/* ============================================================
   ALTITUDE 2026 — PREMIUM DESIGN SYSTEM v5.0
   Rotaract District 3206 · Ooty Trekking Event
   Error-free · Production Ready
   ============================================================ */

:root {
  /* Greens */
  --green-950: #051D08;
  --green-900: #0D3B12;
  --green-850: #164118;
  --green-800: #1B5E20;
  --green-750: #256B29;
  --green-700: #2E7D32;
  --green-600: #388E3C;
  --green-500: #4CAF50;
  --green-400: #66BB6A;
  --green-300: #81C784;
  --green-200: #A5D6A7;
  --green-100: #C8E6C9;
  --green-50: #E8F5E9;
  --green-25: #F1F8F1;

  /* Neutrals */
  --black: #0A0A0A;
  --gray-950: #121212;
  --gray-900: #1A1A1A;
  --gray-850: #232323;
  --gray-800: #2D2D2D;
  --gray-700: #404040;
  --gray-600: #555555;
  --gray-500: #717171;
  --gray-400: #9E9E9E;
  --gray-300: #C4C4C4;
  --gray-200: #E0E0E0;
  --gray-150: #EAEAEA;
  --gray-100: #F0F0F0;
  --gray-50: #F8F9FA;
  --gray-25: #FCFCFD;
  --white: #FFFFFF;

  /* Semantic */
  --red: #D32F2F;
  --red-light: #FFEBEE;
  --orange: #F57C00;
  --orange-light: #FFF3E0;
  --blue: #1565C0;
  --blue-light: #E3F2FD;
  --yellow: #F9A825;
  --yellow-light: #FFFDE7;
  --purple: #7B1FA2;
  --teal: #00897B;
  --gold: #FF8F00;
  --pink: #E91E63;

  /* Gradients */
  --grad-hero: linear-gradient(135deg, #051D08 0%, #0D3B12 25%, #1B5E20 55%, #2E7D32 100%);
  --grad-hero-radial: radial-gradient(ellipse at top, #2E7D32 0%, #0D3B12 60%, #051D08 100%);
  --grad-green: linear-gradient(135deg, #1B5E20 0%, #388E3C 100%);
  --grad-green-lg: linear-gradient(135deg, #0D3B12 0%, #1B5E20 40%, #388E3C 100%);
  --grad-green-light: linear-gradient(135deg, #E8F5E9 0%, #FFFFFF 100%);
  --grad-btn: linear-gradient(135deg, #2E7D32 0%, #4CAF50 50%, #66BB6A 100%);
  --grad-btn-hover: linear-gradient(135deg, #4CAF50 0%, #66BB6A 50%, #81C784 100%);
  --grad-text: linear-gradient(135deg, #FFFFFF 0%, #A5D6A7 50%, #FFFFFF 100%);
  --grad-text-green: linear-gradient(135deg, #1B5E20 0%, #4CAF50 50%, #388E3C 100%);
  --grad-dark: linear-gradient(135deg, #0A0A0A 0%, #1A1A1A 100%);
  --grad-glass: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.05));
  --grad-shine: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.4) 50%, transparent 70%);

  /* Typography */
  --font-heading: 'Montserrat', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-accent: 'Playfair Display', Georgia, serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Courier New', monospace;

  /* Spacing */
  --space-3xs: 0.125rem;
  --space-2xs: 0.25rem;
  --space-xs: 0.375rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Radius */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.10), 0 4px 12px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 50px rgba(0,0,0,0.15), 0 8px 20px rgba(0,0,0,0.08);
  --shadow-2xl: 0 25px 75px rgba(0,0,0,0.20), 0 12px 30px rgba(0,0,0,0.12);
  --shadow-green: 0 8px 30px rgba(27,94,32,0.25);
  --shadow-green-lg: 0 16px 50px rgba(27,94,32,0.35);
  --shadow-glow: 0 0 40px rgba(76,175,80,0.5);
  --shadow-inner: inset 0 2px 4px rgba(0,0,0,0.06);
  --shadow-card: 0 2px 16px rgba(0,0,0,0.06);
  --shadow-focus: 0 0 0 4px rgba(76,175,80,0.18);

  /* Timing */
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-out-back: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-in-out-quart: cubic-bezier(0.76, 0, 0.24, 1);

  --transition-fast: 0.15s var(--ease-out-quart);
  --transition-base: 0.3s var(--ease-out-quart);
  --transition-slow: 0.5s var(--ease-out-quart);
  --transition-bounce: 0.5s var(--ease-out-back);

  /* Layout */
  --nav-height: 72px;
  --container-max: 1200px;
  --container-wide: 1400px;

  /* Blur */
  --blur-xs: 4px;
  --blur-sm: 8px;
  --blur-md: 16px;
  --blur-lg: 24px;

  /* Z-index */
  --z-nav: 1000;
  --z-modal: 10000;
  --z-toast: 99999;
  --z-preloader: 100000;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--nav-height) + 20px);
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-body);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
}

img, svg, video, picture {
  max-width: 100%;
  height: auto;
  display: block;
}

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

ul, ol { list-style: none; }

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  border: none;
  outline: none;
  background: none;
}

button {
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
}

::selection { background: var(--green-500); color: var(--white); }
::-moz-selection { background: var(--green-500); color: var(--white); }

:focus-visible {
  outline: 2px solid var(--green-500);
  outline-offset: 3px;
  border-radius: var(--radius-xs);
}

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--gray-100); border-radius: 5px; }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--green-400), var(--green-600));
  border-radius: 5px;
  border: 2px solid var(--gray-100);
}
::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--green-500), var(--green-700));
}
* {
  scrollbar-width: thin;
  scrollbar-color: var(--green-500) var(--gray-100);
}

/* ==================== TYPOGRAPHY ==================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 800;
  line-height: 1.15;
  color: var(--gray-900);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); letter-spacing: -0.03em; font-weight: 900; }
h2 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); letter-spacing: -0.015em; }
h4 { font-size: clamp(1.1rem, 2.5vw, 1.35rem); }

p { color: var(--gray-600); line-height: 1.75; }
strong { color: var(--gray-900); font-weight: 700; }
code, pre { font-family: var(--font-mono); font-size: 0.9em; }

/* ==================== LAYOUT ==================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container-wide { max-width: var(--container-wide); }

.section {
  padding: var(--space-4xl) 0;
  position: relative;
  overflow: hidden;
}

.section-white { background: var(--white); }

.section-light {
  background: var(--gray-50);
  background-image:
    radial-gradient(circle at 10% 20%, rgba(76,175,80,0.04) 0%, transparent 50%),
    radial-gradient(circle at 90% 80%, rgba(129,199,132,0.05) 0%, transparent 50%);
}

