/* ==========================================
   CLIMBING TIME - Main Stylesheet
   A colorful, playful e-commerce experience
   ========================================== */

/* CSS Variables */
:root {
    /* Primary Colors */
    --primary-pink: #ff6b9d;
    --primary-purple: #c44569;
    --primary-blue: #4facfe;
    --primary-cyan: #00f2fe;
    --primary-green: #38ef7d;
    --primary-yellow: #f6d365;
    --primary-orange: #fda085;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-pink: linear-gradient(135deg, #ff6b9d 0%, #c44569 100%);
    --gradient-blue: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-green: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --gradient-sunset: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-peach: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
    --gradient-rainbow: linear-gradient(90deg, #ff6b9d, #fda085, #f6d365, #38ef7d, #4facfe, #764ba2);
    
    /* Neutrals */
    --white: #ffffff;
    --off-white: #f8f9ff;
    --light-gray: #e8ecf4;
    --medium-gray: #94a3b8;
    --dark-gray: #475569;
    --dark: #1e293b;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 30px rgba(102, 126, 234, 0.3);
    
    /* Typography */
    --font-primary: 'Fredoka', sans-serif;
    --font-secondary: 'Quicksand', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 5rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-secondary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--off-white);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 600;
    line-height: 1.2;
}

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

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

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

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Gradient Text */
.gradient-text {
    background: var(--gradient-rainbow);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% center; }
    50% { background-position: 100% center; }
}

/* Floating Background Blobs */
.blob {
    position: fixed;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    z-index: -1;
    animation: blobFloat 20s ease-in-out infinite;
}

.blob-1 {
    width: 400px;
    height: 400px;
    background: var(--primary-pink);
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

.blob-2 {
    width: 300px;
    height: 300px;
    background: var(--primary-blue);
    top: 50%;
    right: -100px;
    animation-delay: -5s;
}

.blob-3 {
    width: 350px;
    height: 350px;
    background: var(--primary-green);
    bottom: -50px;
    left: 30%;
    animation-delay: -10s;
}

.blob-4 {
    width: 250px;
    height: 250px;
    background: var(--primary-yellow);
    top: 30%;
    left: 50%;
    animation-delay: -15s;
}

@keyframes blobFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.1); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(20px, 30px) scale(1.05); }
}

/* ==========================================
   NAVIGATION
   ========================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

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

.logo-icon {
    font-size: 1.8rem;
    animation: logoWiggle 2s ease-in-out infinite;
}

@keyframes logoWiggle {
    0%, 100% { transform: rotate(-5deg); }
    50% { transform: rotate(5deg); }
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-link {
    font-family: var(--font-primary);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: var(--gradient-primary);
    transition: var(--transition-normal);
    transform: translateX(-50%);
    border-radius: var(--radius-full);
}

.nav-link:hover::before,
.nav-link.active::before {
    width: 80%;
}

.nav-link:hover {
    color: var(--primary-purple);
}

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

.wishlist-btn,
.cart-btn {
    position: relative;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--spacing-xs);
    transition: var(--transition-fast);
}

.wishlist-btn:hover,
.cart-btn:hover {
    transform: scale(1.1);
}

.wishlist-count,
.cart-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--gradient-pink);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--dark);
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }
    
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: white;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-normal);
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
}

/* ==========================================
   BUTTONS
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-normal);
    text-transform: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(102, 126, 234, 0.5);
}

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

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

.btn-bounce:hover {
    animation: bounce 0.5s ease;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.btn-small {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.85rem;
}

.btn-icon {
    font-size: 1.2rem;
}

.btn-recipe {
    background: var(--gradient-green);
    color: white;
    box-shadow: 0 4px 15px rgba(56, 239, 125, 0.4);
}

.btn-recipe:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(56, 239, 125, 0.5);
}

.btn-challenge {
    background: var(--gradient-sunset);
    color: white;
    width: 100%;
    box-shadow: 0 4px 15px rgba(240, 147, 251, 0.4);
}

.btn-challenge:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(240, 147, 251, 0.5);
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 100px var(--spacing-md) var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero-badge {
    display: inline-block;
    background: var(--gradient-peach);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-family: var(--font-primary);
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.6s ease;
}

.hero-title {
    margin-bottom: var(--spacing-md);
}

.title-line {
    display: block;
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--dark-gray);
    animation: fadeInUp 0.6s ease 0.1s both;
}

