@import url('reset.css');
@import url('design-tokens.css');

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-regular);
  line-height: var(--leading-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  padding-top: var(--nav-height);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container--narrow {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: var(--weight-regular);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }

@media (max-width: 768px) {
  h1 { font-size: var(--text-3xl); }
  h2 { font-size: var(--text-2xl); }
  h3 { font-size: var(--text-xl); }
}

p {
  margin-bottom: var(--space-md);
  line-height: var(--leading-body);
}

.text-muted {
  color: var(--color-text-muted);
}

.text-light {
  color: var(--color-text-light);
}

.text-on-dark {
  color: var(--color-text-on-dark);
}

.tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-tag-text);
  background: var(--color-tag-bg);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
}

.accent-rule {
  width: 60px;
  height: 2px;
  background: var(--color-accent);
  border: none;
}

.btn-primary {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-light);
  background: var(--color-accent);
  padding: var(--space-md) var(--space-xl);
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  transition: transform var(--duration-fast) var(--ease-out),
              background var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}

.btn-primary:hover {
  transform: scale(1.02);
  background: var(--color-accent-dark);
  box-shadow: var(--shadow-accent-glow);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.btn-secondary {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-light);
  background: transparent;
  padding: var(--space-md) var(--space-xl);
  border: 2px solid var(--color-text-light);
  border-radius: var(--radius-sm);
  transition: transform var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out);
}

.btn-secondary:hover {
  transform: scale(1.02);
  border-color: var(--color-accent);
  color: var(--color-accent-light);
}

.btn-secondary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

section {
  padding: var(--space-3xl) 0;
}

.section-dark {
  background: var(--color-surface-dark);
  color: var(--color-text-on-dark);
}

.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--color-text-light);
}

.grain-overlay {
  position: relative;
}

.grain-overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.04;
  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='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
}

.geometric-grid-bg {
  position: relative;
}

.geometric-grid-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}

.reveal { opacity: 0; transform: translateY(20px); transition: opacity var(--duration-reveal) var(--ease-out), transform var(--duration-reveal) var(--ease-out); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-30px); transition: opacity var(--duration-reveal) var(--ease-out), transform var(--duration-reveal) var(--ease-out); }
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(30px); transition: opacity var(--duration-reveal) var(--ease-out), transform var(--duration-reveal) var(--ease-out); }
.reveal-right.visible { opacity: 1; transform: translateX(0); }

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-md);
  background: var(--color-accent);
  color: var(--color-text-light);
  padding: var(--space-sm) var(--space-md);
  z-index: 1000;
  border-radius: var(--radius-sm);
  font-weight: var(--weight-semibold);
}

.skip-link:focus {
  top: var(--space-sm);
}

button[type="submit"]:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.form-success {
  background: #16a34a !important;
}

.form-error {
  background: #dc2626 !important;
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-md);
  }
  section {
    padding: var(--space-2xl) 0;
  }
}