/* ========================================
   Main Styles - 아신요신
   ======================================== */

/* CSS Variables */
:root {
    /* Colors */
    --primary-color: #C4563D;
    --primary-dark: #9B4530;
    --primary-light: #C6998F;
    --secondary-color: #315E49;
    --accent-color: #D4A43E;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #C4563D 0%, #9B4530 100%);
    --gradient-secondary: linear-gradient(135deg, #315E49 0%, #24463A 100%);
    --gradient-sunset: linear-gradient(135deg, #C4563D 0%, #D4A43E 100%);
    --gradient-ocean: linear-gradient(135deg, #315E49 0%, #D4A43E 100%);
    
    /* Text Colors */
    --text-primary: #FFFFFF;
    --text-secondary: #D4C9BC;
    --text-light: #A89A8C;
    
    /* Background */
    --bg-primary: #1C1815;
    --bg-secondary: #262019;
    --bg-tertiary: #332A22;
    --bg-gradient: linear-gradient(180deg, #1C1815 0%, #14110F 100%);
    --border-color: rgba(255, 255, 255, 0.1);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.2);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'NanumSquareRound', 'Nanum Square Round', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-gradient);
    overflow-x: hidden;
    transition: background 0.3s ease, color 0.3s ease;
}

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

/* Background Animation */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float 20s infinite ease-in-out;
}

.circle-1 {
    width: 500px;
    height: 500px;
    background: var(--primary-color);
    top: -200px;
    left: -200px;
    animation-delay: 0s;
}

.circle-2 {
    width: 400px;
    height: 400px;
    background: var(--secondary-color);
    bottom: -150px;
    right: -150px;
    animation-delay: 5s;
}

.circle-3 {
    width: 450px;
    height: 450px;
    background: var(--accent-color);
    top: 50%;
    right: -200px;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -50px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 30px) scale(0.9);
    }
}

/* 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: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

/* Gradient Text */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn-primary,
.btn-secondary,
.btn-outline,
.btn-icon {
    padding: 0.875rem 2rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: inherit;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(196, 86, 61, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(196, 86, 61, 0.4);
}

.btn-secondary {
    background: var(--gradient-secondary);
    color: white;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

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

.btn-icon {
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
}

.btn-icon:hover {
    background: rgba(255, 255, 255, 0.2);
}

.btn-large {
    padding: 1.25rem 3rem;
    font-size: 1.125rem;
}

/* Navigation Bar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition-normal);
}

.navbar.scrolled {
    padding: 0.75rem 0;
    background: rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-md);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo img {
    width: 45px;
    height: 45px;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    background: rgba(196, 86, 61, 0.1);
    color: var(--primary-color);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* Hero Section */
.hero {
    padding: 10rem 0 4rem;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* Search Section */
.search-section {
    padding: 2rem 0;
}

.search-box {
    max-width: 800px;
    margin: 0 auto;
    padding: 2.5rem;
    text-align: center;
}

.search-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.search-header i {
    font-size: 2rem;
    color: var(--primary-color);
}

.search-header h2 {
    margin: 0;
}

.search-description {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.search-input-wrapper > i {
    position: absolute;
    left: 1.5rem;
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.search-input {
    flex: 1;
    padding: 1.25rem 1.5rem 1.25rem 4rem;
    font-size: 1.125rem;
    border: 2px solid rgba(196, 86, 61, 0.3);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--text-primary);
    transition: var(--transition-normal);
}

.search-input::placeholder {
    color: var(--text-light);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 4px rgba(196, 86, 61, 0.1);
}

.search-btn {
    position: absolute;
    right: 0.5rem;
    padding: 0.875rem 1.5rem;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-size: 1.125rem;
    cursor: pointer;
    transition: var(--transition-normal);
}

.search-btn:hover {
    transform: translateX(-2px);
    box-shadow: 0 4px 20px rgba(196, 86, 61, 0.4);
}

