/* ═══════════════════════════════════════════════════════════
   IEEE UJ-AQ — Main Component Styles (Premium Edition)
   ═══════════════════════════════════════════════════════════ */

/* ── Site Body ── */
.site-body {
  min-height: 100vh;
  overflow-x: hidden;
}

/* ═══════════════════════════════════════════════════════════
   NAVBAR
   ═══════════════════════════════════════════════════════════ */
.public-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 1rem;
  padding: 0.8rem max(1rem, calc((100vw - var(--container-max)) / 2));
  background: var(--glass-bg);
  border-bottom: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  transition: all 400ms var(--ease-smooth);
}

.public-nav.nav-scrolled {
  padding-block: 0.5rem;
  background: var(--glass-bg-strong);
  border-bottom-color: var(--nt-border-strong);
  box-shadow: 0 4px 30px rgba(0, 98, 155, 0.08);
}

[data-theme="dark"] .public-nav.nav-scrolled {
  box-shadow: 0 4px 30px rgba(0, 166, 214, 0.06);
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  order: 1;
  flex: 0 0 220px;
  min-width: 220px;
  position: relative;
  width: 220px;
  height: 60px;
  margin-inline-end: 1rem;
}

.brand-lockup strong {
  display: block;
  line-height: 1.1;
  font-family: 'Space Grotesk', sans-serif;
}

.brand-lockup small {
  color: var(--nt-muted);
  display: block;
  margin-top: 0.15rem;
  font-size: 0.78rem;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 54px;
  height: 38px;
  border-radius: var(--radius-md);
  color: white;
  background: var(--gradient-blue);
  font-weight: 900;
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  box-shadow: var(--shadow-glow-blue);
  transition: transform 300ms var(--ease-spring);
}

.brand-mark-img {
  height: 200px;
  width: auto;
  object-fit: contain;
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%) translateX(50px);
  pointer-events: none;
}

.nav-actions {
  order: 3;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-inline-start: 0.5rem;
}

.nav-links {
  order: 2;
  display: flex;
  align-items: center;
  gap: 0.15rem;
  margin-inline-start: auto;
}

.nav-links a {
  position: relative;
  padding: 0.55rem 0.7rem;
  border-radius: var(--radius-md);
  color: var(--nt-muted);
  font-weight: 600;
  font-size: 0.88rem;
  transition: all 250ms var(--ease-smooth);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient-blue);
  border-radius: 2px;
  transition: all 300ms var(--ease-out-expo);
  transform: translateX(-50%);
}

.nav-links a:hover {
  color: var(--nt-blue);
  background: rgba(0, 98, 155, 0.06);
}

.nav-links a:hover::after {
  width: 60%;
}

.nav-links a.active {
  color: var(--nt-blue);
  font-weight: 700;
}

.nav-links a.active::after {
  width: 70%;
}

.language-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  padding: 0.2rem;
  border: 1px solid var(--nt-border);
  border-radius: var(--radius-full);
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
}

.language-toggle a {
  min-width: 36px;
  text-align: center;
  border-radius: var(--radius-full);
  padding: 0.3rem 0.5rem;
  font-size: 0.82rem;
  font-weight: 700;
}

.language-toggle a::after {
  display: none;
}

.mobile-menu-button {
  display: none;
}

/* ═══════════════════════════════════════════════════════════
   HERO SECTION (Homepage)
   ═══════════════════════════════════════════════════════════ */
.hero-section.hero-enterprise {
  position: relative;
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5rem 0 3rem;
  background-size: cover;
  background-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 15, 30, 0.77);
  z-index: 1;
}

.hero-center {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-logo-badge {
  width: 100%;
  max-width: 450px;
  height: auto;
  display: grid;
  place-items: center;
  margin-bottom: 2rem;
  padding: 0;
}

.hero-logo-badge img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.hero-copy h1.enterprise-heading {
  margin: 0 0 1rem;
  font-size: clamp(2.8rem, 7vw, 4.5rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: white;
  font-weight: 800;
}

.hero-copy p,
.page-hero p,
.section-heading p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.25rem;
  line-height: 1.7;
  margin: 0 auto;
}

