:root {
  --bg: #0b0f14;
  --bg-soft: #101722;
  --panel: rgba(255, 255, 255, 0.055);
  --panel-strong: rgba(255, 255, 255, 0.09);
  --text: #f4f7fb;
  --muted: #aab5c3;
  --line: rgba(255, 255, 255, 0.14);
  --accent: #9cc9ff;
  --accent-strong: #d5e8ff;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  --radius: 22px;
  --max-width: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 20% 0%, rgba(80, 132, 190, 0.2), transparent 34rem),
    radial-gradient(circle at 85% 12%, rgba(137, 168, 204, 0.12), transparent 28rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

body.nav-open { overflow: hidden; }

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 20;
  padding: 0.75rem 1rem;
  background: var(--text);
  color: var(--bg);
  border-radius: 999px;
}

.skip-link:focus { top: 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(11, 15, 20, 0.82);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100% - 2rem, var(--max-width));
  margin: 0 auto;
  padding: 1rem 0;
  gap: 1rem;
}

.brand, .nav-links { display: flex; align-items: center; }

.brand {
  gap: 0.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.13), rgba(255, 255, 255, 0.04));
  color: var(--accent-strong);
  font-size: 0.8rem;
}

.nav-links {
  gap: 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.nav-links a { padding: 0.45rem 0.2rem; }
.nav-links a:hover, .nav-links a:focus { color: var(--text); }

.nav-cta {
  color: var(--text) !important;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.55rem 0.9rem !important;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.6rem 0.85rem;
  background: rgba(255,255,255,0.06);
  color: var(--text);
  font: inherit;
}

.section {
  width: min(100% - 2rem, var(--max-width));
  margin: 0 auto;
  padding: 5rem 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  align-items: center;
  gap: 2rem;
  min-height: calc(100vh - 72px);
  padding-top: 4rem;
}

.page-hero { padding-top: 7rem; padding-bottom: 3rem; }

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  max-width: 13ch;
  margin-bottom: 1.4rem;
  font-size: clamp(3rem, 10vw, 6.7rem);
  line-height: 0.92;
  letter-spacing: -0.075em;
}

.page-hero h1 { max-width: 920px; font-size: clamp(2.7rem, 7vw, 5.7rem); }

h2 {
  max-width: 760px;
  margin-bottom: 1.5rem;
  font-size: clamp(2rem, 6vw, 4.2rem);
  line-height: 1;
  letter-spacing: -0.055em;
}

h3 { margin-bottom: 0.75rem; font-size: 1.1rem; letter-spacing: -0.02em; }

.hero-subheadline {
  max-width: 720px;
  margin-bottom: 2rem;
  color: var(--muted);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}

.cta-row { display: flex; flex-wrap: wrap; gap: 0.85rem; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  border-radius: 999px;
  padding: 0.8rem 1.1rem;
  font-weight: 700;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.button:hover, .button:focus { transform: translateY(-1px); }
.button-primary { background: var(--text); color: var(--bg); }
.button-secondary { border: 1px solid var(--line); color: var(--text); }

.hero-card, .panel, .feature-card, .product-card, .timeline article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.hero-card { padding: 1.2rem; }

.card-line {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}
.card-line:last-child { border-bottom: 0; }
.card-line strong { color: var(--text); }

.split-section {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 2rem;
  align-items: start;
}

.panel { padding: clamp(1.25rem, 3vw, 2rem); color: var(--muted); }
.panel p:last-child, .panel ul:last-child { margin-bottom: 0; }

.grid { display: grid; gap: 1rem; }
.feature-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.feature-card, .product-card { padding: 1.25rem; color: var(--muted); }
.feature-card h3, .product-card h2, .product-card h3 { color: var(--text); }
.prominent-card { min-height: 260px; padding: 1.5rem; }
.prominent-card h2 { font-size: clamp(1.7rem, 3vw, 2.6rem); }

.statement-section {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: center;
}
.statement-section h2, .statement-section p { margin-left: auto; margin-right: auto; }
.statement-section p { max-width: 620px; color: var(--muted); font-size: 1.25rem; }

.check-list { padding: 0; list-style: none; }
.check-list li { position: relative; margin-bottom: 0.75rem; padding-left: 1.6rem; }
.check-list li::before { content: ""; position: absolute; left: 0; top: 0.65rem; width: 0.55rem; height: 0.55rem; border-radius: 50%; background: var(--accent); }

.timeline { display: grid; gap: 1rem; }
.timeline article { display: grid; grid-template-columns: 4rem 1fr; gap: 1rem; padding: 1.25rem; }
.timeline span { color: var(--accent); font-weight: 800; letter-spacing: 0.08em; }
.timeline h2 { margin-bottom: 0.5rem; font-size: clamp(1.4rem, 3vw, 2.2rem); }
.timeline p { color: var(--muted); }

.contact-line a { color: var(--accent-strong); font-weight: 700; }

.site-footer {
  width: min(100% - 2rem, var(--max-width));
  margin: 0 auto;
  padding: 3rem 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.site-footer p { margin-bottom: 0.35rem; }
.site-footer strong { color: var(--text); }

@media (max-width: 860px) {
  .nav { align-items: flex-start; }
  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute;
    left: 1rem;
    right: 1rem;
    top: 4.6rem;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(11, 15, 20, 0.97);
  }
  body.nav-open .nav-links { display: flex; }
  .nav-links a { padding: 0.8rem 0.2rem; }
  .hero, .split-section { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding-top: 5rem; }
  .feature-grid, .product-grid { grid-template-columns: 1fr; }
  .timeline article { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .section { width: min(100% - 1.25rem, var(--max-width)); padding: 3.5rem 0; }
  h1 { font-size: clamp(2.7rem, 16vw, 4.4rem); }
  .button { width: 100%; }
  .hero-card { display: none; }
}
