/* ===================================
   CAR DVR MIRROR Landing Page Styles
   =================================== */

/* CSS Variables */
:root {
    /* Colors */
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --accent: #f59e0b;
    --accent-dark: #d97706;
    --accent-light: #fbbf24;
    --success: #10b981;
    --success-dark: #059669;
    --danger: #ef4444;
    --danger-dark: #dc2626;
    --dark: #1f2937;
    --gray: #6b7280;
    --light-gray: #f3f4f6;
    --white: #ffffff;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    --gradient-accent: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --gradient-hero: linear-gradient(135deg, rgba(37, 99, 235, 0.95) 0%, rgba(30, 64, 175, 0.95) 100%);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Montserrat', sans-serif;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 48px;
    --spacing-xl: 80px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--white);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    color: var(--dark);
}

h1 {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 36px;
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

h3 {
    font-size: 24px;
}

p {
    margin-bottom: var(--spacing-sm);
}

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

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

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

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

.container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Sections */
section {
    padding: var(--spacing-xl) 0;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: #dcdfe4;
    margin-bottom: var(--spacing-lg);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 16px 40px;
    border-radius: var(--radius-sm);
    font-size: 18px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-cta {
    font-size: 20px;
    padding: 18px 48px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
    }
    50% {
        box-shadow: 0 4px 20px rgba(245, 158, 11, 0.5);
    }
}

/* Hero Section */
.hero {
    min-height: 80vh;
    background: var(--gradient-hero);
    display: flex;
    align-items: center;
    color: var(--white);
    position: relative;
    padding: var(--spacing-xl) 0;
}

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

.hero-content {
    animation: slideInDown 0.8s ease-out;
}

.hero-video {
    animation: slideInDown 0.8s ease-out 0.2s both;
}

.video-wrapper {
    position: relative;
    padding-bottom: 177.78%; /* 9:16 aspect ratio for vertical video */
    height: 0;
    overflow: hidden;
    border-radius: var(--radius-md);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.video-wrapper video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-md);
}

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

.hero-title {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: 20px;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

.hero-features {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.hero-features li {
    display: flex;
    align-items: start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.hero-features i {
    font-size: 24px;
    color: var(--success);
    flex-shrink: 0;
    margin-top: 4px;
}

.hero-features strong {
    display: block;
    font-size: 18px;
    margin-bottom: 4px;
}

.hero-features span {
    display: block;
    font-size: 15px;
    opacity: 0.9;
}

.hero-price {
    margin-bottom: var(--spacing-lg);
}

.price-current {
    font-size: 48px;
    font-weight: 700;
    color: var(--accent-light);
}

.hero-guarantee {
    font-size: 16px;
    margin-top: var(--spacing-md);
    opacity: 0.95;
}

.hero-guarantee i {
    color: var(--success);
}

/* Lead Form Section */
.lead-form-section {
    background: var(--gradient-primary);
    color: var(--white);
}

.lead-form-section h2 {
    color: var(--white);
}

.lead-form {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-sm);
    font-size: 16px;
    background: rgba(255, 255, 255, 0.9);
    transition: var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.2);
}

.form-input.error {
    border-color: var(--danger);
}

.form-error {
    color: var(--accent-light);
    font-size: 14px;
    margin-top: 4px;
    display: block;
}

.form-checkbox {
    display: flex;
    align-items: start;
}

.form-checkbox label {
    display: flex;
    align-items: start;
    gap: var(--spacing-xs);
    cursor: pointer;
    font-size: 14px;
}

.form-checkbox input[type="checkbox"] {
    margin-top: 4px;
    cursor: pointer;
}

.form-checkbox a {
    color: var(--accent-light);
    text-decoration: underline;
}

.btn-submit {
    width: 100%;
    margin-top: var(--spacing-sm);
}

.form-note {
    text-align: center;
    font-size: 13px;
    margin-top: var(--spacing-sm);
    opacity: 0.9;
}

