/* ==========================================================================
   EPIC CLUB - OFFICIAL DESIGN SYSTEM & STYLES
   Faculty of Medicine of Sétif, Algeria
   Brand Colors:
   - Signature Cyan: #00B8D9
   - Ice Light Background: #F4FBFD
   - Emerald Mint: #35BFA3
   - Solar Warm Yellow: #FCE445
   - Deep Navy Indigo: #172B4D
   - Midnight Deep Blue: #102A43
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Space+Mono:wght@400;700&display=swap');

:root {
  /* Core Brand Tokens */
  --cyan: #00B8D9;
  --cyan-hover: #009dbb;
  --cyan-subtle: rgba(0, 184, 217, 0.08);
  --cyan-glow: rgba(0, 184, 217, 0.28);
  
  --ice: #F4FBFD;
  --ice-alt: #EBF7FB;
  --ice-border: #D8EEF5;
  
  --mint: #35BFA3;
  --mint-hover: #2ba58c;
  --mint-subtle: rgba(53, 191, 163, 0.1);
  --mint-glow: rgba(53, 191, 163, 0.3);
  
  --yellow: #FCE445;
  --yellow-glow: rgba(252, 228, 69, 0.35);
  --yellow-subtle: rgba(252, 228, 69, 0.12);
  
  --navy: #172B4D;
  --navy-light: #253858;
  --navy-muted: #42526E;
  
  --midnight: #102A43;
  --midnight-deep: #0B1D30;
  
  --white: #FFFFFF;
  --text-dark: #102A43;
  --text-body: #334E68;
  --text-muted: #627D98;
  --text-subtle: #829AB1;
  
  --border-light: rgba(16, 42, 67, 0.08);
  --border-glass: rgba(255, 255, 255, 0.4);
  
  /* Typography */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Space Mono', monospace;
  
  /* Radii */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(16, 42, 67, 0.04);
  --shadow-md: 0 8px 24px -4px rgba(16, 42, 67, 0.07), 0 2px 6px -1px rgba(16, 42, 67, 0.03);
  --shadow-lg: 0 20px 40px -8px rgba(16, 42, 67, 0.1), 0 6px 16px -2px rgba(16, 42, 67, 0.04);
  --shadow-glow-cyan: 0 0 36px rgba(0, 184, 217, 0.24);
  --shadow-card: 0 4px 20px rgba(16, 42, 67, 0.05);

  /* Transitions */
  --tr-fast: 0.15s ease;
  --tr-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --tr-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   Base & Reset
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-body);
  color: var(--text-dark);
  background-color: var(--ice);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
  line-height: 1.6;
  font-size: 16px;
  background-color: var(--ice);
  color: var(--text-body);
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--tr-fast);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  transition: var(--tr-fast);
}

/* Container */
.container {
  width: 100%;
  max-width: 1260px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  width: 100%;
  max-width: 980px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Section Common */
.section {
  padding: 100px 0;
  position: relative;
}

.section-dark {
  background-color: var(--midnight);
  color: #F0F4F8;
}

.section-alt {
  background-color: #FFFFFF;
}

/* Editorial Badges & Eyebrows */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: var(--cyan-subtle);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  border: 1px solid var(--border-cyan);
  margin-bottom: 20px;
}

.eyebrow.eyebrow-dark {
  background: rgba(0, 184, 217, 0.12);
  color: #4FE3FA;
  border-color: rgba(79, 227, 250, 0.25);
}

.eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

/* Headings */
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 60px auto;
}

.section-header.text-left {
  text-align: left;
  margin-left: 0;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 44px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--midnight);
  margin-bottom: 18px;
}

.section-dark .section-title {
  color: #FFFFFF;
}

.section-desc {
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.65;
}

.section-dark .section-desc {
  color: #9FB3C8;
}

/* ==========================================================================
   Buttons & Interactive Elements
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 700;
  border-radius: var(--radius-full);
  transition: all var(--tr-normal);
  text-decoration: none;
  cursor: pointer;
  line-height: 1;
}

.btn-primary {
  background: linear-gradient(135deg, var(--cyan) 0%, #0099b8 100%);
  color: #FFFFFF;
  box-shadow: 0 6px 20px rgba(0, 184, 217, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(0, 184, 217, 0.45);
  background: linear-gradient(135deg, #02c5e8 0%, #00a4c5 100%);
}

.btn-secondary {
  background: #FFFFFF;
  color: var(--midnight);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--ice);
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-mint {
  background: linear-gradient(135deg, var(--mint) 0%, #2ba58c 100%);
  color: #FFFFFF;
  box-shadow: 0 6px 20px rgba(53, 191, 163, 0.35);
}

