/* ===================================
   3D Autoservice — Landing Page Styles
   Design System: Motul-inspired
   =================================== */

/* CSS Variables */
:root {
    /* Colors */
    --color-red: #E30613;
    --color-red-dark: #c40510;
    --color-white: #FFFFFF;
    --color-black: #000000;
    --color-dark-gray: #333333;
    --color-gray: #666666;
    --color-light-gray: #F5F5F5;
    --color-border: #DDDDDD;
    
    /* Typography */
    --font-primary: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 40px;
    --spacing-xl: 60px;
    --spacing-xxl: 80px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-dark-gray);
    background-color: var(--color-white);
    -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(--transition-fast);
}

ul {
    list-style: none;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Section Title */
.section-title {
    font-size: 2.5rem;
    font-weight: 900;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-black);
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--color-red);
    margin: var(--spacing-sm) auto 0;
}

/* Buttons */
.btn {
    display: inline-block;
    background: var(--color-red);
    color: var(--color-white);
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 2px solid var(--color-red);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
}

.btn:hover {
    background: var(--color-red-dark);
    border-color: var(--color-red-dark);
    color: var(--color-white);
}

.btn--small {
    padding: 10px 20px;
    font-size: 0.875rem;
}

.btn--large {
    padding: 18px 40px;
    font-size: 1.125rem;
}

.btn--outline {
    background: transparent;
    color: var(--color-red);
}

.btn--outline:hover {
    background: var(--color-red);
    color: var(--color-white);
}

/* ===================================
   Header
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    z-index: 9999;
    transition: box-shadow var(--transition-normal);
}

.header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-sm);
    min-height: 70px;
}

.header__logo {
    display: flex;
    flex-direction: column;
}

.header__logo-text {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--color-black);
    letter-spacing: 1px;
}

.header__logo-accent {
    color: var(--color-red);
}

.header__descriptor {
    font-size: 0.75rem;
    color: var(--color-gray);
    margin-top: 2px;
}

.header__nav {
    display: flex;
    gap: var(--spacing-md);
}

.header__link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-dark-gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: var(--spacing-xs) 0;
    position: relative;
}

.header__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-red);
    transition: width var(--transition-normal);
}

.header__link:hover {
    color: var(--color-red);
}

.header__link:hover::after {
    width: 100%;
}

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

.header__phone {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-black);
    white-space: nowrap;
}

.header__phone:hover {
    color: var(--color-red);
}

.header__burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.header__burger span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--color-dark-gray);
    transition: all var(--transition-fast);
}

.header__mobile-menu {
    display: none;
    flex-direction: column;
    background: var(--color-white);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-sm);
}

.header__mobile-link {
    padding: var(--spacing-sm);
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-dark-gray);
    border-bottom: 1px solid var(--color-light-gray);
}

.header__mobile-link:last-child {
    border-bottom: none;
}

.header__mobile-link:hover {
    color: var(--color-red);
    background: var(--color-light-gray);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    background-size: cover;
    background-position: center;
    padding-top: 70px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
    z-index: 1;
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(227, 6, 19, 0.1) 0%, rgba(0, 0, 0, 0.6) 100%);
    z-index: 2;
}

.hero__container {
    position: relative;
    z-index: 3;
    text-align: center;
    padding: var(--spacing-xxl) var(--spacing-sm);
}

.hero__title {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-sm);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    line-height: 1.1;
}

.hero__subtitle {
    font-size: 1.5rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    font-weight: 400;
    opacity: 0.9;
}

.hero__usp {
    font-size: 1.25rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
    opacity: 0.85;
}

.hero__accent {
    color: var(--color-red);
    font-weight: 700;
}

.hero__buttons {
    margin-bottom: var(--spacing-xl);
}

.hero__features {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.hero__feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-white);
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
}

.hero__feature-icon {
    width: 20px;
    height: 20px;
    color: var(--color-red);
}

/* ===================================
   About Section
   =================================== */
.about {
    padding: var(--spacing-xxl) 0;
    background: var(--color-white);
}

.about__container {
    max-width: 1000px;
}

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

.about__lead {
    font-size: 1.25rem;
    color: var(--color-dark-gray);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about__text p {
    margin-bottom: var(--spacing-md);
    color: var(--color-gray);
    line-height: 1.8;
}

.about__list {
    margin-top: var(--spacing-md);
}

.about__list li {
    position: relative;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    color: var(--color-dark-gray);
}

.about__list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-red);
    font-weight: 700;
}

.about__motul {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--color-light-gray);
    border-radius: var(--radius-lg);
}

.motul-logo {
    display: inline-block;
    background: var(--color-red);
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 2rem;
    font-weight: 900;
    text-transform: lowercase;
    letter-spacing: 2px;
    border-radius: var(--radius-sm);
}

.about__motul-text {
    margin-top: var(--spacing-sm);
    color: var(--color-gray);
    font-size: 0.9rem;
}

/* ===================================
   Services Section
   =================================== */
.services {
    padding: var(--spacing-xxl) 0;
    background: var(--color-light-gray);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

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

.service-card .btn {
    width: 100%;
    margin-top: auto;
}

.service-card__title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: var(--spacing-sm);
}

.service-card__description {
    color: var(--color-gray);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.service-card__list {
    margin-bottom: var(--spacing-md);
}

.service-card__list li {
    position: relative;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    color: var(--color-dark-gray);
    font-size: 0.9rem;
}

.service-card__list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-red);
    font-weight: 700;
}

