/* AI Pet — marketing site tokens & layout */

:root {
  --bg: #f6f7fa;
  --surface: #ffffff;
  --surface-2: #eef0f5;
  --fg: #1a1d2b;
  --muted: #5c6478;
  --border: #e2e5ee;
  --ink: #12141f;
  --accent: #e85d3b;
  --accent-soft: #fdeae5;
  --mint: #2a9d8f;
  --mint-soft: #e6f5f2;
  --amber: #d4a017;
  --amber-soft: #faf0d2;
  --shell: #12141f;

  --font-display: "Bricolage Grotesque", "Avenir Next", "PingFang SC", sans-serif;
  --font-body: "Plus Jakarta Sans", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;

  --shadow-sm: 0 1px 2px rgba(18, 20, 31, 0.04);
  --shadow-md: 0 10px 28px -12px rgba(18, 20, 31, 0.14);
  --shadow-lg: 0 28px 64px -24px rgba(18, 20, 31, 0.22);

  --dur-1: 120ms;
  --dur-2: 240ms;
  --dur-3: 480ms;
  --dur-4: 800ms;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* legacy aliases for legal pages */
  --cream-bg: var(--bg);
  --sand-bg: var(--surface-2);
  --primary-orange: var(--accent);
  --primary-orange-light: #f07a5c;
  --primary-orange-dark: #c4472a;
  --deep-brown: var(--fg);
  --deep-brown-dark: var(--ink);
  --text-primary: var(--fg);
  --text-secondary: var(--muted);
  --text-light: var(--surface-2);
  --radius-sm: var(--r-sm);
  --radius-md: var(--r-md);
  --radius-lg: var(--r-lg);
  --radius-xl: var(--r-xl);
  --radius-2xl: 32px;
  --radius-full: 999px;
  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

::selection {
  background: var(--accent);
  color: #fff;
}

.wrap {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 8px;
  z-index: 1000;
  background: var(--fg);
  color: #fff;
  padding: 10px 16px;
  border-radius: var(--r-sm);
  font: 600 13px/1 var(--font-body);
}

.skip-link:focus {
  top: 8px;
}

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

/* —— Nav —— */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-2), background var(--dur-2);
}

.nav.is-scrolled {
  border-bottom-color: color-mix(in srgb, var(--border) 70%, transparent);
  background: color-mix(in srgb, var(--bg) 90%, transparent);
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  overflow: hidden;
  flex-shrink: 0;
  background: linear-gradient(145deg, #fff, #ffe8f1);
  border: 1px solid color-mix(in srgb, var(--border) 80%, #ffb8d4);
  box-shadow: var(--shadow-sm);
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transform: scale(1.08);
}

.brand-text {
  letter-spacing: -0.03em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--muted);
}

.nav-links a {
  position: relative;
  transition: color var(--dur-1);
}

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

.nav-cta {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-text-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  transition: color var(--dur-1);
}

.nav-text-link:hover {
  color: var(--accent);
}

.btn-nav {
  padding: 10px 16px;
  font-size: 13.5px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font: 600 14.5px/1 var(--font-body);
  padding: 12px 20px;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  cursor: pointer;
  letter-spacing: 0.01em;
  transition:
    transform var(--dur-1) var(--ease-out),
    background var(--dur-2),
    box-shadow var(--dur-2),
    border-color var(--dur-2),
    color var(--dur-2);
}

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

.btn-accent {
  background: var(--accent);
  color: #fff;
}

.btn-accent:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px -10px color-mix(in srgb, var(--accent) 55%, transparent);
}

.btn-primary {
  background: var(--fg);
  color: #fff;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

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

.btn-ghost.on-dark {
  color: #fff;
  border-color: color-mix(in srgb, #fff 28%, transparent);
}

.btn-ghost.on-dark:hover {
  border-color: #fff;
  background: color-mix(in srgb, #fff 8%, transparent);
}

