/* =========================================================
   苏苏洛桌宠 — independent site identity
   Bone paper / night desktop / clinical red / character blue
   ========================================================= */

:root {
  --bone: #f1ede4;
  --paper: #f7f3ea;
  --bone-deep: #e3ddd0;
  --ink: #121514;
  --ink-soft: #202622;
  --night: #151a18;
  --night-2: #1c2420;
  --muted: #5c635c;
  --muted-light: #9ba49b;
  --red: #dd432b;
  --red-deep: #b82d1c;
  --blue: #68aec8;
  --blue-wash: #c9dfe2;
  --line: rgba(18, 21, 20, .17);
  --line-light: rgba(241, 237, 228, .18);
  --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
  --serif: "Songti SC", "STSong", "Noto Serif CJK SC", "Source Han Serif SC", "SimSun", serif;
  --mono: "Cascadia Mono", "SFMono-Regular", "Consolas", "Liberation Mono", monospace;
  --display: "Arial Narrow", "Bahnschrift Condensed", "Impact", "Haettenschweiler", sans-serif;
  --ease: cubic-bezier(.2, .75, .25, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  background: var(--bone);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

body.nav-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
::selection { background: var(--red); color: var(--paper); }

:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 4px;
}

.skip-link {
  position: fixed; left: 16px; top: -80px; z-index: 500;
  background: var(--paper); color: var(--ink);
  padding: 10px 16px; font: 700 13px/1 var(--mono);
  border: 1px solid var(--ink);
}
.skip-link:focus { top: 12px; }

.scroll-progress {
  position: fixed; inset: 0 0 auto; height: 3px; z-index: 450;
  pointer-events: none;
}
.scroll-progress span {
  display: block; width: 0; height: 100%; background: var(--red);
}

.shell {
  width: min(1360px, calc(100% - 88px));
  margin-inline: auto;
}

/* ---------- Header ---------- */

.site-header {
  position: fixed; inset: 0 0 auto; z-index: 300;
  display: flex; align-items: center; gap: 36px;
  height: 80px; padding: 0 44px;
  color: var(--bone);
  border-bottom: 1px solid transparent;
  transition: background .35s var(--ease), border-color .35s var(--ease), height .35s var(--ease);
}
.site-header.is-scrolled {
  height: 68px;
  background: rgba(18, 21, 20, .92);
  border-color: rgba(241, 237, 228, .14);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}
.brand {
  display: inline-flex; align-items: center; gap: 12px;
  flex: 0 0 auto;
}
.brand-mark {
  display: grid; place-items: center;
  width: 31px; height: 31px;
  color: var(--red);
}
.brand-mark svg { width: 100%; height: 100%; }
.brand-type { display: grid; gap: 0; line-height: 1; }
.brand-cn { font-size: 14px; font-weight: 800; letter-spacing: .08em; }
.brand-en { margin-top: 5px; font: 9px/1 var(--mono); letter-spacing: .14em; color: var(--muted-light); }

.site-nav {
  display: flex; align-items: center; gap: 26px;
  margin-left: auto;
}
.site-nav a {
  position: relative;
  display: inline-flex; align-items: baseline; gap: 6px;
  padding: 10px 0;
  font-size: 13px; color: rgba(241, 237, 228, .76);
  transition: color .2s;
}
.site-nav a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 4px;
  height: 1px; background: var(--red); transition: right .3s var(--ease);
}
.site-nav a:hover { color: var(--bone); }
.site-nav a:hover::after { right: 0; }
.site-nav a.is-active { color: var(--bone); }
.site-nav a.is-active::after { right: 0; }
.site-nav sup {
  font: 8px/1 var(--mono); color: var(--red);
  transform: translateY(-5px);
}
.header-cta {
  flex: 0 0 auto;
  display: inline-flex; align-items: center; justify-content: center; gap: 24px;
  min-width: 153px; height: 42px; padding: 0 18px;
  border: 1px solid rgba(241, 237, 228, .5);
  font-size: 12px; font-weight: 700; letter-spacing: .05em;
  transition: background .2s, border-color .2s, color .2s;
}
.header-cta span { color: var(--red); font-size: 16px; transition: transform .2s; }
.header-cta:hover { background: var(--bone); color: var(--ink); border-color: var(--bone); }
.header-cta:hover span { transform: translate(2px, 2px); }

.nav-toggle {
  display: none;
  width: 44px; height: 44px; margin-left: auto;
  border: 1px solid rgba(241, 237, 228, .3);
  background: transparent; cursor: pointer;
}
.nav-toggle span {
  display: block; width: 18px; height: 1px; margin: 5px auto;
  background: currentColor; transition: transform .25s, opacity .25s;
}
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(3px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3px) rotate(-45deg); }

/* ---------- Shared type / controls ---------- */

.eyebrow,
.section-kicker,
.demo-topline,
.stage-caption,
.fact-key,
.step-meta,
.ledger-tag,
.aside-specs span,
.download-no,
.download-name small,
.footer-legal {
  font-family: var(--mono);
  font-size: 10px;
  line-height: 1.45;
  letter-spacing: .11em;
  text-transform: uppercase;
}

.section-kicker {
  display: flex; align-items: center; gap: 12px;
  color: var(--muted);
}
.section-kicker > span {
  display: inline-grid; place-items: center;
  width: 24px; height: 24px;
  border: 1px solid currentColor; border-radius: 50%;
  font-size: 9px; letter-spacing: 0;
}
.section-intro h2,
.expression-copy h2,
.start-head h2,
.download-head h2 {
  margin-top: 26px;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(40px, 5.2vw, 76px);
  line-height: 1.05;
  letter-spacing: -.055em;
}
.section-intro h2 em,
.expression-copy h2 em,
.start-head h2 em,
.download-head h2 em,
.hero h1 em {
  font-style: normal;
  color: var(--red);
}
.section-lede {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}

