:root {
  color-scheme: dark;
  --bg: #0b0b15;
  --ink: #f0effa;
  --sub: #a2a1c2;
  --faint: #6e6d8f;
  --panel: #13131f;
  --panel-2: #181a33;
  --panel-3: #13203a;
  --hairline: rgba(240, 239, 250, 0.09);
  --panel-bd: rgba(139, 124, 246, 0.28);
  --chip-bg: rgba(124, 92, 246, 0.14);
  --chip-bd: rgba(139, 124, 246, 0.28);
  --chip-ink: #b6aef0;
  --link: #8b7cf6;
  --link-h: #a99cff;
  --blue: #3d7be8;
  --purple: #7c3aed;
  --purple-2: #a07cff;
  --cyan: #5bc8f5;
  --green: #34d399;
  --danger: #fb7185;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.46);
  --shadow-soft: 0 14px 36px rgba(20, 20, 42, 0.36);
  --body-bg:
    linear-gradient(180deg, rgba(124, 58, 237, 0.14), transparent 520px),
    linear-gradient(90deg, rgba(61, 123, 232, 0.1), transparent 44%),
    var(--bg);
  --policy-bg:
    linear-gradient(180deg, rgba(61, 123, 232, 0.12), transparent 460px),
    var(--bg);
  --topbar-bg: rgba(11, 11, 21, 0.76);
  --surface-glass: rgba(19, 19, 31, 0.76);
  --surface-strong: rgba(19, 19, 31, 0.88);
  --surface-soft: rgba(240, 239, 250, 0.04);
  --footer-bg: rgba(8, 8, 17, 0.68);
  --phone-shell: linear-gradient(150deg, #4a4a57, #20202a 42%, #0c0c12);
  --phone-border: rgba(240, 239, 250, 0.16);
  --phone-img-border: rgba(0, 0, 0, 0.4);
  --button-secondary-bg: rgba(240, 239, 250, 0.04);
  --button-secondary-bd: rgba(240, 239, 250, 0.36);
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f7f8fc;
  --ink: #111827;
  --sub: #526077;
  --faint: #7b849a;
  --panel: #ffffff;
  --panel-2: #f5f7ff;
  --panel-3: #eef6ff;
  --hairline: rgba(17, 24, 39, 0.1);
  --panel-bd: rgba(92, 106, 196, 0.22);
  --chip-bg: rgba(124, 92, 246, 0.1);
  --chip-bd: rgba(92, 106, 196, 0.2);
  --chip-ink: #5c4fc9;
  --link: #5145cd;
  --link-h: #312e81;
  --shadow: 0 28px 70px rgba(35, 44, 72, 0.18);
  --shadow-soft: 0 14px 34px rgba(35, 44, 72, 0.12);
  --body-bg:
    linear-gradient(180deg, rgba(124, 58, 237, 0.1), transparent 520px),
    linear-gradient(90deg, rgba(91, 200, 245, 0.12), transparent 44%),
    var(--bg);
  --policy-bg:
    linear-gradient(180deg, rgba(61, 123, 232, 0.1), transparent 460px),
    var(--bg);
  --topbar-bg: rgba(255, 255, 255, 0.78);
  --surface-glass: rgba(255, 255, 255, 0.82);
  --surface-strong: rgba(255, 255, 255, 0.92);
  --surface-soft: rgba(17, 24, 39, 0.04);
  --footer-bg: rgba(255, 255, 255, 0.7);
  --phone-shell: linear-gradient(150deg, #ffffff, #edf2fb 48%, #d9e4f6);
  --phone-border: rgba(17, 24, 39, 0.12);
  --phone-img-border: rgba(17, 24, 39, 0.08);
  --button-secondary-bg: rgba(255, 255, 255, 0.74);
  --button-secondary-bd: rgba(17, 24, 39, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--body-bg);
  color: var(--ink);
  font-family: "Be Vietnam Pro", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  transition: background 220ms ease, color 220ms ease;
}

body.policy-page {
  background: var(--policy-bg);
}

a {
  color: inherit;
}

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

.site-shell {
  position: relative;
  overflow: hidden;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 40px;
  border-bottom: 1px solid var(--hairline);
  background: var(--topbar-bg);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: "Bricolage Grotesque", "Be Vietnam Pro", sans-serif;
  font-size: 22px;
  font-weight: 800;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
}