.btn:active {
  transform: scale(0.97);
}

/* —— Hero: one composition, full-bleed —— */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: #fff;
  padding: 96px 0 48px;
}

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

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse at 72% 42%, rgba(255, 184, 212, 0.28), transparent 42%),
    radial-gradient(ellipse at 18% 78%, rgba(42, 157, 143, 0.18), transparent 38%),
    radial-gradient(ellipse at 88% 88%, rgba(232, 93, 59, 0.16), transparent 36%),
    linear-gradient(160deg, #1a1d2b 0%, #12141f 48%, #0e1018 100%);
}

.hero-light .hero-media {
  background:
    radial-gradient(ellipse at 82% 48%, rgba(255, 170, 205, 0.42), transparent 40%),
    radial-gradient(ellipse at 14% 72%, rgba(42, 157, 143, 0.1), transparent 38%),
    radial-gradient(ellipse at 30% 8%, #fff 0%, transparent 48%),
    linear-gradient(165deg, #fcfdff 0%, #f5f2f8 52%, #efeaf4 100%);
}

.hero-media::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 70% 50%, #000 10%, transparent 72%);
  animation: heroDrift 18s ease-in-out infinite alternate;
}

.hero-light .hero-media::before {
  background-image:
    linear-gradient(to right, rgba(18, 20, 31, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(18, 20, 31, 0.035) 1px, transparent 1px);
  opacity: 0.9;
}

.hero-shell {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
  width: min(1120px, 92vw);
}

.hero-copy {
  max-width: 34rem;
  padding: 12px 0 24px;
}

.hero-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(58px, 9vw, 96px);
  line-height: 0.94;
  letter-spacing: -0.04em;
  margin-bottom: 18px;
  color: var(--ink);
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(22px, 2.8vw, 32px);
  line-height: 1.28;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
  color: var(--fg);
}

.hero-sub {
  font-size: 17px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 40ch;
  margin-bottom: 30px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
}

.btn-lg {
  padding: 14px 22px;
  font-size: 15px;
  border-radius: 14px;
}

.hero-more {
  font: 600 15px/1 var(--font-body);
  color: var(--fg);
  letter-spacing: 0.01em;
  border-bottom: 1px solid color-mix(in srgb, var(--fg) 22%, transparent);
  padding-bottom: 2px;
  transition: color var(--dur-1), border-color var(--dur-1);
}

.hero-more:hover {
  color: var(--accent);
  border-bottom-color: color-mix(in srgb, var(--accent) 45%, transparent);
}

.hero-stage {
  position: relative;
  min-height: min(62vh, 560px);
  display: grid;
  place-items: center;
}

.hero-glow {
  position: absolute;
  width: 78%;
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(255, 184, 212, 0.55) 0%, rgba(255, 184, 212, 0.12) 48%, transparent 70%);
  filter: blur(8px);
  animation: glowPulse 5.5s ease-in-out infinite;
}

.hero-mascot-img {
  position: relative;
  z-index: 1;
  width: min(100%, 520px);
  height: auto;
  display: block;
  object-fit: contain;
  filter: drop-shadow(0 28px 40px rgba(18, 20, 31, 0.14));
  animation: petBob 4.2s ease-in-out infinite;
}

/* —— Sections —— */
.sec {
  padding: 104px 0;
}

.sec-alt {
  background: var(--surface-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.sec-kicker {
  font: 500 12px/1 var(--font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mint);
  margin-bottom: 14px;
}

.sec-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(30px, 3.6vw, 46px);
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin-bottom: 14px;
}

.sec-desc {
  font-size: 17px;
  color: var(--muted);
  line-height: 1.65;
  max-width: 48ch;
}

.sec-head {
  margin-bottom: 52px;
}

/* Features */
.feat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.feat {
  padding: 26px 24px;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--surface);
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 200px;
  transition: transform var(--dur-2) var(--ease-out), box-shadow var(--dur-2), border-color var(--dur-2);
}

