body {
  font-family: var(--font-main);
  font-size: var(--fs-body);
  font-weight: var(--fw-400);
  line-height: var(--line-height);
  color: var(--color-text);
  background-color: var(--color-bg-primary);
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(16px, 4vw, 40px);
}

main { display: block; }

/* Headings */
h1, h2, h3 { color: var(--color-heading); font-weight: var(--fw-700); }
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); color: var(--color-white); }

/* Skip link */
.skip-link {
  position: absolute;
  left: 8px;
  top: -60px;
  z-index: 1000;
  background: var(--color-accent-bg);
  color: var(--color-btn-dark-text);
  padding: 10px 18px;
  border-radius: var(--radius-card);
  font-weight: var(--fw-600);
  transition: top var(--transition);
}
.skip-link:focus { top: 8px; }

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: var(--radius-pill);
  font-weight: var(--fw-700);
  font-size: var(--fs-body);
  text-align: center;
  transition: transform var(--transition), filter var(--transition), background var(--transition);
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--color-cta); color: var(--color-btn-dark-text); }
.btn--primary:hover { filter: brightness(1.05); }
.btn--register { background: var(--color-neon); color: var(--color-btn-dark-text); }
.btn--secondary { background: transparent; border: 1px solid var(--color-btn-secondary-border); color: var(--color-white); }
.btn--secondary:hover { background: rgba(193, 138, 46, 0.15); }
.btn--lg { padding: 15px 34px; font-size: clamp(15px, 1.4vw, 18px); }

/* Content sections */
.section { padding-block: calc(var(--space-section) / 2); }
.section__lead { margin-block: var(--space-h2-text) var(--space-para); }

.content-section { margin-bottom: var(--space-section); }
.content-section h2 { margin-bottom: var(--space-h2-text); }
.content-section h3 { margin-top: var(--space-para); margin-bottom: var(--space-h3-text); }
.content-section p { margin-bottom: var(--space-para); }
.content-section ul.rich-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: var(--space-para);
  padding-left: 4px;
}
.content-section ul.rich-list li {
  position: relative;
  padding-left: 26px;
}
.content-section ul.rich-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: var(--color-accent-bg);
}

/* Content-section image — must display fully, never cropped */
.content-figure { margin-bottom: var(--space-para); }
.content-figure img {
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius-card);
  background: var(--color-bg-dark);
}

/* Tables */
.data-table-wrap { overflow-x: auto; margin-bottom: var(--space-para); }
.data-table {
  background: var(--color-card);
  border-radius: var(--radius-card);
  overflow: hidden;
}
.data-table th,
.data-table td {
  padding: 14px 18px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(241, 244, 244, 0.08);
}
.data-table thead th {
  background: var(--color-bg-dark);
  color: var(--color-heading);
  font-weight: var(--fw-700);
}
.data-table tbody th { color: var(--color-white); font-weight: var(--fw-600); width: 40%; }
.data-table tbody tr:last-child th,
.data-table tbody tr:last-child td { border-bottom: none; }

/* Breadcrumb */
.breadcrumb { padding-block: 14px; font-size: var(--fs-small); }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.breadcrumb li { display: flex; align-items: center; gap: 8px; }
.breadcrumb li:not(:last-child)::after { content: "›"; color: var(--color-heading); }
.breadcrumb a:hover { color: var(--color-heading); }
.breadcrumb [aria-current="page"] { color: var(--color-white); }

/* Section CTA row */
.section-cta { margin-block: var(--space-para) var(--space-section); }

/* Fade-in animation (added by IntersectionObserver) */
.fade-in { opacity: 0; transform: translateY(24px); 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; }
}

/* Scroll-to-top button */
.to-top {
  position: fixed;
  right: clamp(16px, 3vw, 32px);
  bottom: clamp(16px, 3vw, 32px);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-cta);
  color: var(--color-btn-dark-text);
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-card);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  z-index: 900;
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top svg { width: 22px; height: 22px; }

