:root {
  color-scheme: light;
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --line: #d2d2d7;
  --soft: #f5f5f7;
  --soft-2: #fbfbfd;
  --blue: #0071e3;
  --blue-dark: #061b4d;
  --red: #ff3b30;
  --shadow: 0 32px 90px rgba(0, 0, 0, 0.14);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: #fff;
  color: var(--ink);
}

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

img,
video {
  max-width: 100%;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  background: rgba(255, 255, 255, 0.82);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  backdrop-filter: saturate(180%) blur(18px);
}

.nav-shell {
  width: min(1024px, calc(100% - 32px));
  min-height: 48px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-size: 13px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
}

.brand img {
  width: 24px;
  height: 24px;
  border-radius: 6px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--muted);
}

.nav-links a,
.download-link,
.text-link {
  transition: color 160ms ease;
}

.nav-links a:hover,
.download-link:hover,
.text-link:hover {
  color: var(--ink);
}

.download-link,
.text-link {
  color: var(--blue);
  font-weight: 600;
}

.hero {
  min-height: calc(100vh - 48px);
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 60px 0 82px;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(300px, 0.88fr);
  align-items: center;
  gap: clamp(36px, 7vw, 96px);
}

.hero-copy {
  max-width: 690px;
}

.hero-icon {
  width: 84px;
  height: 84px;
  border-radius: 20px;
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.16);
}

.eyebrow {
  margin: 18px 0 10px;
  color: var(--muted);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

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

h1 {
  margin-bottom: 24px;
  font-size: clamp(62px, 8vw, 110px);
  line-height: 0.88;
  letter-spacing: -0.065em;
  font-weight: 800;
}

.hero-subtitle {
  max-width: 650px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(22px, 2.4vw, 31px);
  line-height: 1.18;
  letter-spacing: -0.025em;
  font-weight: 600;
}

.hero-actions {
  margin-top: 32px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px 24px;
}

.app-store-button {
  display: inline-flex;
  min-height: 48px;
  padding: 0 23px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  box-shadow: 0 10px 24px rgba(0, 113, 227, 0.2);
  transition: transform 160ms ease, background 160ms ease;
}

.app-store-button:hover {
  background: #0077ed;
  transform: translateY(-1px);
}

.app-store-button:active {
  transform: translateY(0);
}

.text-link {
  font-size: 17px;
}

.text-link span {
  display: inline-block;
  margin-left: 2px;
  font-size: 22px;
  line-height: 0;
}

.video-shell {
  position: relative;
  justify-self: center;
  width: min(390px, 100%);
}

.video-glow {
  position: absolute;
  inset: 8% -24% 5%;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 35%, rgba(27, 157, 255, 0.45), rgba(0, 113, 227, 0.18) 40%, transparent 72%);
  filter: blur(40px);
}

.video-stage {
  position: relative;
  z-index: 1;
  aspect-ratio: 886 / 1920;
  overflow: hidden;
  border: 9px solid #111216;
  border-radius: 58px;
  background: #06080c;
  box-shadow: 0 44px 100px rgba(5, 22, 64, 0.32), 0 8px 26px rgba(0, 0, 0, 0.24);
}

.hero-video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #06080c;
}

.intro-band,
.privacy-section,
.download-section,
.activity-section {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto 24px;
  padding: clamp(54px, 8vw, 96px);
  border-radius: 34px;
  background: var(--soft);
}

.intro-band {
  background: linear-gradient(135deg, #f5f5f7 0%, #edf6ff 100%);
}

.intro-band p {
  max-width: 970px;
  margin: 0;
  font-size: clamp(34px, 5.2vw, 67px);
  line-height: 0.99;
  letter-spacing: -0.045em;
  font-weight: 800;
}

.feature-grid,
.capabilities {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 88px 0 24px;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 38px;
}

.section-heading h2,
.privacy-section h2,
.download-section h2,
.activity-section h2 {
  margin-bottom: 0;
  font-size: clamp(44px, 6.2vw, 78px);
  line-height: 0.97;
  letter-spacing: -0.05em;
  font-weight: 800;
}

.section-heading > p:last-child {
  max-width: 700px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 23px;
  line-height: 1.26;
  font-weight: 600;
}

