/* ============================
   Espelho de Água — Design Tokens & Base
   ============================ */

:root {
  /* Spacing — 8pt grid */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --space-16: 64px;

  /* Typography scale */
  --text-xs: 12px;
  --text-sm: 14px;
  --text-base: 16px;
  --text-lg: 20px;
  --text-xl: 24px;
  --text-2xl: 32px;
  --text-3xl: 48px;

  /* Color system */
  --color-bg: #faf9f7;
  --color-surface: #ffffff;
  --color-text-primary: #2d2a26;
  --color-text-secondary: #6b6560;
  --color-text-muted: #9c9893;
  --color-border: #e8e4df;
  --color-accent: #6b8f71;
  --color-accent-dark: #4a6b4f;
  --color-accent-light: #e8f0e9;
  --color-danger: #c0392b;
  --color-success: #27ae60;
  --color-warning: #d4a017;
  --color-info: #2980b9;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.10);

  /* Layout */
  --container-max: 1140px;
  --header-height: 72px;

  /* Badge tokens — light mode defaults (WCAG AA compliant) */
  --badge-free-bg: #c3e6cb;
  --badge-free-text: #155724;
  --badge-paid-bg: #ffeeba;
  --badge-paid-text: #856404;
  --badge-provisional-bg: var(--color-accent-light);
  --badge-provisional-text: var(--color-accent-dark);
  --badge-soon-bg: #cce5ff;
  --badge-soon-text: #004085;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-accent);
  color: #fff;
  padding: var(--space-2) var(--space-4);
  z-index: 1000;
  text-decoration: none;
  border-radius: 0 0 var(--radius-sm) 0;
}

.skip-link:focus {
  top: 0;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Lora', Georgia, serif;
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text-primary);
}

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

p { margin-bottom: var(--space-4); }

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--color-accent-dark);
}

a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Container */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

/* ============================
   Header / Navigation
   ============================ */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 200;
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.nav-main {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  height: 100%;
}

.brand {
  font-family: 'Lora', serif;
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  text-decoration: none;
  flex-shrink: 0;
}

.brand:hover {
  color: var(--color-accent);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--space-6);
  margin: 0;
  padding: 0;
}

.nav-menu a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: var(--space-2) 0;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}

.nav-menu a:hover,
.nav-menu a[aria-current="page"] {
  color: var(--color-text-primary);
  border-bottom-color: var(--color-accent);
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  margin-left: auto;
}

.lang-switch a {
  color: var(--color-text-muted);
  font-weight: 500;
  text-decoration: none;
}

.lang-switch a.active {
  color: var(--color-accent);
  font-weight: 700;
}

.lang-switch span {
  color: var(--color-border);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text-primary);
  margin: 4px 0;
  border-radius: 2px;
}

/* Mobile nav */
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-surface);
    flex-direction: column;
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-border);
    gap: var(--space-2);
  }

  .nav-menu.is-open {
    display: flex;
  }

  .lang-switch {
    margin-left: auto;
    margin-right: var(--space-4);
  }
}

/* ============================
   Main content
   ============================ */
main {
  min-height: calc(100vh - var(--header-height));
}

/* ============================
   Section headings
   ============================ */
.section-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.section-header h2 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

.section-header p {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

/* ============================
   Cards
   ============================ */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: box-shadow 0.2s, transform 0.2s;
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* Accessible keyboard focus on card links */
.card .card-title a:focus-visible,
.card:focus-within .card-title a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Card placeholder images — fixed aspect-ratio prevents layout shift */
.card-image-placeholder {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.card-image {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  display: block;
}

.card-body {
  padding: var(--space-4);
}

.card-title {
  font-family: 'Lora', serif;
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
  line-height: 1.3;
}

.card-title a {
  color: var(--color-text-primary);
  text-decoration: none;
}

.card-title a:hover {
  color: var(--color-accent);
}

.card-meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.card-excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-3);
}

.card-category {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-accent);
  background: var(--color-accent-light);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  text-decoration: none;
  margin-bottom: var(--space-2);
}

/* ============================
   Buttons
   ============================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  font-family: inherit;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
  line-height: 1.4;
}

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

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

.btn-primary:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.btn-outline:hover {
  background: var(--color-accent);
  color: #fff;
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text-primary);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-text-muted);
}

