:root {
  --bg: #0b1020;
  --bg-soft: rgba(255, 255, 255, 0.04);
  --panel: rgba(255, 255, 255, 0.06);
  --panel-strong: rgba(255, 255, 255, 0.09);
  --border: rgba(255, 255, 255, 0.12);
  --text: #f3f6ff;
  --muted: #b8c0d9;
  --accent: #8bb6ff;
  --accent-strong: #dce8ff;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  --radius-lg: 28px;
  --radius-md: 18px;
  --max-width: 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(80, 120, 255, 0.2), transparent 34%),
    radial-gradient(circle at 80% 20%, rgba(100, 206, 255, 0.14), transparent 24%),
    linear-gradient(180deg, #0b1020 0%, #0f1730 100%);
  color: var(--text);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(circle at center, black 35%, transparent 85%);
}

.site-shell {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  padding: 28px 0 64px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 22px;
  margin-bottom: 36px;
  background: rgba(10, 16, 33, 0.72);
  border: 1px solid var(--border);
  border-radius: 999px;
  backdrop-filter: blur(20px);
  position: sticky;
  top: 16px;
  z-index: 20;
}

.brand,
.nav a {
  color: var(--text);
  text-decoration: none;
}

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

.nav {
  display: flex;
  gap: 22px;
}

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

.nav a:hover,
.nav a:focus-visible {
  color: var(--text);
}

.hero {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: 28px;
  align-items: stretch;
  padding: 34px 0 30px;
}

.hero-copy,
.hero-card,
.case-card,
.about-panel,
.footer {
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.04));
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.hero-copy {
  border-radius: var(--radius-lg);
  padding: 48px;
}

.eyebrow,
.section-kicker,
.case-label,
.hero-stat-label {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  color: var(--accent);
  margin: 0 0 14px;
  font-weight: 700;
}

.hero h1,
.section-heading h2,
.footer h2 {
  letter-spacing: -0.04em;
  line-height: 1.04;
}

.hero h1 {
  font-size: clamp(1.8rem, 2vw, 4.9rem);
  margin: 0 0 18px;
}

.hero-text,
.two-column-text p,
.case-card p,
.about-panel p,
.footer p,
.case-block p,
.focus-list li {
  color: var(--muted);
  line-height: 1.7;
  font-size: 1.02rem;
}

.hero-text {
  max-width: 60ch;
  margin-bottom: 30px;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

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

.button-primary {
  color: #08111f;
  background: linear-gradient(180deg, #ffffff, #dce8ff);
}

.button-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
}

.hero-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  padding: 34px;
}

.card-glow {
  position: absolute;
  top: -80px;
  right: -30px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139,182,255,0.45) 0%, rgba(139,182,255,0) 70%);
  filter: blur(10px);
}

.focus-list {
  list-style: none;
  padding: 0;
  margin: 22px 0 0;
  display: grid;
  gap: 14px;
}

.focus-list li {
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.035);
}

.section {
  padding: 56px 0 14px;
}

.section-heading {
  margin-bottom: 28px;
}

.section-heading h2,
.footer h2 {
  font-size: clamp(2rem, 3vw, 3.2rem);
  margin: 0;
}

.two-column-text {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.case-study-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.case-card {
  border-radius: 24px;
  padding: 28px;
}

.case-card h3 {
  margin: 0 0 14px;
  font-size: 1.45rem;
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.case-block {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.case-block h4 {
  margin: 0 0 10px;
  font-size: 0.95rem;
  color: var(--accent-strong);
}

.case-card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.case-card li {
  margin-bottom: 10px;
  line-height: 1.6;
}

.about-panel {
  border-radius: 24px;
  padding: 34px;
  max-width: 860px;
}

.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 28px;
  margin-top: 56px;
  border-radius: 28px;
  padding: 34px;
}

.footer h2 {
  max-width: none;
  margin-bottom: 10px;
}

.footer p {
  max-width: 58ch;
  margin: 0;
}

@media (max-width: 1024px) {
  .hero,
  .case-study-grid,
  .two-column-text,
  .footer {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 20px;
  }

  .footer {
    display: grid;
  }
}

@media (max-width: 720px) {
  .site-shell {
    width: min(calc(100% - 20px), var(--max-width));
    padding-top: 16px;
  }

  .topbar {
    border-radius: 24px;
    padding: 16px 18px;
    flex-direction: column;
    gap: 12px;
  }

  .nav {
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero-copy,
  .hero-card,
  .case-card,
  .about-panel,
  .footer {
    padding: 24px;
  }

  .hero h1 {
    max-width: none;
  }
}