/* ============================================================
   Silicon Scripted — Main Stylesheet
   Import order: tokens → reset → typography → utilities → layout → components
   ============================================================ */

/* ── Design Tokens (theme variables) ──────────────────────── */
@import url('./brand-tokens.css');

/* ── Base Styles ──────────────────────────────────────────── */
@import url('./base/reset.css');
@import url('./base/typography.css');
@import url('./base/utilities.css');

/* ── Layout ───────────────────────────────────────────────── */
@import url('./layout/containers.css');
@import url('./layout/nav.css');

/* ── Components ───────────────────────────────────────────── */
@import url('./components/buttons.css');
@import url('./components/cards.css');

/* ── Legacy variable aliases (for backward compatibility) ── */
:root {
  /* Map old names to new token names */
  --color-blue:  var(--color-info);
  --color-amber: var(--color-warning);
  --color-red:   var(--color-error);
  --color-text-tertiary: var(--color-text-muted);
  --shadow-card: var(--shadow-md);
  --transition:  var(--transition-normal);
  /* Line-height aliases used in docs.css */
  --line-height-tight:   var(--leading-tight);
  --line-height-relaxed: var(--leading-relaxed);
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ── Focus Visible ────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ── Screen Reader Only ───────────────────────────────────── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Skip to content link — visible on focus */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 9999;
  padding: 0.5rem 1rem;
  background: var(--color-accent);
  color: #000;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: top var(--transition);
}
.skip-link:focus {
  top: 1rem;
  text-decoration: none;
}

/* ── Typography ───────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-text);
  font-weight: 600;
  line-height: 1.25;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1rem; }

p {
  color: var(--color-text-secondary);
  max-width: 65ch;
}

code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--color-surface-2);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
  color: var(--color-accent);
}

/* ── Layout Utilities ─────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--content-padding);
}

.section {
  padding-block: clamp(3rem, 8vw, 6rem);
}

.section-header {
  margin-bottom: clamp(2rem, 5vw, 3rem);
}

.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.section-title {
  color: var(--color-text);
}

.section-subtitle {
  margin-top: 0.75rem;
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  max-width: 55ch;
}

/* Grid helpers */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

@media (max-width: 1023px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 639px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

/* ── Cards ────────────────────────────────────────────────── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}

.card-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.card-description {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  max-width: none;
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 600;
  transition: opacity var(--transition), transform var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover {
  opacity: 0.85;
  transform: translateY(-1px);
  text-decoration: none;
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--color-accent);
  color: #000;
}

.btn-secondary {
  background: var(--color-surface-2);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-ghost {
  background: transparent;
  color: var(--color-blue);
  padding-inline: 0;
}

.btn-ghost:hover {
  opacity: 0.75;
  transform: none;
  text-decoration: underline;
}

/* ── Tags / Pills ─────────────────────────────────────────── */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

/* ── Badges ───────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge--live {
  background: rgba(52, 211, 153, 0.12);
  color: #34D399;
  border: 1px solid rgba(52, 211, 153, 0.28);
}

.badge--live::before {
  content: '';
  width: 6px;
  height: 6px;
  background: #34D399;
  border-radius: 50%;
}

.badge--soon {
  background: rgba(192, 132, 252, 0.12);
  color: #C084FC;
  border: 1px solid rgba(192, 132, 252, 0.30);
}

.badge--soon::before {
  content: '';
  width: 6px;
  height: 6px;
  background: #C084FC;
  border-radius: 50%;
}

.badge--dev {
  background: rgba(255, 159, 10, 0.15);
  color: var(--color-amber);
  border: 1px solid rgba(255, 159, 10, 0.3);
}

.badge--ios {
  background: rgba(10, 132, 255, 0.12);
  color: var(--color-blue);
  border: 1px solid rgba(10, 132, 255, 0.25);
}

/* ── Divider ──────────────────────────────────────────────── */
.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin-block: 2rem;
}

/* ── Page Hero ────────────────────────────────────────────── */
.page-hero {
  padding-block: clamp(3rem, 8vw, 5rem);
  text-align: center;
}

.page-hero h1 {
  margin-bottom: 1rem;
}

.page-hero p {
  margin-inline: auto;
  font-size: 1.125rem;
}

/* ── Footer ───────────────────────────────────────────────── */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding-block: 2.5rem;
  margin-top: auto;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
}

.footer-brand img {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
}

.footer-brand-name {
  font-weight: 600;
  color: var(--color-text);
  font-size: 0.9375rem;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--color-text);
  text-decoration: none;
}

.footer-copy {
  font-size: 0.8125rem;
  color: var(--color-text-tertiary);
}

@media (max-width: 639px) {
  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
  .footer-links {
    justify-content: center;
  }
}

/* ── Legal Pages (Privacy, Terms) ─────────────────────────── */
.legal-content {
  max-width: 72ch;
  padding-block: clamp(3rem, 8vw, 5rem);
}

.legal-content h1 {
  margin-bottom: 0.5rem;
}

.legal-meta {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
  font-family: var(--font-mono);
  margin-bottom: 2.5rem;
}

.legal-content h2 {
  font-size: 1.125rem;
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

.legal-content h3 {
  font-size: 1rem;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.legal-content p {
  font-size: 0.9375rem;
  margin-bottom: 1rem;
  max-width: 100%;
}

.legal-content ul {
  list-style: disc;
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.legal-content li {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.375rem;
}

.legal-content a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.legal-content a:hover {
  opacity: 0.8;
}

.legal-warning {
  background: rgba(255, 159, 10, 0.1);
  border: 1px solid rgba(255, 159, 10, 0.3);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
}

.legal-warning p {
  margin-bottom: 0;
  color: var(--color-text);
}

/* ── Codebase Disclaimer Banner ───────────────────────────── */
.codebase-disclaimer {
  background: rgba(255, 159, 10, 0.08);
  border: 1px solid rgba(255, 159, 10, 0.25);
  border-radius: var(--radius-md);
  padding: 0.875rem 1.25rem;
  margin-bottom: 1.5rem;
}

.codebase-disclaimer p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  max-width: none;
}

.codebase-disclaimer a {
  color: var(--color-accent);
}

/* ── Reduced Motion ───────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}