/* Trendy Dark CSS Stylesheet for SEOUL VIBE (stupendous-meerkat) */

/* Design Tokens for Neon Cyber Theme */
:root {
    --bg-primary: hsl(260, 35%, 6%);
    --bg-secondary: hsl(260, 30%, 10%);
    --bg-tertiary: hsl(260, 25%, 14%);
    
    --text-primary: hsl(240, 15%, 95%);
    --text-secondary: hsl(240, 10%, 75%);
    --text-muted: hsl(240, 8%, 55%);
    
    --accent-pink: hsl(325, 100%, 60%);
    --accent-pink-hover: hsl(325, 100%, 68%);
    --accent-pink-glow: hsla(325, 100%, 60%, 0.35);
    
    --accent-purple: hsl(260, 90%, 65%);
    --accent-purple-hover: hsl(260, 95%, 72%);
    --accent-purple-glow: hsla(260, 90%, 65%, 0.25);
    
    --border-neon: rgba(255, 0, 127, 0.15);
    --glass-bg: rgba(18, 12, 32, 0.7);
    --glass-border: rgba(255, 255, 255, 0.05);
    
    --font-outfit: 'Outfit', 'Noto Sans JP', sans-serif;
    --transition-smooth: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

body {
    font-family: var(--font-outfit);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

/* Layout Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 5rem 1.5rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

/* Typography elements */
h1, h2, h3, h4 {
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.3;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 0.75rem;
    background: linear-gradient(135deg, #ffffff 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    font-size: 1.1rem;
    text-align: center;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 3rem auto;
}

.highlight {
    background: linear-gradient(90deg, var(--accent-pink) 0%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Neon Glassmorphism Cards */
.card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 0, 127, 0.35);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5), 0 0 20px var(--accent-pink-glow);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 2.2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 9999px;
    transition: var(--transition-smooth);
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-pink) 0%, var(--accent-purple) 100%);
    color: #ffffff;
    box-shadow: 0 4px 15px var(--accent-pink-glow);
}

.btn-primary:hover {
    transform: scale(1.03);
    box-shadow: 0 8px 25px var(--accent-pink-glow);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-large {
    font-size: 1.15rem;
    padding: 1.1rem 3rem;
}

/* Header Section */
.korea-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(14, 8, 26, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.15rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.3rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 0.05em;
}

.logo-accent {
    color: var(--accent-pink);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.2rem;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition-smooth);
}

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

.nav-btn {
    background: transparent;
    border: 1px solid var(--accent-pink);
    color: var(--accent-pink);
    padding: 0.5rem 1.25rem;
    border-radius: 9999px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.nav-btn:hover {
    background: linear-gradient(135deg, var(--accent-pink) 0%, var(--accent-purple) 100%);
    color: #ffffff;
    border-color: transparent;
    box-shadow: 0 0 15px var(--accent-pink-glow);
}

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 90vh;
    padding-top: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: radial-gradient(circle at 50% 30%, hsl(260, 35%, 15%) 0%, var(--bg-primary) 80%);
    text-align: center;
}

.hero-content {
    max-width: 900px;
    padding: 2rem;
    z-index: 10;
}

.trend-badge {
    display: inline-block;
    background: rgba(255, 0, 127, 0.1);
    border: 1px solid rgba(255, 0, 127, 0.3);
    color: var(--accent-pink);
    padding: 0.4rem 1.2rem;
    border-radius: 9999px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 2rem;
    letter-spacing: 0.05em;
    animation: neon-glow 3s infinite;
}

.hero-section h1 {
    font-size: 3.8rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-lead {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 750px;
    margin: 0 auto 3rem auto;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

/* Culture Grid Section */
.culture-section {
    background: var(--bg-secondary);
}

.culture-card {
    display: flex;
    flex-direction: column;
}

.card-img {
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    position: relative;
}

.card-content {
    padding: 2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.category {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent-pink);
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.card-content h3 {
    font-size: 1.35rem;
    color: #ffffff;
    margin-bottom: 0.75rem;
}

.card-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.read-more {
    color: var(--accent-pink);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-smooth);
}

.read-more:hover {
    color: var(--accent-pink-hover);
    transform: translateX(4px);
}

/* Spotlight Section */
.spotlight-section {
    position: relative;
    overflow: hidden;
}

.spotlight-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    padding: 2rem 0;
}

.section-tag {
    color: var(--accent-pink);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.spotlight-text h2 {
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
    color: #ffffff;
}

.lead-text {
    font-size: 1.20rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.feature-list {
    list-style: none;
    margin-top: 2rem;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 0.8rem;
    font-weight: 500;
}

.feature-list li span {
    color: var(--accent-pink);
}

.spotlight-visual {
    position: relative;
}

.visual-box {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 3rem;
    position: relative;
    z-index: 10;
}

.playlist-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.play-num {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-pink);
}

.play-title {
    font-size: 0.98rem;
    color: var(--text-primary);
}

.pulse-ring {
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100px;
    height: 100px;
    background: var(--accent-pink-glow);
    filter: blur(80px);
    opacity: 0.3;
}

/* Novels Section */
.novel-section {
    background: var(--bg-secondary);
}

.novel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.novel-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2.5rem;
}

.novel-card .icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.novel-card h3 {
    font-size: 1.35rem;
    color: #ffffff;
    margin-bottom: 1rem;
}

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

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, hsl(260, 40%, 10%) 0%, var(--bg-primary) 100%);
    border-top: 1px solid var(--glass-border);
    padding: 6rem 1.5rem;
    text-align: center;
}

.cta-container {
    max-width: 800px;
    margin: 0 auto;
}

.cta-container h2 {
    font-size: 2.6rem;
    margin-bottom: 1.5rem;
    color: #ffffff;
}

.cta-container p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

/* Footer Section */
.korea-footer {
    background: hsl(260, 45%, 3%);
    border-top: 1px solid var(--glass-border);
    padding: 4rem 1.5rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.copyright {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.disclaimer {
    color: var(--text-muted);
    font-size: 0.8rem;
    line-height: 1.6;
    max-width: 900px;
    margin: 0 auto;
}

/* Animations */
@keyframes neon-glow {
    0%, 100% {
        opacity: 1;
        box-shadow: 0 0 0 0 rgba(255, 0, 127, 0.3);
    }
    50% {
        opacity: 0.85;
        box-shadow: 0 0 15px rgba(255, 0, 127, 0.4);
    }
}

/* Responsive Breakpoints */
@media (max-width: 992px) {
    .spotlight-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .hero-section h1 {
        font-size: 2.8rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .container {
        padding: 3rem 1rem;
    }
    .section-title {
        font-size: 2.0rem;
    }
}