/*
 * Academic documents (timetable, calendar) — Design System
 * Follows ug-studies / mtech-studies Figma tokens.
 * Scoped under .figma-academic-docs with fad-* prefix.
 */

.figma-academic-docs {
  --fad-brand: #a70e13;
  --fad-ink: #222222;
  --fad-secondary: #434343;
  --fad-tertiary: #656565;
  --fad-stroke: #bbbbbb;
  --fad-stroke-dark: #989898;
  --fad-section-bg: #efefef;
  --fad-light-section: #f4f4f4;
  --fad-white: #ffffff;

  --fad-gap-section: 80px;
  --fad-gap-extra: 40px;
  --fad-gap-lg: 24px;
  --fad-gap-ml: 20px;
  --fad-gap-md: 12px;
  --fad-gap-sm: 8px;
  --fad-gap-xs: 4px;

  --fad-pad-card: 30px;
  --fad-pad-inline: var(--iitd-pad-page, 80px);
  --fad-content-max: min(1280px, 100%);

  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  gap: var(--fad-gap-section);
  width: 100%;
  margin: 0;
  padding: var(--fad-gap-section) var(--fad-pad-inline) 0;
  margin-bottom: var(--fad-gap-section);
  color: var(--fad-ink);
  font-family: "Titillium Web", sans-serif;
  font-size: 16px;
  line-height: 1.45;
  background: var(--fad-white);
}

.figma-academic-docs *,
.figma-academic-docs *::before,
.figma-academic-docs *::after {
  box-sizing: border-box;
}

.figma-academic-docs a {
  color: var(--fad-brand);
}

.figma-academic-docs .fad-page-inner {
  width: 100%;
  max-width: var(--fad-content-max);
  margin: 0 auto;
}

/* ---------- Hero ---------- */

.figma-academic-docs .fad-top {
  padding: 0;
}

.figma-academic-docs .fad-hero-stack {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--fad-gap-extra);
  width: 100%;
}

.figma-academic-docs .fad-bc {
  margin: 0;
  padding: 0;
  width: 100%;
}

.figma-academic-docs .fad-bc-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--fad-gap-md);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.35;
}

.figma-academic-docs .fad-bc-item {
  display: inline-flex;
  align-items: center;
}

.figma-academic-docs .fad-bc-link {
  color: var(--fad-stroke);
  text-decoration: none;
  font-weight: 600;
}

.figma-academic-docs .fad-bc-link:hover,
.figma-academic-docs .fad-bc-link:focus-visible {
  color: var(--fad-brand);
  text-decoration: underline;
  outline: none;
}

.figma-academic-docs .fad-bc-current {
  color: var(--fad-ink);
  font-weight: 600;
}

.figma-academic-docs .fad-bc-sep {
  color: var(--fad-stroke);
  font-weight: 400;
  user-select: none;
}

.figma-academic-docs .fad-hero-main {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--fad-gap-lg);
  width: 100%;
}

.figma-academic-docs .fad-title {
  margin: 0;
  font-size: 40px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--fad-ink);
}

.figma-academic-docs .fad-lede {
  margin: 0;
  max-width: 720px;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--fad-secondary);
}

/* ---------- Sections ---------- */

.figma-academic-docs .fad-block {
  margin: 0;
  padding: 0;
}

.figma-academic-docs .fad-block--muted {
  position: relative;
  padding: var(--fad-gap-section) var(--fad-pad-inline);
  margin-left: calc(-1 * var(--fad-pad-inline));
  margin-right: calc(-1 * var(--fad-pad-inline));
  background: var(--fad-section-bg);
}

.figma-academic-docs .fad-section-head {
  margin: 0 0 var(--fad-gap-lg);
  display: flex;
  flex-direction: column;
  gap: var(--fad-gap-sm);
}

.figma-academic-docs .fad-kicker {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fad-brand);
}

.figma-academic-docs .fad-section-title {
  margin: 0;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.15;
  color: var(--fad-ink);
}

/* ---------- Download list ---------- */

.figma-academic-docs .fad-download-panel {
  border: 1px solid var(--fad-stroke);
  background: var(--fad-white);
}

.figma-academic-docs .fad-download-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.figma-academic-docs .fad-download-item + .fad-download-item {
  border-top: 1px solid var(--fad-stroke);
}

.figma-academic-docs .fad-download-link {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: var(--fad-gap-lg);
  width: 100%;
  padding: var(--fad-pad-card);
  text-decoration: none;
  color: inherit;
  transition: background 0.18s ease;
}

.figma-academic-docs .fad-download-link:hover,
.figma-academic-docs .fad-download-link:focus-visible {
  background: rgba(167, 14, 19, 0.04);
  outline: none;
}

.figma-academic-docs .fad-download-main {
  display: flex;
  flex-direction: column;
  gap: var(--fad-gap-xs);
  min-width: 0;
}

.figma-academic-docs .fad-download-title {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--fad-ink);
}

.figma-academic-docs .fad-download-link:hover .fad-download-title,
.figma-academic-docs .fad-download-link:focus-visible .fad-download-title {
  color: var(--fad-brand);
}

.figma-academic-docs .fad-download-meta {
  font-size: 14px;
  line-height: 1.4;
  color: var(--fad-tertiary);
}

.figma-academic-docs .fad-download-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--fad-stroke-dark);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fad-secondary);
  white-space: nowrap;
}

.figma-academic-docs .fad-download-arrow {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  color: var(--fad-ink);
  transition: transform 0.18s ease, color 0.18s ease;
}

.figma-academic-docs .fad-download-link:hover .fad-download-arrow,
.figma-academic-docs .fad-download-link:focus-visible .fad-download-arrow {
  color: var(--fad-brand);
  transform: translate(3px, -3px);
}

.figma-academic-docs .fad-download-arrow .iitd-icon {
  width: 24px;
  height: 24px;
}

/* ---------- Responsive ---------- */

@media (max-width: 991.98px) {
  .figma-academic-docs {
    --fad-pad-inline: var(--iitd-pad-page, 24px);
    --fad-gap-section: 60px;
    gap: 60px;
  }

  .figma-academic-docs .fad-block--muted {
    padding-top: 60px;
    padding-bottom: 60px;
  }

  .figma-academic-docs .fad-title {
    font-size: 32px;
  }

  .figma-academic-docs .fad-section-title {
    font-size: 24px;
  }
}

@media (min-width: 768px) and (max-width: 991.98px) {
  .figma-academic-docs {
    --fad-pad-inline: var(--iitd-pad-page, 40px);
  }
}

@media (max-width: 767.98px) {
  .figma-academic-docs {
    --fad-gap-section: 40px;
    --fad-pad-inline: 20px;
    gap: 40px;
  }

  .figma-academic-docs .fad-block--muted {
    padding-top: 40px;
    padding-bottom: 40px;
  }

  .figma-academic-docs .fad-bc-list {
    font-size: 12px;
    gap: var(--fad-gap-sm);
  }

  .figma-academic-docs .fad-title {
    font-size: 24px;
  }

  .figma-academic-docs .fad-section-title {
    font-size: 20px;
  }

  .figma-academic-docs .fad-download-link {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--fad-gap-md);
    padding: var(--fad-gap-ml);
  }

  .figma-academic-docs .fad-download-badge {
    grid-column: 2;
    grid-row: 1;
  }

  .figma-academic-docs .fad-download-arrow {
    grid-column: 2;
    grid-row: 2;
    justify-self: end;
  }

  .figma-academic-docs .fad-download-title {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .figma-academic-docs .fad-download-link,
  .figma-academic-docs .fad-download-arrow {
    transition: none;
  }
}