.btn-mint:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(53, 191, 163, 0.45);
}

.btn-yellow {
  background: var(--yellow);
  color: var(--midnight);
  font-weight: 800;
  box-shadow: 0 6px 20px rgba(252, 228, 69, 0.4);
}

.btn-yellow:hover {
  transform: translateY(-2px);
  background: #ffeb55;
  box-shadow: 0 10px 28px rgba(252, 228, 69, 0.55);
}

.btn-ghost-dark {
  background: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
}

.btn-ghost-dark:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--cyan);
  color: #4FE3FA;
  transform: translateY(-2px);
}

.btn-arrow-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transition: transform var(--tr-fast);
}

.btn:hover .btn-arrow-icon {
  transform: translateX(3px);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(244, 251, 253, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(16, 42, 67, 0.06);
  transition: all var(--tr-normal);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  border-bottom-color: var(--border-light);
  box-shadow: 0 4px 20px rgba(16, 42, 67, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.brand-logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
  transition: transform var(--tr-fast);
}

.brand-logo-wrap:hover .brand-logo-img {
  transform: scale(1.02);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-body);
  position: relative;
  padding: 6px 0;
  transition: color var(--tr-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--cyan);
  border-radius: 2px;
  transition: width var(--tr-normal);
}

.nav-link:hover {
  color: var(--cyan);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-register-btn {
  padding: 10px 22px;
  font-size: 14px;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  padding: 10px;
  z-index: 1010;
}

.mobile-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--midnight);
  border-radius: 2px;
  transition: all var(--tr-normal);
}

.mobile-toggle.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-toggle.is-active span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  padding: 70px 0 100px;
  overflow: hidden;
  background: radial-gradient(circle at 10% 20%, rgba(0, 184, 217, 0.08) 0%, transparent 45%),
              radial-gradient(circle at 90% 80%, rgba(53, 191, 163, 0.08) 0%, transparent 45%),
              var(--ice);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  align-items: center;
  gap: 60px;
}

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

.hero-title {
  font-family: var(--font-heading);
  font-size: 58px;
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--midnight);
  margin-bottom: 24px;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, var(--cyan) 0%, #007799 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-subtext {
  font-size: 20px;
  line-height: 1.6;
  color: var(--text-body);
  margin-bottom: 36px;
  max-width: 540px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-proof {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
}

.avatar-stack {
  display: flex;
  align-items: center;
}

.avatar-stack-item {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 2px solid #FFFFFF;
  margin-left: -10px;
  background: var(--navy);
  color: #FFFFFF;
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.avatar-stack-item:first-child {
  margin-left: 0;
}

.avatar-stack-item.badge-count {
  background: var(--cyan);
  color: #FFFFFF;
}

.avatar-stack-item.badge-mint {
  background: var(--mint);
}

.avatar-stack-item.badge-yellow {
  background: var(--yellow);
  color: var(--midnight);
}

.hero-proof-text {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.4;
}

.hero-proof-text strong {
  color: var(--midnight);
  display: block;
}

/* Hero Visual Showcase */
.hero-visual {
  position: relative;
  z-index: 1;
}

.hero-card-frame {
  position: relative;
  background: #FFFFFF;
  border-radius: var(--radius-xl);
  padding: 16px;
  box-shadow: var(--shadow-lg), 0 0 50px rgba(0, 184, 217, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.8);
  overflow: hidden;
}

.hero-img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background-color: var(--midnight);
}

.hero-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.hero-card-frame:hover .hero-photo {
  transform: scale(1.03);
}

.hero-photo-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(16, 42, 67, 0.1) 0%, rgba(16, 42, 67, 0.7) 100%);
  pointer-events: none;
}

.hero-photo-caption {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  z-index: 2;
}

.hero-photo-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(16, 42, 67, 0.75);
  backdrop-filter: blur(8px);
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-photo-tag span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--mint);
}

.hero-live-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  background: rgba(0, 184, 217, 0.9);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-weight: 700;
  color: #FFFFFF;
}

/* ECG Strip Waveform */
.ecg-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px 6px;
  background: #FFFFFF;
}

.ecg-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  color: var(--midnight);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.ecg-svg {
  width: 140px;
  height: 24px;
}

.ecg-path {
  stroke-dasharray: 400;
  stroke-dashoffset: 400;
  animation: ecgDash 3s linear infinite;
}

