:root {
    --primary-dark: #0a192f;
    --primary-blue: #00d4ff;
    --accent-orange: #ff6b35;
    --text-light: #ffffff;
    --text-muted: #8892b0;
    --bg-light: #ffffff;
    --bg-dark: #0a192f;
    --bg-gray: #f4f4f4;
    --shadow-light: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-dark: 0 10px 30px rgba(0, 0, 0, 0.3);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-main: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    --max-width: 1400px;
    --header-height: 80px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.6;
    color: #333;
    background-color: var(--bg-light);
    overflow-x: hidden;
}

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

ul, ol {
    list-style: none;
}

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

button {
    cursor: pointer;
    border: none;
    outline: none;
    font-family: inherit;
    transition: var(--transition-smooth);
}

input, textarea {
    font-family: inherit;
    border: none;
    outline: none;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 20px;
    text-align: center;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 60px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.highlight {
    color: var(--primary-blue);
}

.btn {
    display: inline-block;
    padding: 16px 40px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    transition: var(--transition-smooth);
    text-align: center;
    min-width: 180px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue) 0%, #0099cc 100%);
    color: var(--text-light);
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.6);
}

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

.btn-secondary:hover {
    background: var(--primary-blue);
    color: var(--text-light);
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent-orange) 0%, #ff4500 100%);
    color: var(--text-light);
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
}

.btn-accent:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.6);
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(10, 25, 47, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition-smooth);
}

.header.scrolled {
    background: rgba(10, 25, 47, 1);
    box-shadow: var(--shadow-dark);
}

.header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-light);
    font-size: 1.5rem;
    font-weight: 700;
}

.logo__icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-orange) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.nav {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav__list {
    display: flex;
    gap: 40px;
}

.nav__link {
    color: var(--text-light);
    font-weight: 500;
    padding: 10px 0;
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: var(--transition-smooth);
}

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

.nav__link:hover {
    color: var(--primary-blue);
}

.nav__cta {
    padding: 12px 28px;
    font-size: 0.95rem;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: 10px;
    background: transparent;
}

.mobile-menu-btn span {
    display: block;
    width: 28px;
    height: 3px;
    background: var(--text-light);
    border-radius: 2px;
    transition: var(--transition-smooth);
}

.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-dark) 0%, #1a365d 50%, #0a192f 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,%3Csvg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"%3E%3Cg fill="none" fill-rule="evenodd"%3E%3Cg fill="%2300d4ff" fill-opacity="0.05"%3E%3Ccircle cx="30" cy="30" r="2"/%3E%3C/g%3E%3C/g%3E%3C/svg%3E');
    opacity: 0.8;
}

.hero__content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    padding: 0 20px;
}

.hero__title {
    font-size: 4.5rem;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 24px;
    line-height: 1.2;
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
}

.hero__subtitle {
    font-size: 1.5rem;
    color: var(--text-muted);
    margin-bottom: 16px;
    opacity: 0;
    animation: fadeInUp 1s ease 0.2s forwards;
}

.hero__description {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    opacity: 0;
    animation: fadeInUp 1s ease 0.4s forwards;
}

.hero__buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeInUp 1s ease 0.6s forwards;
}

.hero__stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 80px;
    opacity: 0;
    animation: fadeInUp 1s ease 0.8s forwards;
}

.hero__stat {
    text-align: center;
}

.hero__stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-blue);
    display: block;
    font-family: 'Orbitron', sans-serif;
}

.hero__stat-label {
    font-size: 1rem;
    color: var(--text-light);
    margin-top: 8px;
}

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

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

.features {
    padding: 120px 0;
    background: var(--bg-gray);
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.feature-card {
    background: var(--bg-light);
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-light);
    opacity: 0;
    transform: translateY(30px);
}

.feature-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-dark);
}

.feature-card__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, #0099cc 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
}

.feature-card__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 16px;
}

.feature-card__text {
    color: var(--text-muted);
    line-height: 1.8;
}

.services-preview {
    padding: 120px 0;
    background: var(--bg-light);
}

.services-preview__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.service-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    background: var(--bg-light);
    box-shadow: var(--shadow-light);
    transition: var(--transition-smooth);
    opacity: 0;
    transform: translateY(30px);
}

