*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-top:    #0a0e1a;
  --bg-mid:    #0d1f4a;
  --bg-bot:    #061030;
  --accent:    #4a9eff;
  --accent-dim:#1e4a8a;
  --white:     #ffffff;
  --muted:     rgba(255,255,255,0.6);
  --border:    rgba(255,255,255,0.1);
  --card-bg:   rgba(255,255,255,0.04);
}

html, body {
  min-height: 100%;
  font-family: 'Inter', sans-serif;
  color: var(--white);
  background: linear-gradient(160deg, var(--bg-top) 0%, var(--bg-mid) 45%, var(--bg-bot) 100%);
  background-attachment: fixed;
}

/* ── HEADER ── */
header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 24px 60px;
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(10, 14, 26, 0.75);
}

.logo {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent) 0%, #0055cc 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -1px;
  flex-shrink: 0;
}

.brand {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.02em;
}

.brand span {
  color: var(--accent);
}

/* ── HERO ── */
.hero {
  text-align: center;
  padding: 90px 60px 70px;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 22px;
}

.hero h1 {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(2.6rem, 6vw, 5rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  max-width: 820px;
  margin: 0 auto 24px;
}

.hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero p {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
  font-weight: 300;
}

/* ── DIVIDER ── */
.section-label {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 60px;
  margin-bottom: 40px;
}

.section-label span {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ── GRID ── */
.articles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  padding: 0 60px 100px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 36px 32px;
  transition: border-color 0.25s, transform 0.25s;
}

.card:hover {
  border-color: var(--accent-dim);
  transform: translateY(-4px);
}

.card-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.card h2 {
  font-family: 'Syne', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 14px;
  line-height: 1.3;
}

.card p {
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.75;
  font-weight: 300;
}

.card-footer {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--muted);
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .articles { grid-template-columns: 1fr 1fr; padding: 0 30px 60px; }
  header { padding: 20px 30px; }
  .hero { padding: 60px 30px 50px; }
  .section-label { padding: 0 30px; }
}

@media (max-width: 600px) {
  .articles { grid-template-columns: 1fr; }
}