif);
  font-size: 32px;
  letter-spacing: 6px;
  color: var(--ink);
}

.qr-placeholder p {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
}

.qr-placeholder code {
  font-size: 10px;
  color: var(--faint);
  background: var(--paper);
  padding: 3px 8px;
  border-radius: 4px;
}

.qr-card figcaption {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: rgba(255, 252, 247, 0.6);
}

/* ============ Footer ============ */
.site-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 40px var(--gutter) 56px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 26px 40px;
  align-items: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.footer-brand img {
  width: 42px;
  height: 42px;
  border-radius: 9px;
  border: 1px solid var(--line);
}

.footer-brand strong {
  font-family: var(--serif);
  font-size: 18px;
  letter-spacing: 2px;
}

.footer-brand p {
  margin: 2px 0 0;
  font-size: 12px;
  color: var(--faint);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}

.footer-nav a {
  font-size: 12.5px;
  color: var(--muted);
  text-decoration: none;
}

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

.footer-copy {
  grid-column: 1 / -1;
  margin: 8px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--line-soft);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--faint);
}

/* ============ Animations ============ */
@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes floatCard {
  0%, 100% {
    transform: rotate(-3deg) translateY(0);
  }
  50% {
    transform: rotate(-2deg) translateY(-8px);
  }
}

@keyframes cardFlip {
  0% {
    transform: perspective(1000px) rotateY(0);
  }
  45% {
    transform: perspective(1000px) rotateY(88deg);
  }
  55% {
    transform: perspective(1000px) rotateY(-88deg);
  }
  100% {
    transform: perspective(1000px) rotateY(0);
  }
}

/* ============ Responsive ============ */
@media (max-width: 1080px) {
  .hero-visual {
    min-height: 600px;
  }

  .hero-note {
    display: none;
  }

  .floating-identity {
    left: -20px;
  }

  .identity-section {
    grid-template-columns: minmax(0, 1fr) 380px;
  }

  .tycoon-visual {
    top: 74px;
  }
}

@media (max-width: 920px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 56px;
  }

  .hero-copy {
    max-width: 680px;
  }

  .hero-visual {
    min-height: 660px;
    margin-top: 12px;
  }

  .identity-section {
    grid-template-columns: 1fr;
    gap: 54px;
  }

  .identity-stage {
    order: 2;
  }

  .identity-card {
    width: 320px;
    height: 440px;
  }

  .steps {
    gap: 18px;
  }

  .step {
    padding: 30px 22px 26px;
  }

  .step:nth-child(2) {
    transform: translateY(20px);
  }

  .step:nth-child(3) {
    transform: translateY(40px);
  }

  .feat-lg {
    grid-column: span 12;
    grid-row: auto;
  }

  .feat {
    grid-column: span 6;
  }

  .feat-sm {
    grid-column: span 6;
  }

  .download {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .qr-card {
    justify-self: center;
  }
}

@media (max-width: 820px) {
  .site-header {
    gap: 16px;
  }

  .site-nav {
    position: fixed;
    top: 72px;
    left: 16px;
    right: 16px;
    z-index: 60;
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 14px;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 10px 12px;
    border-radius: 7px;
    font-size: 15px;
  }

  .site-nav a:hover {
    background: var(--paper);
  }

  .site-nav a::after {
    display: none;
  }

  .header-cta {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .plan-price b {
    font-size: 40px;
  }
}

@media (max-width: 720px) {
  .steps {
    grid-template-columns: 1fr;
    margin-top: 42px;
  }

  .step:nth-child(2),
  .step:nth-child(3) {
    transform: none;
  }

  .how {
    padding-bottom: clamp(64px, 9vw, 118px);
  }

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

  .plan {
    padding: 30px 26px;
  }

  .site-footer {
    grid-template-columns: 1fr;
  }

  .footer-nav {
    order: 2;
  }

  .download-meta {
    gap: 10px 20px;
  }

  .tycoon-visual {
    right: 26px;
  }

  .plan-price b {
    font-size: 48px;
  }
}

@media (max-width: 600px) {
  .hero {
    padding-bottom: 64px;
  }

  .hero-stats {
    gap: 24px;
  }

  .stat dt {
    font-size: 24px;
  }

  .hero-visual {
    min-height: 590px;
  }

  .hero-card-back {
    width: 196px;
    transform: rotate(-12deg) translate(-88px, 34px);
  }

  .hero-visual:hover .hero-card-back {
    transform: rotate(-10deg) translate(-92px, 30px);
  }

  .phone {
    width: 268px;
    height: 542px;
    border-radius: 36px;
  }

  .screen {
    padding: 30px 12px 58px;
    border-radius: 28px;
    gap: 10px;
  }

  .floating-identity {
    width: 226px;
    left: -8px;
    bottom: 16px;
    padding: 12px 14px;
    gap: 10px;
  }

  .floating-identity > img {
    width: 46px;
    height: 46px;
  }

  .fi-copy strong {
    font-size: 17px;
  }

  .feat {
    grid-column: span 12;
  }

  .feat-sm {
    grid-column: span 12;
  }

  .identity-card {
    width: 300px;
    height: 420px;
  }

  #identityAvatar {
    width: 116px;
    height: 116px;
  }

  #identityName {
    font-size: 36px;
  }

  .compose-text {
    font-size: 18px;
  }

  .download {
    padding: 40px 24px 48px;
    border-radius: 12px;
  }

  .download::after {
    inset: 12px;
  }

  .faq-list summary {
    font-size: 17px;
    padding: 20px 2px;
  }

  .faq-list details p {
    padding-right: 12px;
  }
}

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

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

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