.brand-mark {
  background: linear-gradient(140deg, var(--blue), var(--purple-2));
  background-clip: text;
  color: transparent;
}

.nav {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav a,
.language-switch a,
.theme-toggle {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--sub);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}

.nav a:hover,
.language-switch a:hover,
.language-switch a.active,
.theme-toggle:hover {
  color: var(--ink);
  border-color: var(--chip-bd);
  background: var(--chip-bg);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.language-switch {
  display: flex;
  align-items: center;
  gap: 6px;
}

.theme-toggle {
  width: 40px;
  justify-content: center;
  padding: 0;
  cursor: pointer;
  background: transparent;
}

.theme-icon {
  position: relative;
  width: 18px;
  height: 18px;
  border: 2px solid currentColor;
  border-radius: 999px;
}

.theme-icon::after {
  content: "";
  position: absolute;
  inset: -2px -7px -2px 7px;
  border-radius: 999px;
  background: var(--topbar-bg);
  transform: scale(1);
  transition: transform 180ms ease, inset 180ms ease;
}

html[data-theme="light"] .theme-icon::after {
  inset: -6px;
  transform: scale(0);
}

.hero {
  position: relative;
  min-height: 760px;
  display: flex;
  align-items: center;
  padding: 116px 40px 82px;
}

.hero-inner,
.section-inner,
.footer-inner,
.policy-layout {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.hero-copy {
  position: relative;
  z-index: 2;
  width: min(650px, 100%);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 0 15px;
  border: 1px solid var(--chip-bd);
  border-radius: 999px;
  background: var(--chip-bg);
  color: var(--chip-ink);
  font-size: 13px;
  font-weight: 800;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Bricolage Grotesque", "Be Vietnam Pro", sans-serif;
  font-weight: 800;
}

h1 {
  margin-top: 24px;
  max-width: 720px;
  font-size: 76px;
  line-height: 0.98;
}

h2 {
  font-size: 48px;
  line-height: 1.05;
}

h3 {
  font-size: 24px;
  line-height: 1.16;
}

.gradient-text {
  background: linear-gradient(140deg, var(--purple-2), var(--blue));
  background-clip: text;
  color: transparent;
}

.hero-copy p,
.section-lede,
.policy-intro {
  color: var(--sub);
  font-size: 18px;
  line-height: 1.68;
}

.hero-copy p {
  max-width: 580px;
  margin: 24px 0 0;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 800;
  text-decoration: none;
}

.button.primary {
  color: #ffffff;
  background: linear-gradient(140deg, var(--purple), var(--blue));
  box-shadow: 0 16px 38px rgba(94, 74, 232, 0.42);
}

.button.secondary {
  color: var(--ink);
  border-color: var(--button-secondary-bd);
  background: var(--button-secondary-bg);
}

.availability {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 13px;
  border: 1px solid var(--chip-bd);
  border-radius: 999px;
  background: var(--surface-glass);
  color: var(--sub);
  font-size: 13px;
  font-weight: 800;
}

.hero-visual {
  position: absolute;
  right: max(24px, calc((100vw - 1180px) / 2));
  bottom: 54px;
  z-index: 1;
  width: min(560px, 48vw);
  min-height: 610px;
}

.phone-frame {
  position: absolute;
  width: 280px;
  border: 1px solid var(--phone-border);
  border-radius: 34px;
  padding: 10px;
  background: var(--phone-shell);
  box-shadow: var(--shadow), 0 0 90px rgba(94, 74, 232, 0.2);
}

.phone-frame img {
  border-radius: 26px;
  border: 1px solid var(--phone-img-border);
}

