/* CSS Variables */
:root {
    --color-primary: #ff6b00;
    --color-primary-dark: #e55a00;
    --color-primary-light: #ff8533;
    --color-dark: #1a1a1a;
    --color-darker: #0d0d0d;
    --color-light: #ffffff;
    --color-gray-100: #f8f9fa;
    --color-gray-200: #e9ecef;
    --color-gray-500: #adb5bd;
    --color-gray-600: #6c757d;
    --color-gray-900: #212529;
    
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --duration: 0.3s;
    
    --container-max: 1200px;
    --header-height: 80px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--color-gray-900);
    background-color: var(--color-light);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Section */
.section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, rgba(255, 107, 0, 0.1), rgba(255, 107, 0, 0.05));
    border: 1px solid rgba(255, 107, 0, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.5px;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-size: 1rem;
    font-weight: 600;
    transition: transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease), background var(--duration) var(--ease), border-color var(--duration) var(--ease);
    cursor: pointer;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-light);
    box-shadow: 0 4px 15px rgba(255, 107, 0, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(255, 107, 0, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-light);
    border: 2px solid rgba(255, 255, 255, 0.3);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    z-index: 1000;
    transition: background var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}

.navbar.scrolled {
    background: rgba(26, 26, 26, 0.95);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border-radius: var(--radius-sm);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-light);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-light);
}

.logo-accent {
    color: var(--color-primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-links a {
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    transition: color var(--duration) var(--ease);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--duration) var(--ease);
}

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

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

.nav-phone {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-light) !important;
    font-weight: 600;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(255, 107, 0, 0.1);
    border-radius: var(--radius-full);
    border: 1px solid rgba(255, 107, 0, 0.3);
    transition: background var(--duration) var(--ease), border-color var(--duration) var(--ease);
}

.nav-phone:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-xs);
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--color-light);
    transition: transform var(--duration) var(--ease), opacity var(--duration) var(--ease);
}

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

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

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(26, 26, 26, 0.98);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    padding: var(--spacing-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--duration) var(--ease), opacity var(--duration) var(--ease), visibility var(--duration);
    z-index: 999;
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.mobile-nav-links a {
    color: var(--color-light);
    font-size: 1.25rem;
    font-weight: 500;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: background var(--duration) var(--ease);
}

.mobile-nav-links a:hover {
    background: rgba(255, 255, 255, 0.1);
}

.mobile-phone {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    background: var(--color-primary) !important;
    margin-top: var(--spacing-sm);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.92) 0%, rgba(13, 13, 13, 0.88) 100%);
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255, 107, 0, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 107, 0, 0.1) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    text-align: center;
    padding: var(--spacing-3xl) 0;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(255, 107, 0, 0.15);
    border: 1px solid rgba(255, 107, 0, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.hero-title {
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: 800;
    color: var(--color-light);
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.text-accent {
    color: var(--color-primary);
}

.hero-subtitle {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

.hero-description {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.7);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
}

.hero-scroll {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.hero-scroll a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    color: var(--color-light);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    transition: background var(--duration) var(--ease), transform var(--duration) var(--ease);
}

.hero-scroll a:hover {
    background: var(--color-primary);
    transform: translateY(-4px);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* Advantages Section */
.advantages {
    background: var(--color-gray-100);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.advantage-card {
    background: var(--color-light);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
    position: relative;
    overflow: hidden;
    will-change: transform;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    transform: scaleX(0);
    transition: transform var(--duration) var(--ease);
}

.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

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

.advantage-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(255, 107, 0, 0.1), rgba(255, 107, 0, 0.05));
    border-radius: var(--radius-md);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.advantage-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.advantage-card p {
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* Services Section */
.services {
    background: var(--color-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background: var(--color-light);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-200);
    transition: transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease), border-color var(--duration) var(--ease);
    position: relative;
    overflow: hidden;
    will-change: transform;
}

.service-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 107, 0, 0.05), transparent);
    opacity: 0;
    transition: opacity var(--duration) var(--ease);
}

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

.service-card:hover::after {
    opacity: 1;
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border-radius: var(--radius-md);
    color: var(--color-light);
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.service-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
    position: relative;
    z-index: 1;
}

.service-card p {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

/* Why Us Section */
.why-us {
    background: var(--color-dark);
    color: var(--color-light);
}

.why-us .section-badge {
    background: rgba(255, 107, 0, 0.2);
    border-color: rgba(255, 107, 0, 0.4);
}

.why-us .section-title {
    color: var(--color-light);
}

.why-us .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-3xl);
}

.stat-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: background var(--duration) var(--ease), border-color var(--duration) var(--ease), transform var(--duration) var(--ease);
    will-change: transform;
}

.stat-card:hover {
    background: rgba(255, 107, 0, 0.1);
    border-color: rgba(255, 107, 0, 0.3);
    transform: translateY(-4px);
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
    display: inline;
}

.stat-suffix {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    display: inline;
}

.stat-label {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: var(--spacing-sm);
}

.why-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.why-feature {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: background var(--duration) var(--ease), border-color var(--duration) var(--ease);
}

.why-feature:hover {
    background: rgba(255, 107, 0, 0.05);
    border-color: rgba(255, 107, 0, 0.2);
}

.why-feature-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 107, 0, 0.15);
    border-radius: var(--radius-sm);
    color: var(--color-primary);
}

.why-feature h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.why-feature p {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.6);
}

/* Contacts Section */
.contacts {
    background: var(--color-gray-100);
}

.contacts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.contacts-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-card {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--color-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--duration) var(--ease), transform var(--duration) var(--ease);
}

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

.contact-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(255, 107, 0, 0.1), rgba(255, 107, 0, 0.05));
    border-radius: var(--radius-sm);
    color: var(--color-primary);
}

.contact-details h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-details p {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-dark);
}

.contact-details a {
    color: var(--color-primary);
}

.contact-details a:hover {
    text-decoration: underline;
}

.contact-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.contact-buttons .btn {
    flex: 1;
    justify-content: center;
}

.contacts-map {
    position: relative;
}

.map-wrapper {
    width: 100%;
    height: 400px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: var(--color-gray-200);
}

.map-wrapper iframe {
    width: 100%;
    height: 100%;
}

/* Footer */
.footer {
    background: var(--color-darker);
    color: var(--color-light);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    margin-top: var(--spacing-md);
    max-width: 300px;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-light);
}

.footer-links ul,
.footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--duration) var(--ease);
}

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

.footer-contact li {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.6);
}

.footer-contact svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.6);
}

.footer-contact a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.875rem;
}

/* Animations */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].animated {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
    .contacts-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }
    
    .hero-bg {
        background-attachment: scroll;
    }
    
    .nav-links {
        display: none;
    }
    
    .nav-phone {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-title {
        font-size: clamp(2.5rem, 8vw, 4rem);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .why-features {
        grid-template-columns: 1fr;
    }
    
    .contact-buttons {
        flex-direction: column;
    }
    
    .map-wrapper {
        height: 300px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand p {
        margin: var(--spacing-md) auto 0;
    }
}

@media (max-width: 480px) {
    .section {
        padding: var(--spacing-2xl) 0;
    }
    
    .hero-content {
        padding: var(--spacing-2xl) 0;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
}

/* 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;
    }
    
    [data-animate] {
        opacity: 1;
        transform: none;
    }
}

/* Focus styles */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}