/* ============================================
   2026 Nigeria International Lighting Expo
   Exhibition Manual - Stylesheet
   ============================================ */

/* CSS Variables */
:root {
    --primary: #1a5f2a;
    --primary-dark: #0d3d1a;
    --secondary: #e8b923;
    --accent: #ff6b35;
    --accent2: #00d4ff;
    --accent3: #ff00ff;
    --accent4: #00ff88;
    --dark: #0a0a0a;
    --dark-light: #1a1a2e;
    --light: #f8f9fa;
    --text: #333;
    --text-light: #666;
    --white: #ffffff;
    --gradient-primary: linear-gradient(135deg, #1a5f2a 0%, #2d8a4e 50%, #1a5f2a 100%);
    --gradient-dark: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 100%);
    --gradient-gold: linear-gradient(135deg, #e8b923 0%, #f0d78c 50%, #e8b923 100%);
    --shadow: 0 4px 20px rgba(0,0,0,0.15);
    --shadow-glow: 0 0 30px rgba(232,185,35,0.3);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Segoe UI', 'Microsoft YaHei', 'PingFang SC', sans-serif;
    background: var(--dark);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
}

/* LED Light Particles Background */
.led-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.led-particle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.6;
    animation: float-led linear infinite;
    filter: blur(1px);
}

.led-particle.bulb {
    width: 24px;
    height: 24px;
    box-shadow: 0 0 20px currentColor, 0 0 40px currentColor;
}

.led-particle.light {
    width: 8px;
    height: 8px;
    box-shadow: 0 0 15px currentColor, 0 0 30px currentColor;
}

.led-particle.ray {
    width: 4px;
    height: 60px;
    border-radius: 2px;
    opacity: 0.3;
    box-shadow: 0 0 10px currentColor;
}

@keyframes float-led {
    0% {
        transform: translateY(100vh) rotate(0deg) scale(1);
        opacity: 0;
    }
    10% {
        opacity: 0.8;
    }
    90% {
        opacity: 0.8;
    }
    100% {
        transform: translateY(-100px) rotate(360deg) scale(0.5);
        opacity: 0;
    }
}

/* Header */
.header {
    position: relative;
    background: var(--gradient-dark);
    padding: 0;
    overflow: hidden;
    border-bottom: 3px solid var(--secondary);
}

.header-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(26,95,42,0.4) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(232,185,35,0.2) 0%, transparent 50%);
    pointer-events: none;
}

.header-top {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 40px;
    background: rgba(0,0,0,0.3);
    backdrop-filter: blur(10px);
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 20px;
}

.logo-img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    filter: drop-shadow(0 0 10px rgba(232,185,35,0.5));
    animation: logo-pulse 3s ease-in-out infinite;
}

@keyframes logo-pulse {
    0%, 100% { filter: drop-shadow(0 0 10px rgba(232,185,35,0.5)); }
    50% { filter: drop-shadow(0 0 25px rgba(232,185,35,0.8)); }
}

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

.logo-text h1 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--secondary);
    text-shadow: 0 0 10px rgba(232,185,35,0.5);
    letter-spacing: 1px;
}

.logo-text p {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.7);
    margin-top: 2px;
}

.contact-badges {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.contact-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.1);
    padding: 8px 16px;
    border-radius: 30px;
    color: var(--white);
    font-size: 0.85rem;
    border: 1px solid rgba(232,185,35,0.3);
    transition: var(--transition);
}

.contact-badge:hover {
    background: rgba(232,185,35,0.2);
    border-color: var(--secondary);
    transform: translateY(-2px);
}

.contact-badge i {
    color: var(--secondary);
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 60px 20px 80px;
    background: 
        linear-gradient(180deg, rgba(10,10,10,0.8) 0%, rgba(26,95,42,0.3) 50%, rgba(10,10,10,0.9) 100%);
}

.hero-badge {
    display: inline-block;
    background: var(--gradient-gold);
    color: var(--dark);
    padding: 8px 24px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 20px;
    box-shadow: 0 0 20px rgba(232,185,35,0.4);
    animation: badge-glow 2s ease-in-out infinite;
}

@keyframes badge-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(232,185,35,0.4); }
    50% { box-shadow: 0 0 40px rgba(232,185,35,0.7); }
}

