@font-face {
    font-family: 'SogangUniversity';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_2312-1@1.1/SOGANGUNIVERSITYTTF.woff2') format('woff2');
    font-weight: normal;
    font-display: swap;
}

/* ==========================================================================
   Design System & Custom Properties (Eco-Premium Minimalism)
   ========================================================================== */
:root {
    /* Colors - Warm Organic Nature Theme */
    --bg-primary: #FAF8F5;       /* Warm Cream Ivory */
    --bg-secondary: #F3EDE2;     /* Kraft Package Beige */
    --bg-dark: #2E5936;          /* Deep Forest Green */
    
    --color-primary: #3E3A36;    /* Dark Charcoal Gray-Brown */
    --color-olive: #2E5936;      /* Forest Green */
    --color-olive-light: #EBF0EA;/* Soft Leaf Green Tint */
    --color-yellow: #F5D670;     /* Citrus Yellow Accent */
    --color-aquamarine: #8FA882; /* Muted Leaf Green */
    --color-muted: #7A7570;      /* Natural Clay Brown */
    --color-white: #FFFFFF;
    
    /* Fonts */
    --font-title: 'Playfair Display', serif;
    --font-sans: 'Montserrat', 'Noto Sans KR', sans-serif;
    
    /* Spacing & Borders */
    --transition-smooth: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    --border-subtle: 1px solid rgba(46, 89, 54, 0.08);

    /* Border Radii for Soft Redesign */
    --border-radius-lg: 16px;
    --border-radius-md: 12px;
    --border-radius-sm: 8px;
    --border-radius-full: 9999px;
    
    /* Shadows for Organic Depth */
    --box-shadow-subtle: 0 8px 30px rgba(46, 89, 54, 0.04);
    --box-shadow-medium: 0 12px 40px rgba(62, 58, 54, 0.06);
}

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

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

body {
    font-family: var(--font-sans);
    color: var(--color-primary);
    background-color: var(--bg-primary);
    line-height: 1.7;
    overflow-x: hidden;
    transition: var(--transition-smooth);
}



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

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

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

/* Common Section Styles */
section {
    padding: 140px 0;
    position: relative;
}

.section-label {
    display: block;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    color: var(--color-olive);
    margin-bottom: 20px;
    text-transform: uppercase;
}

/* ==========================================================================
   Header Navigation
   ========================================================================== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: rgba(250, 248, 245, 0.85);
    backdrop-filter: blur(15px);
    border-bottom: var(--border-subtle);
    transition: var(--transition-smooth);
}

.header-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-logo {
    font-family: 'SogangUniversity', serif;
    font-size: 1.65rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-primary);
}

.nav-menu {
    display: flex;
    gap: 40px;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    color: var(--color-primary);
    opacity: 0.8;
    transition: var(--transition-smooth);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-olive);
    transition: var(--transition-smooth);
}

.nav-link:hover {
    opacity: 1;
    color: var(--color-olive);
}

.nav-link:hover::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}



.header-cta {
    background-color: var(--color-olive);
    color: var(--bg-primary);
    padding: 10px 26px;
    border-radius: var(--border-radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.header-cta:hover {
    background-color: var(--color-primary);
    transform: translateY(-2px);
}

/* ==========================================================================
   Section 1: Hero Section
   ========================================================================== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background-color: var(--bg-primary);
    padding-top: 100px;
}

.hero-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 40px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 60px;
}

.hero-content {
    padding-right: 40px;
}

.hero-content .sub-label {
    display: block;
    font-size: 0.9rem;
    letter-spacing: 0.25em;
    color: var(--color-olive);
    margin-bottom: 20px;
    font-weight: 500;
}

.hero-title {
    font-family: var(--font-sans);
    font-size: 3.25rem;
    font-weight: 700;
    line-height: 1.25;
    color: var(--color-primary);
    margin-bottom: 30px;
    letter-spacing: -0.02em;
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--color-muted);
    margin-bottom: 40px;
    font-weight: 300;
    max-width: 500px;
}

.btn-ghost {
    display: inline-block;
    padding: 16px 38px;
    border: 1px solid var(--color-olive);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--color-olive);
    transition: var(--transition-smooth);
    border-radius: var(--border-radius-full);
}

.btn-ghost:hover {
    background-color: var(--color-olive);
    color: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-subtle);
}

.hero-image-wrapper {
    position: relative;
    display: flex;
    justify-content: flex-end;
}

.hero-image {
    width: 100%;
    max-width: 540px;
    border-radius: var(--border-radius-lg);
    object-fit: cover;
    box-shadow: var(--box-shadow-medium);
}

/* ==========================================================================
   Section 2: Brand Identity (The Craftsmanship)
   ========================================================================== */
.brand-section {
    background-color: var(--bg-secondary);
}

.brand-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.brand-visual {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow-medium);
}

.brand-image {
    width: 100%;
    border-radius: var(--border-radius-lg);
    transition: transform 1.5s ease;
}

.brand-visual:hover .brand-image {
    transform: scale(1.05);
}

.brand-title {
    font-size: 2.25rem;
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 40px;
    letter-spacing: -0.02em;
}

.brand-metrics {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 40px;
}

.metric-item {
    display: flex;
    align-items: flex-start;
    gap: 30px;
    border-bottom: 1px solid rgba(43, 34, 30, 0.05);
    padding-bottom: 20px;
}