[data-theme="light"] .page-hero p,
[data-theme="light"] .section-heading p {
  color: var(--nt-muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.5rem;
  justify-content: center;
}

.button-enterprise {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 2.2rem;
  border-radius: var(--radius-sm);
  background: var(--nt-blue);
  color: white;
  font-weight: 600;
  font-size: 1rem;
  transition: background 300ms ease;
  border: none;
  text-decoration: none;
}

.button-enterprise:hover {
  background: var(--nt-blue-dark);
  color: white;
}

.button-enterprise-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 2.2rem;
  border-radius: var(--radius-sm);
  background: transparent;
  color: white;
  font-weight: 600;
  font-size: 1rem;
  transition: all 300ms ease;
  border: 1px solid rgba(255, 255, 255, 0.3);
  text-decoration: none;
}

.button-enterprise-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: white;
}

/* ═══════════════════════════════════════════════════════════
   SECTIONS
   ═══════════════════════════════════════════════════════════ */
.section {
  padding: 5rem 0;
}

.band {
  background: var(--nt-surface);
  border-block: 1px solid var(--nt-border);
}

[data-theme="dark"] .band {
  background: var(--nt-surface);
}

/* ── Page Hero (inner pages) ── */
.page-hero {
  position: relative;
  padding: 6rem 0 4rem;
  overflow: hidden;
  background: var(--gradient-hero);
  color: white;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--nt-blue-deep), var(--nt-blue-dark), var(--nt-blue));
  background-size: 200% 200%;
  animation: gradientShift 8s ease infinite;
}

.page-hero-grid-pattern {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
}

.page-hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
  opacity: 0.4;
}

.page-hero-blob--1 {
  width: 300px;
  height: 300px;
  top: -80px;
  right: -60px;
  background: var(--nt-cyan);
}

.page-hero-blob--2 {
  width: 200px;
  height: 200px;
  bottom: -60px;
  left: 10%;
  background: var(--nt-gold);
}

.page-hero-content {
  position: relative;
  z-index: 2;
}

.page-hero .eyebrow {
  color: rgba(255, 255, 255, 0.7);
}

.page-hero .eyebrow::before {
  background: rgba(255, 255, 255, 0.4);
}

.page-hero p {
  color: rgba(255, 255, 255, 0.75);
}

.page-hero h1 {
  font-size: clamp(2.4rem, 5vw, 4.8rem);
  margin: 0.5rem 0;
  letter-spacing: -0.02em;
  color: white;
}

/* ── Section Heading ── */
.section-heading {
  margin-bottom: 2.5rem;
}

.section-heading h2,
.split-section h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  margin: 0.5rem 0;
  color: var(--nt-text);
  letter-spacing: -0.02em;
}

.section-heading.compact h2 {
  font-size: 1.5rem;
}

.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

/* ═══════════════════════════════════════════════════════════
   CARD GRIDS & COMPONENT CARDS
   ═══════════════════════════════════════════════════════════ */
.stat-grid,
.card-grid.three,
.team-grid,
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.2rem;
}

/* ── Shared Card Base ── */
.stat-card,
.feature-card,
.event-card,
.team-card,
.form-panel,
.detail-panel,
.verify-panel,
.list-panel,
.society-panel,
.cta-panel {
  background: var(--glass-bg-strong);
  border: 1px solid var(--nt-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all 400ms var(--ease-smooth);
}

/* ── Stat Card ── */
.stat-card {
  padding: 1.5rem;
  display: grid;
  gap: 0.4rem;
  position: relative;
  overflow: hidden;
}

.stat-card-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
  background: rgba(253, 181, 21, 0.1);
  color: var(--nt-gold);
  font-size: 1.3rem;
}

[data-theme="dark"] .stat-card-icon {
  background: rgba(253, 181, 21, 0.12);
}

.stat-card strong {
  font-size: 2.2rem;
  font-family: 'Space Grotesk', sans-serif;
  color: var(--nt-text);
  transition: transform 200ms var(--ease-spring);
}

.stat-card span {
  color: var(--nt-muted);
  font-weight: 600;
  font-size: 0.88rem;
}

