/* ============================================
   АвтоПро Сервиз - Premium Auto Service
   Modern, Clean, Premium Design
   ============================================ */

/* === CSS Variables === */
:root {
    --primary: #0a0a0a;
    --primary-light: #1a1a2e;
    --accent: #c8a45a;
    --accent-hover: #d4b76a;
    --accent-dark: #a8863a;
    --white: #ffffff;
    --off-white: #f8f8f8;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #e5e5e5;
    --gray-300: #d4d4d4;
    --gray-400: #a3a3a3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 20px 40px rgba(0,0,0,0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0,0,0,0.25);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--gray-800);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

/* === Typography === */
h1, h2, h3, h4, h5 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--primary);
}

.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray-500);
    max-width: 600px;
}

.text-center { text-align: center; }
.text-center .section-subtitle { margin: 0 auto; }

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    letter-spacing: 0.3px;
}

.btn-primary {
    background: var(--accent);
    color: var(--primary);
}
.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(200, 164, 90, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255,255,255,0.3);
}
.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-dark {
    background: var(--primary);
    color: var(--white);
}
.btn-dark:hover {
    background: var(--gray-800);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-lg {
    padding: 18px 40px;
    font-size: 1.05rem;
}

/* === Navigation === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    padding: 12px 0;
    box-shadow: 0 4px 30px rgba(0,0,0,0.2);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
    letter-spacing: -0.5px;
}

.logo-icon {
    width: 42px;
    height: 42px;
    background: var(--accent);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-links a {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--white);
}

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

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

.nav-cta {
    padding: 10px 24px !important;
    background: var(--accent);
    color: var(--primary) !important;
    border-radius: 50px;
    font-weight: 600 !important;
}

.nav-cta::after { display: none !important; }
.nav-cta:hover {
    background: var(--accent-hover) !important;
    color: var(--primary) !important;
    transform: translateY(-1px);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
    border-radius: 2px;
}

/* === Hero Section === */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #0a0a0a 100%);
    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 1440 900"><defs><radialGradient id="a" cx="50%" cy="40%"><stop offset="0%" stop-color="%23c8a45a" stop-opacity="0.08"/><stop offset="100%" stop-color="transparent"/></radialGradient></defs><rect fill="url(%23a)" width="1440" height="900"/></svg>');
    background-size: cover;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(200, 164, 90, 0.1);
    border: 1px solid rgba(200, 164, 90, 0.2);
    border-radius: 50px;
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 28px;
}

.hero h1 {
    font-size: clamp(2.8rem, 5.5vw, 4.5rem);
    color: var(--white);
    margin-bottom: 24px;
    letter-spacing: -1.5px;
    line-height: 1.08;
}

.hero h1 span {
    background: linear-gradient(135deg, var(--accent), #e8d4a0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.6);
    margin-bottom: 40px;
    line-height: 1.7;
    max-width: 540px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 48px;
    margin-top: 64px;
    padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.hero-stat h3 {
    font-size: 2.2rem;
    color: var(--accent);
    font-weight: 800;
}

.hero-stat p {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.4);
    margin-bottom: 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-visual {
    position: absolute;
    right: -5%;
    top: 50%;
    transform: translateY(-50%);
    width: 55%;
    height: 80%;
    opacity: 0.15;
    background: radial-gradient(ellipse at center, var(--accent) 0%, transparent 70%);
}

/* Floating shapes */
.floating-shapes {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.floating-shapes .shape {
    position: absolute;
    border: 1px solid rgba(200, 164, 90, 0.1);
    border-radius: 50%;
    animation: float 20s infinite ease-in-out;
}

.floating-shapes .shape:nth-child(1) {
    width: 300px; height: 300px;
    top: 10%; right: 10%;
    animation-delay: 0s;
}

.floating-shapes .shape:nth-child(2) {
    width: 200px; height: 200px;
    bottom: 15%; right: 25%;
    animation-delay: -5s;
}

.floating-shapes .shape:nth-child(3) {
    width: 150px; height: 150px;
    top: 40%; right: 35%;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(20px, -30px) rotate(5deg); }
    50% { transform: translate(-10px, 20px) rotate(-3deg); }
    75% { transform: translate(15px, 10px) rotate(3deg); }
}

