/* =============================================
   PP Bubble Tea - CSS Stylesheet
   纽约珍珠奶茶店官方网站样式
============================================= */

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

:root {
    /* Colors */
    --primary-color: #8B4513;
    --secondary-color: #D2691E;
    --accent-color: #FF6B35;
    --dark-brown: #5C4033;
    --light-cream: #FFF8DC;
    --bg-light: #FFF5EE;
    --text-dark: #333333;
    --text-light: #666666;
    --white: #FFFFFF;
    --success: #28A745;
    --shadow: rgba(0, 0, 0, 0.1);
    
    /* Typography */
    --font-primary: 'Poppins', 'Noto Sans SC', 'Noto Sans KR', sans-serif;
    --font-heading: 'Poppins', 'Noto Sans SC', 'Noto Sans KR', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 50%;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    background-color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* === Language Selector === */
.language-selector {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    gap: 0.5rem;
    background: var(--white);
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    box-shadow: 0 4px 12px var(--shadow);
}

.lang-btn {
    padding: 0.5rem 1rem;
    border: 2px solid var(--primary-color);
    background: var(--white);
    color: var(--primary-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 500;
    font-size: 0.85rem;
    transition: all var(--transition-fast);
}

.lang-btn:hover {
    background: var(--light-cream);
    transform: translateY(-2px);
}

.lang-btn.active {
    background: var(--primary-color);
    color: var(--white);
}

/* === Navigation === */
.navbar {
    position: sticky;
    top: 0;
    background: var(--white);
    box-shadow: 0 2px 10px var(--shadow);
    z-index: 999;
    padding: 1rem 0;
}

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

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

.nav-brand i {
    font-size: 1.8rem;
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width var(--transition-normal);
}

.nav-menu a:hover {
    color: var(--accent-color);
}

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

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
}

/* === Hero Section === */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--light-cream) 100%);
    overflow: hidden;
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(139, 69, 19, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(210, 105, 30, 0.1) 0%, transparent 50%);
    z-index: 0;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    animation: fadeInLeft 1s ease;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1.2;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.hero-price {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.price-label {
    font-size: 1.5rem;
    color: var(--text-light);
}

.price-value {
    font-size: 4rem;
    font-weight: 900;
    color: var(--accent-color);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 2rem;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: var(--accent-color);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.btn-primary:hover {
    background: #FF5722;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

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

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

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 1s ease;
}

.bubble-tea-illustration {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 60px rgba(139, 69, 19, 0.3);
    animation: float 3s ease-in-out infinite;
}

.bubble-tea-illustration i {
    font-size: 10rem;
    color: var(--white);
}

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

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

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

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* === Features Section === */
.features {
    padding: var(--spacing-lg) 0;
    background: var(--white);
}

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

.feature-card {
    text-align: center;
    padding: 2rem;
    background: var(--bg-light);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px var(--shadow);
}

.feature-card i {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: var(--text-light);
}

/* === Special Combo Section === */
.special-combo {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--primary-color), var(--dark-brown));
}

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

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.special-combo .section-header h2 {
    color: var(--white);
}

.special-combo .section-header p {
    color: var(--light-cream);
    font-size: 1.2rem;
}

.combo-showcase {
    display: flex;
    justify-content: center;
}

.combo-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 3rem;
    max-width: 500px;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transform: scale(1);
    transition: transform var(--transition-normal);
}

.combo-card:hover {
    transform: scale(1.05);
}

.combo-badge {
    position: absolute;
    top: -15px;
    right: -15px;
    background: var(--accent-color);
    color: var(--white);
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.combo-icon {
    text-align: center;
    margin-bottom: 1.5rem;
}

.combo-icon i {
    font-size: 4rem;
    color: var(--accent-color);
}

.combo-card h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 1.5rem;
}

.combo-price {
    text-align: center;
    margin-bottom: 2rem;
}

.original-price {
    font-size: 1.2rem;
    color: var(--text-light);
    text-decoration: line-through;
    margin-right: 1rem;
}

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

.combo-includes {
    list-style: none;
    margin-bottom: 2rem;
}

.combo-includes li {
    padding: 0.75rem 0;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.combo-includes li:last-child {
    border-bottom: none;
}

.combo-includes i {
    color: var(--success);
    font-size: 1.2rem;
}

.btn-order {
    width: 100%;
    padding: 1.2rem;
    font-size: 1.2rem;
}

/* === Menu Section === */
.menu {
    padding: var(--spacing-xl) 0;
    background: var(--bg-light);
}

