/* ============================================================
   COMPONENTS.CSS — Reusable UI Components
   ============================================================ */

/* ── Navbar ── */
[data-component="navbar"] {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

.navbar {
  position: relative;
  z-index: var(--z-sticky);
  padding: 0;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: none;
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.navbar.scrolled {
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  border-bottom-color: rgba(0, 0, 0, 0.10);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar__logo {
  display: flex;
  align-items: center;
}

.navbar__logo img {
  height: auto;
  max-height: 120px;
  max-width: 100%;
  width: auto;
  display: block;
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.navbar__links a {
  color: var(--color-navy);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
  position: relative;
}

.navbar__links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-teal);
  transition: width var(--transition-base);
  border-radius: var(--radius-full);
}

.navbar__links a:hover,
.navbar__links a.active {
  color: var(--color-teal);
}

.navbar__links a:hover::after,
.navbar__links a.active::after {
  width: 100%;
}

.navbar__cta {
  background: var(--gradient-teal) !important;
  color: var(--color-white) !important;
  padding: var(--space-2) var(--space-6) !important;
  border-radius: var(--radius-full) !important;
  font-weight: var(--font-weight-semibold) !important;
  font-size: var(--font-size-sm) !important;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast) !important;
}

.navbar__cta::after {
  display: none !important;
}

.navbar__cta:hover {
  transform: translateY(-1px) !important;
  box-shadow: var(--shadow-glow-teal) !important;
}

/* Hamburger Toggle — hidden on desktop, shown on mobile */
.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--space-2);
  background: none;
  border: none;
}

.navbar__toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-navy);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  display: block;
}

.navbar__toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.navbar__toggle.open span:nth-child(2) {
  opacity: 0;
}

.navbar__toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 768px) {
  .navbar__logo img {
    height: auto;
    max-height: 80px;
    max-width: 65vw;
    object-fit: contain;
  }

  .navbar__toggle {
    display: flex;
  }

  .navbar__links {
    position: fixed;
    top: 0;
    right: 0;
    width: 260px;
    max-width: 75vw;
    height: 100vh;
    background: #ffffff;
    flex-direction: column;
    justify-content: center;
    gap: var(--space-6);
    padding: var(--space-8);
    transform: translateX(100%);
    visibility: hidden;
    transition: transform var(--transition-slow), visibility 0s linear 0.4s;
    box-shadow: var(--shadow-2xl);
    z-index: var(--z-overlay);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .navbar__links.open {
    transform: translateX(0);
    visibility: visible;
    transition: transform var(--transition-slow), visibility 0s linear 0s;
  }

  .navbar__links a {
    font-size: var(--font-size-lg);
  }
}

@media (max-width: 480px) {
  .navbar__logo img {
    max-height: 60px;
    max-width: 60vw;
  }
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
  transition: all var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
  text-decoration: none;
}

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

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

.btn--secondary {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.3);
}

.btn--secondary:hover {
  border-color: var(--color-teal-light);
  color: var(--color-teal-light);
  transform: translateY(-2px);
}

.btn--orange {
  background: var(--gradient-orange);
  color: var(--color-white);
}

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

.btn--lg {
  padding: var(--space-4) var(--space-10);
  font-size: var(--font-size-lg);
}

/* ── Cards ── */
.card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  border: 1px solid rgba(0, 0, 0, 0.04);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-teal);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

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

.card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
}

.card__icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-4);
  display: block;
}

.card__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-navy);
  margin-bottom: var(--space-3);
}

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

/* Dark card variant */
.card--dark {
  background: var(--color-navy-light);
  border-color: rgba(255, 255, 255, 0.05);
}

.card--dark .card__title {
  color: var(--color-white);
}

.card--dark .card__text {
  color: var(--color-text-muted);
}

/* ── Timeline ── */
.timeline {
  position: relative;
  padding: var(--space-8) 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--color-teal), var(--color-orange));
  transform: translateX(-50%);
  border-radius: var(--radius-full);
}

.timeline__item {
  display: flex;
  align-items: center;
  margin-bottom: var(--space-12);
  position: relative;
}

.timeline__item:nth-child(odd) {
  flex-direction: row;
}

.timeline__item:nth-child(even) {
  flex-direction: row-reverse;
}

.timeline__dot {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 20px;
  border-radius: var(--radius-full);
  background: var(--color-teal);
  border: 4px solid var(--color-navy);
  z-index: 2;
  box-shadow: var(--shadow-glow-teal);
}

.timeline__item:nth-child(even) .timeline__dot {
  background: var(--color-orange);
  box-shadow: var(--shadow-glow-orange);
}

.timeline__content {
  width: 45%;
  background: var(--color-navy-light);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.timeline__content:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.timeline__year {
  display: inline-block;
  background: var(--gradient-teal);
  color: var(--color-white);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-sm);
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
}