.metric-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.metric-num {
    font-family: var(--font-title);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--color-olive);
    line-height: 1;
    min-width: 100px;
}

.metric-text {
    font-size: 1rem;
    color: var(--color-muted);
}

.brand-footer-text {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-primary);
    border-left: 2px solid var(--color-olive);
    padding-left: 15px;
    margin-top: 20px;
}

/* ==========================================================================
   Section 3: Seasonal Solution (Lemon Cello)
   ========================================================================== */
.solution-section {
    background-color: var(--bg-primary);
}

.solution-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.solution-title {
    font-size: 2.25rem;
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 45px;
}

.solution-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 50px;
}

.feature-title {
    display: block;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-olive);
    margin-bottom: 8px;
}

.feature-desc {
    font-size: 0.95rem;
    color: var(--color-muted);
}

/* Interactive Mix Demo Widget */
.demo-widget {
    background-color: var(--bg-secondary);
    padding: 30px;
    border-radius: var(--border-radius-lg);
    border: var(--border-subtle);
    max-width: 500px;
    box-shadow: var(--box-shadow-subtle);
}

.demo-instructions {
    font-size: 0.85rem;
    color: var(--color-muted);
    margin-bottom: 20px;
    text-align: center;
}

.beverage-canvas {
    height: 200px;
    display: flex;
    justify-content: center;
    align-items: flex-end;
    margin-bottom: 25px;
    position: relative;
}

.beverage-glass {
    width: 100px;
    height: 160px;
    border: 4px solid var(--color-primary);
    border-top: none;
    border-radius: 0 0 20px 20px;
    position: relative;
    background: rgba(255, 255, 255, 0.4);
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(43, 34, 30, 0.05);
}

/* Liquid elements */
.liquid-yuzu {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 60px;
    background-color: #E6B325;
    transition: background-color 2s ease;
}

.liquid-lemon {
    position: absolute;
    bottom: 60px;
    left: 0;
    width: 100%;
    height: 0px;
    background-color: rgba(247, 208, 96, 0.85);
    transition: height 2.5s ease-out, background-color 2.5s ease-out;
}

.liquid-lemon.mixed {
    height: 80px;
    background-color: rgba(251, 230, 162, 0.9);
}

.liquid-yuzu.mixed {
    background-color: #F7D060;
}

/* Ice cubes inside glass */
.ice-cubes {
    position: absolute;
    bottom: 10px;
    width: 100%;
    display: flex;
    justify-content: space-around;
    z-index: 5;
}

.ice {
    width: 25px;
    height: 25px;
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 4px;
    transform: rotate(15deg);
}

.ice:nth-child(2) {
    transform: rotate(-30deg) translateY(-10px);
}

/* Sparkling bubbles animation */
.sparkling-bubbles {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
    pointer-events: none;
}

.bubble {
    position: absolute;
    bottom: 0;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 50%;
    animation: rise 2s infinite ease-out;
}

@keyframes rise {
    0% {
        transform: translateY(0) scale(0.5);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-140px) scale(1.2);
        opacity: 0;
    }
}

.btn-boost {
    display: block;
    width: 100%;
    padding: 14px;
    background-color: var(--color-olive);
    color: var(--bg-primary);
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--border-radius-full);
    letter-spacing: 0.05em;
    text-align: center;
    transition: var(--transition-smooth);
}

.btn-boost:hover {
    background-color: var(--color-primary);
    box-shadow: var(--box-shadow-subtle);
}

.btn-boost:disabled {
    background-color: var(--color-muted);
    cursor: default;
}

.solution-visual {
    overflow: hidden;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow-medium);
}

.solution-image {
    width: 100%;
    border-radius: var(--border-radius-lg);
    transition: transform 1.5s ease;
}

.solution-visual:hover .solution-image {
    transform: scale(1.05);
}

/* ==========================================================================
   Section 4: UX Action Guide (How to Use)
   ========================================================================== */
.guide-section {
    background-color: var(--bg-secondary);
}

.guide-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 40px;
}

.guide-header {
    text-align: center;
    margin-bottom: 70px;
}

.guide-title {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.guide-subtitle {
    font-size: 1.05rem;
    color: var(--color-muted);
    font-weight: 300;
}

.guide-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 70px;
}

.guide-card {
    background-color: var(--bg-primary);
    padding: 50px 40px;
    border-radius: var(--border-radius-lg);
    border: var(--border-subtle);
    box-shadow: var(--box-shadow-subtle);
    position: relative;
    transition: var(--transition-smooth);
}

.guide-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-medium);
    border-color: var(--color-olive);
}

.step-badge {
    font-family: var(--font-title);
    font-size: 1.25rem;
    color: var(--color-olive);
    font-weight: 600;
    margin-bottom: 30px;
    display: inline-block;
    border-bottom: 2px solid var(--color-olive);
    padding-bottom: 5px;
}

.step-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.step-desc {
    font-size: 0.95rem;
    color: var(--color-muted);
}



/* ==========================================================================
   Section 5: Product Shop List
   ========================================================================== */
.shop-section {
    background-color: var(--bg-primary);
}

.shop-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 40px;
}

.shop-header {
    text-align: center;
    margin-bottom: 70px;
}

.shop-title {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.shop-subtitle {
    font-size: 1.05rem;
    color: var(--color-muted);
    font-weight: 300;
}

