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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background-color: #ffffff;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

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

.logo-section {
    position: absolute;
    top: 20px;
    left: 20px;
    z-index: 1000;
}

.logo {
    height: 80px;
    width: auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 400;
    line-height: 1.5;
    margin-bottom: 32px;
    opacity: 0.95;
}

/* CTA Buttons */
.cta-button {
    background: #ff6b6b;
    color: white;
    border: none;
    padding: 16px 32px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-block;
    text-decoration: none;
}

.cta-button:hover {
    background: #ff5252;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 107, 107, 0.3);
}

.cta-button.large {
    padding: 20px 40px;
    font-size: 1.2rem;
}

/* Hero Animation */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.bulb-animation {
    position: relative;
    width: 200px;
    height: 300px;
}

.smart-bulb {
    width: 120px;
    height: 180px;
    background: #f8f9fa;
    border-radius: 60px 60px 20px 20px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.smart-bulb::before {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 20px;
    background: #e9ecef;
    border-radius: 10px;
}

.light-flash {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(255, 255, 0, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    animation: flash 2s infinite ease-in-out;
}

@keyframes flash {
    0%, 50% { opacity: 0; transform: translateX(-50%) scale(0.8); }
    25% { opacity: 1; transform: translateX(-50%) scale(1.2); }
    100% { opacity: 0; transform: translateX(-50%) scale(0.8); }
}

/* Benefits Section */
.benefits {
    padding: 100px 0;
    background: #f8f9fa;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.benefit {
    text-align: center;
    padding: 40px 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s ease;
}

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

.benefit-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.benefit h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: #2c3e50;
}

.benefit p {
    font-size: 1rem;
    color: #6c757d;
}

/* How It Works Section */
.how-it-works {
    padding: 100px 0;
}

.how-it-works h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 60px;
    color: #2c3e50;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.step {
    text-align: center;
    padding: 40px 20px;
}

.step-number {
    width: 60px;
    height: 60px;
    background: #667eea;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 auto 20px;
}

.step h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: #2c3e50;
}

.step p {
    color: #6c757d;
}

/* Testimonials Section */
.testimonials {
    padding: 100px 0;
    background: #f8f9fa;
}

.testimonials h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 60px;
    color: #2c3e50;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

.testimonial {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.testimonial blockquote {
    font-size: 1.2rem;
    font-style: italic;
    margin-bottom: 20px;
    color: #2c3e50;
    line-height: 1.6;
}

.testimonial cite {
    font-weight: 500;
    color: #6c757d;
    font-style: normal;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    text-align: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.cta-section h2 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 40px;
}

/* Sticky CTA */
.sticky-cta {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    opacity: 0;
    animation: slideUp 0.5s ease 2s forwards;
}

@keyframes slideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
    from {
        opacity: 0;
        transform: translateY(20px);
    }
}




/* Responsive Design */
@media (max-width: 768px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .benefits-grid,
    .steps,
    .testimonial-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonial-grid .testimonial {
        min-width: auto;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .benefits,
    .how-it-works,
    .testimonials,
    .cta-section {
        padding: 60px 0;
    }
    
    .how-it-works h2,
    .testimonials h2,
    .cta-section h2 {
        font-size: 2rem;
    }
    
    .sticky-cta {
        bottom: 15px;
        right: 15px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .cta-button {
        padding: 14px 24px;
        font-size: 1rem;
    }
    
    .cta-button.large {
        padding: 16px 32px;
        font-size: 1.1rem;
    }
}