/* === Services Section === */
.services {
    padding: 120px 0;
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 48px;
}

.service-card {
    position: relative;
    padding: 36px 28px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    transition: var(--transition);
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent);
    transform: scaleX(0);
    transition: var(--transition);
}

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

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

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(200,164,90,0.1), rgba(200,164,90,0.05));
    border-radius: 14px;
    font-size: 1.4rem;
    color: var(--accent);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.15rem;
    margin-bottom: 10px;
}

.service-card p {
    font-size: 0.9rem;
    color: var(--gray-500);
    line-height: 1.6;
    margin-bottom: 16px;
}

.service-price {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent-dark);
}

.service-price span {
    font-weight: 400;
    color: var(--gray-400);
}

/* === Why Choose Us === */
.why-us {
    padding: 120px 0;
    background: var(--gray-50);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.why-card {
    text-align: center;
    padding: 40px 24px;
}

.why-card .icon-wrap {
    width: 72px;
    height: 72px;
    margin: 0 auto 24px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--accent);
}

.why-card h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.why-card p {
    font-size: 0.9rem;
    color: var(--gray-500);
    line-height: 1.6;
}

/* === VIN History Section === */
.vin-section {
    padding: 120px 0;
    background: var(--primary);
    position: relative;
    overflow: hidden;
}

.vin-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 80% 50%, rgba(200,164,90,0.08) 0%, transparent 60%);
}

.vin-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

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

.vin-text .section-subtitle {
    color: rgba(255,255,255,0.5);
}

.vin-features {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.vin-feature {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.vin-feature .icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    background: rgba(200,164,90,0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
}

.vin-feature h4 {
    color: var(--white);
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.vin-feature p {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.4);
}

.vin-search-box {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    padding: 40px;
    backdrop-filter: blur(10px);
}

.vin-search-box h3 {
    color: var(--white);
    font-size: 1.3rem;
    margin-bottom: 8px;
}

.vin-search-box > p {
    color: rgba(255,255,255,0.4);
    font-size: 0.9rem;
    margin-bottom: 28px;
}

.vin-input-group {
    position: relative;
    margin-bottom: 16px;
}

.vin-input-group input {
    width: 100%;
    padding: 16px 20px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius);
    color: var(--white);
    font-size: 1.1rem;
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 2px;
    text-transform: uppercase;
    outline: none;
    transition: var(--transition);
}

.vin-input-group input::placeholder {
    color: rgba(255,255,255,0.2);
    letter-spacing: 1px;
    text-transform: none;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
}

.vin-input-group input:focus {
    border-color: var(--accent);
    background: rgba(255,255,255,0.1);
}

.vin-search-btn {
    width: 100%;
    padding: 16px;
    background: var(--accent);
    color: var(--primary);
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.vin-search-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.vin-result {
    margin-top: 24px;
    display: none;
}

.vin-result.active {
    display: block;
}

/* === Appointment Section === */
.appointment {
    padding: 120px 0;
    background: var(--white);
}

.appointment-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 64px;
    margin-top: 48px;
}

.appointment-info {
    padding: 48px;
    background: var(--primary);
    border-radius: var(--radius-lg);
    color: var(--white);
}

.appointment-info h3 {
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.appointment-info > p {
    color: rgba(255,255,255,0.5);
    margin-bottom: 36px;
    font-size: 0.95rem;
}

.contact-item {
    display: flex;
    gap: 16px;
    align-items: center;
    margin-bottom: 24px;
}

.contact-item .icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    background: rgba(200,164,90,0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1.1rem;
}

.contact-item span {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.4);
    display: block;
    margin-bottom: 2px;
}

.contact-item strong {
    font-weight: 600;
    font-size: 0.95rem;
}

.working-hours {
    margin-top: 36px;
    padding-top: 36px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.working-hours h4 {
    color: var(--accent);
    font-size: 0.85rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.hours-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
}

