/* ==========================================================================
   css/global.css — Global element + utility styles
   Cascade order: tokens.css -> reset.css -> global.css -> block CSS
   ========================================================================== */

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-regular);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
}

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  top: -48px;
  left: var(--space-md);
  z-index: var(--z-modal);
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-heading-gold);
  color: var(--color-btn-text-dark);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-card);
  transition: top var(--transition-fast);
}

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

/* ---------- Focus visibility ---------- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--color-accent-blue);
  outline-offset: 2px;
  border-radius: var(--radius-input);
}

/* ---------- Headings ---------- */
h1,
h2,
h3,
h4 {
  color: var(--color-heading-gold);
  font-weight: var(--font-weight-black);
  line-height: 1.25;
}

h1 {
  font-size: var(--font-size-h1);
}

h2 {
  font-size: var(--font-size-h2);
  margin-bottom: var(--space-h2-text);
}

h3 {
  font-size: var(--font-size-h3);
  margin-bottom: var(--space-h3-text);
  font-weight: var(--font-weight-bold);
}

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

p:last-child {
  margin-bottom: 0;
}

strong {
  color: var(--color-white);
  font-weight: var(--font-weight-semibold);
}

a.link-inline {
  color: var(--color-accent-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

a.link-inline:hover {
  color: var(--color-heading-gold);
}

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

main {
  display: block;
}

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

.section--dark {
  background-color: var(--color-bg-dark);
}

.section__title {
  margin-bottom: var(--space-h2-text);
}

.section__intro {
  max-width: 900px;
  margin-bottom: var(--space-paragraph);
}

.section__image {
  width: 100%;
  border-radius: var(--radius-card);
  overflow: hidden;
  margin-bottom: var(--space-paragraph);
}

.section__image img {
  width: 100%;
  height: auto;
  object-fit: contain;
  background-color: var(--color-bg-dark);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn--primary {
  background: var(--color-btn-gradient);
  color: var(--color-btn-text-dark);
  box-shadow: var(--shadow-card);
}

.btn--secondary {
  background: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-btn-secondary-border);
}

.btn--block {
  width: 100%;
}

.btn--blue {
  background: var(--color-accent-blue);
  color: var(--color-white);
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-small);
  color: var(--color-text-primary);
}

.breadcrumb a {
  color: var(--color-text-primary);
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--color-heading-gold);
}

.breadcrumb__current {
  color: var(--color-heading-gold);
}

/* ---------- Cards ---------- */
.card {
  background-color: var(--color-card-bg);
  border-radius: var(--radius-card);
  padding: var(--space-card-padding);
  /* Grid/flex items default to min-width:auto, which lets a wide child
     (e.g. a data table) blow out the card instead of scrolling internally.
     min-width:0 lets the card shrink to its track so overflow is contained
     to .data-table-wrap, not the whole card or page. */
  min-width: 0;
}

/* ---------- Tables ---------- */
.data-table-wrap {
  overflow-x: auto;
  margin-bottom: var(--space-paragraph);
  border-radius: var(--radius-card);
}

.data-table {
  width: 100%;
  min-width: 480px;
  background-color: var(--color-card-bg);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.data-table caption {
  text-align: left;
  color: var(--color-heading-gold);
  font-weight: var(--font-weight-semibold);
  padding: var(--space-sm) var(--space-lg);
}

.data-table th,
.data-table td {
  padding: var(--space-sm) var(--space-lg);
  text-align: left;
  font-size: var(--font-size-small);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.data-table th {
  color: var(--color-heading-gold);
  font-weight: var(--font-weight-semibold);
  background-color: rgba(0, 0, 0, 0.18);
}

.data-table tr:last-child td {
  border-bottom: none;
}

/* ---------- Lists ---------- */
.styled-list {
  display: grid;
  gap: var(--space-sm);
  margin-bottom: var(--space-paragraph);
}

.styled-list li {
  position: relative;
  padding-left: 24px;
}

.styled-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-heading-gold);
}

/* ---------- Grid utilities ---------- */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-card-gap);
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-card-gap);
}

.grid-4 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-card-gap);
}

@media (min-width: 480px) {
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ---------- Reveal animation (opt-in via JS) ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------- Bonus cards (Bonus page grid) ---------- */
.bonus-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.bonus-card__image {
  border-radius: var(--radius-card);
  overflow: hidden;
  background-color: var(--color-bg-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 720 / 454;
}

.bonus-card__image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.bonus-card h3 {
  margin-bottom: 0;
}

.bonus-card p {
  margin-bottom: 0;
  flex-grow: 1;
}

/* ---------- 404 page ---------- */
.not-found {
  padding-block: calc(var(--space-section) * 2);
}

.not-found__inner {
  max-width: 640px;
  margin-inline: auto;
  text-align: center;
}

.not-found__code {
  font-size: clamp(72px, 14vw, 140px);
  font-weight: var(--font-weight-black);
  color: var(--color-heading-gold);
  line-height: 1;
}

.not-found__title {
  margin-top: var(--space-md);
}

.not-found__text {
  margin-top: var(--space-md);
  margin-bottom: var(--space-lg);
}

/* ---------- Visually hidden (a11y) ---------- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}