/* ============================================================
   BASE — Reset · Typography · Globals · Animations
   ============================================================ */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-base);
  color: var(--text-body);
  line-height: 1.65;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.menu-open {
  overflow: hidden;
}

/* ── Headings ──────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--text-primary);
  line-height: 1.2;
  font-weight: 600;
}

/* ── Body text ─────────────────────────────────────────── */
p {
  font-size: var(--text-base);
  line-height: 1.75;
}

/* ── Images ────────────────────────────────────────────── */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ── Links ─────────────────────────────────────────────── */
a {
  text-decoration: none;
  color: inherit;
  transition: color var(--duration-fast) ease;
}

/* ── Lists ─────────────────────────────────────────────── */
ul, ol {
  list-style: none;
}

/* ── Buttons ───────────────────────────────────────────── */
button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: var(--font-body);
}

/* ── Accessible focus ring ─────────────────────────────── */
*:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ── Container ─────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ── Section padding ───────────────────────────────────── */
.section-pad {
  padding: var(--space-lg) 0;
}

/* ── Section header ────────────────────────────────────── */
.section-header {
  margin-bottom: var(--space-lg);
}

.section-header--center {
  text-align: center;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-lg);
}

/* ── Scroll reveal animations ──────────────────────────── */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity var(--duration-base) var(--ease-out),
    transform var(--duration-base) var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.12s; }
.reveal-delay-2 { transition-delay: 0.24s; }
.reveal-delay-3 { transition-delay: 0.36s; }
.reveal-delay-4 { transition-delay: 0.48s; }

/* ── Reduced motion override ───────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ── Responsive container ──────────────────────────────── */
@media (max-width: 768px) {
  .container {
    padding: 0 1.25rem;
  }

  .section-pad {
    padding: 3rem 0;
  }

  .section-header--center {
    margin-bottom: 2.5rem;
  }
}