:root {
  --bg: #f4efe8;
  --bg-deep: #121726;
  --surface: rgba(255, 255, 255, 0.74);
  --surface-strong: rgba(255, 255, 255, 0.92);
  --text: #152033;
  --muted: #5d687d;
  --border: rgba(21, 32, 51, 0.1);
  --shadow: 0 30px 70px rgba(16, 22, 36, 0.12);
  --accent: #0d9488;
  --accent-soft: rgba(13, 148, 136, 0.12);
  --accent-strong: #0f766e;
  --display: "Fraunces", Georgia, "Times New Roman", serif;
  --display-cjk: "Iowan Old Style", "Noto Serif SC", "Songti SC", "STSong",
    "Source Han Serif SC", "Noto Serif JP", "Hiragino Mincho ProN",
    "Noto Serif KR", "AppleMyungjo", serif;
  --body: "Manrope", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC",
    "Microsoft YaHei", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  --max: 1200px;
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(15, 154, 136, 0.14), transparent 24%),
    radial-gradient(circle at top right, rgba(107, 170, 160, 0.1), transparent 28%),
    linear-gradient(180deg, #f6fbf8 0%, #edf5f2 100%);
  font: 500 16px/1.6 var(--body);
}

.theme-home {
  --accent: #0f9a88;
  --accent-soft: rgba(15, 154, 136, 0.12);
  --accent-strong: #0d7e70;
  background:
    radial-gradient(circle at top left, rgba(15, 154, 136, 0.14), transparent 24%),
    radial-gradient(circle at top right, rgba(125, 196, 186, 0.14), transparent 28%),
    linear-gradient(180deg, #f6fbf8 0%, #eef6f3 100%);
}

.theme-amitia {
  --accent: #0f9a88;
  --accent-soft: rgba(15, 154, 136, 0.12);
  --accent-strong: #0d7e70;
  background:
    radial-gradient(circle at top left, rgba(15, 154, 136, 0.16), transparent 25%),
    radial-gradient(circle at 85% 0%, rgba(175, 220, 215, 0.55), transparent 24%),
    linear-gradient(180deg, #f4fbf9 0%, #eef7f4 100%);
}

.theme-deskvault {
  --accent: #3b82f6;
  --accent-soft: rgba(59, 130, 246, 0.12);
  --accent-strong: #265fbd;
  background:
    radial-gradient(circle at top left, rgba(15, 154, 136, 0.12), transparent 24%),
    radial-gradient(circle at top right, rgba(59, 130, 246, 0.16), transparent 28%),
    linear-gradient(180deg, #f5fbf9 0%, #edf4f8 100%);
}

.theme-neutral {
  --accent: #0f9a88;
  --accent-soft: rgba(15, 154, 136, 0.12);
  --accent-strong: #0d7e70;
}

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

img {
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  padding: 0;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--surface-strong) 92%, transparent) 0%,
    color-mix(in srgb, var(--surface) 76%, transparent) 100%
  );
  backdrop-filter: blur(18px);
}

.header-shell {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 14px;
  padding: 12px 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: block;
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  border-radius: 12px;
  box-shadow:
    0 12px 28px rgba(15, 34, 58, 0.18),
    inset 0 0 0 1px rgba(255, 255, 255, 0.08);
  object-fit: cover;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.brand-copy strong {
  font-size: 0.92rem;
}

.brand-copy span {
  font-size: 0.76rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.main-nav,
.button-row,
.pill-list {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.main-nav {
  min-width: 0;
}

.nav-ribbon {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  min-width: 0;
  padding: 5px;
  border: 1px solid color-mix(in srgb, var(--border) 94%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface-strong) 90%, transparent);
}

.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 16px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  transition:
    color 180ms ease,
    background-color 180ms ease,
    box-shadow 180ms ease;
}

.nav-link:hover,
.text-link:hover,
.footer-links a:hover {
  color: var(--accent-strong);
}

.nav-link:hover {
  background: color-mix(in srgb, var(--accent) 10%, white 90%);
}

.nav-link.is-active {
  color: var(--accent-strong);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 12%, white) 0%, rgba(255, 255, 255, 0.88) 100%);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 18%, transparent);
}

