/* ---------- Home (blueprint sheet) — usa la paleta de variables.css ---------- */

.home-display {
  font-family: "Space Grotesk", var(--font-body);
}

.home-mono {
  font-family: "IBM Plex Mono", var(--font-mono);
}

/* ---------- corner registration marks ---------- */
.reg-mark {
  position: absolute;
  width: 22px;
  height: 22px;
  pointer-events: none;
}
.reg-mark::before,
.reg-mark::after {
  content: "";
  position: absolute;
  background: rgba(191, 220, 239, 0.35);
}
.reg-mark::before {
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
  transform: translateY(-50%);
}
.reg-mark::after {
  left: 50%;
  top: 0;
  height: 100%;
  width: 1px;
  transform: translateX(-50%);
}
.reg-mark.tl {
  top: 14px;
  left: 14px;
}
.reg-mark.tr {
  top: 14px;
  right: 14px;
}

/* ---------- HERO (blueprint sheet) ---------- */
.home-sheet {
  --bg: var(--blueprint);
  --surface: var(--blueprint);
  --surface-2: var(--blueprint-deep);
  --text: var(--line);
  --text-muted: var(--line-muted);
  --border: var(--line-dim);

  position: relative;
  background: linear-gradient(rgba(191, 220, 239, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(191, 220, 239, 0.08) 1px, transparent 1px),
    linear-gradient(135deg, var(--surface), var(--bg));
  background-size: 32px 32px, 32px 32px, cover;
  color: var(--text);
  padding: 48px 24px 40px;
  overflow: hidden;
}

.home-sheet-inner {
  max-width: 1040px;
  margin: 0 auto;
  position: relative;
}

.home-nav {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 56px;
  font-size: 14px;
}

.home-nav .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
}

.brand-mark {
  width: 28px;
  height: 28px;
  border: 1px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: var(--accent);
  flex-shrink: 0;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 22px;
}

.share-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 13.5px;
  font-family: inherit;
  cursor: pointer;
  padding: 0;
  transition: color var(--transition);
}
.share-btn:hover,
.share-btn.copied {
  color: var(--accent);
}

.home-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 22px;
}
.home-eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--accent);
}

h1.hero-title {
  font-size: clamp(34px, 5.5vw, 58px);
  line-height: 1.05;
  margin: 0 0 18px;
  font-weight: 600;
  max-width: 15ch;
  color: var(--text);
}

.hero-sub {
  max-width: 56ch;
  font-size: 16.5px;
  color: var(--line-soft);
  line-height: 1.6;
  margin: 0 0 40px;
}

/* title block, como un plano arquitectónico */
.title-block {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--border);
  margin-top: 36px;
}
.title-block div {
  padding: 14px 18px;
  border-right: 1px solid var(--border);
}
.title-block div:last-child {
  border-right: none;
}
.tb-label {
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 5px;
}
.tb-value {
  font-size: 13.5px;
  color: var(--text);
}
@media (max-width: 720px) {
  .title-block {
    grid-template-columns: repeat(2, 1fr);
  }
  .title-block div:nth-child(2) {
    border-right: none;
  }
}

/* ---------- PRESENTACIÓN (foto, nombre, cargo, contacto) ---------- */
.presenta {
  max-width: 1040px;
  margin: 0 auto;
  padding: 22px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--border);
}
.presenta-avatar {
  width: 150px;
  height: 150px;
  flex-shrink: 0;
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: rgba(226, 166, 59, 0.12);
}
.presenta-who {
  flex-grow: 1;
  min-width: 220px;
}
.presenta-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 2px;
}
.presenta-role {
  font-size: 13px;
  color: var(--text-muted);
}
.presenta-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 10px;
}
.presenta-links a {
  font-size: 13px;
  color: var(--text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.presenta-links a:hover {
  color: var(--accent);
  border-color: var(--accent);
}
.presenta-more {
  font-size: 13px;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
  margin-left: auto;
  border-bottom: 1px solid var(--accent);
  transition: color var(--transition);
}
.presenta-more:hover {
  color: var(--accent);
}
.presenta-contact .icon {
  flex-shrink: 0;
}

/* ---------- COURSES (index of sheets) ---------- */
.home-courses {
  max-width: 1040px;
  margin: 0 auto;
  padding: 16px 24px 90px;
}
.courses-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 16px;
}
.courses-head h2 {
  font-size: 22px;
  margin: 0;
  font-weight: 600;
  color: var(--text);
}
.courses-head span {
  font-size: 12.5px;
  color: var(--text-muted);
}

.home-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
@media (max-width: 720px) {
  .home-grid {
    grid-template-columns: 1fr;
  }
}

.home-card {
  background: linear-gradient(160deg, var(--surface) 0%, var(--surface-2) 100%);
  padding: 28px 26px 24px;
  position: relative;
  transition: background var(--transition);
  display: flex;
  flex-direction: column;
  min-height: 190px;
}
.home-card:hover {
  background: linear-gradient(160deg, var(--surface-2) 0%, var(--surface) 100%);
}
.card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 18px;
  flex-wrap: wrap;
  gap: 8px 12px;
}
.card-top-left {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.sheet-no {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}
.lang-badge {
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 8px;
  border: 1px solid currentColor;
  color: var(--text-muted);
}
.home-status {
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 8px;
  border: 1px solid currentColor;
}
.home-status.live {
  color: var(--green-live);
}
.home-status.soon {
  color: var(--text-muted);
  border-style: dashed;
}

.home-card h3 {
  font-size: 19px;
  margin: 0 0 8px;
  font-weight: 600;
  color: var(--text);
}
.home-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.55;
  margin: 0 0 auto;
  flex-grow: 1;
}
.home-card .go {
  margin-top: 20px;
  font-size: 13.5px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
}
.home-card .go svg {
  transition: transform 0.2s ease;
}
.home-card:hover .go svg {
  transform: translateX(3px);
}
.home-card.disabled .go {
  color: var(--text-muted);
  pointer-events: none;
}

/* corner ticks en cada tarjeta */
.home-card::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 10px;
  width: 9px;
  height: 9px;
  border-top: 1px solid rgba(226, 166, 59, 0.35);
  border-left: 1px solid rgba(226, 166, 59, 0.35);
}
.home-card:hover::before {
  border-color: var(--accent);
}

.home-footer {
  --bg: var(--blueprint-deep);
  --text: var(--line);
  --text-muted: var(--line-muted);
  --border: var(--line-dim);

  background: var(--bg);
  color: var(--text-muted);
  padding: 34px 24px;
  font-size: 12.5px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  border-top: 1px solid var(--border);
}
.home-footer strong {
  color: var(--text);
}