:root {
  --bg: #060e24;
  --bg-alt: #0a1738;
  --panel: #101f48;
  --text: #e6ecff;
  --muted: #b7c1de;
  --primary: #1fa4ff;
  --primary-hover: #0d8eea;
  --accent-red: #ff3b1f;
  --accent-red-hover: #ef2f14;
  --ring: rgba(31, 164, 255, 0.35);
  --border: rgba(230, 236, 255, 0.15);
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

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

.container {
  width: min(var(--max-width), 92vw);
  margin: 0 auto;
}

#how-it-works,
#capabilities,
#cta {
  scroll-margin-top: 88px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(6, 14, 36, 0.86);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
}

.logo-mark {
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 0.55rem;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.2rem;
  margin: 0;
  padding: 0;
  color: var(--muted);
  font-weight: 500;
}

.hero {
  padding: 5.5rem 0 3rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
  align-items: start;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #95b3ff;
  font-size: 0.75rem;
  font-weight: 700;
  margin: 0 0 0.8rem;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.3rem);
  line-height: 1.1;
  margin: 0 0 1rem;
}

.gradient {
  background: linear-gradient(130deg, #34b6ff, var(--accent-red));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-copy {
  color: var(--muted);
  max-width: 62ch;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 0.8rem;
  margin: 1.35rem 0 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.65rem;
  padding: 0.75rem 1.15rem;
  min-height: 44px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: 150ms ease;
}

.btn-primary {
  background: linear-gradient(120deg, var(--primary), var(--accent-red));
  color: white;
}

.btn-primary:hover {
  background: linear-gradient(120deg, var(--primary-hover), var(--accent-red-hover));
}

.btn-secondary {
  border-color: var(--border);
  color: var(--text);
}

.btn-secondary:hover {
  border-color: #6f8ac7;
}

.hero-points {
  list-style: none;
  margin: 0.8rem 0 0;
  padding: 0;
  color: var(--muted);
}

.hero-points li {
  margin: 0.45rem 0;
}

.hero-card {
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.2rem;
  background: linear-gradient(165deg, rgba(31, 164, 255, 0.17), rgba(255, 59, 31, 0.12));
}

.hero-card h2 {
  margin-top: 0;
  font-size: 1.1rem;
}

.hero-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  color: var(--muted);
}

.hero-card li {
  padding: 0.55rem 0;
  border-bottom: 1px solid rgba(230, 236, 255, 0.1);
}

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

.section {
  padding: 4rem 0;
}

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

h2 {
  margin: 0 0 0.85rem;
  font-size: clamp(1.55rem, 3vw, 2.3rem);
}

h3 {
  margin-top: 0;
  margin-bottom: 0.55rem;
}

.section-copy {
  color: var(--muted);
  max-width: 70ch;
  line-height: 1.6;
}

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

.step-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  padding: 1rem;
}

.step-card p {
  color: var(--muted);
  margin-bottom: 0;
}

.step-index {
  display: inline-flex;
  margin-bottom: 0.65rem;
  color: #8fb4ff;
  font-weight: 700;
}

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

.capability {
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  padding: 1rem;
  background: rgba(20, 31, 63, 0.4);
}

.capability ul {
  margin: 0;
  padding-left: 1rem;
  color: var(--muted);
  line-height: 1.5;
}

.proof-grid {
  margin-top: 1.2rem;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.proof-grid article {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  padding: 1rem;
}

.proof-grid p {
  color: var(--muted);
  margin-bottom: 0;
}

.cta {
  padding: 2rem 0 5rem;
}

.cta-box {
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.4rem;
  background: linear-gradient(150deg, rgba(31, 164, 255, 0.18), rgba(255, 59, 31, 0.11));
}

.cta-form {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.8rem;
}

.cta-form label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.cta-form input {
  border: 1px solid var(--border);
  background: rgba(11, 16, 32, 0.9);
  color: var(--text);
  border-radius: 0.65rem;
  padding: 0.65rem 0.75rem;
  min-height: 44px;
  font-size: 16px;
  outline: none;
}

.cta-form input:focus {
  border-color: #6f8ac7;
  box-shadow: 0 0 0 3px var(--ring);
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.25rem 0 2rem;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
}

.footer-links {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
}

@media (max-width: 1024px) {
  .hero-grid,
  .steps,
  .capability-grid,
  .proof-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 720px) {
  .container {
    width: 94vw;
  }

  .nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.55rem;
    padding: 0.65rem 0;
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
    white-space: nowrap;
    gap: 0.6rem;
    padding-bottom: 0.2rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .nav-links::-webkit-scrollbar {
    display: none;
  }

  .nav-links a {
    display: inline-flex;
    align-items: center;
    min-height: 40px;
    padding: 0.35rem 0.7rem;
    border: 1px solid var(--border);
    border-radius: 999px;
  }

  .hero,
  .section {
    padding: 2.5rem 0;
  }

  .hero {
    padding-top: 2.8rem;
  }

  h1 {
    font-size: clamp(1.75rem, 8.5vw, 2.3rem);
  }

  .hero-copy,
  .section-copy,
  .capability ul,
  .proof-grid p {
    font-size: 0.98rem;
  }

  .hero-grid,
  .steps,
  .capability-grid,
  .proof-grid,
  .cta-form {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn,
  .cta-form .btn {
    width: 100%;
  }

  .footer {
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-start;
  }

  .footer-links {
    flex-wrap: wrap;
    gap: 0.65rem;
  }
}

@media (max-width: 420px) {
  .container {
    width: 95vw;
  }

  .hero-card,
  .step-card,
  .capability,
  .proof-grid article,
  .cta-box {
    padding: 0.9rem;
  }
}