.feature {
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.05);
  border-radius: 34px;
  background: var(--soft-2);
}

.feature-large {
  min-height: 720px;
  padding: clamp(36px, 6vw, 76px);
  display: grid;
  grid-template-columns: minmax(280px, 0.92fr) minmax(320px, 1.08fr);
  align-items: center;
  gap: clamp(30px, 5vw, 70px);
}

.feature-blue {
  background: linear-gradient(150deg, #f7fbff 10%, #e8f3ff 100%);
}

.feature-copy h3 {
  margin-bottom: 16px;
  font-size: clamp(38px, 5vw, 64px);
  line-height: 0.99;
  letter-spacing: -0.045em;
  font-weight: 800;
}

.feature-copy p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 21px;
  line-height: 1.34;
  letter-spacing: -0.015em;
  font-weight: 600;
}

.feature-copy .eyebrow {
  margin: 0 0 10px;
  color: var(--blue);
  font-size: 16px;
}

.iphone-frame {
  justify-self: center;
  width: min(370px, 100%);
  padding: 9px;
  border-radius: 52px;
  background: #111216;
  box-shadow: var(--shadow);
}

.iphone-frame img {
  display: block;
  width: 100%;
  border-radius: 43px;
}

.split-features {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 24px 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.split-features .feature {
  min-height: 760px;
  padding: 44px 44px 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.feature-map {
  background: linear-gradient(165deg, #f0f8ff 0%, #d8ecff 100%);
}

.feature-status {
  background: linear-gradient(165deg, #fff4f3 0%, #f7e6e5 100%);
}

.media-panel {
  overflow: hidden;
  background: #111216;
  box-shadow: 0 22px 65px rgba(0, 0, 0, 0.15);
}

.media-phone {
  width: min(360px, 88%);
  max-height: 500px;
  margin: 40px auto 0;
  padding: 7px 7px 0;
  border-radius: 48px 48px 0 0;
}

.media-phone img {
  display: block;
  width: 100%;
  border-radius: 40px 40px 0 0;
}

.activity-section {
  min-height: 780px;
  margin-top: 72px;
  padding-bottom: 0;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(36px, 7vw, 86px);
  align-items: center;
  overflow: hidden;
  background: radial-gradient(circle at 80% 30%, #163674 0%, #081a46 38%, #030b20 75%);
  color: #fff;
}

.activity-copy {
  align-self: center;
  padding-bottom: clamp(54px, 8vw, 96px);
}

.activity-copy .eyebrow {
  color: #72baff;
}

.activity-copy > p:last-child {
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 22px;
  line-height: 1.32;
  font-weight: 600;
}

.activity-visual {
  align-self: end;
  justify-self: center;
  width: min(400px, 100%);
  padding: 8px 8px 0;
  border-radius: 52px 52px 0 0;
  background: #111216;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.36);
}

.activity-visual img {
  display: block;
  width: 100%;
  border-radius: 43px 43px 0 0;
}

.capabilities {
  padding-top: 112px;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.capability-grid article {
  min-height: 270px;
  padding: 36px;
  border-radius: 30px;
  background: var(--soft);
}

.capability-symbol {
  display: grid;
  width: 46px;
  height: 46px;
  margin-bottom: 42px;
  place-items: center;
  border-radius: 13px;
  background: #e5f2ff;
  color: var(--blue);
  font-size: 26px;
  font-weight: 700;
}

.capability-grid article:nth-child(2) .capability-symbol {
  background: #fff0dc;
  color: #f57c00;
}

.capability-grid article:nth-child(3) .capability-symbol {
  background: #f3e9ff;
  color: #9b4dca;
}

.capability-grid article:nth-child(4) .capability-symbol {
  background: #e5f8ea;
  color: #1f9d50;
}

.capability-grid h3 {
  margin-bottom: 10px;
  font-size: 28px;
  letter-spacing: -0.03em;
}

.capability-grid p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.4;
  font-weight: 600;
}

.privacy-section {
  margin-top: 96px;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 44px;
  align-items: start;
}

.privacy-section p:last-child {
  margin: 23px 0 0;
  color: var(--muted);
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.16;
  letter-spacing: -0.025em;
  font-weight: 700;
}

