:root {
  --bg: #050814;
  --bg-soft: #0b1020;
  --card: rgba(255, 255, 255, 0.075);
  --card-border: rgba(255, 255, 255, 0.13);
  --text: #f7faff;
  --muted: #aab5cc;
  --blue: #4f8cff;
  --purple: #7c5cff;
  --cyan: #37d8ff;
  --green: #43f08d;
  --shadow: 0 24px 90px rgba(0, 0, 0, 0.48);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 16% 8%, rgba(79, 140, 255, 0.3), transparent 28%),
    radial-gradient(circle at 82% 18%, rgba(124, 92, 255, 0.24), transparent 28%),
    linear-gradient(180deg, #050814 0%, #0b1020 48%, #050814 100%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(5, 8, 20, 0.74);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav {
  max-width: 1180px;
  margin: 0 auto;
  padding: 18px 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 22px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 850;
  letter-spacing: -0.035em;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  box-shadow: 0 12px 34px rgba(79, 140, 255, 0.35);
}

.nav-links {
  display: flex;
  gap: 24px;
  color: var(--muted);
  font-size: 15px;
}

.nav-links a:hover {
  color: var(--text);
}

.nav-button,
.primary-button,
.secondary-button {
  display: inline-flex;
  min-height: 46px;
  padding: 0 20px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-weight: 800;
  transition: 0.2s ease;
}

.nav-button,
.primary-button {
  background: linear-gradient(135deg, var(--blue), var(--purple));
  color: #fff;
  box-shadow: 0 14px 38px rgba(79, 140, 255, 0.26);
}

.secondary-button {
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.045);
}

.nav-button:hover,
.primary-button:hover,
.secondary-button:hover {
  transform: translateY(-2px);
}

.hero {
  max-width: 1180px;
  margin: 0 auto;
  padding: 110px 22px 80px;
  min-height: 780px;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 58px;
  align-items: center;
}

.eyebrow {
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 13px;
  font-weight: 850;
  margin: 0 0 16px;
}

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

h1 {
  font-size: clamp(46px, 7vw, 82px);
  line-height: 0.94;
  letter-spacing: -0.075em;
  margin-bottom: 26px;
}

.hero-text {
  max-width: 630px;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.7;
  margin-bottom: 34px;
}

.hero-actions,
.download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.trust-row {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.trust-row span {
  color: var(--muted);
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 14px;
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(255, 255, 255, 0.11);
}

.phone-wrap {
  display: flex;
  justify-content: center;
}

.phone {
  width: min(360px, 100%);
  height: 690px;
  border-radius: 46px;
  padding: 16px;
  background: linear-gradient(180deg, rgba(255,255,255,0.18), rgba(255,255,255,0.04));
  border: 1px solid rgba(255,255,255,0.16);
  box-shadow: var(--shadow);
}

.phone-top {
  width: 110px;
  height: 26px;
  border-radius: 999px;
  background: #050814;
  margin: 0 auto 16px;
}

.app-card {
  height: calc(100% - 42px);
  border-radius: 34px;
  padding: 30px;
  text-align: center;
  background:
    radial-gradient(circle at 50% 20%, rgba(79, 140, 255, 0.33), transparent 28%),
    linear-gradient(180deg, #111832, #070b17);
}

.app-logo {
  width: 82px;
  height: 82px;
  margin: 22px auto 20px;
  border-radius: 26px;
  display: grid;
  place-items: center;
  font-size: 42px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  box-shadow: 0 18px 42px rgba(79, 140, 255, 0.3);
}

.app-card h2 {
  font-size: 34px;
  letter-spacing: -0.055em;
  margin-bottom: 8px;
}

.connected {
  color: var(--green);
  font-weight: 850;
}

.power-button {
  width: 130px;
  height: 130px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  margin: 42px auto;
  font-size: 54px;
  color: #fff;
  background: radial-gradient(circle, var(--cyan), var(--blue));
  box-shadow: 0 0 48px rgba(55, 216, 255, 0.38);
}

.server-box {
  text-align: left;
  padding: 18px;
  border-radius: 22px;
  margin-top: 14px;
  background: rgba(255, 255, 255, 0.075);
  border: 1px solid rgba(255, 255, 255, 0.11);
}

.server-box span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 6px;
}

.server-box strong {
  font-size: 17px;
}

.section {
  max-width: 1180px;
  margin: 0 auto;
  padding: 90px 22px;
}

.section-heading {
  max-width: 740px;
  margin-bottom: 34px;
}

.section h2 {
  font-size: clamp(32px, 4vw, 54px);
  line-height: 1.02;
  letter-spacing: -0.055em;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.card,
.download-box {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 30px;
  padding: 28px;
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.24);
}

.icon {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  font-size: 27px;
  background: rgba(79, 140, 255, 0.16);
  margin-bottom: 22px;
}

.card h3 {
  font-size: 24px;
  margin-bottom: 12px;
}

.card p,
.feature-list p,
.download-box p,
.footer p {
  color: var(--muted);
  line-height: 1.7;
}

.split {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 50px;
}

.feature-list {
  display: grid;
  gap: 16px;
}

.feature-list div {
  padding: 24px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(255, 255, 255, 0.095);
}

.download-box {
  text-align: center;
}

.download-box p {
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
}

.download-actions {
  justify-content: center;
  margin-top: 28px;
}

.disabled {
  opacity: 0.75;
  pointer-events: none;
}

.small-note {
  margin-top: 20px;
  font-size: 14px;
}

.small-note a {
  color: var(--cyan);
  font-weight: 800;
}

.footer {
  max-width: 1180px;
  margin: 0 auto;
  padding: 46px 22px 60px;
  display: grid;
  gap: 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand {
  margin-bottom: 14px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
}

.footer-links a:hover {
  color: var(--text);
}

.copyright {
  font-size: 14px;
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 74px;
  }

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

  .phone {
    height: 620px;
  }
}

@media (max-width: 520px) {
  .nav {
    padding: 14px;
  }

  .brand {
    font-size: 19px;
  }

  .nav-button {
    display: none;
  }

  .hero,
  .section {
    padding-left: 16px;
    padding-right: 16px;
  }

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

  .primary-button,
  .secondary-button {
    width: 100%;
  }

  .phone {
    height: 600px;
  }
}