/* ============================================
   NNEPIE - Nigeria New Energy and Power Industry Expo
   Theme: Green-Orange Energy
   Mobile-First Responsive Design
   ============================================ */

/* CSS Variables - Brand Colors */
:root {
    --primary-green: #2E7D32;
    --primary-green-light: #4CAF50;
    --primary-green-dark: #1B5E20;
    --accent-orange: #FF6F00;
    --accent-orange-light: #FF9800;
    --accent-orange-dark: #E65100;
    --dark-bg: #0D1B0D;
    --dark-surface: #1A2E1A;
    --light-bg: #F5F9F5;
    --white: #FFFFFF;
    --text-primary: #1A1A1A;
    --text-secondary: #555555;
    --text-light: #888888;
    --border-color: #E0E8E0;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.15);
    --shadow-glow: 0 0 20px rgba(46,125,50,0.3);
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    --font-main: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-main);
    background: var(--light-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

ul {
    list-style: none;
}

/* ============================================
   ANIMATIONS & EFFECTS
   ============================================ */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-40px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 5px var(--primary-green-light); }
    50% { box-shadow: 0 0 25px var(--primary-green-light), 0 0 50px var(--accent-orange-light); }
}

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

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

@keyframes countUp {
    from { opacity: 0; transform: scale(0.5); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes rotateIn {
    from { opacity: 0; transform: rotate(-10deg) scale(0.9); }
    to { opacity: 1; transform: rotate(0) scale(1); }
}

@keyframes borderGlow {
    0%, 100% { border-color: var(--primary-green); }
    50% { border-color: var(--accent-orange); }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-normal);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
    background: rgba(255,255,255,0.98);
}

.header-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--primary-green-dark);
}

.logo-img {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-sm);
    object-fit: contain;
    animation: float 3s ease-in-out infinite;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-text span:first-child {
    font-size: 0.75rem;
    color: var(--accent-orange);
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.logo-text span:last-child {
    font-size: 1rem;
    color: var(--primary-green-dark);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: block;
    width: 40px;
    height: 40px;
    border: none;
    background: none;
    cursor: pointer;
    position: relative;
    z-index: 1001;
    padding: 8px;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 3px;
    background: var(--primary-green-dark);
    border-radius: 2px;
    margin: 5px auto;
    transition: var(--transition-fast);
}

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

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

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Navigation */
.nav {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(20px);
    transform: translateX(100%);
    transition: transform 0.4s ease;
    overflow-y: auto;
    z-index: 999;
}

.nav.open {
    transform: translateX(0);
}

.nav-list {
    padding: 30px 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-link {
    display: block;
    padding: 14px 20px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--accent-orange);
    transform: scaleY(0);
    transition: transform 0.3s ease;
    border-radius: 0 2px 2px 0;
}

.nav-link:hover, .nav-link.active {
    background: var(--light-bg);
    color: var(--primary-green);
}

.nav-link:hover::before, .nav-link.active::before {
    transform: scaleY(1);
}

.nav-cta {
    margin-top: 20px;
    padding: 0 20px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-xl);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-dark) 100%);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(46,125,50,0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(46,125,50,0.4);
}

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

.btn-secondary {
    background: linear-gradient(135deg, var(--accent-orange) 0%, var(--accent-orange-dark) 100%);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(255,111,0,0.3);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255,111,0,0.4);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-green);
    color: var(--primary-green);
}

.btn-outline:hover {
    background: var(--primary-green);
    color: var(--white);
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.85rem;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--dark-bg);
    padding-top: 70px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(46,125,50,0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(255,111,0,0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 100%, rgba(46,125,50,0.1) 0%, transparent 50%);
    z-index: 1;
}