.timeline__item:nth-child(even) .timeline__year {
  background: var(--gradient-orange);
}

.timeline__content h3 {
  color: var(--color-white);
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-3);
}

.timeline__content p {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.timeline__image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
}

@media (max-width: 768px) {
  .timeline::before {
    left: 20px;
  }

  .timeline__item,
  .timeline__item:nth-child(even) {
    flex-direction: row;
    padding-left: var(--space-12);
  }

  .timeline__dot {
    left: 20px;
  }

  .timeline__content {
    width: 100%;
  }
}

/* ── Stats ── */
.stat {
  text-align: center;
  padding: var(--space-6);
}

.stat__number {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-extrabold);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat__number--teal {
  color: var(--color-teal-light);
}

.stat__number--orange {
  color: var(--color-orange);
}

.stat__label {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
  color: var(--color-text-muted);
}

/* ── Forms ── */
.form-group {
  margin-bottom: var(--space-6);
}

.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-navy);
  margin-bottom: var(--space-2);
}

.form-control {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--color-surface-dark);
  border-radius: var(--radius-lg);
  background: var(--color-white);
  color: var(--color-text);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  border-color: var(--color-teal);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}

.form-control--error {
  border-color: var(--color-error);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

.form-error {
  font-size: var(--font-size-xs);
  color: var(--color-error);
  margin-top: var(--space-1);
  display: none;
}

.form-error.visible {
  display: block;
}

/* ── Badge ── */
.badge {
  display: inline-block;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
}

.badge--teal {
  background: var(--color-teal-100);
  color: var(--color-teal-dark);
}

.badge--orange {
  background: var(--color-orange-100);
  color: var(--color-orange-dark);
}

/* ── Toast ── */
.toast {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  background: var(--color-navy);
  color: var(--color-white);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
  z-index: var(--z-toast);
  transform: translateY(120%);
  transition: transform var(--transition-spring);
  font-size: var(--font-size-sm);
  max-width: 400px;
  border-left: 4px solid var(--color-teal);
}

.toast.visible {
  transform: translateY(0);
}

.toast--error {
  border-left-color: var(--color-error);
}

.toast--success {
  border-left-color: var(--color-teal);
}

@media (max-width: 480px) {
  .toast {
    right: var(--space-4);
    bottom: var(--space-4);
    left: var(--space-4);
    max-width: none;
  }
}

/* ── Get Involved Page ── */
.involvement-section {
  padding: var(--space-20) 0;
  text-align: center;
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.involvement-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
  gap: var(--space-8);
  max-width: 900px;
  width: 100%;
  margin-top: var(--space-12);
  perspective: 1000px;
  animation: fadeInContainer 0.8s ease forwards;
}

.involvement-card {
  opacity: 0;
  transform: translateY(30px);
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  animation: revealCard 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.involvement-card:nth-child(2) {
  animation-delay: 0.15s;
}

.sponsor-cta-wrap {
  max-width: 480px;
  width: 100%;
  margin: var(--space-6) auto 0;
}

@keyframes fadeInContainer {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes revealCard {
  to {
    opacity: 1;
    transform: translateY(0) rotateX(0);
  }
}

.involvement-card__icon {
  font-size: 3.5rem;
  margin-bottom: var(--space-6);
  background: var(--color-teal-50);
  width: 100px;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--color-teal);
}

.involvement-card:nth-child(2) .involvement-card__icon {
  background: var(--color-orange-50);
  color: var(--color-orange);
}

.involvement-card h3 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-navy);
  margin-bottom: var(--space-4);
}

.involvement-card p {
  color: var(--color-text-light);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-8);
}

/* ── Past Supporters ── */
.past-supporters {
  width: 100%;
  max-width: 1000px;
}

.supporters-section {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0, 0, 0, 0.03);
  text-align: left;
}

.section-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-navy);
  margin-bottom: var(--space-8);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.section-title::before {
  content: '';
  width: 4px;
  height: 24px;
  background: var(--gradient-teal);
  border-radius: var(--radius-full);
}

/* ── Sponsor Cards ── */
.sponsors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-6);
  width: 100%;
}

.sponsor-card-link {
  text-decoration: none;
  display: block;
}

.sponsor-card {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  text-align: center;
  border: 1px solid rgba(15, 23, 42, 0.08);
  transition: all var(--transition-base);
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  text-decoration: none;
}

.sponsor-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--color-teal);
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

.sponsor-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(13, 148, 136, 0.2);
}

.sponsor-card:hover::after {
  transform: translateY(0);
}

.sponsor-card--platinum::after {
  background: var(--gradient-navy);
}

.sponsor-card--gold::after {
  background: var(--gradient-orange);
}

.sponsor-card--silver::after {
  background: var(--gradient-teal);
}

.sponsor-card--dark-logo {
  background: var(--color-navy);
}

.sponsor-card--dark-logo .sponsor-card__name {
  color: var(--color-white);
}

.sponsor-card--dark-logo .sponsor-card__tier {
  color: var(--color-teal-light);
}