.button {
  display: inline-flex; align-items: center; justify-content: space-between; gap: 28px;
  height: 56px; padding: 0 22px 0 25px;
  font-size: 13px; font-weight: 800; letter-spacing: .04em;
  border: 1px solid transparent;
  transition: background .22s var(--ease), color .22s var(--ease), border-color .22s var(--ease);
}
.button-primary {
  background: var(--red); color: var(--paper);
  border-color: var(--red);
}
.button-primary:hover { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.button-arrow { font-size: 18px; font-weight: 400; }
.button-light { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.button-light:hover { background: var(--red); color: var(--paper); border-color: var(--red); }
.text-link {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 8px 0; border-bottom: 1px solid rgba(241, 237, 228, .42);
  font-size: 13px; color: rgba(241, 237, 228, .86);
}
.text-link span { color: var(--red); transition: transform .2s; }
.text-link:hover span { transform: translate(3px, 3px); }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 35%, rgba(77, 130, 131, .20), transparent 25%),
    radial-gradient(circle at 2% 68%, rgba(221, 67, 43, .09), transparent 20%),
    var(--night);
  color: var(--bone);
  padding: 128px 0 0;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(241,237,228,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(241,237,228,.035) 1px, transparent 1px);
  background-size: 76px 76px;
  mask-image: linear-gradient(to bottom, black 0%, transparent 80%);
}
.hero::after {
  content: "SUSURRO";
  position: absolute; right: -30px; top: 128px;
  font: 900 clamp(110px, 19vw, 280px)/.8 var(--display);
  letter-spacing: -.06em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(241, 237, 228, .065);
  transform: scaleX(.82);
  transform-origin: right top;
  pointer-events: none;
}
.hero-noise {
  position: absolute; inset: 0; z-index: 0; pointer-events: none; opacity: .13;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.35'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
}
.hero-inner {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(430px, .98fr);
  align-items: center; gap: clamp(36px, 5vw, 84px);
  padding-top: 34px; padding-bottom: 46px;
}
.hero-copy { padding: 24px 0 30px; }
.hero-eyebrow { display: flex; align-items: center; gap: 12px; color: var(--muted-light); }
.live-dot {
  display: inline-block; width: 6px; height: 6px; border-radius: 50%;
  background: var(--red); box-shadow: 0 0 0 5px rgba(221, 67, 43, .12);
  animation: pulse 2.2s infinite;
}
.eyebrow-rule { width: 34px; height: 1px; background: rgba(241, 237, 228, .25); }
.hero h1 {
  margin-top: clamp(30px, 5vh, 54px);
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(50px, 5.6vw, 82px);
  line-height: 1.01;
  letter-spacing: -.065em;
}
.hero-line { display: block; white-space: nowrap; }
.hero-line-two { margin-left: clamp(10px, 4vw, 60px); }
.hero h1 em { position: relative; display: inline-block; }
.hero h1 em::after {
  content: "";
  position: absolute; left: .05em; right: -.05em; bottom: -.1em;
  height: 4px; background: var(--red); transform: scaleX(0); transform-origin: left;
  animation: draw-line .9s .65s var(--ease) forwards;
}
.hero-lede {
  max-width: 550px; margin-top: 34px;
  color: #b7c0b7; font-size: 16px; line-height: 1.9;
}
.hero-actions {
  display: flex; align-items: center; gap: 30px;
  margin-top: 38px;
}
.hero-facts {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px; margin-top: 58px; padding-top: 20px;
  border-top: 1px solid var(--line-light);
}
.hero-facts > div { display: grid; gap: 5px; }
.fact-key { color: var(--muted-light); font-size: 9px; }
.fact-value { font-size: 12px; color: #d3d9d2; }