.shop-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.product-card {
    background: var(--bg-primary);
    padding: 28px;
    border-radius: var(--border-radius-lg);
    border: none;
    display: flex;
    flex-direction: column;
    transition: var(--transition-smooth);
    box-shadow: 0 10px 40px rgba(46, 89, 54, 0.05), 0 2px 10px rgba(0, 0, 0, 0.02);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(46, 89, 54, 0.12);
}

.product-image-container {
    position: relative;
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    aspect-ratio: 1 / 1;
    margin-bottom: 25px;
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

.product-card:hover .product-image {
    transform: scale(1.06);
}

.product-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    padding: 6px 14px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 4px;
    letter-spacing: 0.05em;
    z-index: 10;
}

.product-badge.season-limit {
    background-color: var(--color-yellow);
    color: var(--color-primary);
}

.product-badge.low-sugar {
    background-color: var(--color-aquamarine);
    color: var(--bg-primary);
}

.product-info {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-name {
    font-size: 1.15rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 8px;
    color: var(--color-primary);
}

.product-volume {
    font-size: 0.9rem;
    color: var(--color-muted);
    margin-bottom: 15px;
}

.product-price {
    font-family: var(--font-sans);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 25px;
}

.btn-buy {
    padding: 14px 28px;
    border: 1px solid var(--color-olive);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--color-olive);
    text-align: center;
    border-radius: var(--border-radius-full);
    transition: var(--transition-smooth);
    margin-top: auto;
}

.btn-buy:hover {
    background-color: var(--color-olive);
    color: var(--bg-primary);
}

/* ==========================================================================
   Side Purchase Drawer (Premium Drawer UX)
   ========================================================================== */
.purchase-drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    z-index: 500;
    visibility: hidden;
    transition: visibility 0.5s;
}

.purchase-drawer.active {
    visibility: visible;
}

.drawer-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(43, 34, 30, 0.4);
    backdrop-filter: blur(8px);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.purchase-drawer.active .drawer-overlay {
    opacity: 1;
}

.drawer-content {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 500px;
    height: 100%;
    background-color: var(--bg-primary);
    box-shadow: -10px 0 40px rgba(43, 34, 30, 0.1);
    transform: translateX(100%);
    transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
    padding: 60px 40px;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.purchase-drawer.active .drawer-content {
    transform: translateX(0);
}

.btn-close-drawer {
    position: absolute;
    top: 30px;
    right: 30px;
    font-size: 1.5rem;
    color: var(--color-primary);
    opacity: 0.5;
    transition: var(--transition-smooth);
}

.btn-close-drawer:hover {
    opacity: 1;
}

.drawer-header {
    margin-bottom: 40px;
}

.drawer-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.drawer-header p {
    font-size: 0.9rem;
    color: var(--color-muted);
}

.selected-product-box {
    background-color: var(--bg-secondary);
    padding: 24px;
    border-radius: 6px;
    margin-bottom: 40px;
    border: var(--border-subtle);
}

.selected-product-box .item-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-olive);
    margin-bottom: 8px;
    letter-spacing: 0.05em;
}

.selected-product-box h4 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.item-price-qty {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.item-price {
    font-size: 1.25rem;
    font-weight: 700;
}

.qty-selector {
    display: flex;
    align-items: center;
    border: 1px solid rgba(43, 34, 30, 0.15);
    border-radius: 4px;
    background-color: var(--bg-primary);
}

.qty-selector button {
    width: 32px;
    height: 32px;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qty-selector span {
    width: 40px;
    text-align: center;
    font-weight: 600;
    font-size: 0.95rem;
}

/* Form inputs styling */
.checkout-form {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary);
}

.form-group input {
    padding: 14px;
    border: 1px solid rgba(43, 34, 30, 0.15);
    border-radius: 4px;
    background-color: var(--bg-primary);
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--color-primary);
    outline: none;
    transition: var(--transition-smooth);
}

.form-group input:focus {
    border-color: var(--color-olive);
}

.total-summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(43, 34, 30, 0.08);
    padding-top: 25px;
    margin-top: 15px;
}

.total-summary span {
    font-size: 1rem;
    font-weight: 500;
}

.total-summary strong {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-primary);
}

.btn-submit-order {
    padding: 18px;
    background-color: var(--color-olive);
    color: var(--bg-primary);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border-radius: 4px;
    letter-spacing: 0.05em;
    transition: var(--transition-smooth);
    margin-top: 15px;
}

.btn-submit-order:hover {
    background-color: var(--color-primary);
}

/* ==========================================================================
   Toast Notification
   ========================================================================== */
.toast-notification {
    position: fixed;
    bottom: -80px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-primary);
    color: var(--bg-primary);
    padding: 18px 36px;
    border-radius: 30px;
    box-shadow: 0 10px 30px rgba(43, 34, 30, 0.15);
    z-index: 1000;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    transition: bottom 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}

.toast-notification.active {
    bottom: 40px;
}

/* ==========================================================================
   Section 6: Footer
   ========================================================================== */
.main-footer {
    background-color: var(--bg-dark);
    color: #DFD7CE;
    padding: 100px 0 50px 0;
    border-top: var(--border-subtle);
}

.footer-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 80px;
    margin-bottom: 80px;
}