.locale-menu {
  position: relative;
  justify-self: end;
}

.locale-summary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 38px;
  min-width: 58px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface-strong) 88%, transparent);
  color: var(--text);
  cursor: pointer;
  list-style: none;
  font-size: 0.82rem;
  font-weight: 800;
}

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

.locale-summary::marker {
  display: none;
}

.locale-summary-code {
  letter-spacing: 0.06em;
}

.locale-caret {
  width: 8px;
  height: 8px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-1px);
  transition: transform 180ms ease;
}

.locale-menu[open] .locale-caret {
  transform: rotate(-135deg) translateY(-1px);
}

.locale-menu[open] .locale-summary {
  border-color: color-mix(in srgb, var(--accent) 24%, transparent);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 10%, transparent);
}

.locale-list {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  min-width: 184px;
  display: grid;
  gap: 4px;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: color-mix(in srgb, var(--surface-strong) 96%, transparent);
  box-shadow: 0 22px 40px rgba(16, 22, 36, 0.1);
}

.locale-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 12px;
  border-radius: 12px;
  color: var(--text);
}

.locale-option:hover {
  background: color-mix(in srgb, var(--accent) 8%, white 92%);
}

.locale-option.is-active {
  background: color-mix(in srgb, var(--accent) 12%, white 88%);
}

.locale-option-label {
  font-size: 0.92rem;
  font-weight: 700;
}

.locale-option-code {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.locale-option.is-active .locale-option-code {
  color: var(--accent-strong);
}

main {
  padding: 24px;
}

.hero,
.section,
.site-footer,
.gateway {
  max-width: var(--max);
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 36px;
  align-items: center;
  padding: 72px 0 32px;
}

.hero-product {
  grid-template-columns: minmax(0, 1.18fr) minmax(280px, 0.82fr);
  gap: 44px;
}

.hero-compact {
  grid-template-columns: minmax(0, 1fr);
  padding-top: 72px;
}

.hero-copy h1,
.section-intro h2,
.gateway-card h1,
.final-band h2 {
  margin: 0;
  font-family: var(--display);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.hero-copy h1 {
  font-size: clamp(2.9rem, 5vw, 5.4rem);
}

.hero-home .hero-copy h1 {
  font-size: clamp(2.7rem, 4.2vw, 4.4rem);
  max-width: 12.6ch;
}

.hero-product .title-stack {
  gap: 0.12em;
  max-width: 100%;
}

.hero-product .title-line {
  max-width: none;
}

.hero-product .title-line-2 {
  margin-left: 0;
  padding-left: 0;
  border-left: 0;
  font-size: 1em;
  color: color-mix(in srgb, var(--text) 92%, var(--accent) 8%);
}

.locale-zh .hero-home .hero-copy h1 {
  max-width: 8.2ch;
}

.locale-zh .hero-copy h1,
.locale-zh .section-intro h2,
.locale-ja .hero-copy h1,
.locale-ja .section-intro h2,
.locale-ko .hero-copy h1,
.locale-ko .section-intro h2,
.locale-zh .gateway-card h1,
.locale-ja .gateway-card h1,
.locale-ko .gateway-card h1,
.locale-zh .final-band h2,
.locale-ja .final-band h2,
.locale-ko .final-band h2 {
  font-family: var(--display-cjk);
  line-height: 1.1;
  letter-spacing: -0.05em;
}

.locale-zh .hero-product .hero-copy h1,
.locale-ja .hero-product .hero-copy h1,
.locale-ko .hero-product .hero-copy h1 {
  font-size: clamp(2.2rem, 4.2vw, 3.75rem);
  max-width: 10em;
  line-height: 1.08;
}

.locale-zh .hero-product .hero-copy h1 {
  font-size: clamp(2.55rem, 4.45vw, 4.15rem);
  max-width: 10.2em;
  letter-spacing: -0.06em;
}

.theme-amitia.locale-zh .hero-product .title-stack {
  max-width: 9.5em;
}

.theme-amitia.locale-zh .hero-product .title-line {
  white-space: nowrap;
}

.theme-amitia.locale-zh .hero-product .title-line-2 {
  font-size: 0.9em;
  color: color-mix(in srgb, var(--text) 94%, var(--accent) 6%);
}