.hero-stage-wrap {
  --tilt-x: 0deg; --tilt-y: 0deg;
  position: relative; width: 100%; max-width: 610px; margin-left: auto;
  perspective: 1400px;
}
.stage-caption {
  position: absolute; color: rgba(241, 237, 228, .4); font-size: 8px;
  white-space: nowrap; pointer-events: none;
}
.stage-caption-top { top: -26px; left: 0; }
.stage-caption-bottom { bottom: -31px; right: 0; }
.desktop-stage {
  position: relative;
  transform: rotateX(var(--tilt-x)) rotateY(var(--tilt-y)) rotate(1.25deg);
  transform-style: preserve-3d;
  transition: transform .45s var(--ease);
  filter: drop-shadow(30px 44px 40px rgba(0, 0, 0, .32));
}
.stage-window {
  position: relative;
  overflow: hidden;
  background: #dcd8cd;
  border: 1px solid rgba(241, 237, 228, .28);
  box-shadow: inset 0 0 0 7px rgba(241, 237, 228, .16);
}
.window-bar {
  display: flex; align-items: center; gap: 14px;
  height: 39px; padding: 0 14px;
  background: #cfcabe; color: #3b403c;
  border-bottom: 1px solid rgba(18, 21, 20, .16);
}
.window-dots { display: flex; gap: 5px; }
.window-dots i { display: block; width: 6px; height: 6px; border-radius: 50%; background: #8f958c; }
.window-dots i:first-child { background: var(--red); }
.window-title { font: 9px/1 var(--mono); letter-spacing: .07em; opacity: .68; }
.window-clock { margin-left: auto; font: 9px/1 var(--mono); opacity: .55; }
.stage-field {
  position: relative; height: clamp(430px, 42vw, 535px);
  overflow: hidden;
  background:
    radial-gradient(circle at 69% 16%, rgba(105, 177, 194, .33), transparent 32%),
    linear-gradient(145deg, #e6ece3 0%, #dce5db 50%, #c5d2cb 100%);
}
.field-grid {
  position: absolute; inset: 0; opacity: .44;
  background-image:
    linear-gradient(rgba(27, 55, 53, .10) 1px, transparent 1px),
    linear-gradient(90deg, rgba(27, 55, 53, .10) 1px, transparent 1px);
  background-size: 37px 37px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.7), transparent 78%);
}
.stage-field::before {
  content: "";
  position: absolute; width: 320px; height: 320px; right: -90px; top: -110px;
  border: 1px solid rgba(26, 65, 67, .22); border-radius: 50%;
}
.stage-field::after {
  content: "";
  position: absolute; width: 460px; height: 460px; left: -260px; bottom: -320px;
  border: 1px solid rgba(26, 65, 67, .18); border-radius: 50%;
}
.stage-note {
  position: absolute; top: 34px; right: 30px;
  color: #33565a; font: 18px/1.4 var(--serif);
  transform: rotate(5deg); opacity: .74;
  border-bottom: 1px solid var(--red); padding-bottom: 3px;
}
.chat-stack { position: absolute; left: 26px; top: 30px; z-index: 7; }
.chat-bubble {
  width: max-content; max-width: 205px;
  padding: 11px 15px;
  background: var(--paper); color: var(--ink);
  border: 1px solid rgba(18, 21, 20, .18);
  border-radius: 15px 15px 15px 3px;
  font-size: 12px; line-height: 1.55;
  box-shadow: 5px 7px 0 rgba(20, 35, 32, .10);
  opacity: 0;
  animation: bubble-in .6s .3s var(--ease) forwards;
}
.chat-bubble-two {
  margin: 9px 0 0 28px;
  background: var(--night); color: var(--bone); border-color: var(--night);
  border-radius: 15px 15px 3px 15px;
  animation-delay: .75s;
}
.hero-character {
  position: absolute; z-index: 5; bottom: 14px; left: 50%;
  width: min(435px, 84%); padding: 0; border: 0; background: none;
  transform: translateX(-50%);
  cursor: pointer;
  filter: drop-shadow(0 18px 18px rgba(28, 44, 41, .16));
  -webkit-tap-highlight-color: transparent;
}
.hero-character::after {
  content: ""; position: absolute; inset: 10%; border-radius: 50%;
  box-shadow: 0 0 0 1px rgba(105, 174, 200, 0);
  transition: box-shadow .3s;
}
.hero-character:hover::after,
.hero-character:focus-visible::after { box-shadow: 0 0 0 1px rgba(105, 174, 200, .44); }
.hero-character img { width: 100%; height: auto; animation: character-float 5s ease-in-out infinite; }
.hero-character.is-poked { animation: poke .5s var(--ease); }
.ground-shadow {
  position: absolute; z-index: 3; bottom: 43px; left: 50%;
  width: 290px; height: 36px; transform: translateX(-50%);
  border-radius: 50%; background: rgba(30, 52, 47, .23);
  filter: blur(13px);
}
.memory-pill {
  position: absolute; z-index: 8; right: 21px; bottom: 132px;
  display: flex; align-items: center; gap: 7px;
  padding: 8px 11px;
  background: var(--night); color: var(--bone);
  font: 9px/1.2 var(--mono); letter-spacing: .03em;
  box-shadow: 4px 5px 0 rgba(30, 53, 48, .15);
}
.memory-mark {
  display: inline-grid; place-items: center;
  width: 14px; height: 14px; background: var(--red);
  font: 14px/1 var(--mono);
}
.character-id {
  position: absolute; z-index: 8; left: 22px; bottom: 18px;
  display: grid; grid-template-columns: auto auto; align-items: center; gap: 1px 12px;
  color: #294846;
}
.character-id-name { font: 800 14px/1.2 var(--sans); letter-spacing: .08em; }
.character-id-role { font: 9px/1.2 var(--mono); opacity: .72; }
.character-online {
  grid-column: 1 / -1; display: inline-flex; align-items: center; gap: 5px;
  margin-top: 5px; font: 8px/1 var(--mono); letter-spacing: .12em;
}
.character-online i { width: 5px; height: 5px; border-radius: 50%; background: var(--red); }
.stage-taskbar {
  display: flex; align-items: center; gap: 12px;
  height: 43px; padding: 0 13px;
  color: #d7dcd5; background: #121716;
  border-top: 1px solid rgba(241, 237, 228, .12);
  font: 9px/1.3 var(--mono);
}
.taskbar-start { color: var(--blue); font-size: 15px; }
.taskbar-app { display: inline-flex; align-items: center; gap: 7px; opacity: .8; }
.taskbar-app img { width: 17px; height: 17px; }
.taskbar-spacer { flex: 1; }
.taskbar-status { text-align: right; opacity: .58; font-size: 8px; }
.stage-pin {
  position: absolute; z-index: 10; right: 27px; top: -12px;
  width: 17px; height: 17px; border-radius: 50%; background: var(--red);
  box-shadow: 0 5px 8px rgba(0,0,0,.28);
}
.stage-pin::after {
  content: ""; position: absolute; left: 4px; top: 4px; width: 9px; height: 9px;
  border-radius: 50%; background: #852817; opacity: .5;
}
.stage-stamp {
  position: absolute; z-index: 9; right: -27px; bottom: 59px;
  display: grid; place-items: center; width: 74px; height: 74px;
  border: 2px solid var(--red); border-radius: 50%;
  color: var(--red); font: 8px/1.2 var(--mono); letter-spacing: .08em;
  text-align: center; transform: rotate(11deg);
  background: rgba(241, 237, 228, .84);
}
.stage-stamp b { font-size: 8px; letter-spacing: .04em; }
.poke-hint {
  position: absolute; right: 0; bottom: -57px;
  display: flex; align-items: center; gap: 8px;
  font: 9px/1 var(--mono); color: rgba(241, 237, 228, .46);
  letter-spacing: .06em;
}
.poke-hint span { color: var(--red); font-size: 14px; }
.hero-bottom {
  position: relative; z-index: 2;
  display: flex; align-items: center; gap: 34px;
  padding: 21px 0 25px;
  border-top: 1px solid var(--line-light);
  font-size: 11px; color: rgba(241, 237, 228, .72);
}
.hero-bottom b { margin-right: 5px; color: var(--red); font: 9px/1 var(--mono); }
.hero-bottom-tail { margin-left: auto; color: rgba(241, 237, 228, .36); font: 9px/1 var(--mono); letter-spacing: .08em; }

/* ---------- Ticker ---------- */

.ticker {
  overflow: hidden; background: var(--red); color: var(--ink);
  border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink);
}
.ticker-track {
  display: flex; align-items: center; width: max-content;
  padding: 14px 0;
  animation: ticker 27s linear infinite;
}
.ticker span {
  padding-inline: 26px;
  font: 800 12px/1 var(--sans); letter-spacing: .11em; white-space: nowrap;
}
.ticker i { width: 5px; height: 5px; border-radius: 50%; background: var(--ink); opacity: .5; }

/* ---------- Shared section ---------- */

.section { position: relative; padding: 145px 0; }
.section-intro {
  display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr);
  column-gap: clamp(40px, 8vw, 130px); align-items: end;
}
.section-intro .section-kicker { grid-column: 1 / -1; margin-bottom: 28px; }
.section-intro h2 { grid-column: 1; }
.section-intro .section-lede { grid-column: 2; max-width: 440px; padding-bottom: 8px; }

