:root {
  color-scheme: light dark;
  --blue: #3A7BFF;
  --indigo: #4B5CF6;
  --violet: #6A5CE6;
  --turquoise: #2BC2C7;
  --navy: #0B1430;
  --ink: #0B1430;
  --muted: #52617f;
  --bg: #f6f9ff;
  --card: rgba(255, 255, 255, 0.82);
  --line: rgba(75, 92, 246, 0.15);
  --shadow: 0 24px 80px rgba(31, 68, 158, 0.16);
  --radius: 28px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100%;
  margin: 0;
  background:
    radial-gradient(circle at 12% 10%, rgba(43, 194, 199, 0.20), transparent 22rem),
    radial-gradient(circle at 86% 8%, rgba(106, 92, 230, 0.20), transparent 28rem),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 52%, #eef4ff 100%);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(75, 92, 246, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(75, 92, 246, 0.045) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, black, transparent 72%);
}

a {
  color: var(--indigo);
}

.page {
  width: min(72rem, 100%);
  margin: 0 auto;
  padding-inline: 1.25rem;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(72rem, calc(100% - 2rem));
  margin: 1rem auto 0;
  padding: 0.7rem 0.8rem;
  border: 1px solid rgba(75, 92, 246, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 18px 50px rgba(31, 68, 158, 0.10);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--navy);
  font-size: 1.05rem;
  font-weight: 800;
  text-decoration: none;
}

.brand img {
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 0.7rem;
}

nav {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

nav a {
  padding: 0.55rem 0.8rem;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
}

nav a:hover {
  background: rgba(58, 123, 255, 0.09);
  color: var(--indigo);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(21rem, 0.72fr);
  gap: clamp(2rem, 7vw, 5rem);
  align-items: center;
  min-height: calc(100vh - 6rem);
  padding-block: clamp(3rem, 8vw, 6rem);
}

.hero-copy {
  min-width: 0;
}

.hero-logo {
  display: block;
  width: min(22rem, 82vw);
  height: auto;
  margin: 0 0 1.7rem;
}

.eyebrow {
  margin: 0 0 0.85rem;
  color: var(--indigo);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 52rem;
  margin-bottom: 1.25rem;
  font-size: clamp(3.2rem, 7.6vw, 6.9rem);
  line-height: 0.92;
  letter-spacing: -0.075em;
}

h2 {
  margin-bottom: 0.55rem;
  color: var(--navy);
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.lead {
  max-width: 43rem;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(1.18rem, 2.2vw, 1.55rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.78rem 1.1rem;
  border: 1px solid transparent;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--blue), var(--indigo) 54%, var(--violet));
  color: #ffffff;
  font-weight: 850;
  text-decoration: none;
  box-shadow: 0 18px 38px rgba(75, 92, 246, 0.28);
}

.button.secondary {
  border-color: rgba(58, 123, 255, 0.22);
  background: rgba(255, 255, 255, 0.80);
  color: var(--indigo);
  box-shadow: none;
}

.hero-visual {
  display: grid;
  place-items: center;
  min-width: 0;
}

.phone-card {
  position: relative;
  width: min(23rem, 86vw);
  padding: 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.70);
  border-radius: 2.5rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(255, 255, 255, 0.55)),
    radial-gradient(circle at 26% 10%, rgba(43, 194, 199, 0.28), transparent 12rem),
    radial-gradient(circle at 84% 24%, rgba(106, 92, 230, 0.28), transparent 12rem);
  box-shadow: var(--shadow);
  transform: rotate(2deg);
}

.phone-card::before {
  content: "";
  position: absolute;
  inset: -1.5rem;
  z-index: -1;
  border-radius: 3rem;
  background: linear-gradient(135deg, rgba(58, 123, 255, 0.22), rgba(43, 194, 199, 0.18));
  filter: blur(22px);
}