.footer-logo {
    font-family: 'SogangUniversity', serif;
    font-size: 1.95rem;
    font-weight: 700;
    color: var(--bg-primary);
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.footer-brand-desc {
    font-size: 0.95rem;
    line-height: 1.8;
    color: #DFD7CE;
    max-width: 320px;
}

.footer-details {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.detail-column h4 {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--bg-primary);
    margin-bottom: 25px;
}

.detail-column p {
    font-size: 0.85rem;
    line-height: 2;
    color: #DFD7CE;
}

.footer-link {
    display: block;
    font-size: 0.85rem;
    color: #DFD7CE;
    margin-top: 10px;
    transition: var(--transition-smooth);
}

.footer-link:hover {
    color: var(--bg-primary);
}

.footer-bottom {
    max-width: 1300px;
    margin: 0 auto;
    padding: 30px 40px 0 40px;
    border-top: 1px solid rgba(223, 215, 206, 0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: #B2A69A;
}

/* ==========================================================================
   Micro-animations and Scroll Transitions
   ========================================================================== */
.fade-in-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1.2s cubic-bezier(0.25, 1, 0.5, 1), transform 1.2s cubic-bezier(0.25, 1, 0.5, 1);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 1.2s cubic-bezier(0.25, 1, 0.5, 1), transform 1.2s cubic-bezier(0.25, 1, 0.5, 1);
}

.visible {
    opacity: 1;
    transform: translate(0);
}

/* ==========================================================================
   Responsive Media Queries (Mobile & Tablet Optimization)
   ========================================================================== */
@media (max-width: 1024px) {
    section {
        padding: 90px 0;
    }
    
    .hero-container,
    .brand-container,
    .solution-container {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .hero-content {
        padding-right: 0;
        text-align: center;
    }
    
    .hero-desc {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-image-wrapper {
        justify-content: center;
    }
    
    .guide-grid,
    .shop-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 60px;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    
    .header-container {
        padding: 15px 20px;
    }
    
    .nav-menu {
        display: none; /* Mobile menu collapsed for minimalism */
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .brand-title,
    .solution-title,
    .guide-title,
    .shop-title {
        font-size: 1.85rem;
    }
    
    .guide-grid,
    .shop-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-details {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    

}

/* ==========================================================================
   Restored Features: Swiper Slider & Modal Popup
   ========================================================================== */

/* Hero Section Swiper Override */
.hero-section {
    padding-top: 0;
    min-height: 85vh; /* 85vh height based on original website */
    position: relative;
    overflow: hidden;
}

.hero-section .swiper {
    width: 100%;
    height: 85vh;
}

.hero-section .swiper-slide {
    position: relative;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    padding: 0 10%;
}

.hero-slider-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(15, 30, 20, 0.82) 0%, rgba(15, 30, 20, 0.55) 45%, rgba(15, 30, 20, 0.15) 100%);
    z-index: 1;
}

.hero-section .hero-container {
    position: relative;
    z-index: 2;
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 40px;
    width: 100%;
    display: block; /* Align content properly on top of backgrounds */
}

.hero-section .hero-content {
    max-width: 650px;
    padding-right: 0;
    color: var(--color-white);
    text-shadow: 0 4px 25px rgba(0, 0, 0, 0.65), 0 2px 10px rgba(0, 0, 0, 0.5);
}

.hero-section .hero-desc {
    color: rgba(255, 255, 255, 0.92) !important;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.7);
    font-weight: 400 !important;
}

.hero-section .hero-title {
    color: var(--color-white);
}

.hero-section .sub-label {
    color: var(--color-yellow);
}

.hero-section .btn-ghost {
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.65);
    background-color: rgba(46, 89, 54, 0.55);
    backdrop-filter: blur(8px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    transition: var(--transition-smooth);
}

.hero-section .btn-ghost:hover {
    background-color: var(--color-white);
    color: var(--color-olive);
    border-color: var(--color-white);
    box-shadow: 0 8px 25px rgba(46, 89, 54, 0.45);
}

/* Swiper Navigation Customization */
.hero-section .swiper-button-next,
.hero-section .swiper-button-prev {
    color: var(--color-white) !important;
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.3));
    transition: var(--transition-smooth);
}

.hero-section .swiper-button-next:after,
.hero-section .swiper-button-prev:after {
    font-size: 24px !important;
    font-weight: 700;
}

.hero-section .swiper-button-next:hover,
.hero-section .swiper-button-prev:hover {
    transform: scale(1.1);
    opacity: 1;
}

.hero-section .swiper-pagination-bullet {
    background: var(--color-white) !important;
    opacity: 0.5;
}

.hero-section .swiper-pagination-bullet-active {
    background: var(--color-yellow) !important;
    opacity: 1;
    width: 24px;
    border-radius: 4px;
    transition: width 0.3s ease;
}

/* Certificate Buttons styles */
.cert-button-group {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 35px;
}

.btn-cert {
    display: inline-block;
    padding: 12px 24px;
    border: 1px solid var(--color-olive);
    color: var(--color-olive);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--border-radius-full);
    transition: var(--transition-smooth);
    background-color: transparent;
}

.btn-cert:hover {
    background-color: var(--color-olive);
    color: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-subtle);
}

/* Certificate Modal styles */
.sy-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(62, 58, 54, 0.6);
    backdrop-filter: blur(8px);
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.sy-modal-content {
    position: relative;
    max-width: 90%;
    max-height: 85%;
    background-color: var(--bg-primary);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow-medium);
    border: var(--border-subtle);
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: modalAppear 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

