/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Light Theme Colors - Green Energy Saving Theme */
    --primary-color: #059669;
    --primary-dark: #047857;
    --secondary-color: #10b981;
    --accent-color: #34d399;
    --energy-green: #22c55e;
    --eco-green: #16a34a;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f0fdf4;
    --bg-tertiary: #ecfdf5;
    --border-color: #d1fae5;
    --shadow-light: 0 1px 3px rgba(34, 197, 94, 0.1);
    --shadow-medium: 0 4px 6px rgba(34, 197, 94, 0.1);
    --shadow-heavy: 0 10px 25px rgba(34, 197, 94, 0.15);
    --gradient-primary: linear-gradient(135deg, #059669 0%, #10b981 100%);
    --gradient-secondary: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    --gradient-energy: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
}

[data-theme="dark"] {
    /* Dark Theme Colors - Green Energy Saving Theme */
    --primary-color: #10b981;
    --primary-dark: #059669;
    --secondary-color: #34d399;
    --accent-color: #6ee7b7;
    --energy-green: #22c55e;
    --eco-green: #16a34a;
    --text-primary: #f0fdf4;
    --text-secondary: #d1fae5;
    --text-light: #a7f3d0;
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --border-color: #475569;
    --shadow-light: 0 1px 3px rgba(16, 185, 129, 0.3);
    --shadow-medium: 0 4px 6px rgba(16, 185, 129, 0.3);
    --shadow-heavy: 0 10px 25px rgba(16, 185, 129, 0.4);
    --gradient-primary: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    --gradient-secondary: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    --gradient-energy: linear-gradient(135deg, #1e293b 0%, #334155 100%);
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(34, 197, 94, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(5, 150, 105, 0.03) 0%, transparent 50%);
    background-size: 100% 100%, 100% 100%, 100% 100%;
    transition: all 0.3s ease;
}

/* Electrical/Electronic/Chip Icon Background Pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="tech-pattern" width="50" height="50" patternUnits="userSpaceOnUse"><g opacity="0.03"><circle cx="10" cy="10" r="1" fill="%23059669"/><rect x="20" y="8" width="4" height="4" fill="%2310b981"/><path d="M30 10 L35 10 L35 15 L30 15 Z" fill="%2322c55e"/><circle cx="40" cy="12" r="2" fill="%2316a34a"/><rect x="8" y="20" width="6" height="2" fill="%23059669"/><circle cx="20" cy="22" r="1.5" fill="%2310b981"/><rect x="28" y="20" width="3" height="3" fill="%2322c55e"/><circle cx="38" cy="22" r="1" fill="%2316a34a"/><rect x="8" y="30" width="4" height="4" fill="%23059669"/><circle cx="18" cy="32" r="1.5" fill="%2310b981"/><rect x="25" y="30" width="5" height="2" fill="%2322c55e"/><circle cx="35" cy="32" r="1" fill="%2316a34a"/><rect x="8" y="40" width="3" height="3" fill="%23059669"/><circle cx="15" cy="42" r="1" fill="%2310b981"/><rect x="22" y="40" width="4" height="4" fill="%2322c55e"/><circle cx="32" cy="42" r="1.5" fill="%2316a34a"/></g></pattern></defs><rect width="100" height="100" fill="url(%23tech-pattern)"/></svg>');
    background-size: 200px 200px;
    pointer-events: none;
    z-index: -1;
}

[data-theme="dark"] body::before {
    background-image: 
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="tech-pattern-dark" width="50" height="50" patternUnits="userSpaceOnUse"><g opacity="0.08"><circle cx="10" cy="10" r="1" fill="%2310b981"/><rect x="20" y="8" width="4" height="4" fill="%2334d399"/><path d="M30 10 L35 10 L35 15 L30 15 Z" fill="%2322c55e"/><circle cx="40" cy="12" r="2" fill="%2316a34a"/><rect x="8" y="20" width="6" height="2" fill="%2310b981"/><circle cx="20" cy="22" r="1.5" fill="%2334d399"/><rect x="28" y="20" width="3" height="3" fill="%2322c55e"/><circle cx="38" cy="22" r="1" fill="%2316a34a"/><rect x="8" y="30" width="4" height="4" fill="%2310b981"/><circle cx="18" cy="32" r="1.5" fill="%2334d399"/><rect x="25" y="30" width="5" height="2" fill="%2322c55e"/><circle cx="35" cy="32" r="1" fill="%2316a34a"/><rect x="8" y="40" width="3" height="3" fill="%2310b981"/><circle cx="15" cy="42" r="1" fill="%2334d399"/><rect x="22" y="40" width="4" height="4" fill="%2322c55e"/><circle cx="32" cy="42" r="1.5" fill="%2316a34a"/></g></pattern></defs><rect width="100" height="100" fill="url(%23tech-pattern-dark)"/></svg>');
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

[data-theme="dark"] .navbar {
    background: rgba(17, 24, 39, 0.95);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo h2 {
    color: var(--primary-color);
    font-weight: 800;
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