.title-main {
    display: block;
    font-size: clamp(3rem, 6vw, 5rem);
    animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-lg);
    max-width: 500px;
    animation: fadeInUp 0.6s ease 0.3s both;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease 0.4s both;
}

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

/* Hero Visual - Slime Animation */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.slime-container {
    position: relative;
    width: 300px;
    height: 300px;
}

.slime-ball {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 150px;
    background: var(--gradient-primary);
    border-radius: 50% 50% 45% 45%;
    animation: slimeWobble 3s ease-in-out infinite;
    box-shadow: 
        inset -20px -20px 40px rgba(255, 255, 255, 0.3),
        0 20px 40px rgba(102, 126, 234, 0.4);
}

.slime-ball::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 20%;
    width: 30px;
    height: 20px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    transform: rotate(-30deg);
}

@keyframes slimeWobble {
    0%, 100% { 
        border-radius: 50% 50% 45% 45%;
        transform: translateX(-50%) scaleX(1);
    }
    25% { 
        border-radius: 45% 55% 50% 40%;
        transform: translateX(-50%) scaleX(1.05);
    }
    50% { 
        border-radius: 55% 45% 45% 55%;
        transform: translateX(-50%) scaleX(0.95);
    }
    75% { 
        border-radius: 40% 50% 55% 45%;
        transform: translateX(-50%) scaleX(1.02);
    }
}

.slime-drip {
    position: absolute;
    top: 0;
    width: 30px;
    background: var(--gradient-primary);
    border-radius: 50% 50% 45% 45%;
    animation: drip 2s ease-in-out infinite;
}

.slime-1 {
    left: 30%;
    height: 80px;
    animation-delay: 0s;
}

.slime-2 {
    left: 50%;
    height: 100px;
    animation-delay: 0.5s;
}

.slime-3 {
    left: 70%;
    height: 60px;
    animation-delay: 1s;
}

@keyframes drip {
    0%, 100% { transform: scaleY(1) translateY(0); }
    50% { transform: scaleY(1.3) translateY(20px); }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--medium-gray);
    font-size: 0.85rem;
    animation: fadeInUp 0.6s ease 0.6s both;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--medium-gray);
    border-bottom: 2px solid var(--medium-gray);
    transform: rotate(45deg);
    animation: scrollBounce 1.5s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: rotate(45deg) translateY(0); }
    50% { transform: rotate(45deg) translateY(10px); }
}

@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .slime-container {
        width: 200px;
        height: 200px;
    }
    
    .slime-ball {
        width: 150px;
        height: 100px;
    }
}

/* ==========================================
   CATEGORIES SECTION
   ========================================== */
.categories {
    padding: var(--spacing-2xl) 0;
    margin-top: -50px;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.category-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    cursor: pointer;
}

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

.category-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.category-card h3 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
}

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

@media (max-width: 768px) {
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .category-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================
   SECTION HEADERS
   ========================================== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-tag {
    display: inline-block;
    background: var(--gradient-peach);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-family: var(--font-primary);
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--dark-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================
   SHOP SECTION
   ========================================== */
.shop-section {
    padding: var(--spacing-2xl) 0;
    background: white;
}

/* Shop Filters */
.shop-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-xs) var(--spacing-lg);
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 500;
    background: var(--light-gray);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-normal);
}

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

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.product-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    position: relative;
}

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

.product-badge {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-family: var(--font-primary);
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 10;
}

.product-badge.bestseller {
    background: var(--gradient-sunset);
    color: white;
}

.product-badge.new {
    background: var(--gradient-blue);
    color: white;
}

.product-badge.diy {
    background: var(--gradient-green);
    color: white;
}

.product-image {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.product-slime {
    width: 100px;
    height: 80px;
    border-radius: 50% 50% 45% 45%;
    animation: productWobble 3s ease-in-out infinite;
    box-shadow: 
        inset -10px -10px 20px rgba(255, 255, 255, 0.3),
        0 10px 20px rgba(0, 0, 0, 0.2);
}

.product-slime.pink { background: linear-gradient(135deg, #ff9a9e, #fecfef); }
.product-slime.purple { background: linear-gradient(135deg, #a18cd1, #fbc2eb); }
.product-slime.green { background: linear-gradient(135deg, #a8edea, #fed6e3); }
.product-slime.rainbow { background: var(--gradient-rainbow); background-size: 200%; }
.product-slime.orange { background: linear-gradient(135deg, #fff1eb, #ace0f9); }
.product-slime.blue { background: linear-gradient(135deg, #89f7fe, #66a6ff); }