.section-green {
  background: var(--grad-hero-radial);
  color: var(--white);
  position: relative;
}

.section-green::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(129,199,132,0.18) 0%, transparent 55%),
    radial-gradient(circle at 80% 70%, rgba(76,175,80,0.12) 0%, transparent 50%);
  pointer-events: none;
}

.section-green > .container { position: relative; z-index: 2; }
.section-green p { color: rgba(255,255,255,0.85); }

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: var(--green-700);
  background: linear-gradient(135deg, var(--green-50), var(--white));
  padding: 8px 20px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
  border: 1px solid var(--green-100);
  box-shadow: var(--shadow-xs), 0 2px 6px rgba(76,175,80,0.08);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.section-tag::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-shine);
  transform: translateX(-100%);
  transition: transform 0.8s var(--ease-out-quart);
}

.section-tag:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm), 0 6px 20px rgba(76,175,80,0.15);
  border-color: var(--green-300);
}

.section-tag:hover::before { transform: translateX(100%); }

.section-tag.light {
  color: var(--green-100);
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.15);
  backdrop-filter: blur(var(--blur-sm));
  -webkit-backdrop-filter: blur(var(--blur-sm));
}

.section-tag i {
  width: 14px;
  height: 14px;
  position: relative;
  z-index: 1;
}

.section-title {
  margin-bottom: var(--space-sm);
  position: relative;
  display: inline-block;
}

.section-title.white { color: var(--white); }

.section-divider {
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--green-500), var(--green-300));
  border-radius: 2px;
  margin: var(--space-md) auto;
  position: relative;
  overflow: hidden;
}

.section-divider::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.8), transparent);
  animation: shimmer 2.5s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(200%); }
}

.section-divider.light {
  background: linear-gradient(90deg, var(--green-200), rgba(255,255,255,0.6));
}

.section-subtitle {
  font-size: 1.05rem;
  max-width: 640px;
  margin: 0 auto;
  color: var(--gray-500);
  line-height: 1.7;
}

.section-subtitle.white { color: rgba(255,255,255,0.8); }

/* ==================== BUTTONS ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 13px 28px;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  border: none;
  text-decoration: none;
  isolation: isolate;
  letter-spacing: 0.01em;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--grad-shine);
  transition: left 0.7s var(--ease-out-quart);
  z-index: 1;
  pointer-events: none;
}

.btn:hover::before { left: 100%; }

.btn > * {
  position: relative;
  z-index: 2;
}

.btn i {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.btn-primary {
  background: var(--grad-btn);
  color: var(--white);
  box-shadow: var(--shadow-green), inset 0 1px 0 rgba(255,255,255,0.2);
  background-size: 200% 200%;
  background-position: 0% 50%;
}

.btn-primary:hover {
  background-position: 100% 50%;
  transform: translateY(-3px);
  box-shadow: var(--shadow-green-lg);
}

.btn-primary:active {
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--white);
  color: var(--green-700);
  border: 2px solid var(--green-200);
  box-shadow: var(--shadow-xs);
}

.btn-secondary:hover {
  background: var(--green-50);
  border-color: var(--green-500);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: rgba(255,255,255,0.06);
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.3);
  backdrop-filter: blur(var(--blur-sm));
  -webkit-backdrop-filter: blur(var(--blur-sm));
}

.btn-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--white);
  transform: translateY(-3px);
}

.btn-danger {
  background: linear-gradient(135deg, #E53935, var(--red));
  color: var(--white);
  box-shadow: 0 8px 20px rgba(211,47,47,0.25);
}

.btn-danger:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(211,47,47,0.35);
}

.btn-large {
  padding: 16px 36px;
  font-size: 1.05rem;
}

.btn-small {
  padding: 8px 18px;
  font-size: 0.85rem;
}

.btn-block { width: 100%; }

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-500);
  transition: all var(--transition-fast);
}

.btn-icon:hover {
  background: var(--green-50);
  color: var(--green-700);
  transform: scale(1.1);
}

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

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--green-700);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
}

.btn-link:hover {
  color: var(--green-500);
  background: var(--green-50);
}

.btn-link i { width: 16px; height: 16px; }

/* ==================== PRELOADER ==================== */
#preloader {
  position: fixed;
  inset: 0;
  background: var(--grad-hero-radial);
  z-index: var(--z-preloader);
  display: flex;
  align-items: center;
  justify-content: center;
}

.preloader-content {
  text-align: center;
  color: var(--white);
}

.preloader-logo {
  width: 110px;
  height: auto;
  object-fit: contain;
  margin: 0 auto var(--space-xl);
  animation: pulseLogo 1.5s ease-in-out infinite;
  filter: drop-shadow(0 8px 30px rgba(0,0,0,0.4));
}

@keyframes pulseLogo {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.85; transform: scale(0.94); }
}

.preloader-bar {
  width: 220px;
  height: 3px;
  background: rgba(255,255,255,0.15);
  border-radius: 2px;
  margin: 0 auto var(--space-md);
  overflow: hidden;
  position: relative;
}

.preloader-progress {
  position: absolute;
  width: 40%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--green-300), var(--green-100), var(--green-300), transparent);
  border-radius: 2px;
  animation: preloaderSlide 1.4s ease-in-out infinite;
}

@keyframes preloaderSlide {
  0% { left: -40%; }
  100% { left: 100%; }
}

.preloader-content p {
  color: rgba(255,255,255,0.7);
  font-size: 0.82rem;
  letter-spacing: 1.5px;
  font-weight: 500;
}

/* ==================== ANNOUNCEMENT BAR ==================== */
.announcement-bar {
  background: linear-gradient(90deg, var(--green-950), var(--green-800), var(--green-950));
  color: var(--white);
  padding: 12px 0;
  font-size: 0.85rem;
  position: relative;
  z-index: 1001;
  overflow: hidden;
}

.announcement-bar::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(129,199,132,0.2), transparent);
  animation: shimmer 4s infinite;
}

.announcement-bar .container {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  position: relative;
  z-index: 2;
}

.announcement-bar i {
  width: 16px;
  height: 16px;
  color: var(--yellow);
  flex-shrink: 0;
}

.close-announcement {
  margin-left: auto;
  color: rgba(255,255,255,0.6);
  padding: 4px;
  border-radius: var(--radius-xs);
  transition: all var(--transition-fast);
}

.close-announcement:hover {
  color: var(--white);
  background: rgba(255,255,255,0.1);
  transform: rotate(90deg);
}

.close-announcement i {
  width: 16px;
  height: 16px;
  color: rgba(255,255,255,0.8);
}

/* ==================== NAVIGATION ==================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: var(--z-nav);
  transition: all var(--transition-base);
  background: rgba(10, 10, 10, 0.35);
  backdrop-filter: blur(var(--blur-md)) saturate(180%);
  -webkit-backdrop-filter: blur(var(--blur-md)) saturate(180%);
}