@keyframes ecgDash {
  to {
    stroke-dashoffset: 0;
  }
}

/* Floating Micro Cards */
.hero-float-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 3;
  animation: floatCard 4s ease-in-out infinite alternate;
}

.hero-float-card.card-top {
  top: -24px;
  right: -20px;
  border-left: 4px solid var(--cyan);
}

.hero-float-card.card-bottom {
  bottom: -20px;
  left: -24px;
  border-left: 4px solid var(--mint);
  animation-delay: -2s;
}

@keyframes floatCard {
  0% { transform: translateY(0px); }
  100% { transform: translateY(-8px); }
}

.float-icon-box {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.float-icon-box.cyan {
  background: var(--cyan-subtle);
  color: var(--cyan);
}

.float-icon-box.mint {
  background: var(--mint-subtle);
  color: var(--mint);
}

.float-text strong {
  display: block;
  font-size: 13px;
  color: var(--midnight);
  line-height: 1.2;
}

.float-text span {
  font-size: 11px;
  color: var(--text-muted);
}

/* ==========================================================================
   About EPIC Section
   ========================================================================== */
.about-section {
  background-color: #FFFFFF;
}

.about-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 70px;
}

.about-lead {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--midnight);
  margin-bottom: 20px;
}

.about-body-text {
  font-size: 16px;
  color: var(--text-body);
  line-height: 1.7;
  margin-bottom: 16px;
}

.about-highlight-box {
  background: var(--ice);
  border: 1px solid var(--ice-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  overflow: hidden;
}

.about-highlight-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--cyan) 0%, var(--mint) 100%);
}

.highlight-quote {
  font-size: 18px;
  font-style: italic;
  font-weight: 600;
  color: var(--midnight);
  line-height: 1.5;
  margin-bottom: 16px;
}

.highlight-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.highlight-author-info strong {
  display: block;
  font-size: 14px;
  color: var(--midnight);
}

.highlight-author-info span {
  font-size: 12px;
  color: var(--text-muted);
}

/* Four Pillars Grid */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}

.pillar-card {
  background: var(--ice);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  position: relative;
  transition: all var(--tr-normal);
  display: flex;
  flex-direction: column;
}

.pillar-card:hover {
  transform: translateY(-6px);
  background: #FFFFFF;
  box-shadow: var(--shadow-lg);
  border-color: var(--cyan);
}

.pillar-letter {
  font-family: var(--font-heading);
  font-size: 52px;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 12px;
  display: inline-block;
}

.pillar-card:nth-child(1) .pillar-letter { color: var(--cyan); }
.pillar-card:nth-child(2) .pillar-letter { color: #E65100; }
.pillar-card:nth-child(3) .pillar-letter { color: var(--mint); }
.pillar-card:nth-child(4) .pillar-letter { color: #E5A100; }

.pillar-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--midnight);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.pillar-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Live Stats Counter Strip */
.stats-counter-strip {
  background: linear-gradient(135deg, var(--midnight) 0%, var(--navy) 100%);
  border-radius: var(--radius-xl);
  padding: 48px;
  color: #FFFFFF;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.stats-counter-strip::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 184, 217, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.stat-item {
  position: relative;
  z-index: 1;
}

.stat-number-wrap {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 6px;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 48px;
  font-weight: 800;
  line-height: 1;
  color: #FFFFFF;
}

.stat-item:nth-child(1) .stat-number { color: #4FE3FA; }
.stat-item:nth-child(2) .stat-number { color: #5FE2C5; }
.stat-item:nth-child(3) .stat-number { color: var(--yellow); }
.stat-item:nth-child(4) .stat-number { color: #FFFFFF; }

.stat-plus {
  font-size: 28px;
  font-weight: 800;
  color: var(--cyan);
}

.stat-label {
  font-size: 14px;
  font-weight: 600;
  color: #B0C4DE;
  line-height: 1.4;
}

/* ==========================================================================
   Previous Activities Gallery
   ========================================================================== */
.activities-section {
  background-color: var(--ice);
}

/* Filter Controls */
.gallery-filters {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.filter-btn {
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-full);
  background: #FFFFFF;
  color: var(--text-body);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: all var(--tr-fast);
}

.filter-btn:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: #FFFFFF;
}

.filter-btn.active {
  background: var(--midnight);
  color: #FFFFFF;
  border-color: var(--midnight);
  box-shadow: 0 4px 14px rgba(16, 42, 67, 0.2);
}

/* Activities Grid */
.activities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 50px;
}

.activity-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all var(--tr-normal);
  display: flex;
  flex-direction: column;
}