.btn-sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
}

.btn-lg {
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
}

/* ============================
   Forms
   ============================ */
.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: var(--space-1);
  color: var(--color-text-primary);
}

.form-label .required {
  color: var(--color-danger);
  margin-left: 2px;
}

.form-control {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-base);
  font-family: inherit;
  color: var(--color-text-primary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color 0.2s, box-shadow 0.2s;
  line-height: 1.5;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(107, 143, 113, 0.15);
}

.form-control.is-invalid {
  border-color: var(--color-danger);
}

.form-error {
  font-size: var(--text-sm);
  color: var(--color-danger);
  margin-top: var(--space-1);
  display: block;
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

/* ============================
   Alerts
   ============================ */
.alert {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  margin: var(--space-4) var(--space-4) 0;
  font-size: var(--text-sm);
}

.alert-success {
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.alert-error, .alert-danger {
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.alert-info {
  background: #d1ecf1;
  color: #0c5460;
  border: 1px solid #bee5eb;
}

.alert-warning {
  background: #fff3cd;
  color: #856404;
  border: 1px solid #ffeeba;
}

/* ============================
   Hero section
   ============================ */
.hero {
  padding: var(--space-12) 0;
  text-align: center;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.hero h1 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-4);
}

.hero p {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-6);
}
/* ============================
   Editorial Hero — calm water theme
   ============================ */
.hero-editorial {
  position: relative;
  overflow: hidden;
  padding: var(--space-16) 0;
  background: linear-gradient(
    160deg,
    #f0f4f1 0%,
    #e8f0eb 40%,
    #e2eeed 100%
  );
  border-bottom: 1px solid var(--color-border);
}

.hero-editorial__visual {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-editorial__wave {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 200px;
  color: var(--color-accent);
}

.hero-editorial__content {
  position: relative;
  z-index: 1;
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.hero-editorial__eyebrow {
  font-family: 'Inter', sans-serif;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.hero-editorial__title {
  font-family: 'Lora', Georgia, serif;
  font-size: clamp(var(--text-xl), 4vw, var(--text-3xl));
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-6);
}

.hero-editorial__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero-editorial__cta-primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
}

.hero-editorial__cta-primary:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: #fff;
}

.hero-editorial__cta-secondary {
  color: var(--color-text-secondary);
  border-color: var(--color-border);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
}

.hero-editorial__cta-secondary:hover {
  color: var(--color-text-primary);
  border-color: var(--color-text-muted);
  background: transparent;
}

/* ============================
   Section spacing
   ============================ */
.section {
  padding: var(--space-12) 0;
}

.section-sm {
  padding: var(--space-8) 0;
}

.section-alt {
  background: var(--color-surface);
}

/* ============================
   Grid layouts
   ============================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-6);
}

.card-grid-4 {
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}

/* ============================
   Featured post
   ============================ */
.featured-post {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: center;
  padding: var(--space-8) 0;
}

@media (max-width: 768px) {
  .featured-post {
    grid-template-columns: 1fr;
  }
}

.featured-post .card {
  height: 100%;
}

.featured-content h2 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
}

.featured-content .card-excerpt {
  font-size: var(--text-base);
}

/* ============================
   Blog listing
   ============================ */
.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.blog-filters .filter-btn {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-sm);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
}

.blog-filters .filter-btn:hover,
.blog-filters .filter-btn.active {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

/* ============================
   Pagination
   ============================ */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-8);
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 var(--space-2);
  font-size: var(--text-sm);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.pagination a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.pagination .current {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

/* ============================
   Video cards
   ============================ */
.video-card {
  position: relative;
}

.video-card .card-image {
  position: relative;
  background: var(--color-text-primary);
}

.video-placeholder-badge {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.4);
  color: #fff;
  text-align: center;
  padding: var(--space-4);
}

.video-placeholder-badge i {
  font-size: 32px;
  margin-bottom: var(--space-2);
}

.video-duration {
  position: absolute;
  bottom: var(--space-2);
  right: var(--space-2);
  background: rgba(0,0,0,0.75);
  color: #fff;
  font-size: var(--text-xs);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

/* ============================
   Resource / product badges
   ============================ */
.badge {
  display: inline-block;
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.4;
}

.badge-free {
  background: var(--badge-free-bg);
  color: var(--badge-free-text);
}