.stat-card-accent {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-blue);
  opacity: 0;
  transition: opacity 400ms var(--ease-smooth);
}

.stat-card:hover .stat-card-accent {
  opacity: 1;
}

/* ── Feature Card ── */
.feature-card {
  padding: 1.8rem;
}

.feature-card i {
  font-size: 2rem;
  color: var(--nt-blue);
}

.feature-card h3 {
  margin: 0.8rem 0 0.5rem;
}

.feature-card p,
.event-body p,
.prose p,
.society-panel p {
  color: var(--nt-muted);
  line-height: 1.75;
}

/* ── Event Card ── */
.event-card {
  overflow: hidden;
  transition: transform 400ms var(--ease-spring), box-shadow 400ms var(--ease-smooth);
}

.event-media {
  display: block;
  aspect-ratio: 16 / 10;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--nt-blue), var(--nt-gold));
}

.event-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 600ms var(--ease-out-expo);
}

.event-media-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.4) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 400ms var(--ease-smooth);
}

.event-card:hover img {
  transform: scale(1.08);
}

.event-card:hover .event-media-overlay {
  opacity: 1;
}

.event-placeholder {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  color: white;
  font-size: 3rem;
}

.event-body {
  padding: 1.4rem;
}

.event-body h3 {
  margin: 0.7rem 0 0.5rem;
  color: var(--nt-text);
}

.event-body h3 a {
  transition: color 200ms;
}

.event-body h3 a:hover {
  color: var(--nt-blue);
}

.card-meta {
  color: var(--nt-muted);
  display: flex;
  gap: 0.45rem;
  align-items: center;
  font-weight: 600;
  font-size: 0.85rem;
}

/* ── Impact Strip ── */
.impact-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
}

.impact-strip span,
.benefit-chip {
  padding: 1.1rem;
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  border: 1px solid var(--nt-border);
  color: var(--nt-text);
  font-weight: 800;
  backdrop-filter: blur(8px);
  transition: all 300ms var(--ease-spring);
}

.impact-strip span:hover,
.benefit-chip:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
  border-color: rgba(0, 98, 155, 0.2);
}

.benefit-chip {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.benefit-chip i {
  color: var(--nt-cyan);
  font-size: 1.2rem;
}

/* ── CTA Panel ── */
.cta-panel {
  padding: 2.5rem;
  display: grid;
  gap: 0.8rem;
  color: var(--nt-text);
  position: relative;
  overflow: hidden;
  transition: transform 400ms var(--ease-spring), box-shadow 400ms var(--ease-smooth);
}

.cta-panel:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-elevated);
}

.cta-panel strong {
  font-size: 2rem;
  font-family: 'Space Grotesk', sans-serif;
}

.cta-panel .bi-arrow-right {
  font-size: 1.4rem;
  transition: transform 300ms var(--ease-spring);
}

.cta-panel:hover .bi-arrow-right {
  transform: translateX(6px);
}

/* ═══════════════════════════════════════════════════════════
   PROSE & ABOUT
   ═══════════════════════════════════════════════════════════ */
.prose-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1.2rem;
}

.prose {
  grid-row: span 3;
  background: var(--glass-bg-strong);
  border: 1px solid var(--nt-border);
  border-radius: var(--radius-xl);
  padding: 2.2rem;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(12px);
}

/* ═══════════════════════════════════════════════════════════
   SOCIETIES
   ═══════════════════════════════════════════════════════════ */
.society-stack {
  display: grid;
  gap: 1.5rem;
}

.society-panel {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 1.5rem;
  padding: 1.8rem;
  align-items: center;
}

.society-icon {
  width: 90px;
  height: 90px;
  border-radius: var(--radius-xl);
  display: grid;
  place-items: center;
  color: white;
  background: var(--gradient-blue);
  font-size: 2rem;
  box-shadow: var(--shadow-glow-blue);
  transition: transform 400ms var(--ease-spring);
}

.society-panel:hover .society-icon {
  transform: rotateY(15deg) scale(1.05);
}

/* ═══════════════════════════════════════════════════════════
   EVENTS FILTER
   ═══════════════════════════════════════════════════════════ */
.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 1.6rem;
}

