/* ============================================================
   PS5 PORTFOLIO — COMPONENTS
   Navigation, cards, theme switcher, layout, utilities
   ============================================================ */

/* ── Body gradient ── */
body {
  background: var(--bg-gradient);
}

/* Suppress flash during theme transition */
body.theme-transitioning * {
  transition: none !important;
}

/* ============================================================
   LAYOUT
   ============================================================ */

.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.container--wide {
  max-width: 1440px;
}

.container--narrow {
  max-width: 800px;
}

/* ============================================================
   NAVIGATION — PS5 top bar
   ============================================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  height: 64px;
  display: flex;
  align-items: center;
  padding-inline: var(--space-8);
  background: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  gap: var(--space-6);
}

.nav__logo {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 500;
  letter-spacing: var(--tracking-tight);
  color: var(--color-text);
  white-space: nowrap;
}

.nav__logo span {
  color: var(--color-accent);
}

.nav__links {
  display: flex;
  gap: var(--space-2);
  margin-left: auto;
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  transition: color 200ms ease, background 200ms ease;
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-text);
  background: var(--color-surface-raised);
}

/* ============================================================
   THEME SWITCHER
   ============================================================ */

.theme-switcher {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 3px;
}

.theme-switcher__btn {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-faint);
  transition: background 200ms ease, color 200ms ease, box-shadow 200ms ease;
  position: relative;
}

.theme-switcher__btn:hover {
  color: var(--color-text);
  background: var(--color-surface-raised);
}

.theme-switcher__btn.active {
  background: var(--color-accent);
  color: white;
  box-shadow: 0 0 12px var(--color-accent-glow);
}

.theme-switcher__btn svg {
  width: 14px;
  height: 14px;
}

/* ── Swatch dots variant ── */
.theme-swatch {
  width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  transition: border-color 200ms ease, transform 200ms ease;
  cursor: pointer;
}

.theme-swatch[data-theme-value="dark"]  { background: #1a1d2e; }
.theme-swatch[data-theme-value="light"] { background: #f0f2f8; border-color: var(--color-border); }
.theme-swatch[data-theme-value="green"] { background: #1a2e1d; }

.theme-swatch.active {
  border-color: var(--color-accent);
  transform: scale(1.2);
}

/* ============================================================
   HERO SECTION
   ============================================================ */

.hero {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding-top: 64px;
  padding-inline: var(--space-8);
  position: relative;
  overflow: hidden;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero__label {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-accent);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.hero__title {
  font-size: clamp(var(--text-4xl), 6vw, var(--text-6xl));
  font-weight: 700;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text);
  margin-bottom: var(--space-6);
}

.hero__title .accent {
  color: var(--color-accent);
}

.hero__subtitle {
  font-size: var(--text-xl);
  color: var(--color-text-muted);
  line-height: var(--leading-loose);
  margin-bottom: var(--space-10);
  max-width: 560px;
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ── Avatar / profile image ── */
.hero__avatar {
  width: 180px;
  height: 180px;
  border-radius: var(--radius-full);
  object-fit: cover;
  animation: pulseGlow 3s ease-in-out infinite;
  flex-shrink: 0;
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  transition: background 200ms ease, box-shadow 200ms ease, transform 150ms ease;
  cursor: pointer;
  border: none;
}

.btn:active {
  animation: pressDown 0.2s ease;
}

.btn--primary {
  background: var(--color-accent);
  color: white;
}

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

.btn--secondary {
  background: var(--color-surface-raised);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn--secondary:hover {
  background: var(--color-surface-overlay);
  transform: translateY(-2px);
}

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

.btn--ghost:hover {
  background: var(--color-accent-subtle);
  box-shadow: var(--shadow-accent);
}

.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

/* ============================================================
   SECTION HEADERS
   ============================================================ */

.section {
  padding-block: var(--space-20);
}

.section__header {
  margin-bottom: var(--space-12);
}

.section__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-accent);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.section__title {
  font-size: var(--text-3xl);
  font-weight: 700;
  letter-spacing: var(--tracking-tight);
  color: var(--color-text);
  line-height: var(--leading-tight);
}

.section__title .accent {
  color: var(--color-accent);
}

/* ============================================================
   PROJECT CARDS — PS5 game cover style
   ============================================================ */

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-6);
}

.project-card {
  background: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: transform 300ms var(--ease-smooth), box-shadow 300ms ease;
  cursor: pointer;
  position: relative;
}

