/* =========================================
   CSS Variables & Reset
   ========================================= */
:root {
    /* Colors - Blue & Grey Palette */
    --primary-blue: #2563eb;
    --primary-blue-hover: #1d4ed8;
    --secondary-blue: #3b82f6;
    --dark-blue: #1e3a8a;
    --light-blue-bg: #eff6ff;
    
    --dark-grey: #1f2937;
    --text-grey: #4b5563;
    --light-grey: #e5e7eb;
    --bg-grey: #f9fafb;
    --white: #ffffff;
    
    /* Typography */
    --font-main: 'Inter', sans-serif;
    
    /* Effects */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-glow: 0 0 15px rgba(37, 99, 235, 0.3);
    
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--text-grey);
    background-color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--dark-grey);
    font-weight: 700;
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

.bg-grey {
    background-color: var(--bg-grey);
}

.bg-dark {
    background-color: var(--dark-blue);
    color: var(--light-grey);
}

/* Typography Utilities */
.text-center { text-align: center; }
.text-white { color: var(--white); }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

.section-title {
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.title-underline {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 2px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
    gap: 10px;
}

.btn-primary {
    background-color: var(--primary-blue);
    color: var(--white);
    box-shadow: 0 4px 14px 0 rgba(37, 99, 235, 0.39);
}

.btn-primary:hover {
    background-color: var(--primary-blue-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.23);
    color: var(--white);
}

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

.btn-outline:hover {
    background-color: var(--light-blue-bg);
}

.btn-block {
    display: flex;
    width: 100%;
}

.link-btn {
    color: var(--primary-blue);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.link-btn:hover {
    color: var(--dark-blue);
    gap: 8px;     /* Small animation effect on hover */
}

/* =========================================
   Header & Nav
   ========================================= */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.header.scrolled {
    padding: 5px 0;
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    transition: height 0.3s ease;
}

.header.scrolled .header-inner {
    height: 70px;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-icon {
    font-size: 2rem;
    color: var(--primary-blue);
    background: var(--light-blue-bg);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-ua {
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--dark-grey);
    line-height: 1.1;
}

.logo-en {
    font-size: 0.8rem;
    color: var(--text-grey);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-list {
    display: flex;
    gap: 30px;
}

.nav-link {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--dark-grey);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--primary-blue);
    transition: width 0.3s ease;
}

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

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    color: var(--dark-grey);
    cursor: pointer;
}

/* =========================================
   Hero Section
   ========================================= */
.hero {
    position: relative;
    padding-top: 150px;
    padding-bottom: 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, var(--bg-grey) 0%, var(--white) 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-text h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    color: var(--dark-blue);
}

.hero-text p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    max-width: 500px;
    color: var(--text-grey);
}

.hero-actions {
    display: flex;
    gap: 20px;
}

.hero-image {
    position: relative;
}

.main-car-card {
    border-radius: 20px;
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.4);
}

.main-car-card img {
    width: 100%;
    display: block;
    transform: scale(1.05);
    transition: transform 0.5s ease;
}

.main-car-card:hover img {
    transform: scale(1);
}

.card-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(5px);
    padding: 8px 16px;
    border-radius: 30px;
    font-weight: 600;
    color: var(--primary-blue);
    font-size: 0.9rem;
    box-shadow: var(--shadow-md);
}

.hero-bg-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}

.shape {
    position: absolute;
    filter: blur(80px);
    opacity: 0.5;
    border-radius: 50%;
}

.shape-1 {
    width: 500px;
    height: 500px;
    background: var(--light-blue-bg);
    top: -100px;
    right: -100px;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: rgba(59, 130, 246, 0.1);
    bottom: 10%;
    left: -50px;
}

/* =========================================
   About Us
   ========================================= */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--primary-blue);
}

.about-text p {
    margin-bottom: 15px;
    font-size: 1.05rem;
}

.features-list {
    margin-top: 25px;
}

.features-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    font-weight: 600;
    color: var(--dark-grey);
}

.features-list i {
    color: var(--secondary-blue);
    font-size: 1.2rem;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.stat-box {
    background: var(--white);
    padding: 30px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--primary-blue);
    transition: var(--transition);
}

.stat-box:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.stat-box h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

/* =========================================
   Services
   ========================================= */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--light-grey);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-blue);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

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

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

.service-icon {
    width: 70px;
    height: 70px;
    background: var(--light-blue-bg);
    color: var(--primary-blue);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 25px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--primary-blue);
    color: var(--white);
}

.service-card h3 {
    margin-bottom: 15px;
    font-size: 1.3rem;
}

/* =========================================
   Platform Inventory (Авто в наявності)
   ========================================= */
.platform-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 40px;
}

.inventory-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.inventory-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--light-grey);
}

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

.car-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.car-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.inventory-card:hover .car-image img {
    transform: scale(1.1);
}

.status-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--primary-blue);
    color: var(--white);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.car-info {
    padding: 25px;
}

.car-info h3 {
    font-size: 1.25rem;
    margin-bottom: 10px;
}

.car-info p {
    font-size: 0.95rem;
    margin-bottom: 20px;
    color: var(--text-grey);
}

/* =========================================
   Partnership
   ========================================= */
.partnership {
    position: relative;
    overflow: hidden;
}

.partnership h2, .partnership h3, .partnership h4 {
    color: var(--white);
}

.partnership p {
    color: var(--light-grey);
}

.partnership-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.partnership-options {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.opt {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    background: rgba(255, 255, 255, 0.05);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.opt:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(10px);
}

.opt i {
    font-size: 2rem;
    color: var(--secondary-blue);
}

.glass-form {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
}

/* =========================================
   Footer / Contacts
   ========================================= */
.footer {
    background: var(--bg-grey);
    padding: 80px 0 20px;
    border-top: 1px solid var(--light-grey);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1.5fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.brand-col p {
    max-width: 300px;
}

.footer-col h4 {
    font-size: 1.2rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 3px;
    background: var(--primary-blue);
    border-radius: 2px;
}

.contact-list li {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    align-items: flex-start;
}

.contact-list i {
    color: var(--primary-blue);
    margin-top: 5px;
}

.footer-nav li {
    margin-bottom: 15px;
}

.footer-nav a:hover {
    color: var(--primary-blue);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--light-grey);
    font-size: 0.9rem;
}

/* =========================================
   Animations
   ========================================= */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.visible {
    opacity: 1 !important;
    transform: translate(0) !important;
}

/* =========================================
   Responsive Design
   ========================================= */
@media (max-width: 992px) {
    .hero-content, .about-grid, .partnership-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-text h1 {
        font-size: 2.8rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .platform-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        box-shadow: var(--shadow-md);
        padding: 20px;
    }
    
    .nav.active {
        display: block;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-text h1 {
        font-size: 2.2rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .section {
        padding: 60px 0;
    }
}