/* ============================================
   COMPONENTS — Cards, Buttons, Tags, etc.
   Glassmorphism, micro-interactions,
   container queries
   ============================================ */

/* --- Glass Card --- */
.card {
  position: relative;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 8px 30px rgba(0,0,0,0), 0 0 40px rgba(0,0,0,0);
  transition: transform 800ms cubic-bezier(0.25, 1, 0.5, 1),
              border-color 800ms ease,
              box-shadow 800ms ease,
              background 800ms ease;
  container-type: inline-size;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(
    135deg,
    rgba(255,255,255,0.06) 0%,
    transparent 50%,
    transparent 100%
  );
  opacity: 0;
  transition: opacity 800ms ease;
  pointer-events: none;
}

.card:hover {
  transform: translateY(-3px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  background: var(--bg-glass-hover);
}


.card:hover::before {
  opacity: 1;
}

/* Hero bento grid cards: match coffee card dark style */
.grid-hero__right .card {
  background: var(--code-bg);
  border-color: var(--border);
  box-shadow: 0 8px 30px rgba(0,0,0,0), 0 0 40px rgba(0,0,0,0);
  transition: transform 500ms cubic-bezier(0.25, 1, 0.5, 1),
              border-color 600ms ease,
              box-shadow 600ms ease,
              background 500ms ease;
}

.grid-hero__right .card:hover {
  background: var(--code-bg);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

/* --- Stack Icons --- */
.stack-icons {
  display: flex;
  gap: clamp(0.5rem, 2vw, 1.2rem);
  align-items: center;
  flex: 1;
}

.stack-icons--grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: clamp(0.2rem, 0.8vw, 0.4rem);
}

.stack-icon {
  flex: 1;
  aspect-ratio: 1;
  max-width: 36px;
  opacity: 0.7;
  transition: opacity 400ms ease, transform 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.stack-icons--grid .stack-icon {
  max-width: 32px;
  width: 100%;
}

.stack-icon:hover {
  opacity: 1;
  transform: scale(1.2);
}

.stack-icon svg {
  width: 100%;
  height: 100%;
}

/* Card with image */
.card--project {
  padding: 0;
  overflow: hidden;
}

.card--project .card__image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-bottom: 1px solid var(--border);
}

.card--project .card__body {
  padding: var(--space-lg);
}

/* Container query: compact card */
@container (max-width: 300px) {
  .card__title {
    font-size: var(--text-base) !important;
  }
  .card__description {
    display: none;
  }
}

.card__eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--letter-spacing-wider);
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-xs);
}

.card__title {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 700;
  line-height: var(--line-height-snug);
  margin-bottom: var(--space-xs);
}

.card__description {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: var(--line-height-relaxed);
}

.card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  color: var(--text-tertiary);
  font-size: var(--text-xs);
}

.card__tags {
  display: flex;
  flex-wrap: nowrap;
  overflow: hidden;
  gap: var(--space-2xs);
  margin-top: var(--space-md);
}

/* Card hover arrow indicator */
.card__arrow {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-full);
  background: var(--accent-subtle);
  color: var(--accent);
  opacity: 0;
  transform: translate(-6px, 6px);
  transition: opacity 700ms cubic-bezier(0.22, 1, 0.36, 1),
              transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
}

.card__arrow svg {
  width: 14px;
  height: 14px;
}

.card:hover .card__arrow {
  opacity: 1;
  transform: translate(0, 0);
}

/* --- Button --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: var(--letter-spacing-wide);
  border-radius: var(--radius-full);
  transition: transform 600ms cubic-bezier(0.22, 1, 0.36, 1),
              background 600ms cubic-bezier(0.22, 1, 0.36, 1),
              box-shadow 600ms cubic-bezier(0.22, 1, 0.36, 1),
              border-color 600ms cubic-bezier(0.22, 1, 0.36, 1),
              color 500ms ease;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--accent);
  color: white;
  box-shadow: 0 2px 10px var(--accent-glow);
}

.btn--primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 4px 20px var(--accent-glow);
  transform: translateY(-2px);
}

.btn--primary:active {
  transform: translateY(0);
}

/* Shimmer effect on primary button */
.btn--primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 40%,
    rgba(255,255,255,0.2) 45%,
    rgba(255,255,255,0.2) 55%,
    transparent 60%
  );
  background-size: 200% 100%;
  animation: shimmer 3s infinite;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.btn--ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn--ghost:hover {
  background: var(--accent-subtle);
  border-color: var(--border-accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn--sm {
  padding: var(--space-2xs) var(--space-sm);
  font-size: var(--text-xs);
}

