:root {
  color-scheme: light dark;
  --font-display: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-body: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --bg: #f4efe8;
  --bg-soft: #fffaf3;
  --panel: rgba(255, 253, 248, 0.78);
  --panel-solid: #fffdf8;
  --panel-alt: #edf6f3;
  --text: #132125;
  --text-muted: #5a6a6e;
  --line: rgba(19, 33, 37, 0.12);
  --line-strong: rgba(19, 33, 37, 0.2);
  --accent: #0f766e;
  --accent-secondary: #15998f;
  --accent-strong: #0b5f59;
  --accent-soft: rgba(15, 118, 110, 0.12);
  --accent-warm: #db7f38;
  --shadow-lg: 0 28px 70px rgba(34, 45, 49, 0.12);
  --shadow-md: 0 18px 42px rgba(34, 45, 49, 0.08);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 14px;
}

html[data-theme='dark'],
body[data-theme='dark'] {
  --bg: #070812;
  --bg-soft: #0d1020;
  --panel: rgba(18, 22, 40, 0.8);
  --panel-solid: #12152a;
  --panel-alt: #171b34;
  --text: #f3f4ff;
  --text-muted: #adb2cf;
  --line: rgba(255, 255, 255, 0.1);
  --line-strong: rgba(255, 255, 255, 0.18);
  --accent: #8c7bff;
  --accent-secondary: #4e63ea;
  --accent-strong: #cdc3ff;
  --accent-soft: rgba(140, 123, 255, 0.18);
  --accent-warm: #da78ff;
  --shadow-lg: 0 28px 70px rgba(0, 0, 0, 0.34);
  --shadow-md: 0 18px 42px rgba(0, 0, 0, 0.26);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  min-height: 100%;
  background: var(--bg);
}

body {
  position: relative;
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  font-family: var(--font-body);
  background:
    radial-gradient(circle at top left, rgba(219, 127, 56, 0.12), transparent 28%),
    radial-gradient(circle at top right, rgba(15, 118, 110, 0.14), transparent 34%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

body[data-theme='dark'] {
  background:
    radial-gradient(circle at 10% -10%, rgba(112, 14, 255, 0.24), transparent 35%),
    radial-gradient(circle at 90% 15%, rgba(0, 183, 255, 0.18), transparent 40%),
    radial-gradient(circle at 50% 80%, rgba(255, 0, 102, 0.08), transparent 45%),
    var(--bg);
}

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

button,
input,
select,
textarea {
  font: inherit;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  letter-spacing: -0.04em;
  font-weight: 800;
}

html[lang='zh-CN'] h1,
html[lang='zh-CN'] h2,
html[lang='zh-CN'] h3 {
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2.8rem, 6vw, 5.6rem);
  line-height: 0.96;
  margin-bottom: 22px;
}

h2 {
  font-size: clamp(2rem, 3.7vw, 3.8rem);
  line-height: 1.02;
  margin-bottom: 14px;
}

h3 {
  font-size: 1.28rem;
  line-height: 1.18;
  margin-bottom: 12px;
}

p,
small,
label span,
.stage-body,
.mini-card span,
.feature-list-item span,
.journey-step p,
.support-item small,
.scenario-card p,
.spotlight-card p,
.mini-stat-label {
  color: var(--text-muted);
}

.site-backdrop {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.backdrop-orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(18px);
  opacity: 0.8;
  animation: floatOrb 16s ease-in-out infinite;
}

.orb-a {
  top: -140px;
  left: -60px;
  width: 320px;
  height: 320px;
  background: rgba(219, 127, 56, 0.18);
}

.orb-b {
  top: 18%;
  right: -120px;
  width: 380px;
  height: 380px;
  background: rgba(15, 118, 110, 0.16);
  animation-delay: -6s;
}

body[data-theme='dark'] .orb-b {
  background: rgba(93, 81, 228, 0.18);
}

.orb-c {
  bottom: 10%;
  left: 8%;
  width: 240px;
  height: 240px;
  background: rgba(112, 132, 255, 0.12);
  animation-delay: -10s;
}

body[data-theme='dark'] .orb-c {
  background: rgba(214, 120, 255, 0.14);
}

.backdrop-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.44), transparent 80%);
}