/* ---------- Day ---------- */

.day { background: var(--bone); }
.day .section-intro h2 { max-width: 850px; font-size: clamp(40px, 4.6vw, 66px); }
.day-log { margin-top: 88px; border-top: 1px solid var(--line); }
.log-entry {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr) 330px;
  grid-template-areas: "head copy fig";
  gap: clamp(28px, 4vw, 66px);
  align-items: start;
  padding: 48px 0;
  border-bottom: 1px solid var(--line);
}
.log-head { grid-area: head; display: grid; gap: 5px; }
.log-head time {
  color: var(--red); font: 46px/.95 var(--serif); letter-spacing: -.06em;
}
.log-label { color: var(--muted); font: 9px/1.5 var(--mono); letter-spacing: .09em; }
.log-copy { grid-area: copy; max-width: 620px; padding-top: 5px; }
.log-copy h3 {
  font-family: var(--serif); font-size: clamp(27px, 2.7vw, 39px);
  font-weight: 600; line-height: 1.18; letter-spacing: -.035em;
}
.log-copy p { max-width: 550px; margin-top: 18px; color: var(--muted); font-size: 14.5px; line-height: 1.95; }
.inline-list {
  display: flex; flex-wrap: wrap; gap: 7px; margin-top: 23px; list-style: none;
}
.inline-list li {
  padding: 4px 9px; border: 1px solid var(--line);
  font: 9px/1.4 var(--mono); letter-spacing: .05em; color: #535b54;
}
.log-figure {
  grid-area: fig; position: relative; align-self: stretch; min-height: 285px;
  overflow: hidden; background: #ded6c8; border: 1px solid var(--line);
}
.log-figure img {
  position: absolute; left: 50%; bottom: -8px;
  width: min(290px, 90%); height: 92%; object-fit: contain; object-position: bottom center;
  transform: translateX(-50%);
  filter: drop-shadow(0 12px 12px rgba(18,21,20,.13));
}
.log-figure figcaption {
  position: absolute; left: 12px; right: 12px; bottom: 9px;
  padding-top: 7px; border-top: 1px solid rgba(18, 21, 20, .22);
  font: 8px/1.4 var(--mono); letter-spacing: .04em; color: rgba(18, 21, 20, .66);
}
.log-entry-afternoon {
  grid-template-columns: 330px minmax(0, 1fr) 150px;
  grid-template-areas: "fig copy head";
}
.log-entry-afternoon .log-head { text-align: right; }
.log-entry-afternoon .log-figure {
  background: #263f44;
  border-color: #263f44;
}
.log-entry-afternoon .log-figure figcaption { color: rgba(241,237,228,.62); border-color: rgba(241,237,228,.24); }
.log-entry-night .log-head time { color: var(--ink); }
.log-entry-night .log-figure { background: var(--red); }
.log-entry-night .log-figure figcaption { color: rgba(18,21,20,.68); }

/* ---------- Anatomy ---------- */

.anatomy { background: var(--night); color: var(--bone); }
.anatomy .section-kicker { color: var(--muted-light); }
.anatomy .section-intro h2 em { color: var(--red); }
.anatomy-layout {
  display: grid; grid-template-columns: minmax(0, 1fr) 350px;
  gap: clamp(42px, 7vw, 100px); align-items: start;
}
.anatomy-intro { display: block; }
.anatomy-intro h2 { margin-top: 26px; max-width: 720px; font-size: clamp(40px, 4.8vw, 66px); }
.ledger { margin-top: 62px; border-top: 1px solid var(--line-light); }
.ledger-row {
  display: grid; grid-template-columns: 38px minmax(200px, .76fr) minmax(0, 1.24fr);
  gap: 26px; padding: 32px 0 35px;
  border-bottom: 1px solid var(--line-light);
}
.ledger-number { color: var(--red); font: 11px/1 var(--mono); letter-spacing: .05em; }
.ledger-tag { color: var(--muted-light); font-size: 8px; }
.ledger-title h3 {
  margin-top: 11px;
  font: 600 25px/1.25 var(--serif); letter-spacing: -.025em;
}
.ledger-body p { color: #aeb7ae; font-size: 13px; line-height: 1.9; }
.ledger-body p + p { margin-top: 12px; }
.ledger-body code {
  padding: 1px 5px; background: rgba(241,237,228,.09); color: #d9e1d8;
  font: 11px/1.5 var(--mono);
}
.anatomy-aside { position: sticky; top: 106px; }
.anatomy-portrait {
  position: relative; height: 420px; overflow: hidden;
  background: linear-gradient(150deg, #e0e8df, #c4d7d4);
  border: 1px solid rgba(241,237,228,.18);
}
.portrait-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(26,64,61,.10) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26,64,61,.10) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(to bottom, black, transparent 88%);
}
.anatomy-portrait img {
  position: absolute; left: 50%; bottom: -4px; width: 420px; max-width: 108%;
  transform: translateX(-50%);
  filter: drop-shadow(0 15px 16px rgba(30,56,51,.16));
}
.anatomy-portrait figcaption {
  position: absolute; inset: auto 12px 12px;
  display: flex; justify-content: space-between;
  color: #294846; font: 8px/1 var(--mono); letter-spacing: .08em;
}
.aside-note {
  display: grid; grid-template-columns: 28px 1fr; gap: 12px;
  padding: 20px 20px 21px; background: var(--red); color: var(--ink);
}
.aside-plus { font: 300 34px/.8 var(--sans); }
.aside-note p { font-size: 12.5px; line-height: 1.7; }
.aside-note b { font-weight: 800; }
.aside-specs { display: grid; border: 1px solid var(--line-light); border-top: 0; }
.aside-specs > div {
  display: flex; justify-content: space-between; gap: 14px;
  padding: 12px 14px; border-bottom: 1px solid var(--line-light);
}
.aside-specs > div:last-child { border-bottom: 0; }
.aside-specs span { color: var(--muted-light); font-size: 8px; }
.aside-specs b { color: #d5dcd4; font: 600 10px/1.4 var(--mono); text-align: right; }

