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

:root {
  --bg:        #ffffff;
  --surface:   #f4f4f6;
  --surface2:  #ebebee;
  --border:    #e0e0e6;
  --accent:    #0077cc;
  --accent2:   #cc5500;
  --text:      #1a1a22;
  --muted:     #666680;
  --code-bg:   #1a1a22;
  --code-text: #d4d4d8;
  --nav-bg:    #ffffffee;
  --nav-h:     52px;
  --max-w:     1100px;
  --radius:    6px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.7 'Inter', 'Segoe UI', system-ui, sans-serif;
}

/* ── Nav ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  height: var(--nav-h);
  display: flex;
  align-items: center;
  padding: 0 32px;
  gap: 4px;
  overflow-x: clip;
  overflow-y: visible;
  white-space: nowrap;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  padding: 5px 10px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: color .15s, border-color .15s, background .15s;
  flex-shrink: 0;
}

nav a:hover {
  color: var(--accent);
  border-color: #0077cc44;
  background: #0077cc0a;
}

nav .sep { color: var(--border); margin: 0 2px; user-select: none; }

/* ── Hero ── */
.hero {
  background: linear-gradient(135deg, #0f1923 0%, #1a2840 50%, #0f2030 100%);
  padding: 80px 32px 72px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  top: -60px; left: 40%;
  width: 500px; height: 400px;
  background: radial-gradient(ellipse, #0077cc28 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 48px;
}

.hero-left { flex: 1 1 0; min-width: 0; }

.hero-callout {
  flex: 0 0 280px;
  background: #ffffff08;
  border: 1px solid #ffffff18;
  border-radius: 12px;
  padding: 24px 22px;
  backdrop-filter: blur(6px);
}

.hero-callout-eyebrow {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #00aaff;
  margin-bottom: 10px;
}

.hero-callout p {
  font-size: 14px;
  line-height: 1.65;
  color: #8aaccc;
  margin-bottom: 16px;
}

.hero-callout-link {
  display: inline-block;
  font-size: 12px;
  color: #66bbff;
  background: #0077cc22;
  border: 1px solid #0077cc55;
  border-radius: 20px;
  padding: 5px 14px;
  text-decoration: none;
  transition: background .15s;
}
.hero-callout-link:hover { background: #0077cc44; }

.hero-eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #0099ee;
  margin-bottom: 16px;
}

.hero h1 {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -.02em;
}

.hero h1 .accent { color: #00aaff; }
.hero h1 .dim    { color: #6699bb; font-weight: 400; }

.hero-desc {
  font-size: 17px;
  line-height: 1.6;
  color: #8aaccc;
  margin-bottom: 32px;
}

.hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.chip {
  font-size: 12px;
  font-family: 'Fira Code', 'Cascadia Code', monospace;
  padding: 5px 12px;
  border-radius: 20px;
  border: 1px solid #ffffff22;
  color: #aaccee;
  background: #ffffff0a;
}

.chip-link {
  background: #0077cc22;
  border-color: #0077cc66;
  color: #66bbff;
  text-decoration: none;
  transition: background .15s;
}
.chip-link:hover { background: #0077cc44; }

/* ── Coming soon badge ── */
.coming-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #ff990018;
  border: 1px solid #ff990055;
  color: #ffbb44;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 4px;
  margin-bottom: 22px;
}
.coming-badge::before {
  content: '';
  display: inline-block;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #ffaa33;
  box-shadow: 0 0 6px #ffaa33aa;
}

/* ── Content sections ── */
.content {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 64px 32px 80px;
}

.section-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent);
  background: #0077cc12;
  border: 1px solid #0077cc33;
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 24px;
}

.section-heading {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.section-desc {
  font-size: 15px;
  color: var(--muted);
  margin-bottom: 36px;
  max-width: 560px;
  line-height: 1.6;
}

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

.col-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.col-card-header {
  padding: 14px 18px 12px;
  border-bottom: 1px solid var(--border);
}

.col-card-header h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 3px;
}

.col-card-header p {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
}

.col-card-preview {
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px 12px;
  flex: 1;
  color: var(--muted);
  font-size: 28px;
}

.col-card-footer {
  padding: 8px 18px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
}

.col-card-footer a {
  font-size: 12px;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
}
.col-card-footer a:hover { text-decoration: underline; }

/* ── Placeholder block ── */
.placeholder-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px 32px;
  text-align: center;
  color: var(--muted);
}

.placeholder-block .ph-icon {
  font-size: 40px;
  margin-bottom: 16px;
  display: block;
}

.placeholder-block h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.placeholder-block p {
  font-size: 14px;
  color: var(--muted);
  max-width: 400px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ── Footer ── */
footer {
  border-top: 1px solid var(--border);
  padding: 28px 32px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 12px;
  color: var(--muted);
}

footer a {
  color: var(--accent);
  text-decoration: none;
}
footer a:hover { text-decoration: underline; }

/* ── Mobile ── */
@media (max-width: 900px) {
  nav { padding: 0 16px; }
}

@media (max-width: 640px) {
  .col-grid { grid-template-columns: 1fr; }
  .hero-inner { flex-direction: column; align-items: flex-start; }
  .hero-callout { flex: 0 0 auto; width: 100%; }
}