/* Problem Section */
.problem-section {
    background: var(--light-gray);
}

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

.problem-item {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.problem-icon {
    width: 48px;
    height: 48px;
    background: #fee2e2;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--danger);
    flex-shrink: 0;
    font-size: 20px;
}

.problem-content h3 {
    font-size: 20px;
    margin-bottom: var(--spacing-xs);
}

.problem-content p {
    color: var(--gray);
    margin: 0;
}

.solution-box {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.solution-icon {
    width: 64px;
    height: 64px;
    background: #d1fae5;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--success);
    font-size: 32px;
    margin-bottom: var(--spacing-md);
}

.solution-box h3 {
    color: var(--success-dark);
    margin-bottom: var(--spacing-sm);
}

/* Solution Section */
.solution-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.solution-text .lead {
    font-size: 18px;
    margin-bottom: var(--spacing-md);
}

.solution-features {
    list-style: none;
}

.solution-features li {
    display: flex;
    align-items: start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.solution-features i {
    color: var(--success);
    margin-top: 4px;
}

.solution-image img {
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
}

/* Benefits Section */
.benefits-section {
    background: var(--light-gray);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.benefit-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
}

.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.benefit-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 28px;
    margin: 0 auto var(--spacing-md);
}

.benefit-card h3 {
    font-size: 20px;
    margin-bottom: var(--spacing-sm);
}

.benefit-card p {
    color: var(--gray);
    margin: 0;
}

/* How It Works Section */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.step-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
    position: relative;
}

.step-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: var(--gradient-accent);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
}

.step-icon {
    font-size: 48px;
    color: var(--primary);
    margin: var(--spacing-md) 0;
}

.step-card h3 {
    margin-bottom: var(--spacing-sm);
}

.step-card p {
    color: var(--gray);
    margin: 0;
}

/* Use Cases Section */
.use-cases-section {
    background: var(--dark);
    color: var(--white);
}

.use-cases-section h2 {
    color: var(--white);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.use-case-card {
    background: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.use-case-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-4px);
}

.use-case-icon {
    font-size: 48px;
    color: var(--accent);
    margin-bottom: var(--spacing-md);
}

.use-case-card h3 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.use-case-card p {
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

/* Specifications Section */
.specifications-section {
    background: var(--light-gray);
}

.specs-table {
    max-width: 800px;
    margin: 0 auto;
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.spec-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--light-gray);
}

.spec-row:last-child {
    border-bottom: none;
}

.spec-row:nth-child(even) {
    background: var(--light-gray);
}

.spec-label {
    font-weight: 600;
    color: var(--dark);
}

.spec-value {
    color: var(--gray);
}

/* Gallery Section */
.gallery-section {
    background: var(--dark);
    color: var(--white);
}

.gallery-section h2,
.gallery-section .section-subtitle {
    color: var(--white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-md);
    cursor: pointer;
    aspect-ratio: 4/3;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay i {
    font-size: 48px;
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.gallery-overlay p {
    color: var(--white);
    font-size: 16px;
    margin: 0;
}

/* Package Section */
.package-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.package-item {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.package-icon {
    font-size: 48px;
    color: var(--primary);
    margin-bottom: var(--spacing-md);
}

.package-item h3 {
    font-size: 18px;
    margin-bottom: var(--spacing-sm);
}

.package-item p {
    color: var(--gray);
    margin: 0;
}

.package-note {
    text-align: center;
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: #fef3c7;
    border-radius: var(--radius-sm);
    color: var(--dark);
}

/* Order Process Section */
.order-process-section {
    background: var(--light-gray);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.process-step {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
    position: relative;
}

.process-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
}

.process-icon {
    font-size: 48px;
    color: var(--primary);
    margin: var(--spacing-md) 0;
}

.process-step h3 {
    font-size: 18px;
    margin-bottom: var(--spacing-sm);
}

.process-step p {
    color: var(--gray);
    font-size: 14px;
    margin: 0;
}

.delivery-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    max-width: 800px;
    margin: 0 auto;
}