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

.service-card:hover {
    transform: translateY(-15px);
    box-shadow: var(--shadow-dark);
}

.service-card__image {
    width: 100%;
    height: 250px;
    background: linear-gradient(135deg, var(--primary-dark) 0%, #1a365d 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: var(--primary-blue);
}

.service-card__content {
    padding: 30px;
}

.service-card__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 16px;
}

.service-card__text {
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.8;
}

.service-card__link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-blue);
    font-weight: 600;
    transition: var(--transition-smooth);
}

.service-card__link:hover {
    gap: 12px;
    color: var(--accent-orange);
}

.brands {
    padding: 100px 0;
    background: var(--primary-dark);
}

.brands__title {
    color: var(--text-light);
}

.brands__grid {
    display: flex;
    justify-content: center;
    gap: 80px;
    flex-wrap: wrap;
    margin-top: 60px;
}

.brand-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    transition: var(--transition-smooth);
    filter: grayscale(100%);
    opacity: 0.7;
}

.brand-item:hover {
    filter: grayscale(0%);
    opacity: 1;
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.brand-item__logo {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary-blue);
}

.brand-item__name {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-light);
}

.team {
    padding: 120px 0;
    background: var(--bg-gray);
}

.team__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.team-card {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: var(--transition-smooth);
    opacity: 0;
    transform: translateY(30px);
}

.team-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.team-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-dark);
}

.team-card__avatar {
    width: 120px;
    height: 120px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-orange) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}

.team-card__name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.team-card__role {
    color: var(--primary-blue);
    font-weight: 600;
    margin-bottom: 16px;
}

.team-card__text {
    color: var(--text-muted);
    line-height: 1.8;
}

.testimonials {
    padding: 120px 0;
    background: var(--bg-light);
    overflow: hidden;
}

.testimonials__slider {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.testimonials__track {
    display: flex;
    gap: 40px;
    animation: slide 20s linear infinite;
}

@keyframes slide {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.testimonial-card {
    min-width: 450px;
    background: var(--bg-gray);
    padding: 40px;
    border-radius: 20px;
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 20px;
    left: 30px;
    font-size: 6rem;
    color: var(--primary-blue);
    opacity: 0.2;
    line-height: 1;
}

.testimonial-card__text {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 24px;
    font-style: italic;
    position: relative;
    z-index: 1;
}

.testimonial-card__author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.testimonial-card__avatar {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-orange) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.testimonial-card__name {
    font-weight: 700;
    color: var(--primary-dark);
}

.testimonial-card__car {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.cta {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, #1a365d 100%);
    text-align: center;
}

.cta__title {
    color: var(--text-light);
    margin-bottom: 20px;
}

.cta__subtitle {
    color: var(--text-muted);
    font-size: 1.2rem;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta__buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta__phone {
    font-size: 2rem;
    color: var(--primary-blue);
    font-weight: 700;
    margin-top: 40px;
    display: block;
}

.footer {
    background: #020c1b;
    color: var(--text-light);
    padding: 80px 0 40px;
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer__brand {
    max-width: 300px;
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 24px;
}

.footer__logo__icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-orange) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer__description {
    color: var(--text-muted);
    line-height: 1.8;
}

.footer__title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 24px;
}

.footer__links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer__link {
    color: var(--text-muted);
    transition: var(--transition-smooth);
}

.footer__link:hover {
    color: var(--primary-blue);
}

.footer__contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    color: var(--text-muted);
}

.footer__contact-icon {
    font-size: 1.2rem;
    color: var(--primary-blue);
    margin-top: 2px;
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 40px;
    text-align: center;
    color: var(--text-muted);
}

.footer__social {
    display: flex;
    gap: 16px;
    margin-top: 24px;
    justify-content: center;
}

.footer__copyright {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    margin-top: 20px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.footer__copyright a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.footer__social-link {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition-smooth);
}

.footer__social-link:hover {
    background: var(--primary-blue);
    transform: scale(1.1);
}

.footer__links-section {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    margin-top: 20px;
    text-align: center;
}

.footer__links--horizontal {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    flex-direction: row;
}