.hero h2 {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 10px;
    text-shadow: 0 0 30px rgba(232,185,35,0.3);
    letter-spacing: 2px;
}

.hero .subtitle {
    font-size: 1.5rem;
    color: var(--secondary);
    font-weight: 600;
    margin-bottom: 15px;
    text-shadow: 0 0 15px rgba(232,185,35,0.3);
}

.hero .date {
    font-size: 1.3rem;
    color: var(--accent2);
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.hero .theme {
    display: inline-block;
    background: rgba(0,212,255,0.15);
    border: 2px solid var(--accent2);
    color: var(--accent2);
    padding: 12px 30px;
    border-radius: var(--radius);
    font-size: 1.1rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
    animation: theme-pulse 3s ease-in-out infinite;
}

@keyframes theme-pulse {
    0%, 100% { box-shadow: 0 0 15px rgba(0,212,255,0.3); }
    50% { box-shadow: 0 0 30px rgba(0,212,255,0.6); }
}

/* Navigation */
.nav-bar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(10,10,10,0.95);
    backdrop-filter: blur(20px);
    border-bottom: 2px solid var(--secondary);
    box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

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

.nav-links {
    display: flex;
    gap: 0;
    list-style: none;
    overflow-x: auto;
    scrollbar-width: none;
}

.nav-links::-webkit-scrollbar {
    display: none;
}

.nav-links a {
    display: block;
    padding: 15px 20px;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    white-space: nowrap;
    transition: var(--transition);
    border-bottom: 3px solid transparent;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: var(--secondary);
    transition: var(--transition);
    transform: translateX(-50%);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--secondary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 80%;
}

.nav-cta {
    background: var(--gradient-gold);
    color: var(--dark) !important;
    padding: 10px 24px !important;
    border-radius: 30px;
    font-weight: 700 !important;
    margin-left: 10px;
    box-shadow: 0 0 15px rgba(232,185,35,0.4);
    animation: cta-glow 2s ease-in-out infinite;
}

.nav-cta::after {
    display: none !important;
}

@keyframes cta-glow {
    0%, 100% { box-shadow: 0 0 15px rgba(232,185,35,0.4); }
    50% { box-shadow: 0 0 30px rgba(232,185,35,0.7); }
}

/* Main Content */
.main-content {
    position: relative;
    z-index: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* Section Styles */
.section {
    background: rgba(255,255,255,0.97);
    border-radius: var(--radius);
    margin-bottom: 30px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.section:hover {
    box-shadow: 0 8px 40px rgba(0,0,0,0.2);
    transform: translateY(-2px);
}

.section-header {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 25px 30px;
    background: var(--gradient-primary);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.section-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 200px;
    height: 200px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
}

.section-header i {
    font-size: 2rem;
    color: var(--secondary);
    filter: drop-shadow(0 0 10px rgba(232,185,35,0.5));
}

.section-header h3 {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.section-body {
    padding: 30px;
}

/* Info Cards */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.info-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #fff 100%);
    border-radius: var(--radius-sm);
    padding: 25px;
    border-left: 4px solid var(--primary);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.info-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, transparent 50%, rgba(26,95,42,0.05) 50%);
    border-radius: 0 0 0 60px;
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border-left-color: var(--secondary);
}

.info-card .label {
    font-size: 0.85rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
    font-weight: 600;
}

.info-card .value {
    font-size: 1.1rem;
    color: var(--text);
    font-weight: 600;
    line-height: 1.5;
}

.info-card .value a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

.info-card .value a:hover {
    color: var(--accent);
    text-decoration: underline;
}

/* Product Categories */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.product-card {
    background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
    border-radius: var(--radius-sm);
    padding: 25px;
    border: 1px solid rgba(0,0,0,0.05);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.product-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.product-card:hover::after {
    transform: scaleX(1);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.12);
}

.product-card h4 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 12px;
    font-weight: 700;
}

.product-card h4 i {
    font-size: 1.5rem;
    color: var(--secondary);
    filter: drop-shadow(0 0 5px rgba(232,185,35,0.3));
}

.product-card ul {
    list-style: none;
    padding: 0;
}

.product-card ul li {
    padding: 5px 0;
    padding-left: 20px;
    position: relative;
    color: var(--text-light);
    font-size: 0.95rem;
    transition: var(--transition);
}

