:root {
  --bg: #07111f;
  --bg-soft: rgba(10, 21, 38, 0.8);
  --bg-alt: rgba(11, 24, 43, 0.92);
  --card: rgba(12, 25, 44, 0.7);
  --line: rgba(140, 190, 255, 0.16);
  --line-strong: rgba(140, 190, 255, 0.32);
  --text: #eaf3ff;
  --muted: #9db3cb;
  --accent: #77c6ff;
  --accent-2: #71ffd1;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(75, 157, 255, 0.08), transparent 30%),
    radial-gradient(circle at bottom right, rgba(113, 255, 209, 0.08), transparent 24%),
    linear-gradient(180deg, #050d19 0%, #08111f 100%);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

body.nav-open {
  overflow: hidden;
}

.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.2;
  background-image:
    linear-gradient(rgba(119, 198, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(119, 198, 255, 0.06) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(circle at center, black 45%, transparent 90%);
}

.bg-glow {
  position: fixed;
  width: 420px;
  height: 420px;
  border-radius: 999px;
  filter: blur(80px);
  opacity: 0.18;
  pointer-events: none;
}

.bg-glow-1 {
  background: var(--accent);
  top: -80px;
  right: -80px;
}

.bg-glow-2 {
  background: var(--accent-2);
  bottom: -120px;
  left: -80px;
}

img {
  max-width: 100%;
}

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

.container {
  width: min(var(--container), calc(100% - 2rem));
  margin: 0 auto;
}

.section {
  position: relative;
  padding: 5.5rem 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.015), rgba(255, 255, 255, 0.03));
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(5, 13, 25, 0.6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 1rem 0;
}


.brand {
  display: inline-flex;
  align-items: center;
}

.brand-logo {
  width: min(280px, 42vw);
  height: auto;
  display: block;
}

.hero-logo {
  width: min(340px, 100%);
  height: auto;
  display: block;
  margin: 0.75rem 0 1.15rem;
  filter: drop-shadow(0 10px 22px rgba(35, 150, 255, 0.22));
}

.footer-logo {
  width: 220px;
  height: auto;
  display: block;
  margin-bottom: 0.7rem;
}

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

.site-nav a {
  color: var(--muted);
  font-size: 0.96rem;
  transition: color 0.2s ease;
}

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

.nav-toggle {
  display: none;
  border: 0;
  background: transparent;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  padding: 0;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  margin: 5px auto;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.eyebrow {
  margin: 0 0 0.9rem;
  color: var(--accent-2);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 700;
}

.hero {
  padding-top: 6.5rem;
}

.hero-grid,
.split-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2rem;
  align-items: center;
}

.reverse {
  grid-template-columns: 0.95fr 1.05fr;
}

.hero h1,
.section-head h2,
.split-intro h2,
.cta-box h2 {
  margin: 0;
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 5rem);
  max-width: 11ch;
}

.hero-text,
.section-head p,
.split-intro p,
.tech-card p,
.cta-box p,
.site-footer p {
  color: var(--muted);
  line-height: 1.75;
}

.hero-text {
  max-width: 62ch;
  margin: 1.5rem 0 0;
  font-size: 1.06rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.85rem 1.2rem;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

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

.btn-primary {
  background: linear-gradient(135deg, rgba(119, 198, 255, 0.18), rgba(113, 255, 209, 0.16));
  border: 1px solid rgba(119, 198, 255, 0.35);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), var(--shadow);
}

.btn-secondary,
.btn-nav {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.tech-card {
  background: linear-gradient(180deg, rgba(13, 29, 50, 0.75), rgba(7, 17, 31, 0.88));
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.main-card {
  padding: 1.7rem;
  min-height: 290px;
  position: relative;
  overflow: hidden;
}

.card-topline {
  color: var(--accent);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 700;
}

.main-card h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin: 1rem 0;
  letter-spacing: -0.04em;
}

.signal-lines {
  display: grid;
  gap: 0.8rem;
  margin-top: 2rem;
}

.signal-lines span {
  display: block;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(119, 198, 255, 0.95), transparent);
}

.stat-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
}

.stat-card {
  padding: 1.15rem;
}

.stat-card strong,
.area-card h3,
.feature-card h3,
.tech-card h3 {
  display: block;
  margin-bottom: 0.55rem;
  font-size: 1.05rem;
}

.section-head {
  max-width: 820px;
  margin-bottom: 2rem;
}

.section-head h2,
.split-intro h2,
.cta-box h2 {
  font-size: clamp(2rem, 4vw, 3.3rem);
  margin-bottom: 1rem;
}

.philosophy-grid,
.cards-grid {
  display: grid;
  gap: 1.25rem;
}

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

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

.philosophy-grid .tech-card,
.area-card,
.feature-card,
.timeline-card,
.cta-box {
  padding: 1.45rem;
}

.timeline-card {
  display: grid;
  gap: 1.25rem;
}

.timeline-step {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 1rem;
  align-items: start;
}

.timeline-dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  margin-top: 0.55rem;
  box-shadow: 0 0 0 5px rgba(119, 198, 255, 0.08);
}

.feature-stack {
  display: grid;
  gap: 1rem;
}

.quote-block {
  text-align: center;
}

.quote {
  margin: 0 auto;
  max-width: 900px;
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  line-height: 1.35;
  letter-spacing: -0.03em;
  color: var(--text);
}

.cta-section {
  padding-top: 2rem;
}

.cta-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.site-footer {
  padding: 1.5rem 0 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-wrap {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

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

.delay-1 { transition-delay: 0.08s; }
.delay-2 { transition-delay: 0.16s; }
.delay-3 { transition-delay: 0.24s; }

@media (max-width: 980px) {
  .hero-grid,
  .split-grid,
  .reverse,
  .philosophy-grid,
  .cards-grid,
  .cta-box,
  .footer-wrap {
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .hero h1 {
    max-width: 14ch;
  }

  .site-nav {
    position: fixed;
    top: 74px;
    left: 1rem;
    right: 1rem;
    display: grid;
    gap: 0.75rem;
    padding: 1rem;
    border-radius: 22px;
    background: rgba(8, 17, 31, 0.97);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 0.25s ease, transform 0.25s ease;
  }

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

  .nav-toggle {
    display: block;
  }

  .stat-row,
  .philosophy-grid,
  .cards-grid {
    grid-template-columns: 1fr;
  }

  .cta-box {
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 4rem 0;
  }

  .hero {
    padding-top: 4.5rem;
  }

  .container {
    width: min(var(--container), calc(100% - 1.2rem));
  }

  .main-card,
  .philosophy-grid .tech-card,
  .area-card,
  .feature-card,
  .timeline-card,
  .cta-box {
    padding: 1.2rem;
  }

  .brand-logo {
    width: min(210px, 60vw);
  }

  .hero-logo {
    width: min(280px, 100%);
  }

  .footer-logo {
    width: 170px;
  }
}