.hero-particles {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
}

.particle {
    position: absolute;
    border-radius: 50%;
    background: var(--primary-green-light);
    opacity: 0.3;
    animation: float 4s ease-in-out infinite;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    padding: 40px 20px;
    max-width: 900px;
    animation: fadeInUp 1s ease;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,111,0,0.15);
    border: 1px solid rgba(255,111,0,0.3);
    color: var(--accent-orange-light);
    padding: 8px 20px;
    border-radius: var(--radius-xl);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
    animation: fadeIn 1s ease 0.3s both;
}

.hero-badge .live-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-orange);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.hero-title {
    font-size: 2rem;
    font-weight: 900;
    color: var(--white);
    line-height: 1.2;
    margin-bottom: 16px;
    animation: fadeInUp 1s ease 0.5s both;
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--primary-green-light) 0%, var(--accent-orange-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 12px;
    animation: fadeInUp 1s ease 0.7s both;
}

.hero-date {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    padding: 12px 24px;
    border-radius: var(--radius-xl);
    color: var(--white);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 32px;
    animation: fadeInUp 1s ease 0.9s both;
}

.hero-date svg {
    color: var(--accent-orange);
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
    animation: fadeInUp 1s ease 1.1s both;
}

.hero-cta .btn {
    width: 100%;
    max-width: 280px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 40px;
    animation: fadeInUp 1s ease 1.3s both;
}

.hero-stat {
    text-align: center;
    padding: 16px 8px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
}

.hero-stat-number {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--accent-orange-light);
    line-height: 1;
}

.hero-stat-label {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.6);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    animation: fadeIn 1s ease 1.5s both;
}

.hero-scroll a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,0.5);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-scroll a svg {
    animation: float 2s ease-in-out infinite;
}

/* ============================================
   SECTIONS COMMON
   ============================================ */
.section {
    padding: 60px 20px;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 40px;
}

.section-label {
    display: inline-block;
    background: rgba(46,125,50,0.1);
    color: var(--primary-green);
    padding: 6px 16px;
    border-radius: var(--radius-xl);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.section-title {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.3;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

/* ============================================
   COUNTDOWN SECTION
   ============================================ */
.countdown-section {
    background: linear-gradient(135deg, var(--primary-green-dark) 0%, var(--primary-green) 100%);
    padding: 40px 20px;
    position: relative;
    overflow: hidden;
}

.countdown-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.countdown-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.countdown-item {
    text-align: center;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius-md);
    padding: 16px 8px;
}

.countdown-number {
    font-size: 2rem;
    font-weight: 900;
    color: var(--white);
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.countdown-label {
    font-size: 0.7rem;
    color: rgba(255,255,255,0.7);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 4px;
}

.countdown-title {
    text-align: center;
    color: var(--white);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

/* ============================================
   FLOOR PLAN SECTION
   ============================================ */
.floor-plan-section {
    background: var(--white);
    padding: 60px 20px;
}

.floor-plan-header {
    text-align: center;
    margin-bottom: 30px;
}

.hall-tabs {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.hall-tab {
    padding: 10px 20px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    background: var(--white);
    color: var(--text-secondary);
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.hall-tab:hover {
    border-color: var(--primary-green);
    color: var(--primary-green);
}

.hall-tab.active {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-dark) 100%);
    border-color: var(--primary-green);
    color: var(--white);
    box-shadow: var(--shadow-glow);
}

.hall-tab .badge {
    position: absolute;
    top: -6px;
    right: -6px;
    background: var(--accent-orange);
    color: var(--white);
    font-size: 0.65rem;
    padding: 2px 6px;
    border-radius: 10px;
    font-weight: 700;
}

.floor-plan-viewer {
    position: relative;
    background: var(--dark-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    margin-bottom: 24px;
}

.floor-plan-image-container {
    position: relative;
    overflow: hidden;
    cursor: grab;
    touch-action: pan-x pan-y;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.floor-plan-image-container:active {
    cursor: grabbing;
}

.floor-plan-image-container img {
    max-width: 100%;
    transition: transform 0.3s ease;
    transform-origin: center center;
}