.feat:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: color-mix(in srgb, var(--accent) 22%, var(--border));
}

.feat-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
}

.feat-icon.mint {
  background: var(--mint-soft);
  color: var(--mint);
}

.feat-icon.amber {
  background: var(--amber-soft);
  color: var(--amber);
}

.feat-icon svg {
  width: 22px;
  height: 22px;
}

.feat h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.feat p {
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.55;
}

/* Breath / dialogue */
.breath {
  position: relative;
  overflow: hidden;
  background: var(--shell);
  color: #fff;
  padding: 110px 0;
}

.breath::before {
  content: "";
  position: absolute;
  top: -28%;
  right: -8%;
  width: 48%;
  aspect-ratio: 1;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 22%, transparent), transparent 62%);
  border-radius: 50%;
}

.breath-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 56px;
  align-items: center;
}

.breath .sec-kicker {
  color: var(--accent);
}

.breath .sec-title {
  color: #fff;
}

.breath .sec-desc {
  color: color-mix(in srgb, #fff 62%, transparent);
}

.chat {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.bubble {
  max-width: 88%;
  padding: 14px 18px;
  border-radius: var(--r-lg);
  font-size: 15px;
  line-height: 1.55;
  background: #1f2333;
  border: 1px solid #2c3145;
}

.bubble.pal {
  align-self: flex-start;
  border-top-left-radius: 4px;
}

.bubble.me {
  align-self: flex-end;
  background: var(--accent);
  border-color: var(--accent);
  border-top-right-radius: 4px;
}

.bubble time {
  display: block;
  margin-top: 6px;
  font: 500 11px/1 var(--font-mono);
  letter-spacing: 0.06em;
  color: color-mix(in srgb, #fff 45%, transparent);
}

/* Skins */
.skin-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.skin {
  text-align: center;
  padding: 28px 18px 24px;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--surface);
  transition: transform var(--dur-2) var(--ease-out), box-shadow var(--dur-2);
}

.skin:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.skin-art {
  width: 120px;
  height: 120px;
  margin: 0 auto 16px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.skin-art img {
  width: 88%;
  height: auto;
  animation: petBob 4.5s ease-in-out infinite;
}

.skin-art.default {
  background: radial-gradient(circle at 50% 40%, #ffe8f1, #f7d4e4);
}

.skin-art.black {
  background: radial-gradient(circle at 50% 40%, #3a3d4d, #1a1d2b);
}

.skin-art.gray {
  background: radial-gradient(circle at 50% 40%, #d8dbe4, #a8aebc);
}

.skin-art.white {
  background: radial-gradient(circle at 50% 40%, #fff, #e8ebf2);
}

.skin-tint-black {
  filter: brightness(0.55) saturate(0.45) contrast(1.05);
}

.skin-tint-gray {
  filter: grayscale(0.85) brightness(0.98);
}

.skin-tint-white {
  filter: brightness(1.18) saturate(0.35) contrast(0.95);
}

.skin h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  color: var(--ink);
  margin-bottom: 4px;
}

.skin p {
  font-size: 13.5px;
  color: var(--muted);
}

/* Presence */
.presence-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.presence-visual {
  position: relative;
  border-radius: var(--r-xl);
  overflow: hidden;
  aspect-ratio: 16 / 11;
  background:
    linear-gradient(145deg, #1e2233, #12141f),
    var(--shell);
  box-shadow: var(--shadow-lg);
}

.presence-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(circle at 60% 45%, #000 0%, transparent 70%);
}

.presence-pet {
  position: absolute;
  right: 6%;
  bottom: 6%;
  width: 46%;
  animation: petBob 4s ease-in-out infinite;
  filter: drop-shadow(0 18px 28px rgba(0, 0, 0, 0.35));
  object-fit: contain;
}

.presence-panel {
  position: absolute;
  left: 8%;
  top: 18%;
  width: min(48%, 260px);
  background: color-mix(in srgb, #fff 92%, transparent);
  backdrop-filter: blur(10px);
  border-radius: var(--r-md);
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: var(--shadow-md);
  animation: panelIn 0.8s var(--ease-out) both;
}