.navbar.scrolled {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(var(--blur-lg)) saturate(180%);
  -webkit-backdrop-filter: blur(var(--blur-lg)) saturate(180%);
  box-shadow: 0 4px 30px rgba(0,0,0,0.25);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  height: 64px;
}

.navbar-simple {
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(var(--blur-lg));
  -webkit-backdrop-filter: blur(var(--blur-lg));
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-md);
}

.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.nav-logo img {
  height: 36px;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition-base);
  display: block;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.3));
}

.nav-logo:hover img { transform: scale(1.08); }

.nav-menu {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1;
}

.nav-menu li {
  display: flex;
  align-items: center;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 14px;
  font-size: 0.87rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
  line-height: 1;
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--white);
  background: rgba(255,255,255,0.12);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 3px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--green-400);
  border-radius: 2px;
  box-shadow: 0 0 8px var(--green-400);
}

.nav-link i {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.btn-nav-cta {
  background: var(--grad-btn) !important;
  color: var(--white) !important;
  font-weight: 600 !important;
  padding: 10px 22px !important;
  border-radius: var(--radius-full) !important;
  margin-left: 6px;
  box-shadow: 0 4px 15px rgba(76,175,80,0.4);
}

.btn-nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(76,175,80,0.55);
}

.btn-nav-cta.active::after { display: none; }

.btn-nav-pass {
  display: inline-flex !important;
  align-items: center;
  gap: 5px;
  border: 1px solid rgba(255,255,255,0.3) !important;
  border-radius: var(--radius-full) !important;
  padding: 8px 16px !important;
  backdrop-filter: blur(var(--blur-sm));
  -webkit-backdrop-filter: blur(var(--blur-sm));
}

.btn-nav-pass:hover {
  border-color: rgba(255,255,255,0.5) !important;
}

.btn-nav-pass i { width: 14px; height: 14px; }

.btn-nav-verifier {
  display: inline-flex !important;
  align-items: center;
  gap: 5px;
  border: 1px solid rgba(129, 199, 132, 0.5) !important;
  border-radius: var(--radius-full) !important;
  padding: 8px 16px !important;
  background: rgba(76, 175, 80, 0.15) !important;
  color: var(--green-200) !important;
  font-weight: 600 !important;
  backdrop-filter: blur(var(--blur-sm));
  -webkit-backdrop-filter: blur(var(--blur-sm));
  transition: all var(--transition-base) !important;
}

.btn-nav-verifier:hover {
  background: rgba(76, 175, 80, 0.3) !important;
  border-color: var(--green-300) !important;
  color: var(--white) !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(76,175,80,0.35);
}

.btn-nav-verifier i { width: 14px; height: 14px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 1002;
  border: none;
  cursor: pointer;
  background: none;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(6px, 6px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; transform: translateX(20px); }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(6px, -6px); }

/* ==================== HERO ==================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: var(--grad-hero-radial);
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(76,175,80,0.18) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 20%, rgba(129,199,132,0.14) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 90%, rgba(27,94,32,0.4) 0%, transparent 60%);
}

.hero-container {
  position: relative;
  z-index: 3;
  text-align: center;
}

.hero-content {
  max-width: 820px;
  margin: 0 auto;
}

.hero-logo {
  width: clamp(120px, 22vw, 200px);
  height: auto;
  object-fit: contain;
  margin: 0 auto var(--space-xl);
  filter: drop-shadow(0 8px 40px rgba(0,0,0,0.4));
  animation: heroLogoFloat 6s ease-in-out infinite;
}

@keyframes heroLogoFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.hero-tagline {
  font-size: clamp(0.85rem, 2vw, 1.1rem);
  color: var(--green-200);
  text-transform: uppercase;
  letter-spacing: 5px;
  font-weight: 600;
  margin-bottom: var(--space-md);
  opacity: 0.95;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 6.5vw, 4.8rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.05;
  margin-bottom: var(--space-xl);
  text-shadow: 0 4px 40px rgba(0,0,0,0.4);
  letter-spacing: -0.03em;
}

.gradient-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: rgba(255,255,255,0.9);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 18px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-full);
  backdrop-filter: blur(var(--blur-sm));
  -webkit-backdrop-filter: blur(var(--blur-sm));
  transition: all var(--transition-base);
}

.meta-item:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.25);
  transform: translateY(-3px);
}

.meta-item i {
  width: 16px;
  height: 16px;
  color: var(--green-300);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
}

.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
}

.scroll-indicator span {
  display: block;
  width: 26px;
  height: 42px;
  border: 2px solid rgba(255,255,255,0.4);
  border-radius: 14px;
  position: relative;
}

.scroll-indicator span::after {
  content: '';
  width: 4px;
  height: 10px;
  background: var(--green-300);
  border-radius: 2px;
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  animation: scrollBounce 2s ease-in-out infinite;
  box-shadow: 0 0 12px var(--green-300);
}

@keyframes scrollBounce {
  0%, 100% { top: 8px; opacity: 1; }
  50% { top: 22px; opacity: 0.3; }
}

/* ==================== ABOUT ==================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  margin-bottom: var(--space-3xl);
}

.about-content p {
  font-size: 1.08rem;
  margin-bottom: var(--space-xl);
  line-height: 1.85;
  color: var(--gray-700);
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px 18px;
  background: var(--grad-green-light);
  border: 1px solid var(--green-100);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--green-800);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.highlight-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--grad-btn);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--transition-base);
}

.highlight-item:hover::before { transform: scaleY(1); }

.highlight-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--green-300);
  padding-left: 22px;
}

.highlight-item i {
  width: 18px;
  height: 18px;
  color: var(--green-600);
  flex-shrink: 0;
}

/* Event Chair */
.event-chair-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xl);
  background: var(--grad-green-light);
  border: 1px solid var(--green-100);
  border-radius: var(--radius-2xl);
  padding: var(--space-2xl);
  margin-bottom: var(--space-2xl);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.event-chair-card::before {
  content: '"';
  position: absolute;
  top: -30px;
  right: 40px;
  font-family: var(--font-accent);
  font-size: 220px;
  color: var(--green-100);
  line-height: 1;
  opacity: 0.6;
  pointer-events: none;
}

.event-chair-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-3px);
  border-color: var(--green-200);
}

.chair-icon {
  width: 72px;
  height: 72px;
  background: var(--grad-green);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--shadow-green);
  position: relative;
  z-index: 2;
}

.chair-icon i {
  width: 32px;
  height: 32px;
  color: var(--white);
}

.chair-content {
  position: relative;
  z-index: 2;
  flex: 1;
}

.chair-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: var(--green-600);
  font-weight: 700;
}

