:root {
  color-scheme: light;
  --background: #eef6ff;
  --surface: #ffffff;
  --surface-soft: #f7fbff;
  --text: #071a34;
  --muted: #607086;
  --border: rgba(18, 49, 86, 0.12);
  --accent: #0051d5;
  --accent-strong: #003caa;
  --cyan: #11d5d0;
  --shadow: 0 22px 70px rgba(9, 36, 78, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: var(--background);
  color: var(--text);
}

body {
  margin: 0;
  line-height: 1.55;
}

a {
  color: var(--accent);
  font-weight: 800;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.page {
  min-height: 100vh;
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 18%, rgba(17, 213, 208, 0.28), transparent 24rem),
    radial-gradient(circle at 4% 12%, rgba(0, 81, 213, 0.22), transparent 28rem),
    linear-gradient(180deg, #ffffff 0%, #eef6ff 48%, #f8fbff 100%);
}

.header,
.main,
.footer {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
}

.brand-logo {
  width: 52px;
  height: 52px;
  border-radius: 15px;
  box-shadow: 0 14px 34px rgba(0, 81, 213, 0.25);
}

.brand-name {
  display: block;
  font-size: 22px;
  font-weight: 950;
  line-height: 1.05;
  letter-spacing: 0;
}

.brand-subtitle {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.nav a {
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 850;
  padding: 8px 12px;
}

.nav a:hover {
  background: rgba(255, 255, 255, 0.74);
  border-color: var(--border);
  color: var(--text);
  text-decoration: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  align-items: center;
  gap: 56px;
  min-height: 690px;
  padding: 58px 0 82px;
}

.hero-copy {
  display: grid;
  gap: 24px;
  min-width: 0;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(48px, 8vw, 88px);
  font-weight: 950;
  line-height: 0.94;
  letter-spacing: 0;
  overflow-wrap: break-word;
}

.hero p {
  max-width: 640px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(18px, 2.2vw, 22px);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 20px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--text);
  font-size: 15px;
  font-weight: 900;
  box-shadow: 0 8px 22px rgba(9, 36, 78, 0.07);
}

.button:hover {
  transform: translateY(-1px);
  text-decoration: none;
}

.button.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 16px 34px rgba(0, 81, 213, 0.28);
}

.phone-stage {
  position: relative;
  display: grid;
  min-height: 540px;
  place-items: center;
}

.phone-stage::before {
  position: absolute;
  width: 470px;
  height: 470px;
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(17, 213, 208, 0.32) 0 24%, transparent 25%),
    radial-gradient(circle, rgba(0, 81, 213, 0.18) 0 50%, transparent 51%);
  content: "";
  filter: blur(2px);
}

.phone {
  position: relative;
  width: 292px;
  min-height: 572px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 42px;
  background: linear-gradient(160deg, #081932, #0d2449);
  box-shadow: var(--shadow);
}

.phone-speaker {
  width: 78px;
  height: 6px;
  margin: 2px auto 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.24);
}

.app-preview {
  display: grid;
  gap: 14px;
  min-height: 518px;
  padding: 18px;
  border-radius: 30px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(238, 247, 255, 0.96)),
    #ffffff;
}

.app-preview-logo {
  width: 64px;
  height: 64px;
  border-radius: 19px;
  box-shadow: 0 12px 26px rgba(0, 81, 213, 0.25);
}

.preview-label {
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.app-preview h2 {
  margin: 3px 0 0;
  font-size: 27px;
  line-height: 1.05;
}

.distance-card,
.preview-row,
.map-card {
  border: 1px solid rgba(18, 49, 86, 0.1);
  border-radius: 16px;
  background: #ffffff;
  box-shadow: 0 10px 24px rgba(9, 36, 78, 0.08);
}

.distance-card {
  display: grid;
  gap: 2px;
  padding: 16px;
}

.distance-card span,
.preview-row span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.distance-card strong {
  color: var(--accent);
  font-size: 42px;
  line-height: 1;
}

