/* ===========================
   COMPONENTS — TYPESET
=========================== */

/* ---- THEME BUTTON ---- */
.theme-btn {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--color-text-muted);
  transition: color var(--transition-fast), transform var(--transition-fast);
  padding: var(--sp-1) var(--sp-2);
  border: var(--border-width) solid transparent;
}

.theme-btn:hover {
  color: var(--color-text);
  border-color: var(--color-border);
}

.theme-btn:active {
  transform: scale(0.9);
}

/* ---- SEARCH ---- */
.nav-search {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  border: var(--border-width) solid transparent;
  transition: border-color var(--transition-fast);
}

.nav-search:focus-within {
  border-color: var(--color-border);
}

.search-field {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  background: transparent;
  color: var(--color-text);
  width: 0;
  transition: width var(--transition-base);
  padding: var(--sp-1) 0;
}

.search-field::placeholder {
  color: var(--color-text-faint);
}

.nav-search:focus-within .search-field,
.search-field:focus {
  width: 160px;
}

.search-icon {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.nav-search:focus-within .search-icon {
  color: var(--color-accent);
}

/* ---- READ BUTTON ---- */
.btn-read {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text);
  border: var(--border-width) solid var(--color-border);
  padding: var(--sp-3) var(--sp-6);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.btn-read:hover {
  background-color: var(--color-text);
  color: var(--color-bg);
}

.btn-read .arrow {
  transition: transform var(--transition-fast);
}

.btn-read:hover .arrow {
  transform: translateX(4px);
}

/* ---- CARDS ---- */
.card {
  border-right: var(--border-width) solid var(--color-border);
  border-bottom: var(--border-width) solid var(--color-border);
  transition: background-color var(--transition-fast);
  container-type: inline-size;
}

.card.hidden {
  display: none;
}

.card-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
}

.card:hover {
  background-color: var(--color-surface);
}

/* Card sizes via grid span */
.card--large {
  grid-column: span 7;
}

.card--medium {
  grid-column: span 5;
}

.card--small {
  grid-column: span 3;
}

.card--featured {
  grid-column: span 6;
}

/* Make sure 2 smalls fill remaining columns */
.card--small:nth-of-type(3),
.card--small:nth-of-type(4) {
  grid-column: span 3;
}

.card-index {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--color-text-faint);
  padding: var(--sp-3) var(--sp-4);
  border-bottom: var(--border-width) solid var(--color-border);
}

/* ---- CARD VISUALS ---- */
.card-visual {
  width: 100%;
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-bottom: var(--border-width) solid var(--color-border);
  transition: background-color var(--transition-slow);
}

.card-visual-text {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8cqi, 9rem);
  line-height: 1;
  user-select: none;
  transition: transform var(--transition-base), color var(--transition-slow);
}

.card:hover .card-visual-text {
  transform: scale(1.05);
}

/* Striped */
.card-visual--striped {
  background-color: var(--visual-striped-bg);
  background-image: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 10px,
    rgba(255,255,255,0.04) 10px,
    rgba(255,255,255,0.04) 20px
  );
}
.card-visual--striped .card-visual-text {
  color: var(--visual-striped-text);
}

/* Grid */
.card-visual--grid {
  background-color: var(--visual-grid-bg);
  background-image:
    linear-gradient(rgba(0,0,0,0.15) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.15) 1px, transparent 1px);
  background-size: 24px 24px;
}
.card-visual--grid .card-visual-text {
  color: var(--visual-grid-text);
}

/* Bold */
.card-visual--bold {
  background-color: var(--visual-bold-bg);
  border: 3px solid var(--color-border);
}
.card-visual--bold .card-visual-text {
  color: var(--visual-bold-text);
  font-size: clamp(4rem, 12cqi, 14rem);
}
.variable-demo {
  font-family: var(--font-serif);
  font-weight: 900;
  font-style: italic;
}

