/* ===================================
   CSS Variables & Reset
   Updated: 2026-01-31
   =================================== */
:root {
    /* Pastel Colors */
    --color-mint: #A8E6CF;
    --color-sky: #B3D9FF;
    --color-pink: #FFB3C1;
    --color-lavender: #E0BBE4;
    --color-peach: #FFD1DC;
    --color-cream: #FFF9E6;
    
    /* Brand Colors */
    --color-primary: #4ECDC4;
    --color-secondary: #FF6B9D;
    --color-accent: #FFE66D;
    --color-dark: #2C3E50;
    --color-light: #F7F9FC;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-ocean: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-sunset: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Typography */
    --font-primary: 'Noto Sans KR', sans-serif;
    --font-heading: 'Montserrat', 'Noto Sans KR', sans-serif;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
}

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

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

body {
    font-family: var(--font-primary);
    line-height: 1.7;
    color: var(--color-dark);
    background: var(--color-light);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* ===================================
   Container & Layout
   =================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* ===================================
   Header
   =================================== */
.header {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-base);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    font-size: 1.8rem;
    color: var(--color-primary);
    animation: float 3s ease-in-out infinite;
}

.logo h1, .logo h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-dark);
    font-family: var(--font-heading);
}

.nav {
    display: flex;
    gap: var(--spacing-sm);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-base);
}

.nav-link:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-2px);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    background: linear-gradient(135deg, #e0f7fa 0%, #f3e5f5 100%);
    padding: var(--spacing-xl) 0;
    overflow: hidden;
}

.hero .container {
    position: relative;
    z-index: 2;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    background: white;
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-xl);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-primary);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-md);
    animation: slideDown 0.6s ease;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    animation: slideUp 0.8s ease;
}

.gradient-text {
    background: var(--gradient-ocean);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: #555;
    margin-bottom: var(--spacing-md);
    animation: slideUp 1s ease;
}

.hero-price {
    display: inline-flex;
    flex-direction: column;
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-md);
    animation: scaleIn 1.2s ease;
}

.price-label {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 0.5rem;
}

.price-value {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-primary);
    font-family: var(--font-heading);
}

.price-currency {
    font-size: 1.5rem;
    margin-left: 0.3rem;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
    animation: slideUp 1.4s ease;
}

/* Hero Decorations */
.hero-decoration {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.bubble {
    position: absolute;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.bubble-1 {
    width: 100px;
    height: 100px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.bubble-2 {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 15%;
    animation-delay: 1s;
}

.bubble-3 {
    width: 80px;
    height: 80px;
    bottom: 10%;
    left: 50%;
    animation-delay: 2s;
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.9rem 1.8rem;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition-base);
    box-shadow: var(--shadow-md);
    text-align: center;
    justify-content: center;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-3px);
}

.btn-kakao {
    background: #FEE500;
    color: #3c1e1e;
}

.btn-kakao:hover {
    background: #fdd835;
    transform: translateY(-3px);
}

.btn-instagram {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    color: white;
}

.btn-instagram:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn-large {
    padding: 1.2rem 2.5rem;
    font-size: 1.1rem;
}

/* ===================================
   Trust Section
   =================================== */
.trust-section {
    padding: var(--spacing-lg) 0;
    background: white;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.trust-item {
    text-align: center;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    background: var(--color-light);
    transition: var(--transition-base);
}

.trust-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

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

.trust-item h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.trust-item p {
    font-size: 0.9rem;
    color: #666;
}

/* ===================================
   Section Styles
   =================================== */
.section-title {
    font-size: 2rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-heading);
}

.section-subtitle {
    text-align: center;
    color: #666;
    margin-bottom: var(--spacing-lg);
    font-size: 1.1rem;
}

/* ===================================
   Features Section
   =================================== */
.features-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-light);
}

.features-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.feature-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

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

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

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

.feature-content {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.feature-badge {
    display: inline-block;
    background: var(--color-accent);
    color: var(--color-dark);
    padding: 0.3rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    width: fit-content;
}

.feature-content h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.feature-content p {
    color: #666;
    line-height: 1.6;
}

/* ===================================
   Shrimp Gallery
   =================================== */
.shrimp-gallery {
    padding: var(--spacing-xl) 0;
    background: white;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.gallery-item {
    background: var(--color-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-base);
    cursor: pointer;
}

.gallery-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.gallery-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

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

.gallery-item:hover .gallery-image img {
    transform: scale(1.15);
}

.gallery-overlay {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
}

.gallery-badge {
    background: rgba(255, 255, 255, 0.95);
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.gallery-info {
    padding: var(--spacing-md);
}

.gallery-info h3 {
    font-size: 1.2rem;
    margin-bottom: 0.3rem;
}

.gallery-color {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 0.5rem;
}

.gallery-price {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-primary);
}

/* ===================================
   Kit Section
   =================================== */
.kit-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-light);
}

.kit-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.kit-item {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition-base);
}

.kit-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

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

.kit-item h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.kit-item p {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.5;
}

.kit-cta {
    text-align: center;
}

/* ===================================
   Tips Section
   =================================== */
.tips-section {
    padding: var(--spacing-xl) 0;
    background: white;
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.tip-card {
    position: relative;
    background: var(--color-light);
    padding: var(--spacing-lg) var(--spacing-md);
    border-radius: var(--radius-lg);
    border-left: 5px solid var(--color-primary);
    transition: var(--transition-base);
}

.tip-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.tip-number {
    position: absolute;
    top: -15px;
    left: var(--spacing-md);
    background: var(--gradient-ocean);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    box-shadow: var(--shadow-md);
}

.tip-icon {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin: var(--spacing-sm) 0;
}

.tip-card h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
}

.tip-card p {
    color: #666;
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.tip-badge {
    display: inline-block;
    background: var(--color-accent);
    padding: 0.3rem 0.8rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
}

/* ===================================
   CTA Section
   =================================== */
.cta-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.cta-card {
    text-align: center;
    color: white;
}

.cta-card h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 800;
}

.cta-card > p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-width: 400px;
    margin: 0 auto var(--spacing-lg);
}

.cta-info {
    margin-top: var(--spacing-lg);
}

.cta-info p {
    font-size: 0.95rem;
    opacity: 0.9;
    margin: 0.5rem 0;
}

.cta-info i {
    margin-right: 0.5rem;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--color-dark);
    color: white;
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-brand p {
    margin-top: var(--spacing-sm);
    opacity: 0.8;
    line-height: 1.6;
}

.footer-links h4,
.footer-contact h4,
.footer-social h4 {
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

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

.footer-links ul li,
.footer-contact ul li {
    margin-bottom: 0.5rem;
}

.footer-links ul li a {
    opacity: 0.8;
    transition: var(--transition-fast);
}

.footer-links ul li a:hover {
    opacity: 1;
    color: var(--color-primary);
}

.footer-contact ul li i {
    margin-right: 0.5rem;
    color: var(--color-primary);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    font-size: 1.3rem;
    transition: var(--transition-base);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    opacity: 0.7;
    font-size: 0.9rem;
    margin: 0.3rem 0;
}

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

/* ===================================
   Scroll to Top Button
   =================================== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-ocean);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    z-index: 999;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* ===================================
   Animations
   =================================== */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

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

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .price-value {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 1.7rem;
    }
    
    .feature-card {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
    
    .cta-card h2 {
        font-size: 2rem;
    }
    
    .nav-link span {
        display: none;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.7rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .tips-grid {
        grid-template-columns: 1fr;
    }
}