/* css/base.css */
html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.6;
  overflow-x: hidden;
  cursor: none;
}

/* Noise overlay */
.noise-overlay {
  position: fixed;
  inset: 0;
  z-index: 9000;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: 0.35;
}

/* Shared section layout */
section {
  padding: var(--section-pad);
  position: relative;
}

/* Shared section typography */
.section-label {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--purple-bright);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--purple-bright);
  flex-shrink: 0;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.8rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 480px;
  line-height: 1.8;
}

/* Accent color helper */
.accent { color: var(--purple-bright); }

/* Shared button styles */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
  transition: background var(--transition-base), color var(--transition-base),
              border-color var(--transition-base), transform var(--transition-base),
              box-shadow var(--transition-base);
  cursor: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--purple);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--purple-bright);
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(139, 92, 246, 0.35);
}

.btn-outline {
  border: 1px solid var(--border);
  color: var(--text-muted);
}
.btn-outline:hover {
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--white);
  transform: translateY(-2px);
}

/* Focus visible for accessibility */
:focus-visible {
  outline: 2px solid var(--purple-bright);
  outline-offset: 4px;
  border-radius: 4px;
}

/* Selection */
::selection {
  background: rgba(139, 92, 246, 0.3);
  color: var(--white);
}