/* ═══════════════════════════════════════════════════════════
   EVENT DETAIL
   ═══════════════════════════════════════════════════════════ */
.event-detail-hero {
  position: relative;
  padding: 7rem 0 4rem;
  color: white;
  background: var(--gradient-hero);
  overflow: hidden;
}

.event-detail-hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
}

.event-detail-hero .container {
  position: relative;
  z-index: 2;
}

.event-detail-hero h1 {
  font-size: clamp(2.2rem, 5vw, 4.8rem);
  margin: 1rem 0;
}

.detail-grid,
.calendar-layout,
.forms-two {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 1.5rem;
  align-items: start;
}

.detail-panel,
.form-panel,
.verify-panel,
.list-panel {
  padding: 1.6rem;
}

.resource-link,
.mini-event {
  display: grid;
  gap: 0.2rem;
  padding: 0.9rem;
  border-radius: var(--radius-md);
  background: var(--nt-surface2);
  margin-bottom: 0.6rem;
  transition: all 300ms var(--ease-smooth);
  border: 1px solid transparent;
}

.resource-link:hover,
.mini-event:hover {
  border-color: var(--nt-border);
  transform: translateX(4px);
}

.success-section {
  min-height: 55vh;
  display: grid;
  place-items: center;
}

/* ═══════════════════════════════════════════════════════════
   CALENDAR
   ═══════════════════════════════════════════════════════════ */
.calendar-shell {
  background: var(--glass-bg-strong);
  border: 1px solid var(--nt-border);
  border-radius: var(--radius-xl);
  padding: 1.2rem;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(12px);
}

.calendar-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.calendar-toolbar h2 {
  font-family: 'Space Grotesk', sans-serif;
}

.calendar-weekdays,
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.35rem;
}

.calendar-weekdays span,
.calendar-day {
  min-height: 44px;
  border-radius: var(--radius-sm);
  padding: 0.5rem;
  background: var(--nt-surface2);
  display: grid;
  place-items: center;
  font-size: 0.85rem;
  transition: all 300ms var(--ease-smooth);
}

.calendar-day.has-event {
  background: rgba(0, 98, 155, 0.12);
  color: var(--nt-blue);
  font-weight: 800;
  box-shadow: inset 0 0 0 2px rgba(0, 98, 155, 0.2);
  animation: pulseGlow 3s ease-in-out infinite;
}

[data-theme="dark"] .calendar-day.has-event {
  background: rgba(0, 166, 214, 0.12);
  color: var(--nt-cyan);
  box-shadow: inset 0 0 0 2px rgba(0, 166, 214, 0.2);
}

/* ═══════════════════════════════════════════════════════════
   GALLERY
   ═══════════════════════════════════════════════════════════ */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.gallery-item {
  position: relative;
  border: 0;
  padding: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 1;
  background: var(--nt-surface2);
  border: 1px solid var(--nt-border);
  transition: all 400ms var(--ease-spring);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms var(--ease-out-expo);
}

.gallery-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-elevated);
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-item span {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  padding: 1.2rem;
  color: white;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.75));
  text-align: start;
  font-weight: 600;
  transform: translateY(100%);
  transition: transform 400ms var(--ease-out-expo);
}

.gallery-item:hover span {
  transform: translateY(0);
}

/* ── Lightbox ── */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  background: rgba(8, 16, 30, 0.92);
  backdrop-filter: blur(20px);
  padding: 2rem;
  color: white;
  opacity: 0;
  visibility: hidden;
  transition: opacity 400ms var(--ease-smooth), visibility 400ms;
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.lightbox[hidden] {
  display: none;
}

.lightbox img {
  max-height: 80vh;
  max-width: 90vw;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-elevated);
  transform: scale(0.9);
  transition: transform 500ms var(--ease-spring);
}

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

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  inset-inline-end: 1.5rem;
}

.lightbox-title {
  margin-top: 1rem;
  font-size: 1.1rem;
}

/* ═══════════════════════════════════════════════════════════
   TEAM
   ═══════════════════════════════════════════════════════════ */
.team-card {
  padding: 1.5rem;
  text-align: center;
}