.hours-row span:last-child {
    color: var(--white);
    font-weight: 500;
}

/* === Form Styles === */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 14px 16px;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-family: inherit;
    color: var(--gray-800);
    outline: none;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--accent);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(200,164,90,0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23737373' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

/* === Testimonials === */
.testimonials {
    padding: 120px 0;
    background: var(--gray-50);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
    margin-top: 48px;
}

.testimonial-card {
    background: var(--white);
    padding: 36px;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.testimonial-stars {
    color: var(--accent);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.testimonial-card p {
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.testimonial-avatar {
    width: 44px;
    height: 44px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-weight: 700;
    font-size: 1rem;
}

.testimonial-author strong {
    display: block;
    font-size: 0.9rem;
}

.testimonial-author span {
    font-size: 0.8rem;
    color: var(--gray-400);
}

/* === Footer === */
.footer {
    background: var(--primary);
    color: rgba(255,255,255,0.5);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    margin-top: 16px;
    max-width: 300px;
}

.footer h4 {
    color: var(--white);
    font-size: 0.85rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    font-size: 0.9rem;
    transition: var(--transition);
}

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

.footer-contact li {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.footer-contact i {
    color: var(--accent);
    width: 20px;
    text-align: center;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    font-size: 0.85rem;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    color: rgba(255,255,255,0.5);
}

.social-links a:hover {
    background: var(--accent);
    color: var(--primary);
}

/* === VIN Result Styles === */
.vehicle-info-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 20px;
}

.vehicle-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.vehicle-header h4 {
    color: var(--white);
    font-size: 1.1rem;
}

.vehicle-header .plate {
    background: var(--accent);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 6px;
    font-weight: 700;
    font-size: 0.85rem;
}

.vehicle-details {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.vehicle-detail {
    text-align: center;
    padding: 12px;
    background: rgba(255,255,255,0.05);
    border-radius: 8px;
}

.vehicle-detail span {
    display: block;
    font-size: 0.7rem;
    color: rgba(255,255,255,0.3);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.vehicle-detail strong {
    color: var(--white);
    font-size: 0.9rem;
}

/* Timeline */
.repair-timeline {
    position: relative;
    padding-left: 24px;
}

.repair-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: rgba(255,255,255,0.1);
}

.timeline-item {
    position: relative;
    padding: 16px 0 16px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

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

.timeline-item::before {
    content: '';
    position: absolute;
    left: -29px;
    top: 22px;
    width: 12px;
    height: 12px;
    background: var(--accent);
    border-radius: 50%;
    border: 3px solid var(--primary);
}

.timeline-date {
    font-size: 0.75rem;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 4px;
}

.timeline-item h5 {
    color: var(--white);
    font-size: 0.9rem;
    margin-bottom: 4px;
}

.timeline-item p {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.4);
    margin: 0;
}

.timeline-cost {
    font-weight: 700;
    color: var(--accent) !important;
}

/* === Alerts / Messages === */
.alert {
    padding: 16px 20px;
    border-radius: var(--radius);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    color: var(--success);
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-info {
    background: rgba(200,164,90,0.1);
    color: var(--accent);
    border: 1px solid rgba(200,164,90,0.2);
}

/* === Loading Spinner === */
.spinner {
    width: 36px;
    height: 36px;
    border: 3px solid rgba(200,164,90,0.2);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* === Scroll to top === */
.scroll-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    background: var(--accent);
    color: var(--primary);
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-3px);
    background: var(--accent-hover);
}

/* === Responsive === */
@media (max-width: 1024px) {
    .vin-content,
    .appointment-wrapper {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(10,10,10,0.98);
        flex-direction: column;
        justify-content: center;
        gap: 24px;
        padding: 24px;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links a {
        font-size: 1.3rem;
        color: var(--white);
    }

    .mobile-toggle {
        display: flex;
        z-index: 1001;
    }

    .mobile-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    .mobile-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    .mobile-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero-stats {
        gap: 24px;
        flex-wrap: wrap;
    }

    .hero-stat h3 {
        font-size: 1.6rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .vehicle-details {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }

    .vehicle-details {
        grid-template-columns: 1fr;
    }
}