.floor-plan-image-container.zoomed img {
    transform: scale(2);
}

.floor-plan-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.booth-marker {
    position: absolute;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--accent-orange);
    border: 2px solid var(--white);
    cursor: pointer;
    pointer-events: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6rem;
    font-weight: 700;
    color: var(--white);
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    transition: var(--transition-fast);
    animation: pulse 2s infinite;
}

.booth-marker:hover {
    transform: scale(1.3);
    z-index: 10;
    box-shadow: 0 0 15px var(--accent-orange);
}

.booth-marker.available {
    background: var(--primary-green-light);
    animation: none;
}

.booth-marker.reserved {
    background: var(--text-light);
    animation: none;
}

.floor-plan-controls {
    display: flex;
    gap: 8px;
    justify-content: center;
    padding: 12px;
    background: rgba(255,255,255,0.05);
    border-top: 1px solid rgba(255,255,255,0.1);
}

.control-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255,255,255,0.2);
    background: rgba(255,255,255,0.1);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 1.1rem;
}

.control-btn:hover {
    background: var(--primary-green);
    border-color: var(--primary-green);
}

.floor-plan-legend {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 16px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.legend-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 2px solid var(--white);
    box-shadow: var(--shadow-sm);
}

.legend-dot.available { background: var(--primary-green-light); }
.legend-dot.reserved { background: var(--text-light); }
.legend-dot.hot { background: var(--accent-orange); }

/* Booth Detail Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

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

.modal-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(20px);
    transition: var(--transition-normal);
    box-shadow: var(--shadow-lg);
}

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

.modal-header {
    padding: 24px 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.modal-title {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--text-primary);
}

.modal-close {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: var(--light-bg);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    font-size: 1.2rem;
}

.modal-close:hover {
    background: var(--accent-orange);
    color: var(--white);
}

.modal-body {
    padding: 20px 24px;
}

.booth-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 20px;
}

.booth-info-item {
    background: var(--light-bg);
    padding: 12px;
    border-radius: var(--radius-sm);
}

.booth-info-label {
    font-size: 0.75rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.booth-info-value {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.booth-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.booth-feature {
    background: rgba(46,125,50,0.1);
    color: var(--primary-green);
    padding: 6px 12px;
    border-radius: var(--radius-xl);
    font-size: 0.8rem;
    font-weight: 600;
}

.modal-footer {
    padding: 0 24px 24px;
    display: flex;
    gap: 12px;
}

.modal-footer .btn {
    flex: 1;
}

/* ============================================
   HALL CARDS
   ============================================ */
.halls-section {
    background: var(--light-bg);
    padding: 60px 20px;
}

.halls-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.hall-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    border: 1px solid var(--border-color);
    position: relative;
}

.hall-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-green-light);
}

.hall-card-header {
    padding: 20px;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-dark) 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.hall-card-header::after {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 80px;
    height: 80px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
}

.hall-card-title {
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 4px;
}

.hall-card-subtitle {
    font-size: 0.85rem;
    opacity: 0.9;
}

.hall-card-body {
    padding: 20px;
}

.hall-card-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}

.hall-stat {
    text-align: center;
    padding: 12px 8px;
    background: var(--light-bg);
    border-radius: var(--radius-sm);
}

.hall-stat-value {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--primary-green);
    line-height: 1;
}

.hall-stat-label {
    font-size: 0.7rem;
    color: var(--text-light);
    margin-top: 4px;
    text-transform: uppercase;
}

.hall-booths-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 16px;
}

.hall-booth-tag {
    padding: 4px 10px;
    background: var(--light-bg);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 600;
    transition: var(--transition-fast);
    cursor: pointer;
}

.hall-booth-tag:hover {
    background: var(--primary-green);
    color: var(--white);
}

.hall-booth-tag.hot {
    background: rgba(255,111,0,0.1);
    color: var(--accent-orange);
    border: 1px solid rgba(255,111,0,0.2);
}

