:root {
    --primary: #0055FF;
    --secondary: #00AAFF;
    --dark-bg: #1A1A1A;
    --darker-bg: #0A0A23;
    --light-bg: #FFFFFF;
    --gray-bg: #F8F9FA;
    --text: #333333;
    --text-inverse: #F5F5F5;
    --border: #E0E0E0;
    --success: #28A745;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--text);
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Unbounded', sans-serif;
    font-weight: 600;
    line-height: 1.3;
}

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

.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
    font-size: 2.5rem;
}

.gradient-text {
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.btn {
    display: inline-block;
    padding: 15px 30px;
    border: none;
    border-radius: 8px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--text-inverse);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 85, 255, 0.3);
}

/* Header Styles */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
    color: var(--text-inverse);
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 35, 0.7);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 600px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 15px 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'Unbounded', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text-inverse);
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    color: var(--text-inverse);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.service-card {
    background: var(--light-bg);
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-inverse);
    font-size: 2rem;
}

/* Advantages */
.advantages {
    background: var(--gray-bg);
}

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

.advantage-item {
    text-align: center;
}

.advantage-number {
    width: 60px;
    height: 60px;
    background: var(--secondary);
    color: var(--text-inverse);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 20px;
}

/* Calculator */
.calculator {
    background: var(--darker-bg);
    color: var(--text-inverse);
}

.calculator-container {
    max-width: 800px;
    margin: 0 auto;
}

.calc-section {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 12px;
    margin-bottom: 30px;
}

.calc-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.calc-item:last-child {
    border-bottom: none;
}

.quantity-controls {
    display: flex;
    align-items: center;
    gap: 15px;
}

.quantity-btn {
    width: 35px;
    height: 35px;
    border: none;
    border-radius: 50%;
    background: var(--primary);
    color: var(--text-inverse);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: background 0.3s ease;
}

.quantity-btn:hover {
    background: var(--secondary);
}

.quantity-display {
    font-size: 1.2rem;
    font-weight: 600;
    min-width: 40px;
    text-align: center;
}

.radio-group {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.calc-total {
    text-align: center;
    margin-top: 40px;
    padding: 30px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
}

.total-amount {
    font-size: 3rem;
    font-weight: 700;
    color: var(--secondary);
    margin: 10px 0;
}

/* Price List Accordion */
.price-accordion {
    max-width: 800px;
    margin: 0 auto;
}

.accordion-item {
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
}

.accordion-header {
    background: var(--gray-bg);
    padding: 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    transition: background 0.3s ease;
}

.accordion-header:hover {
    background: var(--border);
}

.accordion-header.active {
    border-left: 4px solid var(--primary);
}

.accordion-content {
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.accordion-content.active {
    padding: 20px;
    max-height: 1000px;
}

.price-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}

.price-item:last-child {
    border-bottom: none;
}

/* Clients */
.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 30px;
    align-items: center;
}

.client-logo {
    background: var(--light-bg);
    padding: 20px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.1);
}

/* Testimonials */
.testimonials {
    background: var(--gray-bg);
}

.testimonials-slider {
    max-width: 800px;
    margin: 0 auto;
}

.testimonial-card {
    background: var(--light-bg);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.testimonial-author {
    font-weight: 600;
    color: var(--primary);
}

/* Contacts */
.contacts {
    background: var(--darker-bg);
    color: var(--text-inverse);
}

.contacts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.contact-icon {
    width: 24px;
    height: 24px;
    color: var(--secondary);
    flex-shrink: 0;
}

.map-container {
    height: 400px;
    border-radius: 12px;
    overflow: hidden;
}

/* Footer */
.footer {
    background: var(--darker-bg);
    color: var(--text-inverse);
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    font-family: 'Unbounded', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--text-inverse);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--secondary);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .contacts-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        display: none;
    }
}