.theme-deskvault.locale-zh .hero-product .hero-copy h1 {
  max-width: 11.2em;
}

.title-stack {
  display: flex;
  flex-direction: column;
  gap: 0.18em;
}

.title-line {
  display: block;
  max-width: max-content;
}

.title-line-1 {
  color: color-mix(in srgb, var(--text) 92%, var(--accent) 8%);
}

.title-line-2 {
  color: var(--accent-strong);
  margin-left: clamp(0.5rem, 1vw, 1rem);
  padding-left: clamp(0.8rem, 1.2vw, 1.1rem);
  border-left: 3px solid color-mix(in srgb, var(--accent) 30%, transparent);
  font-size: 0.82em;
}

.hero-compact .hero-copy h1 {
  font-size: clamp(2.4rem, 4vw, 4rem);
}

.section-intro h2,
.final-band h2 {
  font-size: clamp(2rem, 3vw, 3.4rem);
}

.eyebrow,
.section-eyebrow,
.product-badge,
.visual-kicker,
.footer-kicker,
.screenshot-id,
.feature-shot {
  margin: 0 0 14px;
  color: var(--accent-strong);
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.lede,
.section-intro p,
.hero-copy p,
.signal-card p,
.product-card p,
.principle-card p,
.feature-card p,
.audience-card p,
.screenshot-card p,
.faq-item p,
.policy-card p,
.hero-visual-card p {
  color: var(--muted);
  font-size: 1.03rem;
}

.hero-copy .lede {
  max-width: 58ch;
}

.hero-subsection {
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid color-mix(in srgb, var(--border) 92%, transparent);
}

.hero-subsection h2 {
  margin: 0 0 16px;
  font-family: var(--display);
  font-size: clamp(1.35rem, 2vw, 1.8rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.locale-zh .hero-subsection h2,
.locale-ja .hero-subsection h2,
.locale-ko .hero-subsection h2 {
  font-family: var(--display-cjk);
  line-height: 1.2;
}

.hero-subsection .section-eyebrow {
  margin-bottom: 10px;
}

.hero-subsection .pain-strip {
  margin-top: 0;
}

.locale-zh .hero-product .hero-copy .lede {
  max-width: 33em;
  font-size: 1rem;
  line-height: 1.78;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid color-mix(in srgb, var(--accent) 18%, transparent);
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent) 0%, color-mix(in srgb, var(--accent) 74%, white) 100%);
  color: white;
  font-weight: 700;
  box-shadow: 0 18px 30px color-mix(in srgb, var(--accent) 18%, transparent);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    filter 180ms ease,
    background 180ms ease;
}

.button-secondary {
  background: var(--surface-strong);
  color: var(--text);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 10%, transparent);
}

.button-disabled {
  border-color: var(--border);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(239, 244, 251, 0.94) 100%);
  color: var(--muted);
  box-shadow: none;
  cursor: not-allowed;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 22px 36px color-mix(in srgb, var(--accent) 22%, transparent);
  filter: saturate(1.04);
}

.button-disabled:hover {
  transform: none;
  box-shadow: none;
  filter: none;
}

.button-secondary:hover {
  background: color-mix(in srgb, var(--accent) 8%, white 92%);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 18%, transparent);
}

.app-store-note,
.footer-small {
  color: var(--muted);
  font-size: 0.88rem;
}

.hero-visual {
  position: relative;
}

.home-visual {
  align-self: stretch;
}

.contrast-shell,
.signal-card,
.product-card,
.principle-card,
.feature-card,
.audience-card,
.screenshot-card,
.policy-card,
.hero-visual-card,
.trust-panel,
.gateway-card,
.final-band-shell {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
}

.contrast-shell {
  position: relative;
  display: grid;
  gap: 22px;
  min-height: 100%;
  overflow: hidden;
  background:
    radial-gradient(circle at top left, rgba(15, 154, 136, 0.1), transparent 28%),
    radial-gradient(circle at top right, rgba(59, 130, 246, 0.14), transparent 30%),
    linear-gradient(180deg, color-mix(in srgb, var(--surface-strong) 92%, transparent) 0%, var(--surface) 100%);
}

.contrast-shell::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, rgba(15, 154, 136, 0.56) 0%, rgba(59, 130, 246, 0.56) 100%);
}