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

.nav-toggle {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.theme-toggle {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    background: var(--bg-secondary);
    transform: rotate(180deg);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-energy);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="hero-tech" width="30" height="30" patternUnits="userSpaceOnUse"><g opacity="0.1"><circle cx="5" cy="5" r="1" fill="%23059669"/><rect x="12" y="3" width="3" height="3" fill="%2310b981"/><path d="M20 5 L23 5 L23 8 L20 8 Z" fill="%2322c55e"/><circle cx="28" cy="7" r="1.5" fill="%2316a34a"/><rect x="3" y="12" width="4" height="2" fill="%23059669"/><circle cx="10" cy="13" r="1" fill="%2310b981"/><rect x="16" y="12" width="2" height="2" fill="%2322c55e"/><circle cx="22" cy="13" r="0.8" fill="%2316a34a"/><rect x="3" y="20" width="3" height="3" fill="%23059669"/><circle cx="9" cy="22" r="1.2" fill="%2310b981"/><rect x="14" y="20" width="4" height="2" fill="%2322c55e"/><circle cx="21" cy="22" r="1" fill="%2316a34a"/><rect x="3" y="28" width="2" height="2" fill="%23059669"/><circle cx="8" cy="29" r="0.8" fill="%2310b981"/><rect x="13" y="28" width="3" height="3" fill="%2322c55e"/><circle cx="19" cy="29" r="1.2" fill="%2316a34a"/></g></pattern></defs><rect width="100" height="100" fill="url(%23hero-tech)"/></svg>');
    background-size: 150px 150px;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    animation: slideInLeft 1s ease-out;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.title-line {
    display: block;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

.title-line:nth-child(1) { animation-delay: 0.2s; }
.title-line:nth-child(2) { animation-delay: 0.4s; }
.title-line:nth-child(3) { animation-delay: 0.6s; }

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

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.8s forwards;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 1s forwards;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-medium);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-heavy);
}

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

.btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: slideInRight 1s ease-out;
}

.smart-home-preview {
    position: relative;
    width: 300px;
    height: 300px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: float 3s ease-in-out infinite;
}

.device-icon {
    position: absolute;
    width: 60px;
    height: 60px;
    background: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    color: var(--primary-color);
    box-shadow: var(--shadow-medium);
    animation: pulse 2s ease-in-out infinite;
}

.device-1 { top: 20px; left: 50%; transform: translateX(-50%); animation-delay: 0s; }
.device-2 { top: 50%; right: 20px; transform: translateY(-50%); animation-delay: 0.5s; }
.device-3 { bottom: 20px; left: 50%; transform: translateX(-50%); animation-delay: 1s; }
.device-4 { top: 50%; left: 20px; transform: translateY(-50%); animation-delay: 1.5s; }

/* Services Section */
.services {
    padding: 100px 0;
    background: var(--bg-secondary);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="services-tech" width="40" height="40" patternUnits="userSpaceOnUse"><g opacity="0.05"><circle cx="8" cy="8" r="1" fill="%23059669"/><rect x="18" y="6" width="3" height="3" fill="%2310b981"/><path d="M28 8 L31 8 L31 11 L28 11 Z" fill="%2322c55e"/><circle cx="38" cy="10" r="1.5" fill="%2316a34a"/><rect x="6" y="18" width="5" height="2" fill="%23059669"/><circle cx="16" cy="20" r="1.2" fill="%2310b981"/><rect x="24" y="18" width="2" height="2" fill="%2322c55e"/><circle cx="32" cy="20" r="1" fill="%2316a34a"/><rect x="6" y="28" width="3" height="3" fill="%23059669"/><circle cx="14" cy="30" r="1.3" fill="%2310b981"/><rect x="20" y="28" width="4" height="2" fill="%2322c55e"/><circle cx="28" cy="30" r="1" fill="%2316a34a"/><rect x="6" y="38" width="2" height="2" fill="%23059669"/><circle cx="12" cy="40" r="1" fill="%2310b981"/><rect x="18" y="38" width="3" height="3" fill="%2322c55e"/><circle cx="26" cy="40" r="1.2" fill="%2316a34a"/></g></pattern></defs><rect width="100" height="100" fill="url(%23services-tech)"/></svg>');
    background-size: 160px 160px;
    pointer-events: none;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.service-card {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: center;
    background: var(--bg-primary);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(50px);
}

.service-card:nth-child(even) {
    grid-template-columns: 2fr 1fr;
}

.service-card:nth-child(even) .service-image {
    order: 2;
}

.service-card.animate {
    opacity: 1;
    transform: translateY(0);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-heavy);
}

.service-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.service-icon {
    width: 120px;
    height: 120px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 3rem;
    color: white;
    animation: pulse 2s ease-in-out infinite;
}

.service-content h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.service-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.service-features {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
}

.service-features li {
    color: var(--text-secondary);
    font-size: 0.95rem;
    position: relative;
    padding-left: 1.5rem;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