.activity-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--cyan);
}

.activity-card-header {
  padding: 24px 24px 12px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.activity-track-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.track-clinical { background: var(--cyan-subtle); color: var(--cyan); border: 1px solid var(--border-cyan); }
.track-health { background: var(--mint-subtle); color: var(--mint); border: 1px solid rgba(53, 191, 163, 0.25); }
.track-research { background: rgba(23, 43, 77, 0.08); color: var(--navy); border: 1px solid rgba(23, 43, 77, 0.15); }
.track-community { background: var(--yellow-subtle); color: #9A7B00; border: 1px solid rgba(252, 228, 69, 0.4); }

.activity-date {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

.activity-body {
  padding: 0 24px 20px;
  flex-grow: 1;
}

.activity-title {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--midnight);
  line-height: 1.3;
  margin-bottom: 12px;
}

.activity-desc {
  font-size: 14px;
  color: var(--text-body);
  line-height: 1.6;
  margin-bottom: 16px;
}

.activity-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: var(--text-muted);
  padding: 12px 0 0;
  border-top: 1px dashed var(--border-light);
}

.meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.activity-card-footer {
  padding: 14px 24px;
  background: var(--ice);
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.view-details-link {
  font-size: 13px;
  font-weight: 700;
  color: var(--cyan);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.view-details-link:hover {
  color: var(--cyan-hover);
  text-decoration: underline;
}

/* ==========================================================================
/* ==========================================================================
   Departments Section (Seven Departments)
   ========================================================================== */
.departments-section {
  background-color: #FFFFFF;
  padding: 100px 0;
  position: relative;
}

.departments-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.dept-card {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all var(--tr-normal);
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.dept-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 28px -4px rgba(16, 42, 67, 0.08);
  border-color: var(--cyan);
}

.dept-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}

.dept-icon-box {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--tr-fast);
}

.dept-icon-box.cyan {
  background: var(--cyan-subtle);
  color: var(--cyan);
  border: 1px solid var(--border-cyan);
}

.dept-icon-box.mint {
  background: var(--mint-subtle);
  color: var(--mint);
  border: 1px solid rgba(53, 191, 163, 0.25);
}

.dept-card:hover .dept-icon-box.cyan {
  background: var(--cyan);
  color: #FFFFFF;
}

.dept-card:hover .dept-icon-box.mint {
  background: var(--mint);
  color: #FFFFFF;
}

.dept-number-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--text-subtle);
  letter-spacing: 0.8px;
}

.dept-title {
  font-family: var(--font-heading);
  font-size: 19px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.dept-desc {
  font-size: 14.5px;
  color: var(--text-body);
  line-height: 1.6;
  margin-bottom: 24px;
  flex-grow: 1;
}

.dept-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  border-top: 1px solid var(--border-light);
}

.dept-apply-link {
  font-size: 13px;
  font-weight: 700;
  color: var(--cyan);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  transition: all var(--tr-fast);
}

.dept-apply-link:hover {
  color: var(--cyan-hover);
}

.dept-apply-link svg {
  transition: transform var(--tr-fast);
}

.dept-card:hover .dept-apply-link svg {
  transform: translateX(3px);
}

.dept-badge-pill {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--ice);
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

/* Center 7th Department on 3-col desktop layout */
@media (min-width: 1081px) {
  .departments-grid .dept-card:nth-child(7) {
    grid-column: 2;
  }
}

/* ==========================================================================
   Final Registration CTA Section
   ========================================================================== */
.final-cta-section {
  padding: 120px 0;
  background: radial-gradient(circle at 10% 50%, rgba(0, 184, 217, 0.25) 0%, transparent 50%),
              radial-gradient(circle at 90% 50%, rgba(53, 191, 163, 0.25) 0%, transparent 50%),
              var(--midnight);
  color: #FFFFFF;
  position: relative;
  overflow: hidden;
}

.final-cta-box {
  background: rgba(23, 43, 77, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 80px 60px;
  text-align: center;
  max-width: 980px;
  margin: 0 auto;
  box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.4), var(--shadow-glow-cyan);
  position: relative;
  z-index: 2;
}

.final-cta-title {
  font-family: var(--font-heading);
  font-size: 52px;
  font-weight: 800;
  line-height: 1.1;
  color: #FFFFFF;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.final-cta-desc {
  font-size: 20px;
  color: #B0C4DE;
  max-width: 680px;
  margin: 0 auto 40px auto;
  line-height: 1.6;
}

.final-cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.final-cta-register {
  padding: 18px 42px;
  font-size: 17px;
  font-weight: 800;
}