.badge-paid {
  background: var(--badge-paid-bg);
  color: var(--badge-paid-text);
}

.badge-provisional {
  background: var(--badge-provisional-bg);
  color: var(--badge-provisional-text);
  font-size: 10px;
}

.badge-soon {
  background: var(--badge-soon-bg);
  color: var(--badge-soon-text);
}

/* ============================
   Shop / Cart
   ============================ */
.shop-product .price {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.cart-table {
  width: 100%;
  border-collapse: collapse;
}

.cart-table th,
.cart-table td {
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  font-size: var(--text-sm);
}

.cart-table th {
  font-weight: 600;
  color: var(--color-text-secondary);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.cart-total {
  text-align: right;
  padding: var(--space-4);
  font-size: var(--text-lg);
  font-weight: 600;
  border-top: 2px solid var(--color-border);
}

/* ============================
   Checkout
   ============================ */
.stripe-notice {
  background: var(--color-accent-light);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  text-align: center;
  margin-bottom: var(--space-6);
}

.stripe-notice h3 {
  margin-bottom: var(--space-2);
}

.stripe-notice p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

/* ============================
   Blog post detail
   ============================ */
.post-header {
  padding: var(--space-8) 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-8);
}

.post-header h1 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-3);
}

.post-cover {
  width: 100%;
  max-height: 500px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-6);
}

.post-body {
  max-width: 720px;
  margin: 0 auto;
  font-size: var(--text-base);
  line-height: 1.8;
}

.post-body p {
  margin-bottom: var(--space-4);
}

.post-body h2 {
  margin-top: var(--space-8);
  margin-bottom: var(--space-4);
}

.post-references {
  margin-top: var(--space-8);
  padding: var(--space-4);
  background: var(--color-bg);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* ============================
   Contact form
   ============================ */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

/* ============================
   Footer
   ============================ */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-12) 0 var(--space-6);
  margin-top: var(--space-12);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-col h3,
.footer-col h4 {
  font-size: var(--text-base);
  margin-bottom: var(--space-3);
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col li {
  margin-bottom: var(--space-2);
}

.footer-col a {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.footer-col a:hover {
  color: var(--color-accent);
}

.footer-disclaimer {
  padding: var(--space-4);
  background: var(--color-bg);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-6);
  font-size: var(--text-sm);
}

.footer-disclaimer p {
  margin: 0;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

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

/* ============================
   404 / Error pages
   ============================ */
.error-page {
  text-align: center;
  padding: var(--space-16) var(--space-4);
}

.error-page h1 {
  font-size: 80px;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

/* ============================
   Utilities
   ============================ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--color-text-muted); }
.text-sm { font-size: var(--text-sm); }
.text-xs { font-size: var(--text-xs); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

/* ============================
   Responsive
   ============================ */
@media (max-width: 576px) {
  :root {
    --text-3xl: 36px;
    --text-2xl: 28px;
  }

  .section {
    padding: var(--space-8) 0;
  }

  .hero {
    padding: var(--space-8) 0;
  }
}

/* ============================
   Dark Mode — WCAG AA compliant
   ============================ */

/* Respect reduced-motion globally */
@media (prefers-reduced-motion: no-motion) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

[data-theme="dark"] {
  /* Surface colors */
  --color-bg: #1a1918;
  --color-surface: #242220;
  --color-text-primary: #e8e4df;
  --color-text-secondary: #b2aca4;
  --color-text-muted: #a49e9a;
  --color-border: #3a3734;

  /* Accent — elevated for dark bg contrast */
  --color-accent: #8ab891;
  --color-accent-dark: #6b8f71;
  --color-accent-light: #1e2a20;

  /* Semantic colors */
  --color-danger: #e05c5c;
  --color-success: #4caf74;
  --color-warning: #e0b84a;
  --color-info: #5ba3d4;

  /* Shadows — deeper on dark */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);

  /* Badge tokens — dark mode (WCAG AA compliant) */
  --badge-free-bg: #2d5a36;
  --badge-free-text: #a8d5b5;
  --badge-paid-bg: #5c4d1a;
  --badge-paid-text: #f0d77a;
  --badge-provisional-bg: #1e2a20;
  --badge-provisional-text: #8ab891;
  --badge-soon-bg: #1a3a5c;
  --badge-soon-text: #7dbde8;
}

