/* ARIA — one-page site */

:root {
  --ink: #0B0A14;
  --ink-2: #1A1828;
  --ink-3: #2A2740;
  --paper: #FAFAF7;
  --paper-2: #F0EFE9;
  --rule: rgba(11, 10, 20, 0.10);
  --rule-2: rgba(11, 10, 20, 0.18);
  --muted: rgba(11, 10, 20, 0.62);
  --muted-2: rgba(11, 10, 20, 0.42);
  --magenta: #D946EF;
  --blue: #60A5FA;
  --violet: #A78BFA;
  --lavender: #E9DFFF;
  --sky: #DDEBFF;
  --warn: #F59E0B;
  --ok: #10B981;
  --grad: linear-gradient(135deg, #D946EF 0%, #A78BFA 50%, #60A5FA 100%);
  --grad-soft: linear-gradient(135deg, #FCE8FF 0%, #EDE3FF 50%, #DDEBFF 100%);

  --font-display: "Newsreader", "Times New Roman", serif;
  --font-sans: "Geist", -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, sans-serif;
  --font-mono: "Geist Mono", "JetBrains Mono", "SF Mono", ui-monospace, monospace;
}

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

html {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  overflow-x: hidden;
  font-feature-settings: "ss01", "cv11";
}

a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

::selection { background: var(--ink); color: var(--paper); }

/* ===== Type system ===== */
.display {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.018em;
  line-height: 1.0;
  font-optical-sizing: auto;
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.mono { font-family: var(--font-mono); }
.italic-display { font-family: var(--font-display); font-style: italic; font-weight: 400; }

/* ===== Layout ===== */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}
.container-wide {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ===== Gradient helpers ===== */
.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.grad-bg { background: var(--grad); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  border-radius: 999px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.005em;
  transition: transform 0.18s ease, background 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}
.btn-primary {
  background: var(--ink);
  color: var(--paper);
  box-shadow: 0 1px 0 rgba(255,255,255,0.04) inset, 0 6px 24px rgba(11,10,20,0.18);
}
.btn-primary:hover { transform: translateY(-1px); background: var(--ink-2); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--rule-2);
}
.btn-ghost:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn-grad {
  background: var(--grad);
  color: white;
  box-shadow: 0 8px 32px -8px rgba(217, 70, 239, 0.45);
}
.btn-grad:hover { transform: translateY(-1px); box-shadow: 0 12px 40px -8px rgba(217, 70, 239, 0.6); }
.btn .arrow { transition: transform 0.18s ease; }
.btn:hover .arrow { transform: translateX(3px); }
.beta-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  margin-left: 4px;
  color: var(--muted-2);
  transition: color 0.18s ease;
}
.btn-ghost:hover .beta-tag { color: rgba(255,255,255,0.7); }
.btn-on-dark { color: var(--paper); border-color: rgba(255,255,255,0.2); }
.btn-on-dark .beta-tag { color: rgba(250,250,247,0.5); }
.btn-on-dark:hover { background: rgba(255,255,255,0.08); color: var(--paper); border-color: rgba(255,255,255,0.35); }
.btn-on-dark:hover .beta-tag { color: rgba(250,250,247,0.9); }

/* ===== Section wrapper ===== */
section {
  position: relative;
  border-top: 1px solid var(--rule);
}
section.no-rule { border-top: none; }

.section-head {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 40px;
  align-items: baseline;
  padding-top: 24px;
  margin-bottom: 64px;
}
.section-head .num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted-2);
  letter-spacing: 0.04em;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 5vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.022em;
  font-weight: 400;
  max-width: 24ch;
  margin: 0;
}
.section-kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 20px;
}

/* ===== Tags / chips ===== */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--rule-2);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.02em;
  color: var(--ink);
  background: var(--paper);
}
.chip .dot { width: 6px; height: 6px; border-radius: 999px; background: var(--ok); }

/* ===== Code blocks / commands ===== */
.cmd {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--ink);
  color: var(--paper);
  padding: 4px 10px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.cmd .slash { color: var(--magenta); }

.terminal {
  background: var(--ink);
  color: var(--paper);
  border-radius: 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  padding: 18px 22px;
  overflow: hidden;
  position: relative;
}
.terminal .tdot { color: var(--magenta); }
.terminal .tcmd { color: var(--blue); }
.terminal .tcomment { color: rgba(250,250,247,0.45); }
.terminal .tok { color: #34D399; }
.terminal .tkey { color: var(--violet); }

/* ===== Hairline rule ===== */
.hr-fade {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--rule-2), transparent);
  border: none;
}

/* ===== Animations ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.7s ease-out both; }

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.04); }
}

@keyframes drift {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(20px, -20px); }
}

/* Aurora background blob */
.aurora {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}
.aurora .blob {
  position: absolute;
  width: 60vw;
  height: 60vw;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
}
.aurora .blob-1 { background: radial-gradient(circle, var(--magenta), transparent 70%); top: -20%; left: -15%; animation: drift 20s ease-in-out infinite; }
.aurora .blob-2 { background: radial-gradient(circle, var(--blue), transparent 70%); top: 10%; right: -20%; animation: drift 24s ease-in-out infinite reverse; }
.aurora .blob-3 { background: radial-gradient(circle, var(--violet), transparent 70%); bottom: -30%; left: 30%; opacity: 0.18; animation: drift 28s ease-in-out infinite; }