.project-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-lg), var(--shadow-accent);
}

.project-card:hover .project-card__overlay {
  opacity: 1;
}

.project-card__cover {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--color-surface-raised);
  object-fit: cover;
}

.project-card__cover--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-4xl);
  color: var(--color-text-faint);
  background: linear-gradient(135deg, var(--color-surface), var(--color-surface-raised));
}

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 300ms ease;
  display: flex;
  align-items: flex-end;
  padding: var(--space-4);
}

.project-card__body {
  padding: var(--space-5);
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.project-card__title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
  line-height: var(--leading-tight);
}

.project-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-normal);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.project-card__footer {
  padding: var(--space-3) var(--space-5);
  border-top: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* ── Selected / focused card (keyboard nav) ── */
.project-card--selected {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  animation: selectedRing 2s ease-in-out infinite;
}

/* ============================================================
   TAGS / BADGES
   ============================================================ */

.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 2px var(--space-3);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  border: 1px solid color-mix(in srgb, var(--color-accent) 25%, transparent);
  white-space: nowrap;
}

.tag--secondary {
  background: var(--color-secondary-subtle);
  color: var(--color-secondary);
  border-color: color-mix(in srgb, var(--color-secondary) 25%, transparent);
}

.tag--neutral {
  background: var(--color-surface-raised);
  color: var(--color-text-muted);
  border-color: var(--color-border);
}

/* ============================================================
   TECH ICONS
   ============================================================ */

.tech-icon {
  display: inline-block;
  width: 24px;
  height: 24px;
  vertical-align: middle;
  color: var(--color-text-muted);
  transition: color 200ms ease;
}

.tech-icon:hover {
  color: var(--color-accent);
}

.tech-icon--fallback {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  background: var(--color-surface-raised);
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  line-height: 1;
}

.tech-icons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

/* ============================================================
   DETAIL PANEL (project expanded view)
   ============================================================ */

.detail-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(540px, 90vw);
  background: var(--color-bg-alt);
  border-left: 1px solid var(--color-border);
  z-index: var(--z-modal);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 350ms var(--ease-smooth);
}

.detail-panel.open {
  transform: translateX(0);
  animation: panelSlideIn 350ms var(--ease-smooth) both;
}

.detail-panel__header {
  padding: var(--space-8) var(--space-6) var(--space-6);
  border-bottom: 1px solid var(--color-border-subtle);
  position: sticky;
  top: 0;
  background: var(--color-bg-alt);
  z-index: 1;
}

.detail-panel__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: color 200ms ease, background 200ms ease;
}

.detail-panel__close:hover {
  color: var(--color-text);
  background: var(--color-surface-raised);
}

.detail-panel__body {
  padding: var(--space-6);
}

/* ============================================================
   SKILLS / ABOUT SECTION
   ============================================================ */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--space-4);
}

.skill-chip {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  transition: border-color 200ms ease, box-shadow 200ms ease;
}

.skill-chip:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-accent);
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
  padding-block: var(--space-12);
  border-top: 1px solid var(--color-border-subtle);
  text-align: center;
  color: var(--color-text-faint);
  font-size: var(--text-sm);
}

.footer__links {
  display: flex;
  justify-content: center;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

.footer__link {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  transition: color 200ms ease;
}

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

/* ============================================================
   VIEW CLASS ALIASES (match slim template class names)
   ============================================================ */

/* Theme switcher buttons as used in _theme_switcher.html.slim */
.theme-switcher {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  gap: var(--space-1);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 3px;
  box-shadow: var(--shadow-md);
}

.theme-btn {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-border);
  cursor: pointer;
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
  flex-shrink: 0;
}

.theme-btn:hover {
  transform: scale(1.15);
}

.theme-btn.active,
[data-theme="dark"]  .theme-btn--dark,
[data-theme="light"] .theme-btn--light,
[data-theme="green"] .theme-btn--green {
  border-color: var(--color-accent);
  box-shadow: 0 0 8px var(--color-accent-glow);
  transform: scale(1.15);
}

.theme-btn--dark  { background: #0a0a0f; }
.theme-btn--light { background: #f0f2f8; }
.theme-btn--green { background: #1a2e1d; }

/* Nav bar as used in _nav_bar.html.slim */
.nav-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 52px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-top: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  padding: 0 var(--space-6);
  z-index: var(--z-nav);
  animation: slideUp 0.5s var(--ease-smooth) 0.4s both;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-text-muted);
  white-space: nowrap;
  cursor: pointer;
  transition: color 200ms ease;
}

