:root {
  --background: #05060a;
  --card: #0d0f16;
  --accent: #34c6f4;
  --accent-strong: #5d66ff;
  --text: #f8fbff;
  --muted: #9aa6b4;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 20px 45px rgba(5, 6, 10, 0.6);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

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

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

.container {
  width: min(1200px, 90vw);
  margin: 0 auto;
  padding: 4rem 0;
}

header.hero {
  background: radial-gradient(circle at 20% 20%, rgba(52, 198, 244, 0.25), transparent 60%),
    radial-gradient(circle at 80% 0%, rgba(93, 102, 255, 0.3), transparent 55%),
    var(--background);
  min-height: 100vh;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 2rem;
}

.logo {
  font-size: 1.1rem;
  letter-spacing: 0.2rem;
  text-transform: uppercase;
  font-weight: 600;
}

.cta {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  border: 1px solid var(--border);
  padding: 0.7rem 1.5rem;
  border-radius: 999px;
  transition: border 0.3s ease, color 0.3s ease;
}

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

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

.hero-text h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero-text .lede {
  font-size: 1.1rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.eyebrow {
  letter-spacing: 0.3rem;
  text-transform: uppercase;
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 600;
}

.hero-card {
  background: rgba(13, 15, 22, 0.7);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.hero-card ul {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
}

.hero-card li {
  display: flex;
  justify-content: space-between;
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.hero-card .label {
  color: var(--muted);
}

.hero-card .value {
  font-weight: 600;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn {
  border-radius: 999px;
  padding: 0.9rem 1.8rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
}

.btn.primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-strong));
  color: #05060a;
  box-shadow: 0 20px 30px rgba(52, 198, 244, 0.25);
}

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

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

.section:nth-of-type(odd) {
  background: #07090f;
}

.section .container {
  padding: 5rem 0;
}

.cards {
  display: grid;
  gap: 1.5rem;
}

.cards.two {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.cards.three {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 2rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.card ul {
  padding-left: 1.2rem;
  color: var(--muted);
}

.highlight {
  background: linear-gradient(135deg, rgba(52, 198, 244, 0.15), rgba(93, 102, 255, 0.2));
}

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  align-items: center;
}

.steps {
  list-style: none;
  padding: 0;
  margin: 0;
}

.steps li {
  background: rgba(5, 6, 10, 0.55);
  padding: 1.5rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  border: 1px solid var(--border);
}

.steps strong {
  display: block;
  margin-bottom: 0.4rem;
}

.stat {
  color: var(--accent);
  font-weight: 600;
  margin-top: 1rem;
}

.contact {
  background: radial-gradient(circle at top right, rgba(93, 102, 255, 0.2), transparent 60%),
    var(--background);
}

.contact .container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  align-items: center;
}

.contact-form {
  display: grid;
  gap: 1rem;
}

.contact-form label {
  display: grid;
  gap: 0.4rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.contact-form input,
.contact-form textarea {
  padding: 0.9rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(52, 198, 244, 0.2);
}

.helper-text {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 1rem;
  max-width: 420px;
}

footer {
  padding: 2rem 0 3rem;
  text-align: center;
  color: var(--muted);
}

.footer-note {
  margin-top: 0.5rem;
  font-size: 0.9rem;
}

@media (max-width: 640px) {
  .nav {
    flex-direction: column;
    gap: 1rem;
  }

  .hero-text .lede {
    font-size: 1rem;
  }

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

  .container {
    padding: 3rem 0;
  }
}