.team-card img,
.avatar {
  width: 96px;
  height: 96px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid transparent;
  transition: all 400ms var(--ease-spring);
}

.team-card:hover img,
.team-card:hover .avatar {
  border-color: var(--nt-cyan);
  box-shadow: 0 0 20px var(--glow-cyan);
  transform: scale(1.05);
}

.avatar {
  display: grid;
  place-items: center;
  background: var(--gradient-blue);
  color: white;
  font-size: 2rem;
  font-weight: 900;
}

.team-card h3 {
  margin: 0.5rem 0 0.3rem;
}

.team-card p {
  color: var(--nt-muted);
  font-size: 0.88rem;
}

.team-card a {
  color: var(--nt-blue);
  transition: color 200ms;
}

.team-card a:hover {
  color: var(--nt-cyan);
}

/* ═══════════════════════════════════════════════════════════
   TIMELINE
   ═══════════════════════════════════════════════════════════ */
.timeline {
  display: grid;
  gap: 1.2rem;
  margin-top: 2rem;
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--nt-border);
  border-radius: 3px;
}

.timeline-progress {
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 0;
  background: var(--gradient-blue);
  border-radius: 3px;
  transition: height 200ms linear;
  z-index: 1;
}

.timeline article {
  position: relative;
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1rem;
  padding: 1.2rem;
  border: 1px solid var(--nt-border);
  border-radius: var(--radius-lg);
  background: var(--glass-bg-strong);
  backdrop-filter: blur(8px);
  transition: all 300ms var(--ease-smooth);
}

.timeline article::before {
  content: '';
  position: absolute;
  left: -2rem;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gradient-blue);
  border: 3px solid var(--nt-bg);
  box-shadow: 0 0 0 3px var(--nt-blue);
  z-index: 2;
}

.timeline article:hover {
  border-color: rgba(0, 98, 155, 0.3);
  transform: translateX(4px);
}

/* ═══════════════════════════════════════════════════════════
   FORMS (Contact / Join)
   ═══════════════════════════════════════════════════════════ */
.form-panel,
.verify-panel {
  padding: 2rem;
}

.form-panel h2,
.verify-panel h2 {
  margin-bottom: 1.5rem;
}

.join-intro {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  gap: 1.4rem;
  align-items: end;
}

.join-intro h2 {
  max-width: 720px;
  margin: 0.45rem 0 0;
  font-size: clamp(1.9rem, 3.4vw, 3rem);
}

.join-benefits {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.join-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.15fr);
  gap: 1.4rem;
  align-items: start;
}

.join-form {
  display: grid;
  gap: 0.9rem;
  padding: clamp(1.25rem, 2.2vw, 1.8rem);
}

.join-form-head {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  margin-bottom: 0.2rem;
}

.join-form-head h2 {
  margin: 0;
  font-size: 1.35rem;
}

.join-form-head p {
  margin: 0.25rem 0 0;
  color: var(--nt-muted);
  font-weight: 600;
  line-height: 1.45;
}

.join-form-icon {
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
  color: white;
  background: var(--gradient-blue);
  box-shadow: var(--shadow-glow-blue);
}

.volunteer-form .join-form-icon {
  background: linear-gradient(135deg, var(--nt-gold-warm), var(--nt-cyan));
}

.join-fieldset {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

.join-form textarea {
  min-height: 108px;
}

.join-form .button {
  justify-self: start;
  margin-top: 0.2rem;
}

.join-form select,
.join-form input,
.join-form textarea {
  background: color-mix(in srgb, var(--glass-bg) 86%, transparent);
}

.form-panel > label,
.form-panel > fieldset {
  margin-top: 0.85rem;
}

.join-form > label,
.join-form > fieldset {
  margin-top: 0;
}

.check-row {
  display: flex !important;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  margin: 0.1rem 0 0.35rem;
  padding: 0.85rem 0.95rem;
  border: 1px solid var(--nt-border);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--nt-surface2) 68%, transparent);
  color: var(--nt-text-secondary);
  font-weight: 700;
  line-height: 1.25;
  cursor: pointer;
}