.container {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(18px);
  background: rgba(244, 239, 232, 0.68);
  border-bottom: 1px solid var(--line);
}

body[data-theme='dark'] .site-header {
  background: rgba(7, 8, 18, 0.72);
}

.nav-shell,
.footer-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 78px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.03em;
}

.brand-mark {
  display: block;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: var(--shadow-md);
}

.nav-links,
.header-actions,
.toolbar,
.footer-links,
.hero-proof,
.stage-pills,
.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.nav-links a,
.footer-links a {
  color: var(--text-muted);
  font-size: 0.96rem;
  transition: color 180ms ease, transform 180ms ease;
}

.nav-links a:hover,
.footer-links a:hover {
  color: var(--text);
  transform: translateY(-1px);
}

.header-actions {
  margin-left: auto;
}

.toggle,
.button,
.proof-chip,
.pill {
  border-radius: 999px;
  border: 1px solid var(--line);
}

.toggle {
  min-width: 46px;
  height: 46px;
  padding: 0 14px;
  cursor: pointer;
  background: var(--panel-solid);
  color: var(--text);
  box-shadow: var(--shadow-md);
}

.nav-download {
  min-height: 46px;
  padding: 0 18px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-md);
  white-space: nowrap;
}

body[data-theme='dark'] .nav-download {
  background: rgba(255, 255, 255, 0.04);
}

.hero-home {
  padding: 54px 0 34px;
}

.section,
.page-main {
  padding: 64px 0;
}

.page-shell {
  min-height: calc(100vh - 156px);
}

.page-main > .container + .container {
  margin-top: 26px;
}

.hero-grid,
.privacy-hero-grid,
.spotlight-shell,
.feedback-split-card,
.legal-layout {
  display: grid;
  gap: 28px;
}

.hero-grid,
.privacy-hero-grid,
.spotlight-shell {
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.98fr);
  align-items: center;
}

.privacy-hero-grid {
  align-items: start;
}

.hero-copy,
.page-hero-copy,
.roadmap-copy {
  position: relative;
  z-index: 1;
}

.hero-copy {
  max-width: 38rem;
}

.hero-copy h1 {
  max-width: 9.2em;
  font-size: clamp(3.1rem, 6vw, 5.15rem);
  line-height: 1.02;
  margin-bottom: 18px;
}

.hero-copy .lead {
  margin-bottom: 0;
}

.hero-copy .hero-actions {
  margin-top: 28px;
}

.hero-copy .hero-proof {
  display: grid;
  gap: 12px;
  margin-top: 24px;
  justify-items: start;
}

.hero-copy .proof-chip {
  position: relative;
  padding: 0 0 0 18px;
  border: none;
  border-radius: 0;
  background: none;
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.5;
  box-shadow: none;
}

body[data-theme='dark'] .hero-copy .proof-chip {
  border: none;
  background: none;
}

.hero-copy .proof-chip::before {
  content: "";
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-warm) 100%);
  box-shadow: 0 0 0 5px var(--accent-soft);
}

.page-hero-copy > :first-child,
.card-heading > :first-child,
.feedback-info-panel > :first-child,
.roadmap-copy > :first-child,
.section-heading > :first-child {
  margin-top: 0;
}

.privacy-intro-card,
.privacy-overview-card,
.privacy-support-card {
  display: grid;
  gap: 18px;
}

.privacy-intro-card {
  padding: 34px;
}

.privacy-intro-card h1 {
  max-width: 560px;
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}

.privacy-intro-card .lead {
  margin-bottom: 0;
}

.privacy-intro-body {
  max-width: 720px;
  margin-bottom: 4px;
  font-size: 1rem;
  color: var(--text-muted);
}

.privacy-side-stack,
.privacy-overview-list {
  display: grid;
  gap: 18px;
}

.privacy-overview-card h2,
.privacy-support-card h2,
.legal-side-card h2 {
  font-size: clamp(1.45rem, 2.15vw, 2rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
  margin-bottom: 0;
}