/* ---------- Expressions ---------- */

.expressions { background: var(--paper); overflow: hidden; }
.expression-layout {
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(350px, .95fr);
  gap: clamp(44px, 7vw, 120px); align-items: start;
}
.expression-demo { position: sticky; top: 100px; }
.demo-topline {
  display: flex; justify-content: space-between; gap: 20px;
  padding: 11px 0; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--line);
  color: var(--muted);
}
.mood-stage {
  position: relative; height: clamp(470px, 43vw, 590px); overflow: hidden;
  background:
    radial-gradient(circle at 53% 36%, rgba(117, 182, 201, .29), transparent 30%),
    linear-gradient(145deg, #1a2220, #121716);
  border: 1px solid var(--ink);
}
.mood-grid {
  position: absolute; inset: 0; opacity: .42;
  background-image:
    linear-gradient(rgba(241,237,228,.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(241,237,228,.09) 1px, transparent 1px);
  background-size: 43px 43px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.9), transparent 90%);
}
.mood-cross { position: absolute; color: var(--red); font: 24px/1 var(--mono); opacity: .9; }
.mood-cross-one { top: 22px; left: 22px; }
.mood-cross-two { right: 24px; bottom: 20px; }
.mood-image {
  position: absolute; left: 50%; bottom: 28px; width: min(500px, 88%);
  transform: translateX(-50%);
  filter: drop-shadow(0 22px 22px rgba(0,0,0,.34));
  transition: opacity .16s ease, transform .3s var(--ease);
}
.mood-image.is-switching { opacity: 0; transform: translateX(-50%) translateY(8px) scale(.985); }
.mood-stamp {
  position: absolute; top: 24px; right: 24px;
  padding: 5px 9px; background: var(--red); color: var(--ink);
  font: 9px/1 var(--mono); letter-spacing: .12em;
  transform: rotate(3deg);
}
.mood-caption {
  position: absolute; left: 24px; bottom: 23px; z-index: 2;
  max-width: 240px;
  color: var(--bone); font: 17px/1.55 var(--serif); letter-spacing: .01em;
}
.mood-controls { display: flex; flex-wrap: wrap; border-bottom: 1px solid var(--line); }
.mood-controls button {
  flex: 1 1 auto; min-width: 72px; height: 45px; padding: 0 9px;
  border: 0; border-right: 1px solid var(--line); background: transparent;
  font-size: 12px; cursor: pointer; color: var(--muted);
  transition: background .2s, color .2s;
}
.mood-controls button:last-child { border-right: 0; }
.mood-controls button:hover { background: rgba(18,21,20,.055); color: var(--ink); }
.mood-controls button.is-active { background: var(--ink); color: var(--bone); }
.demo-note { margin-top: 10px; color: #5e655e; font: 8px/1.5 var(--mono); letter-spacing: .03em; }
.expression-copy { padding-top: 11px; }
.expression-copy h2 { margin-top: 27px; font-size: clamp(40px, 4.7vw, 66px); }
.expression-copy .section-lede { margin-top: 27px; max-width: 490px; }
.forms-list { margin-top: 44px; border-top: 1px solid var(--line); }
.form-item {
  display: grid; grid-template-columns: 34px 1fr; gap: 15px;
  padding: 16px 0 17px; border-bottom: 1px solid var(--line);
}
.form-no { color: var(--red); font: 10px/1.5 var(--mono); }
.form-item h3 { font: 600 19px/1.2 var(--serif); letter-spacing: -.01em; }
.form-item p { margin-top: 5px; color: var(--muted); font-size: 12.5px; line-height: 1.75; }
.mini-cta {
  display: grid; grid-template-columns: 30px 1fr; gap: 14px;
  margin-top: 32px; padding: 19px 20px;
  border-left: 3px solid var(--red); background: #e8e1d4;
}
.mini-cta-mark { color: var(--red); font: 28px/.8 var(--sans); }
.mini-cta p { font-size: 12.5px; line-height: 1.75; }

/* ---------- Download ---------- */

.download {
  background: var(--red); color: var(--ink);
  padding: 125px 0 120px;
}
.download .section-kicker { color: rgba(18,21,20,.63); }
.download .section-kicker > span { border-color: rgba(18,21,20,.42); }
.download-head {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, .7fr);
  gap: 70px; align-items: end;
}
.download-head h2 {
  margin-top: 24px;
  font-size: clamp(84px, 11vw, 156px);
  line-height: .83;
  color: var(--ink);
}
.download-head h2 em { color: var(--paper); }
.download-aside { max-width: 390px; padding-bottom: 3px; }
.download-aside p { font-size: 14px; line-height: 1.85; }
.download-stamp {
  display: grid; place-items: center; width: 90px; height: 90px;
  margin-top: 24px;
  border: 2px solid var(--ink); border-radius: 50%;
  font: 8px/1.3 var(--mono); letter-spacing: .1em; text-align: center;
  transform: rotate(-8deg);
}
.download-stamp b { font-size: 10px; letter-spacing: .04em; }
.download-list { margin-top: 78px; border-top: 1px solid rgba(18,21,20,.55); }
.download-row {
  display: grid; grid-template-columns: 50px minmax(170px, 1.05fr) minmax(210px, .9fr) minmax(180px, .7fr);
  gap: 26px; align-items: center;
  padding: 24px 20px 24px 0;
  border-bottom: 1px solid rgba(18,21,20,.55);
  transition: background .24s var(--ease), color .24s var(--ease), padding .24s var(--ease);
}
.download-row:hover { background: var(--ink); color: var(--paper); padding-left: 20px; }
.download-row-primary { background: rgba(247,243,234,.36); padding-left: 20px; }
.download-no { color: rgba(18,21,20,.55); font: 10px/1 var(--mono); }
.download-row:hover .download-no { color: var(--red); }
.download-name { display: grid; gap: 4px; }
.download-name b { font: 600 28px/1.1 var(--serif); }
.download-name small { color: rgba(18,21,20,.56); font-size: 8px; }
.download-row:hover .download-name small { color: var(--muted-light); }
.download-spec { font: 11px/1.7 var(--mono); color: rgba(18,21,20,.72); }
.download-row:hover .download-spec { color: #b8c0b8; }
.download-action {
  justify-self: end; display: inline-flex; align-items: center; gap: 13px;
  font-size: 12px; font-weight: 800; letter-spacing: .02em;
}
.download-action span { font-size: 17px; color: var(--ink); transition: transform .2s; }
.download-row:hover .download-action span { color: var(--red); transform: translate(2px, -2px); }
.download-notes {
  display: grid; grid-template-columns: 1fr 1fr; gap: 30px;
  margin-top: 27px; color: rgba(18,21,20,.72);
}
.download-notes p { display: grid; grid-template-columns: 17px 1fr; gap: 10px; font: 9px/1.65 var(--mono); }
.note-mark {
  display: inline-grid; place-items: center; width: 15px; height: 15px;
  border: 1px solid rgba(18,21,20,.55); border-radius: 50%;
  font: 9px/1 var(--mono);
}