/* Banner Section */
.banner {
    padding: 100px 0;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="banner-tech" width="25" height="25" patternUnits="userSpaceOnUse"><g opacity="0.15"><circle cx="5" cy="5" r="1" fill="white"/><rect x="12" y="3" width="2" height="2" fill="white"/><path d="M18 5 L21 5 L21 8 L18 8 Z" fill="white"/><circle cx="25" cy="7" r="1" fill="white"/><rect x="3" y="12" width="3" height="1" fill="white"/><circle cx="9" cy="13" r="0.8" fill="white"/><rect x="14" y="12" width="2" height="2" fill="white"/><circle cx="19" cy="13" r="0.6" fill="white"/><rect x="3" y="18" width="2" height="2" fill="white"/><circle cx="8" cy="19" r="1" fill="white"/><rect x="13" y="18" width="3" height="1" fill="white"/><circle cx="19" cy="19" r="0.8" fill="white"/><rect x="3" y="25" width="1" height="1" fill="white"/><circle cx="7" cy="26" r="0.6" fill="white"/><rect x="12" y="25" width="2" height="2" fill="white"/><circle cx="17" cy="26" r="1" fill="white"/></g></pattern></defs><rect width="100" height="100" fill="url(%23banner-tech)"/></svg>');
    background-size: 100px 100px;
}

.banner-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.banner-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
}

.banner-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.lights-container {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
}

.light {
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    animation: blink 1.5s ease-in-out infinite;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
}

.light:nth-child(1) { animation-delay: 0s; }
.light:nth-child(2) { animation-delay: 0.3s; }
.light:nth-child(3) { animation-delay: 0.6s; }
.light:nth-child(4) { animation-delay: 0.9s; }
.light:nth-child(5) { animation-delay: 1.2s; }

.quotation-btn {
    position: relative;
    background: white;
    color: var(--primary-color);
    border: none;
    padding: 16px 32px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-heavy);
    overflow: hidden;
}

.quotation-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.btn-pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50px;
    transform: translate(-50%, -50%) scale(0);
    animation: pulse-ring 2s ease-out infinite;
}

.btn-icon {
    transition: transform 0.3s ease;
}

.quotation-btn:hover .btn-icon {
    transform: translateX(5px);
}

/* About Section */
.about {
    padding: 100px 0;
    background: var(--bg-primary);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="about-tech" width="35" height="35" patternUnits="userSpaceOnUse"><g opacity="0.04"><circle cx="7" cy="7" r="1" fill="%23059669"/><rect x="16" y="5" width="3" height="3" fill="%2310b981"/><path d="M25 7 L28 7 L28 10 L25 10 Z" fill="%2322c55e"/><circle cx="33" cy="9" r="1.5" fill="%2316a34a"/><rect x="5" y="16" width="4" height="2" fill="%23059669"/><circle cx="14" cy="18" r="1.1" fill="%2310b981"/><rect x="21" cy="16" width="2" height="2" fill="%2322c55e"/><circle cx="28" cy="18" r="1" fill="%2316a34a"/><rect x="5" y="25" width="3" height="3" fill="%23059669"/><circle cx="12" cy="27" r="1.2" fill="%2310b981"/><rect x="18" cy="25" width="3" height="2" fill="%2322c55e"/><circle cx="25" cy="27" r="1" fill="%2316a34a"/><rect x="5" cy="33" width="2" height="2" fill="%23059669"/><circle cx="11" cy="35" r="1" fill="%2310b981"/><rect x="16" cy="33" width="3" height="3" fill="%2322c55e"/><circle cx="23" cy="35" r="1.1" fill="%2316a34a"/></g></pattern></defs><rect width="100" height="100" fill="url(%23about-tech)"/></svg>');
    background-size: 140px 140px;
    pointer-events: none;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.about-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: 12px;
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.tech-stack {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem;
    background: var(--bg-secondary);
    border-radius: 16px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.tech-item:hover {
    transform: translateY(-5px);
    background: var(--gradient-primary);
    color: white;
}

.tech-item i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    transition: color 0.3s ease;
}

.tech-item:hover i {
    color: white;
}

.tech-item span {
    font-weight: 600;
    font-size: 1.1rem;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    padding: 60px 0 20px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-weight: 600;
}

.footer-section p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.footer-section ul li i {
    margin-right: 0.5rem;
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

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

@keyframes blink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.3;
    }
}

@keyframes pulse-ring {
    0% {
        transform: translate(-50%, -50%) scale(0);
        opacity: 1;
    }
    100% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .smart-home-preview {
        width: 250px;
        height: 250px;
    }
    
    .device-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .service-card {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 2rem;
    }
    
    .service-card:nth-child(even) {
        grid-template-columns: 1fr;
    }
    
    .service-card:nth-child(even) .service-image {
        order: 0;
    }
    
    .service-features {
        grid-template-columns: 1fr;
    }
    
    .banner-title {
        font-size: 2rem;
    }
    
    .lights-container {
        gap: 1rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tech-stack {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .service-card {
        padding: 1.5rem;
    }
    
    .service-icon {
        width: 80px;
        height: 80px;
        font-size: 2rem;
    }
    
    .banner-title {
        font-size: 1.8rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-stack {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}