.chair-name {
  font-size: 1.65rem;
  color: var(--green-800);
  margin: 6px 0;
  font-weight: 800;
}

.chair-designation {
  font-size: 0.9rem;
  color: var(--gray-500);
  margin-bottom: var(--space-md);
}

.chair-content blockquote {
  font-style: italic;
  color: var(--gray-700);
  border-left: 3px solid var(--green-400);
  padding-left: var(--space-lg);
  font-size: 1rem;
  line-height: 1.8;
  font-family: var(--font-accent);
}

/* Host Clubs */
.host-clubs { text-align: center; }

.host-clubs h3 {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  color: var(--green-700);
}

.host-clubs h3 i { width: 24px; height: 24px; }

.host-clubs-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
}

.host-club-badge {
  background: var(--grad-green-light);
  border: 1px solid var(--green-200);
  padding: 12px 26px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--green-800);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-xs);
  position: relative;
  overflow: hidden;
}

.host-club-badge::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-btn);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-out-quart);
  z-index: 0;
}

.host-club-badge:hover::before { transform: scaleX(1); }

.host-club-badge:hover {
  color: var(--white);
  transform: translateY(-4px);
  border-color: var(--green-600);
  box-shadow: var(--shadow-green);
}

.host-club-badge > * {
  position: relative;
  z-index: 1;
}

/* ==================== REGISTRATION FORM ==================== */
.reg-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
}

.reg-tab {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px 30px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  color: rgba(255,255,255,0.75);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  transition: all var(--transition-base);
}

.reg-tab i { width: 18px; height: 18px; }

.reg-tab.active {
  background: var(--white);
  color: var(--green-800);
  border-color: var(--white);
  box-shadow: var(--shadow-lg);
  transform: scale(1.05);
}

.reg-tab:hover:not(.active) {
  background: rgba(255,255,255,0.15);
  color: var(--white);
  transform: translateY(-2px);
}

.reg-form-container { display: none; }

.reg-form-container.active {
  display: block;
  animation: fadeInUp 0.5s var(--ease-out-quart);
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.reg-form {
  max-width: 900px;
  margin: 0 auto;
  background: var(--white);
  border-radius: var(--radius-2xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-2xl);
}

.form-section {
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--gray-200);
}

.form-section:last-of-type { border-bottom: none; }

.form-section-title {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.2rem;
  color: var(--green-800);
  margin-bottom: var(--space-lg);
}

.form-section-title i {
  width: 22px;
  height: 22px;
  color: var(--green-600);
  background: var(--green-50);
  padding: 6px;
  border-radius: var(--radius-sm);
  box-sizing: content-box;
  box-shadow: var(--shadow-xs);
}

.section-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.section-flex .form-section-title { margin-bottom: 0; }

.form-note {
  font-size: 0.85rem;
  color: var(--blue);
  margin-bottom: var(--space-lg);
  padding: 12px 18px;
  background: var(--blue-light);
  border-left: 3px solid var(--blue);
  border-radius: var(--radius-sm);
  font-weight: 500;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
}

.form-group.full-width { grid-column: 1 / -1; }

.form-group label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--gray-700);
  display: flex;
  align-items: center;
  gap: 4px;
}

.form-group label i {
  width: 14px;
  height: 14px;
  color: var(--gray-400);
}

.req {
  color: var(--red);
  font-weight: 700;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 13px 16px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  color: var(--gray-800);
  background: var(--white);
  transition: all var(--transition-fast);
  font-family: inherit;
  width: 100%;
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
  border-color: var(--gray-300);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--green-500);
  box-shadow: var(--shadow-focus);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--gray-400);
}

.form-group input[readonly] {
  background: var(--gray-50);
  color: var(--gray-500);
  cursor: default;
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23717171' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  cursor: pointer;
}

.form-group textarea {
  resize: vertical;
  min-height: 90px;
}

.form-group input[type="file"] {
  padding: 8px 12px;
  cursor: pointer;
}

.form-group input[type="file"]::-webkit-file-upload-button {
  padding: 8px 16px;
  border: 1px solid var(--green-200);
  background: var(--grad-green-light);
  color: var(--green-700);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  margin-right: 12px;
}

.form-group small {
  font-size: 0.78rem;
  color: var(--gray-400);
}

.slots-info {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--green-600);
}

/* Member Entry */
.member-entry {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
  transition: all var(--transition-base);
}

.member-entry:hover {
  border-color: var(--green-300);
  box-shadow: var(--shadow-sm);
  background: var(--white);
}

.member-entry-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.member-entry-header h4 {
  font-size: 0.95rem;
  color: var(--green-700);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.member-entry-header h4 i { width: 16px; height: 16px; }

.remove-member-btn {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--red);
  background: var(--red-light);
  transition: all var(--transition-base);
}

.remove-member-btn:hover {
  background: var(--red);
  color: var(--white);
  transform: rotate(90deg) scale(1.1);
}

.remove-member-btn i { width: 16px; height: 16px; }

/* Payment */
.payment-info {
  background: var(--grad-green-light);
  border: 1px solid var(--green-200);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
  position: relative;
  overflow: hidden;
}

.payment-total {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px dashed var(--green-300);
  font-size: 1.05rem;
}

.payment-total strong {
  color: var(--green-800);
  font-size: 1.3rem;
  font-family: var(--font-heading);
}

.bank-details h4 {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.95rem;
  color: var(--green-800);
  margin-bottom: var(--space-md);
}

.bank-details h4 i { width: 18px; height: 18px; }

.bank-row {
  display: flex;
  gap: var(--space-sm);
  font-size: 0.88rem;
  padding: 8px 0;
  align-items: center;
  border-bottom: 1px dashed rgba(76,175,80,0.15);
}

.bank-row:last-child { border-bottom: none; }

.bank-row span {
  color: var(--gray-500);
  min-width: 140px;
  font-weight: 500;
}

.bank-row strong {
  color: var(--gray-800);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: 0.5px;
}

.form-terms { margin: var(--space-xl) 0; }

.form-terms label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 0.9rem;
  color: var(--gray-600);
  cursor: pointer;
  line-height: 1.5;
  padding: 12px;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.form-terms label:hover { background: var(--gray-50); }

.form-terms input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin-top: 1px;
  accent-color: var(--green-600);
  flex-shrink: 0;
}

.form-terms a {
  color: var(--green-700);
  font-weight: 600;
  text-decoration: underline;
}

/* ==================== AGENDA ==================== */
.agenda-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
}

.agenda-tab {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 13px 26px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--gray-500);
  background: var(--gray-100);
  transition: all var(--transition-base);
  border: 2px solid transparent;
}