.phone-frame.primary-shot {
  right: 118px;
  top: 0;
  transform: rotate(3deg);
}

.phone-frame.secondary-shot {
  right: 0;
  top: 132px;
  transform: rotate(-5deg);
  opacity: 0.9;
}

.signal-card {
  position: absolute;
  left: 0;
  bottom: 88px;
  width: 260px;
  padding: 18px;
  border: 1px solid rgba(91, 200, 245, 0.26);
  border-radius: 8px;
  background: var(--surface-strong);
  box-shadow: var(--shadow-soft);
}

.signal-card strong {
  display: block;
  font-family: "Bricolage Grotesque", "Be Vietnam Pro", sans-serif;
  font-size: 26px;
  margin-bottom: 6px;
}

.signal-card span {
  color: var(--sub);
  font-size: 14px;
  line-height: 1.55;
}

.marquee {
  overflow: hidden;
  padding: 15px 0;
  background: linear-gradient(140deg, #7b2fd4, #5a4bd8 50%, #2f5fd0);
  box-shadow: 0 18px 60px rgba(94, 74, 232, 0.3);
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 28s linear infinite;
}

.marquee span {
  padding: 0 18px;
  color: #ffffff;
  font-family: "Bricolage Grotesque", "Be Vietnam Pro", sans-serif;
  font-size: 19px;
  font-weight: 800;
  white-space: nowrap;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.section {
  padding: 104px 40px;
}

.section-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 36px;
}

.section-lede {
  width: min(460px, 100%);
  margin: 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.feature-card,
.trust-card,
.policy-card,
.faq-item {
  border: 1px solid var(--panel-bd);
  border-radius: 8px;
  background: var(--surface-glass);
  box-shadow: var(--shadow-soft);
}

.feature-card {
  min-height: 258px;
  padding: 24px;
}

.feature-card:nth-child(2) {
  background: var(--surface-glass);
  background: color-mix(in srgb, var(--panel-2) 78%, transparent);
}

.feature-card:nth-child(3) {
  border-color: rgba(91, 200, 245, 0.24);
  background: var(--surface-glass);
  background: color-mix(in srgb, var(--panel-3) 72%, transparent);
}

.feature-card:nth-child(4) {
  border-color: rgba(52, 211, 153, 0.2);
}

.icon-box {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  margin-bottom: 22px;
  border-radius: 8px;
  background: linear-gradient(140deg, var(--purple), var(--blue));
  color: #ffffff;
  font-size: 22px;
  font-weight: 800;
}

.feature-card p,
.trust-card p,
.faq-item p,
.policy-card p {
  color: var(--sub);
  line-height: 1.62;
}

.feature-card p {
  margin: 12px 0 0;
  font-size: 15px;
}

.workflow {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 22px;
  align-items: stretch;
}

.workflow-panel {
  padding: 28px;
  border: 1px solid var(--panel-bd);
  border-radius: 8px;
  background: var(--surface-glass);
  background: color-mix(in srgb, var(--panel) 82%, transparent);
}

.workflow-list {
  display: grid;
  gap: 13px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.workflow-list li {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 14px;
  align-items: start;
  padding: 15px;
  border: 1px solid var(--hairline);
  border-radius: 8px;
  background: var(--surface-soft);
}

.workflow-list b {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  background: var(--chip-bg);
  color: var(--chip-ink);
}

.workflow-list strong {
  display: block;
  margin-bottom: 4px;
}

.workflow-list span {
  color: var(--sub);
  line-height: 1.55;
}

.screenshot-board {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 16px;
  align-items: center;
  min-height: 560px;
  padding: 24px;
  border: 1px solid rgba(91, 200, 245, 0.22);
  border-radius: 8px;
  background:
    linear-gradient(140deg, rgba(91, 200, 245, 0.08), rgba(124, 58, 237, 0.12)),
    var(--surface-glass);
  background:
    linear-gradient(140deg, rgba(91, 200, 245, 0.08), rgba(124, 58, 237, 0.12)),
    color-mix(in srgb, var(--panel) 70%, transparent);
  overflow: hidden;
}

