:root {
    /* Valentine's Day Palette */
    --primary: #D81B60;
    /* Romantic Pink/Red */
    --primary-dark: #AD1457;
    --primary-light: #FCE4EC;
    --accent: #FFD700;
    /* Gold */
    --text-dark: #2C1810;
    /* Dark Chocolate Text */
    --text-muted: #5D4037;
    --bg-color: #FFF0F5;
    /* Lavender Blush */
    --card-bg: #FFFFFF;

    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;

    /* Shadows & Effects */
    --shadow-sm: 0 2px 8px rgba(216, 27, 96, 0.1);
    --shadow-md: 0 8px 16px rgba(216, 27, 96, 0.15);
    --shadow-lg: 0 15px 30px rgba(216, 27, 96, 0.2);
    --radius-lg: 24px;
    --radius-md: 16px;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

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

/* Background Decoration (Floating Hearts handled via CSS gradient/pattern) */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    background-image:
        radial-gradient(circle, rgba(216, 27, 96, 0.05) 20%, transparent 20%),
        radial-gradient(circle, rgba(216, 27, 96, 0.05) 20%, transparent 20%);
    background-size: 40px 40px;
    background-position: 0 0, 20px 20px;
    z-index: -1;
}

/* Typography */
h1,
h2,
h3 {
    font-family: var(--font-heading);
    font-weight: 700;
}

.container {
    width: 100%;
    padding: 0 1.25rem;
    margin: 0 auto;
}

/* --- HERO SECTION (Mobile First) --- */
.hero {
    min-height: 90vh;
    /* Full screen on mobile */
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 6rem 0 4rem;
    position: relative;
    overflow: hidden;
    background: radial-gradient(circle at center, #fff 0%, var(--bg-color) 100%);
}

.eyebrow {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 1rem;
    display: inline-block;
    background: rgba(255, 255, 255, 0.8);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    box-shadow: var(--shadow-sm);
}

.hero h1 {
    font-size: 2.75rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.hero h1 .highlight {
    color: var(--primary);
    font-style: italic;
    background: linear-gradient(120deg, transparent 0%, transparent 100%);
    background-repeat: no-repeat;
    background-size: 100% 40%;
    background-position: 0 88%;
    /* Could add underline effect here */
}

.subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 90%;
    margin-left: auto;
    margin-right: auto;
}

/* CTA Button */
.cta-scroll {
    display: inline-block;
    padding: 1.1rem 3rem;
    background: var(--primary);
    color: white;
    font-weight: 600;
    border-radius: 50px;
    text-decoration: none;
    box-shadow: 0 10px 20px rgba(216, 27, 96, 0.3);
    transition: var(--transition);
    border: 2px solid transparent;
}

.cta-scroll:active {
    transform: scale(0.95);
}

/* --- NAVIGATION & FILTERS --- */
.category-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 240, 245, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 1rem 0;
    border-bottom: 1px solid rgba(216, 27, 96, 0.1);
}

.filter-list {
    display: flex;
    gap: 0.75rem;
    overflow-x: auto;
    /* Scrollable on mobile */
    padding: 0.5rem 1.25rem 1rem;
    /* Pad for scrollbar space */
    list-style: none;
    scrollbar-width: none;
    /* Hide scrollbar Firefox */
    -ms-overflow-style: none;
    /* Hide scrollbar IE */
}

.filter-list::-webkit-scrollbar {
    display: none;
    /* Hide scrollbar Chrome/Safari */
}

.filter-btn {
    white-space: nowrap;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    border: 1px solid rgba(216, 27, 96, 0.2);
    background: white;
    color: var(--text-muted);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(216, 27, 96, 0.3);
    transform: scale(1.05);
}

/* --- PRODUCTS GRID --- */
.products-section {
    padding: 3rem 0 6rem;
}

.grid {
    display: grid;
    grid-template-columns: 1fr;
    /* 1 Column Mobile */
    gap: 2rem;
}

.product-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.5);
}

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

.card-image-wrapper {
    position: relative;
    padding-top: 100%;
    /* Square image on mobile for impact */
    background: #f8f8f8;
}

.card-image-wrapper img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    /* Right align on mobile aesthetics */
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary);
    font-weight: 700;
    padding: 0.4rem 1rem;
    border-radius: 12px;
    font-size: 0.75rem;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    text-transform: uppercase;
}

.card-content {
    padding: 1.5rem;
}

.card-title {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.card-description {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.amazon-btn {
    display: block;
    width: 100%;
    padding: 1rem;
    text-align: center;
    background: linear-gradient(135deg, #FFC107 0%, #FF9800 100%);
    /* Gold/Orange Gradient */
    color: #3E2723;
    font-weight: 700;
    text-decoration: none;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 10px rgba(255, 193, 7, 0.3);
    transition: var(--transition);
}

.amazon-btn:hover {
    filter: brightness(1.05);
    box-shadow: 0 6px 15px rgba(255, 193, 7, 0.4);
}

/* Footer */
footer {
    text-align: center;
    padding: 4rem 1.5rem;
    background: white;
    margin-top: 2rem;
    border-radius: 40px 40px 0 0;
}

/* --- DESKTOP ENHANCEMENTS (min-width logic) --- */
@media (min-width: 768px) {
    .container {
        max-width: 720px;
        padding-left: 2rem;
        padding-right: 2rem;
    }

    .hero h1 {
        font-size: 4.5rem;
    }

    .grid {
        grid-template-columns: repeat(2, 1fr);
        /* 2 Cols Tablet */
    }

    .filter-list {
        justify-content: center;
        /* Center filters on larger screens */
        padding-bottom: 0;
    }
}

@media (min-width: 1024px) {
    .container {
        max-width: 1200px;
    }

    .grid {
        grid-template-columns: repeat(3, 1fr);
        /* 3 Cols Desktop */
        gap: 2.5rem;
    }

    .product-card:hover {
        transform: translateY(-10px);
    }
}

/* Animation Utilities */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}