.agenda-tab i { width: 18px; height: 18px; }

.agenda-tab.active {
  background: var(--grad-btn);
  color: var(--white);
  box-shadow: var(--shadow-green);
  transform: scale(1.05);
}

.agenda-tab:hover:not(.active) {
  background: var(--green-50);
  color: var(--green-700);
  border-color: var(--green-200);
  transform: translateY(-2px);
}

.agenda-timeline {
  max-width: 720px;
  margin: 0 auto;
  position: relative;
  padding-left: 40px;
}

.agenda-timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--green-200), var(--green-400), var(--green-200));
}

.agenda-item {
  position: relative;
  padding: var(--space-lg);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-md);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-xs);
}

.agenda-item:hover {
  border-color: var(--green-300);
  box-shadow: var(--shadow-lg);
  transform: translateX(8px);
}

.agenda-item::before {
  content: '';
  position: absolute;
  left: -33px;
  top: 22px;
  width: 14px;
  height: 14px;
  background: var(--green-500);
  border: 3px solid var(--white);
  border-radius: 50%;
  box-shadow: 0 0 0 2px var(--green-300), 0 0 25px rgba(76,175,80,0.5);
}

.agenda-time {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--green-700);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--green-50);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  border: 1px solid var(--green-100);
}

.agenda-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gray-900);
  margin: 10px 0 4px;
}

.agenda-desc {
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.6;
}

.agenda-location {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.78rem;
  color: var(--gray-400);
  margin-top: 8px;
}

.agenda-location i { width: 12px; height: 12px; }

/* ==================== ACTIVITIES ==================== */
.activities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: var(--space-xl);
}

.activity-card {
  background: var(--white);
  border-radius: var(--radius-2xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--gray-200);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.activity-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--grad-btn);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease-out-quart);
}

.activity-card:hover::before { transform: scaleX(1); }

.activity-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
  border-color: var(--green-300);
}

.activity-icon {
  width: 68px;
  height: 68px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  box-shadow: var(--shadow-md);
}

.colour-hunt-card .activity-icon {
  background: linear-gradient(135deg, #FF6B6B, #FFE66D, #4ECDC4, #45B7D1);
  background-size: 200% 200%;
  animation: gradientShift 6s ease infinite;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.treasure-card .activity-icon {
  background: var(--grad-btn);
}

.activity-icon i {
  width: 30px;
  height: 30px;
  color: var(--white);
}

.activity-card h3 {
  margin-bottom: var(--space-sm);
  color: var(--gray-900);
}

.activity-card p {
  font-size: 0.95rem;
  margin-bottom: var(--space-lg);
  line-height: 1.7;
}

.activity-details {
  font-size: 0.88rem;
  color: var(--gray-600);
  white-space: pre-line;
  margin-bottom: var(--space-md);
  padding: var(--space-md);
  background: var(--gray-50);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--green-400);
  line-height: 1.6;
}

.activity-hashtags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.hashtag {
  background: var(--green-50);
  color: var(--green-700);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  transition: all var(--transition-base);
}

.hashtag:hover {
  background: var(--grad-btn);
  color: var(--white);
  transform: translateY(-3px);
}

.treasure-clues { margin-top: var(--space-md); }

.clue-placeholder {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--gray-400);
  font-size: 0.9rem;
  font-style: italic;
  padding: var(--space-md);
  background: var(--gray-50);
  border-radius: var(--radius-md);
  border: 1px dashed var(--gray-300);
}

.clue-placeholder i { width: 16px; height: 16px; }

.clue-item {
  background: var(--grad-green-light);
  border: 1px solid var(--green-200);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-bottom: var(--space-sm);
  transition: all var(--transition-base);
}

.clue-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.clue-item h4 {
  font-size: 0.9rem;
  color: var(--green-800);
  margin-bottom: 4px;
}

.clue-item p {
  font-size: 0.85rem;
  margin: 0;
}

/* ==================== FOOD MENU ==================== */
.food-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.food-tab {
  padding: 11px 28px;
  border-radius: var(--radius-full);
  font-weight: 600;
  color: var(--gray-500);
  background: var(--gray-100);
  transition: all var(--transition-base);
}

.food-tab.active {
  background: var(--grad-btn);
  color: var(--white);
  box-shadow: var(--shadow-green);
  transform: scale(1.05);
}

.food-menu-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  max-width: 920px;
  margin: 0 auto;
}

.food-meal-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.food-meal-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--grad-btn);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.food-meal-card:hover::before { transform: scaleX(1); }

.food-meal-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--green-200);
}

.food-meal-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--green-50);
}

.food-meal-header i {
  width: 24px;
  height: 24px;
  color: var(--green-600);
  background: var(--green-50);
  padding: 6px;
  border-radius: var(--radius-sm);
  box-sizing: content-box;
}

.food-meal-header h4 {
  font-size: 1rem;
  color: var(--green-800);
}

.food-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px dashed var(--gray-100);
  transition: padding-left var(--transition-fast);
}

.food-item:hover { padding-left: 4px; }
.food-item:last-child { border-bottom: none; }

.food-item-name {
  font-weight: 500;
  color: var(--gray-800);
  font-size: 0.9rem;
}

.food-item-desc {
  font-size: 0.78rem;
  color: var(--gray-400);
  margin-top: 2px;
}

.food-type-badge {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.food-type-badge.veg { background: #E8F5E9; color: #2E7D32; border: 1px solid #C8E6C9; }
.food-type-badge.non-veg { background: #FFEBEE; color: #C62828; border: 1px solid #FFCDD2; }
.food-type-badge.common { background: #E3F2FD; color: #1565C0; border: 1px solid #BBDEFB; }

/* ==================== GROUP LEADERS ==================== */
.leaders-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-lg);
}

.leader-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.leader-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, var(--green-100) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-slow);
  pointer-events: none;
}

.leader-card:hover::before { opacity: 0.5; }

.leader-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--green-300);
}

.leader-card > * {
  position: relative;
  z-index: 1;
}

.leader-avatar {
  width: 76px;
  height: 76px;
  border-radius: var(--radius-full);
  background: var(--grad-green);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  box-shadow: var(--shadow-green);
}

.leader-avatar i {
  width: 34px;
  height: 34px;
  color: var(--white);
}

.leader-group-badge {
  display: inline-block;
  background: var(--grad-btn);
  color: var(--white);
  padding: 5px 16px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-sm);
}

.leader-card h4 { margin-bottom: 4px; }

.leader-role {
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-bottom: var(--space-md);
}

.leader-contact {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.9rem;
  color: var(--green-700);
  font-weight: 600;
  padding: 10px 18px;
  background: var(--green-50);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  border: 1px solid var(--green-100);
}

.leader-contact:hover {
  background: var(--grad-btn);
  color: var(--white);
  transform: scale(1.05);
}