/* ===================================
   Advantages Section
   =================================== */
.advantages {
    padding: var(--spacing-xxl) 0;
    background: var(--color-white);
}

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

.advantage-card {
    text-align: center;
    padding: var(--spacing-lg);
}

.advantage-card__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--color-red) 0%, var(--color-red-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.advantage-card__icon svg {
    width: 40px;
    height: 40px;
    color: var(--color-white);
}

.advantage-card__title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: var(--spacing-sm);
}

.advantage-card__text {
    color: var(--color-gray);
    line-height: 1.6;
}

/* ===================================
   Equipment Section
   =================================== */
.equipment {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: var(--color-white);
}

.equipment .section-title {
    color: var(--color-white);
}

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

.equipment__subtitle {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.equipment__text p {
    margin-bottom: var(--spacing-md);
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

.equipment__list {
    margin: var(--spacing-md) 0;
}

.equipment__list li {
    position: relative;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.9);
}

.equipment__list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-red);
    font-weight: 700;
}

.equipment__note {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(227, 6, 19, 0.2);
    border-left: 4px solid var(--color-red);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
}

.equipment__visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-lg);
}

.equipment__image {
    width: 100%;
    max-width: 300px;
    border-radius: var(--radius-lg);
    border: 2px solid rgba(227, 6, 19, 0.3);
    margin: var(--spacing-lg) var(--spacing-lg) var(--spacing-sm) var(--spacing-lg);
    padding: var(--spacing-sm);
}

.equipment__caption {
    margin-top: 0;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* ===================================
   Contacts Section
   =================================== */
.contacts {
    padding: var(--spacing-xxl) 0;
    background: var(--color-light-gray);
}

.contacts__content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    align-items: center;
}

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

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.contact-item__icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-red) 0%, var(--color-red-dark) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item__icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-white);
}

.contact-item__content {
    display: flex;
    flex-direction: column;
}

.contact-item__label {
    font-size: 0.875rem;
    color: var(--color-gray);
    margin-bottom: 4px;
}

.contact-item__value {
    font-size: 1.125rem;
    color: var(--color-dark-gray);
    font-weight: 500;
}

.contact-item__value:hover {
    color: var(--color-red);
}

.contacts__action {
    text-align: center;
}

.contacts__note {
    margin-top: var(--spacing-sm);
    color: var(--color-gray);
    font-size: 0.9rem;
}

.contacts__map {
    width: 100%;
    height: 450px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

/* ===================================
   Footer
   =================================== */
   
/* ===================================
   Poem Section
   =================================== */
.poem {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: var(--color-white);
}

.poem__container {
    max-width: 700px;
}

.poem__content {
    text-align: center;
    font-style: italic;
}

.poem__line {
    font-size: 1.125rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xs);
}

.footer {
    background: var(--color-dark-gray);
    color: var(--color-white);
    padding: var(--spacing-lg) 0;
}

.footer__container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    text-align: center;
}

.footer__logo-text {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 1px;
}

.footer__logo-accent {
    color: var(--color-red);
}

.footer__descriptor {
    display: block;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 4px;
}

.footer__links {
    display: flex;
    gap: var(--spacing-md);
}

.footer__link {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

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

.footer__copyright {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    width: 100%;
}

/* ===================================
   Responsive Styles
   =================================== */

/* Tablet */
@media (max-width: 992px) {
    .hero__title {
        font-size: 2.5rem;
    }
    
    .hero__subtitle {
        font-size: 1.25rem;
    }
    
    .about__content {
        grid-template-columns: 1fr;
    }
    
    .about__motul {
        order: -1;
    }
    
    .equipment__content {
        grid-template-columns: 1fr;
    }
    
    .contacts__content {
        grid-template-columns: 1fr;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --spacing-xxl: 48px;
        --spacing-xl: 32px;
        --spacing-lg: 24px;
    }
    
    .header__nav,
    .header__contacts {
        display: none;
    }
    
    .header__burger {
        display: flex;
    }
    
    .header.burger-active .header__mobile-menu {
        display: flex;
    }
    
    .header.burger-active .header__burger span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .header.burger-active .header__burger span:nth-child(2) {
        opacity: 0;
    }
    
    .header.burger-active .header__burger span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero__title {
        font-size: 1.75rem;
    }
    
    .hero__subtitle {
        font-size: 1rem;
    }
    
    .hero__usp {
        font-size: 1rem;
    }
    
    .hero__features {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .services__grid {
        grid-template-columns: 1fr;
    }
    
    .advantages__grid {
        grid-template-columns: 1fr;
    }
    
    .btn--large {
        padding: 14px 24px;
        font-size: 1rem;
    }
    
    .contacts__map {
        height: 300px;
    }
    
    .footer__links {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .hero__title {
        font-size: 1.5rem;
    }
    
    .hero__feature {
        font-size: 0.875rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .motul-logo {
        font-size: 1.5rem;
        padding: var(--spacing-xs) var(--spacing-md);
    }
    
    .service-card__title {
        font-size: 1.125rem;
    }
    
    .advantage-card__icon {
        width: 60px;
        height: 60px;
    }
    
    .advantage-card__icon svg {
        width: 30px;
        height: 30px;
    }
}

/* Print Styles */
@media print {
    .header,
    .hero__buttons,
    .service-card .btn,
    .contacts__action,
    .contacts__map {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
    }
    
    .section-title {
        font-size: 18pt;
    }
}