/* Generic grid helpers */
.grid { display: grid; gap: var(--space-card-gap); }

/* Page intro */
.page-intro { padding-block: var(--space-para); }
.page-intro p { margin-bottom: var(--space-para); }
.page-intro ul.rich-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: var(--space-para); }
.page-intro ul.rich-list li { position: relative; padding-left: 26px; }
.page-intro ul.rich-list li::before { content: ""; position: absolute; left: 0; top: 0.55em; width: 10px; height: 10px; border-radius: 2px; background: var(--color-accent-bg); }
.page-intro h3 { color: var(--color-white); margin-bottom: var(--space-h3-text); }

/* Section anchor offset for sticky header */
[id] { scroll-margin-top: calc(var(--header-height) + 16px); }

/* Two-column platform block (app page) */
.platform-grid { display: grid; gap: var(--space-card-gap); grid-template-columns: 1fr; }
@media (min-width: 768px) { .platform-grid { grid-template-columns: 1fr 1fr; } }
.platform-card { background: var(--color-card); border-radius: var(--radius-card); padding: var(--space-card-pad); }
.platform-card__icon { width: auto; height: 48px; object-fit: contain; margin-bottom: 16px; }
.platform-card__title { color: var(--color-heading); font-size: var(--fs-h3); font-weight: var(--fw-700); margin-bottom: var(--space-h3-text); }
.platform-card .btn { margin-top: 16px; width: 100%; }

@media (min-width: 480px) and (max-width: 767.98px) {
  .content-figure img { max-height: none; }
}

/* ---- Bonus cards grid (Bonus page) — images shown fully, never cropped ---- */
.bonus-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-card-gap); margin-block: var(--space-para) var(--space-section); }
@media (min-width: 480px) { .bonus-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 992px) { .bonus-grid { grid-template-columns: repeat(4, 1fr); } }
.bonus-card {
  background: var(--color-card);
  border-radius: var(--radius-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.bonus-card__media {
  background: var(--color-bg-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
}
.bonus-card__media img { width: 100%; height: auto; max-height: 190px; object-fit: contain; }
.bonus-card__body { padding: var(--space-card-pad); display: flex; flex-direction: column; gap: 10px; flex: 1; }
.bonus-card__title { color: var(--color-heading); font-size: var(--fs-h3); font-weight: var(--fw-700); }
.bonus-card__body p { color: var(--color-text); flex: 1; }
.bonus-card__body .btn { margin-top: 6px; }

/* ---- Home characteristics table heading ---- */
.characteristics { margin-block: var(--space-para) var(--space-section); }
.characteristics h2 { margin-bottom: var(--space-h2-text); }

/* App page download buttons row */
.download-row { display: flex; flex-wrap: wrap; gap: 16px; margin-block: var(--space-para) var(--space-section); }
.download-row .btn { flex: 1 1 220px; }

/* ---- 404 ---- */
.error-page { text-align: center; padding-block: clamp(60px, 12vw, 140px); display: flex; flex-direction: column; align-items: center; gap: 18px; }
.error-page__code { font-size: clamp(90px, 20vw, 180px); font-weight: var(--fw-800); color: var(--color-heading); line-height: 1; }
.error-page__title { color: var(--color-white); }
.error-page__text { color: var(--color-text); max-width: 52ch; }
.error-page .btn { margin-top: 10px; }

/* ---- Platform block spacing (app page) ---- */
.platform-block { margin-block: var(--space-para) var(--space-section); }
.platform-card .data-table-wrap { margin-block: 8px 0; }

.section-cta--final { text-align: center; margin-block: var(--space-section); }

/* ---- Contextual in-text links ---- */
.content-section p .ilink,
.page-intro p .ilink,
.ilink {
  color: var(--color-heading);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  font-weight: var(--fw-600);
  transition: color var(--transition);
}
.ilink:hover { color: var(--color-neon); }