/* ===== CSS Variables ===== */
:root {
    --primary: #e85d75;
    --primary-dark: #c94d63;
    --primary-light: #fce4e8;
    --secondary: #8b5cf6;
    --accent: #f59e0b;
    --dark: #1f2937;
    --dark-light: #374151;
    --gray: #6b7280;
    --gray-light: #9ca3af;
    --light: #f3f4f6;
    --white: #ffffff;
    --success: #10b981;
    --warning: #f59e0b;

    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --gradient-soft: linear-gradient(135deg, #fce4e8 0%, #ede9fe 100%);

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--white);
    overflow-x: hidden;
}

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

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

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

ul {
    list-style: none;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--dark);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }

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

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius-full);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--white);
    color: var(--dark);
    border-color: var(--gray-light);
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
}

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

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

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
}

.logo-icon {
    font-size: 1.75rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    color: var(--gray);
    position: relative;
}

.nav-links a:hover {
    color: var(--primary);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: var(--transition);
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 0.5rem;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--dark);
    transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    padding: 8rem 1.5rem 4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-soft);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 80%;
    height: 150%;
    background: radial-gradient(circle, rgba(232, 93, 117, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    flex: 1;
    max-width: 600px;
    z-index: 1;
}

.hero-content h1 {
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: 1.125rem;
    color: var(--gray);
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray);
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Animated Boba Cup */
.boba-cup {
    position: relative;
    width: 200px;
    height: 320px;
    animation: float 3s ease-in-out infinite;
}

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

.cup-body {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 140px;
    height: 220px;
    background: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.7) 100%);
    border-radius: 20px 20px 40px 40px;
    border: 3px solid rgba(200, 200, 200, 0.5);
    overflow: hidden;
    box-shadow: inset 0 0 30px rgba(0,0,0,0.05);
}

.liquid {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 180px;
    background: linear-gradient(180deg, #d4a574 0%, #c49464 50%, #a67c52 100%);
    border-radius: 0 0 37px 37px;
}

.pearls {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 60px;
}

.pearl {
    position: absolute;
    width: 18px;
    height: 18px;
    background: radial-gradient(circle at 30% 30%, #4a3728 0%, #2a1f18 100%);
    border-radius: 50%;
    animation: bobble 2s ease-in-out infinite;
}

.pearl:nth-child(1) { left: 10%; bottom: 5px; animation-delay: 0s; }
.pearl:nth-child(2) { left: 35%; bottom: 0; animation-delay: 0.2s; }
.pearl:nth-child(3) { left: 60%; bottom: 5px; animation-delay: 0.4s; }
.pearl:nth-child(4) { left: 20%; bottom: 25px; animation-delay: 0.6s; }
.pearl:nth-child(5) { left: 50%; bottom: 22px; animation-delay: 0.8s; }
.pearl:nth-child(6) { left: 75%; bottom: 28px; animation-delay: 1s; }
.pearl:nth-child(7) { left: 30%; bottom: 42px; animation-delay: 1.2s; }
.pearl:nth-child(8) { left: 65%; bottom: 45px; animation-delay: 1.4s; }

@keyframes bobble {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-3px); }
}

.lid {
    position: absolute;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    width: 160px;
    height: 20px;
    background: linear-gradient(180deg, #f0f0f0 0%, #ddd 100%);
    border-radius: 10px;
    border: 2px solid #ccc;
}

.lid::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 30px;
    height: 30px;
    background: #f5f5f5;
    border-radius: 50%;
    border: 2px solid #ccc;
}

.straw {
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 200px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 8px;
}

/* ===== Section Styles ===== */
section {
    padding: 5rem 0;
}

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

.section-header p {
    color: var(--gray);
    margin-top: 0.5rem;
}

/* ===== Products Section ===== */
.products {
    background: var(--white);
}

.view-toggle {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.view-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--light);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.875rem;
    color: var(--gray);
}

.view-btn:hover,
.view-btn.active {
    background: var(--primary);
    color: var(--white);
}

.filter-bar {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.filter-btn {
    padding: 0.5rem 1.25rem;
    background: var(--light);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.875rem;
    color: var(--gray);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--gradient);
    color: var(--white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

/* Product Card */
.product-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
}

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

.product-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.25rem 0.75rem;
    background: var(--gradient);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    z-index: 1;
}

.product-image {
    width: 100%;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-soft);
    font-size: 4rem;
}

.product-content {
    padding: 1.5rem;
}

.product-category {
    font-size: 0.75rem;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.product-title {
    font-size: 1.125rem;
    margin: 0.5rem 0;
    color: var(--dark);
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin-bottom: 0.75rem;
}

