/* ============================================================
   COMPONENTS.CSS — Cards, Buttons, Badges, Nav, Social Cards
   ZaidAsim.com Premium Portfolio
   ============================================================ */

/* ╔══════════════════════════════════════════════════════════╗
   ║  NAVIGATION                                             ║
   ╚══════════════════════════════════════════════════════════╝ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: var(--z-sticky);
  display: flex;
  align-items: center;
  padding-inline: var(--space-6);
  transition: background var(--duration-normal) var(--ease-smooth),
              border-color var(--duration-normal) var(--ease-smooth),
              backdrop-filter var(--duration-normal) var(--ease-smooth);
}

.nav--scrolled {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container-xl);
  margin-inline: auto;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  z-index: var(--z-raised);
}

.nav__logo-img {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  transition: transform var(--duration-normal) var(--ease-bounce);
}

.nav__logo:hover .nav__logo-img {
  transform: rotate(-8deg) scale(1.1);
}

.nav__logo-text {
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: var(--letter-spacing-tight);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav__link {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: color var(--duration-fast) var(--ease-smooth),
              background var(--duration-fast) var(--ease-smooth);
  letter-spacing: var(--letter-spacing-wide);
}

.nav__link:hover {
  color: var(--color-text-primary);
  background: var(--color-accent-purple-soft);
}

.nav__link--active {
  color: var(--color-accent-magenta);
}

.nav__link--active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--gradient-brand);
  border-radius: var(--radius-full);
}

.nav__link-index {
  color: var(--color-accent-purple);
  font-size: var(--font-size-xs);
  opacity: 0.6;
}

/* Mobile Nav Toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  z-index: var(--z-raised);
  cursor: pointer;
  background: none;
  border: none;
}

.nav__toggle-bar {
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: var(--radius-full);
  transition: transform var(--duration-normal) var(--ease-smooth),
              opacity var(--duration-normal) var(--ease-smooth);
}

.nav__toggle--open .nav__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__toggle--open .nav__toggle-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav__toggle--open .nav__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Nav Menu */
.nav__mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-bg-overlay);
  backdrop-filter: var(--glass-blur-heavy);
  -webkit-backdrop-filter: var(--glass-blur-heavy);
  z-index: var(--z-overlay);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-normal) var(--ease-smooth),
              visibility var(--duration-normal) var(--ease-smooth);
}

.nav__mobile-menu--open {
  display: flex;
  opacity: 1;
  visibility: visible;
}

.nav__mobile-link {
  font-family: var(--font-display);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-smooth),
              transform var(--duration-fast) var(--ease-bounce);
}

.nav__mobile-link:hover {
  color: var(--color-text-primary);
  transform: translateX(8px);
}

.nav__cta {
  margin-left: var(--space-4);
}


/* ╔══════════════════════════════════════════════════════════╗
   ║  BUTTONS                                                ║
   ╚══════════════════════════════════════════════════════════╝ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-smooth);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  isolation: isolate;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-smooth);
  z-index: -1;
}

/* Primary Button — Gradient Fill */
.btn--primary {
  background: var(--gradient-brand);
  color: #FFFFFF;
  box-shadow: var(--shadow-glow-brand);
}

.btn--primary::before {
  background: linear-gradient(135deg, #FF00DC, #8B00FF, #1400FF);
}

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

.btn--primary:hover::before {
  opacity: 1;
}

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

/* Secondary Button — Outline */
.btn--secondary {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-accent);
}

.btn--secondary:hover {
  background: var(--color-accent-purple-soft);
  border-color: var(--color-accent-purple);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-purple);
}

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

/* Ghost Button */
.btn--ghost {
  background: transparent;
  color: var(--color-text-secondary);
  padding: var(--space-2) var(--space-4);
}

.btn--ghost:hover {
  color: var(--color-text-primary);
  background: var(--color-accent-purple-soft);
}

/* Retro Pixel Button */
.btn--retro {
  background: var(--gradient-brand);
  color: #FFFFFF;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-retro);
  font-family: var(--font-mono);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  font-size: var(--font-size-xs);
}

.btn--retro:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0px var(--color-accent-purple);
}

.btn--retro:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0px var(--color-accent-purple);
}

/* Glass Button */
.btn--glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur-light);
  -webkit-backdrop-filter: var(--glass-blur-light);
  color: var(--color-text-primary);
  border: var(--glass-border);
}

.btn--glass:hover {
  background: var(--glass-bg-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-purple);
}