.search-suggestions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.suggestion-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.suggestion-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tag {
    padding: 0.5rem 1rem;
    background: rgba(196, 86, 61, 0.1);
    border: 1px solid rgba(196, 86, 61, 0.2);
    border-radius: 20px;
    font-size: 0.875rem;
    color: var(--primary-color);
    cursor: pointer;
    transition: var(--transition-fast);
}

.tag:hover {
    background: rgba(196, 86, 61, 0.2);
    transform: translateY(-2px);
}

/* Category Section */
.category-section {
    padding: 4rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.category-card {
    padding: 2.5rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
}

.category-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 50%;
    font-size: 2.5rem;
    color: white;
}

.category-card:nth-child(2) .category-icon {
    background: var(--gradient-secondary);
}

.category-card:nth-child(3) .category-icon {
    background: var(--gradient-ocean);
}

.category-card:nth-child(4) .category-icon {
    background: var(--gradient-sunset);
}

.category-card:nth-child(5) .category-icon {
    background: linear-gradient(135deg, #D4A43E 0%, #315E49 100%);
}

.category-card:nth-child(6) .category-icon {
    background: linear-gradient(135deg, #D4A43E 0%, #C4563D 100%);
}

.category-name {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.category-desc {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.category-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(196, 86, 61, 0.1);
    border-radius: 20px;
    font-size: 0.875rem;
    color: var(--primary-color);
    font-weight: 600;
}

/* Features Section */
.features-section {
    padding: 4rem 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2rem;
    text-align: center;
}

.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 50%;
    font-size: 2rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

/* Pricing Section */
.pricing-section {
    padding: 4rem 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    padding: 2.5rem;
    position: relative;
    transition: var(--transition-normal);
}

.pricing-card.featured {
    transform: scale(1.05);
}

.pricing-badge {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    padding: 0.5rem 1rem;
    background: rgba(196, 86, 61, 0.2);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-color);
}

.pricing-badge.popular {
    background: rgba(49, 94, 73, 0.2);
    color: var(--secondary-color);
}

.pricing-badge.premium {
    background: rgba(212, 164, 62, 0.2);
    color: var(--accent-color);
}

.pricing-header {
    text-align: center;
    margin-bottom: 2rem;
}

.pricing-title {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.5rem;
}

.price-amount {
    font-size: 3rem;
    font-weight: 900;
    color: var(--primary-color);
}

.price-period {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
}

.pricing-features li {
    padding: 0.875rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features i {
    font-size: 1.125rem;
}

.pricing-features .fa-check {
    color: var(--primary-color);
}

.pricing-features .fa-times {
    color: var(--text-light);
}

.pricing-btn {
    width: 100%;
    padding: 1rem;
    font-size: 1rem;
    font-weight: 600;
}

/* CTA Section */
.cta-section {
    padding: 4rem 0;
}

.cta-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 3rem;
    gap: 2rem;
}

.cta-text h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.cta-text p {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* Footer */
.footer {
    margin-top: 4rem;
    padding: 3rem 0 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer-logo img {
    width: 40px;
    height: 40px;
}

.footer-logo span {
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-desc {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(196, 86, 61, 0.1);
    border-radius: 50%;
    color: var(--primary-color);
    transition: var(--transition-fast);
}

.social-links a:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

.footer-section h4 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
}

.footer-links,
.footer-contact {
    list-style: none;
}

.footer-links li,
.footer-contact li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
}

.footer-contact i {
    color: var(--primary-color);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-bottom p {
    color: var(--text-light);
    font-size: 0.875rem;
    margin: 0;
}

.admin-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(196, 86, 61, 0.1);
    border: 1px solid rgba(196, 86, 61, 0.3);
    border-radius: 8px;
    color: var(--primary-color);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.admin-link:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(196, 86, 61, 0.3);
}

.admin-link i {
    font-size: 1rem;
}

/* Scroll to Top Button */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(196, 86, 61, 0.2);
    border: 1px solid rgba(196, 86, 61, 0.3);
    border-radius: 50%;
    color: var(--primary-color);
    cursor: pointer;
    transition: var(--transition-normal);
    z-index: 999;
}

.scroll-top:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-5px);
}

.scroll-top.visible {
    display: flex;
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 1s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }