:root {
  color-scheme: light;
  --bg: #f4f7fb;
  --bg-2: #eef4fb;
  --surface: rgba(255, 255, 255, 0.68);
  --surface-strong: rgba(255, 255, 255, 0.92);
  --surface-card: rgba(255, 255, 255, 0.88);
  --surface-nav: rgba(255, 255, 255, 0.74);
  --mobile-nav-bg: rgba(255, 255, 255, 0.98);
  --ink: #0c172c;
  --ink-muted: #4e5f7f;
  --line: rgba(12, 23, 44, 0.11);
  --line-strong: rgba(12, 23, 44, 0.16);
  --accent: #0a84ff;
  --accent-2: #31d158;
  --accent-rgb: 10, 132, 255;
  --success: #0059d6;
  --shadow-soft: 0 10px 35px rgba(12, 23, 44, 0.08);
  --shadow-hard: 0 18px 60px rgba(12, 23, 44, 0.15);
  --shadow-nav: 0 12px 40px rgba(12, 23, 44, 0.08);
  --radius-xl: 34px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --font: "SF Pro Display", "SF Pro Text", "Helvetica Neue", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(1200px 700px at -10% -12%, rgba(173, 215, 255, 0.9) 0%, rgba(226, 239, 255, 0) 58%),
    radial-gradient(1100px 620px at 108% 0%, rgba(214, 240, 226, 0.95) 0%, rgba(235, 248, 239, 0) 56%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  line-height: 1.58;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

.bg-orb {
  position: fixed;
  z-index: -1;
  width: 34rem;
  aspect-ratio: 1;
  border-radius: 50%;
  filter: blur(54px);
  opacity: 0.18;
  pointer-events: none;
}

.bg-orb-a {
  background: #61b0ff;
  left: -10rem;
  top: -8rem;
}

.bg-orb-b {
  background: #85df9d;
  right: -13rem;
  top: 22rem;
}

.container {
  width: min(1160px, calc(100% - 2.5rem));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  padding-top: 0.95rem;
  background: linear-gradient(180deg, rgba(244, 248, 244, 0.92) 0%, rgba(244, 248, 244, 0.45) 72%, rgba(244, 248, 244, 0) 100%);
}

.nav {
  position: relative;
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.82rem 1rem;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--surface-nav);
  box-shadow: var(--shadow-nav);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.72rem;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.brand-mark {
  position: relative;
  overflow: hidden;
  width: 34px;
  height: 34px;
  border-radius: 11px;
  border: 1px solid rgba(var(--accent-rgb), 0.35);
  background: var(--accent);
  box-shadow: 0 9px 18px rgba(var(--accent-rgb), 0.32);
}

.brand-mark::before {
  content: "";
  position: absolute;
  inset: 6px;
  background: #fff;
  -webkit-mask: url("/assets/switchboard.svg") center / contain no-repeat;
  mask: url("/assets/switchboard.svg") center / contain no-repeat;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
  cursor: pointer;
  transition:
    background-color 0.2s ease,
    border-color 0.2s ease,
    transform 0.2s ease;
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
  background: var(--surface-strong);
  border-color: var(--line-strong);
}

.nav-toggle:active {
  transform: scale(0.98);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transition:
    transform 0.2s ease,
    opacity 0.2s ease;
}

.nav[data-menu-open="true"] .nav-toggle span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav[data-menu-open="true"] .nav-toggle span:nth-child(2) {
  opacity: 0;
}

.nav[data-menu-open="true"] .nav-toggle span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.72rem;
}

.nav-links a:not(.btn) {
  color: var(--ink-muted);
  font-size: 0.95rem;
  font-weight: 550;
  text-decoration: none;
  padding: 0.46rem 0.82rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition:
    color 0.2s ease,
    border-color 0.2s ease,
    background-color 0.2s ease;
}

.nav-links a:not(.btn):hover,
.nav-links a:not(.btn):focus-visible {
  color: var(--ink);
  border-color: var(--line);
  background: var(--surface-strong);
}

.nav-links a[aria-current="page"] {
  color: var(--ink);
  font-weight: 650;
  border-color: var(--line);
  background: var(--surface-strong);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 0;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 630;
  padding: 0.78rem 1.24rem;
  white-space: nowrap;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background-color 0.2s ease,
    color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 10px 24px rgba(var(--accent-rgb), 0.33);
}

.btn-primary:hover,
.btn-primary:focus-visible,
.nav-links .btn-primary,
.nav-links .btn-primary:hover,
.nav-links .btn-primary:focus-visible {
  color: #fff;
}

.btn-primary:hover {
  box-shadow: 0 14px 28px rgba(var(--accent-rgb), 0.39);
}

.btn-secondary {
  color: var(--ink);
  border: 1px solid var(--line-strong);
  background: var(--surface-strong);
  box-shadow: 0 8px 20px rgba(12, 23, 44, 0.06);
}

.hero {
  padding: 5.9rem 0 4.35rem;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
}

.hero-copy {
  max-width: 39rem;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
  padding: 0.42rem 0.78rem;
  margin-bottom: 1.12rem;
  color: var(--ink-muted);
  font-size: 0.84rem;
  box-shadow: 0 10px 24px rgba(12, 23, 44, 0.05);
}

.kicker-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.35rem, 3.4vw, 4.8rem);
  line-height: 0.96;
  letter-spacing: -0.04em;
  max-width: 12.4ch;
  text-wrap: balance;
}

.accent-text {
  background: linear-gradient(118deg, #0059d6 10%, var(--accent) 58%, var(--accent-2) 95%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  margin: 1.16rem 0 0;
  max-width: 54ch;
  color: var(--ink-muted);
  font-size: clamp(1.03rem, 1.3vw, 1.26rem);
  text-wrap: pretty;
}

.hero-lead strong {
  color: var(--ink);
  font-weight: 670;
}

.hero-actions {
  margin-top: 1.78rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.72rem;
}

.hero-meta {
  margin-top: 1.18rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.56rem;
  font-size: 0.89rem;
  color: var(--ink-muted);
}

.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
  padding: 0.44rem 0.76rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 9px 22px rgba(12, 23, 44, 0.05);
}

.phone-mock {
  position: relative;
  display: flex;
  justify-content: center;
}

.phone-mock::before {
  content: "";
  position: absolute;
  width: min(460px, 92%);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--accent-rgb), 0.22) 0%, rgba(var(--accent-rgb), 0) 68%);
  filter: blur(10px);
  z-index: -1;
}

.phone-shell {
  width: min(390px, 100%);
  border-radius: 42px;
  background: linear-gradient(150deg, #111926, #202f49 40%, #162137 100%);
  box-shadow: var(--shadow-hard);
  padding: 0.86rem;
  position: relative;
}

.phone-shell::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 42px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  pointer-events: none;
}

.phone-notch {
  position: absolute;
  width: 38%;
  height: 20px;
  border-radius: 0 0 14px 14px;
  background: #080d16;
  left: 31%;
  top: 0;
}

.phone-screen {
  border-radius: 34px;
  min-height: 560px;
  padding: 1.1rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background:
    radial-gradient(130% 70% at 20% 0%, rgba(var(--accent-rgb), 0.18), transparent 56%),
    linear-gradient(180deg, rgba(250, 252, 255, 0.95) 0%, rgba(245, 249, 255, 0.96) 100%);
}

.mock-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--ink-muted);
  font-size: 0.85rem;
  margin-bottom: 0.9rem;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.7rem;
}

.metric-grid article {
  border: 1px solid rgba(12, 23, 44, 0.11);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.84);
  padding: 0.74rem 0.8rem;
  box-shadow: 0 6px 22px rgba(12, 23, 44, 0.06);
}

.metric-grid small {
  display: block;
  font-size: 0.76rem;
  color: var(--ink-muted);
}

.metric-grid strong {
  display: block;
  margin-top: 0.22rem;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.route-preview {
  margin-top: 0.76rem;
  border-radius: 16px;
  min-height: 270px;
  border: 1px solid rgba(12, 23, 44, 0.12);
  background:
    radial-gradient(circle at 75% 17%, rgba(var(--accent-rgb), 0.2), rgba(var(--accent-rgb), 0) 42%),
    radial-gradient(circle at 25% 83%, rgba(49, 209, 88, 0.14), rgba(49, 209, 88, 0) 50%),
    linear-gradient(180deg, #fcfdff 0%, #eef4ff 100%);
  overflow: hidden;
  position: relative;
  padding: 0.84rem;
}

.route-preview::before,
.route-preview::after {
  content: "";
  position: absolute;
  border-radius: 44%;
}

.route-preview::before {
  inset: 30px auto auto -56px;
  width: 360px;
  height: 360px;
  border: 2px solid rgba(var(--accent-rgb), 0.24);
  transform: rotate(-14deg);
}

.route-preview::after {
  inset: auto -56px -64px auto;
  width: 240px;
  height: 240px;
  border: 2px dashed rgba(12, 23, 44, 0.18);
  transform: rotate(16deg);
}

.board-preview {
  display: grid;
  gap: 0.72rem;
}

.board-preview-top,
.board-section,
.board-switch-grid {
  position: relative;
  z-index: 1;
}

.board-preview-top {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.board-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 0.3rem 0.62rem;
  border-radius: 999px;
  border: 1px solid rgba(var(--accent-rgb), 0.16);
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink-muted);
  font-size: 0.77rem;
  font-weight: 650;
}

.board-section {
  border: 1px solid rgba(12, 23, 44, 0.11);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.78);
  padding: 0.72rem;
  box-shadow: 0 8px 20px rgba(12, 23, 44, 0.05);
}

.board-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--ink);
}

.board-section-head small {
  color: var(--ink-muted);
  font-weight: 600;
}

.board-switch-grid {
  margin-top: 0.55rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.46rem;
}

.board-switch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  border-radius: 10px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.board-switch.is-off {
  background: rgba(12, 23, 44, 0.08);
  color: var(--ink-muted);
}

.board-switch.is-on-red {
  background: #ff2600;
  color: #fff;
}

.board-switch.is-on-orange {
  background: #ff9300;
  color: #161616;
}

.board-switch.is-on-green {
  background: #31d158;
  color: #fff;
}

.board-switch.is-on-blue {
  background: #0091ff;
  color: #fff;
}

.section {
  padding: 5rem 0;
}

.section-tight {
  padding-top: 1.4rem;
  padding-bottom: 1.8rem;
}

.section-alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.35), rgba(255, 255, 255, 0.12));
  border-top: 1px solid rgba(12, 23, 44, 0.06);
  border-bottom: 1px solid rgba(12, 23, 44, 0.06);
}

.section h2 {
  margin: 0;
  font-size: clamp(1.9rem, 2.5vw, 3.2rem);
  letter-spacing: -0.03em;
  line-height: 1.02;
  max-width: 14ch;
  text-wrap: balance;
}

.lead {
  margin: 0.94rem 0 0;
  max-width: 62ch;
  color: var(--ink-muted);
  font-size: 1.01rem;
  text-wrap: pretty;
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  align-items: stretch;
}

.proof-strip article {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-card);
  padding: 1rem 1rem 0.95rem;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.proof-strip article::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, rgba(var(--accent-rgb), 0.7), rgba(var(--accent-rgb), 0));
}

.proof-strip strong {
  display: block;
  font-size: 1.07rem;
  letter-spacing: -0.02em;
}

.proof-strip span {
  display: block;
  margin-top: 0.22rem;
  color: var(--ink-muted);
  font-size: 0.9rem;
}

.feature-grid {
  margin-top: 1.7rem;
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--surface-card);
  padding: 1.28rem;
  box-shadow: 0 10px 28px rgba(12, 23, 44, 0.06);
  transition:
    transform 0.22s ease,
    border-color 0.22s ease,
    box-shadow 0.22s ease;
}

.feature-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(80% 70% at 0% 0%, rgba(var(--accent-rgb), 0.12), rgba(var(--accent-rgb), 0));
  pointer-events: none;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(var(--accent-rgb), 0.34);
  box-shadow: 0 15px 32px rgba(12, 23, 44, 0.12);
}

.feature-kicker {
  margin: 0;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.feature-card h3 {
  margin: 0.52rem 0 0;
  font-size: 1.11rem;
  line-height: 1.3;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.feature-card p {
  margin: 0.62rem 0 0;
  color: var(--ink-muted);
  font-size: 0.95rem;
  text-wrap: pretty;
}

.timeline {
  margin-top: 1.7rem;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.8rem;
}

.timeline article {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--surface-card);
  padding: 1rem;
  transition:
    transform 0.22s ease,
    border-color 0.22s ease,
    box-shadow 0.22s ease;
}

.timeline article::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, rgba(var(--accent-rgb), 0.55), rgba(var(--accent-rgb), 0.08));
}

.timeline article:hover {
  transform: translateY(-3px);
  border-color: rgba(var(--accent-rgb), 0.34);
  box-shadow: 0 14px 30px rgba(12, 23, 44, 0.1);
}

.timeline span {
  display: inline-block;
  border-radius: 999px;
  border: 1px solid rgba(var(--accent-rgb), 0.34);
  background: rgba(var(--accent-rgb), 0.1);
  color: #005ecb;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 0.22rem 0.54rem;
}

.timeline h3 {
  margin: 0.66rem 0 0;
  font-size: 1.02rem;
}

.timeline p {
  margin: 0.43rem 0 0;
  font-size: 0.91rem;
  color: var(--ink-muted);
}

.privacy-panel {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 1.1rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.73));
  padding: clamp(1rem, 2.1vw, 1.55rem);
  box-shadow: var(--shadow-soft);
}

.privacy-panel h2 {
  margin-top: 0.46rem;
}

.privacy-panel p {
  margin: 0.7rem 0 0;
  color: var(--ink-muted);
}

.privacy-panel ul {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--ink-muted);
  align-self: center;
}

.privacy-panel li {
  margin-top: 0.55rem;
}

.cta-panel {
  margin-top: 1.7rem;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(var(--accent-rgb), 0.2);
  background:
    radial-gradient(70% 120% at 8% 0%, rgba(var(--accent-rgb), 0.16), rgba(var(--accent-rgb), 0)),
    linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.76));
  padding: clamp(1.1rem, 2.4vw, 1.7rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.cta-panel .btn {
  min-width: 146px;
}

.cta-panel h3 {
  margin: 0;
  letter-spacing: -0.02em;
  font-size: clamp(1.1rem, 1.5vw, 1.45rem);
}

.cta-panel p {
  margin: 0.35rem 0 0;
  color: var(--ink-muted);
}

.legal-layout {
  padding: 2.35rem 0 4.5rem;
}

.legal-card {
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  background: var(--surface-strong);
  box-shadow: var(--shadow-soft);
  padding: clamp(1.15rem, 2.4vw, 2rem);
}

.legal-top {
  display: grid;
  gap: 0.95rem;
  grid-template-columns: 1fr 0.95fr;
  align-items: start;
  margin-bottom: 1rem;
}

@media (min-width: 1041px) {
  .legal-toc {
    position: sticky;
    top: 92px;
  }
}

.legal-card h1 {
  margin: 0;
  font-size: clamp(1.75rem, 2.5vw, 2.8rem);
  letter-spacing: -0.03em;
}

.legal-meta {
  margin: 0.25rem 0 0;
  color: var(--ink-muted);
  font-size: 0.91rem;
}

.legal-summary {
  margin: 0.62rem 0 0;
  color: var(--ink-muted);
}

.legal-toc {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.76);
  padding: 0.84rem 0.9rem;
}

.legal-toc h2 {
  margin: 0;
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--ink-muted);
}