@keyframes productWobble {
    0%, 100% { transform: scaleX(1) scaleY(1); }
    50% { transform: scaleX(1.05) scaleY(0.95); }
}

.merch-image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.merch-icon {
    font-size: 5rem;
    filter: drop-shadow(0 5px 15px rgba(0, 0, 0, 0.1));
}

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

.product-name {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xs);
}

.product-description {
    font-size: 0.9rem;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-details {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.product-details span {
    font-size: 0.8rem;
    padding: 4px 10px;
    background: var(--off-white);
    border-radius: var(--radius-full);
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--light-gray);
}

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

.product-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.btn-wishlist {
    background: var(--light-gray);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-wishlist:hover {
    background: var(--gradient-pink);
    transform: scale(1.1);
}

.btn-wishlist.active {
    background: var(--gradient-pink);
}

.btn-add-cart {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-family: var(--font-primary);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-add-cart:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-glow);
}

/* ==========================================
   COSMETOLOGY SECTION
   ========================================== */
.cosmetology-section {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, #fff5f8 0%, #fef3ff 100%);
}

.cosmo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.cosmo-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

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

.cosmo-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin: 0 auto var(--spacing-md);
}

.cosmo-card h3 {
    margin-bottom: var(--spacing-xs);
}

.cosmo-card p {
    color: var(--dark-gray);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
}

.video-count {
    font-size: 0.85rem;
    color: var(--primary-purple);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.youtube-cta {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
}

.youtube-cta h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.youtube-cta p {
    color: var(--dark-gray);
    margin-bottom: var(--spacing-md);
}

.btn-youtube {
    background: linear-gradient(135deg, #ff0000, #cc0000);
    box-shadow: 0 4px 15px rgba(255, 0, 0, 0.3);
}

.btn-youtube:hover {
    box-shadow: 0 6px 25px rgba(255, 0, 0, 0.4);
}

/* ==========================================
   STEM SECTION
   ========================================== */
.stem-section {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, #f0f7ff 0%, #e8f5e9 100%);
}

.stem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.stem-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

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

.stem-header {
    padding: var(--spacing-lg);
    text-align: center;
    position: relative;
}

.stem-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.2);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
}

.stem-emoji {
    font-size: 4rem;
    filter: drop-shadow(0 5px 15px rgba(0, 0, 0, 0.1));
}

.stem-body {
    padding: var(--spacing-lg);
}

.stem-body h3 {
    margin-bottom: var(--spacing-xs);
}

.stem-body p {
    color: var(--dark-gray);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
}

.stem-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    align-items: center;
}

.stem-meta span {
    font-size: 0.85rem;
    color: var(--medium-gray);
}

.stem-meta .difficulty {
    color: white;
}

.btn-stem {
    background: var(--gradient-blue);
    color: white;
    width: 100%;
    box-shadow: 0 4px 15px rgba(79, 172, 254, 0.4);
}

.btn-stem:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(79, 172, 254, 0.5);
}

/* ==========================================
   RECIPES SECTION
   ========================================== */
.recipes-section {
    padding: var(--spacing-2xl) 0;
    background: var(--off-white);
}

.recipes-intro {
    margin-bottom: var(--spacing-xl);
}

.intro-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    box-shadow: var(--shadow-sm);
}

.intro-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.intro-card h3 {
    margin-bottom: var(--spacing-xs);
}

.intro-card p {
    color: var(--dark-gray);
}

.recipes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.recipe-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

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

.recipe-header {
    padding: var(--spacing-lg);
    color: white;
    position: relative;
}

.recipe-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.2);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

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

.difficulty {
    display: inline-block;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.2);
}

.difficulty.easy { background: rgba(56, 239, 125, 0.3); }
.difficulty.medium { background: rgba(246, 211, 101, 0.3); }
.difficulty.hard { background: rgba(245, 87, 108, 0.3); }

.recipe-body {
    padding: var(--spacing-lg);
}

.recipe-body > p {
    color: var(--dark-gray);
    margin-bottom: var(--spacing-md);
}

.recipe-preview {
    background: var(--off-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.recipe-preview h4 {
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
    color: var(--primary-purple);
}

.recipe-preview ul {
    list-style: none;
    font-size: 0.9rem;
}

.recipe-preview li {
    padding: 4px 0;
    padding-left: 20px;
    position: relative;
}

.recipe-preview li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-green);
}

.recipe-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    align-items: center;
}

