/**
 * Global base styles — HellSpin Casino
 */

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

/* Skip link */
.skip-link {
  position: absolute;
  /* translateY(-100%) is relative to the element's own (rendered) height,
     so it always fully clears the viewport — a fixed `top: -3rem` guess
     was ~1-2px short of the real button height and left a sliver of the
     yellow background peeking in at the very top of the page. */
  top: 0;
  left: 1rem;
  z-index: 1000;
  padding: 0.75rem 1.25rem;
  background: var(--color-accent-yellow);
  color: var(--color-text-on-light-btn);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-card);
  transform: translateY(-100%);
  transition: transform var(--transition-base);
}

.skip-link:focus {
  transform: translateY(1rem);
}

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

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

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

.section--tight {
  padding-block: calc(var(--space-section) / 1.6);
}

main {
  display: block;
}

/* Headings */
h1, h2, h3 {
  color: var(--color-heading-gold);
  font-weight: var(--font-weight-bold);
  line-height: 1.3;
}

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

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

h3 {
  font-size: var(--font-size-h3);
  margin-block-end: var(--space-h3-text);
}

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

p:last-child {
  margin-block-end: 0;
}

a {
  transition: color var(--transition-base), opacity var(--transition-base);
}

a:hover {
  opacity: 0.85;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-pill);
  font-weight: var(--font-weight-semibold);
  font-size: 0.9375rem;
  white-space: nowrap;
  transition: transform var(--transition-base), opacity var(--transition-base), background var(--transition-base);
}

.btn:hover {
  transform: translateY(-2px);
  opacity: 1;
}

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

.btn--accent {
  background: var(--color-accent-yellow);
  color: var(--color-text-on-light-btn);
}

.btn--secondary {
  background: transparent;
  border: 1.5px solid var(--color-btn-secondary-border);
  color: var(--color-accent-yellow);
}

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

/* Content sections (H2 + intro + H3 structure, used repeatedly) */
.content-section {
  /* Each content-section carries the generic .section padding too, so two
     of these stacked back to back added up to roughly double
     --space-section of empty space between them (bottom padding of one +
     top padding of the next). This override keeps that rhythm much
     tighter, specifically for this repeated block. */
  padding-block: clamp(1rem, 2vw, 1.5rem);
}

.content-section__intro {
  /* Was capped at 90ch, narrower than the container at wide screens —
     paragraphs stopped well short of the table/list below them. Full
     width keeps every part of a content section (intro text, tables,
     lists) flush to the same edge. */
  max-width: 100%;
}

.content-section__image {
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius-card);
  margin-block-end: var(--space-h2-text);
}

.content-section__h3-group {
  display: grid;
  gap: var(--space-card-gap);
  margin-block-start: var(--space-paragraph);
}

.content-section__cta {
  margin-block-start: var(--space-paragraph);
}

/* Lists inside content */
.content-list {
  display: grid;
  gap: 0.625rem;
  margin-block-end: var(--space-paragraph);
}

.content-list__item {
  position: relative;
  padding-inline-start: 1.25rem;
}

.content-list__item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent-yellow);
}

/* Tables */
.table-wrap {
  overflow-x: auto;
  margin-block-end: var(--space-paragraph);
  border-radius: var(--radius-card);
  background: var(--color-bg-dark);
}

.data-table {
  min-width: 100%;
  font-size: 0.9375rem;
}

.data-table caption {
  text-align: left;
  padding: var(--space-card-padding) var(--space-card-padding) 0;
  color: var(--color-heading-gold);
  font-weight: var(--font-weight-semibold);
}

.data-table th,
.data-table td {
  padding: 0.875rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border-subtle);
}

.data-table thead th {
  color: var(--color-bg-primary);
  background: var(--color-accent-yellow);
  font-weight: var(--font-weight-semibold);
}

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

.data-table tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.02);
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  font-size: 0.8125rem;
  color: var(--color-text-primary);
}

.breadcrumb__link {
  color: var(--color-text-primary);
}

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

.breadcrumb__current {
  color: var(--color-accent-yellow);
}

.breadcrumb__sep {
  opacity: 0.5;
}

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

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

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

@media (min-width: 1024px) {
  .card-grid--3up {
    grid-template-columns: repeat(3, 1fr);
  }
  .card-grid--4up {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1440px) {
  .card-grid--4up {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* 404 page */
.error-404__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.75rem;
  padding-block: clamp(2rem, 8vw, 5rem);
}

.error-404__code {
  font-size: clamp(4rem, 15vw, 8rem);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-accent-yellow);
  line-height: 1;
  margin-block-end: 0.5rem;
}

.error-404__text {
  max-width: 40rem;
  margin-block-end: 0.75rem;
}

/* Bonus card (Bonus page grid) */
.bonus-card {
  display: flex;
  flex-direction: column;
  background: var(--color-bg-dark);
  border-radius: var(--radius-card);
  padding: var(--space-card-padding);
}

.bonus-card__image {
  width: 100%;
  /* Source files range from square to tall portrait to wide landscape, so
     no single box ratio fits all without letterboxing. A shared square
     box keeps every card the same size (and `object-fit: contain` still
     shows each image whole, uncropped, with padding filling the gap on
     images that aren't actually square). `height: auto` is required for
     `aspect-ratio` to take effect — otherwise the width/height HTML
     attributes on the <img> already count as an explicit height, which
     aspect-ratio has nothing left to compute (same issue fixed earlier for
     the games slider). */
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  border-radius: calc(var(--radius-card) - 2px);
  margin-block-end: 1rem;
  background: var(--color-bg-primary);
}

.bonus-card__title {
  margin-block-end: 0.625rem;
}

.bonus-card__text {
  flex-grow: 1;
  font-size: 0.9375rem;
  margin-block-end: 1.25rem;
}

/* Section heading row (title + optional CTA) */
.section-heading {
  margin-block-end: var(--space-h2-text);
}

/* Two-column platform block (Android/iOS) */
.platform-grid {
  display: grid;
  gap: var(--space-card-gap);
  grid-template-columns: 1fr;
}

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

.platform-card {
  background: var(--color-bg-dark);
  border-radius: var(--radius-card);
  padding: var(--space-card-padding);
}

.platform-card__icon {
  width: 56px;
  height: 56px;
  margin-block-end: 1rem;
}

.platform-card__table {
  margin-block-start: 1rem;
}

/* Visually hidden utility */
.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;
}

/* Scroll-to-top button */
.scroll-top {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  z-index: 500;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-accent-yellow);
  color: var(--color-text-on-light-btn);
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-card);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
}

.scroll-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Fade-in animation hook (opt-in via JS/IntersectionObserver) */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

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