.map-card {
  position: relative;
  min-height: 154px;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(0, 81, 213, 0.12) 1px, transparent 1px),
    linear-gradient(0deg, rgba(0, 81, 213, 0.12) 1px, transparent 1px),
    #eef7ff;
  background-size: 34px 34px;
}

.map-route {
  position: absolute;
  inset: 34px 18px auto 28px;
  height: 82px;
  border-right: 4px solid rgba(0, 81, 213, 0.46);
  border-bottom: 4px solid rgba(0, 81, 213, 0.46);
  border-radius: 0 0 28px 0;
}

.map-dot,
.map-radius {
  position: absolute;
  border-radius: 50%;
}

.map-dot.user {
  right: 38px;
  bottom: 34px;
  width: 16px;
  height: 16px;
  background: var(--accent);
  box-shadow: 0 0 0 7px rgba(0, 81, 213, 0.15);
}

.map-dot.target {
  left: 42px;
  top: 34px;
  width: 18px;
  height: 18px;
  background: var(--cyan);
  box-shadow: 0 0 0 7px rgba(17, 213, 208, 0.18);
}

.map-radius {
  left: 13px;
  top: 5px;
  width: 76px;
  height: 76px;
  border: 2px solid rgba(17, 213, 208, 0.7);
  background: rgba(17, 213, 208, 0.1);
}

.preview-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
}

.preview-row strong {
  color: var(--text);
  font-size: 13px;
}

.feature-band,
.privacy-strip,
.section {
  border: 1px solid var(--border);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 18px 54px rgba(9, 36, 78, 0.09);
}

.feature-band {
  display: grid;
  gap: 28px;
  padding: 34px;
}

.section-heading {
  display: grid;
  gap: 8px;
  max-width: 680px;
}

.section-heading h2,
.privacy-strip h2,
.section h1,
.section h2 {
  margin: 0;
  line-height: 1.08;
  letter-spacing: 0;
}

.section-heading h2,
.privacy-strip h2 {
  font-size: clamp(30px, 4vw, 48px);
}

.section-heading p,
.privacy-strip p,
.section p,
.section li {
  color: var(--muted);
  font-size: 17px;
}

.section-heading p,
.privacy-strip p,
.section p,
.section ul {
  margin: 0;
}

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

.feature-card {
  display: grid;
  gap: 12px;
  padding: 22px;
  border: 1px solid rgba(18, 49, 86, 0.1);
  border-radius: 18px;
  background: var(--surface-soft);
}

.feature-icon {
  display: inline-grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), #08b9e8);
  color: #ffffff;
  font-size: 13px;
  font-weight: 950;
}

.feature-card h3 {
  margin: 0;
  font-size: 20px;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
}

.privacy-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 18px;
  padding: 30px 34px;
}

.privacy-strip div {
  display: grid;
  gap: 8px;
  max-width: 740px;
}

.section {
  display: grid;
  gap: 18px;
  margin: 22px 0;
  padding: 30px;
}

.section h1 {
  font-size: clamp(34px, 5vw, 56px);
}

.section h2 {
  font-size: clamp(25px, 3vw, 34px);
}

.section ul {
  padding-left: 20px;
}

.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.notice {
  border-left: 4px solid var(--accent);
}

.date {
  color: var(--muted);
  font-weight: 850;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding: 36px 0;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 880px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: 0;
    padding-top: 42px;
  }

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

  .feature-grid,
  .split {
    grid-template-columns: 1fr;
  }

  .privacy-strip {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 720px) {
  .header {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero h1 {
    font-size: clamp(38px, 11vw, 44px);
    line-height: 0.98;
    max-width: 330px;
  }

  .hero p {
    font-size: 18px;
    max-width: 330px;
  }

  .feature-band,
  .privacy-strip,
  .section {
    border-radius: 18px;
    padding: 22px;
  }

  .phone {
    width: min(292px, 100%);
  }
}