.check-row:hover {
  border-color: var(--nt-border-strong);
  background: var(--glass-bg-strong);
}

.choice-group label {
  display: flex !important;
  align-items: center;
  gap: 0.55rem;
}

.check-row input,
.choice-group input {
  flex: 0 0 auto;
  width: 18px !important;
  height: 18px;
  min-height: 0;
  margin: 0;
  padding: 0;
  accent-color: var(--nt-cyan);
  box-shadow: none;
  backdrop-filter: none;
}

.check-row span {
  min-width: 0;
}

.choice-group {
  border: 1px solid var(--nt-border);
  border-radius: var(--radius-md);
  padding: 0.9rem;
  display: grid;
  gap: 0.55rem;
}

.choice-group legend {
  padding: 0 0.35rem;
  font-weight: 800;
  color: var(--nt-blue-dark);
}

.map-placeholder {
  min-height: 220px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--nt-surface2), rgba(253, 181, 21, 0.08));
  color: var(--nt-muted);
  border: 1px solid var(--nt-border);
}

/* ── Certificate Status ── */
.certificate-status {
  padding: 1.8rem;
  border-radius: var(--radius-lg);
  margin-top: 1.5rem;
  animation: scaleIn 500ms var(--ease-spring) both;
}

.certificate-status i {
  font-size: 2.5rem;
}

.certificate-status.valid {
  background: linear-gradient(135deg, #dcfce7, #bbf7d0);
  color: #064e3b;
  border: 1px solid rgba(22, 163, 74, 0.2);
}

.certificate-status.invalid {
  background: linear-gradient(135deg, #fee2e2, #fecaca);
  color: #7f1d1d;
  border: 1px solid rgba(220, 38, 38, 0.2);
  animation: scaleIn 500ms var(--ease-spring) both, shakeX 400ms 500ms both;
}

@keyframes shakeX {

  0%,
  100% {
    transform: translateX(0);
  }

  25% {
    transform: translateX(-8px);
  }

  75% {
    transform: translateX(8px);
  }
}

/* ═══════════════════════════════════════════════════════════
   TOAST NOTIFICATIONS
   ═══════════════════════════════════════════════════════════ */
.toast-stack {
  position: fixed;
  top: calc(var(--nav-height) + 16px);
  inset-inline-end: 1rem;
  z-index: 90;
  display: grid;
  gap: 0.5rem;
}

.toast {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.2rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(16px);
  animation: slideInBlur 400ms var(--ease-out-expo) both;
  transition: opacity 400ms, transform 400ms;
}

/* ═══════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════ */
.site-footer {
  position: relative;
  background: var(--nt-blue-deep);
  color: rgba(255, 255, 255, 0.8);
  padding: 4rem 0 2rem;
  overflow: hidden;
}

[data-theme="dark"] .site-footer {
  background: #060D1A;
}

.footer-glow {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--nt-blue), var(--nt-cyan), var(--nt-gold), var(--nt-cyan), var(--nt-blue));
  background-size: 200% 100%;
  animation: gradientShift 4s ease infinite;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 2rem;
}

.footer-brand {
  color: white;
}

.footer-brand .brand-mark {
  background: rgba(255, 255, 255, 0.12);
  box-shadow: none;
}

.footer-tagline {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.55);
  max-width: 300px;
  line-height: 1.7;
}

.footer-links-col {
  display: grid;
  gap: 0.6rem;
  align-content: start;
}

.footer-links-col h4 {
  color: white;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.92rem;
  margin-bottom: 0.5rem;
}

.footer-links-col a {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.88rem;
  transition: all 250ms var(--ease-smooth);
}

.footer-links-col a:hover {
  color: white;
  padding-inline-start: 4px;
}

.footer-bottom {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
}

.footer-bottom small {
  color: rgba(255, 255, 255, 0.35);
  font-size: 0.82rem;
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 980px) {
  .mobile-menu-button {
    display: inline-flex;
  }

