* {
  box-sizing: border-box;
}

:root {
  --bg: #020617;
  --bg-soft: #0f172a;
  --card: rgba(255, 255, 255, 0.075);
  --card-border: rgba(255, 255, 255, 0.12);
  --text: #ffffff;
  --muted: #cbd5e1;
  --muted-2: #94a3b8;
  --primary: #38bdf8;
  --primary-soft: rgba(56, 189, 248, 0.14);
  --green: #22c55e;
  --yellow: #f59e0b;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
}

a {
  color: inherit;
}

.navbar {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  width: 100%;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(2, 6, 23, 0.72);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  text-decoration: none;
}

.logo-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--primary);
  color: var(--bg);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
}

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

.hero {
  min-height: 100vh;
  padding: 140px 32px 80px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
  background:
    radial-gradient(circle at 20% 20%, rgba(56, 189, 248, 0.22), transparent 35%),
    radial-gradient(circle at 85% 25%, rgba(34, 197, 94, 0.12), transparent 28%),
    linear-gradient(135deg, #020617, #0f172a 60%, #1e293b);
}

.hero-content {
  max-width: 780px;
}

.badge,
.eyebrow {
  display: inline-block;
  margin-bottom: 20px;
  padding: 9px 15px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: #7dd3fc;
  font-weight: 700;
  font-size: 14px;
}

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

h1 {
  margin-bottom: 28px;
  font-size: clamp(44px, 7vw, 82px);
  line-height: 1.02;
  letter-spacing: -2.5px;
}

h1 span {
  display: block;
  color: var(--primary);
}

.subtitle {
  max-width: 720px;
  margin-bottom: 20px;
  color: #e2e8f0;
  font-size: 21px;
  line-height: 1.65;
}

.hero-note {
  max-width: 680px;
  margin-bottom: 34px;
  color: var(--muted-2);
  font-size: 17px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 28px;
}

.btn {
  display: inline-block;
  padding: 16px 24px;
  border-radius: 14px;
  font-weight: 800;
  text-decoration: none;
  transition: 0.2s;
}

.btn-primary {
  background: var(--primary);
  color: var(--bg);
}

.btn-primary:hover {
  background: #7dd3fc;
  transform: translateY(-2px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.09);
  color: var(--text);
  border: 1px solid var(--card-border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

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

.hero-trust span {
  padding: 9px 12px;
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.08);
  font-size: 13px;
}

.hero-preview {
  display: flex;
  justify-content: center;
}

.app-window {
  width: 100%;
  max-width: 560px;
  padding: 22px;
  border-radius: 24px;
  background: rgba(15, 23, 42, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 32px 100px rgba(0, 0, 0, 0.45);
}

.window-dots {
  display: flex;
  gap: 8px;
  margin-bottom: 22px;
}

.window-dots span {
  width: 11px;
  height: 11px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.25);
}

.search-box {
  padding: 18px;
  margin-bottom: 18px;
  border-radius: 16px;
  background: #020617;
  border: 1px solid rgba(56, 189, 248, 0.32);
  color: #e0f2fe;
  font-size: 17px;
}

.result-card {
  padding: 18px;
  margin-bottom: 14px;
  border-radius: 18px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.2);
}

.result-card.muted {
  background: rgba(255, 255, 255, 0.06);
}

.result-title {
  margin-bottom: 8px;
  color: #7dd3fc;
  font-weight: 800;
}

.result-card p {
  margin-bottom: 12px;
  color: #e2e8f0;
  line-height: 1.55;
}

.source {
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--muted-2);
  font-size: 13px;
}

.section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 92px 24px;
}

.section-heading {
  max-width: 820px;
  margin: 0 auto 44px;
  text-align: center;
}

.section-heading h2,
.download-box h2 {
  margin-bottom: 18px;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.12;
  letter-spacing: -1.5px;
}