.legal-toc ul {
  list-style: none;
  margin: 0.58rem 0 0;
  padding: 0;
  columns: 2;
  gap: 0.9rem;
}

.legal-toc a {
  display: inline-block;
  text-decoration: none;
  color: var(--ink-muted);
  font-size: 0.9rem;
  margin-top: 0.28rem;
}

.legal-toc a:hover,
.legal-toc a:focus-visible {
  color: var(--ink);
}

.legal-card h2 {
  margin: 1.3rem 0 0.4rem;
  scroll-margin-top: 95px;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}

.legal-card p,
.legal-card li {
  color: var(--ink-muted);
}

.legal-card ul {
  margin: 0.35rem 0 0;
  padding-left: 1.22rem;
}

.site-footer {
  border-top: 1px solid rgba(12, 23, 44, 0.08);
  padding: 1.35rem 0 2.2rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  flex-wrap: wrap;
  color: var(--ink-muted);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 0.94rem;
  flex-wrap: wrap;
}

.footer-links a {
  text-decoration: none;
}

.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #090f16;
    --bg-2: #0e1620;
    --surface: rgba(16, 25, 38, 0.74);
    --surface-strong: rgba(18, 29, 43, 0.9);
    --surface-card: rgba(19, 30, 44, 0.86);
    --surface-nav: rgba(12, 20, 31, 0.78);
    --mobile-nav-bg: rgba(18, 29, 43, 0.98);
    --ink: #eaf2ff;
    --ink-muted: #a1b4d1;
    --line: rgba(213, 229, 255, 0.14);
    --line-strong: rgba(213, 229, 255, 0.24);
    --shadow-soft: 0 14px 35px rgba(0, 0, 0, 0.34);
    --shadow-hard: 0 22px 70px rgba(0, 0, 0, 0.5);
    --shadow-nav: 0 18px 42px rgba(0, 0, 0, 0.34);
  }

  body {
    background:
      radial-gradient(1200px 700px at -10% -12%, rgba(var(--accent-rgb), 0.21) 0%, rgba(var(--accent-rgb), 0) 58%),
      radial-gradient(1100px 620px at 108% 0%, rgba(49, 209, 88, 0.16) 0%, rgba(49, 209, 88, 0) 56%),
      linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  }

  .site-header {
    background: linear-gradient(180deg, rgba(8, 13, 20, 0.92) 0%, rgba(8, 13, 20, 0.44) 72%, rgba(8, 13, 20, 0) 100%);
  }

  .nav-toggle {
    background: rgba(15, 24, 36, 0.8);
  }

  .accent-text {
    background: linear-gradient(118deg, #84c4ff 10%, #0a84ff 58%, #31d158 95%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }

  .hero-meta span {
    background: rgba(18, 29, 43, 0.76);
  }

  .phone-shell {
    background: linear-gradient(150deg, #0e1521, #192334 40%, #111a28 100%);
  }

  .phone-screen {
    border: 1px solid rgba(213, 229, 255, 0.15);
    background:
      radial-gradient(130% 70% at 20% 0%, rgba(var(--accent-rgb), 0.24), transparent 56%),
      linear-gradient(180deg, rgba(18, 28, 41, 0.96) 0%, rgba(13, 21, 32, 0.96) 100%);
  }

  .metric-grid article {
    border: 1px solid rgba(213, 229, 255, 0.15);
    background: rgba(20, 31, 45, 0.82);
    box-shadow: 0 10px 22px rgba(0, 0, 0, 0.26);
  }

  .board-chip,
  .board-section {
    background: rgba(18, 29, 43, 0.76);
    border-color: rgba(213, 229, 255, 0.14);
  }

  .board-switch.is-off {
    background: rgba(213, 229, 255, 0.1);
    color: #b8c8e4;
  }

  .feature-card:hover,
  .timeline article:hover {
    box-shadow: 0 18px 34px rgba(0, 0, 0, 0.35);
  }