.or-text {
    font-size: 0.85rem;
    color: var(--medium-gray);
}

.recipe-card.create-your-own {
    border: 3px dashed var(--primary-yellow);
    background: linear-gradient(135deg, rgba(246, 211, 101, 0.1), rgba(253, 160, 133, 0.1));
}

/* ==========================================
   CHALLENGES SECTION
   ========================================== */
.challenges-section {
    padding: var(--spacing-2xl) 0;
    background: white;
}

.challenges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.challenge-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.challenge-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-rainbow);
}

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

.challenge-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.challenge-difficulty {
    display: inline-block;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.challenge-difficulty.easy {
    background: linear-gradient(135deg, #11998e, #38ef7d);
    color: white;
}

.challenge-difficulty.medium {
    background: linear-gradient(135deg, #f6d365, #fda085);
    color: white;
}

.challenge-difficulty.hard {
    background: linear-gradient(135deg, #f093fb, #f5576c);
    color: white;
}

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

.challenge-card > p {
    color: var(--dark-gray);
    margin-bottom: var(--spacing-md);
}

.challenge-details {
    margin-bottom: var(--spacing-md);
}

.challenge-info {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.challenge-info span {
    font-size: 0.85rem;
    color: var(--medium-gray);
}

.challenge-reward {
    margin-top: var(--spacing-sm);
}

.reward-badge {
    display: inline-block;
    background: var(--gradient-peach);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
}

.challenge-instructions {
    background: var(--off-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.challenge-instructions h4 {
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-purple);
}

.challenge-instructions ol {
    font-size: 0.9rem;
    padding-left: 20px;
}

.challenge-instructions li {
    padding: 4px 0;
}

/* ==========================================
   ABOUT SECTION
   ========================================== */
.about-section {
    padding: var(--spacing-2xl) 0;
    background: var(--off-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

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

.about-frame {
    width: 280px;
    height: 280px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    animation: frameFloat 3s ease-in-out infinite;
}

.creator-avatar {
    font-size: 8rem;
}

@keyframes frameFloat {
    0%, 100% { transform: translateY(0) rotate(-3deg); }
    50% { transform: translateY(-10px) rotate(3deg); }
}

.about-decorations {
    position: absolute;
    inset: 0;
}

.deco {
    position: absolute;
    font-size: 2rem;
    animation: decoFloat 4s ease-in-out infinite;
}

.deco-1 { top: 0; left: 10%; animation-delay: 0s; }
.deco-2 { top: 20%; right: 0; animation-delay: -1s; }
.deco-3 { bottom: 10%; left: 0; animation-delay: -2s; }
.deco-4 { bottom: 0; right: 20%; animation-delay: -3s; }

@keyframes decoFloat {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-15px) scale(1.1); }
}

.about-text .section-tag {
    margin-bottom: var(--spacing-sm);
}

.about-text .section-title {
    text-align: left;
    margin-bottom: var(--spacing-md);
}

.about-story p {
    margin-bottom: var(--spacing-md);
    color: var(--dark-gray);
}

.about-story strong {
    color: var(--primary-purple);
}

.about-values {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    flex-wrap: wrap;
}

.value-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
}

.value-icon {
    font-size: 1.3rem;
}

@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .about-text .section-title {
        text-align: center;
    }
    
    .about-values {
        justify-content: center;
    }
}

/* ==========================================
   NEWSLETTER SECTION
   ========================================== */
.newsletter-section {
    padding: var(--spacing-2xl) 0;
    background: white;
}

.newsletter-card {
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-xl);
    color: white;
    position: relative;
    overflow: hidden;
}

.newsletter-content {
    max-width: 500px;
}

.newsletter-content h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-sm);
}

.newsletter-content > p {
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.newsletter-form input {
    flex: 1;
    min-width: 200px;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-full);
    font-family: var(--font-secondary);
    font-size: 1rem;
}

.newsletter-form .btn {
    background: white;
    color: var(--primary-purple);
}

.newsletter-form .btn:hover {
    transform: scale(1.05);
}

.newsletter-note {
    font-size: 0.85rem;
    opacity: 0.7;
    margin-top: var(--spacing-sm);
}

.newsletter-decoration {
    font-size: 8rem;
    opacity: 0.2;
}

@media (max-width: 768px) {
    .newsletter-card {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-xl);
    }
    
    .newsletter-decoration {
        display: none;
    }
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
    background: var(--dark);
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand .logo {
    margin-bottom: var(--spacing-md);
}