.contrast-header {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.contrast-bridge {
  margin: 0;
  max-width: 22ch;
  font-family: var(--display);
  font-size: clamp(1.4rem, 2vw, 1.85rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.contrast-tags {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 10px;
  max-width: 280px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.contrast-tags li {
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface-strong) 92%, transparent);
  color: var(--text);
  font-size: 0.84rem;
  font-weight: 700;
}

.contrast-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.contrast-card {
  position: relative;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
  padding: 24px;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  overflow: hidden;
}

.contrast-card-link {
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease;
}

.contrast-card-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 24px 42px rgba(16, 22, 36, 0.12);
}

.contrast-card::before {
  content: "";
  position: absolute;
  inset: auto -36px -36px auto;
  width: 128px;
  height: 128px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  filter: blur(8px);
}

.contrast-card::after {
  content: "";
  position: absolute;
  inset: 18px 18px auto auto;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.5;
}

.contrast-card h3,
.signal-card h3,
.product-card h3,
.principle-card h3,
.feature-card h3,
.audience-card h3,
.screenshot-card h3,
.policy-card h3,
.hero-visual-card h3 {
  margin: 0 0 10px;
  font-size: 1.35rem;
  line-height: 1.2;
}

.contrast-card-top {
  position: relative;
  z-index: 1;
}

.contrast-card-top .visual-kicker {
  margin-bottom: 12px;
}

.contrast-lines {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 12px;
}

.contrast-line {
  display: block;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid transparent;
  font-size: 0.95rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.contrast-card-amitia {
  background:
    radial-gradient(circle at top left, rgba(15, 154, 136, 0.34), transparent 34%),
    radial-gradient(circle at bottom right, rgba(255, 227, 187, 0.34), transparent 42%),
    linear-gradient(180deg, rgba(255, 252, 247, 0.98) 0%, rgba(239, 248, 243, 0.96) 100%);
  color: #173a31;
  box-shadow:
    inset 0 0 0 1px rgba(15, 154, 136, 0.18),
    0 18px 38px rgba(16, 22, 36, 0.08);
}

.contrast-card-amitia .visual-kicker {
  color: #0d7e70;
}

.contrast-card-amitia .contrast-line {
  border-color: rgba(15, 154, 136, 0.16);
  background: rgba(255, 255, 255, 0.8);
  color: #18453a;
}

.contrast-card-deskvault {
  background:
    radial-gradient(circle at top right, rgba(164, 206, 255, 0.42), transparent 38%),
    radial-gradient(circle at bottom left, rgba(118, 154, 222, 0.24), transparent 42%),
    linear-gradient(180deg, rgba(68, 86, 126, 0.9) 0%, rgba(86, 105, 148, 0.88) 100%);
  color: #f7faff;
  box-shadow:
    inset 0 0 0 1px rgba(196, 220, 255, 0.22),
    0 14px 24px rgba(16, 22, 36, 0.08);
}

.contrast-card-deskvault .visual-kicker {
  color: #d5e6ff;
}

.contrast-card-deskvault .contrast-line {
  border-color: rgba(206, 226, 255, 0.22);
  background: rgba(255, 255, 255, 0.18);
  color: #f8fbff;
}

.contrast-cta {
  position: relative;
  z-index: 1;
  margin-top: auto;
  background: rgba(255, 255, 255, 0.78);
  color: inherit;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.22);
}

.contrast-card-deskvault .contrast-cta {
  background: rgba(255, 255, 255, 0.22);
  color: #fbfdff;
}

.privacy-section + .privacy-section {
  padding-top: 8px;
}

.policy-link-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.policy-index-card {
  justify-content: space-between;
}

.policy-index-card .text-link {
  margin-top: auto;
}

.device-frame {
  padding: 22px;
  border-radius: 36px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, color-mix(in srgb, var(--surface-strong) 92%, transparent) 0%, var(--surface) 100%);
  box-shadow: var(--shadow);
}

.device-iphone {
  max-width: 360px;
  margin: 0 auto;
}

.device-desktop {
  max-width: 520px;
  margin: 0 auto;
  border-radius: 30px;
}

.device-topbar {
  height: 18px;
  width: 100%;
  margin-bottom: 18px;
  border-radius: 999px;
  background: linear-gradient(90deg, color-mix(in srgb, var(--accent) 55%, white) 0%, rgba(255, 255, 255, 0.12) 100%);
}