@keyframes modalAppear {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.sy-modal-content img {
    max-width: 100%;
    max-height: 65vh;
    object-fit: contain;
    border-radius: var(--border-radius-sm);
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

.sy-modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    color: var(--color-primary);
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0.5;
    transition: var(--transition-smooth);
}

.sy-modal-close:hover {
    opacity: 1;
}

.sy-modal-title {
    color: var(--color-primary);
    font-size: 1.1rem;
    font-weight: 600;
    margin-top: 20px;
    text-align: center;
}

/* ==========================================================================
   PPTX Detail Page Content Stylings
   ========================================================================== */

/* 1. VERIFIED Section */
.verified-section {
    background-color: var(--bg-primary);
    padding: 100px 0;
}

.verified-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 40px;
    text-align: center;
}

.verified-title {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 50px;
    color: var(--color-primary);
}

.verified-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-bottom: 50px;
}

.verified-card {
    background-color: var(--bg-secondary);
    padding: 40px 25px;
    border-radius: var(--border-radius-lg);
    border: var(--border-subtle);
    box-shadow: var(--box-shadow-subtle);
    transition: var(--transition-smooth);
    cursor: pointer;
}

.verified-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-olive);
    box-shadow: var(--box-shadow-medium);
}

.verified-num {
    display: inline-block;
    background-color: var(--color-olive-light);
    color: var(--color-olive);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: var(--border-radius-full);
    margin-bottom: 20px;
}

.verified-card-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--color-primary);
}

.verified-card-desc {
    font-size: 0.9rem;
    color: var(--color-muted);
}

.verified-container .cert-button-group {
    justify-content: center;
    margin-top: 40px;
}

/* 2. Organic Yuzu Banner */
.organic-banner-section {
    background-color: var(--bg-secondary);
    padding: 80px 0;
}

.organic-banner-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 40px;
}

.organic-banner-content {
    background: linear-gradient(135deg, var(--bg-dark) 0%, #1e3d24 100%);
    color: var(--color-white);
    padding: 60px 50px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow-medium);
    position: relative;
    overflow: hidden;
}

.organic-banner-content::before {
    content: '"';
    position: absolute;
    right: 30px;
    bottom: -50px;
    font-size: 15rem;
    font-family: var(--font-title);
    color: rgba(255, 255, 255, 0.04);
    line-height: 1;
    pointer-events: none;
}

.banner-badge {
    display: inline-block;
    background-color: var(--color-yellow);
    color: #2E5936;
    font-size: 0.8rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: var(--border-radius-full);
    margin-bottom: 20px;
    letter-spacing: 0.05em;
}

.banner-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--color-white);
    line-height: 1.3;
}

.banner-desc {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
}

.banner-desc strong {
    color: var(--color-yellow);
}

/* 3. Golden Recipes */
.recipe-section-title {
    text-align: center;
    margin-bottom: 40px;
}

.recipe-headline {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
}

.recipe-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

.recipe-card {
    padding: 40px;
    border-radius: var(--border-radius-lg);
    border: var(--border-subtle);
    box-shadow: var(--box-shadow-subtle);
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.recipe-card.hot {
    background-color: #FAF6F0;
}

.recipe-card.iced {
    background-color: #F0F6FA;
}

.recipe-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--box-shadow-medium);
}

.recipe-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 4px;
    margin-bottom: 20px;
    letter-spacing: 0.05em;
}

.recipe-badge.hot {
    background-color: #FADAD6;
    color: #C0392B;
}

.recipe-badge.iced {
    background-color: #D6EAF8;
    color: #2980B9;
}

.recipe-title {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--color-primary);
}

.recipe-ratio {
    font-size: 1.05rem;
    margin-bottom: 15px;
    color: var(--color-primary);
}

.recipe-note {
    font-size: 0.88rem;
    color: var(--color-muted);
}

/* 4. Caution Warning Box */
.caution-box {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    background-color: #FEF9E7;
    border: 1px dashed #F1C40F;
    border-radius: var(--border-radius-md);
    padding: 25px 30px;
    margin: 40px auto 0 auto;
    max-width: 1000px;
}

.caution-icon {
    font-size: 1.5rem;
    line-height: 1;
}

.caution-content h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: #7D6608;
    margin-bottom: 8px;
}

.caution-content p {
    font-size: 0.92rem;
    color: #7D6608;
    line-height: 1.6;
}

/* 5. FAQ Section */
.faq-section {
    background-color: var(--bg-secondary);
    padding: 100px 0;
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 40px;
}

.faq-header {
    text-align: center;
    margin-bottom: 50px;
}

.faq-title {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.faq-subtitle {
    font-size: 1rem;
    color: var(--color-muted);
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.faq-item {
    background-color: var(--bg-primary);
    border: var(--border-subtle);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--box-shadow-subtle);
    transition: var(--transition-smooth);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 24px 30px;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-primary);
    text-align: left;
    background: none;
    border: none;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.faq-question:hover {
    color: var(--color-olive);
}

.faq-toggle-icon {
    font-size: 1.25rem;
    font-weight: 400;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle-icon {
    transform: rotate(45deg);
    color: var(--color-olive);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease-out;
    padding: 0 30px;
}

.faq-item.active .faq-answer {
    max-height: 200px; /* arbitrary height to slide down */
    padding-bottom: 24px;
}