.leader-contact i { width: 16px; height: 16px; }

.leader-placeholder {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-3xl);
  color: var(--gray-400);
  font-size: 1rem;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 2px dashed var(--gray-200);
}

/* ==================== INDIVIDUAL TRACKER ==================== */
.tracker-search-card {
  max-width: 640px;
  width: 100%;
  margin: 0 auto var(--space-2xl);
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(var(--blur-md));
  -webkit-backdrop-filter: blur(var(--blur-md));
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-2xl);
  padding: var(--space-2xl);
  box-shadow: 0 10px 40px rgba(0,0,0,0.2);
  box-sizing: border-box;
}

.tracker-form {
  width: 100%;
  margin: 0;
}

.tracker-input-group {
  display: flex;
  gap: var(--space-md);
  align-items: stretch;
  width: 100%;
}

.tracker-input-wrapper {
  flex: 1 1 auto;
  position: relative;
  display: flex;
  align-items: center;
  min-width: 0;
}

.tracker-input-wrapper i {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  color: var(--green-300);
  pointer-events: none;
  z-index: 2;
  flex-shrink: 0;
}

.tracker-input-wrapper input {
  width: 100%;
  padding: 16px 16px 16px 52px;
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-lg);
  font-size: 1rem;
  color: var(--white);
  background: rgba(255,255,255,0.06);
  transition: all var(--transition-fast);
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: 1px;
  height: 56px;
  box-sizing: border-box;
  line-height: 1.4;
}

.tracker-input-wrapper input::placeholder {
  color: rgba(255,255,255,0.4);
  font-family: var(--font-body);
  font-weight: 400;
  letter-spacing: 0;
}

.tracker-input-wrapper input:focus {
  border-color: var(--green-400);
  box-shadow: 0 0 0 4px rgba(76,175,80,0.2);
  background: rgba(255,255,255,0.1);
}

#trackerSearchBtn {
  flex-shrink: 0;
  height: 56px;
  padding: 0 28px;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
}

/* Tracker Result */
.tracker-result {
  max-width: 720px;
  width: 100%;
  margin: 0 auto;
  box-sizing: border-box;
}

.tracker-result-card {
  background: var(--white);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
  animation: fadeInUp 0.5s var(--ease-out-quart);
  width: 100%;
  box-sizing: border-box;
}

.tracker-result-header {
  padding: var(--space-xl);
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
}

.tracker-result-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  animation: shimmer 3s infinite;
}

.tracker-result-header.status-approved {
  background: linear-gradient(135deg, var(--green-600), var(--green-500));
  color: var(--white);
}

.tracker-result-header.status-pending {
  background: linear-gradient(135deg, var(--orange), #FF9800);
  color: var(--white);
}

.tracker-result-header.status-rejected {
  background: linear-gradient(135deg, var(--red), #E53935);
  color: var(--white);
}

.tracker-status-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.tracker-status-icon i {
  width: 30px;
  height: 30px;
  color: var(--white);
}

.tracker-status-info {
  position: relative;
  z-index: 1;
  flex: 1;
  min-width: 0;
}

.tracker-status-info h3 {
  font-size: 1.35rem;
  color: var(--white);
  margin: 0 0 4px 0;
  font-weight: 800;
  line-height: 1.2;
  word-break: break-word;
}

.tracker-status-label {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.9);
  font-weight: 500;
  letter-spacing: 0.5px;
}

.tracker-result-body {
  padding: var(--space-xl);
  box-sizing: border-box;
}

.tracker-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  width: 100%;
}

.tracker-detail-item {
  padding: var(--space-sm) 0;
  border-bottom: 1px dashed var(--gray-100);
  min-width: 0;
  overflow: hidden;
}

.tracker-detail-item.full-width {
  grid-column: 1 / -1;
}

.tracker-detail-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--gray-400);
  margin-bottom: 4px;
  display: block;
}

.tracker-detail-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--gray-800);
  word-break: break-word;
  overflow-wrap: break-word;
  display: block;
}

.tracker-detail-value.mono {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  letter-spacing: 0.5px;
  color: var(--green-700);
}

/* Timeline */
.tracker-timeline {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0;
  padding: var(--space-lg) var(--space-md);
  border-top: 1px solid var(--gray-200);
  overflow-x: auto;
  background: var(--gray-50);
  box-sizing: border-box;
}

.tracker-timeline::-webkit-scrollbar { height: 4px; }

.tracker-timeline-step {
  flex: 1 1 auto;
  min-width: 90px;
  text-align: center;
  position: relative;
  padding: 0 var(--space-xs);
}

.tracker-timeline-step::before {
  content: '';
  position: absolute;
  top: 17px;
  left: calc(50% + 20px);
  right: calc(-50% + 20px);
  height: 3px;
  background: var(--gray-200);
  z-index: 0;
}

.tracker-timeline-step:last-child::before { display: none; }

.tracker-step-dot {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--gray-200);
  color: var(--gray-500);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-sm);
  position: relative;
  z-index: 1;
  transition: all var(--transition-base);
  border: 3px solid var(--white);
  box-shadow: var(--shadow-xs);
  flex-shrink: 0;
}

.tracker-step-dot i { width: 16px; height: 16px; }

.tracker-timeline-step.completed .tracker-step-dot {
  background: var(--green-500);
  color: var(--white);
  box-shadow: 0 0 0 3px var(--green-100), var(--shadow-green);
}

.tracker-timeline-step.completed::before {
  background: var(--green-500);
}

.tracker-timeline-step.current .tracker-step-dot {
  background: var(--orange);
  color: var(--white);
  box-shadow: 0 0 0 3px var(--orange-light), 0 0 15px rgba(245,124,0,0.4);
  animation: stepPulse 2s ease-in-out infinite;
}

@keyframes stepPulse {
  0%, 100% { box-shadow: 0 0 0 3px var(--orange-light), 0 0 15px rgba(245,124,0,0.3); }
  50% { box-shadow: 0 0 0 6px var(--orange-light), 0 0 25px rgba(245,124,0,0.5); }
}

.tracker-timeline-step.current::before {
  background: linear-gradient(90deg, var(--green-500), var(--orange));
}

.tracker-step-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--gray-500);
  line-height: 1.3;
  word-break: break-word;
}

.tracker-timeline-step.completed .tracker-step-label {
  color: var(--green-700);
  font-weight: 700;
}

.tracker-timeline-step.current .tracker-step-label {
  color: var(--orange);
  font-weight: 700;
}

.tracker-result-footer {
  padding: var(--space-lg) var(--space-xl);
  background: var(--gray-50);
  border-top: 1px solid var(--gray-200);
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  box-sizing: border-box;
}

