:root {
  --bg: #08111f;
  --bg-soft: #14254a;
  --panel: rgba(24, 42, 78, 0.92);
  --panel-border: rgba(255, 255, 255, 0.08);
  --text: #f5f7fb;
  --muted: #aab6ca;
  --green: #5ec382;
  --green-dark: #2d8c58;
  --gold: #f8c44e;
  --shadow: 0 22px 60px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(94, 195, 130, 0.15), transparent 28%),
    radial-gradient(circle at top right, rgba(102, 126, 234, 0.16), transparent 24%),
    radial-gradient(circle at bottom right, rgba(248, 196, 78, 0.12), transparent 24%),
    linear-gradient(180deg, #08111f 0%, #0c1b38 100%);
  line-height: 1.6;
}

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

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.narrow {
  width: min(760px, calc(100% - 32px));
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(16px);
  background: rgba(8, 17, 31, 0.7);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 20px;
}

.brand {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.nav-links a {
  color: var(--muted);
}

.nav-links a[aria-current="page"],
.nav-links a:hover {
  color: var(--text);
}

.hero {
  padding: 88px 0 56px;
}

.hero-grid,
.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0 0 12px;
  line-height: 1.1;
}

h1 {
  font-size: clamp(2.3rem, 5vw, 4.5rem);
  letter-spacing: -0.04em;
}

h2 {
  font-size: clamp(1.7rem, 3vw, 2.5rem);
}

h3 {
  font-size: 1.2rem;
}

p {
  margin: 0;
}

.lead {
  color: var(--muted);
  font-size: 1.05rem;
}

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

.hero-actions,
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions {
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 14px;
  font-weight: 700;
  transition: transform 120ms ease, opacity 120ms ease, background 120ms ease;
}

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

.button.primary {
  background: linear-gradient(180deg, #68cf8c 0%, #46b86f 100%);
  color: #07140c;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.text-link {
  display: inline-block;
  margin-top: 16px;
  color: var(--green);
  font-weight: 700;
}

.section {
  padding: 40px 0;
}

.section.muted {
  padding-bottom: 72px;
}

.section-copy {
  margin-bottom: 20px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.panel {
  padding: 28px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.score-panel {
  display: grid;
  gap: 16px;
}

.score-card {
  padding: 22px;
  background: rgba(9, 18, 34, 0.64);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
}

.score-label {
  color: var(--muted);
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.score-value {
  margin-top: 8px;
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 900;
}

.score-value.green {
  color: var(--green);
}

.score-value.gold {
  color: var(--gold);
}

.page-main {
  min-height: calc(100vh - 145px);
}

.stack {
  display: grid;
  gap: 18px;
}

.list {
  padding-left: 20px;
  margin: 0;
  color: var(--muted);
}

.center-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.centered {
  text-align: center;
}

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 24px 0 40px;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--muted);
}

@media (max-width: 860px) {
  .hero-grid,
  .split,
  .card-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 64px;
  }

  .panel,
  .score-card {
    padding: 22px;
  }

  .nav {
    min-height: 64px;
  }
}