/* ============================================================
   Base reset + shared primitives (buttons, links, layout utils)
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--sand);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 500; line-height: 1.1; margin: 0; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
ul { margin: 0; padding: 0; list-style: none; }

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

@media (min-width: 640px) {
  .wrap { padding-inline: var(--space-m); }
}

.eyebrow {
  font-size: var(--step--1);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.9em 1.7em;
  border-radius: var(--radius);
  font-size: var(--step--1);
  letter-spacing: 0.03em;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--ink);
  color: var(--paper);
}
.btn-primary:hover { background: var(--accent-dark); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-ghost:hover { background: var(--ink); color: var(--paper); }

.btn-on-dark {
  background: var(--paper);
  color: var(--ink);
}
.btn-on-dark:hover { background: var(--accent-soft); }

.btn-ghost-on-dark {
  background: transparent;
  color: var(--paper);
  border-color: rgba(255,255,255,0.55);
}
.btn-ghost-on-dark:hover { border-color: var(--paper); background: rgba(255,255,255,0.1); }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: 1rem; top: -6rem;
  background: var(--ink);
  color: var(--paper);
  padding: 0.7em 1.2em;
  z-index: 100;
  white-space: nowrap;
  transition: top 0.2s ease;
  border-radius: var(--radius);
}
.skip-link:focus { top: 1rem; }

/* Scroll reveal */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}