.product-card ul li::before {
    content: '\2022';
    position: absolute;
    left: 0;
    color: var(--secondary);
    font-weight: bold;
    font-size: 1.2rem;
}

.product-card ul li:hover {
    color: var(--primary);
    padding-left: 25px;
}

/* Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.data-table thead {
    background: var(--gradient-primary);
    color: var(--white);
}

.data-table th {
    padding: 15px 20px;
    text-align: left;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
}

.data-table td {
    padding: 15px 20px;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    color: var(--text);
    font-size: 0.95rem;
}

.data-table tbody tr {
    transition: var(--transition);
}

.data-table tbody tr:nth-child(even) {
    background: rgba(26,95,42,0.03);
}

.data-table tbody tr:hover {
    background: rgba(26,95,42,0.08);
    transform: scale(1.01);
}

.data-table .highlight {
    background: rgba(232,185,35,0.15) !important;
    font-weight: 600;
    color: var(--primary-dark);
}

/* Notice Box */
.notice-box {
    background: linear-gradient(135deg, #fff8e1 0%, #fff 100%);
    border-left: 4px solid var(--secondary);
    border-radius: var(--radius-sm);
    padding: 20px 25px;
    margin: 20px 0;
    position: relative;
}

.notice-box::before {
    content: '\f0a1';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    color: var(--secondary);
    opacity: 0.3;
}

.notice-box p {
    color: var(--text);
    font-size: 0.95rem;
    line-height: 1.8;
}

.notice-box strong {
    color: var(--primary);
}

/* Warning Box */
.warning-box {
    background: linear-gradient(135deg, #fff3e0 0%, #fff 100%);
    border-left: 4px solid var(--accent);
    border-radius: var(--radius-sm);
    padding: 20px 25px;
    margin: 15px 0;
}

.warning-box p {
    color: var(--text);
    font-size: 0.95rem;
    line-height: 1.8;
}

/* Numbered List */
.numbered-list {
    counter-reset: item;
    list-style: none;
    padding: 0;
}

.numbered-list > li {
    counter-increment: item;
    position: relative;
    padding: 15px 20px 15px 60px;
    margin-bottom: 10px;
    background: linear-gradient(135deg, #f8f9fa 0%, #fff 100%);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(0,0,0,0.05);
    transition: var(--transition);
}

.numbered-list > li::before {
    content: counter(item);
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    width: 35px;
    height: 35px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: 0 2px 10px rgba(26,95,42,0.3);
}

.numbered-list > li:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

/* Image Gallery */
.image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 25px 0;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: var(--transition);
    cursor: pointer;
}

.gallery-item:hover {
    transform: scale(1.03);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.gallery-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: var(--transition);
}

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

.gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 15px;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: var(--white);
    font-size: 0.9rem;
    font-weight: 600;
}

/* LED Decoration Section */
.led-decoration {
    position: relative;
    padding: 40px;
    background: var(--dark);
    border-radius: var(--radius);
    margin: 30px 0;
    overflow: hidden;
    text-align: center;
}

.led-decoration::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255,0,255,0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(0,212,255,0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(0,255,136,0.05) 0%, transparent 50%);
    animation: led-bg-shift 8s ease-in-out infinite;
}

@keyframes led-bg-shift {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.led-bulbs-container {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.led-bulb {
    width: 80px;
    height: 120px;
    position: relative;
    animation: bulb-swing 3s ease-in-out infinite;
}

.led-bulb:nth-child(2) { animation-delay: 0.5s; }
.led-bulb:nth-child(3) { animation-delay: 1s; }
.led-bulb:nth-child(4) { animation-delay: 1.5s; }
.led-bulb:nth-child(5) { animation-delay: 2s; }

@keyframes bulb-swing {
    0%, 100% { transform: rotate(-5deg); }
    50% { transform: rotate(5deg); }
}

.led-bulb .bulb-glass {
    width: 60px;
    height: 60px;
    border-radius: 50% 50% 40% 40%;
    margin: 0 auto;
    position: relative;
    box-shadow: 0 0 40px currentColor, 0 0 80px currentColor, inset 0 -10px 20px rgba(0,0,0,0.2);
    animation: bulb-glow 2s ease-in-out infinite;
}