.footer-brand p {
    color: var(--medium-gray);
    max-width: 300px;
}

.footer-column h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
}

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

.footer-column li {
    margin-bottom: var(--spacing-xs);
}

.footer-column a {
    color: var(--medium-gray);
    transition: var(--transition-fast);
}

.footer-column a:hover {
    color: white;
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: var(--medium-gray);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-brand {
        grid-column: span 2;
    }
}

@media (max-width: 480px) {
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-brand {
        grid-column: 1;
    }
}

/* ==========================================
   CART SIDEBAR
   ========================================== */
.cart-sidebar,
.wishlist-sidebar {
    position: fixed;
    top: 0;
    right: -400px;
    width: 400px;
    max-width: 100%;
    height: 100%;
    background: white;
    z-index: 2000;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    transition: var(--transition-normal);
}

.cart-sidebar.active,
.wishlist-sidebar.active {
    right: 0;
}

.cart-header,
.wishlist-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--light-gray);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-header h3,
.wishlist-header h3 {
    font-size: 1.3rem;
}

.close-cart,
.close-wishlist {
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--dark-gray);
    transition: var(--transition-fast);
}

.close-cart:hover,
.close-wishlist:hover {
    color: var(--primary-purple);
}

.cart-items,
.wishlist-items {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
}

.cart-empty,
.wishlist-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
    color: var(--medium-gray);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.cart-item,
.wishlist-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--off-white);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
}

.cart-item-image,
.wishlist-item-image {
    width: 70px;
    height: 70px;
    border-radius: var(--radius-sm);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.cart-item-details,
.wishlist-item-details {
    flex: 1;
}

.cart-item-name,
.wishlist-item-name {
    font-family: var(--font-primary);
    font-weight: 600;
    margin-bottom: 4px;
}

.cart-item-price,
.wishlist-item-price {
    color: var(--primary-purple);
    font-weight: 600;
}

.cart-item-qty {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-xs);
}

.qty-btn {
    width: 28px;
    height: 28px;
    border: 1px solid var(--light-gray);
    background: white;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition-fast);
}

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

.cart-item-remove,
.wishlist-item-remove {
    background: none;
    border: none;
    color: var(--medium-gray);
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition-fast);
}

.cart-item-remove:hover,
.wishlist-item-remove:hover {
    color: var(--primary-pink);
}

.cart-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--light-gray);
}

.cart-total {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
    font-family: var(--font-primary);
    font-size: 1.2rem;
}

.total-amount {
    font-weight: 700;
    color: var(--primary-purple);
}

.btn-checkout {
    width: 100%;
}

/* ==========================================
   MODALS
   ========================================== */
.modal {
    position: fixed;
    inset: 0;
    z-index: 3000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: white;
    border-radius: var(--radius-xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9);
    transition: var(--transition-normal);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--dark-gray);
    z-index: 10;
}

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

.modal-header {
    padding: var(--spacing-lg);
    text-align: center;
    border-bottom: 1px solid var(--light-gray);
}

.modal-body {
    padding: var(--spacing-lg);
}

/* Recipe Modal Content */
.recipe-full {
    font-size: 0.95rem;
}

.recipe-full h4 {
    color: var(--primary-purple);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.recipe-full ul,
.recipe-full ol {
    padding-left: 20px;
    margin-bottom: var(--spacing-md);
}

.recipe-full li {
    padding: 6px 0;
}

.recipe-tips {
    background: var(--off-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
}

.recipe-tips h4 {
    margin-top: 0;
}

/* Theme Reveal */
.theme-reveal {
    text-align: center;
}

.theme-result {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-rainbow);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease infinite;
    padding: var(--spacing-xl);
}

/* ==========================================
   OVERLAY
   ========================================== */
.overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1500;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ==========================================
   TOAST NOTIFICATION
   ========================================== */
.toast {
    position: fixed;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--dark);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    z-index: 4000;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transition: var(--transition-normal);
}

.toast.active {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast-icon {
    background: var(--primary-green);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
}

/* ==========================================
   UTILITIES
   ========================================== */
.hidden {
    display: none !important;
}

.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;
}

/* ==========================================
   RESPONSIVE ADJUSTMENTS
   ========================================== */
@media (max-width: 1024px) {
    .products-grid,
    .recipes-grid,
    .challenges-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .products-grid,
    .recipes-grid {
        grid-template-columns: 1fr;
    }
    
    .challenges-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================
   ANIMATIONS
   ========================================== */
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

.animate-shake {
    animation: shake 0.5s ease;
}