:root {
  color-scheme: light;
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-alt: #f1f5f9;
  --text: #0f172a;
  --muted: #475569;
  --primary: #1d4ed8;
  --primary-dark: #1e40af;
  --accent: #14b8a6;
  --border: #e2e8f0;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

header {
  position: sticky;
  top: 0;
  background: rgba(248, 250, 252, 0.92);
  backdrop-filter: blur(10px);
  z-index: 10;
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  gap: 16px;
  flex-wrap: wrap;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  font-size: 0.95rem;
  color: var(--muted);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo img {
  width: 120px;
  height: auto;
}

.hero {
  padding: 56px 0 32px;
}

.hero-grid {
  display: grid;
  gap: 28px;
}

.hero-content {
  display: grid;
  gap: 18px;
}

.hero h1 {
  font-size: clamp(2rem, 3vw, 3rem);
  line-height: 1.15;
  margin: 0;
}

.hero p {
  margin: 0;
  color: var(--muted);
  max-width: 42ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-image {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  position: relative;
}

.hero-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(15, 23, 42, 0.25), rgba(20, 184, 166, 0.08));
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 12px 24px rgba(29, 78, 216, 0.25);
}

.btn-primary:hover,
.btn-primary:focus {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

.btn-secondary {
  background: #fff;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover,
.btn-secondary:focus {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.section {
  padding: 56px 0;
}

.section-alt {
  background: var(--surface-alt);
}

.section h2 {
  margin: 0 0 16px;
  font-size: clamp(1.5rem, 2.5vw, 2.2rem);
}

.section p {
  color: var(--muted);
  margin: 0 0 16px;
}

.grid {
  display: grid;
  gap: 20px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: 0 6px 16px rgba(15, 23, 42, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.card h3 {
  margin: 10px 0 8px;
  font-size: 1.1rem;
}

.inline-icon {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(20, 184, 166, 0.12);
  color: var(--accent);
}

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

.feature {
  display: grid;
  gap: 8px;
  padding: 16px;
  border-radius: 14px;
  background: #ffffff;
  border: 1px solid var(--border);
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(29, 78, 216, 0.1);
  color: var(--primary);
  font-weight: 600;
  font-size: 0.85rem;
}

.steps {
  counter-reset: step;
  display: grid;
  gap: 16px;
}

.step {
  padding: 18px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: #fff;
  position: relative;
}

.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  top: -14px;
  left: 16px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 16px;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.footer {
  padding: 32px 0;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
}

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

.reveal {
  opacity: 0;
  transform: translateY(14px);
  animation: fadeUp 0.6s ease forwards;
}

.reveal.delay-1 { animation-delay: 0.1s; }
.reveal.delay-2 { animation-delay: 0.2s; }
.reveal.delay-3 { animation-delay: 0.3s; }

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 768px) {
  .hero {
    padding: 80px 0 48px;
  }

  .hero-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: center;
  }

  .grid.two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid.three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .feature-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .nav {
    flex-wrap: nowrap;
  }
}

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

  .reveal,
  .btn,
  .card {
    animation: none !important;
    transition: none !important;
    transform: none !important;
  }
}