.led-bulb:nth-child(1) .bulb-glass { color: #ff0040; background: radial-gradient(circle at 30% 30%, #ff6b6b, #ff0040); }
.led-bulb:nth-child(2) .bulb-glass { color: #00ff88; background: radial-gradient(circle at 30% 30%, #6bffb8, #00ff88); }
.led-bulb:nth-child(3) .bulb-glass { color: #00d4ff; background: radial-gradient(circle at 30% 30%, #6befff, #00d4ff); }
.led-bulb:nth-child(4) .bulb-glass { color: #ff00ff; background: radial-gradient(circle at 30% 30%, #ff6bff, #ff00ff); }
.led-bulb:nth-child(5) .bulb-glass { color: #ffaa00; background: radial-gradient(circle at 30% 30%, #ffd46b, #ffaa00); }

@keyframes bulb-glow {
    0%, 100% { opacity: 0.8; filter: brightness(1); }
    50% { opacity: 1; filter: brightness(1.3); }
}

.led-bulb .bulb-base {
    width: 30px;
    height: 25px;
    background: linear-gradient(180deg, #888 0%, #555 100%);
    margin: 5px auto 0;
    border-radius: 0 0 5px 5px;
    position: relative;
}

.led-bulb .bulb-base::before {
    content: '';
    position: absolute;
    top: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 8px;
    background: #666;
    border-radius: 2px;
}

.led-bulb .bulb-filament {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 30px;
    height: 30px;
    border: 2px solid rgba(255,255,255,0.6);
    border-radius: 50%;
    animation: filament-flicker 0.1s ease-in-out infinite alternate;
}

@keyframes filament-flicker {
    0% { opacity: 0.8; }
    100% { opacity: 1; }
}

.led-decoration h4 {
    position: relative;
    z-index: 2;
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
    text-shadow: 0 0 20px rgba(255,255,255,0.3);
    margin-bottom: 10px;
}

.led-decoration p {
    position: relative;
    z-index: 2;
    color: rgba(255,255,255,0.7);
    font-size: 1rem;
}

/* LED Strip Animation */
.led-strip {
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 20px 0;
    flex-wrap: wrap;
}

.led-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    animation: led-dot-blink 1.5s ease-in-out infinite;
    box-shadow: 0 0 15px currentColor, 0 0 30px currentColor;
}

.led-dot:nth-child(1) { color: #ff0040; background: #ff0040; animation-delay: 0s; }
.led-dot:nth-child(2) { color: #ff6600; background: #ff6600; animation-delay: 0.2s; }
.led-dot:nth-child(3) { color: #ffaa00; background: #ffaa00; animation-delay: 0.4s; }
.led-dot:nth-child(4) { color: #00ff88; background: #00ff88; animation-delay: 0.6s; }
.led-dot:nth-child(5) { color: #00d4ff; background: #00d4ff; animation-delay: 0.8s; }
.led-dot:nth-child(6) { color: #0066ff; background: #0066ff; animation-delay: 1.0s; }
.led-dot:nth-child(7) { color: #ff00ff; background: #ff00ff; animation-delay: 1.2s; }
.led-dot:nth-child(8) { color: #ff0040; background: #ff0040; animation-delay: 1.4s; }

@keyframes led-dot-blink {
    0%, 100% { opacity: 0.3; transform: scale(0.8); }
    50% { opacity: 1; transform: scale(1.2); }
}

/* Footer */
.footer {
    background: var(--gradient-dark);
    border-top: 3px solid var(--secondary);
    padding: 50px 20px 30px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 30% 50%, rgba(26,95,42,0.2) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 50%, rgba(232,185,35,0.1) 0%, transparent 50%);
}

.footer-content {
    position: relative;
    z-index: 2;
    max-width: 1400px;
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.footer-section h4 {
    color: var(--secondary);
    font-size: 1.1rem;
    margin-bottom: 20px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-section h4 i {
    font-size: 1.3rem;
}

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

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

.footer-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 0.95rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-links a:hover {
    color: var(--secondary);
    padding-left: 5px;
}

.footer-links a i {
    color: var(--secondary);
    font-size: 0.8rem;
}

.footer-contact {
    color: rgba(255,255,255,0.7);
    font-size: 0.95rem;
    line-height: 2;
}

.footer-contact strong {
    color: var(--secondary);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 25px;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.footer-bottom .copyright {
    color: var(--secondary);
    font-weight: 600;
    font-size: 0.95rem;
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-gold);
    color: var(--dark);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 4px 20px rgba(232,185,35,0.4);
    transition: var(--transition);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

