/* ============================================
   D.print Hub Styles - Dark Theme with Neon Accents
   ============================================ */

/* Font Import */
@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard/dist/web/static/pretendard.css');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* CSS Variables */
:root {
    --bg-dark: #0a0a0f;
    --bg-darker: #050508;
    --bg-card: rgba(15, 15, 25, 0.8);
    --bg-card-hover: rgba(25, 25, 40, 0.9);

    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);

    --neon-cyan: #00f0ff;
    --neon-magenta: #ff00f5;
    --neon-purple: #8b5cf6;
    --neon-blue: #3b82f6;
    --neon-green: #10b981;
    --neon-orange: #f97316;

    --gradient-1: linear-gradient(135deg, var(--neon-cyan), var(--neon-magenta));
    --gradient-2: linear-gradient(135deg, var(--neon-purple), var(--neon-blue));
    --gradient-3: linear-gradient(135deg, var(--neon-green), var(--neon-cyan));

    --font-primary: 'Pretendard', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Inter', 'Pretendard', sans-serif;

    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

    --border-radius: 20px;
    --border-radius-lg: 30px;
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* Selection Style */
::selection {
    background: var(--neon-cyan);
    color: var(--bg-dark);
}

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

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--neon-magenta);
}

/* ============================================
   Particle Canvas Background
   ============================================ */
#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* Gradient Overlay */
.gradient-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse at 20% 20%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(0, 240, 255, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(255, 0, 245, 0.05) 0%, transparent 70%);
    z-index: 1;
    pointer-events: none;
}

/* ============================================
   Main Container
   ============================================ */
.hub-container {
    position: relative;
    z-index: 10;
    min-height: 100vh;
}

/* ============================================
   Hero Section
   ============================================ */
.hero-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px 20px;
    position: relative;
}

/* Logo */
.logo-wrapper {
    margin-bottom: 30px;
    animation: logoFloat 4s ease-in-out infinite;
}

.logo-wrapper img {
    width: 120px;
    height: auto;
    filter: drop-shadow(0 0 30px rgba(0, 240, 255, 0.5));
    transition: var(--transition-medium);
}

.logo-wrapper:hover img {
    filter: drop-shadow(0 0 50px rgba(0, 240, 255, 0.8));
    transform: scale(1.05);
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Hero Text */
.hero-content {
    text-align: center;
    max-width: 900px;
    margin-bottom: 60px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: titleGlow 3s ease-in-out infinite alternate;
}

@keyframes titleGlow {
    0% { filter: drop-shadow(0 0 20px rgba(0, 240, 255, 0.3)); }
    100% { filter: drop-shadow(0 0 40px rgba(255, 0, 245, 0.4)); }
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.5rem);
    color: var(--text-secondary);
    font-weight: 400;
    letter-spacing: 0.1em;
    margin-bottom: 15px;
}

.hero-slogan {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    color: var(--text-primary);
    font-weight: 600;
    position: relative;
    display: inline-block;
}

.hero-slogan::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 3px;
    background: var(--gradient-1);
    border-radius: 2px;
}

/* Section Title */
.section-title {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 50px;
}

/* ============================================
   Style Cards Grid
   ============================================ */
.styles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    max-width: 1400px;
    width: 100%;
    padding: 0 20px;
}

/* Individual Card */
.style-card {
    position: relative;
    background: var(--bg-card);
    border-radius: var(--border-radius);
    overflow: hidden;
    cursor: pointer;
    transform-style: preserve-3d;
    perspective: 1000px;
    transition: var(--transition-medium);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.style-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.1) 0%,
        transparent 50%,
        transparent 100%
    );
    opacity: 0;
    transition: var(--transition-medium);
    z-index: 1;
    pointer-events: none;
}

.style-card:hover {
    transform: translateY(-10px) rotateX(5deg) rotateY(-5deg);
    box-shadow:
        0 30px 60px rgba(0, 0, 0, 0.5),
        0 0 40px var(--card-glow-color, rgba(0, 240, 255, 0.2));
    border-color: var(--card-accent, var(--neon-cyan));
}

.style-card:hover::before {
    opacity: 1;
}

/* Card Accent Colors */
.style-card[data-style="1"] { --card-accent: var(--neon-cyan); --card-glow-color: rgba(0, 240, 255, 0.3); }
.style-card[data-style="2"] { --card-accent: var(--neon-magenta); --card-glow-color: rgba(255, 0, 245, 0.3); }
.style-card[data-style="3"] { --card-accent: var(--neon-green); --card-glow-color: rgba(16, 185, 129, 0.3); }
.style-card[data-style="4"] { --card-accent: var(--neon-orange); --card-glow-color: rgba(249, 115, 22, 0.3); }
.style-card[data-style="5"] { --card-accent: var(--neon-purple); --card-glow-color: rgba(139, 92, 246, 0.3); }

/* Card Preview Image */
.card-preview {
    position: relative;
    width: 100%;
    height: 220px;
    overflow: hidden;
    background: var(--bg-darker);
}

.card-preview-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.style-card:hover .card-preview-image {
    transform: scale(1.1);
}

/* Preview Placeholder - Abstract Design */
.preview-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.preview-placeholder::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0.6;
    transition: var(--transition-medium);
}

.style-card:hover .preview-placeholder::before {
    opacity: 0.8;
}

/* Different preview styles for each card */
.style-card[data-style="1"] .preview-placeholder::before {
    background:
        linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}

.style-card[data-style="1"] .preview-placeholder::after {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    border: 2px solid var(--neon-cyan);
    border-radius: 50%;
    opacity: 0.3;
    animation: pulse1 3s ease-in-out infinite;
}

