/* ============================================================
   base.css — Global base styles, typography, utility classes
   DriftMind v0.7  |  last updated 2026-06-18
   ============================================================ */

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

/* --- Section wrapper --- */
.section {
  padding: var(--space-24) var(--space-16);
  max-width: var(--max-width);
  margin: 0 auto;
}

.section--no-top {
  padding-top: 0;
}

/* --- Section labels / eyebrows --- */
.label {
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

/* --- Section titles --- */
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
  max-width: 640px;
}

.section-title em {
  font-style: italic;
  color: var(--color-accent);
}

/* --- Body copy --- */
.body-copy {
  color: var(--color-text-mid);
  font-size: var(--text-md);
  max-width: 580px;
  line-height: 1.8;
  font-weight: 300;
}

/* --- Buttons --- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  background: var(--color-accent);
  color: var(--color-bg);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  letter-spacing: 0.01em;
  transition: opacity var(--transition-base), transform var(--transition-base);
  text-decoration: none;
}

.btn-primary:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  color: var(--color-text-mid);
  font-size: 0.875rem;
  padding: 0.85rem 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  transition: color var(--transition-base), border-color var(--transition-base);
  text-decoration: none;
}

.btn-ghost:hover {
  color: var(--color-text);
  border-color: var(--color-border-mid);
}

/* --- Divider --- */
.divider {
  border: none;
  border-top: 1px solid var(--color-border);
}

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

/* --- Responsive base --- */
@media (max-width: 768px) {
  .section {
    padding: var(--space-16) var(--space-6);
  }
}