.presence-panel strong {
  display: block;
  font: 600 14px/1.3 var(--font-body);
  color: var(--ink);
  margin-bottom: 4px;
}

.presence-panel span {
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.45;
}

.point-list {
  display: flex;
  flex-direction: column;
  gap: 22px;
  margin-top: 28px;
}

.point {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
}

.point-num {
  font: 500 13px/1 var(--font-mono);
  color: var(--mint);
  letter-spacing: 0.08em;
  padding-top: 4px;
}

.point b {
  display: block;
  font: 600 16px/1.3 var(--font-display);
  color: var(--ink);
  letter-spacing: -0.01em;
  margin-bottom: 4px;
}

.point p {
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.55;
}

/* Toolkit strip */
.toolkit {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.tool {
  background: var(--surface);
  padding: 28px 22px;
  min-height: 148px;
}

/* LAN Party */
.party-sec {
  background:
    radial-gradient(ellipse at 12% 20%, color-mix(in srgb, var(--accent) 8%, transparent), transparent 42%),
    radial-gradient(ellipse at 90% 80%, color-mix(in srgb, var(--mint) 8%, transparent), transparent 40%),
    var(--bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.party-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
}

.party-mock {
  background: var(--shell);
  color: #fff;
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.party-mock-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font: 600 13px/1 var(--font-body);
}

.party-mock-bar .live {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font: 500 12px/1 var(--font-mono);
  color: color-mix(in srgb, #fff 75%, transparent);
  letter-spacing: 0.04em;
}

.party-mock-bar .live i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--mint) 45%, transparent);
  animation: heartbeat 2s ease-in-out infinite;
}

.party-mock-body {
  display: grid;
  grid-template-columns: 1.35fr 0.9fr;
  gap: 12px;
  padding: 14px;
  min-height: 280px;
}

.party-screen {
  position: relative;
  border-radius: var(--r-md);
  background: linear-gradient(160deg, #243047, #171b29);
  overflow: hidden;
  min-height: 240px;
  display: grid;
  place-items: center;
}

.party-screen-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(circle at 50% 45%, #000 20%, transparent 75%);
}

.party-screen-label {
  position: relative;
  z-index: 1;
  font: 500 13px/1 var(--font-mono);
  letter-spacing: 0.08em;
  color: color-mix(in srgb, #fff 55%, transparent);
}

.party-coach-card {
  background: #1f2435;
  border: 1px solid #30364a;
  border-radius: var(--r-md);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.party-coach-head {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.party-coach-head strong {
  font: 600 15px/1.2 var(--font-display);
}

.party-coach-head span {
  font: 500 11px/1 var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mint);
}

.party-tips {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.party-tips li {
  font-size: 12.5px;
  line-height: 1.45;
  color: color-mix(in srgb, #fff 78%, transparent);
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.party-mock-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  padding: 12px 18px 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 12.5px;
  color: color-mix(in srgb, #fff 55%, transparent);
}

.party-points {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.party-points .btn {
  align-self: flex-start;
  margin-top: 8px;
}

@keyframes heartbeat {
  0%,
  100% {
    opacity: 1;
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--mint) 40%, transparent);
  }
  50% {
    opacity: 0.7;
    box-shadow: 0 0 0 6px transparent;
  }
}

/* Scenarios */
.scen-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.scen {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform var(--dur-2) var(--ease-out), box-shadow var(--dur-2);
}

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

.scen-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font: 500 11.5px/1 var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.scen-tag .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.scen-tag .dot.coral { background: var(--accent); }
.scen-tag .dot.mint { background: var(--mint); }
.scen-tag .dot.amber { background: var(--amber); }

.scen h3 {
  font: 600 22px/1.25 var(--font-display);
  color: var(--ink);
  letter-spacing: -0.015em;
}