.hero-kicker {
  margin-bottom: 16px;
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--accent);
}

html[lang='zh-CN'] .hero-kicker {
  letter-spacing: 0;
}

.eyebrow,
.card-kicker,
.scenario-label,
.stage-label,
.stage-tag,
.note-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  width: fit-content;
  max-width: 100%;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.34);
  color: var(--text-muted);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  justify-self: start;
  align-self: flex-start;
}

html[lang='zh-CN'] .eyebrow,
html[lang='zh-CN'] .card-kicker,
html[lang='zh-CN'] .scenario-label,
html[lang='zh-CN'] .stage-label,
html[lang='zh-CN'] .stage-tag,
html[lang='zh-CN'] .note-label {
  letter-spacing: 0.02em;
  text-transform: none;
}

body[data-theme='dark'] .eyebrow,
body[data-theme='dark'] .card-kicker,
body[data-theme='dark'] .scenario-label,
body[data-theme='dark'] .stage-label,
body[data-theme='dark'] .stage-tag,
body[data-theme='dark'] .note-label {
  background: rgba(255, 255, 255, 0.03);
}

.eyebrow {
  margin-bottom: 18px;
}

.lead,
.section-heading p {
  max-width: 760px;
  font-size: 1.06rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 20px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.button:hover,
.toggle:hover {
  transform: translateY(-1px);
}

.button.primary {
  color: #ffffff;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-secondary) 45%, var(--accent-warm) 100%);
  border-color: transparent;
  box-shadow: 0 12px 24px var(--accent-soft);
  background-size: 200% 200%;
  transition: transform 240ms cubic-bezier(0.4, 0, 0.2, 1), background-position 400ms ease, box-shadow 240ms ease;
}

.button.primary:hover {
  background-position: 100% 100%;
  box-shadow: 0 16px 32px var(--accent-soft);
  transform: translateY(-2px) scale(1.02);
}

.button.secondary {
  background: transparent;
  color: var(--text);
}

.button.secondary:hover {
  border-color: var(--line-strong);
}

.proof-chip,
.pill {
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.38);
  color: var(--text);
  font-size: 0.92rem;
}

body[data-theme='dark'] .proof-chip,
body[data-theme='dark'] .pill {
  background: rgba(255, 255, 255, 0.03);
}

.hero-visual {
  position: relative;
  min-height: auto;
  display: grid;
  place-items: center;
}

.card {
  position: relative;
  overflow: hidden;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--panel);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  transition: transform 280ms cubic-bezier(0.4, 0, 0.2, 1), box-shadow 280ms cubic-bezier(0.4, 0, 0.2, 1), border-color 280ms ease;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.28), transparent 38%);
  pointer-events: none;
}

.stage-card {
  width: min(100%, 520px);
  padding: 30px;
}

.stage-header,
.page-hero-card,
.mini-stat,
.journey-step,
.support-item,
.feedback-tip {
  display: flex;
}

.stage-header {
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 22px;
}

.stage-main {
  display: grid;
  gap: 18px;
  margin-bottom: 22px;
}

.stage-title {
  margin-bottom: 12px;
  font-size: 1.28rem;
  font-weight: 800;
  line-height: 1.28;
}

.stage-mini-grid,
.metrics-grid,
.feature-grid,
.scenario-grid,
.privacy-summary-grid {
  display: grid;
  gap: 18px;
}

.stage-mini-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.mini-card,
.metric-card,
.feature-card,
.summary-card {
  padding: 18px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: var(--panel-solid);
}

.mini-card strong,
.feedback-tip strong,
.journey-step strong,
.feature-list-item strong {
  display: block;
  margin-bottom: 6px;
}

.mini-card.accent,
.metric-card:last-child {
  background: linear-gradient(135deg, var(--accent-soft), rgba(255, 255, 255, 0.16));
}

.metrics-section {
  padding: 18px 0 26px;
}

.metrics-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.metric-card h2 {
  margin-bottom: 10px;
  font-size: 1.35rem;
}

.metric-value,
.spotlight-index,
.step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  height: 48px;
  margin-bottom: 18px;
  padding: 0 14px;
  border-radius: 14px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 800;
  letter-spacing: 0.06em;
}

.section-heading {
  margin-bottom: 30px;
}

.showcase-grid {
  display: grid;
  gap: 22px;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
}