.device-content {
  display: grid;
  gap: 12px;
}

.device-line {
  min-height: 72px;
  padding: 18px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background:
    linear-gradient(135deg, var(--accent-soft) 0%, color-mix(in srgb, var(--surface-strong) 85%, transparent) 100%);
  font-weight: 700;
}

.signal-card,
.product-card,
.principle-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow: hidden;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease;
}

.signal-card::before,
.product-card::before,
.principle-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, color-mix(in srgb, var(--accent) 42%, transparent) 0%, transparent 100%);
}

.signal-card::after,
.product-card::after,
.principle-card::after {
  content: "";
  position: absolute;
  inset: auto -26px -36px auto;
  width: 118px;
  height: 118px;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 12%, white) 0%, transparent 68%);
  pointer-events: none;
}

.signal-card > *,
.product-card > *,
.principle-card > * {
  position: relative;
  z-index: 1;
}

.signal-card:hover,
.product-card:hover,
.principle-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 34px 72px rgba(16, 22, 36, 0.14);
  border-color: color-mix(in srgb, var(--accent) 18%, var(--border));
}

.signal-card {
  background:
    radial-gradient(circle at top left, color-mix(in srgb, var(--accent) 10%, white) 0%, transparent 34%),
    var(--surface);
}

.product-card {
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--surface-strong) 94%, transparent) 0%, var(--surface) 100%);
}

.principle-card {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--accent) 7%, white) 0%, var(--surface) 100%);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
}

.signal-card p,
.product-card p,
.principle-card p {
  margin: 0;
}

.section {
  padding: 36px 0;
}

.section-intro {
  max-width: 720px;
  margin-bottom: 24px;
}

.section-intro-wide {
  max-width: 100%;
}

.section-intro-wide h2 {
  font-size: clamp(1.95rem, 2.6vw, 3rem);
  white-space: nowrap;
}

.section-intro.is-label-only {
  max-width: none;
  margin-bottom: 18px;
}

.section-intro.is-label-only .section-eyebrow {
  margin-bottom: 0;
}

.card-grid,
.feature-grid,
.product-grid,
.screenshot-grid {
  display: grid;
  gap: 20px;
}

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

.acquisition-blog .acquisition-card-grid,
.acquisition-entry .acquisition-card-grid {
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
}

.acquisition-entry .acquisition-content-grid {
  width: 100%;
  grid-template-columns: minmax(0, 1fr);
}

.acquisition-entry .acquisition-content-grid > .signal-card {
  grid-column: 1 / -1;
}

.acq-card {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--surface-strong) 94%, transparent) 0%,
    var(--surface) 100%
  );
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
}

.acq-card-kicker {
  margin: 0 0 12px;
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.feature-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.product-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.split-panel {
  display: grid;
  grid-template-columns: minmax(280px, 0.88fr) minmax(0, 1.12fr);
  gap: 20px;
  align-items: start;
}

.thesis-panel {
  padding: 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--accent) 10%, white) 0%, var(--surface) 100%);
  box-shadow: var(--shadow);
}

.product-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.product-platform {
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.84rem;
  font-weight: 700;
}

.bullet-list,
.pain-strip {
  margin: 0;
  padding-left: 1.1rem;
}

.bullet-list li,
.pain-strip li {
  margin-bottom: 10px;
  color: var(--muted);
}

.pill-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.pill-list li {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface-strong) 88%, transparent);
  color: var(--text);
  font-weight: 700;
}

.feature-card,
.policy-card {
  position: relative;
}

.product-cta,
.contrast-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  width: fit-content;
  padding: 0 16px;
  border-radius: 999px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.product-cta {
  margin-top: auto;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 16%, white) 0%, color-mix(in srgb, var(--accent) 7%, white) 100%);
  color: var(--accent-strong);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 16%, transparent);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease,
    color 180ms ease;
}

.product-cta:hover {
  transform: translateY(-1px);
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 22%, white) 0%, color-mix(in srgb, var(--accent) 10%, white) 100%);
  box-shadow:
    inset 0 0 0 1px color-mix(in srgb, var(--accent) 22%, transparent),
    0 10px 22px color-mix(in srgb, var(--accent) 14%, transparent);
}

.feature-shot,
.screenshot-id {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 24%, transparent);
  letter-spacing: 0.06em;
}