.screenshot-board img {
  width: min(100%, 320px);
  margin: 0 auto;
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.trust-card {
  padding: 26px;
}

.trust-card h3 {
  margin-bottom: 12px;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.faq-item {
  padding: 22px;
}

.cta-panel {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 26px;
  align-items: center;
  padding: 34px;
  border: 1px solid rgba(139, 124, 246, 0.36);
  border-radius: 8px;
  background:
    linear-gradient(140deg, rgba(124, 58, 237, 0.3), rgba(61, 123, 232, 0.24)),
    var(--panel);
  box-shadow: var(--shadow);
}

.cta-panel p {
  max-width: 620px;
  color: var(--sub);
  font-size: 17px;
  line-height: 1.62;
}

.footer {
  padding: 70px 40px 42px;
  border-top: 1px solid var(--hairline);
  background: var(--footer-bg);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
}

.footer p {
  color: var(--sub);
  line-height: 1.62;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}

.footer-links a {
  color: var(--sub);
  font-weight: 700;
  text-decoration: none;
}

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

.policy-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 34px;
  padding: 70px 40px 110px;
}

.policy-side {
  position: sticky;
  top: 92px;
  align-self: start;
  padding: 20px;
  border: 1px solid var(--panel-bd);
  border-radius: 8px;
  background: var(--surface-glass);
  background: color-mix(in srgb, var(--panel) 80%, transparent);
}

.policy-side a {
  display: block;
  padding: 10px 0;
  color: var(--sub);
  font-weight: 700;
  text-decoration: none;
}

.policy-side a:hover {
  color: var(--ink);
}

.policy-content {
  min-width: 0;
}

.policy-content h1 {
  font-size: 58px;
}

.policy-content h2 {
  margin-top: 36px;
  font-size: 30px;
}

.policy-content p,
.policy-content li {
  color: var(--sub);
  font-size: 16px;
  line-height: 1.72;
}

.policy-content ul {
  padding-left: 22px;
}

.policy-card {
  padding: 24px;
  margin-top: 24px;
}

@media (max-width: 1020px) {
  .topbar {
    padding: 14px 20px;
  }

  .nav {
    display: none;
  }

  .hero {
    min-height: 940px;
    align-items: start;
  }

  .hero-visual {
    left: 50%;
    right: auto;
    bottom: 30px;
    transform: translateX(-50%);
    width: min(580px, calc(100vw - 32px));
  }

  .feature-grid,
  .trust-grid,
  .faq-grid,
  .workflow,
  .cta-panel,
  .footer-inner,
  .policy-layout {
    grid-template-columns: 1fr;
  }

  .policy-side {
    position: static;
  }
}

@media (max-width: 720px) {
  h1 {
    font-size: 52px;
  }

  h2 {
    font-size: 36px;
  }

  .hero,
  .section,
  .footer,
  .policy-layout {
    padding-left: 18px;
    padding-right: 18px;
  }

  .hero {
    display: block;
    min-height: auto;
    padding-top: 82px;
    padding-bottom: 40px;
  }

  .hero-copy p,
  .section-lede {
    font-size: 16px;
  }

  .section-header,
  .screenshot-board {
    display: block;
  }

  .section-lede {
    margin-top: 16px;
  }

  .hero-visual {
    position: relative;
    left: auto;
    right: auto;
    bottom: auto;
    width: 100%;
    min-height: 540px;
    margin-top: 34px;
    transform: none;
  }

  .phone-frame {
    width: 196px;
  }

  .phone-frame.primary-shot {
    right: 96px;
    top: 0;
  }

  .phone-frame.secondary-shot {
    right: 0;
    top: 128px;
  }

  .signal-card {
    width: 222px;
    left: 0;
    bottom: 18px;
  }

  .language-switch a {
    padding: 0 10px;
  }
}