/* Gentle theme transitions — motion-safe */
@media (prefers-reduced-motion: no-preference) {
  [data-theme="dark"],
  [data-theme="light"] {
    transition:
      background-color 0.25s ease,
      color 0.25s ease,
      border-color 0.25s ease,
      box-shadow 0.25s ease;
  }
}
@media (max-width: 768px) {
  .hero-editorial {
    padding: var(--space-12) 0;
  }

  .hero-editorial__actions {
    flex-direction: column;
    gap: var(--space-3);
  }

  .hero-editorial__cta-primary,
  .hero-editorial__cta-secondary {
    width: 100%;
    justify-content: center;
  }
}


/* Base element dark overrides */
[data-theme="dark"] body {
  background: var(--color-bg);
  color: var(--color-text-primary);
}

[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] h5,
[data-theme="dark"] h6 {
  color: var(--color-text-primary);
}

[data-theme="dark"] p {
  color: var(--color-text-secondary);
}

/* Links */
[data-theme="dark"] a {
  color: var(--color-accent);
}

[data-theme="dark"] a:hover {
  color: var(--color-accent-dark);
}

/* Focus visible — accent color works on both themes */
[data-theme="dark"] a:focus-visible,
[data-theme="dark"] .btn:focus-visible,
[data-theme="dark"] .form-control:focus {
  outline-color: var(--color-accent);
}

/* Header */
[data-theme="dark"] .site-header {
  background: var(--color-surface);
  border-bottom-color: var(--color-border);
}

[data-theme="dark"] .brand {
  color: var(--color-text-primary);
}

[data-theme="dark"] .nav-menu a {
  color: var(--color-text-secondary);
}

[data-theme="dark"] .nav-menu a:hover,
[data-theme="dark"] .nav-menu a[aria-current="page"] {
  color: var(--color-text-primary);
  border-bottom-color: var(--color-accent);
}

[data-theme="dark"] .nav-toggle span {
  background: var(--color-text-primary);
}

/* Mobile nav */
@media (max-width: 768px) {
  [data-theme="dark"] .nav-menu {
    background: var(--color-surface);
    border-bottom-color: var(--color-border);
  }
}

/* Lang switch */
[data-theme="dark"] .lang-switch a {
  color: var(--color-text-muted);
}

[data-theme="dark"] .lang-switch a.active {
  color: var(--color-accent);
}

[data-theme="dark"] .lang-switch span {
  color: var(--color-border);
}

/* Skip link */
[data-theme="dark"] .skip-link {
  background: var(--color-accent);
}

/* Cards */
[data-theme="dark"] .card {
  background: var(--color-surface);
  border-color: var(--color-border);
}

[data-theme="dark"] .card-title a {
  color: var(--color-text-primary);
}

[data-theme="dark"] .card-title a:hover {
  color: var(--color-accent);
}

[data-theme="dark"] .card-meta {
  color: var(--color-text-muted);
}

[data-theme="dark"] .card-excerpt {
  color: var(--color-text-secondary);
}

[data-theme="dark"] .card-category {
  color: var(--color-accent);
  background: var(--color-accent-light);
}

/* Buttons */
[data-theme="dark"] .btn-primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #1a1918;
}

[data-theme="dark"] .btn-primary:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: #fff;
}

[data-theme="dark"] .btn-outline {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

[data-theme="dark"] .btn-outline:hover {
  background: var(--color-accent);
  color: #1a1918;
}

[data-theme="dark"] .btn-secondary {
  background: var(--color-surface);
  color: var(--color-text-primary);
  border-color: var(--color-border);
}

[data-theme="dark"] .btn-secondary:hover {
  border-color: var(--color-text-muted);
}

/* Forms */
[data-theme="dark"] .form-label {
  color: var(--color-text-primary);
}

[data-theme="dark"] .form-control {
  background: var(--color-surface);
  color: var(--color-text-primary);
  border-color: var(--color-border);
}

[data-theme="dark"] .form-control:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(138, 184, 145, 0.2);
}

[data-theme="dark"] .form-control.is-invalid {
  border-color: var(--color-danger);
}

/* Alerts */
[data-theme="dark"] .alert-success {
  background: rgba(76, 175, 116, 0.15);
  color: #4caf74;
  border-color: rgba(76, 175, 116, 0.3);
}