.hero-support-page {
  align-items: start;
}

.hero-visual-card,
.feature-card.has-media,
.screenshot-card.has-media {
  display: flex;
  flex-direction: column;
}

.app-shot-frame {
  margin-bottom: 18px;
  padding: 12px;
  border-radius: 22px;
  border: 1px solid color-mix(in srgb, var(--accent) 18%, transparent);
  background:
    radial-gradient(circle at top left, color-mix(in srgb, var(--accent) 10%, white) 0%, transparent 42%),
    linear-gradient(180deg, color-mix(in srgb, var(--surface-strong) 96%, transparent) 0%, rgba(231, 240, 248, 0.72) 100%);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.38);
}

.app-shot {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 18px;
  border: 1px solid rgba(20, 30, 48, 0.08);
  box-shadow: 0 16px 28px rgba(16, 22, 36, 0.12);
  background: white;
}

.audience-card,
.signal-card,
.product-card,
.principle-card,
.screenshot-card,
.hero-visual-card {
  min-height: 100%;
}

.product-card .bullet-list,
.principle-card p + p,
.signal-card p + p {
  margin-top: 2px;
}

.locale-zh .signal-card p,
.locale-zh .product-card p,
.locale-zh .principle-card p,
.locale-ja .signal-card p,
.locale-ja .product-card p,
.locale-ja .principle-card p,
.locale-ko .signal-card p,
.locale-ko .product-card p,
.locale-ko .principle-card p {
  line-height: 1.82;
}

.locale-zh .product-card h3,
.locale-zh .principle-card h3,
.locale-zh .signal-card h3 {
  letter-spacing: -0.03em;
}

.trust-panel {
  background:
    radial-gradient(circle at top right, color-mix(in srgb, var(--accent) 14%, transparent) 0%, transparent 32%),
    var(--surface);
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  padding: 0 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: 0 16px 30px rgba(10, 18, 33, 0.06);
}

.faq-item summary {
  padding: 20px 0;
  cursor: pointer;
  font-weight: 800;
  list-style: none;
}

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

.faq-item p {
  margin: 0 0 20px;
}

.text-link {
  color: var(--accent-strong);
  font-weight: 800;
}

.final-band {
  padding-bottom: 72px;
}

.final-band-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 12%, white) 0%, var(--surface) 100%);
}

.contact-value {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  color: var(--accent-strong);
  font-size: 1.2rem;
  font-weight: 800;
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--accent) 45%, transparent);
  text-underline-offset: 0.16em;
}

.contact-value:hover,
.contact-value:focus-visible {
  color: var(--accent);
  text-decoration-color: currentColor;
}

.site-footer {
  padding: 0 24px 40px;
}

.footer-grid {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding: 30px 0 0;
  border-top: 1px solid var(--border);
}

.footer-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  color: var(--muted);
}

.gateway {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.gateway-card {
  max-width: 720px;
  text-align: center;
}

.hero-deskvault {
  align-items: start;
}

.hero-stage,
.hero-stack,
.deskvault-stat-grid,
.deskvault-pain-grid,
.deskvault-value-grid,
.workflow-grid,
.deskvault-feature-stack,
.deskvault-gallery-grid {
  display: grid;
  gap: 20px;
}

.hero-stage {
  grid-template-columns: 1fr;
  align-self: start;
  align-content: start;
  grid-auto-rows: max-content;
}

.hero-stack {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.deskvault-stat-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 4px;
}

.deskvault-pain-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.deskvault-gallery-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.shot-card,
.deskvault-stat-card,
.deskvault-pain-card,
.deskvault-value-card,
.workflow-step,
.deskvault-gallery-card,
.deskvault-feature {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
}

.shot-card,
.deskvault-stat-card,
.deskvault-pain-card,
.deskvault-value-card,
.workflow-step,
.deskvault-gallery-card {
  background: var(--surface);
}

.shot-card {
  overflow: hidden;
}

.hero-stage > * {
  align-self: start;
}

.shot-card figcaption {
  display: grid;
  gap: 10px;
  align-items: start;
  justify-items: start;
  padding: 16px 18px;
  background: color-mix(in srgb, var(--surface-strong) 96%, transparent);
  color: var(--muted);
  font-size: 0.92rem;
}