.faq-answer p {
    font-size: 0.95rem;
    color: var(--color-muted);
    line-height: 1.7;
    border-top: 1px solid rgba(46, 89, 54, 0.05);
    padding-top: 15px;
}

/* 6. Info & Delivery Tabs Section */
.info-delivery-section {
    background-color: var(--bg-primary);
    padding: 100px 0;
    border-top: var(--border-subtle);
}

.info-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 40px;
}

.tab-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
}

.tab-btn {
    padding: 14px 35px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-muted);
    border: 1px solid var(--bg-secondary);
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius-full);
    transition: var(--transition-smooth);
}

.tab-btn.active,
.tab-btn:hover {
    background-color: var(--color-olive);
    color: var(--bg-primary);
    border-color: var(--color-olive);
    box-shadow: var(--box-shadow-subtle);
}

.tab-content-container {
    background-color: var(--bg-primary);
}

.tab-pane {
    display: none;
    animation: tabAppear 0.5s ease;
}

.tab-pane.active {
    display: block;
}

@keyframes tabAppear {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Spec Table */
.info-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 30px;
}

.info-table th,
.info-table td {
    padding: 18px 24px;
    border-bottom: 1px solid rgba(62, 58, 54, 0.08);
    font-size: 0.95rem;
    text-align: left;
}

.info-table th {
    background-color: var(--bg-secondary);
    color: var(--color-primary);
    font-weight: 600;
    width: 20%;
}

.info-table td {
    color: var(--color-muted);
    width: 30%;
    line-height: 1.6;
}

/* Delivery info grid */
.delivery-info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.info-block {
    background-color: var(--bg-secondary);
    padding: 35px;
    border-radius: var(--border-radius-lg);
    border: var(--border-subtle);
    box-shadow: var(--box-shadow-subtle);
}

.info-block h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-olive);
    margin-bottom: 15px;
}

.info-block p {
    font-size: 0.92rem;
    color: var(--color-muted);
    line-height: 1.7;
    margin-bottom: 10px;
}

.info-block p:last-child {
    margin-bottom: 0;
}

/* Responsive Media Queries for New Sections */
@media (max-width: 991px) {
    .verified-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .recipe-grid {
        grid-template-columns: 1fr;
    }
    .delivery-info-grid {
        grid-template-columns: 1fr;
    }
    .info-table th, 
    .info-table td {
        display: block;
        width: 100% !important;
    }
    .info-table th {
        border-bottom: none;
        padding-bottom: 5px;
        background-color: transparent;
        color: var(--color-olive);
    }
    .info-table td {
        padding-top: 5px;
    }
}

@media (max-width: 575px) {
    .verified-grid {
        grid-template-columns: 1fr;
    }
    .organic-banner-content {
        padding: 40px 25px;
    }
    .banner-title {
        font-size: 1.6rem;
    }
    .tab-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
}

/* ==========================================================================
   Step-by-Step Interactive Recipe System
   ========================================================================== */
.recipe-tab-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
}

.recipe-tab-btn {
    padding: 14px 28px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-muted);
    border: 1px solid var(--bg-secondary);
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius-full);
    transition: var(--transition-smooth);
}

.recipe-tab-btn.active,
.recipe-tab-btn:hover {
    background-color: var(--color-olive);
    color: var(--bg-primary);
    border-color: var(--color-olive);
    box-shadow: var(--box-shadow-subtle);
}

.recipe-step-pane {
    display: none;
    animation: tabAppear 0.5s ease;
}

.recipe-step-pane.active {
    display: block;
}

.step-flow-grid {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    margin-bottom: 30px;
}

.step-flow-card {
    flex: 1;
    background-color: var(--bg-primary);
    padding: 40px 30px;
    border-radius: var(--border-radius-lg);
    border: var(--border-subtle);
    box-shadow: var(--box-shadow-subtle);
    transition: var(--transition-smooth);
    min-height: 240px;
    display: flex;
    flex-direction: column;
}

.step-flow-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-olive);
    box-shadow: var(--box-shadow-medium);
}

.step-flow-num {
    font-family: var(--font-title);
    font-size: 1.2rem;
    color: var(--color-olive);
    font-weight: 600;
    margin-bottom: 20px;
    display: inline-block;
    border-bottom: 2px solid var(--color-olive);
    padding-bottom: 4px;
    align-self: flex-start;
}

.step-flow-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-primary);
}

.step-flow-desc {
    font-size: 0.92rem;
    color: var(--color-muted);
    line-height: 1.6;
}

.step-connector {
    font-size: 1.8rem;
    color: var(--color-olive);
    opacity: 0.5;
    user-select: none;
}

/* Responsive adjustment for Flow steps */
@media (max-width: 991px) {
    .step-flow-grid {
        flex-direction: column;
        gap: 20px;
    }
    
    .step-flow-card {
        width: 100%;
        min-height: auto;
    }
    
    .step-connector {
        transform: rotate(90deg);
        margin: 5px 0;
    }
}

/* ==========================================================================
   AI Chatbot Assistant System (Soonsoo Chatbot)
   ========================================================================== */
.chatbot-section {
    background-color: var(--bg-secondary);
    padding: 100px 0;
    border-top: var(--border-subtle);
}

.chatbot-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 40px;
}

.chatbot-header {
    text-align: center;
    margin-bottom: 50px;
}

.chatbot-title {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--color-primary);
}