/* Dots */
.card-visual--dots {
  background-color: var(--visual-dots-bg);
  background-image: radial-gradient(var(--color-border) 1px, transparent 1px);
  background-size: 16px 16px;
}
.card-visual--dots .card-visual-text {
  color: var(--visual-dots-text);
  font-size: clamp(1.5rem, 5cqi, 5rem);
  letter-spacing: 0.05em;
}

/* ---- CARD CONTENT ---- */
.card-content {
  padding: var(--sp-4) var(--sp-6) var(--sp-6);
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: var(--sp-3);
}

.card-tag {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.card-title {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 2cqi, 1.5rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.card:hover .card-title {
  color: var(--color-accent);
}

.card-excerpt {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.65;
  color: var(--color-text-muted);
  flex: 1;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
  padding-top: var(--sp-3);
  border-top: var(--border-width) solid var(--color-border);
  margin-top: auto;
}

/* ---- FEATURED ITEMS ---- */
.featured-item {
  border-right: var(--border-width) solid var(--color-border);
  transition: background-color var(--transition-fast);
}

.featured-item:last-child {
  border-right: none;
}

.featured-item:hover {
  background-color: var(--color-surface);
}

.featured-item a {
  display: grid;
  grid-template-areas:
    "num tag arrow"
    "title title title";
  grid-template-columns: auto 1fr auto;
  gap: var(--sp-2) var(--sp-4);
  padding: var(--sp-6);
  height: 100%;
  align-content: start;
}

.featured-num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--color-text-faint);
  align-self: center;
}

.featured-tag {
  grid-area: tag;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  align-self: center;
}

.featured-arrow {
  grid-area: arrow;
  font-size: 1rem;
  color: var(--color-text-muted);
  transition: transform var(--transition-fast), color var(--transition-fast);
  align-self: center;
}

.featured-item:hover .featured-arrow {
  transform: translate(3px, -3px);
  color: var(--color-text);
}

.featured-title {
  grid-area: title;
  font-family: var(--font-serif);
  font-size: clamp(0.85rem, 1.2vw, 1.1rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
  margin-top: var(--sp-3);
  transition: color var(--transition-fast);
}

.featured-item:hover .featured-title {
  color: var(--color-accent);
}

/* ---- FOOTER COMPONENTS ---- */
.footer-title {
  font-family: var(--font-display);
  font-size: 3rem;
  letter-spacing: 0.2em;
  display: block;
  margin-bottom: var(--sp-4);
}

.footer-desc {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  max-width: 380px;
}

.footer-links {
  display: flex;
  gap: var(--sp-12);
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--sp-2);
}

.footer-col a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--color-accent);
}

/* ---- ARTICLE PAGE ---- */
.article-header {
  border-bottom: var(--border-width) solid var(--color-border);
  padding: var(--sp-12) var(--gutter);
  max-width: var(--max-width);
  margin: 0 auto;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--sp-8);
}

.article-meta-tag {
  color: var(--color-accent);
}

.article-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 4.5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.02em;
  max-width: 900px;
  margin-bottom: var(--sp-6);
}

.article-lead {
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  max-width: 680px;
  margin-bottom: var(--sp-8);
}

.article-body {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--sp-12) var(--gutter);
}

.article-body h2 {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 700;
  margin: var(--sp-12) 0 var(--sp-4);
  letter-spacing: -0.01em;
}

.article-body p {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--color-text-muted);
  margin-bottom: var(--sp-6);
}

.article-body blockquote {
  border-left: 4px solid var(--color-accent);
  padding: var(--sp-4) var(--sp-6);
  margin: var(--sp-8) 0;
  background-color: var(--color-surface);
}

.article-body blockquote p {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-style: italic;
  color: var(--color-text);
}

.article-back {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: var(--sp-4) var(--gutter);
  border-bottom: var(--border-width) solid var(--color-border);
  width: 100%;
  transition: color var(--transition-fast);
}

.article-back:hover {
  color: var(--color-text);
}