:root {
  --arctic-navy: #0B1F33;
  --deep-arctic-blue: #123A5A;
  --glacier-blue: #6EC1E4;
  --snow-white: #F2F5F7;
  --signal-cyan: #00AEEF;
  --arctic-coral: #FF5A5F;
  --panel: rgba(31, 42, 53, 0.74);
  --border: rgba(110, 193, 228, 0.22);
  --muted: rgba(242, 245, 247, 0.72);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--snow-white);
  background:
    radial-gradient(circle at 20% 10%, rgba(0, 174, 239, 0.16), transparent 30%),
    radial-gradient(circle at 90% 30%, rgba(110, 193, 228, 0.08), transparent 34%),
    linear-gradient(135deg, var(--arctic-navy) 0%, #081827 55%, var(--deep-arctic-blue) 100%);
  min-height: 100vh;
}

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

.site-header {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { width: 44px; height: 44px; }

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.brand-text span {
  font-family: "Montserrat", sans-serif;
  font-weight: 800;
  font-size: 0.95rem;
}

.brand-text small {
  color: var(--signal-cyan);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  margin-top: 4px;
}

.nav-links {
  display: flex;
  gap: 24px;
  color: var(--muted);
  font-size: 0.92rem;
}
.nav-links a:hover { color: var(--signal-cyan); }

.hero {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 78vh;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) 420px;
  gap: 48px;
  align-items: center;
  padding: 56px 0 84px;
}

.eyebrow {
  color: var(--signal-cyan);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 700;
  font-size: 0.75rem;
  margin: 0 0 14px;
}

h1, h2, h3 { font-family: "Montserrat", sans-serif; margin: 0; }
h1 {
  font-size: clamp(2.7rem, 7vw, 5.8rem);
  line-height: 0.95;
  max-width: 900px;
  letter-spacing: -0.06em;
}
h2 {
  font-size: clamp(1.8rem, 4vw, 3.1rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
}
h3 { font-size: 1.05rem; }

.hero-copy {
  max-width: 720px;
  color: var(--muted);
  font-size: 1.18rem;
  line-height: 1.7;
  margin: 28px 0 34px;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 8px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.78rem;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  color: #061420;
  background: var(--signal-cyan);
  box-shadow: 0 0 26px rgba(0, 174, 239, 0.22);
}
.btn-secondary {
  border: 1px solid var(--glacier-blue);
  color: var(--glacier-blue);
}

.hero-panel, .card, .contact-card, .timeline-item {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 22px;
  backdrop-filter: blur(14px);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.22);
}

.hero-panel { position: relative; padding: 28px; overflow: hidden; }
.panel-line {
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, var(--signal-cyan), var(--glacier-blue), var(--arctic-coral));
}
.hero-panel h2 { font-size: 1.2rem; margin: 8px 0 20px; }
.hero-panel ul { list-style: none; padding: 0; margin: 0; }
.hero-panel li {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid rgba(242, 245, 247, 0.1);
}
.hero-panel li:last-child { border-bottom: 0; }
.hero-panel span { color: var(--signal-cyan); font-weight: 800; font-size: 0.78rem; }

.section {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 82px 0;
}

.problem, .contact {
  display: grid;
  grid-template-columns: 1fr 0.82fr;
  gap: 48px;
  align-items: start;
}

.text-block p, .contact p, .card p, .feature p, .timeline-item p {
  color: var(--muted);
  line-height: 1.7;
}

.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 36px;
}
.card { padding: 24px; min-height: 210px; }
.card h3 { margin-bottom: 12px; }

.split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 54px;
  align-items: start;
}

.feature-list { display: grid; gap: 22px; }
.feature {
  display: grid;
  grid-template-columns: 16px 1fr;
  gap: 16px;
  align-items: start;
}
.feature-dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--signal-cyan);
  margin-top: 6px;
  box-shadow: 0 0 20px rgba(0, 174, 239, 0.7);
}
.feature-dot.coral {
  background: var(--arctic-coral);
  box-shadow: 0 0 20px rgba(255, 90, 95, 0.6);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 36px;
}
.timeline-item { padding: 24px; }
.timeline-item span {
  color: var(--signal-cyan);
  display: block;
  font-weight: 800;
  margin-bottom: 14px;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.contact-card { padding: 28px; }
.contact-card .full {
  width: 100%;
  margin-top: 18px;
  text-transform: none;
  letter-spacing: 0;
}

.site-footer {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 40px;
  border-top: 1px solid rgba(242, 245, 247, 0.12);
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.9rem;
}
.site-footer a { color: var(--signal-cyan); }

@media (max-width: 920px) {
  .nav-links { display: none; }
  .hero, .problem, .split, .contact { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding-top: 42px; }
  .cards, .timeline { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 620px) {
  .site-header, .hero, .section, .site-footer {
    width: min(100% - 24px, 1180px);
  }
  .cards, .timeline { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; }
}