/* Icon Button */
.btn--icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--radius-md);
  background: var(--glass-bg);
  border: var(--glass-border);
  backdrop-filter: var(--glass-blur-light);
  -webkit-backdrop-filter: var(--glass-blur-light);
}

.btn--icon:hover {
  background: var(--glass-bg-hover);
  border-color: var(--color-border-accent);
  transform: translateY(-2px);
}

.btn--icon svg {
  width: 20px;
  height: 20px;
}

/* Button Sizes */
.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-xs);
}

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

.btn--xl {
  padding: var(--space-5) var(--space-10);
  font-size: var(--font-size-md);
  border-radius: var(--radius-lg);
}

/* Button Group */
.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
}


/* ╔══════════════════════════════════════════════════════════╗
   ║  CARDS                                                  ║
   ╚══════════════════════════════════════════════════════════╝ */

/* Base Card */
.card {
  position: relative;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: transform var(--duration-normal) var(--ease-smooth),
              border-color var(--duration-normal) var(--ease-smooth),
              box-shadow var(--duration-normal) var(--ease-smooth),
              background var(--duration-normal) var(--ease-smooth);
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-card-shine);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-smooth);
  pointer-events: none;
  border-radius: inherit;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-accent);
  box-shadow: var(--shadow-glow-purple);
  background: var(--glass-bg-hover);
}

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

/* Card with gradient border on hover */
.card--gradient-border {
  border: 1px solid transparent;
  background-clip: padding-box;
}

.card--gradient-border::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: var(--gradient-brand);
  z-index: -1;
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-smooth);
}

.card--gradient-border:hover::after {
  opacity: 1;
}

/* Project Card */
.card--project {
  padding: 0;
  display: flex;
  flex-direction: column;
}

.card--project .card__image {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.card--project .card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-smooth),
              filter var(--duration-slow) var(--ease-smooth);
}

.card--project:hover .card__image img {
  transform: scale(1.08);
  filter: brightness(1.1);
}

.card--project .card__image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, var(--color-bg-primary) 100%);
  opacity: 0.6;
}

.card--project .card__body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card--project .card__title {
  font-family: var(--font-display);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-2);
  color: var(--color-text-primary);
}

.card--project .card__description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-4);
  flex-grow: 1;
}

.card--project .card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.card--project .card__actions {
  display: flex;
  gap: var(--space-3);
  margin-top: auto;
}

/* Featured Project Card (larger, with extra emphasis) */
.card--featured {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  padding: 0;
}

.card--featured .card__image {
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
  aspect-ratio: auto;
  min-height: 350px;
}

.card--featured .card__body {
  padding: var(--space-8);
  justify-content: center;
}

.card--featured .card__title {
  font-size: var(--font-size-2xl);
}

/* YouTube Video Card */
.card--youtube {
  padding: 0;
}

.card--youtube .card__thumbnail {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.card--youtube .card__thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-smooth);
}

.card--youtube:hover .card__thumbnail img {
  transform: scale(1.05);
}

.card--youtube .card__play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  width: 64px;
  height: 64px;
  background: rgba(139, 0, 255, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--duration-normal) var(--ease-bounce),
              background var(--duration-normal) var(--ease-smooth),
              box-shadow var(--duration-normal) var(--ease-smooth);
  box-shadow: var(--shadow-glow-purple);
}

.card--youtube .card__play-btn svg {
  width: 24px;
  height: 24px;
  fill: white;
  margin-left: 3px;
}

.card--youtube:hover .card__play-btn {
  transform: translate(-50%, -50%) scale(1);
  background: var(--color-accent-magenta);
  box-shadow: var(--shadow-glow-magenta);
}

.card--youtube .card__duration {
  position: absolute;
  bottom: var(--space-3);
  right: var(--space-3);
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

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

.card--youtube .card__title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-2);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card--youtube .card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  font-family: var(--font-mono);
}

/* Social Card */
.card--social {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  padding: var(--space-5) var(--space-6);
  text-decoration: none;
  cursor: pointer;
}

.card--social:hover {
  transform: translateY(-4px) translateX(2px);
}

.card--social .card__icon {
  width: 52px;
  height: 52px;
  min-width: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  transition: transform var(--duration-normal) var(--ease-bounce),
              box-shadow var(--duration-normal) var(--ease-smooth);
}