.card-heading {
  display: grid;
  gap: 14px;
  margin-bottom: 12px;
}

.feature-list,
.journey-steps,
.feedback-tips {
  display: grid;
  gap: 16px;
}

.feature-list-item,
.feedback-tip {
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.journey-step {
  align-items: flex-start;
  gap: 16px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.journey-step:first-child {
  padding-top: 0;
  border-top: none;
}

.step-index {
  margin-bottom: 0;
  flex-shrink: 0;
}

.section-soft {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.16), transparent 18%), var(--bg-soft);
}

.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card {
  transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.feature-card,
.scenario-card,
.spotlight-card {
  display: grid;
  align-content: start;
  gap: 14px;
}

.feature-card > .icon-badge,
.scenario-card > .scenario-label,
.spotlight-card > .spotlight-index {
  margin-bottom: 0;
  justify-self: start;
}

.feature-card > h3,
.scenario-card > h3,
.spotlight-card > h3,
.feature-card > p,
.scenario-card > p,
.spotlight-card > p {
  margin-bottom: 0;
}

.feature-card:hover,
.scenario-card:hover,
.support-item:hover,
.summary-card:hover {
  transform: translateY(-6px) scale(1.01);
  border-color: rgba(15, 118, 110, 0.2);
  box-shadow: 0 32px 64px rgba(34, 45, 49, 0.16);
}

body[data-theme='dark'] .feature-card:hover,
body[data-theme='dark'] .scenario-card:hover,
body[data-theme='dark'] .support-item:hover,
body[data-theme='dark'] .summary-card:hover {
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 32px 74px rgba(0, 0, 0, 0.4), 0 0 40px rgba(140, 123, 255, 0.08);
}

.icon-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: 18px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent-soft), rgba(219, 127, 56, 0.16));
  color: var(--accent);
  font-weight: 800;
  letter-spacing: 0.06em;
  line-height: 1;
  text-align: center;
}

.spotlight-panels {
  display: grid;
  gap: 16px;
}

.spotlight-card h3 {
  margin-bottom: 10px;
}

.support-grid-modern,
.scenario-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.support-item,
.mini-stat {
  flex-direction: column;
  gap: 10px;
}

.privacy-overview-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.privacy-overview-item:first-child {
  padding-top: 0;
  border-top: none;
}

.privacy-overview-item .icon-badge {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  padding: 0;
  margin-bottom: 0;
  border-radius: 14px;
  flex-shrink: 0;
  font-size: 0.86rem;
  letter-spacing: 0.02em;
  line-height: 1;
  text-align: center;
}

.privacy-overview-item strong,
.privacy-overview-item span {
  display: block;
}

.privacy-overview-item span {
  margin-top: 4px;
  color: var(--text-muted);
}

.privacy-feature-grid .icon-badge {
  font-size: 0.86rem;
  letter-spacing: 0.02em;
}

html[lang='zh-CN'] .privacy-overview-item .icon-badge,
html[lang='zh-CN'] .privacy-feature-grid .icon-badge {
  letter-spacing: 0;
}

.privacy-feature-grid h3,
.prose-block h2 {
  letter-spacing: -0.01em;
}

.privacy-feature-grid .feature-card {
  min-height: 100%;
}

.privacy-support-card .button {
  width: auto;
}

.privacy-support-card .eyebrow {
  justify-self: start;
}

.support-item {
  min-height: 152px;
  justify-content: center;
}

.support-item span {
  font-size: 1.14rem;
  font-weight: 800;
}

.scenario-card {
  min-height: 260px;
}

.roadmap-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.roadmap-card .hero-actions {
  justify-content: flex-end;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.18);
}

body[data-theme='dark'] .site-footer {
  background: rgba(255, 255, 255, 0.02);
}

.page-hero-card {
  align-items: stretch;
  justify-content: space-between;
  gap: 24px;
  padding: 30px;
}

.page-hero-copy {
  flex: 1;
}

.page-hero-copy h1 {
  max-width: 700px;
  font-size: clamp(2.35rem, 4.8vw, 4.5rem);
  line-height: 1.02;
  margin-bottom: 10px;
}

.page-hero-aside {
  display: grid;
  gap: 14px;
  width: min(100%, 360px);
}

.mini-stat {
  padding: 20px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: var(--panel-solid);
}

