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

:root {
    --primary-color: #1a1a1a;
    --secondary-color: #f8f9fa;
    --accent-color: #d4af37;
    --text-dark: #333333;
    --text-light: #666666;
    --text-muted: #999999;
    --border-color: #e1e5e9;
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 8px 30px rgba(0, 0, 0, 0.2);
    --gradient-primary: linear-gradient(135deg, #1a1a1a 0%, #2c2c2c 100%);
    --gradient-accent: linear-gradient(135deg, #d4af37 0%, #f4d03f 100%);
    --border-radius: 8px;
    --border-radius-large: 16px;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: #ffffff;
    overflow-x: hidden;
}

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

/* Header Styles */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--accent-color);
}

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

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

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-dark);
    cursor: pointer;
    padding: 0.5rem;
}

/* Mobile Navigation */
.mobile-nav {
    position: fixed;
    top: 82px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    transform: translateY(-100%);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 999;
    border-bottom: 1px solid var(--border-color);
}

.mobile-nav.active {
    transform: translateY(0);
    opacity: 1;
}

.mobile-nav-content {
    padding: 1.5rem 20px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.mobile-nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.mobile-nav-link:hover {
    color: var(--accent-color);
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: var(--gradient-primary);
    color: white;
    position: relative;
    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 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="0.5" fill="rgba(255,255,255,0.1)"/><circle cx="30" cy="25" r="0.3" fill="rgba(255,255,255,0.08)"/><circle cx="70" cy="15" r="0.4" fill="rgba(255,255,255,0.06)"/><circle cx="90" cy="35" r="0.2" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="50" r="0.6" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 2rem;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero-text {
    font-size: 1.2rem;
    line-height: 1.8;
    max-width: 800px;
    opacity: 0.95;
}

.hero-text p {
    margin-bottom: 1.5rem;
}

.text-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.text-link:hover {
    color: #f4d03f;
    text-decoration: underline;
}

/* Section Styles */
.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-dark);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

/* Slideshow Styles */
.slideshow-section {
    padding: 80px 0;
    background: var(--secondary-color);
}

.slideshow-container {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    border-radius: var(--border-radius-large);
    overflow: hidden;
    box-shadow: var(--shadow-heavy);
    background: white;
}

.slideshow-wrapper {
    position: relative;
    width: 100%;
    height: 500px;
    overflow: hidden;
    background: #000;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: all 0.6s ease-in-out;
    transform: translateX(100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide.active {
    opacity: 1;
    transform: translateX(0);
}

.slide.prev {
    transform: translateX(-100%);
}

.slide img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    object-position: center;
    transition: transform 0.6s ease;
}

.slide:hover img {
    transform: scale(1.05);
}

.slide-caption {
    position: absolute !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    z-index: 100 !important;
    display: block !important;
    pointer-events: none;
}

.slide-caption h3 {
    pointer-events: auto;
}

.slide-btn {
    display: none; /* Hide navigation buttons */
}

.slide-indicators {
    display: none; /* Hide slide indicators */
}

.progress-bar {
    display: none; /* Hide progress bar */
}

/* Platforms Section */
.platforms-section {
    padding: 80px 0;
    background: white;
}

.platforms-intro {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 3rem;
}

.platforms-grid {
    display: grid !important;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)) !important;
    gap: 2rem !important;
    margin-top: 2rem !important;
    width: 100% !important;
    min-height: 200px !important;
}

.platform-card {
    background: white !important;
    border: 2px solid var(--border-color) !important;
    border-radius: var(--border-radius-large) !important;
    padding: 2.5rem 2rem !important;
    text-align: center !important;
    text-decoration: none !important;
    color: var(--text-dark) !important;
    transition: var(--transition) !important;
    position: relative !important;
    overflow: hidden !important;
    display: block !important;
    min-height: 250px !important;
}

.platform-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.1), transparent);
    transition: left 0.6s ease;
}

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

.platform-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
    border-color: var(--accent-color);
}

.platform-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
    transition: var(--transition);
}

.platform-card:hover .platform-icon {
    transform: scale(1.1);
}

.platform-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.platform-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.platform-link {
    color: var(--accent-color);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
}

.platform-card:hover .platform-link {
    color: #b8860b;
}

/* Auctions Section */
.auctions-section {
    padding: 80px 0;
    background: var(--secondary-color);
}

.auctions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.auction-card {
    background: white;
    border-radius: var(--border-radius-large);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    text-decoration: none;
    color: var(--text-dark);
}

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

.auction-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: var(--border-color);
}

.auction-content {
    padding: 1.5rem;
}

.auction-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.auction-date {
    color: var(--accent-color);
    font-weight: 500;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.auction-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-color);
    font-weight: 500;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.auction-description {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.auction-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-color);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.auction-cta:hover {
    color: #b8860b;
}

.loading-spinner {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}

.loading-spinner i {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

/* Contact Section */
.contact-section {
    padding: 80px 0;
    background: white;
}

.contact-intro {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 3rem;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-form {
    background: var(--secondary-color);
    padding: 2.5rem;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-light);
    width: 100%;
    max-width: 100%;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background: white;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.verification-group {
    background: rgba(212, 175, 55, 0.1);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border: 2px solid var(--accent-color);
}

.submit-btn {
    background: var(--gradient-accent);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    justify-content: center;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.info-card {
    background: var(--secondary-color);
    padding: 2rem;
    border-radius: var(--border-radius-large);
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.info-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.info-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
    color: white;
}

.info-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.info-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Footer */
.footer {
    background: var(--gradient-primary);
    color: white;
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo-img {
    height: 40px;
    width: auto;
    filter: brightness(0) invert(1);
}

.footer-links {
    display: flex;
    gap: 2rem;
    justify-content: center;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-social {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-text {
        font-size: 1.1rem;
    }
    
    .slideshow-wrapper {
        height: 300px;
    }
    

    
    .platforms-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        max-width: 600px;
        margin: 0 auto;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 1.5rem;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .container {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .slideshow-wrapper {
        height: 250px;
    }
    
    .platform-card,
    .contact-form {
        padding: 1.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .contact-content {
        max-width: 100%;
        padding: 0 10px;
    }
}

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

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

.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: all 0.6s ease;
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* Form States */
.form-success {
    background: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
}

.form-error {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
}

/* Lot Detail Styles */
.lot-number {
    font-weight: 600;
    color: var(--accent-color);
    font-size: 1.1rem;
}

.start-bid {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 1.1rem;
}

.auction-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}