[data-theme="dark"] .alert-error,
[data-theme="dark"] .alert-danger {
  background: rgba(224, 92, 92, 0.15);
  color: #e05c5c;
  border-color: rgba(224, 92, 92, 0.3);
}

[data-theme="dark"] .alert-info {
  background: rgba(91, 163, 212, 0.15);
  color: #5ba3d4;
  border-color: rgba(91, 163, 212, 0.3);
}

[data-theme="dark"] .alert-warning {
  background: rgba(224, 184, 74, 0.15);
  color: #e0b84a;
  border-color: rgba(224, 184, 74, 0.3);
}

/* Hero */
[data-theme="dark"] .hero {
  background: var(--color-surface);
  border-bottom-color: var(--color-border);
}

[data-theme="dark"] .hero p {
  color: var(--color-text-secondary);
}

/* Section alt */
[data-theme="dark"] .section-alt {
  background: var(--color-surface);
}

/* Blog filters */
[data-theme="dark"] .blog-filters {
  border-bottom-color: var(--color-border);
}

[data-theme="dark"] .blog-filters .filter-btn {
  background: var(--color-surface);
  color: var(--color-text-secondary);
  border-color: var(--color-border);
}

[data-theme="dark"] .blog-filters .filter-btn:hover,
[data-theme="dark"] .blog-filters .filter-btn.active {
  background: var(--color-accent);
  color: #1a1918;
  border-color: var(--color-accent);
}

/* Pagination */
[data-theme="dark"] .pagination a,
[data-theme="dark"] .pagination span {
  color: var(--color-text-secondary);
  border-color: var(--color-border);
  background: var(--color-surface);
}

[data-theme="dark"] .pagination a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

[data-theme="dark"] .pagination .current {
  background: var(--color-accent);
  color: #1a1918;
  border-color: var(--color-accent);
}

/* Video placeholder */
[data-theme="dark"] .video-card .card-image {
  background: #111;
}

[data-theme="dark"] .video-placeholder-badge {
  background: rgba(0, 0, 0, 0.6);
}

/* Post */
[data-theme="dark"] .post-header {
  border-bottom-color: var(--color-border);
}

[data-theme="dark"] .post-references {
  background: var(--color-surface);
}

[data-theme="dark"] .post-references p {
  color: var(--color-text-secondary);
}

/* Checkout */
[data-theme="dark"] .stripe-notice {
  background: var(--color-accent-light);
  border-color: var(--color-accent);
}

[data-theme="dark"] .stripe-notice p {
  color: var(--color-text-secondary);
}

/* Footer */
[data-theme="dark"] .site-footer {
  background: var(--color-surface);
  border-top-color: var(--color-border);
}

[data-theme="dark"] .footer-col h3,
[data-theme="dark"] .footer-col h4 {
  color: var(--color-text-primary);
}

[data-theme="dark"] .footer-col p {
  color: var(--color-text-secondary);
}

[data-theme="dark"] .footer-col a {
  color: var(--color-text-secondary);
}

[data-theme="dark"] .footer-col a:hover {
  color: var(--color-accent);
}

[data-theme="dark"] .footer-disclaimer {
  background: var(--color-bg);
}

[data-theme="dark"] .footer-disclaimer p {
  color: var(--color-text-secondary);
}

[data-theme="dark"] .footer-bottom {
  border-top-color: var(--color-border);
  color: var(--color-text-muted);
}

[data-theme="dark"] .footer-bottom a {
  color: var(--color-text-muted);
}

/* Section header */
[data-theme="dark"] .section-header p {
  color: var(--color-text-secondary);
}

/* Featured post */
[data-theme="dark"] .featured-post .card-excerpt {
  color: var(--color-text-secondary);
}

/* 404 */
[data-theme="dark"] .error-page h1 {
  color: var(--color-accent);
}

/* Utility text */
[data-theme="dark"] .text-muted {
  color: var(--color-text-muted) !important;
}

/* ============================
   Theme toggle button
   ============================ */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--color-text-secondary);
  flex-shrink: 0;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.theme-toggle:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background: var(--color-accent-light);
}

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

/* Icon visibility: show sun in dark mode, moon in light mode */
.theme-icon-sun  { display: none; }
.theme-icon-moon { display: block; }

[data-theme="dark"] .theme-icon-sun  { display: block; }
[data-theme="dark"] .theme-icon-moon { display: none; }

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