/* assets/css/style.css - Premium World-Class Design */

/* ========== CSS Variables ========== */
:root {
    /* Brand Colors */
    --primary: linear-gradient(135deg, #2258a8 0%, #032bad 100%);
    --primary-solid: #032bad;
    --primary-dark: #2258a8;
    --secondary: #92187e;
    --accent: #2faca3;
    
    /* Neutral Colors */
    --dark: #1a1a2e;
    --dark-light: #16213e;
    --gray: #64748b;
    --gray-light: #94a3b8;
    --light: #f8fafc;
    --white: #ffffff;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

/* ========== Global Resets ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Google Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--light);
    overflow-x: hidden;
}

/* ========== Typography ========== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.display-1, .display-2, .display-3, .display-4, .display-5 {
    font-weight: 800;
    background: var(--primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-section {
    position: relative;
    overflow: hidden;
    padding:0;
}
.hero-slide {
    position: relative;
}
.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
}
.carousel-control-prev,
.carousel-control-next {
    width: 5%;
    opacity: 0;
    transition: opacity 0.3s;
}
.hero-section:hover .carousel-control-prev,
.hero-section:hover .carousel-control-next {
    opacity: 1;
}
@media (max-width: 768px) {
    .hero-section {
        min-height: 400px !important;
    }
    .display-4 {
        font-size: 2rem;
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

/* เพิ่มใน assets/css/style.css */

/* About Page Styles */
.about-hero {
    position: relative;
    overflow: hidden;
}

.stat-card {
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.team-card {
    background: white;
    border-radius: 15px;
    padding: 20px;
    transition: all 0.3s ease;
}

.team-card:hover {
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.testimonial-card {
    border: none;
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-3px);
}

.cta {
    position: relative;
    overflow: hidden;
}

/* Responsive */
@media (max-width: 768px) {
    .team-card {
        margin-bottom: 20px;
    }
    
    .testimonial-card {
        margin-bottom: 20px;
    }
}

/* assets/css/style.css - เพิ่มหรือแก้ไขส่วน Navbar */

/* Navbar สว่าง (Light Mode) */
.navbar {
    background-color: #ffffff !important;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar-brand {
    color: #0d6efd !important;
    font-weight: bold;
}

.navbar-nav .nav-link {
    color: #333333 !important;
    font-weight: 500;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: #0d6efd !important;
}

.navbar-nav .nav-link.active {
    color: #0d6efd !important;
    font-weight: 600;
}

/* Dropdown menu */
.dropdown-menu {
    background-color: #ffffff;
    border: none;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.dropdown-item {
    color: #333333;
}

.dropdown-item:hover {
    background-color: #f8f9fa;
    color: #0d6efd;
}

/* Search button */
.btn-outline-light {
    color: #333333 !important;
    border-color: #ddd !important;
}

.btn-outline-light:hover {
    background-color: #0d6efd !important;
    color: #ffffff !important;
    border-color: #0d6efd !important;
}

/* Dark Mode Navbar */
body.dark-mode .navbar {
    background-color: #1a1a1a !important;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

body.dark-mode .navbar-brand {
    color: #0d6efd !important;
}

body.dark-mode .navbar-nav .nav-link {
    color: #e0e0e0 !important;
}

body.dark-mode .navbar-nav .nav-link:hover {
    color: #0d6efd !important;
}

body.dark-mode .dropdown-menu {
    background-color: #2d2d2d;
}

body.dark-mode .dropdown-item {
    color: #e0e0e0;
}

body.dark-mode .dropdown-item:hover {
    background-color: #3d3d3d;
    color: #0d6efd;
}

.hero-section h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: var(--white);
    margin-bottom: 1.5rem;
    animation: slideUp 0.8s ease-out;
    background: none;
    -webkit-text-fill-color: var(--white);
}

.hero-section p {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: rgba(255,255,255,0.9);
    animation: slideUp 0.8s ease-out 0.2s backwards;
}