.shot-card figcaption span:last-child {
  line-height: 1.55;
}

.shot-tag,
.deskvault-card-kicker,
.workflow-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.shot-tag,
.deskvault-card-kicker {
  padding: 7px 10px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  flex-shrink: 0;
}

.workflow-index {
  min-width: 44px;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid color-mix(in srgb, var(--accent) 24%, transparent);
  background: color-mix(in srgb, var(--accent) 10%, white 90%);
  color: var(--accent-strong);
}

.shot-image {
  display: block;
  width: 100%;
  height: auto;
  background: linear-gradient(180deg, rgba(216, 228, 246, 0.84) 0%, rgba(236, 242, 251, 0.92) 100%);
}

.shot-card-hero {
  background:
    radial-gradient(circle at top right, rgba(103, 174, 255, 0.18), transparent 32%),
    linear-gradient(180deg, rgba(12, 18, 33, 0.98) 0%, rgba(19, 31, 55, 0.98) 100%);
}

.shot-card-hero figcaption {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(239, 245, 255, 0.88);
}

.shot-card-hero .shot-tag {
  background: rgba(143, 186, 255, 0.18);
  color: #d8e9ff;
}

.deskvault-stat-card,
.deskvault-pain-card,
.deskvault-value-card,
.workflow-step,
.deskvault-gallery-card {
  padding: 24px;
}

.deskvault-hero-summary {
  display: grid;
  gap: 18px;
  background:
    radial-gradient(circle at top left, color-mix(in srgb, var(--accent) 12%, white) 0%, transparent 36%),
    linear-gradient(180deg, color-mix(in srgb, var(--surface-strong) 95%, transparent) 0%, var(--surface) 100%);
}

.deskvault-hero-summary-copy {
  display: grid;
  gap: 10px;
}

.deskvault-hero-summary .bullet-list {
  margin: 0;
}

.deskvault-stat-card {
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--accent) 10%, white) 0%, var(--surface) 100%);
}

.deskvault-stat-value {
  margin: 0 0 10px;
  color: var(--text);
  font-size: 1.1rem;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.deskvault-stat-card h3,
.deskvault-pain-card h3,
.deskvault-value-card h3,
.workflow-step h3,
.deskvault-gallery-copy h3,
.deskvault-feature-copy h3 {
  margin: 0 0 10px;
  font-size: 1.28rem;
  line-height: 1.2;
}

.deskvault-stat-card p:last-child,
.deskvault-pain-card p,
.deskvault-value-card p,
.workflow-step p,
.deskvault-gallery-copy p,
.deskvault-feature-copy p {
  margin: 0;
  color: var(--muted);
}

.deskvault-pain-card,
.deskvault-value-card,
.workflow-step {
  position: relative;
  overflow: hidden;
}

.deskvault-pain-card::before,
.deskvault-value-card::before,
.workflow-step::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, color-mix(in srgb, var(--accent) 38%, transparent) 0%, transparent 100%);
}

.deskvault-pain-card::after,
.deskvault-value-card::after,
.workflow-step::after {
  content: "";
  position: absolute;
  inset: auto -24px -30px auto;
  width: 112px;
  height: 112px;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 12%, white) 0%, transparent 70%);
  pointer-events: none;
}

.deskvault-feature {
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(0, 1.06fr);
  gap: 24px;
  align-items: center;
  padding: 24px;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--surface-strong) 94%, transparent) 0%, var(--surface) 100%);
}

.deskvault-feature.is-reverse {
  grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
}

.deskvault-feature.is-reverse .deskvault-feature-media {
  order: 2;
}

.deskvault-feature.is-reverse .deskvault-feature-copy {
  order: 1;
}

.deskvault-feature-copy {
  display: grid;
  gap: 14px;
}

.deskvault-feature-copy .bullet-list {
  margin-top: 2px;
}

.deskvault-gallery-card {
  display: grid;
  gap: 18px;
}

.deskvault-gallery-copy {
  display: grid;
  gap: 8px;
}

.deskvault-final-band {
  align-items: center;
}

.locale-zh .deskvault-pain-card p,
.locale-zh .deskvault-value-card p,
.locale-zh .workflow-step p,
.locale-zh .deskvault-gallery-copy p,
.locale-zh .deskvault-feature-copy p,
.locale-ja .deskvault-pain-card p,
.locale-ja .deskvault-value-card p,
.locale-ja .workflow-step p,
.locale-ja .deskvault-gallery-copy p,
.locale-ja .deskvault-feature-copy p,
.locale-ko .deskvault-pain-card p,
.locale-ko .deskvault-value-card p,
.locale-ko .workflow-step p,
.locale-ko .deskvault-gallery-copy p,
.locale-ko .deskvault-feature-copy p {
  line-height: 1.8;
}