  .route-preview {
    border: 1px solid rgba(213, 229, 255, 0.15);
    background:
      radial-gradient(circle at 75% 17%, rgba(var(--accent-rgb), 0.24), rgba(var(--accent-rgb), 0) 42%),
      radial-gradient(circle at 25% 83%, rgba(49, 209, 88, 0.18), rgba(49, 209, 88, 0) 50%),
      linear-gradient(180deg, #122030 0%, #0d1724 100%);
  }

  .route-preview::after {
    border-color: rgba(213, 229, 255, 0.24);
  }

  .section-alt {
    background: linear-gradient(180deg, rgba(10, 17, 26, 0.6), rgba(10, 17, 26, 0.34));
    border-top: 1px solid rgba(213, 229, 255, 0.08);
    border-bottom: 1px solid rgba(213, 229, 255, 0.08);
  }

  .timeline article {
    background: rgba(18, 29, 42, 0.82);
  }

  .timeline span {
    border: 1px solid rgba(var(--accent-rgb), 0.5);
    background: rgba(var(--accent-rgb), 0.2);
    color: #8ecaff;
  }

  .privacy-panel {
    background: linear-gradient(150deg, rgba(20, 31, 45, 0.92), rgba(16, 26, 39, 0.84));
  }

  .cta-panel {
    border: 1px solid rgba(var(--accent-rgb), 0.34);
    background:
      radial-gradient(70% 120% at 8% 0%, rgba(var(--accent-rgb), 0.22), rgba(var(--accent-rgb), 0)),
      linear-gradient(135deg, rgba(20, 31, 45, 0.9), rgba(16, 25, 37, 0.84));
  }

  .legal-toc {
    background: rgba(17, 27, 40, 0.76);
  }

  .site-footer {
    border-top: 1px solid rgba(213, 229, 255, 0.1);
  }
}

@media (max-width: 1040px) {
  .hero-inner,
  .privacy-panel,
  .legal-top {
    grid-template-columns: 1fr;
  }

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

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

  .phone-shell {
    width: min(360px, 100%);
  }

  .legal-toc ul {
    columns: 1;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(1160px, calc(100% - 1.5rem));
  }

  .site-header {
    padding-top: 0.72rem;
  }

  .nav {
    min-height: 70px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    top: calc(100% + 0.72rem);
    left: 0;
    right: 0;
    z-index: 2;
    flex-direction: column;
    align-items: stretch;
    gap: 0.45rem;
    padding: 0.82rem;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: var(--mobile-nav-bg);
    box-shadow: var(--shadow-nav);
    backdrop-filter: blur(18px) saturate(160%);
    -webkit-backdrop-filter: blur(18px) saturate(160%);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-10px);
    transition:
      opacity 0.2s ease,
      transform 0.2s ease,
      visibility 0.2s ease;
  }

  .nav[data-menu-open="true"] .nav-links {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-links a:not(.btn) {
    display: block;
    padding: 0.72rem 0.84rem;
    border-radius: 16px;
  }

  .nav-links .btn {
    width: 100%;
    margin-top: 0.15rem;
  }

  .hero {
    padding-top: 4.9rem;
  }

  .hero h1 {
    max-width: 15ch;
  }

  .proof-strip,
  .feature-grid,
  .timeline {
    grid-template-columns: 1fr;
  }

  .hero-meta {
    gap: 0.42rem;
  }

  .phone-screen {
    min-height: 500px;
  }

  .route-preview {
    min-height: 220px;
  }
}

@media (max-width: 520px) {
  .nav {
    min-height: 66px;
    padding: 0.72rem 0.82rem;
  }

  .nav-links a,
  .nav-links .btn {
    font-size: 0.92rem;
  }

  .hero h1 {
    line-height: 1.03;
  }

  .phone-shell {
    border-radius: 33px;
  }

  .phone-screen {
    border-radius: 25px;
    padding: 0.95rem;
    min-height: 455px;
  }

  .feature-card:hover,
  .timeline article:hover {
    transform: none;
  }
}