.section-heading p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}

.grid {
  display: grid;
  gap: 22px;
}

.grid.two {
  grid-template-columns: repeat(2, 1fr);
}

.grid.three {
  grid-template-columns: repeat(3, 1fr);
}

.grid.four {
  grid-template-columns: repeat(4, 1fr);
}

.card {
  padding: 28px;
  border-radius: 24px;
  background: var(--card);
  border: 1px solid var(--card-border);
}

.card .icon {
  margin-bottom: 16px;
  font-size: 30px;
}

.card h3 {
  margin-bottom: 12px;
  font-size: 22px;
}

.card p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.7;
}

.card ul {
  margin: 0;
  padding-left: 22px;
}

.card li {
  margin: 12px 0;
  color: #dbeafe;
  line-height: 1.5;
}

.warning-card {
  border-color: rgba(245, 158, 11, 0.32);
}

.success-card {
  border-color: rgba(34, 197, 94, 0.32);
}

.questions {
  display: grid;
  gap: 16px;
  max-width: 820px;
  margin: 0 auto;
}

.question {
  padding: 20px 22px;
  border-radius: 18px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.2);
  color: #e0f2fe;
  font-size: 18px;
  line-height: 1.5;
}

.tags {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.tags span {
  padding: 12px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.09);
  color: #dbeafe;
  font-size: 14px;
}

.download-section {
  padding: 96px 24px;
  background:
    radial-gradient(circle at center, rgba(56, 189, 248, 0.18), transparent 35%),
    #0f172a;
}

.download-box {
  max-width: 920px;
  margin: 0 auto;
  padding: 44px;
  border-radius: 30px;
  text-align: center;
  background: rgba(2, 6, 23, 0.68);
  border: 1px solid var(--card-border);
  box-shadow: 0 32px 100px rgba(0, 0, 0, 0.35);
}

.download-box > p {
  max-width: 680px;
  margin: 0 auto 26px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}

.version-box {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 30px;
  padding: 12px 16px;
  border-radius: 999px;
  background: rgba(34, 197, 94, 0.12);
  color: #bbf7d0;
  border: 1px solid rgba(34, 197, 94, 0.22);
}

.download-actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 28px;
}

.download-btn {
  padding: 20px;
  border-radius: 18px;
  text-align: left;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid var(--card-border);
  transition: 0.2s;
}

.download-btn:hover {
  transform: translateY(-3px);
  background: rgba(255, 255, 255, 0.14);
}

.download-btn span {
  display: block;
  margin-bottom: 8px;
  font-weight: 800;
}

.download-btn small {
  color: var(--muted-2);
}

.primary-download {
  background: var(--primary);
  color: var(--bg);
}

.primary-download small {
  color: #0f172a;
}

.download-note {
  margin-bottom: 0 !important;
  font-size: 15px !important;
}

.download-note a {
  color: #7dd3fc;
  text-decoration: none;
}

.download-note a:hover {
  text-decoration: underline;
}

.footer {
  padding: 34px 32px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  background: #020617;
  color: var(--muted-2);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer p {
  margin: 6px 0 0;
}

.footer a {
  color: #7dd3fc;
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

@media (max-width: 1000px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero-content {
    max-width: 100%;
    text-align: center;
  }

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

  .grid.four,
  .grid.three {
    grid-template-columns: repeat(2, 1fr);
  }

  .download-actions {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .navbar {
    position: static;
    padding: 16px;
  }

  .nav-links {
    display: none;
  }

  .hero {
    padding: 64px 18px;
  }

  h1 {
    letter-spacing: -1.2px;
  }

  .subtitle {
    font-size: 18px;
  }

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

  .btn {
    width: 100%;
    text-align: center;
  }

  .section {
    padding: 70px 18px;
  }

  .grid.two,
  .grid.three,
  .grid.four {
    grid-template-columns: 1fr;
  }

  .download-section {
    padding: 70px 18px;
  }

  .download-box {
    padding: 28px 18px;
  }

  .footer {
    flex-direction: column;
    text-align: center;
  }
}