.menu .section-header h2 {
    color: var(--primary-color);
}

.menu-categories {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.category-btn {
    padding: 0.75rem 2rem;
    border: 2px solid var(--primary-color);
    background: var(--white);
    color: var(--primary-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.category-btn:hover {
    background: var(--light-cream);
    transform: translateY(-2px);
}

.category-btn.active {
    background: var(--primary-color);
    color: var(--white);
}

.menu-items {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.menu-item {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-md);
    text-align: center;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 12px var(--shadow);
}

.menu-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px var(--shadow);
}

.menu-item-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.menu-item h3 {
    font-size: 1.4rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.menu-item p {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.menu-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
}

/* === About Section === */
.about {
    padding: var(--spacing-xl) 0;
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.stat {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: var(--radius-md);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-light);
}

.about-image {
    display: flex;
    justify-content: center;
}

.about-illustration {
    width: 350px;
    height: 350px;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 60px rgba(139, 69, 19, 0.2);
}

.about-illustration i {
    font-size: 8rem;
    color: var(--white);
}

/* === AI Promo Section === */
.ai-promo {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    position: relative;
    overflow: hidden;
}

.ai-promo::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(139, 92, 246, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.ai-promo .section-header h2 {
    color: var(--white);
    font-size: 2.8rem;
    text-shadow: 0 2px 10px rgba(59, 130, 246, 0.3);
}

.ai-promo .section-header p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.3rem;
}

.ai-promo-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.promo-image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.4),
        0 0 40px rgba(59, 130, 246, 0.3);
    transition: transform var(--transition-normal);
}

.promo-image-wrapper:hover {
    transform: scale(1.02) translateY(-5px);
    box-shadow: 
        0 30px 80px rgba(0, 0, 0, 0.5),
        0 0 60px rgba(59, 130, 246, 0.4);
}

.promo-poster {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-lg);
}

.promo-text {
    color: var(--white);
}

.promo-text h3 {
    font-size: 2rem;
    color: var(--white);
    margin-bottom: 2rem;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.ai-features-list {
    list-style: none;
    padding: 0;
}

.ai-features-list li {
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    border-left: 4px solid #3b82f6;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.1rem;
    transition: all var(--transition-normal);
}

.ai-features-list li:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(10px);
    border-left-color: #8b5cf6;
}

.ai-features-list li i {
    font-size: 1.8rem;
    color: #3b82f6;
    min-width: 40px;
    text-align: center;
}

.ai-features-list li:nth-child(2) i {
    color: #10b981;
}

.ai-features-list li:nth-child(3) i {
    color: #f59e0b;
}

.ai-features-list li:nth-child(4) i {
    color: #8b5cf6;
}

/* === Newsletter Section === */
.newsletter {
    padding: var(--spacing-lg) 0;
    background: linear-gradient(135deg, var(--accent-color), #FF5722);
}

.newsletter-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.newsletter h2 {
    font-size: 2.5rem;
    color: var(--white);
    margin-bottom: 1rem;
}

.newsletter p {
    color: var(--white);
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.newsletter-form {
    display: flex;
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto 1rem;
}

.newsletter-form input {
    flex: 1;
    padding: 1rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
}

.newsletter-form button {
    padding: 1rem 2rem;
    white-space: nowrap;
}

.newsletter-note {
    color: var(--white);
    font-size: 0.9rem;
    opacity: 0.9;
}

/* === Contact Section === */
.contact {
    padding: var(--spacing-xl) 0;
    background: var(--bg-light);
}

.contact .section-header h2 {
    color: var(--primary-color);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.info-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 12px var(--shadow);
}

.info-card i {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.info-card h3 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.info-card p {
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.contact-form-wrapper {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 12px var(--shadow);
}

.contact-form-wrapper h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.contact-form .form-group {
    margin-bottom: 1.5rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: border-color var(--transition-fast);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.contact-form textarea {
    resize: vertical;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
}

.contact-form button {
    width: 100%;
    padding: 1.2rem;
    font-size: 1.1rem;
}

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

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--light-cream);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-section ul li a:hover {
    color: var(--accent-color);
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: all var(--transition-fast);
}

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

.contact-details li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.contact-details i {
    color: var(--accent-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* === Modal === */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s;
}

.modal-content {
    background: var(--white);
    margin: 15% auto;
    padding: 3rem;
    border-radius: var(--radius-lg);
    max-width: 500px;
    text-align: center;
    position: relative;
    animation: slideDown 0.3s;
}

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

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

.close-modal {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 2rem;
    color: var(--text-light);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.close-modal:hover {
    color: var(--accent-color);
}

.modal-content i {
    font-size: 4rem;
    color: var(--success);
    margin-bottom: 1rem;
}

.modal-content h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.modal-content p {
    color: var(--text-light);
    font-size: 1.1rem;
}

