:root {
  --bg: #07111f;
  --bg-soft: #0e1b2e;
  --bg-lift: #13233a;
  --card: rgba(255, 255, 255, 0.055);
  --text: #f5f8fc;
  --muted: #a8b6c9;
  --accent: #46d39a;
  --accent-strong: #22b77e;
  --border: rgba(255, 255, 255, 0.12);
  --shadow: 0 24px 70px 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(70, 211, 154, 0.2), transparent 34rem),
    linear-gradient(180deg, #07111f 0%, #081525 42%, #07111f 100%);
  line-height: 1.6;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--border);
  background: rgba(7, 17, 31, 0.82);
  backdrop-filter: blur(16px);
}

.nav {
  max-width: 1160px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--accent);
  color: #04110b;
  font-size: 0.78rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 0.95rem;
}

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

.nav-cta {
  padding: 10px 15px;
  border-radius: 999px;
  background: var(--accent);
  color: #04110b !important;
  font-weight: 800;
}

.hero {
  max-width: 1160px;
  margin: 0 auto;
  padding: 96px 24px 76px;
  display: grid;
  grid-template-columns: 1.5fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1, h2, h3 { line-height: 1.08; }

h1 {
  max-width: 820px;
  margin: 0 0 24px;
  font-size: clamp(2.7rem, 7vw, 5.8rem);
  letter-spacing: -0.075em;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.2rem);
  letter-spacing: -0.055em;
}

h3 {
  margin: 0 0 12px;
  font-size: 1.25rem;
  letter-spacing: -0.025em;
}

.lead {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
  font-size: 1.17rem;
}

.actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 20px;
  border-radius: 999px;
  font-weight: 850;
}

.primary { background: var(--accent); color: #04110b; }
.secondary { border: 1px solid var(--border); color: var(--text); }

.hero-panel {
  border: 1px solid var(--border);
  border-radius: 30px;
  padding: 24px;
  background: linear-gradient(180deg, rgba(255,255,255,0.085), rgba(255,255,255,0.035));
  box-shadow: var(--shadow);
}

.metric {
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
}

.metric:last-child { border-bottom: 0; }
.metric span { display: block; color: var(--muted); font-size: 0.92rem; }
.metric strong { display: block; margin-top: 4px; font-size: 1.38rem; }

.section {
  max-width: 1160px;
  margin: 0 auto;
  padding: 76px 24px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

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

.cards.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.card, .post-card {
  border: 1px solid var(--border);
  border-radius: 26px;
  padding: 24px;
  background: var(--card);
}

.card p, .post-card p, .split p, .newsletter p {
  margin: 0;
  color: var(--muted);
}

.band {
  max-width: none;
  background: rgba(14, 27, 46, 0.72);
}

.band > * {
  max-width: 1160px;
  margin-left: auto;
  margin-right: auto;
}

.post-list {
  display: grid;
  gap: 16px;
}

.tag {
  display: inline-flex;
  margin-bottom: 14px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.split {
  display: grid;
  grid-template-columns: 0.8fr 1fr;
  gap: 34px;
  align-items: start;
}

.newsletter {
  text-align: center;
}

.newsletter h2, .newsletter p {
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.newsletter-form {
  max-width: 520px;
  margin: 30px auto 0;
  display: flex;
  gap: 10px;
}

.newsletter-form input {
  flex: 1;
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 14px 17px;
  background: var(--bg-soft);
  color: var(--text);
}

.newsletter-form button {
  border: 0;
  border-radius: 999px;
  padding: 14px 18px;
  background: var(--accent-strong);
  color: white;
  font-weight: 850;
}

.footer {
  border-top: 1px solid var(--border);
  padding: 28px 24px;
  color: var(--muted);
  text-align: center;
  font-size: 0.92rem;
}

@media (max-width: 860px) {
  .nav { align-items: flex-start; flex-direction: column; }
  .nav-links { flex-wrap: wrap; gap: 14px; }
  .hero { grid-template-columns: 1fr; padding-top: 70px; }
  .cards.three { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
}

@media (max-width: 540px) {
  .nav-links { font-size: 0.9rem; }
  .hero, .section { padding-left: 18px; padding-right: 18px; }
  .newsletter-form { flex-direction: column; }
}