/* PP Cloud Media - LED Billboard Advertising Website */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Kanit:wght@300;400;500;600;700&display=swap');

/* Global Styles */
:root {
    --primary-color: #ffc107;
    --secondary-color: #343a40;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Kanit', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    scroll-behavior: smooth;
}

html {
    scroll-behavior: smooth;
}

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

/* Navigation */
.navbar {
    background: rgba(52, 58, 64, 0.95) !important;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-color) !important;
}

.navbar-nav .nav-link {
    font-weight: 500;
    margin: 0 10px;
    transition: var(--transition);
    position: relative;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--primary-color) !important;
}

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

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

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, rgba(52, 58, 64, 0.9), rgba(25, 25, 25, 0.9)),
                url('https://images.unsplash.com/photo-1557804506-669a67965ba0?ixlib=rb-4.0.3&auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    animation: fadeInUp 1s ease;
}

.stat-box {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
    position: relative;
    z-index: 2;
}

.stat-box:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* Buttons */
.btn {
    font-weight: 600;
    padding: 12px 30px;
    border-radius: 50px;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.btn-warning {
    background: linear-gradient(45deg, var(--warning-color), #ffb300);
    border: none;
    box-shadow: 0 4px 15px rgba(255, 193, 7, 0.3);
}

.btn-warning:hover {
    background: linear-gradient(45deg, #ffb300, var(--warning-color));
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 193, 7, 0.4);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* Service Cards */
.service-card {
    background: white;
    border: none;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 193, 7, 0.1), transparent);
    transition: var(--transition);
}

.service-card:hover::before {
    left: 100%;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.service-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(45deg, rgba(255, 193, 7, 0.1), rgba(255, 193, 7, 0.2));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    transform: scale(1.1);
    background: linear-gradient(45deg, var(--warning-color), #ffb300);
}

.service-card:hover .service-icon i {
    color: white !important;
}

/* Portfolio Section */
.portfolio-card {
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
}

.portfolio-card img {
    transition: var(--transition);
}

.portfolio-overlay {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.8), rgba(52, 58, 64, 0.9));
    opacity: 0;
    transition: var(--transition);
}

.portfolio-card:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-card:hover img {
    transform: scale(1.1);
    filter: brightness(0.7);
}

.portfolio-item {
    animation: fadeInUp 0.6s ease;
}

/* Contact Section */
.contact-info {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    transition: var(--transition);
}

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

.contact-form {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    transition: var(--transition);
}

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

.form-control, .form-select {
    border-radius: 10px;
    border: 2px solid #e9ecef;
    transition: var(--transition);
}

.form-control:focus, .form-select:focus {
    border-color: var(--warning-color);
    box-shadow: 0 0 0 0.2rem rgba(255, 193, 7, 0.25);
}

.contact-item {
    display: flex;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

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

.map-container {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-radius: 15px;
    overflow: hidden;
}

/* Feature Items */
.feature-item {
    padding: 10px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 8px;
    transition: var(--transition);
}

.feature-item:hover {
    background: rgba(255, 255, 255, 1);
    transform: translateX(5px);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* Scroll to top button */
#scrollTop {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--warning-color);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(255, 193, 7, 0.3);
}

#scrollTop:hover {
    background: #ffb300;
    transform: translateY(-5px);
}

#scrollTop.show {
    opacity: 1;
    visibility: visible;
}

/* Loading Spinner */
.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid var(--warning-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

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

/* Responsive Design */
@media (max-width: 992px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .stat-box {
        margin-bottom: 15px;
    }
}

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.8rem;
    }
    
    .service-card {
        margin-bottom: 20px;
    }
    
    .portfolio-item {
        margin-bottom: 20px;
    }
}

@media (max-width: 576px) {
    .hero-section {
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .stat-box {
        padding: 15px;
    }
    
    .stat-box h2 {
        font-size: 1.5rem;
    }
    
    .contact-info,
    .contact-form {
        margin-bottom: 20px;
    }
}

/* Smooth scroll behavior */
html {
    scroll-behavior: smooth;
}

/* Selection color */
::selection {
    background: var(--warning-color);
    color: white;
}

::-moz-selection {
    background: var(--warning-color);
    color: white;
}

/* Focus styles for accessibility */
.btn:focus,
.form-control:focus,
.form-select:focus,
.navbar-nav .nav-link:focus {
    outline: 2px solid var(--warning-color);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .navbar,
    .hero-section,
    #scrollTop,
    .btn,
    .modal {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .container {
        max-width: 100%;
    }
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--warning-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #ffb300;
}

/* Lazy loading images */
img {
    transition: opacity 0.3s ease;
}

img[data-src] {
    opacity: 0;
}

img.loaded {
    opacity: 1;
}