/* ============================================================
   MERIDIAN — Base / reset / shared primitives
   ============================================================ */

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

img, video, canvas { max-width: 100%; display: block; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin: 0;
  text-wrap: balance;
}

p { margin: 0; }

a { color: inherit; text-decoration: none; }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

.wrap {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-micro);
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent-soft);
}

.lead {
  font-size: var(--text-lead);
  color: var(--color-text-dim);
  max-width: 34em;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.7rem;
  border-radius: var(--radius-pill);
  font-size: var(--text-small);
  font-weight: 600;
  letter-spacing: 0.01em;
  transition:
    transform var(--duration-fast) var(--ease-out-expo),
    background-color var(--duration-fast) linear,
    box-shadow var(--duration-fast) linear;
}
.btn:active { transform: scale(0.97); }

.btn-solid {
  background: var(--color-ivory);
  color: var(--color-text-onlight);
}
.btn-solid:hover {
  background: #fff;
  box-shadow: 0 0 32px oklch(from var(--color-accent) l c h / 0.35);
}

.btn-ghost {
  background: oklch(100% 0 0 / 0.08);
  color: var(--color-text);
  backdrop-filter: blur(12px);
  border: 1px solid var(--line-soft);
}
.btn-ghost:hover { background: oklch(100% 0 0 / 0.14); }

.btn-accent {
  background: linear-gradient(120deg, var(--color-accent), var(--color-accent-soft));
  color: oklch(15% 0.01 60);
}
.btn-accent:hover { box-shadow: 0 0 40px oklch(from var(--color-accent) l c h / 0.5); }

/* ---- Scroll reveal ---- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity var(--duration-slow) var(--ease-out-expo),
    transform var(--duration-slow) var(--ease-out-expo);
}
.reveal.is-visible { opacity: 1; transform: none; }

[data-reveal-stagger] > * {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity var(--duration-slow) var(--ease-out-expo),
    transform var(--duration-slow) var(--ease-out-expo);
  transition-delay: calc(var(--stagger-i, 0) * 90ms);
}
[data-reveal-stagger].is-visible > * { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, [data-reveal-stagger] > * {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .marquee-track { animation: none !important; }
}

/* ---- Grain overlay for atmosphere ---- */
.grain::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.05 0'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---- Focus states ---- */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 4px;
}