:root {
  --bg: #07111f;
  --panel: rgba(255, 255, 255, 0.08);
  --panel-strong: rgba(255, 255, 255, 0.14);
  --text: #f5f7fb;
  --muted: #b4c2db;
  --accent: #6ee7b7;
  --accent-2: #60a5fa;
  --border: rgba(255, 255, 255, 0.16);
  --shadow: 0 20px 45px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(96, 165, 250, 0.2), transparent 24%),
    linear-gradient(135deg, #07111f 0%, #0f1e33 100%);
}

img {
  max-width: 100%;
}

.page-shell {
  min-height: 100vh;
}

.hero {
  padding: 24px 24px 56px;
  max-width: 1200px;
  margin: 0 auto;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0 26px;
}

.brand {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 20px;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
}

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

.hero-content {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr;
  gap: 32px;
  align-items: center;
  padding: 30px 0;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.25em;
  font-size: 0.78rem;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 12px;
}

.hero h1,
.section h2 {
  margin: 0 0 16px;
  line-height: 1.1;
}

.hero h1 {
  font-size: clamp(2.2rem, 4vw, 3.6rem);
}

.lead {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--muted);
  max-width: 650px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.btn {
  display: inline-block;
  padding: 12px 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.2s ease, background 0.2s ease;
}

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

.btn-primary {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: #03111f;
}

.btn-secondary {
  color: var(--text);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
}

.hero-card,
.info-card,
.quote-box {
  background: var(--panel);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 24px;
  border-radius: 24px;
  position: relative;
  overflow: hidden;
}

.card-glow {
  position: absolute;
  inset: auto -20px -20px auto;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(110, 231, 183, 0.32), transparent 70%);
}

.hero-card h3 {
  margin-top: 0;
  margin-bottom: 16px;
}

.hero-card ul {
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.8;
}

.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 36px 24px 24px;
}

.section-heading h2 {
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
}

.intro-section p,
.article-column p,
.info-card p {
  color: var(--muted);
  line-height: 1.8;
  font-size: 1rem;
}

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

.info-card {
  padding: 22px;
  border-radius: 20px;
}

.info-card h3 {
  margin-top: 0;
  margin-bottom: 10px;
}

.article-section {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: start;
  padding-bottom: 56px;
}

.quote-box {
  padding: 24px;
  border-radius: 22px;
  font-size: 1.1rem;
  line-height: 1.8;
}

.quote-box span {
  display: block;
  margin-top: 12px;
  color: var(--accent);
  font-weight: 600;
}

.footer {
  text-align: center;
  padding: 0 24px 30px;
  color: var(--muted);
}

@media (max-width: 900px) {
  .hero-content,
  .article-section,
  .cards-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 16px 16px 36px;
  }

  .nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .section {
    padding-left: 16px;
    padding-right: 16px;
  }
}