:root {
  --bg: #0f172a;
  --bg-alt: #111c34;
  --bg-muted: #f6f8fb;
  --bg-card: #ffffff;
  --text: #111827;
  --text-muted: #4b5563;
  --text-invert: #f9fafb;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --accent: #14b8a6;
  --border: #dbe1ef;
  --shadow: 0 20px 35px -25px rgba(15, 23, 42, 0.4);
  --radius: 18px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background-color: #fff;
  line-height: 1.6;
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.site-header {
  background: linear-gradient(135deg, #0f172a, #1e293b);
  color: var(--text-invert);
  padding: 1.2rem 0;
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  box-shadow: 0 8px 24px -18px rgba(15, 23, 42, 0.8);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand h1 {
  font-size: 1.2rem;
  font-weight: 600;
}

.tagline {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.75);
}

.logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(37, 99, 235, 0.15);
  border: 1px solid rgba(148, 163, 184, 0.35);
  font-weight: 600;
  color: var(--text-invert);
}

.logo.small {
  width: 32px;
  height: 32px;
  font-size: 0.8rem;
}

.main-nav,
.footer-nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.main-nav a,
.footer-nav a {
  color: rgba(248, 250, 252, 0.9);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.25rem 0.5rem;
  border-radius: 8px;
  transition: background 0.2s ease, color 0.2s ease;
}

.main-nav a:hover,
.footer-nav a:hover {
  background: rgba(37, 99, 235, 0.2);
  color: #fff;
}

.hero {
  position: relative;
  padding: 6rem 0 4rem;
  background: radial-gradient(circle at 15% 20%, rgba(37, 99, 235, 0.12), transparent 45%),
    radial-gradient(circle at 85% 0%, rgba(20, 184, 166, 0.1), transparent 40%),
    linear-gradient(160deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
  color: var(--text-invert);
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: rgba(59, 130, 246, 0.08);
  filter: blur(60px);
  bottom: -120px;
  right: -80px;
}

.hero-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3rem;
  align-items: center;
}

.hero-text h2 {
  font-size: clamp(2.2rem, 4vw, 2.8rem);
  line-height: 1.2;
  margin-bottom: 1.4rem;
}

.hero-text p {
  color: rgba(248, 250, 252, 0.8);
  font-size: 1.05rem;
  margin-bottom: 2rem;
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.cta,
.ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cta {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 18px 30px -20px rgba(37, 99, 235, 0.8);
}

.cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 30px -12px rgba(37, 99, 235, 0.6);
  background: var(--primary-dark);
}

.ghost {
  border: 1px solid rgba(148, 163, 184, 0.4);
  color: rgba(248, 250, 252, 0.85);
}

.ghost:hover {
  border-color: rgba(248, 250, 252, 0.8);
  color: #fff;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  font-size: 0.9rem;
  color: rgba(248, 250, 252, 0.75);
}

.hero-card {
  background: rgba(15, 23, 42, 0.65);
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: var(--radius);
  padding: 2rem;
  backdrop-filter: blur(14px);
  box-shadow: 0 30px 60px -40px rgba(15, 23, 42, 0.9);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.card-header h3 {
  font-size: 1.1rem;
}

.badge {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.18);
  color: #bfdbfe;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}

.card-list {
  list-style: none;
  display: grid;
  gap: 1rem;
}

.card-list li {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 0.5rem;
  align-items: center;
  font-size: 0.95rem;
}

.card-list .label {
  color: rgba(148, 163, 184, 0.85);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}

.card-list .value {
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
}

.progress {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
}

.progress-bar {
  display: inline-block;
  height: 0.6rem;
  border-radius: 999px;
  background: linear-gradient(90deg, #38bdf8, #2563eb);
}

.progress-text {
  font-size: 0.85rem;
  color: rgba(248, 250, 252, 0.75);
}

.card-footer {
  margin-top: 1.8rem;
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: rgba(248, 250, 252, 0.65);
}

.status.good {
  color: #34d399;
  font-weight: 600;
}

.section {
  padding: 5rem 0;
}

.section h2 {
  font-size: clamp(1.9rem, 4vw, 2.4rem);
  margin-bottom: 1.5rem;
  line-height: 1.25;
}

.section p {
  color: var(--text-muted);
  font-size: 1rem;
}

.section.muted {
  background: var(--bg-muted);
}

.two-col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 3rem;
  align-items: start;
}