.stars {
    color: var(--accent);
    font-size: 0.875rem;
}

.rating-count {
    font-size: 0.75rem;
    color: var(--gray);
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.feature-tag {
    padding: 0.25rem 0.5rem;
    background: var(--light);
    color: var(--gray);
    font-size: 0.7rem;
    border-radius: var(--radius-sm);
}

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

.product-price {
    font-size: 0.875rem;
    color: var(--gray);
}

/* Products Table */
.products-table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.products-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
}

.products-table th,
.products-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--light);
}

.products-table th {
    background: var(--gradient-soft);
    font-weight: 600;
    color: var(--dark);
}

.products-table tr:hover {
    background: var(--light);
}

.products-table .product-name {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.products-table .product-emoji {
    font-size: 1.5rem;
}

/* ===== Quiz Section ===== */
.quiz-section {
    background: var(--gradient-soft);
}

.quiz-container {
    max-width: 600px;
    margin: 0 auto;
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}

.quiz-progress {
    margin-bottom: 2rem;
}

.progress-bar {
    height: 8px;
    background: var(--light);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--gradient);
    border-radius: var(--radius-full);
    transition: width 0.3s ease;
}

.progress-text {
    display: block;
    text-align: center;
    font-size: 0.875rem;
    color: var(--gray);
    margin-top: 0.5rem;
}

.quiz-question {
    text-align: center;
    margin-bottom: 2rem;
}

.quiz-question h3 {
    margin-bottom: 0.5rem;
}

.quiz-options {
    display: grid;
    gap: 0.75rem;
}

.quiz-option {
    padding: 1rem 1.5rem;
    background: var(--light);
    border: 2px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    text-align: left;
}

.quiz-option:hover {
    border-color: var(--primary-light);
    background: var(--primary-light);
}

.quiz-option.selected {
    border-color: var(--primary);
    background: var(--primary-light);
}

.quiz-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 2rem;
}

.quiz-results {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.results-header {
    margin-bottom: 2rem;
}

.results-header h3 {
    font-size: 1.75rem;
    color: var(--primary);
}

.recommended-products {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

/* ===== Compare Section ===== */
.compare-section {
    background: var(--white);
}

.compare-selector {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.compare-slot {
    position: relative;
}

.compare-select {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--light);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition);
    background: var(--white);
}

.compare-select:focus {
    outline: none;
    border-color: var(--primary);
}

.compare-table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.compare-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
}

.compare-table th,
.compare-table td {
    padding: 1rem;
    text-align: center;
    border-bottom: 1px solid var(--light);
}

.compare-table th {
    background: var(--gradient-soft);
    font-weight: 600;
}

.compare-table th:first-child,
.compare-table td:first-child {
    text-align: left;
    font-weight: 500;
    background: var(--light);
}

.compare-table tr:hover {
    background: rgba(232, 93, 117, 0.05);
}

/* ===== Features Section ===== */
.features {
    background: var(--gradient-soft);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: var(--gray);
    font-size: 0.9rem;
}

/* ===== SEO Content Section ===== */
.seo-content {
    background: var(--white);
    padding: 4rem 0;
}

.seo-article {
    max-width: 800px;
    margin: 0 auto;
}

.seo-article h2 {
    margin-bottom: 1.5rem;
    text-align: center;
}

.seo-article h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

.seo-article p {
    color: var(--gray);
    margin-bottom: 1rem;
    text-align: justify;
}

/* ===== Footer ===== */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: var(--gray-light);
    margin-top: 1rem;
    font-size: 0.9rem;
}

.footer-brand .logo {
    color: var(--white);
}

.footer-links h4,
.footer-disclaimer h4 {
    margin-bottom: 1rem;
    font-size: 1rem;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-links a {
    color: var(--gray-light);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--primary);
}

.footer-disclaimer p {
    color: var(--gray-light);
    font-size: 0.8rem;
    line-height: 1.6;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--dark-light);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

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

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        justify-content: center;
        gap: 2rem;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transition: var(--transition);
    }

    .nav-links.active {
        right: 0;
    }

    .mobile-menu-btn {
        display: flex;
        z-index: 1001;
    }

    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 6rem;
    }

    .hero-visual {
        margin-top: 2rem;
    }

    .boba-cup {
        transform: scale(0.8);
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }

    .compare-selector {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.9rem;
    }

    .section-header h2 {
        font-size: 1.5rem;
    }

    .quiz-container {
        padding: 1.5rem;
    }

    .feature-card {
        padding: 1.5rem;
    }
}

/* ===== Animations ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-in {
    animation: fadeIn 0.6s ease forwards;
}

/* ===== Utilities ===== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}