:root {
  --bg: #0c111f;
  --bg-muted: #10172c;
  --bg-accent: linear-gradient(135deg, #1a2a6c 0%, #2f5bd8 50%, #08aeea 100%);
  --text: #f0f3ff;
  --text-muted: #cfd5f5;
  --text-dark: #1a1d29;
  --primary: #4d8cff;
  --primary-dark: #3465d8;
  --secondary: #f1f5ff;
  --shadow-lg: 0 20px 45px rgba(10, 20, 60, 0.35);
  --shadow-md: 0 10px 30px rgba(10, 20, 60, 0.22);
  --radius-md: 18px;
  --radius-lg: 28px;
  --max-width: 1080px;
}

* {
  box-sizing: border-box;
}

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

a {
  color: inherit;
}

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

.hero {
  position: relative;
  isolation: isolate;
  padding: 48px 20px 140px;
  background: radial-gradient(circle at top left, rgba(77, 140, 255, 0.5), transparent 50%),
    radial-gradient(circle at top right, rgba(8, 174, 234, 0.35), transparent 55%),
    var(--bg);
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(120% 120% at 10% 10%, rgba(77, 140, 255, 0.12), transparent 65%);
  opacity: 0.8;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto 60px;
  padding: 16px 24px;
  background: rgba(16, 23, 44, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-md);
}

.nav__brand {
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.nav__contact {
  font-weight: 500;
  text-decoration: none;
}

.hero__content {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.hero__eyebrow {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(77, 140, 255, 0.18);
  border: 1px solid rgba(77, 140, 255, 0.4);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.hero__title {
  margin: 22px 0 16px;
  font-size: clamp(2.6rem, 5vw, 3.8rem);
  line-height: 1.1;
  font-weight: 700;
}

.hero__subtitle {
  margin: 0 auto 28px;
  font-size: 1.1rem;
  color: var(--text-muted);
}

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

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

.hero__card {
  max-width: 420px;
  margin: 80px auto -110px;
  padding: 32px;
  background: rgba(16, 23, 44, 0.88);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-lg);
}

.hero__card h2 {
  margin-top: 0;
  margin-bottom: 16px;
  font-size: 1.2rem;
}

.hero__card ul {
  margin: 0;
  padding-left: 20px;
  color: var(--text-muted);
}

.section {
  padding: 140px 20px;
  background: var(--bg);
}

.section--accent {
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.05), rgba(13, 49, 63, 0.1));
}

.section--contact {
  background: var(--bg-muted);
  padding-bottom: 160px;
}

.section__content {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section__content h2 {
  font-size: clamp(2rem, 4vw, 2.6rem);
  margin-bottom: 20px;
}

.section__content p {
  margin-bottom: 24px;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.grid {
  display: grid;
  gap: 26px;
  margin-top: 36px;
}

.grid--three {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.grid article {
  padding: 28px;
  background: rgba(16, 23, 44, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.grid article h3 {
  margin-top: 0;
  margin-bottom: 12px;
}

.steps {
  display: grid;
  gap: 28px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.steps article {
  padding: 32px;
  background: rgba(10, 21, 54, 0.82);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-md);
}

.steps__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  margin-bottom: 18px;
  border-radius: 50%;
  background: rgba(77, 140, 255, 0.2);
  border: 1px solid rgba(77, 140, 255, 0.35);
  font-weight: 600;
  color: var(--text-muted);
}

.section__content--split {
  display: grid;
  gap: 40px;
  align-items: stretch;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.highlight-card {
  padding: 32px;
  background: rgba(16, 23, 44, 0.85);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-md);
}

.highlight-card h3 {
  margin-top: 0;
  margin-bottom: 16px;
}

.highlight-card ul {
  margin: 0;
  padding-left: 20px;
  color: var(--text-muted);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 30px;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button--primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 12px 30px rgba(77, 140, 255, 0.35);
}

.button--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(77, 140, 255, 0.45);
  background: var(--primary-dark);
}

.button--secondary {
  background: rgba(77, 140, 255, 0.16);
  color: var(--text);
  border: 1px solid rgba(77, 140, 255, 0.4);
}

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

.footer {
  padding: 32px 20px 48px;
  background: #090d17;
  color: var(--text-muted);
}

.footer__content {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  text-align: center;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}

@media (min-width: 720px) {
  .hero__actions {
    flex-direction: row;
    justify-content: center;
  }

  .hero__card {
    margin: 80px auto -120px;
  }

  .footer__content {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }

  .footer__links {
    flex-direction: row;
    gap: 20px;
  }
}