@keyframes pulse1 {
    0%, 100% { transform: scale(0.8); opacity: 0.3; }
    50% { transform: scale(1.2); opacity: 0.5; }
}

.style-card[data-style="2"] .preview-placeholder::before {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

.style-card[data-style="2"] .preview-placeholder::after {
    content: '';
    position: absolute;
    width: 100px;
    height: 100px;
    background: var(--neon-magenta);
    opacity: 0.3;
    animation: rotate3d 5s linear infinite;
    clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
}

@keyframes rotate3d {
    from { transform: rotateY(0deg) rotateX(20deg); }
    to { transform: rotateY(360deg) rotateX(20deg); }
}

.style-card[data-style="3"] .preview-placeholder::before {
    background: linear-gradient(180deg, #f8fafc 0%, #e2e8f0 100%);
}

.style-card[data-style="3"] .preview-placeholder::after {
    content: '';
    position: absolute;
    width: 60px;
    height: 3px;
    background: var(--neon-green);
    box-shadow:
        0 20px 0 var(--neon-green),
        0 40px 0 var(--neon-green);
    opacity: 0.6;
}

.style-card[data-style="4"] .preview-placeholder::before {
    background: linear-gradient(135deg, #1c1917 0%, #292524 50%, #44403c 100%);
}

.style-card[data-style="4"] .preview-placeholder::after {
    content: '';
    position: absolute;
    width: 80px;
    height: 80px;
    border: 3px solid var(--neon-orange);
    opacity: 0.4;
    animation: diamondRotate 6s ease-in-out infinite;
}

@keyframes diamondRotate {
    0%, 100% { transform: rotate(45deg) scale(1); }
    50% { transform: rotate(45deg) scale(1.2); }
}

.style-card[data-style="5"] .preview-placeholder::before {
    background: linear-gradient(135deg, #0c0a1d 0%, #1a1333 100%);
}

.style-card[data-style="5"] .preview-placeholder::after {
    content: '';
    position: absolute;
    width: 150px;
    height: 150px;
    background: conic-gradient(
        var(--neon-purple),
        var(--neon-blue),
        var(--neon-cyan),
        var(--neon-purple)
    );
    border-radius: 50%;
    opacity: 0.3;
    animation: conicSpin 8s linear infinite;
    filter: blur(20px);
}

@keyframes conicSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Preview Number Badge */
.preview-number {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--card-accent);
    border: 1px solid var(--card-accent);
    z-index: 2;
}

/* Card Content */
.card-content {
    padding: 25px;
    position: relative;
    z-index: 2;
}

.card-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
    transition: var(--transition-fast);
}

.style-card:hover .card-title {
    color: var(--card-accent);
}

.card-description {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.6;
}

/* Card Tags */
.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.tag {
    padding: 5px 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    font-size: 0.75rem;
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-fast);
}

.style-card:hover .tag {
    border-color: var(--card-accent);
    color: var(--card-accent);
}

/* Card CTA Button */
.card-cta {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--card-accent);
    transition: var(--transition-medium);
}

.card-cta svg {
    width: 20px;
    height: 20px;
    transition: var(--transition-fast);
}

.style-card:hover .card-cta svg {
    transform: translateX(5px);
}

/* ============================================
   Footer
   ============================================ */
.hub-footer {
    padding: 60px 20px;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: 80px;
}

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

.footer-text a {
    color: var(--neon-cyan);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-text a:hover {
    color: var(--neon-magenta);
}

/* ============================================
   Loading & Transition Effects
   ============================================ */
.page-loader {
    position: fixed;
    inset: 0;
    background: var(--bg-dark);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    text-align: center;
}

.loader-spinner {
    width: 60px;
    height: 60px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--neon-cyan);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

.loader-text {
    font-size: 1rem;
    color: var(--text-secondary);
    letter-spacing: 0.1em;
}

/* Page Transition Overlay */
.page-transition {
    position: fixed;
    inset: 0;
    background: var(--bg-dark);
    z-index: 9998;
    transform: translateY(100%);
    transition: transform 0.6s cubic-bezier(0.7, 0, 0.3, 1);
}

.page-transition.active {
    transform: translateY(0);
}

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

.animate-in {
    animation: fadeInUp 0.8s ease forwards;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }
.animate-delay-5 { animation-delay: 0.5s; }

/* Initial state for animated elements */
.style-card {
    opacity: 0;
}

.style-card.visible {
    animation: fadeInUp 0.6s ease forwards;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1200px) {
    .styles-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .hero-section {
        padding: 30px 15px;
        min-height: auto;
        padding-top: 80px;
        padding-bottom: 60px;
    }

    .logo-wrapper img {
        width: 80px;
    }

    .hero-content {
        margin-bottom: 40px;
    }

    .styles-grid {
        grid-template-columns: 1fr;
        max-width: 450px;
        margin: 0 auto;
    }

    .card-preview {
        height: 180px;
    }

    .card-content {
        padding: 20px;
    }

    .card-title {
        font-size: 1.2rem;
    }

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

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 0.9rem;
    }

    .hero-slogan {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 1.3rem;
    }

    .styles-grid {
        padding: 0 15px;
    }
}

/* ============================================
   Hover Glow Effect
   ============================================ */
.glow-effect {
    position: absolute;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, var(--card-accent) 0%, transparent 70%);
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, -50%);
    transition: opacity var(--transition-fast);
    z-index: 0;
    filter: blur(40px);
}

.style-card:hover .glow-effect {
    opacity: 0.3;
}

/* ============================================
   Mouse Follow Effect
   ============================================ */
.cursor-glow {
    position: fixed;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(0, 240, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    transform: translate(-50%, -50%);
    z-index: 5;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.cursor-glow.visible {
    opacity: 1;
}