/* ---------- Start / guides ---------- */

.start { background: var(--bone); }
.start-head {
  display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(250px, .6fr);
  column-gap: 100px; align-items: end;
}
.start-head .section-kicker { grid-column: 1 / -1; margin-bottom: 27px; }
.start-head h2 { grid-column: 1; }
.start-head > p:last-child { grid-column: 2; color: var(--muted); font-size: 14px; line-height: 1.9; padding-bottom: 7px; }
.steps { margin-top: 74px; list-style: none; border-top: 1px solid var(--line); }
.step {
  display: grid; grid-template-columns: 130px minmax(0, 1fr) 170px;
  gap: 34px; align-items: start;
  padding: 31px 0 33px; border-bottom: 1px solid var(--line);
}
.step-no {
  color: transparent; -webkit-text-stroke: 1px var(--ink);
  font: 600 75px/.78 var(--serif); letter-spacing: -.06em;
}
.step-body h3 { font: 600 25px/1.2 var(--serif); letter-spacing: -.02em; }
.step-body p { max-width: 700px; margin-top: 9px; color: var(--muted); font-size: 13.5px; line-height: 1.85; }
.step-meta { justify-self: end; padding-top: 4px; color: #626a63; font-size: 8px; text-align: right; }

.guide-index {
  margin-top: 70px; padding: 8px 24px;
  background: var(--ink); color: var(--bone);
}
.guide-link {
  display: grid; grid-template-columns: 34px 180px minmax(0, 1fr) 25px;
  gap: 18px; align-items: center;
  padding: 16px 0; border-bottom: 1px solid var(--line-light);
  transition: color .2s, padding .2s var(--ease);
}
.guide-link:last-child { border-bottom: 0; }
.guide-link:hover { color: var(--red); padding-left: 8px; }
.guide-no { font: 9px/1 var(--mono); color: var(--red); }
.guide-name { font: 600 19px/1.3 var(--serif); }
.guide-desc { font: 11px/1.5 var(--mono); color: var(--muted-light); }
.guide-link:hover .guide-desc { color: #d0d6cf; }
.guide-arrow { justify-self: end; font-size: 19px; color: var(--red); }
.disclosure {
  display: grid; grid-template-columns: 1fr 1fr; gap: 34px;
  margin-top: 32px; padding-top: 20px; border-top: 1px solid var(--line);
}
.disclosure p { color: #5c635c; font: 9px/1.75 var(--mono); }
.disclosure a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }

/* ---------- Footer ---------- */

.site-footer { background: var(--ink); color: var(--bone); padding: 88px 0 26px; overflow: hidden; }
.footer-top {
  display: flex; justify-content: space-between; align-items: flex-end; gap: 30px;
  padding-bottom: 58px; border-bottom: 1px solid var(--line-light);
}
.footer-wordmark {
  font: 900 clamp(70px, 12vw, 180px)/.72 var(--display);
  letter-spacing: -.06em; transform: scaleX(.88); transform-origin: left bottom;
  color: transparent; -webkit-text-stroke: 1px rgba(241,237,228,.25);
}
.footer-cta { text-align: right; padding-bottom: 4px; }
.footer-cta p { margin-bottom: 17px; color: #a5ada5; font: 400 15px/1.5 var(--serif); }
.footer-cta .button { min-width: 190px; }
.footer-grid {
  display: grid; grid-template-columns: 1fr 1fr auto; gap: 40px; align-items: end;
  padding-top: 25px;
}
.footer-brand { display: flex; gap: 12px; align-items: center; }
.footer-brand .brand-mark { width: 23px; height: 23px; }
.footer-brand p { font-size: 12px; line-height: 1.45; }
.footer-brand p span { color: var(--muted-light); font: 8px/1.5 var(--mono); letter-spacing: .06em; }
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-links a { color: #a5ada5; font: 9px/1.5 var(--mono); letter-spacing: .08em; }
.footer-links a:hover { color: var(--red); }
.footer-legal { text-align: right; color: #8e978e; font-size: 8px; line-height: 1.7; }

/* ---------- Decor & JS states ---------- */

.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js .reveal.is-visible { opacity: 1; transform: none; }

.heart-layer { position: fixed; inset: 0; z-index: 400; pointer-events: none; overflow: hidden; }
.heart {
  position: fixed; color: var(--red); font: 22px/1 var(--sans); pointer-events: none;
  animation: heart-rise 1.15s var(--ease) forwards;
  text-shadow: 0 1px 0 rgba(0,0,0,.15);
}
.toast {
  position: fixed; left: 50%; bottom: 28px; z-index: 420;
  padding: 11px 16px; background: var(--ink); color: var(--bone);
  font: 10px/1.4 var(--mono); letter-spacing: .04em;
  transform: translate(-50%, 25px); opacity: 0; pointer-events: none;
  transition: opacity .25s, transform .25s var(--ease);
}
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

@keyframes pulse { 0%,100% { box-shadow: 0 0 0 4px rgba(221,67,43,.10); } 50% { box-shadow: 0 0 0 8px rgba(221,67,43,0); } }
@keyframes draw-line { to { transform: scaleX(1); } }
@keyframes bubble-in { from { opacity: 0; transform: translateY(8px) scale(.97); } to { opacity: 1; transform: none; } }
@keyframes character-float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes poke { 0% { transform: translateX(-50%) scale(1); } 35% { transform: translateX(-50%) scale(1.035, .965); } 70% { transform: translateX(-50%) scale(.98, 1.03); } 100% { transform: translateX(-50%) scale(1); } }
@keyframes ticker { to { transform: translateX(-50%); } }
@keyframes heart-rise { 0% { opacity: 1; transform: translate(0,0) rotate(0) scale(.8); } 100% { opacity: 0; transform: translate(var(--dx), -90px) rotate(var(--rot)) scale(1.15); } }

