/* 
==============================================
성수야! V2 - 홈페이지 스타일
==============================================
파일: home.css
용도: 홈페이지 전용 스타일 및 레이아웃
기반: design-system.css 확장
==============================================
*/

/* 홈페이지 전체 레이아웃 */
.home-page {
    min-height: 100vh;
}

/* 히어로 섹션 개선 */
.hero {
    background: var(--bg-hero-gradient);
    padding: var(--space-20) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to top, var(--color-gray-50), transparent);
}

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

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    color: white;
    margin-bottom: var(--space-6);
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-8);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
    text-shadow: 0 1px 10px rgba(0, 0, 0, 0.2);
}

.hero-buttons {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--space-8);
}

.hero-btn {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-lg);
    font-weight: 600;
    border-radius: var(--radius-xl);
    text-decoration: none;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    min-width: 200px;
}

.hero-btn-primary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.hero-btn-primary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.hero-btn-secondary {
    background: white;
    color: var(--color-primary);
    border: 2px solid white;
}

.hero-btn-secondary:hover {
    background: var(--color-gray-100);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* 특징 섹션 */
.features-section {
    padding: var(--space-20) 0;
    background: white;
    position: relative;
}

.features-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--color-gray-200), transparent);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
    margin-top: var(--space-12);
}

.feature-card {
    text-align: center;
    padding: var(--space-8);
    border-radius: var(--radius-2xl);
    background: linear-gradient(135deg, var(--color-gray-50) 0%, white 100%);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--space-4);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.feature-title {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--color-gray-800);
    margin-bottom: var(--space-3);
}

.feature-description {
    color: var(--color-gray-600);
    line-height: 1.6;
}

/* 인기 스토어 섹션 */
.featured-stores-section {
    padding: var(--space-20) 0;
    background: var(--bg-gradient);
}

.stores-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--space-8);
    margin-top: var(--space-12);
}

.store-card {
    background: white;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    border: 1px solid var(--color-gray-200);
}

.store-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
}

.store-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-2xl);
}

.store-image-container {
    position: relative;
    height: 220px;
    overflow: hidden;
}

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

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

.store-status-badge {
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    backdrop-filter: blur(10px);
}

.status-active {
    background: rgba(16, 185, 129, 0.9);
    color: white;
}

.status-ending {
    background: rgba(245, 158, 11, 0.9);
    color: white;
}

.store-category-badge {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    background: var(--secondary-gradient);
    color: white;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
}

.store-content {
    padding: var(--space-6);
}

.store-title {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--color-gray-800);
    margin-bottom: var(--space-3);
    line-height: 1.4;
}

.store-description {
    color: var(--color-gray-600);
    line-height: 1.6;
    margin-bottom: var(--space-4);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.store-meta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

.store-meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.store-actions {
    display: flex;
    gap: var(--space-3);
}

.store-actions .btn {
    flex: 1;
    justify-content: center;
}

/* CTA 섹션 */
.cta-section {
    padding: var(--space-20) 0;
    background: var(--bg-hero-gradient);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::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 20"><defs><pattern id="grain" width="100" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="20" fill="url(%23grain)"/></svg>');
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: var(--text-4xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.cta-description {
    font-size: var(--text-xl);
    margin-bottom: var(--space-8);
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    background: white;
    color: var(--color-primary);
    padding: var(--space-4) var(--space-10);
    font-size: var(--text-lg);
    font-weight: 600;
    border-radius: var(--radius-xl);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    transition: all var(--transition-normal);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    background: var(--color-gray-100);
}

/* 통계 섹션 */
.stats-section {
    padding: var(--space-16) 0;
    background: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-8);
    text-align: center;
}

.stat-item {
    padding: var(--space-6);
}

.stat-number {
    font-size: var(--text-4xl);
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-bottom: var(--space-2);
}

.stat-label {
    font-size: var(--text-lg);
    color: var(--color-gray-600);
    font-weight: 500;
}

/* 푸터 */
.site-footer {
    background: var(--color-gray-800);
    color: white;
    padding: var(--space-12) 0;
    text-align: center;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-8);
}

.footer-section h3 {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-4);
    color: white;
}

.footer-section p,
.footer-section a {
    color: var(--color-gray-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid var(--color-gray-700);
    padding-top: var(--space-6);
    color: var(--color-gray-500);
}

/* 애니메이션 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-slow);
}

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

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all var(--transition-slow);
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all var(--transition-slow);
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .hero {
        padding: var(--space-16) 0;
        min-height: 70vh;
    }
    
    .hero-title {
        font-size: var(--text-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--text-lg);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-btn {
        width: 100%;
        max-width: 300px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .stores-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: var(--space-12) 0;
    }
    
    .hero-title {
        font-size: var(--text-2xl);
    }
    
    .cta-title {
        font-size: var(--text-2xl);
    }
    
    .cta-description {
        font-size: var(--text-lg);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .store-content {
        padding: var(--space-4);
    }
    
    .feature-card {
        padding: var(--space-6);
    }
}

/* 로딩 상태 */
.loading-state {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    flex-direction: column;
    gap: var(--space-4);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-gray-200);
    border-top: 3px solid var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-text {
    color: var(--color-gray-600);
    font-weight: 500;
}

/* 에러 상태 */
.error-state {
    text-align: center;
    padding: var(--space-12);
    color: var(--color-gray-600);
}

.error-icon {
    font-size: 4rem;
    margin-bottom: var(--space-4);
    color: var(--color-gray-400);
}

.error-title {
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--color-gray-800);
}

.error-description {
    margin-bottom: var(--space-6);
}

/* 스크롤 진행 표시기 */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: rgba(102, 126, 234, 0.2);
    z-index: 1000;
}

.progress-fill {
    height: 100%;
    background: var(--primary-gradient);
    transition: width 0.1s ease;
}

/* 페이지 전환 효과 */
.page-transition {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

.page-transition.loaded {
    opacity: 1;
    transform: translateY(0);
}