:root {
  color-scheme: dark;
  --ink: #f6f1e5;
  --muted: #b9c8d8;
  --blue: #62b5f2;
  --deep: #04172c;
  --panel: rgba(15, 53, 91, 0.5);
  --line: rgba(195, 222, 245, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    radial-gradient(circle at 79% 12%, rgba(52, 140, 211, 0.3), transparent 28rem),
    radial-gradient(circle at 15% 58%, rgba(22, 82, 136, 0.18), transparent 32rem),
    linear-gradient(155deg, #061d38 0%, var(--deep) 48%, #03101f 100%);
  font-family: ui-rounded, "SF Pro Rounded", "SF Pro Display", -apple-system, BlinkMacSystemFont, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  opacity: 0.22;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.16'/%3E%3C/svg%3E");
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 10;
  padding: 0.75rem 1rem;
  color: #061a31;
  background: white;
  border-radius: 999px;
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header,
main,
footer {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 92px;
  border-bottom: 1px solid var(--line);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 1rem;
  font-weight: 650;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.wordmark img {
  border-radius: 8px;
}

.platform,
.compatibility {
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  align-items: center;
  gap: clamp(2rem, 7vw, 7rem);
  min-height: min(760px, calc(100vh - 92px));
  padding-block: 5rem 6.5rem;
}

.hero > *,
.hero-copy {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 1.2rem;
  color: #8fcef8;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 740px;
  margin-bottom: 1.65rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3.6rem, 7.5vw, 6.9rem);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.94;
}

.lede {
  max-width: 650px;
  margin-bottom: 2rem;
  color: var(--muted);
  font-size: clamp(1.08rem, 1.7vw, 1.32rem);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0.8rem 1.35rem;
  color: #061b33;
  background: #f7f2e7;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.2);
  transition: transform 180ms ease, background 180ms ease;
}

.button:hover {
  background: white;
  transform: translateY(-2px);
}

.button:focus-visible,
.wordmark:focus-visible {
  outline: 3px solid #8fcef8;
  outline-offset: 4px;
}

.icon-stage {
  position: relative;
  display: grid;
  place-items: center;
  isolation: isolate;
}

.halo {
  position: absolute;
  z-index: -1;
  width: 90%;
  aspect-ratio: 1;
  background: rgba(55, 154, 225, 0.27);
  border-radius: 50%;
  filter: blur(65px);
}

.app-icon {
  width: min(100%, 540px);
  height: auto;
  border-radius: 22%;
  filter: drop-shadow(0 40px 48px rgba(0, 5, 15, 0.45));
  animation: arrive 900ms cubic-bezier(0.2, 0.75, 0.2, 1) both;
}

.principle {
  padding: clamp(4rem, 10vw, 8rem) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.principle p {
  max-width: 940px;
  margin-bottom: 0;
  color: #9eb5ca;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.2rem, 4.7vw, 4.6rem);
  line-height: 1.14;
  letter-spacing: -0.035em;
}

.principle strong {
  color: var(--ink);
  font-weight: 400;
}

.how {
  padding-block: clamp(5rem, 10vw, 9rem);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 3rem;
}

h2 {
  margin-bottom: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.6rem, 5vw, 4.5rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 1;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.feature-card {
  min-height: 330px;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  background: linear-gradient(145deg, rgba(27, 81, 128, 0.42), rgba(8, 31, 56, 0.52));
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.number {
  display: block;
  margin-bottom: 7rem;
  color: #79bce8;
  font-family: ui-monospace, "SFMono-Regular", monospace;
  font-size: 0.78rem;
}

.feature-card h3 {
  margin-bottom: 0.8rem;
  font-size: 1.28rem;
  letter-spacing: -0.02em;
}

.feature-card p,
.privacy > p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.65;
}

.privacy {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 8vw, 9rem);
  align-items: end;
  padding: clamp(4rem, 8vw, 7rem);
  background: #edf0ea;
  color: #0b2c4c;
  border-radius: 36px;
}

.privacy .eyebrow {
  color: #316e9d;
}

.privacy > p {
  color: #3d5870;
  font-size: 1.08rem;
}

.closing {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-block: clamp(7rem, 14vw, 12rem);
  text-align: center;
}

.closing img {
  margin-bottom: 2rem;
  border-radius: 15px;
}

.closing h2 {
  margin-bottom: 1.2rem;
  font-size: clamp(3rem, 7vw, 6.5rem);
}

.closing > p:last-child {
  color: var(--muted);
}

footer {
  display: flex;
  justify-content: space-between;
  padding-block: 2rem 3rem;
  color: #8fa6bb;
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
}

@keyframes arrive {
  from {
    opacity: 0;
    transform: translateY(18px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (max-width: 820px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 4rem;
  }

  .hero-copy {
    text-align: center;
  }

  .lede {
    margin-inline: auto;
  }

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

  .icon-stage {
    order: -1;
  }

  .app-icon {
    width: min(75vw, 430px);
  }

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

  .feature-card {
    min-height: 280px;
  }

  .number {
    margin-bottom: 4rem;
  }
}

@media (max-width: 520px) {
  .site-header,
  main,
  footer {
    width: min(100% - 28px, 1180px);
  }

  .site-header {
    min-height: 76px;
  }

  .platform {
    display: none;
  }

  h1 {
    width: 100%;
    max-width: 100%;
    font-size: clamp(2.85rem, 14vw, 3.6rem);
    line-height: 0.98;
  }

  h1 span {
    display: block;
  }

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

  .privacy {
    padding: 2rem;
    border-radius: 26px;
  }

  footer {
    gap: 1rem;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}