:root {
  --bg: #0b1220;
  --bg-soft: #121d33;
  --paper: #f6f7fb;
  --ink: #ecf1ff;
  --ink-muted: #b7c3de;
  --line: #2a3654;
  --accent: #2fe0c4;
  --accent-strong: #ff7a18;
  --card: rgba(13, 22, 42, 0.78);
  --shadow: 0 24px 60px rgba(4, 8, 20, 0.5);
}

* {
  box-sizing: border-box;
}

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

body {
  font-family: "Space Grotesk", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 10%, rgba(47, 224, 196, 0.18), transparent 36%),
    radial-gradient(circle at 85% 25%, rgba(255, 122, 24, 0.16), transparent 34%),
    linear-gradient(160deg, var(--bg) 0%, var(--bg-soft) 58%, #10192b 100%);
  line-height: 1.6;
  min-height: 100vh;
}

.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(circle at center, black 45%, transparent 95%);
  z-index: 0;
}

.container {
  width: min(1120px, calc(100% - 3rem));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  backdrop-filter: blur(12px);
  background: rgba(8, 13, 24, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 74px;
}

.brand {
  text-decoration: none;
  color: var(--paper);
  font-family: "Syne", sans-serif;
  font-weight: 800;
  letter-spacing: 0.02em;
  font-size: clamp(1.2rem, 1.2vw + 0.9rem, 1.75rem);
}

.nav-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--ink-muted);
  text-decoration: none;
  border: 1px solid transparent;
  padding: 0.4rem 0.6rem;
  border-radius: 0.4rem;
  transition: color 180ms ease, border-color 180ms ease;
}

.nav-links a:hover {
  color: var(--paper);
  border-color: rgba(255, 255, 255, 0.2);
}

.hero {
  padding: clamp(4rem, 8vw, 7rem) 0 3.5rem;
}

.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  font-size: 0.85rem;
  margin: 0 0 1rem;
}

h1,
h2,
h3 {
  font-family: "Syne", sans-serif;
  line-height: 1.15;
  margin-top: 0;
}

h1 {
  font-size: clamp(2rem, 5vw, 4.4rem);
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.55rem, 3.2vw, 2.7rem);
  margin-bottom: 1rem;
}

h3 {
  font-size: clamp(1.2rem, 1.8vw, 1.55rem);
  margin-bottom: 0.6rem;
}

.lead {
  font-size: clamp(1.05rem, 1.1vw + 0.65rem, 1.42rem);
  color: var(--ink-muted);
  max-width: 72ch;
}

.section {
  padding: clamp(2.4rem, 6vw, 5rem) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.section p,
.section li {
  color: var(--ink-muted);
}

.panel {
  background: linear-gradient(
    130deg,
    rgba(47, 224, 196, 0.08),
    rgba(255, 122, 24, 0.08)
  );
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1rem;
  padding-left: clamp(1rem, 3vw, 2rem);
  padding-right: clamp(1rem, 3vw, 2rem);
}

.checklist {
  padding-left: 1.2rem;
}

.checklist li {
  margin-bottom: 0.65rem;
}

.two-col {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card,
.pillar,
.cta {
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 1rem;
  box-shadow: var(--shadow);
}

.card,
.pillar {
  padding: clamp(1rem, 2.2vw, 1.6rem);
}

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

.button-row {
  margin-top: 1.5rem;
  display: flex;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.btn {
  text-decoration: none;
  display: inline-block;
  border-radius: 999px;
  padding: 0.85rem 1.2rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  transition: transform 170ms ease, box-shadow 170ms ease, background 170ms ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(120deg, var(--accent), #8af4e1 55%, #d9fff7);
  color: #081425;
  box-shadow: 0 10px 28px rgba(47, 224, 196, 0.35);
}

.btn-secondary {
  background: rgba(255, 122, 24, 0.14);
  color: #ffd5b6;
  border-color: rgba(255, 122, 24, 0.4);
}

.cta {
  padding: clamp(1.4rem, 4vw, 2.4rem);
}

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 3rem;
  padding: 2rem 0;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1.2rem;
  flex-wrap: wrap;
}

.footer-row p {
  margin: 0;
  color: var(--ink-muted);
  max-width: 58ch;
}

.footer-row nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.footer-row a {
  color: var(--paper);
  text-decoration: none;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 700ms ease, transform 700ms ease;
}

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

@media (max-width: 960px) {
  .two-col,
  .pillar-grid {
    grid-template-columns: 1fr;
  }

  .container {
    width: min(1120px, calc(100% - 2rem));
  }

  .site-header {
    position: static;
  }
}