/* --- Tag / Chip --- */
.tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2xs) var(--space-sm);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-subtle);
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  transition: border-color 600ms cubic-bezier(0.22, 1, 0.36, 1),
              background 600ms cubic-bezier(0.22, 1, 0.36, 1),
              color 600ms cubic-bezier(0.22, 1, 0.36, 1);
  cursor: default;
}

.tag:hover {
  border-color: var(--border-accent);
  background: var(--accent-glow);
}

.tag--clickable {
  cursor: pointer;
}

/* --- Section Header --- */
.section-header {
  margin-bottom: var(--space-2xl);
}

.section-header__eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--letter-spacing-wider);
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-xs);
}

.section-header__title {
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  font-weight: 800;
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
}

.section-header__subtitle {
  color: var(--text-secondary);
  font-size: var(--text-lg);
  margin-top: var(--space-sm);
  max-width: 36rem;
}

/* --- Divider --- */
.divider {
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--border) 20%,
    var(--border) 80%,
    transparent
  );
  margin: var(--space-3xl) 0;
}

/* --- Grid Layouts --- */
.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid--2 {
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 22rem), 1fr));
}

.grid--3 {
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 18rem), 1fr));
}

/* Bento-style grid */
.grid--bento {
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: minmax(200px, auto);
}

.grid--bento .card:nth-child(1) {
  grid-column: span 2;
  grid-row: span 2;
}

.grid--bento .card:nth-child(4) {
  grid-column: span 2;
}

/* --- Stat Counter --- */
.stat {
  text-align: center;
}

.stat__number {
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.stat__label {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
  margin-top: var(--space-2xs);
}

/* --- Tooltip --- */
[data-tooltip] {
  position: relative;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
  padding: var(--space-2xs) var(--space-xs);
  font-size: var(--text-xs);
  white-space: nowrap;
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast),
              transform var(--transition-fast);
}

[data-tooltip]:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(-8px);
}

/* --- Empty State --- */
.empty-state {
  text-align: center;
  padding: var(--space-3xl) var(--space-lg);
  color: var(--text-tertiary);
}

.empty-state__icon {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-md);
  opacity: 0.5;
}

.empty-state__text {
  font-size: var(--text-lg);
}

/* --- Nav Pill (inline homepage nav links) --- */
.nav-pill {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  color: var(--text-tertiary);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: color 600ms cubic-bezier(0.22, 1, 0.36, 1),
              border-color 600ms cubic-bezier(0.22, 1, 0.36, 1),
              background 600ms cubic-bezier(0.22, 1, 0.36, 1);
}

.nav-pill:hover {
  color: var(--accent);
  border-color: var(--border-accent);
  background: var(--accent-subtle);
}

/* --- Page Nav (sub-page top bar) --- */
.page-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--border);
}

.page-nav__back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.page-nav__back:hover {
  color: var(--accent);
}

.page-nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.page-nav__link {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  color: var(--text-tertiary);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  transition: color 350ms ease,
              background 350ms ease;
}

.page-nav__link:hover {
  color: var(--accent);
  background: var(--accent-subtle);
}

/* --- Theme Toggle (standalone) --- */
.theme-toggle {
  position: relative;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-full);
  transition: background var(--transition-fast);
  flex-shrink: 0;
}

.theme-toggle:hover {
  background: var(--accent-subtle);
}

.theme-toggle svg {
  width: 16px;
  height: 16px;
  position: absolute;
  transition: transform 500ms cubic-bezier(0.34, 1.56, 0.64, 1),
              opacity 300ms ease;
}

[data-theme="dark"] .theme-toggle__sun {
  transform: rotate(0deg) scale(1);
  opacity: 1;
}
[data-theme="dark"] .theme-toggle__moon {
  transform: rotate(90deg) scale(0);
  opacity: 0;
}
[data-theme="light"] .theme-toggle__sun {
  transform: rotate(-90deg) scale(0);
  opacity: 0;
}
[data-theme="light"] .theme-toggle__moon {
  transform: rotate(0deg) scale(1);
  opacity: 1;
}

/* --- Mono Label (industrial section labels) --- */
.mono-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

/* --- Accent Bar (section underline) --- */
.accent-bar {
  height: 3px;
  width: 60px;
  background: linear-gradient(90deg, var(--accent), var(--purple));
  border-radius: 2px;
  margin-top: var(--space-sm);
}

/* --- Badge (status pills) --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

.badge--accent {
  background: var(--accent-subtle);
  border-color: var(--border-accent);
  color: var(--accent);
}

.badge--status .badge__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #22c55e;
  display: inline-block;
}

/* --- Hero Title --- */
.hero__title {
  font-family: var(--font-serif);
  font-size: var(--text-hero);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.04em;
}

/* --- About Grid --- */
.grid-about {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
}

.grid-about__bio {
  grid-column: span 3;
}

.grid-about__facts {
  grid-column: span 1;
}