.mini-stat strong {
  font-size: 1rem;
  line-height: 1.4;
}

.feedback-grid {
  gap: 20px;
}

.prose-block {
  display: block;
}

.feedback-split-card,
.legal-layout {
  grid-template-columns: minmax(280px, 0.88fr) minmax(0, 1.12fr);
  align-items: start;
}

.feedback-info-panel {
  display: grid;
  gap: 14px;
  align-content: start;
}

.feedback-info-panel h2 {
  margin-bottom: 8px;
}

.feedback-info-panel p,
.page-hero-copy .lead {
  margin-bottom: 0;
}

.feedback-form {
  display: grid;
  gap: 18px;
}

.feedback-form label {
  display: grid;
  gap: 8px;
  font-weight: 700;
}

.feedback-form input,
.feedback-form textarea,
.feedback-form select {
  width: 100%;
  padding: 15px 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.52);
  color: var(--text);
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

body[data-theme='dark'] .feedback-form input,
body[data-theme='dark'] .feedback-form textarea,
body[data-theme='dark'] .feedback-form select {
  background: rgba(255, 255, 255, 0.03);
}

.feedback-form input:focus,
.feedback-form textarea:focus,
.feedback-form select:focus {
  outline: none;
  border-color: rgba(15, 118, 110, 0.42);
  box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.12);
}

.privacy-summary-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.legal-main {
  display: grid;
  gap: 18px;
}

.legal-side {
  position: sticky;
  top: 108px;
}

.legal-side-card {
  display: grid;
  gap: 18px;
}

.status-card {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.modern-status-card {
  padding: 42px 34px;
}

.centered {
  justify-content: center;
}

.reveal-on-scroll {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 640ms ease, transform 640ms ease;
}

.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 {
  transition-delay: 90ms;
}

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

.delay-3 {
  transition-delay: 270ms;
}

@keyframes floatOrb {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }

  50% {
    transform: translate3d(12px, 20px, 0) scale(1.05);
  }
}

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

  .backdrop-orb,
  .reveal-on-scroll {
    animation: none;
    transition: none;
    transform: none;
    opacity: 1;
  }
}

@media (max-width: 1080px) {
  .metrics-grid,
  .privacy-summary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feature-grid,
  .support-grid-modern,
  .scenario-grid,
  .stage-mini-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .showcase-grid,
  .hero-grid,
  .privacy-hero-grid,
  .spotlight-shell,
  .feedback-split-card,
  .legal-layout {
    grid-template-columns: 1fr;
  }

  .roadmap-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .roadmap-card .hero-actions {
    justify-content: flex-start;
  }

  .legal-side {
    position: static;
  }
}

@media (max-width: 780px) {
  .container {
    width: min(100% - 24px, 1160px);
  }

  .nav-shell,
  .footer-shell {
    min-height: auto;
    padding: 16px 0;
    flex-wrap: wrap;
  }

  .nav-links {
    order: 3;
    width: 100%;
  }

  .header-actions {
    margin-left: 0;
  }

  .hero-home,
  .section,
  .page-main {
    padding: 48px 0;
  }

  .page-main > .container + .container {
    margin-top: 20px;
  }

  .hero-visual {
    min-height: auto;
    padding-top: 24px;
  }

  .page-hero-card {
    flex-direction: column;
  }

  .hero-copy {
    max-width: none;
  }
}

@media (max-width: 640px) {
  h1 {
    font-size: clamp(2.2rem, 14vw, 3.3rem);
  }

  h2 {
    font-size: clamp(1.76rem, 10vw, 2.4rem);
  }

  .card {
    padding: 22px;
    border-radius: 24px;
  }

  .metrics-grid,
  .feature-grid,
  .support-grid-modern,
  .scenario-grid,
  .privacy-summary-grid,
  .stage-mini-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions,
  .toolbar,
  .footer-links {
    width: 100%;
  }

  .button {
    width: 100%;
  }

  .header-actions .button {
    width: auto;
  }

  .hero-copy .hero-actions {
    margin-top: 24px;
  }

  .hero-copy .hero-proof {
    margin-top: 22px;
  }

  .hero-copy h1 {
    max-width: none;
    font-size: clamp(2.2rem, 12vw, 3.45rem);
    line-height: 1.05;
  }
}