.sponsor-card__logo {
  width: 100%;
  max-width: 180px;
  height: 84px;
  object-fit: contain;
  object-position: center;
  margin-bottom: var(--space-6);
  transition: transform var(--transition-base);
  display: block;
}

.sponsor-card:hover .sponsor-card__logo {
  transform: scale(1.05);
}

.sponsor-card__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.sponsor-card__tier {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
  color: var(--color-orange);
}

.sponsor-card--platinum .sponsor-card__tier {
  color: var(--color-navy);
}

.sponsor-card--silver .sponsor-card__tier {
  color: var(--color-teal);
}

.sponsor-card__name {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-navy);
}

.volunteers-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.volunteer-name {
  padding: var(--space-2) var(--space-5);
  background: var(--color-teal-50);
  color: var(--color-teal-dark);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
}

.volunteer-name:hover {
  background: var(--color-teal-100);
  transform: scale(1.05);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Carousel ── */
.carousel-section {
  overflow: hidden;
  padding-bottom: var(--space-16);
}

.carousel {
  position: relative;
  width: 100%;
  padding: 0 var(--space-16);
}

.carousel__viewport {
  position: relative;
  overflow: hidden;
  padding: var(--space-12) 0;
  /* Left-to-right fade: wider ramp for a more dramatic vignette */
  -webkit-mask-image: linear-gradient(to right,
      transparent 0%,
      rgba(0, 0, 0, 0.3) 6%,
      #000 18%,
      #000 82%,
      rgba(0, 0, 0, 0.3) 94%,
      transparent 100%);
  mask-image: linear-gradient(to right,
      transparent 0%,
      rgba(0, 0, 0, 0.3) 6%,
      #000 18%,
      #000 82%,
      rgba(0, 0, 0, 0.3) 94%,
      transparent 100%);
}

.carousel__track {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  transition: transform 0.8s cubic-bezier(0.35, 0, 0.2, 1);
  will-change: transform;
}

/* Base state — furthest slides */
.carousel__slide {
  flex: 0 0 360px;
  height: 460px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  transform: scale(0.68);
  opacity: 0.38;
  transition:
    transform 0.8s cubic-bezier(0.35, 0, 0.2, 1),
    opacity 0.8s ease,
    box-shadow 0.8s ease;
  box-shadow: var(--shadow-md);
  background: var(--color-navy-light);
  cursor: zoom-in;
}

/* Adjacent slides — one step from center */
.carousel__slide.is-near {
  transform: scale(0.84);
  opacity: 0.7;
  box-shadow: var(--shadow-xl);
}

/* Center / active slide */
.carousel__slide.is-active {
  transform: scale(1);
  opacity: 1;
  box-shadow: var(--shadow-2xl), 0 0 40px rgba(241, 73, 2, 0.25), 0 0 0 1px rgba(255, 255, 255, 0.07);
}

.carousel__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  user-select: none;
  -webkit-user-drag: none;
  pointer-events: none;
}

.carousel__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition:
    background var(--transition-base),
    border-color var(--transition-base),
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.carousel__arrow:hover {
  background: var(--color-teal);
  border-color: var(--color-teal);
  transform: translateY(-50%) scale(1.08);
  box-shadow: var(--shadow-glow-teal);
}

.carousel__arrow:focus-visible {
  outline: 2px solid var(--color-teal-light);
  outline-offset: 3px;
}

.carousel__arrow--prev {
  left: var(--space-4);
}

.carousel__arrow--next {
  right: var(--space-4);
}

.carousel__dots {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-6);
}

.carousel__dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: none;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.2);
  cursor: pointer;
  transition: width var(--transition-base), background var(--transition-base), transform var(--transition-base);
}

.carousel__dot:hover {
  background: rgba(255, 255, 255, 0.45);
  transform: scale(1.2);
}

.carousel__dot.is-active {
  background: var(--color-teal-light);
  width: 26px;
  border-radius: 4px;
}

@media (max-width: 768px) {
  .carousel {
    padding: 0 var(--space-2);
  }

  .carousel__slide {
    flex: 0 0 250px;
    height: 320px;
  }

  .carousel__arrow {
    width: 42px;
    height: 42px;
  }

  .carousel__viewport {
    -webkit-mask-image: linear-gradient(to right, transparent 0, #000 10%, #000 90%, transparent 100%);
    mask-image: linear-gradient(to right, transparent 0, #000 10%, #000 90%, transparent 100%);
  }
}

/* ── Lightbox ── */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.lightbox.is-open {
  opacity: 1;
  pointer-events: all;
}

.lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.lightbox__close {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  z-index: 2;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.lightbox__close:hover {
  background: rgba(255, 255, 255, 0.22);
  transform: scale(1.1) rotate(90deg);
}

.lightbox__img-wrap {
  position: relative;
  z-index: 1;
  max-width: min(90vw, 1100px);
  max-height: 88vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox__img {
  max-width: 100%;
  max-height: 88vh;
  object-fit: contain;
  border-radius: var(--radius-xl);
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.7);
  transform: scale(0.92);
  transition: transform 0.35s cubic-bezier(0.34, 1.4, 0.64, 1), opacity 0.3s ease;
  opacity: 0;
  display: block;
}

.lightbox.is-open .lightbox__img {
  transform: scale(1);
  opacity: 1;
}

.lightbox__counter {
  position: absolute;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: rgba(255, 255, 255, 0.55);
  font-size: var(--font-size-sm);
  letter-spacing: var(--letter-spacing-wide);
  pointer-events: none;
}

.lightbox__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
}

.lightbox__arrow:hover {
  background: var(--color-teal);
  border-color: var(--color-teal);
  box-shadow: var(--shadow-glow-teal);
  transform: translateY(-50%) scale(1.08);
}

.lightbox__arrow--prev {
  left: var(--space-6);
}

.lightbox__arrow--next {
  right: var(--space-6);
}

@media (max-width: 768px) {
  .lightbox__arrow {
    width: 44px;
    height: 44px;
  }

  .lightbox__arrow--prev {
    left: var(--space-2);
  }

  .lightbox__arrow--next {
    right: var(--space-2);
  }

  .lightbox__close {
    top: var(--space-3);
    right: var(--space-3);
  }
}


/* ── Layout helpers ── */
.page-header .container,
.cta-section .container {
  position: relative;
  z-index: 1;
}

.page-header .badge {
  margin-bottom: var(--space-4);
  display: inline-block;
}

/* ── Accent bar variants ── */
.accent-bar--orange {
  background: var(--gradient-orange);
}

.accent-bar--mt4 {
  margin-top: var(--space-4);
}

/* ── Mission section ── */
.mission__icon {
  font-size: 4rem;
  margin-bottom: var(--space-4);
}

/* ── Button full-width ── */
.btn--block {
  width: 100%;
  padding: var(--space-4);
}

/* ── Dark Mode — component overrides ── */
@media (max-width: 768px) {
  html[data-theme="dark"] .navbar__links {
    background: var(--color-surface-alt);
  }

  html[data-theme="dark"] .navbar__links a {
    color: var(--color-white);
  }

  html[data-theme="dark"] .navbar__links a:hover,
  html[data-theme="dark"] .navbar__links a.active {
    color: var(--color-teal);
  }
}

html[data-theme="dark"] .card {
  background: var(--color-navy-light);
  border-color: rgba(255, 255, 255, 0.06);
}

html[data-theme="dark"] .card__title {
  color: var(--color-text);
}

html[data-theme="dark"] .form-group label {
  color: var(--color-text);
}

html[data-theme="dark"] .form-control {
  background: var(--color-surface-alt);
  border-color: rgba(255, 255, 255, 0.12);
  color: var(--color-text);
}

html[data-theme="dark"] .form-control:focus {
  box-shadow: 0 0 0 3px rgba(241, 73, 2, 0.20);
}

html[data-theme="dark"] .badge--teal {
  background: rgba(241, 73, 2, 0.20);
  color: var(--color-teal-light);
}

html[data-theme="dark"] .badge--orange {
  background: rgba(247, 163, 36, 0.20);
  color: var(--color-orange-light);
}

html[data-theme="dark"] .involvement-card {
  background: var(--color-navy-light);
  border-color: rgba(255, 255, 255, 0.06);
}

html[data-theme="dark"] .involvement-card h3 {
  color: var(--color-text);
}

html[data-theme="dark"] .supporters-section {
  background: var(--color-surface-alt);
  border-color: rgba(255, 255, 255, 0.06);
}

html[data-theme="dark"] .section-title {
  color: var(--color-text);
}

html[data-theme="dark"] .sponsor-card {
  background: var(--color-navy-light);
  border-color: rgba(255, 255, 255, 0.08);
}

html[data-theme="dark"] .sponsor-card--dark-logo {
  background: var(--color-navy-surface);
}

html[data-theme="dark"] .sponsor-card--platinum .sponsor-card__tier {
  color: var(--color-text-muted);
}

html[data-theme="dark"] .sponsor-card__name {
  color: var(--color-text);
}

html[data-theme="dark"] .volunteer-name {
  background: rgba(241, 73, 2, 0.15);
  color: var(--color-teal-light);
}

html[data-theme="dark"] .section--dark {
  background-color: var(--color-surface-dark);
}

html[data-theme="dark"] .section--alt {
  background-color: var(--color-surface-alt);
}