.chatbot-subtitle {
    font-size: 1rem;
    color: var(--color-muted);
}

.chatbot-window {
    background-color: var(--bg-primary);
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 15px 50px rgba(46, 89, 54, 0.08), 0 3px 15px rgba(0, 0, 0, 0.02);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 520px;
}

.chat-status-bar {
    background-color: var(--bg-secondary);
    padding: 18px 25px;
    border-bottom: 1px solid rgba(46, 89, 54, 0.05);
    display: flex;
    align-items: center;
    gap: 10px;
}

.status-indicator {
    color: #2ECC71;
    font-size: 0.8rem;
    animation: statusPulse 2s infinite;
}

@keyframes statusPulse {
    0% { opacity: 0.5; }
    50% { opacity: 1; }
    100% { opacity: 0.5; }
}

.status-text {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-olive);
}

.chat-messages {
    flex: 1;
    padding: 25px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
    scroll-behavior: smooth;
}

/* Scrollbar styling for chat window */
.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: rgba(46, 89, 54, 0.15);
    border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: rgba(46, 89, 54, 0.3);
}

.message {
    max-width: 75%;
    display: flex;
    flex-direction: column;
    animation: msgFadeIn 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}

@keyframes msgFadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.message.assistant {
    align-self: flex-start;
}

.message.user {
    align-self: flex-end;
}

.message-content {
    padding: 15px 22px;
    border-radius: 20px;
    font-size: 0.95rem;
    line-height: 1.65;
    word-break: break-all;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

.message.assistant .message-content {
    background-color: var(--bg-secondary);
    color: var(--color-primary);
    border-top-left-radius: 4px;
}

.message.user .message-content {
    background-color: var(--color-olive);
    color: var(--bg-primary);
    border-top-right-radius: 4px;
}

.chat-input-area {
    padding: 20px 25px;
    background-color: var(--bg-primary);
    border-top: 1px solid rgba(46, 89, 54, 0.05);
    display: flex;
    gap: 15px;
    align-items: center;
}

#chat-input {
    flex: 1;
    padding: 14px 25px;
    font-size: 0.95rem;
    font-family: var(--font-sans);
    border: 1px solid rgba(46, 89, 54, 0.1);
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius-full);
    color: var(--color-primary);
    outline: none;
    transition: var(--transition-smooth);
}

#chat-input:focus {
    border-color: var(--color-olive);
    background-color: var(--bg-primary);
    box-shadow: 0 5px 20px rgba(46, 89, 54, 0.08);
}

#chat-submit-btn {
    width: 48px;
    height: 48px;
    background-color: var(--color-olive);
    color: var(--bg-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

#chat-submit-btn:hover {
    background-color: var(--color-primary);
    transform: scale(1.05);
}

.send-icon {
    font-size: 1.1rem;
    line-height: 1;
}

.chatbot-disclaimer {
    margin-top: 20px;
    font-size: 0.8rem;
    color: var(--color-muted);
    text-align: center;
    line-height: 1.5;
}

/* Chat bubble loading animation */
.chat-loading {
    display: flex;
    gap: 5px;
    align-items: center;
    padding: 10px 5px;
}

.chat-loading span {
    width: 8px;
    height: 8px;
    background-color: var(--color-olive);
    border-radius: 50%;
    display: inline-block;
    animation: chatDotBounce 1.4s infinite ease-in-out both;
}

.chat-loading span:nth-child(1) { animation-delay: -0.32s; }
.chat-loading span:nth-child(2) { animation-delay: -0.16s; }

@keyframes chatDotBounce {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1.0); }
}

@media (max-width: 575px) {
    .chatbot-container {
        padding: 0 20px;
    }
    .chatbot-window {
        height: 400px;
    }
    .message-content {
        padding: 12px 16px;
        font-size: 0.9rem;
    }
    .chat-input-area {
        padding: 15px;
    }
    #chat-input {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    #chat-submit-btn {
        width: 40px;
        height: 40px;
    }
}

/* Purchase Drawer Step & Copy Button Custom Interactions */
.btn-method {
    transition: all 0.2s ease-in-out !important;
}
.btn-method:hover {
    filter: brightness(0.95);
    transform: translateY(-2px);
}
.btn-method:active {
    transform: translateY(0);
}
.btn-prev-step:hover {
    opacity: 0.8;
}
.btn-copy-account {
    transition: all 0.15s ease-in-out !important;
}
.btn-copy-account:hover {
    opacity: 0.9;
}
.btn-copy-account:active {
    transform: scale(0.98);
}

/* ==========================================================================
   Section: Annual Shipping Calendar
   ========================================================================== */
.calendar-section {
    background-color: var(--bg-secondary);
    padding: 120px 0;
    border-top: var(--border-subtle);
}

.calendar-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 40px;
}

.calendar-header {
    text-align: center;
    margin-bottom: 70px;
}

.calendar-title {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--color-primary);
}

.calendar-subtitle {
    font-size: 1.05rem;
    color: var(--color-muted);
}

/* Monthly timeline style */
.monthly-timeline-wrapper {
    max-width: 1100px;
    margin: 0 auto 50px auto;
    overflow-x: auto;
    padding: 20px 10px;
    position: relative;
}