.nav-item:hover {
  color: var(--color-text);
}

@media (max-width: 480px) {
  .nav-item span:not(.ps-button) { display: none; }
  .nav-bar { gap: var(--space-4); }
}

/* PS controller face button icon (.ps-button X / O / △ / □) */
.ps-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1.5px solid var(--color-border);
  background: var(--color-surface-raised);
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
  flex-shrink: 0;
  user-select: none;
}

/* Color-code by symbol */
.ps-button:has(+ *),
.nav-item:nth-child(1) .ps-button { color: #ff4d6d; border-color: rgba(255,77,109,0.4); }  /* O */
.nav-item:nth-child(2) .ps-button { color: #008cf2; border-color: rgba(0,140,242,0.4); }    /* X */
.nav-item:nth-child(3) .ps-button { color: #00d4aa; border-color: rgba(0,212,170,0.4); }    /* △ */
.nav-item:nth-child(4) .ps-button { color: #ff79c6; border-color: rgba(255,121,198,0.4); }  /* □ */

/* ============================================================
   SCROLLBAR — themed
   ============================================================ */

::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-alt);
}

::-webkit-scrollbar-thumb {
  background: var(--color-surface-overlay);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent);
}

/* ============================================================
   PS CONTROLLER BUTTONS
   X (cross), O (circle), △ (triangle), □ (square) as text icons
   ============================================================ */

.ps-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1.5px solid var(--color-border);
  background: var(--color-surface-raised);
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  user-select: none;
  transition:
    transform 200ms var(--ease-bounce),
    box-shadow 200ms ease,
    background 200ms ease;
  -webkit-tap-highlight-color: transparent;
}

.ps-btn:hover  { transform: scale(1.12); }
.ps-btn:active { transform: scale(0.88); animation: pressDown 150ms ease; }

.ps-btn--sm { width: 24px; height: 24px; font-size: var(--text-xs); }
.ps-btn--lg { width: 44px; height: 44px; font-size: var(--text-base); }

.ps-btn--cross    { color: #008cf2; border-color: rgba(0,140,242,0.4); }
.ps-btn--cross:hover    { background: rgba(0,140,242,0.12); box-shadow: 0 0 10px rgba(0,140,242,0.45); }

.ps-btn--circle   { color: #ff4d6d; border-color: rgba(255,77,109,0.4); }
.ps-btn--circle:hover   { background: rgba(255,77,109,0.12); box-shadow: 0 0 10px rgba(255,77,109,0.45); }

.ps-btn--triangle { color: #00d4aa; border-color: rgba(0,212,170,0.4); }
.ps-btn--triangle:hover { background: rgba(0,212,170,0.12); box-shadow: 0 0 10px rgba(0,212,170,0.45); }

.ps-btn--square   { color: #ff79c6; border-color: rgba(255,121,198,0.4); }
.ps-btn--square:hover   { background: rgba(255,121,198,0.12); box-shadow: 0 0 10px rgba(255,121,198,0.45); }

/* Inline button + label helper */
.ps-btn-group {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.ps-btn-label {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* ============================================================
   BOTTOM FLOATING NAV (glassmorphism island)
   ============================================================ */

.ps-nav-island {
  position: fixed;
  bottom: var(--space-5);
  left: 0;
  right: 0;
  margin-inline: auto;
  width: fit-content;
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-nav);
  animation: slideUp 0.5s var(--ease-smooth) 0.4s both;
  white-space: nowrap;
}

.ps-nav-island__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  cursor: pointer;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  transition: all 300ms ease;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

.ps-nav-island__item:hover,
.ps-nav-island__item:focus-visible {
  color: var(--color-text);
  background: var(--color-accent-subtle);
  outline: none;
}

.ps-nav-island__item.active {
  color: var(--color-accent);
  background: var(--color-accent-subtle);
}

.ps-nav-island__icon {
  font-size: var(--text-base);
  line-height: 1;
}

.ps-nav-island__label {
  font-size: 10px;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
}

@media (max-width: 480px) {
  .ps-nav-island__label { display: none; }
  .ps-nav-island__item  { padding: var(--space-2) var(--space-3); }
}

/* ============================================================
   GLOW / NEON UTILITY CLASSES
   ============================================================ */

