*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { color-scheme: dark; -webkit-text-size-adjust: 100%; }
body {
  background: var(--ink-0);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
}

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 300; letter-spacing: -0.02em; margin: 0; }
h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); line-height: 1.05; }
h2 { font-size: clamp(1.75rem, 3vw, 2.25rem); line-height: 1.15; }
h3 { font-size: 1.25rem; font-weight: 400; line-height: 1.3; }
p { margin: 0; }

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: transparent; border: 0; padding: 0; cursor: pointer; }
button:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }

.mono { font-family: var(--font-mono); font-feature-settings: 'tnum' 1; }
.dim { color: var(--mute-2); }
.dimmer { color: var(--mute-1); }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--mute-2);
}

.btn {
  display: inline-flex; align-items: center; gap: var(--space-3);
  padding: 14px 22px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 15px;
  letter-spacing: 0.01em;
  transition: border-color var(--duration) var(--ease),
              background var(--duration) var(--ease),
              transform var(--duration) var(--ease);
}
.btn:hover { border-color: var(--accent); background: var(--accent-soft); }
.btn:active { transform: translateY(1px); }
.btn-primary {
  border-color: var(--accent);
  color: var(--accent);
}
.btn-primary:hover { background: var(--accent-soft); }

.pulse-dot {
  display: inline-block;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 var(--accent);
  animation: pulse 2.2s var(--ease) infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 50%, transparent); }
  70%  { box-shadow: 0 0 0 14px color-mix(in srgb, var(--accent) 0%, transparent); }
  100% { box-shadow: 0 0 0 0 transparent; }
}

.divider {
  height: 1px;
  background: var(--line);
  width: 100%;
}

.shell {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 56px);
}