.monthly-timeline-wrapper::-webkit-scrollbar {
    height: 5px;
}
.monthly-timeline-wrapper::-webkit-scrollbar-track {
    background: rgba(46, 89, 54, 0.03);
    border-radius: 10px;
}
.monthly-timeline-wrapper::-webkit-scrollbar-thumb {
    background: rgba(46, 89, 54, 0.12);
    border-radius: 10px;
}
.monthly-timeline-wrapper::-webkit-scrollbar-thumb:hover {
    background: rgba(46, 89, 54, 0.22);
}

.monthly-timeline {
    display: flex;
    justify-content: space-between;
    min-width: 1250px;
    position: relative;
    padding: 10px 0;
    gap: 16px;
}

.monthly-timeline::after {
    content: '';
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: 20px;
    right: 20px;
    height: 1px;
    background: linear-gradient(90deg, rgba(46,89,54,0.02) 0%, rgba(46,89,54,0.12) 10%, rgba(46,89,54,0.12) 90%, rgba(46,89,54,0.02) 100%);
    z-index: 1;
}

.month-card {
    flex: 1;
    min-width: 96px;
    padding: 18px 8px;
    border-radius: 16px;
    background-color: var(--bg-primary);
    border: 1px solid rgba(46, 89, 54, 0.08);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 2;
    transition: all 0.35s cubic-bezier(0.25, 1, 0.5, 1);
    user-select: none;
    box-shadow: 0 4px 12px rgba(43, 34, 30, 0.02);
    gap: 5px;
    text-align: center;
}

.month-num {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--color-muted);
    letter-spacing: 0.05em;
    opacity: 0.6;
}

.month-name {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-primary);
    font-family: 'Noto Sans KR', sans-serif;
}

.month-activity {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-muted);
    white-space: nowrap;
}

/* Hover effects */
.month-card:hover {
    transform: translateY(-6px);
    border-color: rgba(46, 89, 54, 0.25);
    background-color: #ffffff;
    box-shadow: 0 12px 28px rgba(46, 89, 54, 0.08);
}

/* Active states */
.month-card.season-green.active {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: 0 12px 28px rgba(46, 89, 54, 0.25);
    transform: translateY(-6px);
}
.month-card.season-green.active .month-num {
    color: rgba(255, 255, 255, 0.7);
    opacity: 1;
}
.month-card.season-green.active .month-name {
    color: #ffffff;
}
.month-card.season-green.active .month-activity {
    color: rgba(255, 255, 255, 0.9);
}

.month-card.season-yellow.active {
    background-color: var(--color-yellow-accent);
    border-color: var(--color-yellow-accent);
    box-shadow: 0 12px 28px rgba(229, 169, 60, 0.3);
    transform: translateY(-6px);
}
.month-card.season-yellow.active .month-num {
    color: rgba(43, 34, 30, 0.6);
    opacity: 1;
}
.month-card.season-yellow.active .month-name {
    color: #2b221e;
}
.month-card.season-yellow.active .month-activity {
    color: rgba(43, 34, 30, 0.8);
}

/* Month details display box */
.month-details-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 10px;
}

.month-details-card {
    background-color: var(--bg-primary);
    border: var(--border-subtle);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow-medium);
    padding: 45px;
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.25s cubic-bezier(0.25, 1, 0.5, 1), transform 0.25s cubic-bezier(0.25, 1, 0.5, 1);
    min-height: 360px;
    align-items: center;
}

.details-image-wrapper {
    width: 100%;
    height: 280px;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    position: relative;
    background-color: var(--bg-secondary);
    border: 1px solid rgba(46, 89, 54, 0.08);
}

.details-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

.month-details-card:hover .details-image-wrapper img {
    transform: scale(1.04);
}

.details-img-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background-color: var(--bg-secondary);
    color: var(--color-muted);
}

.placeholder-icon {
    font-size: 2rem;
}

.placeholder-text {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-muted);
    letter-spacing: 0.05em;
}

.details-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}



.details-title {
    font-size: 1.55rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 18px;
}

.details-desc {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--color-muted);
}

.details-sub {
    margin-top: 10px;
}

/* Warning & Info boxes inside details */
.notice-box {
    padding: 24px;
    border-radius: var(--border-radius-md);
    width: 100%;
}

.notice-green {
    background-color: #FDF2E9;
    border: 1px solid rgba(230, 126, 34, 0.15);
}

.notice-yellow {
    background-color: #FDEDEC;
    border: 1px solid rgba(231, 76, 60, 0.15);
}

.notice-box h5 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.notice-green h5 {
    color: #D35400;
}

.notice-yellow h5 {
    color: #C0392B;
}

.notice-box p {
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--color-primary);
}

.info-tag-box {
    padding: 18px 24px;
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius-md);
    border-left: 3px solid var(--color-olive);
}

.info-tag-box.yellow-border {
    border-left-color: var(--color-yellow);
}

.info-tag {
    font-size: 0.92rem;
    line-height: 1.65;
    color: var(--color-primary);
    font-weight: 500;
}

.spec-grid {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.spec-item {
    border-left: 2px solid var(--color-olive);
    padding-left: 15px;
}

.spec-size {
    display: block;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-olive);
    margin-bottom: 5px;
}

.spec-desc {
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--color-muted);
}

@media (max-width: 991px) {
    .calendar-section {
        padding: 90px 0;
    }
    .month-details-card {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 40px 30px;
        min-height: auto;
    }
    .details-image-wrapper {
        height: 220px;
    }
}