/* ==========================================================================
   HellSpin - Global styles
   ========================================================================== */

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

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

main {
  display: block;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-sm);
  z-index: 2000;
  background: var(--color-accent-bg);
  color: var(--color-text-on-light);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-card);
  font-weight: var(--font-weight-semibold);
  transition: top var(--transition-fast);
}

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

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

/* Headings */
h1 {
  font-size: var(--font-size-h1);
  color: var(--color-heading-gold);
  font-weight: var(--font-weight-extrabold);
}

h2 {
  font-size: var(--font-size-h2);
  color: var(--color-heading-gold);
  font-weight: var(--font-weight-bold);
}

h3 {
  font-size: var(--font-size-h3);
  color: var(--color-white);
  font-weight: var(--font-weight-semibold);
}

p {
  color: var(--color-text-main);
}

p + p {
  margin-top: var(--space-paragraph-gap);
}

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

/* Sections */
.page-section {
  padding-block: var(--space-section);
}

.page-section__heading {
  margin-bottom: var(--space-h2-text-gap);
}

.page-section__intro {
  margin-top: var(--space-section);
  margin-bottom: var(--space-lg);
}

.page-section__body h3 {
  margin-top: var(--space-xl);
  margin-bottom: var(--space-h3-text-gap);
}

.page-section__body ul,
.page-section__body ol {
  display: grid;
  gap: var(--space-2xs);
  margin-block: var(--space-paragraph-gap);
  padding-left: var(--space-md);
}

.page-section__body ul {
  list-style: none;
}

.page-section__body ul li {
  position: relative;
  padding-left: var(--space-md);
}

.page-section__body ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent-bg);
}

.page-section__body ol {
  list-style: decimal;
  padding-left: var(--space-lg);
}

.page-section__body ol li {
  padding-left: var(--space-2xs);
}

.page-section__body a {
  color: var(--color-heading-gold);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

.page-section__body a:hover {
  color: var(--color-accent-bg);
}

/* Content section: H2 -> image -> text (mobile) / H2 -> text + image (desktop varies per spec) */
.content-block {
  display: grid;
  gap: var(--space-lg);
}

.content-block__media {
  order: -1;
  border-radius: var(--radius-card);
  overflow: hidden;
}

.content-block__media img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.content-block__media--full img {
  object-fit: contain;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xs);
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-card);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
  text-align: center;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}

.btn--primary {
  background: var(--gradient-cta);
  color: var(--color-white);
  box-shadow: 0 8px 20px rgba(239, 52, 56, 0.35);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--gradient-cta-hover);
  transform: translateY(-2px);
}

.btn--secondary {
  background: transparent;
  color: var(--color-white);
  border: 1px solid var(--color-btn-secondary-border);
}

.btn--secondary:hover,
.btn--secondary:focus-visible {
  background: var(--color-accent-bg);
  color: var(--color-text-on-light);
}

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

.section-cta {
  margin-top: var(--space-xl);
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2xs);
  font-size: var(--font-size-small);
  color: var(--color-text-main);
}

.breadcrumb__link {
  color: var(--color-text-main);
  transition: color var(--transition-fast);
}

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

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

.breadcrumb__sep {
  color: var(--color-text-main);
  opacity: 0.5;
}

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

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

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

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

.data-table th {
  color: var(--color-heading-gold);
  font-weight: var(--font-weight-semibold);
  white-space: nowrap;
}

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

.data-table td {
  color: var(--color-text-main);
}

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

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

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

.card {
  background: var(--color-bg-dark);
  border-radius: var(--radius-card);
  padding: var(--space-card-padding);
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
}

/* Two-column layout (e.g. Android/iOS) */
.two-col {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-card-gap);
}

@media (min-width: 768px) {
  .two-col {
    grid-template-columns: 1fr 1fr;
  }
}

/* Fade-in animation hook (opt-in via JS) */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

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

/* Utility */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.section-title-only {
  margin-bottom: var(--space-lg);
}

/* Card media (bonus cards, app platform cards) - uniform display size
   regardless of the source image's natural dimensions. */
.card > img {
  width: 100%;
  border-radius: var(--radius-card);
  object-fit: contain;
  background: var(--color-bg-primary);
}

.card__media {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-card);
  background: var(--color-bg-primary);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.card h3 {
  margin-top: var(--space-2xs);
}

.card p {
  flex-grow: 1;
}

.app-platforms {
  margin-top: var(--space-section);
  padding-top: var(--space-section);
}

.app-download-cols {
  margin-top: var(--space-xl);
}

.app-platforms__card img {
  width: 72px;
  height: 72px;
  align-self: flex-start;
}

/* 404 page */
.not-found {
  min-height: 50dvh;
  display: flex;
  align-items: center;
}

.not-found__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-sm);
}

.not-found__code {
  font-size: clamp(4rem, 12vw, 8rem);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-heading-gold);
  line-height: 1;
}

.not-found__title {
  font-size: var(--font-size-h1);
}

.not-found__subtitle {
  max-width: 60ch;
}

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