.hall-card-footer {
    padding: 0 20px 20px;
}

/* ============================================
   INFO SECTIONS
   ============================================ */
.info-section {
    background: var(--white);
    padding: 60px 20px;
}

.info-section.alt {
    background: var(--light-bg);
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.info-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.info-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-green), var(--accent-orange));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.info-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

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

.info-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary-green-light) 0%, var(--primary-green) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: 16px;
    box-shadow: 0 4px 15px rgba(46,125,50,0.3);
}

.info-card-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.info-card-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Venue Gallery */
.venue-gallery {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 30px;
}

.venue-img {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    position: relative;
    aspect-ratio: 16/10;
}

.venue-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.venue-img:hover img {
    transform: scale(1.05);
}

.venue-img-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 50%);
    display: flex;
    align-items: flex-end;
    padding: 20px;
    color: var(--white);
}

.venue-img-title {
    font-weight: 700;
    font-size: 1.1rem;
}

/* ============================================
   BOOTH TABLE
   ============================================ */
.booth-table-section {
    background: var(--white);
    padding: 60px 20px;
}

.table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    margin-top: 24px;
}

.booth-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
    font-size: 0.9rem;
}

.booth-table th {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-dark) 100%);
    color: var(--white);
    padding: 14px 16px;
    text-align: left;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
    position: sticky;
    top: 0;
}

.booth-table th:first-child {
    border-radius: var(--radius-sm) 0 0 0;
}

.booth-table th:last-child {
    border-radius: 0 var(--radius-sm) 0 0;
}

.booth-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.booth-table tr:hover td {
    background: var(--light-bg);
    color: var(--text-primary);
}

.booth-table tr:last-child td:first-child {
    border-radius: 0 0 0 var(--radius-sm);
}

.booth-table tr:last-child td:last-child {
    border-radius: 0 0 var(--radius-sm) 0;
}

.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: var(--radius-xl);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.status-available {
    background: rgba(46,125,50,0.1);
    color: var(--primary-green);
}

.status-reserved {
    background: rgba(136,136,136,0.1);
    color: var(--text-light);
}

.status-hot {
    background: rgba(255,111,0,0.1);
    color: var(--accent-orange);
    animation: pulse 2s infinite;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-section {
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--dark-surface) 100%);
    padding: 60px 20px;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.contact-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(46,125,50,0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    position: relative;
    z-index: 1;
}

.contact-info-title {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.contact-info-text {
    color: rgba(255,255,255,0.7);
    margin-bottom: 24px;
    line-height: 1.7;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 20px;
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: rgba(255,111,0,0.15);
    border: 1px solid rgba(255,111,0,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-orange-light);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-item-content h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.contact-item-content p {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
}

.contact-form {
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    padding: 28px;
}

.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: rgba(255,255,255,0.8);
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius-md);
    background: rgba(255,255,255,0.05);
    color: var(--white);
    font-size: 1rem;
    transition: var(--transition-fast);
    font-family: inherit;
}

.form-input::placeholder {
    color: rgba(255,255,255,0.3);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-orange);
    background: rgba(255,255,255,0.08);
    box-shadow: 0 0 0 3px rgba(255,111,0,0.1);
}

.form-input option {
    background: var(--dark-bg);
    color: var(--white);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--dark-bg);
    border-top: 1px solid rgba(255,255,255,0.05);
    padding: 40px 20px 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    margin-bottom: 32px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.footer-brand img {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
}

.footer-brand-text {
    font-weight: 800;
    color: var(--white);
    font-size: 1rem;
}

.footer-desc {
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-link {
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-link:hover {
    color: var(--accent-orange-light);
    padding-left: 4px;
}

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.6);
    transition: var(--transition-fast);
    font-size: 1.1rem;
}