.highlight-list {
  list-style: none;
  display: grid;
  gap: 1.5rem;
}

.highlight-list h3 {
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
}

.highlight-list p {
  color: var(--text-muted);
}

.feature-grid {
  margin-top: 3rem;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.feature-tile {
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  padding: 1.75rem;
  border: 1px solid rgba(15, 23, 42, 0.06);
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-tile:hover {
  transform: translateY(-4px);
  box-shadow: 0 25px 40px -35px rgba(15, 23, 42, 0.5);
}

.feature-tile h3 {
  font-size: 1.1rem;
  margin-bottom: 0.9rem;
}

.bullet-list {
  list-style: none;
  display: grid;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.bullet-list li {
  padding-left: 1.5rem;
  position: relative;
}

.bullet-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-weight: 600;
}

.platform-card {
  background: #0f172a;
  color: rgba(248, 250, 252, 0.9);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  border: 1px solid rgba(148, 163, 184, 0.25);
}

.platform-card h3 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.platform-card ul {
  list-style: none;
  display: grid;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.platform-card li {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.platform-card strong {
  font-size: 1rem;
}

.platform-card span {
  font-size: 0.9rem;
  color: rgba(226, 232, 240, 0.8);
}

.roadmap-note {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(148, 163, 184, 0.25);
  border-radius: var(--radius-sm);
  padding: 1rem;
}

.stats {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1.5rem;
}

.stats-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
}

.stats-label {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.checklist {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 2rem;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: var(--shadow);
}

.checklist h3 {
  margin-bottom: 1rem;
}

.checklist ul {
  list-style: none;
  display: grid;
  gap: 0.8rem;
}

.checklist li {
  padding-left: 1.5rem;
  position: relative;
  color: var(--text-muted);
}

.checklist li::before {
  content: '•';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--primary);
  font-size: 1.2rem;
  line-height: 1;
}

.timeline {
  background: linear-gradient(180deg, #f6f8fb 0%, #eef2ff 100%);
}

.timeline-grid {
  margin-top: 3rem;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.timeline-item {
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  padding: 1.8rem;
  border: 1px solid rgba(15, 23, 42, 0.06);
  box-shadow: var(--shadow);
}

.timeline-phase {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 0.6rem;
}

.contact {
  background: var(--bg);
  color: var(--text-invert);
}

.contact-card {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3rem;
  align-items: start;
}

.contact-list {
  list-style: none;
  margin-top: 1.5rem;
  display: grid;
  gap: 0.8rem;
  color: rgba(248, 250, 252, 0.8);
}

.contact-form {
  background: rgba(15, 23, 42, 0.75);
  border-radius: var(--radius);
  padding: 2rem;
  border: 1px solid rgba(148, 163, 184, 0.2);
  display: grid;
  gap: 0.9rem;
}

.contact-form label {
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(248, 250, 252, 0.75);
}

.contact-form input,
.contact-form textarea {
  border: 1px solid rgba(148, 163, 184, 0.35);
  border-radius: 10px;
  background: rgba(15, 23, 42, 0.6);
  color: #fff;
  padding: 0.75rem;
  font-size: 0.95rem;
  transition: border 0.2s ease, background 0.2s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: rgba(37, 99, 235, 0.65);
  background: rgba(15, 23, 42, 0.8);
}

.contact-form button {
  margin-top: 0.5rem;
  padding: 0.9rem 1.2rem;
  border-radius: 12px;
  border: none;
  background: linear-gradient(120deg, #2563eb, #1d4ed8);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.contact-form button:hover {
  transform: translateY(-1px);
  box-shadow: 0 15px 30px -20px rgba(37, 99, 235, 0.8);
}

.form-note {
  font-size: 0.75rem;
  color: rgba(148, 163, 184, 0.8);
}

.site-footer {
  background: #0b1220;
  color: rgba(248, 250, 252, 0.7);
  padding: 2rem 0;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: center;
  justify-content: space-between;
  font-size: 0.9rem;
}

.footer-copy {
  font-size: 0.8rem;
  color: rgba(248, 250, 252, 0.5);
}

@media (max-width: 900px) {
  .site-header .container {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero {
    padding-top: 5rem;
  }

  .card-list li {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .cta-group {
    flex-direction: column;
    align-items: stretch;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

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

  .timeline-grid {
    grid-template-columns: 1fr;
  }

  .footer-content {
    flex-direction: column;
    align-items: flex-start;
  }
}