/* ---------- Responsive ---------- */

@media (max-width: 1180px) {
  .hero-inner { grid-template-columns: minmax(0, 1fr) minmax(390px, .9fr); gap: 36px; }
  .hero h1 { font-size: clamp(52px, 5.8vw, 74px); }
  .site-nav { gap: 18px; }
  .site-nav a { font-size: 12px; }
  .anatomy-layout { grid-template-columns: minmax(0, 1fr) 300px; gap: 48px; }
  .ledger-row { grid-template-columns: 30px minmax(180px, .72fr) minmax(0, 1fr); gap: 20px; }
  .expression-layout { gap: 50px; }
  .log-entry { grid-template-columns: 120px minmax(0, 1fr) 280px; gap: 30px; }
  .log-entry-afternoon { grid-template-columns: 280px minmax(0, 1fr) 120px; }
  .download-row { grid-template-columns: 38px minmax(150px, 1fr) minmax(200px, .9fr) minmax(170px, .7fr); gap: 18px; }
}

@media (max-width: 960px) {
  .shell { width: min(100% - 56px, 760px); }
  .site-header { padding: 0 28px; gap: 20px; }
  .site-nav { display: none; }
  .header-cta { margin-left: auto; }
  .nav-toggle { display: block; }
  .site-nav.is-open {
    position: fixed; inset: 68px 0 auto;
    display: grid; gap: 0; margin: 0; padding: 18px 28px 28px;
    background: var(--night); border-bottom: 1px solid var(--line-light);
  }
  .site-nav.is-open a {
    display: flex; justify-content: space-between;
    padding: 17px 0; border-bottom: 1px solid var(--line-light);
    font-size: 17px;
  }
  .site-nav.is-open a::after { display: none; }
  .site-nav.is-open sup { order: 2; font-size: 9px; }
  .hero { padding-top: 118px; }
  .hero-inner { grid-template-columns: 1fr; gap: 55px; padding-top: 15px; }
  .hero-copy { padding-bottom: 0; }
  .hero h1 { font-size: clamp(56px, 10vw, 78px); }
  .hero-lede { max-width: 600px; }
  .hero-stage-wrap { width: min(100%, 620px); margin: 0 auto; }
  .hero-bottom { flex-wrap: wrap; gap: 14px 26px; }
  .hero-bottom-tail { width: 100%; margin-left: 0; }
  .section { padding: 104px 0; }
  .section-intro { grid-template-columns: 1fr; gap: 23px; }
  .section-intro .section-lede { grid-column: 1; max-width: 600px; }
  .section-intro .section-kicker { margin-bottom: 6px; }
  .day-log { margin-top: 56px; }
  .log-entry,
  .log-entry-afternoon {
    grid-template-columns: 110px minmax(0, 1fr) 260px;
    grid-template-areas: "head copy fig";
    gap: 24px;
  }
  .log-entry-afternoon .log-head { text-align: left; }
  .log-entry-afternoon .log-figure { grid-area: fig; }
  .log-entry-afternoon .log-copy { grid-area: copy; }
  .log-entry-afternoon .log-head { grid-area: head; }
  .log-figure { min-height: 245px; }
  .anatomy-layout { grid-template-columns: 1fr; }
  .anatomy-aside { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin-top: 46px; }
  .anatomy-portrait { grid-row: 1 / 3; height: 390px; }
  .aside-note { align-self: end; }
  .expression-layout { grid-template-columns: 1fr; gap: 60px; }
  .expression-demo { position: static; }
  .expression-copy { max-width: 680px; }
  .download-head, .start-head { grid-template-columns: 1fr; gap: 30px; }
  .download-aside { max-width: 460px; }
  .download-stamp { display: none; }
  .download-list { margin-top: 50px; }
  .download-row { grid-template-columns: 36px 1fr 1fr; gap: 15px; }
  .download-spec { grid-column: 2; }
  .download-action { grid-column: 3; grid-row: 1 / span 2; }
  .download-notes { grid-template-columns: 1fr; gap: 13px; }
  .step { grid-template-columns: 100px minmax(0, 1fr); gap: 24px; }
  .step-meta { grid-column: 2; justify-self: start; padding: 0; text-align: left; }
  .start-head > p:last-child { grid-column: 1; }
  .guide-link { grid-template-columns: 28px 150px minmax(0, 1fr) 22px; }
  .disclosure { grid-template-columns: 1fr; gap: 12px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .footer-legal { grid-column: 1 / -1; text-align: left; }
}

