:root {
  --bg: #09111b;
  --bg-soft: #0f1a26;
  --surface: rgba(12, 24, 37, 0.72);
  --surface-strong: rgba(7, 16, 26, 0.84);
  --text: #eaf4ff;
  --muted: #b8c9dc;
  --line: rgba(176, 204, 233, 0.24);
  --accent: #58c2e8;
  --accent-strong: #1f96c5;
  --maxw: 1180px;
  --radius: 18px;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.36);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: "Avenir Next", "Segoe UI", "Trebuchet MS", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 12% 15%, #1d324b, transparent 35%),
    radial-gradient(circle at 82% 7%, #15384f, transparent 36%), var(--bg);
  line-height: 1.45;
}

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

.container {
  width: min(var(--maxw), calc(100% - 2.5rem));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  z-index: 30;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1.4rem;
  background: linear-gradient(180deg, rgba(5, 9, 14, 0.74), rgba(5, 9, 14, 0.1));
  backdrop-filter: blur(4px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  letter-spacing: 0.14em;
  font-size: 0.86rem;
  font-weight: 700;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.site-nav a:hover {
  color: var(--text);
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: rgba(10, 20, 29, 0.7);
  color: var(--text);
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  overflow: clip;
}

.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(1, 7, 13, 0.2), rgba(1, 7, 13, 0.6) 44%, rgba(5, 14, 22, 0.95));
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(130, 175, 212, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(130, 175, 212, 0.1) 1px, transparent 1px);
  background-size: 78px 78px;
  mask-image: radial-gradient(circle at 50% 35%, black 0%, rgba(0, 0, 0, 0) 82%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 6rem 0 5rem;
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.17em;
  color: #a9dff4;
  font-size: 0.74rem;
  font-weight: 600;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.06;
}

h1 {
  margin-top: 0.7rem;
  max-width: 14ch;
  font-size: clamp(2.25rem, 6vw, 4.95rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.hero-copy {
  max-width: 58ch;
  margin: 1.35rem 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.8vw, 1.2rem);
}

.hero-actions {
  margin-top: 1.65rem;
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  border-radius: 999px;
  padding: 0.7rem 1.2rem;
  font-size: 0.89rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 700;
  border: 1px solid transparent;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #001017;
}

.button-ghost {
  border-color: var(--line);
  color: var(--text);
  background: rgba(10, 22, 32, 0.5);
}

.section {
  padding: 5.5rem 0;
}

.section-tint {
  background: linear-gradient(180deg, rgba(13, 26, 40, 0.95), rgba(7, 18, 28, 0.95));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-head h2 {
  margin-top: 0.7rem;
  font-size: clamp(1.8rem, 4vw, 3rem);
}

.section-head {
  max-width: 68ch;
}

.card {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.35rem;
}

.stat-grid,
.flow-grid,
.reliability-grid {
  margin-top: 1.5rem;
  display: grid;
  gap: 1rem;
}

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

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

.stat-card h3 {
  font-size: clamp(1.9rem, 3.8vw, 3rem);
  color: #c7ecfa;
}

.card p {
  margin: 0.6rem 0 0;
  color: var(--muted);
}

.step {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #8fd7f2;
}

.flow-card h3,
.reliability-grid h3 {
  margin-top: 0.4rem;
  font-size: 1.2rem;
}

.cta {
  padding-top: 4.5rem;
  padding-bottom: 5.5rem;
}

.cta-wrap {
  border: 1px solid rgba(106, 179, 225, 0.45);
  border-radius: calc(var(--radius) + 6px);
  background: linear-gradient(145deg, rgba(13, 35, 52, 0.85), rgba(7, 18, 29, 0.92));
  box-shadow: var(--shadow);
  text-align: center;
  padding: clamp(1.4rem, 4vw, 3.4rem);
}

.cta-wrap h2 {
  font-size: clamp(1.7rem, 3.8vw, 2.8rem);
}

.cta-wrap p {
  color: var(--muted);
  max-width: 56ch;
  margin: 0.9rem auto 0;
}

.cta-wrap .hero-actions {
  justify-content: center;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.1rem 0 1.6rem;
  color: #9fb6cb;
  font-size: 0.88rem;
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 580ms ease, transform 580ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 940px) {
  .flow-grid,
  .reliability-grid,
  .stat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 740px) {
  .menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: fixed;
    top: 4rem;
    right: 1rem;
    left: 1rem;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--surface-strong);
    padding: 0.9rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-6px);
    transition: opacity 180ms ease, transform 180ms ease;
  }

  .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .hero-content {
    padding-bottom: 3rem;
  }

  .flow-grid,
  .reliability-grid,
  .stat-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .button {
    transition: none;
  }

  .button:hover {
    transform: none;
  }
}