/* ===== Booster Block — Design Tokens ===== */
:root {
  --bg-0: #04070c;
  --bg-1: #070b12;
  --bg-2: #0a1018;
  --bg-3: #0e1520;
  --panel: rgba(14, 21, 32, 0.72);
  --panel-solid: #0c121b;
  --panel-elev: #111927;

  --line: rgba(255, 255, 255, 0.06);
  --line-2: rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.14);

  --ink: #e8eef7;
  --ink-2: #c3cdd9;
  --ink-3: #8a97a8;
  --ink-4: #5b6776;

  --cyan: #22d3ee;
  --cyan-2: #67e8f9;
  --aqua: #5eead4;
  --teal: #14b8a6;
  --teal-deep: #0d7e74;
  --violet: #7c5cff;

  --grad-accent: linear-gradient(135deg, #67e8f9 0%, #22d3ee 45%, #14b8a6 100%);
  --grad-text: linear-gradient(180deg, #d8fbff 0%, #5eead4 60%, #14b8a6 100%);

  --shadow-soft: 0 30px 80px -30px rgba(0, 0, 0, 0.8);
  --shadow-card: 0 1px 0 rgba(255,255,255,0.04) inset, 0 30px 60px -30px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 0 1px rgba(34, 211, 238, 0.18), 0 20px 50px -10px rgba(34, 211, 238, 0.18);

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --radius-xl: 28px;

  --font-display: 'Space Grotesk', 'Inter', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg-0);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  background:
    radial-gradient(1200px 600px at 75% -10%, rgba(20, 184, 166, 0.13), transparent 60%),
    radial-gradient(900px 500px at 10% 110%, rgba(34, 211, 238, 0.08), transparent 60%),
    var(--bg-0);
  overflow-x: hidden;
}

/* Grain overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1000;
  opacity: 0.35;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.5 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* Typography */
.h-display {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.02;
}
.h-section {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.08;
  font-size: clamp(34px, 3.6vw, 56px);
  color: var(--ink);
  text-wrap: balance;
}
.eyebrow {
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan-2);
  font-weight: 500;
}
.muted { color: var(--ink-3); }
.muted-2 { color: var(--ink-4); }

.gradient-text {
  background: linear-gradient(180deg, #e3fdff 0%, #67e8f9 55%, #14b8a6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-style: italic;
  font-weight: 400;
  padding-right: 0.08em;
  padding-bottom: 0.04em;
  display: inline-block;
}

/* Layout */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}
.container-wide {
  width: 100%;
  max-width: 1720px;
  margin: 0 auto;
  padding: 0 48px;
}
@media (max-width: 900px) {
  .container-wide { padding: 0 20px; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: -0.01em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 180ms ease;
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(180deg, #5eead4 0%, #22d3ee 100%);
  color: #04141a;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.4),
    0 8px 24px -8px rgba(34, 211, 238, 0.55),
    0 0 0 1px rgba(34, 211, 238, 0.35);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: inset 0 1px 0 rgba(255,255,255,0.5), 0 12px 30px -6px rgba(34, 211, 238, 0.7), 0 0 0 1px rgba(34, 211, 238, 0.5); }

.btn-ghost {
  background: rgba(255,255,255,0.03);
  color: var(--ink);
  border: 1px solid var(--line-strong);
}
.btn-ghost:hover { background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.2); }

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--cyan-2);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  letter-spacing: -0.005em;
}
.btn-link:hover { color: #a5f3fc; }

/* Pill */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px 6px 10px;
  border-radius: 999px;
  background: rgba(34, 211, 238, 0.06);
  border: 1px solid rgba(34, 211, 238, 0.18);
  color: var(--cyan-2);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.pill-dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}

/* Panels */
.panel {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.025), rgba(255,255,255,0) 60%),
    var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}
.panel::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: radial-gradient(120% 60% at 50% 0%, rgba(94, 234, 212, 0.05), transparent 60%);
}
.panel-solid {
  background: var(--panel-solid);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

/* Section spacing */
section { position: relative; padding: 110px 0; }
section.compact { padding: 80px 0; }
.section-head { margin-bottom: 56px; max-width: 760px; }
.section-head .eyebrow { display: inline-block; margin-bottom: 18px; }
.section-head p { color: var(--ink-3); font-size: 17px; margin-top: 18px; max-width: 600px; }

/* Misc */
.divider { height: 1px; background: var(--line); width: 100%; }
.dot-grid {
  background-image: radial-gradient(rgba(94, 234, 212, 0.12) 1px, transparent 1px);
  background-size: 22px 22px;
}

.glow-orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(80px);
  pointer-events: none;
}

/* Focus */
*:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; border-radius: 4px; }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.14); }