.tracker-result-footer p {
  margin: 0;
  width: 100%;
  text-align: center;
}

/* Tracker Not Found */
.tracker-not-found {
  max-width: 520px;
  width: 100%;
  margin: 0 auto;
  text-align: center;
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(var(--blur-md));
  -webkit-backdrop-filter: blur(var(--blur-md));
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-2xl);
  padding: var(--space-2xl);
  animation: fadeInUp 0.5s var(--ease-out-quart);
  box-sizing: border-box;
}

.tracker-not-found-icon {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  border: 1px solid rgba(255,255,255,0.1);
}

.tracker-not-found-icon i {
  width: 40px;
  height: 40px;
  color: rgba(255,255,255,0.6);
}

.tracker-not-found h3 {
  color: var(--white);
  margin-bottom: var(--space-sm);
}

.tracker-not-found p {
  color: rgba(255,255,255,0.75);
  margin-bottom: var(--space-xl);
  font-size: 0.95rem;
}

/* Registration Process Steps */
.tracker-process { text-align: center; }

.tracker-process h3 {
  color: var(--white);
  margin-bottom: var(--space-xl);
}

.white-text { color: var(--white) !important; }

.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-lg);
}

.step-item {
  text-align: center;
  padding: var(--space-lg);
}

.step-num {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.15);
  border: 2px solid var(--green-300);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-sm);
  font-family: var(--font-heading);
  font-weight: 800;
  color: var(--white);
  font-size: 1.15rem;
  backdrop-filter: blur(var(--blur-sm));
  -webkit-backdrop-filter: blur(var(--blur-sm));
  transition: all var(--transition-slow);
}

.step-item:hover .step-num {
  background: var(--green-500);
  transform: scale(1.15) rotate(360deg);
  border-color: var(--white);
  box-shadow: var(--shadow-glow);
}

.step-item h4 {
  color: var(--white);
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.step-item p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.7);
}

/* ==================== FAQ ==================== */
.faq-container {
  max-width: 780px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
  overflow: hidden;
  transition: all var(--transition-base);
  background: var(--white);
}

.faq-item:hover {
  border-color: var(--green-200);
  box-shadow: var(--shadow-sm);
}

.faq-item.active {
  border-color: var(--green-400);
  box-shadow: var(--shadow-md);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  cursor: pointer;
  font-weight: 600;
  color: var(--gray-800);
  transition: background var(--transition-fast);
  gap: var(--space-md);
  user-select: none;
}

.faq-question:hover { background: var(--green-50); }

.faq-item.active .faq-question {
  background: var(--green-50);
  color: var(--green-800);
}

.faq-question i {
  width: 22px;
  height: 22px;
  color: var(--green-600);
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

.faq-item.active .faq-question i { transform: rotate(180deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-answer-inner {
  padding: 0 var(--space-lg) var(--space-lg);
  font-size: 0.95rem;
  color: var(--gray-600);
  line-height: 1.75;
}

/* ==================== TERMS ==================== */
.terms-container {
  max-width: 780px;
  margin: 0 auto;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-sm);
}

.terms-container ol {
  list-style: none;
  counter-reset: term-counter;
}

.terms-container li {
  padding: var(--space-md) 0 var(--space-md) 3.5rem;
  font-size: 0.95rem;
  color: var(--gray-600);
  line-height: 1.75;
  border-bottom: 1px solid var(--gray-100);
  position: relative;
  counter-increment: term-counter;
}

.terms-container li::before {
  content: counter(term-counter);
  position: absolute;
  left: 0;
  top: 14px;
  width: 34px;
  height: 34px;
  background: var(--grad-green);
  color: var(--white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.9rem;
  box-shadow: var(--shadow-sm);
}

.terms-container li:last-child { border-bottom: none; }

/* ==================== FOOTER ==================== */
.footer {
  background: var(--grad-dark);
  color: rgba(255,255,255,0.7);
  padding: var(--space-3xl) 0 var(--space-xl);
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--green-500), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-logo {
  height: 32px;
  width: auto;
  object-fit: contain;
  margin-bottom: var(--space-md);
}

.footer-col p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.75;
}

.footer-col h4 {
  color: var(--white);
  font-size: 0.95rem;
  margin-bottom: var(--space-md);
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background: var(--green-500);
  border-radius: 1px;
}

.footer-col ul li {
  font-size: 0.88rem;
  padding: 6px 0;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: rgba(255,255,255,0.6);
  transition: all var(--transition-fast);
}

.footer-col ul li i,
.footer-col ul li svg {
  width: 14px;
  height: 14px;
  color: var(--green-400);
  stroke: var(--green-400);
  flex-shrink: 0;
}

.footer-col ul li a {
  color: rgba(255,255,255,0.6);
  transition: all var(--transition-fast);
}

.footer-col ul li a:hover {
  color: var(--green-400);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-bottom p {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
}

.admin-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: rgba(255,255,255,0.3);
  font-size: 0.78rem;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.admin-link:hover {
  color: var(--green-400);
  background: rgba(255,255,255,0.05);
}

.admin-link i,
.admin-link svg {
  width: 12px;
  height: 12px;
  color: inherit;
  stroke: currentColor;
}

.footer-simple { padding: var(--space-xl) 0; }

/* ==================== MODAL ==================== */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(var(--blur-sm));
  -webkit-backdrop-filter: blur(var(--blur-sm));
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--white);
  border-radius: var(--radius-2xl);
  padding: var(--space-2xl);
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(30px) scale(0.95);
  transition: transform var(--transition-bounce);
  text-align: center;
  box-shadow: var(--shadow-2xl);
}

.modal.active .modal-content {
  transform: translateY(0) scale(1);
}

.modal-large {
  max-width: 720px;
  text-align: left;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--gray-200);
}

.modal-header h3 { font-size: 1.25rem; }

.modal-close {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--gray-100);
  color: var(--gray-800);
  transform: rotate(90deg);
}

.modal-close i { width: 20px; height: 20px; }

.modal-body { margin-bottom: var(--space-lg); }

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
  padding-top: var(--space-md);
  border-top: 1px solid var(--gray-200);
}

.modal-success-icon {
  width: 84px;
  height: 84px;
  border-radius: var(--radius-full);
  background: var(--grad-green-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  box-shadow: 0 0 0 8px var(--green-50);
  animation: successPulse 2s ease-in-out infinite;
}

@keyframes successPulse {
  0%, 100% { box-shadow: 0 0 0 8px var(--green-50); }
  50% { box-shadow: 0 0 0 16px rgba(76,175,80,0.15); }
}

.modal-success-icon i {
  width: 42px;
  height: 42px;
  color: var(--green-600);
}

.registration-id-display {
  background: var(--grad-green-light);
  border: 2px dashed var(--green-400);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--green-800);
  letter-spacing: 3px;
  margin: var(--space-md) 0;
}