@media (max-width: 1080px) {
  .header-shell {
    grid-template-columns: 1fr;
  }

  .main-nav {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .nav-ribbon {
    min-width: max-content;
  }

  .locale-menu {
    justify-self: start;
  }

  .hero,
  .split-panel,
  .final-band-shell {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 44px;
  }

  .hero-product {
    gap: 32px;
  }

  .section-intro-wide h2 {
    white-space: normal;
  }

  .contrast-header {
    flex-direction: column;
  }

  .contrast-tags {
    justify-content: flex-start;
    max-width: none;
  }

  .card-grid,
  .feature-grid,
  .product-grid,
  .screenshot-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .deskvault-stat-grid,
  .deskvault-value-grid,
  .workflow-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .deskvault-gallery-grid,
  .deskvault-pain-grid,
  .hero-stack,
  .deskvault-feature {
    grid-template-columns: 1fr;
  }

  .deskvault-feature.is-reverse {
    grid-template-columns: 1fr;
  }

  .deskvault-feature.is-reverse .deskvault-feature-media,
  .deskvault-feature.is-reverse .deskvault-feature-copy {
    order: initial;
  }
}

@media (max-width: 720px) {
  .site-header,
  main,
  .site-footer {
    padding-left: 18px;
    padding-right: 18px;
  }

  .header-shell {
    padding: 10px 0;
  }

  .brand-copy span {
    white-space: normal;
  }

  .hero-copy h1 {
    font-size: clamp(2.4rem, 12vw, 3.8rem);
  }

  .hero-home .hero-copy h1 {
    font-size: clamp(2.15rem, 9.8vw, 3rem);
    max-width: 11.2ch;
  }

  .hero-product .hero-copy h1 {
    font-size: clamp(1.95rem, 8.8vw, 2.75rem);
    max-width: 11ch;
    line-height: 1.04;
  }

  .locale-zh .hero-home .hero-copy h1 {
    max-width: 7.4ch;
  }

  .locale-zh .hero-product .hero-copy h1,
  .locale-ja .hero-product .hero-copy h1,
  .locale-ko .hero-product .hero-copy h1 {
    font-size: clamp(1.95rem, 8.6vw, 2.9rem);
    max-width: 100%;
  }

  .title-line-2 {
    margin-left: 0.35rem;
    padding-left: 0.65rem;
    border-left-width: 2px;
  }

  .nav-ribbon {
    padding: 4px;
  }

  .nav-link {
    min-height: 36px;
    padding: 0 14px;
  }

  .locale-list {
    right: auto;
    left: 0;
  }

  .card-grid,
  .feature-grid,
  .product-grid,
  .screenshot-grid {
    grid-template-columns: 1fr;
  }

  .deskvault-stat-grid,
  .deskvault-pain-grid,
  .deskvault-value-grid,
  .workflow-grid,
  .deskvault-gallery-grid {
    grid-template-columns: 1fr;
  }

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

  .contrast-shell,
  .signal-card,
  .product-card,
  .principle-card,
  .feature-card,
  .audience-card,
  .screenshot-card,
  .policy-card,
  .hero-visual-card,
  .trust-panel,
  .gateway-card,
  .final-band-shell,
  .deskvault-stat-card,
  .deskvault-pain-card,
  .deskvault-value-card,
  .workflow-step,
  .deskvault-gallery-card,
  .deskvault-feature {
    padding: 20px;
  }

  .footer-grid {
    flex-direction: column;
  }

  .contrast-shell {
    gap: 18px;
  }

  .theme-amitia.locale-zh .hero-product .title-line {
    white-space: normal;
  }

  .contrast-card {
    min-height: 0;
    padding: 20px;
  }

  .product-cta,
  .contrast-cta {
    min-height: 40px;
    padding: 0 14px;
  }
}