@media (max-width: 620px) {
  .shell { width: calc(100% - 36px); }
  .site-header { height: 66px; padding: 0 18px; }
  .site-header.is-scrolled { height: 62px; }
  .brand-en { display: none; }
  .brand-cn { font-size: 13px; }
  .brand-mark { width: 26px; height: 26px; }
  .header-cta { display: none; }
  .site-nav.is-open { top: 62px; padding: 11px 18px 20px; }
  .hero { padding-top: 100px; }
  .hero::after { top: 90px; font-size: 130px; }
  .hero-inner { padding-top: 8px; gap: 42px; }
  .hero-eyebrow { font-size: 8px; gap: 8px; }
  .eyebrow-rule { width: 18px; }
  .hero h1 { font-size: clamp(45px, 12.3vw, 59px); margin-top: 29px; }
  .hero-line-two { margin-left: 4vw; }
  .hero h1 em::after { height: 3px; }
  .hero-lede { margin-top: 25px; font-size: 14.5px; line-height: 1.85; }
  .hero-actions { flex-direction: column; align-items: stretch; gap: 12px; margin-top: 28px; }
  .hero-actions .button { width: 100%; }
  .text-link { align-self: flex-start; border-bottom: 0; padding: 4px 0 0; }
  .hero-facts { gap: 10px; margin-top: 35px; padding-top: 15px; }
  .fact-key { font-size: 7px; letter-spacing: .06em; }
  .fact-value { font-size: 10px; }
  .hero-stage-wrap { margin-top: 3px; }
  .stage-caption { display: none; }
  .desktop-stage { transform: rotate(0.8deg); filter: drop-shadow(17px 25px 24px rgba(0,0,0,.35)); }
  .stage-field { height: 390px; }
  .window-bar { height: 33px; padding: 0 10px; }
  .window-title { font-size: 7px; }
  .window-clock { font-size: 7px; }
  .stage-note { top: 82px; right: 18px; font-size: 13px; }
  .chat-stack { left: 14px; top: 20px; }
  .chat-bubble { padding: 8px 10px; font-size: 10px; max-width: 158px; box-shadow: 3px 4px 0 rgba(20,35,32,.10); }
  .chat-bubble-two { margin-left: 16px; }
  .hero-character { width: 80%; bottom: 9px; }
  .ground-shadow { width: 180px; bottom: 34px; }
  .memory-pill { right: 10px; bottom: 99px; padding: 6px 7px; font-size: 7px; }
  .memory-mark { width: 11px; height: 11px; font-size: 11px; }
  .character-id { left: 12px; bottom: 10px; }
  .character-id-name { font-size: 11px; }
  .character-id-role { font-size: 7px; }
  .character-online { font-size: 6px; }
  .stage-taskbar { height: 35px; gap: 8px; padding: 0 9px; font-size: 7px; }
  .stage-taskbar img { width: 14px; height: 14px; }
  .stage-stamp { display: none; }
  .stage-pin { right: 18px; top: -8px; width: 14px; height: 14px; }
  .poke-hint { bottom: -45px; font-size: 8px; }
  .hero-bottom { padding: 16px 0 19px; gap: 10px 18px; font-size: 10px; }
  .hero-bottom b { font-size: 7px; }
  .hero-bottom-tail { font-size: 8px; }
  .ticker-track { padding: 11px 0; }
  .ticker span { padding-inline: 18px; font-size: 10px; }
  .section { padding: 78px 0; }
  .section-intro h2,
  .expression-copy h2,
  .start-head h2 { margin-top: 21px; font-size: clamp(37px, 10.5vw, 50px); }
  .section-intro .section-kicker { margin-bottom: 0; }
  .section-kicker { font-size: 8px; gap: 8px; }
  .section-kicker > span { width: 20px; height: 20px; font-size: 8px; }
  .section-lede { font-size: 14px; }
  .day-log { margin-top: 42px; }
  .log-entry, .log-entry-afternoon {
    grid-template-columns: 1fr;
    grid-template-areas: "head" "copy" "fig";
    gap: 16px; padding: 30px 0 35px;
  }
  .log-entry-afternoon .log-head { text-align: left; }
  .log-head { display: flex; align-items: baseline; gap: 12px; }
  .log-head time { font-size: 39px; }
  .log-label { font-size: 8px; }
  .log-copy h3 { font-size: 29px; }
  .log-copy p { margin-top: 12px; font-size: 13px; }
  .inline-list { margin-top: 17px; gap: 5px; }
  .inline-list li { font-size: 8px; padding: 3px 7px; }
  .log-figure { min-height: 255px; margin-top: 8px; }
  .log-figure img { width: 245px; }
  .anatomy-intro h2 { font-size: clamp(37px, 9.8vw, 48px); }
  .ledger { margin-top: 38px; }
  .ledger-row { grid-template-columns: 27px 1fr; gap: 12px; padding: 24px 0 27px; }
  .ledger-body { grid-column: 2; }
  .ledger-title h3 { font-size: 23px; margin-top: 7px; }
  .ledger-body p { font-size: 12.5px; }
  .ledger-number { padding-top: 4px; }
  .anatomy-aside { grid-template-columns: 1fr; margin-top: 34px; }
  .anatomy-portrait { grid-row: auto; height: 330px; }
  .aside-note { padding: 17px; }
  .aside-portrait img { width: 330px; }
  .expression-demo { margin-top: 30px; }
  .demo-topline { font-size: 8px; }
  .mood-stage { height: 400px; }
  .mood-image { width: 340px; bottom: 20px; }
  .mood-caption { left: 14px; bottom: 14px; font-size: 14px; max-width: 180px; }
  .mood-stamp { top: 14px; right: 14px; font-size: 8px; }
  .mood-controls button { min-width: 20%; height: 42px; font-size: 11px; border-bottom: 1px solid var(--line); }
  .mood-controls button:nth-child(3n) { border-right: 0; }
  .expression-copy { padding-top: 0; }
  .forms-list { margin-top: 32px; }
  .form-item h3 { font-size: 18px; }
  .download { padding: 80px 0 76px; }
  .download-head h2 { font-size: clamp(78px, 22vw, 105px); }
  .download-aside p { font-size: 13px; }
  .download-list { margin-top: 38px; }
  .download-row { grid-template-columns: 26px 1fr 30px; gap: 8px 10px; padding: 17px 0; }
  .download-row-primary { padding-left: 9px; }
  .download-row:hover { padding-left: 9px; }
  .download-name b { font-size: 23px; }
  .download-spec { grid-column: 2; font-size: 9px; }
  .download-action { grid-column: 3; grid-row: 1 / span 2; width: 30px; height: 100%; overflow: hidden; color: transparent; font-size: 0; }
  .download-action span { color: var(--ink); font-size: 18px; }
  .download-row:hover .download-action span { color: var(--red); }
  .download-notes p { font-size: 8px; }
  .start-head h2 { font-size: clamp(40px, 11.5vw, 52px); }
  .steps { margin-top: 40px; }
  .step { grid-template-columns: 58px 1fr; gap: 15px; padding: 22px 0 25px; }
  .step-no { font-size: 53px; }
  .step-body h3 { font-size: 21px; }
  .step-body p { font-size: 12.5px; }
  .step-meta { grid-column: 2; font-size: 7px; }
  .guide-index { margin-top: 42px; padding: 4px 14px; }
  .guide-link { grid-template-columns: 19px 1fr 22px; gap: 10px; padding: 13px 0; }
  .guide-name { font-size: 17px; }
  .guide-desc { grid-column: 2; grid-row: 2; font-size: 8px; }
  .guide-arrow { grid-column: 3; grid-row: 1 / span 2; }
  .disclosure { margin-top: 24px; }
  .disclosure p { font-size: 8px; }
  .site-footer { padding-top: 60px; }
  .footer-top { display: block; padding-bottom: 38px; }
  .footer-wordmark { font-size: 27vw; }
  .footer-cta { text-align: left; margin-top: 34px; }
  .footer-cta p { margin-bottom: 13px; }
  .footer-grid { grid-template-columns: 1fr; gap: 22px; padding-top: 20px; }
  .footer-links { gap: 16px; }
  .footer-legal { grid-column: auto; }
  .toast { width: calc(100% - 36px); text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .js .reveal { opacity: 1; transform: none; }
  .hero h1 em::after { transform: scaleX(1); }
}