.social-link:hover {
    background: var(--accent-orange);
    border-color: var(--accent-orange);
    color: var(--white);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: 20px;
    text-align: center;
    color: rgba(255,255,255,0.3);
    font-size: 0.85rem;
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-dark) 100%);
    color: var(--white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    z-index: 999;
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition-normal);
    font-size: 1.2rem;
}

.back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* ============================================
   LOADING SCREEN
   ============================================ */
.loading-screen {
    position: fixed;
    inset: 0;
    background: var(--dark-bg);
    z-index: 10000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-logo {
    width: 80px;
    height: 80px;
    margin-bottom: 24px;
    animation: rotateIn 1s ease;
}

.loading-bar {
    width: 200px;
    height: 4px;
    background: rgba(255,255,255,0.1);
    border-radius: 2px;
    overflow: hidden;
}

.loading-bar-inner {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary-green-light), var(--accent-orange));
    border-radius: 2px;
    animation: loadingProgress 2s ease forwards;
}

@keyframes loadingProgress {
    0% { width: 0%; }
    100% { width: 100%; }
}

.loading-text {
    color: rgba(255,255,255,0.5);
    margin-top: 16px;
    font-size: 0.9rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* ============================================
   RESPONSIVE - TABLET (768px+)
   ============================================ */
@media (min-width: 768px) {
    .header-inner {
        height: 80px;
        padding: 0 40px;
    }

    .menu-toggle {
        display: none;
    }

    .nav {
        position: static;
        transform: none;
        background: none;
        backdrop-filter: none;
        overflow: visible;
        display: flex;
        align-items: center;
    }

    .nav-list {
        flex-direction: row;
        padding: 0;
        gap: 4px;
    }

    .nav-link {
        padding: 8px 16px;
        font-size: 0.9rem;
    }

    .nav-link::before {
        width: 100%;
        height: 3px;
        top: auto;
        bottom: 0;
        transform: scaleX(0);
    }

    .nav-link:hover::before, .nav-link.active::before {
        transform: scaleX(1);
    }

    .nav-cta {
        margin-top: 0;
        margin-left: 16px;
        padding: 0;
    }

    .hero-title {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 1.3rem;
    }

    .hero-cta {
        flex-direction: row;
        justify-content: center;
    }

    .hero-cta .btn {
        width: auto;
    }

    .hero-stats {
        max-width: 500px;
        margin: 40px auto 0;
    }

    .hero-stat {
        padding: 20px;
    }

    .hero-stat-number {
        font-size: 2.5rem;
    }

    .section {
        padding: 80px 40px;
    }

    .section-title {
        font-size: 2.2rem;
    }

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

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

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

    .venue-gallery .venue-img:first-child {
        grid-column: span 2;
    }

    .contact-grid {
        grid-template-columns: 1fr 1fr;
    }

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

    .countdown-number {
        font-size: 3rem;
    }

    .countdown-item {
        padding: 24px 16px;
    }

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

/* ============================================
   RESPONSIVE - DESKTOP (1024px+)
   ============================================ */
@media (min-width: 1024px) {
    .hero-title {
        font-size: 3.5rem;
    }

    .section {
        padding: 100px 60px;
    }

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

    .info-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .venue-gallery {
        grid-template-columns: repeat(3, 1fr);
    }

    .venue-gallery .venue-img:first-child {
        grid-column: span 2;
        grid-row: span 2;
    }

    .floor-plan-image-container {
        min-height: 500px;
    }
}

/* ============================================
   RESPONSIVE - LARGE DESKTOP (1280px+)
   ============================================ */
@media (min-width: 1280px) {
    .hero-title {
        font-size: 4rem;
    }

    .section {
        padding: 100px 80px;
    }

    .container {
        max-width: 1400px;
    }
}

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

    html {
        scroll-behavior: auto;
    }
}

/* Focus styles */
:focus-visible {
    outline: 2px solid var(--accent-orange);
    outline-offset: 2px;
}

/* Selection */
::selection {
    background: var(--primary-green-light);
    color: var(--white);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-green);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-green-dark);
}