.scen p {
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.6;
}

.tool h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  color: var(--ink);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.tool p {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.55;
}

/* Download */
.download {
  padding: 96px 0 110px;
}

.download-box {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: clamp(40px, 6vw, 72px);
  text-align: center;
  background:
    radial-gradient(circle at 85% 15%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 42%),
    radial-gradient(circle at 12% 88%, color-mix(in srgb, var(--mint) 12%, transparent), transparent 40%),
    var(--surface);
  box-shadow: var(--shadow-md);
}

.download-box .sec-title {
  margin-bottom: 12px;
}

.download-box .sec-desc {
  margin: 0 auto 28px;
}

.download-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}

.download-meta {
  font-size: 13px;
  color: var(--muted);
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 56px 0 28px;
}

.footer-top {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  text-align: center;
  margin-bottom: 36px;
}

.footer-slogan {
  font-size: 14px;
  color: var(--muted);
  max-width: 42ch;
  line-height: 1.65;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 26px;
  font-size: 14px;
  color: var(--muted);
}

.footer-links a:hover {
  color: var(--fg);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 20px;
  font-size: 12.5px;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 12px;
  text-align: center;
}

.footer-bottom a:hover {
  color: var(--fg);
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity var(--dur-3) var(--ease-out),
    transform var(--dur-3) var(--ease-out);
}

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

.reveal-stagger > * {
  opacity: 0;
  transform: translateY(12px);
  transition:
    opacity var(--dur-3) var(--ease-out),
    transform var(--dur-3) var(--ease-out);
}

.reveal-stagger.in > * {
  opacity: 1;
  transform: none;
}

.reveal-stagger.in > *:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger.in > *:nth-child(2) { transition-delay: 70ms; }
.reveal-stagger.in > *:nth-child(3) { transition-delay: 140ms; }
.reveal-stagger.in > *:nth-child(4) { transition-delay: 210ms; }
.reveal-stagger.in > *:nth-child(5) { transition-delay: 280ms; }
.reveal-stagger.in > *:nth-child(6) { transition-delay: 350ms; }
.reveal-stagger.in > *:nth-child(7) { transition-delay: 420ms; }
.reveal-stagger.in > *:nth-child(8) { transition-delay: 490ms; }

.hero-load {
  opacity: 0;
  transform: translateY(10px);
  animation: heroIn var(--dur-4) var(--ease-out) forwards;
}

.hero-load.d1 { animation-delay: 40ms; }
.hero-load.d2 { animation-delay: 120ms; }
.hero-load.d3 { animation-delay: 200ms; }
.hero-load.d4 { animation-delay: 280ms; }

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal,
  .reveal-stagger > *,
  .hero-load {
    opacity: 1 !important;
    transform: none !important;
  }
}

@media (max-width: 960px) {
  .nav-links,
  .nav-text-link {
    display: none;
  }

  .hero {
    padding: 88px 0 40px;
    min-height: auto;
  }

  .hero-shell {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .hero-stage {
    order: -1;
    min-height: 280px;
  }

  .hero-mascot-img {
    width: min(78%, 360px);
  }

  .hero-copy {
    max-width: 100%;
    padding: 8px 0 28px;
  }

  .feat-grid,
  .scen-grid,
  .party-layout {
    grid-template-columns: 1fr;
  }

  .party-mock-body {
    grid-template-columns: 1fr;
  }

  .breath-grid,
  .presence-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

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

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

  .sec {
    padding: 72px 0;
  }

  .breath {
    padding: 80px 0;
  }
}

@media (max-width: 600px) {
  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-cta .btn,
  .hero-more {
    width: 100%;
    text-align: center;
  }

  .hero-more {
    border-bottom: none;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: var(--r-md);
  }

  .feat-grid,
  .scen-grid,
  .skin-grid,
  .toolkit {
    grid-template-columns: 1fr;
  }

  .presence-panel {
    width: min(70%, 220px);
  }
}