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

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(232,185,35,0.6);
}

/* Scroll Animation */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */


/* ============================================
   Hamburger Menu Styles
   ============================================ */

.hamburger-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    background: transparent;
    border: 2px solid var(--secondary);
    border-radius: 8px;
    cursor: pointer;
    padding: 8px;
    gap: 5px;
    transition: var(--transition);
    z-index: 1001;
    flex-shrink: 0;
}

.hamburger-btn:hover {
    background: rgba(232,185,35,0.15);
    box-shadow: 0 0 15px rgba(232,185,35,0.3);
}

.hamburger-btn span {
    display: block;
    width: 24px;
    height: 3px;
    background: var(--secondary);
    border-radius: 2px;
    transition: var(--transition);
    transform-origin: center;
}

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

.hamburger-btn.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

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

.nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    z-index: 998;
    backdrop-filter: blur(5px);
}

.nav-overlay.active {
    display: block;
}

/* Mobile Logo in nav bar */
.mobile-nav-logo {
    display: none;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.mobile-nav-logo img {
    width: 36px;
    height: 36px;
    object-fit: contain;
    filter: drop-shadow(0 0 5px rgba(232,185,35,0.5));
}

.mobile-nav-logo span {
    color: var(--secondary);
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
}

@media (max-width: 768px) {
    .hamburger-btn {
        display: flex;
        margin-left: auto;
    }

    .mobile-nav-logo {
        display: flex;
    }

    .nav-container {
        position: relative;
        padding: 10px 15px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 15px;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: linear-gradient(180deg, #0a0a0a 0%, #1a1a2e 100%);
        flex-direction: column;
        padding: 80px 20px 30px;
        gap: 5px;
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 999;
        border-left: 3px solid var(--secondary);
        box-shadow: -10px 0 40px rgba(0,0,0,0.5);
        overflow-y: auto;
    }

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

    .nav-links a {
        padding: 14px 18px;
        font-size: 1rem;
        border-bottom: 1px solid rgba(255,255,255,0.08);
        border-radius: 8px;
        display: flex;
        align-items: center;
        gap: 12px;
    }

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

    .nav-links a:hover,
    .nav-links a.active {
        background: rgba(232,185,35,0.1);
        color: var(--secondary);
    }

    .nav-links a i {
        font-size: 1.1rem;
        width: 24px;
        text-align: center;
    }

    .nav-cta {
        margin: 10px 0 0 0;
        text-align: center;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .nav-links {
        width: 260px;
    }

    .hamburger-btn {
        width: 40px;
        height: 40px;
        padding: 6px;
    }

    .hamburger-btn span {
        width: 20px;
        height: 2.5px;
    }

    .mobile-nav-logo img {
        width: 32px;
        height: 32px;
        flex-shrink: 0;
    }

    .mobile-nav-logo span {
        font-size: 0.75rem;
        flex-shrink: 0;
    }
}


@media (max-width: 768px) {
}

@media (max-width: 480px) {
}


@media (max-width: 768px) {
    .header-top {
        flex-direction: column;
        gap: 15px;
        padding: 15px 20px;
    }

    .contact-badges {
        justify-content: center;
    }

    .hero h2 {
        font-size: 1.8rem;
    }

    .hero .subtitle {
        font-size: 1.1rem;
    }

    .nav-container {
        flex-direction: column;
        padding: 10px;
    }

    .nav-links {
        width: 100%;
        justify-content: center;
    }

    .section-body {
        padding: 20px;
    }

    .info-grid,
    .product-grid,
    .image-gallery {
        grid-template-columns: 1fr;
    }

    .led-bulb {
        width: 60px;
        height: 90px;
    }

    .led-bulb .bulb-glass {
        width: 45px;
        height: 45px;
    }

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

@media (max-width: 480px) {
    .hero h2 {
        font-size: 1.4rem;
    }

    .section-header h3 {
        font-size: 1.1rem;
    }

    .data-table th,
    .data-table td {
        padding: 10px 12px;
        font-size: 0.85rem;
    }
}

/* Print Styles */
@media print {
    .led-particles,
    .nav-bar,
    .back-to-top,
    .led-decoration {
        display: none !important;
    }

    .section {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }

    body {
        background: white;
        color: black;
    }
}