/* Tracelyx — Base & reset */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg-0);
  color: var(--fg-0);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
a { color: inherit; text-decoration: none; }

::selection {
  background: color-mix(in oklab, var(--accent) 35%, transparent);
  color: var(--fg-0);
}

/* Subtle global grid background */
.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, color-mix(in oklab, var(--fg-3) 8%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in oklab, var(--fg-3) 8%, transparent) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 50% at 50% 0%, #000 30%, transparent 70%);
  z-index: 0;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.container--narrow { max-width: var(--container-narrow); }

/* Typography */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 6px 10px;
  border: 1px solid color-mix(in oklab, var(--accent) 35%, transparent);
  border-radius: 999px;
  background: color-mix(in oklab, var(--accent) 8%, transparent);
}
.eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 1.8s var(--ease) infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

h1, h2, h3 {
  font-family: var(--font-sans);
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0;
  font-weight: 500;
}
h1 { font-size: clamp(40px, 7vw, 76px); }
h2 { font-size: clamp(28px, 4vw, 44px); letter-spacing: -0.025em; }
h3 { font-size: 20px; letter-spacing: -0.015em; font-weight: 500; }

.mono { font-family: var(--font-mono); }
.muted { color: var(--fg-2); }

p { margin: 0; }
p.lede {
  font-size: clamp(17px, 1.6vw, 19px);
  color: var(--fg-1);
  line-height: 1.55;
  max-width: 60ch;
  text-wrap: pretty;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: -0.005em;
  transition: transform .15s var(--ease), background .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn--primary {
  background: var(--accent);
  color: #00120a;
  box-shadow: var(--accent-glow);
}
.btn--primary:hover {
  background: color-mix(in oklab, var(--accent) 90%, white 10%);
  box-shadow: 0 0 0 1px var(--accent), 0 0 32px -4px var(--accent);
}
.btn--ghost {
  background: transparent;
  border: 1px solid var(--line-strong);
  color: var(--fg-0);
}
.btn--ghost:hover {
  border-color: color-mix(in oklab, var(--accent) 50%, var(--line-strong));
  background: color-mix(in oklab, var(--accent) 5%, transparent);
}

/* Sections spacing */
section { position: relative; padding: 96px 0; }
section + section { padding-top: 0; }
@media (max-width: 720px) { section { padding: 64px 0; } }

/* Card */
.card {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

/* Reveal-on-scroll */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}