.glow-accent {
  box-shadow:
    0 0 16px var(--color-accent-glow),
    0 0 48px color-mix(in srgb, var(--color-accent) 20%, transparent);
}

.glow-secondary {
  box-shadow:
    0 0 16px var(--color-secondary-glow),
    0 0 48px color-mix(in srgb, var(--color-secondary) 20%, transparent);
}

.glow-text-accent {
  text-shadow:
    0 0 12px var(--color-accent-glow),
    0 0 32px color-mix(in srgb, var(--color-accent) 30%, transparent);
}

.glow-text-secondary {
  text-shadow:
    0 0 12px var(--color-secondary-glow),
    0 0 32px color-mix(in srgb, var(--color-secondary) 30%, transparent);
}

.neon-border-accent {
  border: 1px solid var(--color-accent);
  box-shadow:
    0 0 8px var(--color-accent-glow),
    inset 0 0 8px var(--color-accent-subtle);
}

.neon-border-secondary {
  border: 1px solid var(--color-secondary);
  box-shadow:
    0 0 8px var(--color-secondary-glow),
    inset 0 0 8px var(--color-secondary-subtle);
}

.pulse-accent   { animation: pulseGlow 2.5s ease-in-out infinite; }
.animate-float  { animation: float 4s ease-in-out infinite; }

/* ============================================================
   LOADING SPINNER
   ============================================================ */

.spinner {
  display: inline-block;
  width: 32px;
  height: 32px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  flex-shrink: 0;
}

.spinner--sm { width: 20px; height: 20px; border-width: 2px; }
.spinner--lg { width: 48px; height: 48px; border-width: 4px; }
.spinner--secondary { border-top-color: var(--color-secondary); }

/* Full-screen loading overlay */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  z-index: var(--z-modal);
  animation: fadeIn 200ms ease;
}

.loading-overlay__text {
  font-size: var(--text-sm);
  font-weight: 400;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* PS5-style wave loader */
.ps-loader {
  display: flex;
  align-items: center;
  gap: 5px;
  height: 24px;
}

.ps-loader__bar {
  width: 4px;
  height: 100%;
  border-radius: 2px;
  background: var(--color-accent);
  animation: wave 1.2s ease-in-out infinite;
}

.ps-loader__bar:nth-child(2) { animation-delay: 0.1s; }
.ps-loader__bar:nth-child(3) { animation-delay: 0.2s; }
.ps-loader__bar:nth-child(4) { animation-delay: 0.3s; }
.ps-loader__bar:nth-child(5) { animation-delay: 0.4s; }

/* Skeleton shimmer */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-surface) 0px,
    var(--color-surface-raised) 100px,
    var(--color-surface) 200px
  );
  background-size: 400px 100%;
  animation: shimmer 1.4s ease-in-out infinite;
  border-radius: var(--radius-md);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 768px) {
  .nav {
    padding-inline: var(--space-4);
    gap: var(--space-3);
  }

  .nav__links {
    display: none;
  }

  .hero {
    padding-inline: var(--space-4);
    flex-direction: column;
    justify-content: center;
    text-align: center;
  }

  .hero__actions {
    justify-content: center;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .detail-panel {
    width: 100vw;
  }
}

/* ============================================================
   GLASS CARD UTILITY
   Standardized glassmorphism card
   ============================================================ */

.glass-card {
  background: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  position: relative;
}

/* Inner highlight for depth */
.glass-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.04) 0%,
    transparent 50%
  );
  pointer-events: none;
}

/* ── Depth utilities ── */
.depth-1 {
  box-shadow: var(--shadow-sm);
}

.depth-2 {
  box-shadow: var(--shadow-md);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  backdrop-filter: blur(20px) saturate(1.4);
}

.depth-3 {
  box-shadow: var(--shadow-lg);
  -webkit-backdrop-filter: blur(32px) saturate(1.8);
  backdrop-filter: blur(32px) saturate(1.8);
}

/* ── Noise texture overlay for TV atmosphere ── */
.noise-overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.05'/%3E%3C/svg%3E");
  background-size: 128px 128px;
  pointer-events: none;
  mix-blend-mode: overlay;
  opacity: 0.3;
  border-radius: inherit;
  z-index: 0;
}

/* ── Page transition classes ── */
.page-exit {
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 150ms ease, transform 150ms ease;
}

.page-enter {
  animation: pageEnter 300ms var(--ease-smooth) both;
}

@keyframes pageEnter {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}