.final-cta-status {
  padding: 18px 36px;
  font-size: 16px;
}

.cta-guarantee-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  font-size: 13px;
  color: #829AB1;
}

.cta-guarantee-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.cta-guarantee-item svg {
  color: var(--mint);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: var(--midnight-deep);
  color: #9FB3C8;
  padding: 80px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: #829AB1;
  margin: 20px 0 24px;
  max-width: 320px;
}

.footer-social-links {
  display: flex;
  align-items: center;
  gap: 12px;
}

.social-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--tr-fast);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-btn:hover {
  background: var(--cyan);
  color: #FFFFFF;
  transform: translateY(-2px);
  border-color: var(--cyan);
}

.footer-col-title {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 24px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-nav-list {
  list-style: none;
}

.footer-nav-list li {
  margin-bottom: 12px;
}

.footer-nav-list a {
  font-size: 14px;
  color: #829AB1;
  transition: color var(--tr-fast);
}

.footer-nav-list a:hover {
  color: var(--cyan);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 14px;
  color: #829AB1;
}

.footer-contact-item svg {
  color: var(--cyan);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-bottom-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 13px;
  color: #627D98;
}

/* ==========================================================================
   Modals & Drawers
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(16, 42, 67, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--tr-normal);
}

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

.modal-card {
  background: #FFFFFF;
  border-radius: var(--radius-xl);
  max-width: 640px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 36px;
  position: relative;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  transform: scale(0.95) translateY(10px);
  transition: transform var(--tr-normal);
}

.modal-backdrop.is-open .modal-card {
  transform: scale(1) translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--ice);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-body);
  transition: all var(--tr-fast);
}

.modal-close-btn:hover {
  background: var(--midnight);
  color: #FFFFFF;
}

/* ==========================================================================
   Registration Page Dedicated Styles
   ========================================================================== */
.register-page-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: radial-gradient(circle at 10% 20%, rgba(0, 184, 217, 0.08) 0%, transparent 45%),
              radial-gradient(circle at 90% 80%, rgba(53, 191, 163, 0.08) 0%, transparent 45%),
              var(--ice);
}

.register-main {
  flex-grow: 1;
  padding: 40px 0 80px;
}

.register-layout {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 50px;
  align-items: flex-start;
}

.register-sidebar {
  position: sticky;
  top: 100px;
}

.register-card-shell {
  background: #FFFFFF;
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-light);
}

.form-group {
  margin-bottom: 22px;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--midnight);
  margin-bottom: 8px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 13px 16px;
  font-family: inherit;
  font-size: 15px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  background-color: var(--ice);
  color: var(--midnight);
  transition: all var(--tr-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  background-color: #FFFFFF;
  border-color: var(--cyan);
  box-shadow: 0 0 0 4px var(--cyan-subtle);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-help {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 6px;
}

/* Success Card */
.reg-success-card {
  text-align: center;
  padding: 40px 20px;
}

.success-badge-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--mint-subtle);
  color: var(--mint);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  box-shadow: 0 0 30px var(--mint-glow);
}

.reg-code-display {
  background: var(--ice);
  border: 2px dashed var(--cyan);
  border-radius: var(--radius-md);
  padding: 20px;
  margin: 28px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.reg-code-text {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 1px;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1080px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }
  .hero-visual {
    max-width: 580px;
    margin: 0 auto;
  }
  .pillars-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-counter-strip {
    grid-template-columns: repeat(2, 1fr);
    gap: 36px;
  }
  .activities-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .departments-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .dept-card-wide {
    grid-column: span 2;
  }
  .footer-top-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
  .register-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 70px 0;
  }
  .mobile-toggle {
    display: flex;
  }
  .nav-menu {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: #FFFFFF;
    flex-direction: column;
    padding: 30px 24px;
    gap: 20px;
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid var(--border-light);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--tr-normal);
  }
  .nav-menu.is-active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .hero-title {
    font-size: 42px;
  }
  .section-title {
    font-size: 34px;
  }
  .about-intro-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .pillars-grid {
    grid-template-columns: 1fr;
  }
  .activities-grid {
    grid-template-columns: 1fr;
  }
  .departments-grid {
    grid-template-columns: 1fr;
  }
  .dept-card-wide {
    grid-column: span 1;
    grid-template-columns: 1fr;
  }
  .stats-counter-strip {
    grid-template-columns: 1fr;
    padding: 32px 24px;
  }
  .final-cta-box {
    padding: 50px 24px;
  }
  .final-cta-title {
    font-size: 36px;
  }
  .footer-top-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom-bar {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
}