.download-section {
  margin-top: 24px;
  text-align: center;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.download-section img {
  width: 88px;
  height: 88px;
  border-radius: 21px;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.16);
}

.download-section .eyebrow {
  margin-bottom: 12px;
  color: var(--blue);
}

.download-section > p:not(.eyebrow) {
  margin: 18px 0 28px;
  color: var(--muted);
  font-size: 24px;
  font-weight: 700;
}

.safety-note {
  width: min(760px, calc(100% - 40px));
  margin: 30px auto 64px;
  color: var(--muted);
  text-align: center;
  font-size: 13px;
  line-height: 1.45;
}

.legal-page {
  width: min(880px, calc(100% - 40px));
  margin: 0 auto;
  padding: 64px 0 56px;
}

.legal-hero {
  padding-bottom: 36px;
  border-bottom: 1px solid var(--line);
}

.legal-hero h1 {
  margin-bottom: 14px;
  font-size: clamp(48px, 8vw, 88px);
  line-height: 0.98;
}

.legal-hero p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
  font-weight: 700;
}

.legal-document {
  padding-top: 34px;
}

.legal-document h2 {
  margin: 42px 0 12px;
  font-size: 26px;
  line-height: 1.12;
  font-weight: 800;
}

.legal-document p {
  margin-bottom: 18px;
  color: #333336;
  font-size: 17px;
  line-height: 1.62;
}

.legal-document ul {
  margin: 0 0 22px;
  padding-left: 22px;
  color: #333336;
  font-size: 17px;
  line-height: 1.55;
}

.legal-document li {
  margin-bottom: 10px;
}

.legal-document a,
.footer a {
  color: var(--blue);
  font-weight: 700;
}

.legal-document a:hover,
.footer a:hover {
  color: var(--ink);
}

.footer {
  width: min(1024px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 48px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 13px;
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 860px) {
  .nav-links {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-top: 48px;
    grid-template-columns: 1fr;
  }

  .hero-copy {
    margin: 0 auto;
    text-align: center;
  }

  .hero-actions {
    justify-content: center;
  }

  .video-shell {
    width: min(360px, 86vw);
  }

  .feature-large,
  .privacy-section,
  .activity-section,
  .split-features {
    grid-template-columns: 1fr;
  }

  .activity-section {
    padding-top: 60px;
  }

  .activity-copy {
    padding-bottom: 0;
  }

  .split-features .feature {
    min-height: 700px;
  }
}

@media (max-width: 620px) {
  .hero,
  .intro-band,
  .feature-grid,
  .split-features,
  .activity-section,
  .capabilities,
  .privacy-section,
  .download-section {
    width: min(100% - 24px, 1180px);
  }

  .hero {
    padding-top: 34px;
  }

  .hero-icon {
    width: 72px;
    height: 72px;
    border-radius: 17px;
  }

  h1 {
    font-size: clamp(55px, 17vw, 76px);
  }

  .hero-subtitle {
    font-size: 21px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .video-stage {
    border-width: 7px;
    border-radius: 48px;
  }

  .intro-band,
  .privacy-section,
  .download-section,
  .activity-section {
    padding: 46px 25px;
    border-radius: 26px;
  }

  .intro-band p {
    font-size: 34px;
  }

  .feature-grid,
  .capabilities {
    padding-top: 68px;
  }

  .feature,
  .capability-grid article {
    border-radius: 26px;
  }

  .feature-large {
    min-height: auto;
    padding: 32px 24px 0;
    grid-template-columns: 1fr;
  }

  .iphone-frame {
    width: min(330px, 94%);
    border-radius: 44px 44px 0 0;
    padding-bottom: 0;
  }

  .iphone-frame img {
    border-radius: 36px 36px 0 0;
  }

  .split-features .feature {
    min-height: 630px;
    padding: 32px 24px 0;
  }

  .media-phone {
    width: 94%;
  }

  .activity-section {
    margin-top: 44px;
    padding-bottom: 0;
  }

  .activity-visual {
    width: 96%;
  }

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

  .capability-grid article {
    min-height: 0;
    padding: 28px;
  }

  .capability-symbol {
    margin-bottom: 26px;
  }

  .privacy-section {
    margin-top: 68px;
  }

  .footer {
    display: grid;
    gap: 8px;
  }
}