  .nav-links {
    position: fixed;
    top: var(--nav-height);
    inset-inline: 1rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 1.2rem;
    border: 1px solid var(--nt-border);
    border-radius: var(--radius-xl);
    background: var(--glass-bg-strong);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    box-shadow: var(--shadow-elevated);
    max-height: calc(100vh - var(--nav-height) - 2rem);
    overflow-y: auto;
    animation: fadeUp 300ms var(--ease-out-expo) both;
  }

  .brand-lockup {
    flex-basis: 220px;
    min-width: 180px;
    margin-inline-end: auto;
  }

  .nav-actions {
    margin-inline-start: auto;
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a::after {
    display: none;
  }

  .hero-grid,
  .split-section,
  .detail-grid,
  .calendar-layout,
  .join-intro,
  .join-layout,
  .forms-two,
  .prose-grid,
  .card-grid:not(.three) {
    grid-template-columns: 1fr;
  }

  .join-intro {
    align-items: start;
  }

  .hero-visual {
    min-height: 380px;
  }

  .stat-grid,
  .card-grid.three,
  .team-grid,
  .benefits-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .join-benefits {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 620px) {
  .brand-lockup {
    flex-basis: 170px;
    min-width: 160px;
    width: 170px;
  }

  .brand-mark-img {
    height: 170px;
    transform: translateY(-50%) translateX(22px);
  }

  .brand-lockup small {
    display: none;
  }

  .hero-section {
    min-height: auto;
    padding-top: 3rem;
  }

  .stat-grid,
  .card-grid.three,
  .team-grid,
  .benefits-grid:not(.join-benefits) {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 1.5rem;
    margin-bottom: -1.5rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .stat-grid::-webkit-scrollbar,
  .card-grid.three::-webkit-scrollbar,
  .team-grid::-webkit-scrollbar,
  .benefits-grid:not(.join-benefits)::-webkit-scrollbar {
    display: none;
  }

  .stat-grid>*,
  .card-grid.three>*,
  .team-grid>*,
  .benefits-grid:not(.join-benefits)>* {
    flex: 0 0 85%;
    scroll-snap-align: center;
  }

  .join-benefits,
  .join-fieldset {
    grid-template-columns: 1fr;
  }

  .join-form-head {
    align-items: center;
  }

  .society-panel {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .society-icon {
    margin: 0 auto;
  }

  .timeline article {
    grid-template-columns: 1fr;
  }

  .floating-tech-card {
    width: 170px;
  }

  .page-hero {
    padding: 3rem 0 2rem;
  }

  .section {
    padding: 2rem 0;
  }

  .impact-strip,
  .gallery-grid {
    grid-template-columns: 1fr;
  }
}

/* ═══════════════════════════════════════════════════════════
   LUXURY 3D & INTERACTIVE ELEMENTS
   ═══════════════════════════════════════════════════════════ */
.tilt-card {
  transform-style: preserve-3d;
  perspective: 1000px;
}

.tilt-card > * {
  transform: translateZ(20px);
}

.magnetic {
  display: inline-block;
  transition: transform 0.1s cubic-bezier(0.25, 1, 0.5, 1);
  will-change: transform;
}

/* ── Deep Volumetric Background Orbs ── */
.luxury-orbs {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: float3D 15s infinite alternate ease-in-out;
  transform-style: preserve-3d;
}

.orb-1 {
  width: 400px;
  height: 400px;
  background: var(--gradient-blue);
  top: -100px;
  left: -100px;
  animation-delay: -2s;
}

.orb-2 {
  width: 500px;
  height: 500px;
  background: rgba(0, 40, 85, 0.8);
  bottom: -200px;
  right: -100px;
  animation-delay: -5s;
}

/* ── Auto Scroll Utilities ── */
.auto-scroll-mobile {
  /* Hide scrollbar for a cleaner auto-scroll look */
  -ms-overflow-style: none;  /* IE and Edge */
  scrollbar-width: none;  /* Firefox */
}

.auto-scroll-mobile::-webkit-scrollbar {
  display: none;
}

.auto-scroll-mobile.is-auto-scrolling {
  scroll-snap-type: none !important;
  scroll-behavior: auto !important;
}