.hero-section .btn {
    animation: slideUp 0.8s ease-out 0.4s backwards;
}

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

/* ========== Search Section ========== */
.search-section {
    position: relative;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px) saturate(180%);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.search-section:hover {
    box-shadow: var(--shadow-md);
}

.search-section .form-control,
.search-section .form-select {
    border: 2px solid transparent;
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 0.75rem 1.25rem;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.search-section .form-control:focus,
.search-section .form-select:focus {
    border-color: var(--primary-solid);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* ========== Card Styles ========== */
.car-card {
    border: none;
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    background: var(--white);
    box-shadow: var(--shadow-sm);
    height: 100%;
}

.car-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.car-card .card-img-top {
    height: 250px;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    border-bottom: 3px solid var(--light);
}

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

.car-card .card-body {
    padding: 1.5rem;
    position: relative;
}

.car-card .card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.car-card .badge {
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.car-card .text-primary {
    background: var(--primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

/* ========== Category Cards ========== */
.category-card {
    position: relative;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: var(--transition);
    border: 2px solid var(--light);
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-solid);
}

.category-card i {
    transition: var(--transition);
}

.category-card:hover i {
    transform: scale(1.1) rotate(5deg);
    color: var(--primary-solid);
}

.category-card h4 {
    margin: 1rem 0 0.5rem;
    color: var(--dark);
    font-weight: 700;
}

/* ========== Buttons ========== */
.btn {
    border-radius: var(--radius-md);
    padding: 0.75rem 2rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

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

.btn-outline-primary:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-light {
    background: var(--white);
    color: var(--primary-solid);
}

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

.btn-outline-light:hover {
    background: var(--white);
    color: var(--primary-solid);
}

/* ========== Sections ========== */
section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    margin-bottom: 1rem;
}

.section-title p {
    color: var(--gray);
    font-size: 1.1rem;
}

/* ========== Dark Mode ========== */
body.dark-mode {
    background-color: var(--dark);
    color: var(--light);
}

body.dark-mode .car-card,
body.dark-mode .category-card,
body.dark-mode .search-section {
    background-color: var(--dark-light);
    border-color: rgba(255,255,255,0.1);
}

body.dark-mode .card-title,
body.dark-mode .category-card h4 {
    color: var(--white);
}

body.dark-mode .text-muted {
    color: var(--gray-light) !important;
}

/* ========== Navbar Enhancements ========== */
.navbar {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(20px) saturate(180%);
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.5rem;
    background: var(--primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-link {
    font-weight: 600;
    position: relative;
    padding: 0.5rem 1rem !important;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

/* ========== Footer ========== */
.footer {
    background: var(--dark);
    color: var(--light);
    padding: 3rem 0 1rem;
}

.footer h5 {
    color: var(--white);
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.footer a {
    color: var(--gray-light);
    transition: var(--transition);
    text-decoration: none;
}

.footer a:hover {
    color: var(--white);
    transform: translateX(5px);
}

/* ========== Scroll to Top ========== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
    box-shadow: var(--shadow-lg);
}

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

.scroll-top:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: var(--shadow-xl);
}

/* ========== Loading States ========== */
.loading-spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 3px solid rgba(102, 126, 234, 0.2);
    border-top: 3px solid var(--primary-solid);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ========== Image Optimization ========== */
img {
    max-width: 100%;
    height: auto;
}

img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.5s;
}

img[loading="lazy"].loaded {
    opacity: 1;
}

/* ========== Print Styles ========== */
@media print {
    .navbar,
    .footer,
    .search-section,
    .scroll-top,
    .btn {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
}

/* ========== Animations ========== */
.fade-in {
    animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

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

.slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

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

/* ========== Utilities ========== */
.gradient-text {
    background: var(--primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hover-scale {
    transition: transform 0.3s ease;
}

.hover-scale:hover {
    transform: scale(1.05);
}