.modal-note {
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-bottom: var(--space-lg);
}

.error-icon {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  background: var(--red-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
}

.error-icon i {
  width: 40px;
  height: 40px;
  color: var(--red);
}

.confirm-icon {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-full);
  background: var(--orange-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
}

.confirm-icon i {
  width: 36px;
  height: 36px;
  color: var(--orange);
}

/* ==================== TOAST ==================== */
.toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--gray-900);
  color: var(--white);
  padding: 14px 24px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: var(--shadow-2xl);
  z-index: var(--z-toast);
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-bounce);
  backdrop-filter: blur(var(--blur-md));
  -webkit-backdrop-filter: blur(var(--blur-md));
  max-width: 400px;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast.success { border-left: 4px solid var(--green-500); }
.toast.error { border-left: 4px solid var(--red); background: linear-gradient(135deg, var(--red), #B71C1C); }
.toast.warning { border-left: 4px solid var(--orange); }

.toast-icon {
  width: 20px;
  height: 20px;
  color: var(--green-400);
  flex-shrink: 0;
}

/* ==================== LOADING OVERLAY ==================== */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(var(--blur-sm));
  -webkit-backdrop-filter: blur(var(--blur-sm));
  z-index: 99998;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
}

.loading-overlay.active { display: flex; }

.loading-spinner {
  width: 56px;
  height: 56px;
  border: 4px solid var(--green-100);
  border-top-color: var(--green-600);
  border-right-color: var(--green-500);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-overlay p {
  font-weight: 600;
  color: var(--gray-700);
  font-size: 0.95rem;
}

/* ==================== UTILITIES ==================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.hidden { display: none !important; }
.no-scroll { overflow: hidden; }

/* ==================== ACCESSIBILITY ==================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-image {
    order: -1;
    max-width: 500px;
    margin: 0 auto;
  }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 968px) {
  .nav-toggle { display: flex; }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 320px;
    height: 100vh;
    background: linear-gradient(180deg, var(--gray-950) 0%, var(--green-950) 100%);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: calc(var(--nav-height) + var(--space-xl)) var(--space-xl) var(--space-xl);
    gap: var(--space-xs);
    transition: right var(--transition-base);
    box-shadow: -10px 0 40px rgba(0,0,0,0.5);
    overflow-y: auto;
    flex: unset;
  }

  .nav-menu.active { right: 0; }

  .nav-menu li { width: 100%; }

  .nav-link {
    width: 100%;
    padding: 14px 18px;
    font-size: 1rem;
    justify-content: flex-start;
  }

  .btn-nav-cta,
  .btn-nav-pass,
  .btn-nav-verifier {
    margin-top: var(--space-sm);
    margin-left: 0 !important;
    justify-content: center !important;
    width: 100%;
  }
}

@media (max-width: 768px) {
  :root { --nav-height: 64px; }

  .section { padding: var(--space-3xl) 0; }

  .hero-title { font-size: clamp(1.8rem, 8vw, 2.8rem); }

  .about-grid { gap: var(--space-2xl); }
  .about-highlights { grid-template-columns: 1fr; }

  .event-chair-card {
    flex-direction: column;
    padding: var(--space-xl);
    text-align: center;
  }

  .chair-content blockquote {
    padding-left: 0;
    border-left: none;
    border-top: 3px solid var(--green-400);
    padding-top: var(--space-md);
  }

  .reg-form { padding: var(--space-xl) var(--space-lg); }
  .form-grid { grid-template-columns: 1fr; }

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

  .footer-col h4::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .footer-col ul li { justify-content: center; }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .toast {
    bottom: 20px;
    right: 20px;
    left: 20px;
  }

  .agenda-timeline {
    padding-left: 30px;
  }

  .agenda-timeline::before { left: 10px; }
  .agenda-item::before { left: -25px; }

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

@media (max-width: 640px) {
  .tracker-search-card {
    padding: var(--space-xl) var(--space-md);
    border-radius: var(--radius-xl);
  }

  .tracker-input-group {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .tracker-input-wrapper input {
    height: 52px;
    font-size: 0.95rem;
  }

  #trackerSearchBtn {
    width: 100%;
    height: 52px;
  }

  .tracker-result-header {
    flex-direction: column;
    text-align: center;
    padding: var(--space-lg);
    gap: var(--space-md);
  }

  .tracker-status-icon {
    width: 56px;
    height: 56px;
  }

  .tracker-status-icon i { width: 26px; height: 26px; }

  .tracker-status-info h3 { font-size: 1.15rem; }

  .tracker-result-body { padding: var(--space-lg); }

  .tracker-detail-grid {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

  .tracker-detail-item { padding: var(--space-xs) 0; }

  .tracker-timeline {
    padding: var(--space-md) var(--space-sm);
    justify-content: flex-start;
  }

  .tracker-timeline-step {
    min-width: 75px;
    padding: 0 var(--space-2xs);
  }

  .tracker-step-dot {
    width: 30px;
    height: 30px;
  }

  .tracker-step-dot i { width: 14px; height: 14px; }

  .tracker-step-label { font-size: 0.65rem; }

  .tracker-timeline-step::before {
    top: 14px;
    left: calc(50% + 17px);
    right: calc(-50% + 17px);
    height: 2px;
  }

  .tracker-result-footer {
    padding: var(--space-md) var(--space-lg);
    flex-direction: column;
    align-items: stretch;
  }

  .tracker-result-footer .btn {
    width: 100%;
    justify-content: center;
  }

  .tracker-not-found {
    padding: var(--space-xl) var(--space-lg);
  }
}

@media (max-width: 480px) {
  .nav-logo img { height: 30px; }
  .nav-container { padding: 0 var(--space-md); }

  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-cta .btn {
    width: 100%;
  }

  .hero-meta { gap: var(--space-sm); }

  .meta-item {
    font-size: 0.85rem;
    padding: 6px 14px;
  }

  .btn {
    padding: 11px 22px;
    font-size: 0.88rem;
  }

  .btn-large {
    padding: 14px 28px;
    font-size: 0.95rem;
  }

  .reg-form { padding: var(--space-lg) var(--space-md); }

  .form-section {
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-lg);
  }

  .process-steps { grid-template-columns: 1fr 1fr; }

  .modal-content { padding: var(--space-lg); }

  .tracker-search-card {
    padding: var(--space-lg) var(--space-sm);
  }

  .tracker-timeline-step { min-width: 65px; }
}

@media print {
  .navbar,
  .footer,
  .hero,
  .btn,
  .toast,
  .modal { display: none !important; }

  body {
    background: white;
    color: black;
  }

  .section {
    padding: var(--space-lg) 0;
    break-inside: avoid;
  }
}