.success-icon {
    color: var(--success) !important;
}

/* === Order & Payment Modal === */
.modal-large {
    max-width: 800px;
    margin: 5% auto;
    padding: 2rem;
    text-align: left;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--bg-light);
}

.modal-header i {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.modal-header h2 {
    font-size: 2rem;
    color: var(--primary-color);
    margin: 0;
}

/* Order Form */
.order-form {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.order-section {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: var(--radius-md);
}

.order-section h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e0e0e0;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Quantity Selector */
.quantity-selector {
    display: flex;
    align-items: center;
    gap: 1rem;
    max-width: 200px;
}

.qty-btn {
    width: 40px;
    height: 40px;
    border: 2px solid var(--primary-color);
    background: var(--white);
    color: var(--primary-color);
    border-radius: var(--radius-sm);
    font-size: 1.5rem;
    font-weight: bold;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.quantity-selector input {
    text-align: center;
    font-weight: bold;
    font-size: 1.2rem;
}

/* Order Summary */
.order-summary {
    background: linear-gradient(135deg, var(--primary-color), var(--dark-brown));
    padding: 2rem;
    border-radius: var(--radius-md);
    color: var(--white);
}

.order-summary h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--white);
}

.summary-item {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.summary-item:last-child {
    border-bottom: none;
}

.summary-item.subtotal {
    margin-top: 1rem;
    font-size: 1.1rem;
}

.summary-item.tax {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

.summary-item.total {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 2px solid rgba(255, 255, 255, 0.5);
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--light-cream);
}

/* Payment Methods */
.payment-section {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: var(--radius-md);
}

.payment-section h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.payment-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.payment-option {
    position: relative;
}

.payment-option input[type="radio"] {
    position: absolute;
    opacity: 0;
}

.payment-option label {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem 1rem;
    background: var(--white);
    border: 2px solid #e0e0e0;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-align: center;
}

.payment-option label:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 4px 12px var(--shadow);
}

.payment-option input[type="radio"]:checked + label {
    border-color: var(--accent-color);
    background: var(--light-cream);
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.payment-option label i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.payment-option input[type="radio"]:checked + label i {
    color: var(--accent-color);
}

.payment-option label span {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

.payment-option label small {
    font-size: 0.85rem;
    color: var(--text-light);
}

/* Payment Instructions */
.payment-instructions {
    background: #e3f2fd;
    padding: 1.5rem;
    border-radius: var(--radius-md);
    border-left: 4px solid #2196f3;
    margin-top: 1rem;
}

.payment-instructions h4 {
    color: #1976d2;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.payment-instructions p {
    color: #424242;
    line-height: 1.8;
    margin-bottom: 0.5rem;
}

.payment-instructions strong {
    color: #1976d2;
}

.payment-instructions code {
    background: var(--white);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    color: var(--accent-color);
}

/* Submit Button */
.btn-large {
    width: 100%;
    padding: 1.5rem;
    font-size: 1.3rem;
    font-weight: 700;
    margin-top: 1rem;
}

/* Order Confirmation Details */
#order-confirmation-details {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    margin: 1.5rem 0;
    text-align: left;
}

#order-confirmation-details p {
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

#order-confirmation-details strong {
    color: var(--primary-color);
}

/* === Responsive Design === */
@media (max-width: 968px) {
    .hero-content,
    .about-content,
    .contact-wrapper,
    .ai-promo-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .promo-image-wrapper {
        order: -1;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 2rem;
    }
    
    .price-value {
        font-size: 3rem;
    }
    
    .bubble-tea-illustration {
        width: 300px;
        height: 300px;
    }
    
    .bubble-tea-illustration i {
        font-size: 7rem;
    }
    
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .language-selector {
        top: 10px;
        right: 10px;
        padding: 0.3rem;
    }
    
    .lang-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.75rem;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .payment-methods {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    :root {
        font-size: 14px;
    }
    
    .modal-large {
        margin: 2% auto;
        padding: 1rem;
        max-height: 95vh;
    }
    
    .modal-header h2 {
        font-size: 1.5rem;
    }
    
    .order-section,
    .payment-section {
        padding: 1.5rem;
    }
    
    .hero {
        min-height: auto;
        padding: 6rem 0 4rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .price-value {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        padding: 0.9rem 2rem;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .menu-items {
        grid-template-columns: 1fr;
    }
    
    .feature-cards {
        grid-template-columns: 1fr;
    }
    
    .language-selector {
        flex-wrap: wrap;
        gap: 0.3rem;
    }
    
    .lang-btn {
        padding: 0.3rem 0.6rem;
        font-size: 0.7rem;
    }
}

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

.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); }

.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); }