:root {
  --bg: #0f172a;
  --card: #16203a;
  --accent: #38bdf8;
  --accent-dark: #0ea5e9;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --border: rgba(148, 163, 184, 0.3);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  /* background: radial-gradient(circle at top, #1e293b, var(--bg)); */
  color: var(--text);
  line-height: 1.6;
}

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

main.landing {
  padding: 4rem 1.5rem 5rem;
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
  align-items: center;
}

.hero__content h1 {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  margin: 0.35em 0;
}

.hero__content p {
  color: var(--muted);
  max-width: 520px;
}

.hero__eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.75rem;
  color: var(--accent);
}

.hero__actions {
  margin: 1.5rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn {
  border-radius: 999px;
  padding: 0.85rem 1.8rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn--primary {
  background: var(--accent);
  color: #0f172a;
}

.btn--primary:hover {
  background: var(--accent-dark);
}

.btn--ghost {
  border: 1px solid var(--border);
  color: var(--text);
}

.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn--secondary {
  background: #22d3ee;
  color: #0f172a;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.hero__stats .value {
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.hero__stats .label {
  color: var(--muted);
  margin: 0;
}

.hero__panel {
  background: linear-gradient(145deg, rgba(56, 189, 248, 0.1), rgba(14, 165, 233, 0.05));
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 1.75rem;
  box-shadow: 0 15px 35px rgba(15, 23, 42, 0.35);
}

.hero__panel ul {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
}

.hero__panel li {
  display: flex;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}

.hero__panel li:last-child {
  border-bottom: 0;
}

.panel__title {
  text-transform: uppercase;
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.2em;
}

.panel__footer {
  font-size: 0.9rem;
  color: var(--muted);
}

.features h2,
.callout h2,
.cta h2 {
  margin-top: 0;
  font-size: clamp(2rem, 3vw, 2.5rem);
}

.features .feature-grid {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.features article {
  background: var(--card);
  padding: 1.5rem;
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.25);
}

.callout {
  background: linear-gradient(120deg, rgba(56, 189, 248, 0.2), rgba(94, 234, 212, 0.2));
  border-radius: 20px;
  padding: 2.5rem;
  text-align: center;
}

.cta {
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2.5rem;
  background: rgba(15, 23, 42, 0.5);
  text-align: center;
}

.cta__form {
  margin: 1.5rem auto;
  max-width: 420px;
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.cta__form input {
  flex: 1;
  min-width: 200px;
  border-radius: 999px;
  border: 1px solid var(--border);
  padding: 0.85rem 1.2rem;
  background: rgba(15, 23, 42, 0.6);
  color: var(--text);
}

.cta__form input:focus {
  outline: 2px solid var(--accent);
  border-color: var(--accent);
}

.cta__note {
  color: var(--muted);
  margin: 0;
}

@media (max-width: 640px) {
  .hero__stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero__panel {
    order: -1;
  }
}

/* Navbar Styles */
.navbar {
  background: rgba(22, 32, 58, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.3);
}

.navbar__container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.navbar__brand {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.2s ease;
}

.navbar__brand:hover {
  color: var(--accent);
}

.navbar__nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.navbar__link {
  color: var(--muted);
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar__link:hover {
  color: var(--accent);
  background: rgba(56, 189, 248, 0.1);
}

.navbar__link--primary {
  background: var(--accent);
  color: #0f172a;
  font-weight: 600;
}

.navbar__link--primary:hover {
  background: var(--accent-dark);
  color: #0f172a;
}

@media (max-width: 640px) {
  .navbar {
    padding: 0.75rem 1rem;
  }

  .navbar__brand {
    font-size: 1.1rem;
  }

  .navbar__nav {
    gap: 0.75rem;
  }

  .navbar__link {
    padding: 0.4rem 0.75rem;
    font-size: 0.9rem;
  }
}