/* VividFrame - Digital Art Marketplace Styles */

/* CSS Variables for Dynamic Color System */
:root {
    --accent-color: #ff00ff; /* Default magenta - will be changed by JS */
    --bg-primary: #000000;
    --bg-secondary: #111111;
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --text-muted: #888888;
    --border-color: #333333;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.8rem; }
h4 { font-size: 1.4rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

/* Top Bar */
.top-bar {
    background-color: var(--bg-secondary);
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.new-drop {
    color: var(--text-secondary);
}

#artistName {
    color: var(--accent-color);
    font-weight: 600;
}

.apply-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.apply-link:hover {
    color: var(--text-primary);
    text-decoration: underline;
}

/* Header */
.header {
    background-color: var(--bg-primary);
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.navbar-brand.logo {
    font-size: 2rem;
    font-weight: 800;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-text {
    background: linear-gradient(45deg, var(--accent-color), #ffffff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-nav .nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    margin: 0 1rem;
    transition: var(--transition);
    position: relative;
}

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

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

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

.navbar-toggler {
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.hero-gallery {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.artwork {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 2s ease-in-out;
}

.artwork.active {
    opacity: 1;
}

.artwork img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.7);
}

.artwork-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    padding: 3rem;
    color: white;
}

.artwork-info h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.artwork-info p {
    color: var(--accent-color);
    font-weight: 500;
    margin: 0;
}

.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    background: linear-gradient(45deg, var(--text-primary), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: 2px solid transparent;
    display: inline-block;
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--bg-primary);
    border-color: var(--accent-color);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--accent-color);
    border-color: var(--accent-color);
}

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

.btn-outline:hover {
    background-color: var(--text-primary);
    color: var(--bg-primary);
}

/* Hero Navigation */
.hero-navigation {
    position: absolute;
    bottom: 2rem;
    right: 2rem;
    z-index: 3;
    display: flex;
    gap: 1rem;
}

.nav-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

.nav-btn:hover {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    transform: scale(1.1);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
}

.section-header p {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Featured Artists */
.featured-artists {
    padding: 6rem 0;
    background-color: var(--bg-secondary);
}

.artist-card {
    background-color: var(--bg-primary);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    height: 100%;
}

.artist-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.artist-image {
    position: relative;
    overflow: hidden;
}

.artist-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: var(--transition);
}

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

.artist-info {
    padding: 2rem;
}

.artist-info h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.artist-specialty {
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.artist-bio {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.artist-stats {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Curated Collections */
.curated-collections {
    padding: 6rem 0;
}

.collection-card {
    background-color: var(--bg-secondary);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    height: 100%;
}

.collection-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.collection-image {
    position: relative;
    overflow: hidden;
}

.collection-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition);
}

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

.collection-overlay {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background-color: rgba(0, 0, 0, 0.8);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

.collection-count {
    color: var(--accent-color);
    font-weight: 600;
    font-size: 0.9rem;
}

.collection-info {
    padding: 2rem;
}

.collection-info h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.collection-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* How to Collect */
.how-to-collect {
    padding: 6rem 0;
    background-color: var(--bg-secondary);
}

.step-card {
    text-align: center;
    padding: 2rem;
    background-color: var(--bg-primary);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    height: 100%;
}

.step-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.step-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--accent-color);
    margin-bottom: 1rem;
    line-height: 1;
}

.step-card h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.step-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Testimonials */
.testimonials {
    padding: 6rem 0;
}

.testimonial-card {
    background-color: var(--bg-secondary);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    height: 100%;
}

.testimonial-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.testimonial-content {
    margin-bottom: 2rem;
}

.testimonial-content p {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--text-primary);
    position: relative;
}

.testimonial-content p::before {
    content: '"';
    font-size: 3rem;
    color: var(--accent-color);
    position: absolute;
    top: -20px;
    left: -10px;
    font-family: serif;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--accent-color);
}

.author-info h4 {
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    font-size: 1.1rem;
}

.author-info span {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Footer */
.footer {
    background-color: var(--bg-secondary);
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border-color);
}

.footer h4 {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.footer ul {
    list-style: none;
    padding: 0;
}

.footer ul li {
    margin-bottom: 0.75rem;
}

.footer ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

/* Bottom Bar */
.bottom-bar {
    background-color: var(--bg-primary);
    padding: 1.5rem 0;
    border-top: 1px solid var(--border-color);
}

.bottom-bar p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

.developer:hover {
    color: var(--text-primary);
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
    
    .hero-navigation {
        bottom: 1rem;
        right: 1rem;
    }
    
    .nav-btn {
        width: 40px;
        height: 40px;
    }
    
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }
    
    .section-header {
        margin-bottom: 3rem;
    }
    
    .featured-artists,
    .curated-collections,
    .how-to-collect,
    .testimonials {
        padding: 4rem 0;
    }
    
    .artwork-overlay {
        padding: 2rem;
    }
    
    .artwork-info h3 {
        font-size: 1.5rem;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .top-bar {
        text-align: center;
    }
    
    .top-bar .col-md-6 {
        margin-bottom: 0.5rem;
    }
    
    .navbar-nav .nav-link {
        margin: 0.5rem 0;
    }
    
    .artist-info,
    .collection-info,
    .step-card,
    .testimonial-card {
        padding: 1.5rem;
    }
}

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

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

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--accent-color);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-primary);
}