.delivery-col h4 {
    font-size: 18px;
    margin-bottom: var(--spacing-sm);
    color: var(--primary);
}

.delivery-col ul {
    list-style: none;
}

.delivery-col li {
    padding: var(--spacing-xs) 0;
    color: var(--gray);
}

.delivery-col li:before {
    content: "✓ ";
    color: var(--success);
    font-weight: 700;
    margin-right: var(--spacing-xs);
}

/* Trust Badges */
.trust-badges {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    flex-wrap: wrap;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--white);
    font-size: 14px;
}

.trust-badge i {
    font-size: 24px;
    color: var(--accent-light);
}

/* Footer */
.footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer h4 {
    color: var(--white);
    font-size: 18px;
    margin-bottom: var(--spacing-md);
}

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

.footer-contacts li,
.footer-links li {
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: start;
    gap: var(--spacing-xs);
}

.footer-contacts i {
    color: var(--accent);
    margin-top: 4px;
}

.footer-contacts a,
.footer-links a {
    color: rgba(255, 255, 255, 0.8);
}

.footer-contacts a:hover,
.footer-links a:hover {
    color: var(--white);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 20px;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 14px;
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
}

.lightbox-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 80%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 40px;
    color: var(--white);
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    z-index: 10000;
}

.lightbox-close:hover {
    color: var(--accent);
}

.lightbox-caption {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--white);
    font-size: 18px;
    text-align: center;
}

.lightbox-prev,
.lightbox-next {
    cursor: pointer;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: var(--white);
    font-size: 40px;
    font-weight: bold;
    padding: 16px;
    user-select: none;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    color: var(--accent);
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 20px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
}

.modal-content {
    background-color: var(--white);
    margin: 10% auto;
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    max-width: 500px;
    text-align: center;
    position: relative;
    animation: slideInDown 0.3s ease-out;
}

.modal-close {
    position: absolute;
    top: 10px;
    right: 20px;
    color: var(--gray);
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.modal-close:hover {
    color: var(--dark);
}

.modal-icon {
    font-size: 64px;
    color: var(--success);
    margin-bottom: var(--spacing-md);
}

.modal-content h3 {
    margin-bottom: var(--spacing-sm);
}

.modal-content p {
    color: var(--gray);
    margin-bottom: var(--spacing-lg);
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

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

.scroll-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 1023px) {
    h1 {
        font-size: 40px;
    }
    
    h2 {
        font-size: 32px;
    }
    
    .benefits-grid,
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 767px) {
    h1 {
        font-size: 32px;
    }
    
    h2 {
        font-size: 28px;
    }
    
    h3 {
        font-size: 20px;
    }
    
    section {
        padding: var(--spacing-lg) 0;
    }
    
    .hero {
        min-height: auto;
        padding: var(--spacing-xl) 0;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .hero-video {
        order: -1; /* Видео сверху на мобильных */
    }
    
    .video-wrapper {
        padding-bottom: 56.25%; /* 16:9 на мобильных */
    }
    
    .price-current {
        font-size: 36px;
    }
    
    .problem-grid,
    .solution-content,
    .benefits-grid,
    .steps-grid,
    .use-cases-grid,
    .package-grid,
    .process-grid,
    .gallery-grid,
    .delivery-info,
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .btn {
        padding: 14px 32px;
        font-size: 16px;
    }
    
    .btn-cta {
        font-size: 18px;
        padding: 16px 40px;
    }
    
    .trust-badges {
        flex-direction: column;
        align-items: center;
    }
    
    .lightbox-prev,
    .lightbox-next {
        font-size: 30px;
        padding: 8px;
    }
    
    .lightbox-prev {
        left: 10px;
    }
    
    .lightbox-next {
        right: 10px;
    }
}

/* Print Styles */
@media print {
    .hero,
    .lead-form-section,
    .scroll-to-top,
    .lightbox,
    .modal {
        display: none;
    }
}@media (max-width: 480px) {
    h2 {
        font-size: 25px;
    }
}