.card--social:hover .card__icon {
  transform: rotate(-8deg) scale(1.1);
}

.card--social .card__info {
  flex: 1;
  min-width: 0;
}

.card--social .card__platform {
  font-family: var(--font-display);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.card--social .card__handle {
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

.card--social .card__arrow {
  color: var(--color-text-muted);
  transition: transform var(--duration-normal) var(--ease-smooth),
              color var(--duration-normal) var(--ease-smooth);
}

.card--social:hover .card__arrow {
  transform: translateX(4px);
  color: var(--color-accent-magenta);
}

/* Social Card Color Variants */
.card--social[data-platform="youtube"] .card__icon {
  background: rgba(255, 0, 0, 0.12);
  color: #FF0000;
}
.card--social[data-platform="twitter"] .card__icon,
.card--social[data-platform="x"] .card__icon {
  background: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
}
.card--social[data-platform="github"] .card__icon {
  background: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
}
.card--social[data-platform="linkedin"] .card__icon {
  background: rgba(0, 119, 181, 0.12);
  color: #0077B5;
}
.card--social[data-platform="instagram"] .card__icon {
  background: linear-gradient(135deg, rgba(131,58,180,0.12), rgba(253,29,29,0.12), rgba(252,176,69,0.12));
  color: #E4405F;
}
.card--social[data-platform="discord"] .card__icon {
  background: rgba(88, 101, 242, 0.12);
  color: #5865F2;
}
.card--social[data-platform="tiktok"] .card__icon {
  background: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
}
.card--social[data-platform="twitch"] .card__icon {
  background: rgba(145, 70, 255, 0.12);
  color: #9146FF;
}

/* Stat Card */
.card--stat {
  text-align: center;
  padding: var(--space-8) var(--space-6);
}

.card--stat .card__number {
  font-family: var(--font-display);
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-black);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: var(--space-2);
}

.card--stat .card__stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
}

/* Skill Category Card */
.card--skill-category {
  padding: var(--space-8);
}

.card--skill-category .card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--gradient-brand-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-4);
}

.card--skill-category .card__title {
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-4);
}


/* ╔══════════════════════════════════════════════════════════╗
   ║  BADGES & TAGS                                          ║
   ╚══════════════════════════════════════════════════════════╝ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
  line-height: 1.4;
  white-space: nowrap;
}

.badge--primary {
  background: var(--color-accent-purple-soft);
  color: var(--color-accent-purple);
  border: 1px solid var(--color-accent-purple-medium);
}

.badge--secondary {
  background: var(--color-accent-magenta-soft);
  color: var(--color-accent-magenta);
  border: 1px solid var(--color-accent-magenta-medium);
}

.badge--outline {
  background: transparent;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

.badge--gradient {
  background: var(--gradient-brand-soft);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-accent);
}

/* Skill Tag */
.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-smooth);
  cursor: default;
  letter-spacing: var(--letter-spacing-wide);
}

.tag:hover {
  color: var(--color-text-primary);
  border-color: var(--color-border-accent);
  background: var(--color-accent-purple-soft);
  box-shadow: var(--shadow-retro);
  transform: translate(-2px, -2px);
}

.tag__icon {
  width: 16px;
  height: 16px;
  border-radius: 3px;
}

.tag--lg {
  padding: var(--space-3) var(--space-5);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-md);
}


/* ╔══════════════════════════════════════════════════════════╗
   ║  TOOLTIPS                                               ║
   ╚══════════════════════════════════════════════════════════╝ */

[data-tooltip] {
  position: relative;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  padding: var(--space-2) var(--space-3);
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--duration-fast) var(--ease-smooth),
              transform var(--duration-fast) var(--ease-smooth);
  z-index: var(--z-tooltip);
}

[data-tooltip]:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}


/* ╔══════════════════════════════════════════════════════════╗
   ║  AVATAR                                                 ║
   ╚══════════════════════════════════════════════════════════╝ */

.avatar {
  position: relative;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid transparent;
  background-image: var(--gradient-brand);
  background-origin: border-box;
  background-clip: padding-box, border-box;
  box-shadow: var(--shadow-glow-brand);
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.avatar--lg {
  width: 180px;
  height: 180px;
}

.avatar--xl {
  width: 240px;
  height: 240px;
}

.avatar__status {
  position: absolute;
  bottom: 8px;
  right: 8px;
  width: 16px;
  height: 16px;
  background: #22C55E;
  border-radius: 50%;
  border: 3px solid var(--color-bg-primary);
  animation: pulse-status 2s ease infinite;
}