.phone-top {
  width: 4.5rem;
  height: 0.35rem;
  margin: 0 auto 1.35rem;
  border-radius: 999px;
  background: rgba(11, 20, 48, 0.13);
}

.phone-card img {
  display: block;
  width: 8.8rem;
  height: 8.8rem;
  margin: 0 auto 1.25rem;
  border-radius: 2rem;
  box-shadow: 0 24px 48px rgba(11, 20, 48, 0.18);
}

.message-line {
  width: 62%;
  height: 0.85rem;
  margin: 0.7rem auto;
  border-radius: 999px;
  background: rgba(82, 97, 127, 0.16);
}

.message-line.wide {
  width: 82%;
}

.wave-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  height: 4rem;
  margin: 1.15rem 0;
}

.wave-row span {
  display: block;
  width: 0.45rem;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--turquoise), var(--indigo));
}

.wave-row span:nth-child(1) { height: 1.1rem; opacity: 0.58; }
.wave-row span:nth-child(2) { height: 2.2rem; opacity: 0.72; }
.wave-row span:nth-child(3) { height: 3.4rem; }
.wave-row span:nth-child(4) { height: 2.2rem; opacity: 0.72; }
.wave-row span:nth-child(5) { height: 1.1rem; opacity: 0.58; }

.play-pill {
  width: fit-content;
  margin: 0 auto;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  background: var(--navy);
  color: #ffffff;
  font-weight: 850;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  padding-bottom: 1.25rem;
}

.card,
.legal section,
.privacy-strip {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.card {
  min-height: 14rem;
  padding: 1.4rem;
  overflow: hidden;
}

.card::before {
  content: "";
  display: block;
  width: 3.4rem;
  height: 0.35rem;
  margin-bottom: 1.1rem;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue), var(--turquoise));
}

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

.privacy-strip {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 2rem;
  align-items: center;
  margin-top: 1rem;
  margin-bottom: 4rem;
  padding: clamp(1.4rem, 4vw, 2.2rem);
}

.privacy-strip h2,
.privacy-strip p {
  margin-bottom: 0;
}

.legal {
  max-width: 54rem;
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.legal h1 {
  margin-bottom: 1rem;
  font-size: clamp(2.6rem, 7vw, 5rem);
  line-height: 0.96;
}

.legal section {
  margin-top: 1rem;
  padding: 1.35rem;
}

.updated {
  margin-bottom: 2rem;
  color: var(--muted);
}

code {
  padding: 0.1rem 0.35rem;
  border-radius: 0.35rem;
  background: rgba(58, 123, 255, 0.10);
}

@media (max-width: 880px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 3rem;
  }

  .hero-visual {
    order: -1;
  }

  .phone-card {
    width: min(19rem, 78vw);
    transform: rotate(0deg);
  }

  .phone-card img {
    width: 7rem;
    height: 7rem;
  }

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

@media (max-width: 560px) {
  .site-header {
    align-items: flex-start;
    border-radius: 1.4rem;
  }

  nav {
    flex-direction: column;
    align-items: flex-end;
    gap: 0;
  }

  nav a {
    padding-block: 0.35rem;
  }

  h1 {
    font-size: clamp(2.8rem, 16vw, 4.2rem);
  }

  .actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f4f7ff;
    --muted: #b7c4ea;
    --bg: #070d20;
    --card: rgba(13, 23, 51, 0.78);
    --line: rgba(122, 165, 255, 0.20);
    --shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
  }

  body {
    background:
      radial-gradient(circle at 12% 10%, rgba(43, 194, 199, 0.14), transparent 22rem),
      radial-gradient(circle at 86% 8%, rgba(106, 92, 230, 0.24), transparent 28rem),
      linear-gradient(180deg, #070d20 0%, #0a1024 100%);
  }

  .site-header,
  .button.secondary,
  .phone-card {
    background-color: rgba(13, 23, 51, 0.74);
  }

  .brand,
  h2 {
    color: #f4f7ff;
  }
}