@keyframes pulse-status {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
  50% { box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
}


/* ╔══════════════════════════════════════════════════════════╗
   ║  TIMELINE                                               ║
   ╚══════════════════════════════════════════════════════════╝ */

.timeline {
  position: relative;
  padding-left: var(--space-8);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--color-accent-blue), var(--color-accent-purple), var(--color-accent-magenta), transparent);
}

.timeline__item {
  position: relative;
  padding-bottom: var(--space-8);
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__dot {
  position: absolute;
  left: calc(-1 * var(--space-8) + 10px);
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gradient-brand);
  box-shadow: 0 0 12px rgba(139, 0, 255, 0.5);
  z-index: 1;
}

.timeline__date {
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  color: var(--color-accent-magenta);
  margin-bottom: var(--space-2);
  letter-spacing: var(--letter-spacing-wider);
  text-transform: uppercase;
}

.timeline__title {
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-1);
}

.timeline__subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
}

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


/* ╔══════════════════════════════════════════════════════════╗
   ║  INPUTS & FORMS                                         ║
   ╚══════════════════════════════════════════════════════════╝ */

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  letter-spacing: var(--letter-spacing-wide);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  transition: border-color var(--duration-fast) var(--ease-smooth),
              box-shadow var(--duration-fast) var(--ease-smooth),
              background var(--duration-fast) var(--ease-smooth);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent-purple);
  box-shadow: 0 0 0 3px rgba(139, 0, 255, 0.15);
  background: var(--color-bg-tertiary);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}


/* ╔══════════════════════════════════════════════════════════╗
   ║  DIVIDER DECORATIONS                                    ║
   ╚══════════════════════════════════════════════════════════╝ */

.divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--color-border) 15%,
    var(--color-accent-purple-medium) 50%,
    var(--color-border) 85%,
    transparent
  );
  margin-block: var(--space-8);
}

.divider--glow {
  height: 2px;
  background: var(--gradient-brand);
  box-shadow: 0 0 20px rgba(139, 0, 255, 0.3);
}

/* ╔══════════════════════════════════════════════════════════╗
   ║  SKELETON LOADERS                                       ║
   ╚══════════════════════════════════════════════════════════╝ */

.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-bg-tertiary) 25%,
    var(--color-bg-elevated) 50%,
    var(--color-bg-tertiary) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

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

.skeleton--text {
  height: 16px;
  width: 80%;
  margin-bottom: var(--space-2);
}

.skeleton--title {
  height: 28px;
  width: 60%;
  margin-bottom: var(--space-4);
}

.skeleton--image {
  aspect-ratio: 16 / 9;
  width: 100%;
}

/* ============================================================
   CLASS MAPPINGS & ALIASES (Bridges Mismatched HTML Classes)
   ============================================================ */

/* ── Navigation Mappings ─────────────────────────────────── */
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container-xl);
  margin-inline: auto;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  z-index: var(--z-raised);
}

.nav-logo-img {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  transition: transform var(--duration-normal) var(--ease-bounce);
}

.nav-logo:hover .nav-logo-img {
  transform: rotate(-8deg) scale(1.1);
}

.nav-brand {
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: var(--letter-spacing-tight);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: color var(--duration-fast) var(--ease-smooth),
              background var(--duration-fast) var(--ease-smooth);
  letter-spacing: var(--letter-spacing-wide);
}

.nav-link:hover {
  color: var(--color-text-primary);
  background: var(--color-accent-purple-soft);
}

.nav-link.active {
  color: var(--color-accent-magenta);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--gradient-brand);
  border-radius: var(--radius-full);
}

/* Nav hiding/showing via JS */
.nav {
  transition: transform 0.3s var(--ease-smooth), background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease !important;
}

.nav.nav-hidden {
  transform: translateY(-100%);
}

.nav.scrolled {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

/* ── Theme Toggle Icon Rules ─────────────────────────────── */
#themeToggle svg {
  transition: transform 0.5s var(--ease-bounce);
}

#themeToggle:hover svg {
  transform: rotate(15deg) scale(1.1);
}

[data-theme="dark"] #themeToggle .icon-sun {
  display: block;
}

[data-theme="dark"] #themeToggle .icon-moon {
  display: none;
}

[data-theme="light"] #themeToggle .icon-sun {
  display: none;
}

[data-theme="light"] #themeToggle .icon-moon {
  display: block;
}