:root {
    /* Brand Colors based on Amazon Store */
    --clr-navy: #0A192F;
    --clr-navy-light: #112240;
    --clr-white: #FFFFFF;
    --clr-off-white: #F8F9FA;
    --clr-wood: #C19A6B;
    /* Warm wood tone */
    --clr-wood-dark: #8B5A2B;
    --clr-text-main: #333333;
    --clr-text-light: #8892B0;

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

    /* Spacing & Layout */
    --section-padding: 8rem 0;
    --container-width: 1200px;

    /* Animation Timing */
    --transition-smooth: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: auto;
    /* Handled by GSAP ScrollSmoother if available, else smooth scroll script */
}

body {
    font-family: var(--font-sans);
    background-color: var(--clr-off-white);
    color: var(--clr-text-main);
    line-height: 1.6;
    overflow-x: hidden;
    cursor: none;
    /* Hide default for custom cursor */
}

/* Custom Cursor */
.cursor {
    width: 20px;
    height: 20px;
    border: 2px solid var(--clr-wood);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s, background-color 0.3s;
    mix-blend-mode: difference;
}

.cursor.active {
    width: 50px;
    height: 50px;
    background-color: rgba(193, 154, 107, 0.2);
}

/* Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.text-center {
    text-align: center;
}

/* Typography Styles */
h1,
h2,
h3,
h4 {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: 1.2;
}

h2 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 1.5rem;
}

p {
    font-size: 1.1rem;
    color: var(--clr-text-light);
    margin-bottom: 2rem;
}

/* Buttons */
a {
    text-decoration: none;
    color: inherit;
}

.btn-primary,
.btn-secondary,
.btn-outline {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-family: var(--font-sans);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 4px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background-color: var(--clr-wood);
    color: var(--clr-white);
    border: 1px solid var(--clr-wood);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--clr-wood);
}

.btn-secondary {
    background-color: var(--clr-navy);
    color: var(--clr-white);
}

.btn-secondary:hover {
    background-color: transparent;
    color: var(--clr-navy);
    border: 1px solid var(--clr-navy);
}

.btn-outline {
    border: 1px solid var(--clr-white);
    color: var(--clr-white);
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    transition: background-color 0.4s ease, padding 0.4s ease;
}

.navbar.scrolled {
    background-color: rgba(10, 25, 47, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 5%;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--clr-white);
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-links a {
    color: var(--clr-white);
    font-weight: 500;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
}

.navbar.scrolled .nav-links a:not(.btn-primary) {
    color: var(--clr-white);
    /* Keep white for contrast on navy */
}

.nav-links a:not(.btn-primary)::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0%;
    height: 2px;
    background-color: var(--clr-wood);
    transition: width 0.3s ease;
}

.nav-links a:not(.btn-primary):hover::after {
    width: 100%;
}

.nav-links .btn-primary {
    padding: 0.8rem 1.8rem;
}

.hamburger {
    display: none;
    cursor: pointer;
}

/* Hero Section */
.hero {
    height: 100vh;
    width: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--clr-white);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Luxury dark architectural interior from Unsplash */
    background: linear-gradient(rgba(10, 25, 47, 0.7), rgba(10, 25, 47, 0.9)), url('https://images.unsplash.com/photo-1600585154340-be6161a56a0c?q=80&w=2000&auto=format&fit=crop') center/cover no-repeat;
    z-index: -1;
    transform: scale(1.05);
    /* For GSAP scaling effect */
}

.hero-content {
    z-index: 1;
    max-width: 800px;
    padding: 0 2rem;
}

.hero-content h1 {
    font-size: clamp(3rem, 8vw, 6rem);
    margin-bottom: 1.5rem;
    line-height: 1.1;
    /* Setup for split text animation */
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0% 100%);
}

.hero-content p {
    color: var(--clr-off-white);
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    opacity: 0.7;
}

.scroll-indicator span {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scroll-indicator .line {
    width: 1px;
    height: 60px;
    background-color: rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.scroll-indicator .line::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--clr-white);
    animation: scrollLine 2s infinite cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes scrollLine {
    0% {
        transform: translateY(-100%);
    }

    50% {
        transform: translateY(0);
    }

    100% {
        transform: translateY(100%);
    }
}

/* Product Showcases */
.product-showcase {
    padding: var(--section-padding);
    position: relative;
    overflow: hidden;
    perspective: 1200px;
    /* 3D Perspective for Cards */
}

.dark-theme {
    background-color: var(--clr-navy);
    color: var(--clr-white);
}

.dark-theme p {
    color: rgba(255, 255, 255, 0.7);
}

.light-theme {
    background-color: var(--clr-off-white);
}

/* 3D Glass Card Container */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 4rem;
    box-shadow: var(--glass-shadow);
    transform-style: preserve-3d;
    transition: transform 0.1s ease;
    /* Required for JS Tilt smooth follow */
    position: relative;
    z-index: 2;
}

/* Light theme specific glass adjustments */
.light-theme .glass-card {
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.08);
}

.product-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    /* Translate interior elements forward in Z space for 3D POP */
    transform: translateZ(30px);
}

.product-info {
    transform: translateZ(50px);
    /* Pop text out from card surface */
}

.product-info .category {
    display: inline-block;
    color: var(--clr-wood);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
    font-size: 0.85rem;
    background: rgba(193, 154, 107, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 30px;
    border: 1px solid rgba(193, 154, 107, 0.2);
}

/* Enhancing typography for depth */
.split-text {
    background: linear-gradient(135deg, #FFFFFF 0%, #A0ABC0 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.light-theme .split-text {
    background: linear-gradient(135deg, var(--clr-navy) 0%, #4A5568 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: none;
}

.feature-list {
    list-style: none;
    margin-bottom: 2.5rem;
}

.feature-list li {
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: 1.5rem;
    font-family: var(--font-serif);
    font-size: 1.2rem;
}

.feature-list li span {
    color: var(--clr-wood);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
}

.dark-theme .feature-list li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.light-theme .feature-list li {
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

/* Parallax Image Container */
.parallax-img-container {
    position: relative;
    height: 700px;
    width: 100%;
    overflow: hidden;
    border-radius: 4px;
}

.parallax-img {
    position: absolute;
    top: -10%;
    /* Negative top for parallax buffer */
    left: 0;
    width: 100%;
    height: 120%;
    /* Taller than container for parallax travel */
    object-fit: cover;
    transform-origin: center;
}

/* Philosophy Section */
.philosophy {
    padding: 12rem 0;
    background-color: var(--clr-off-white);
}

.huge-text {
    font-size: clamp(3rem, 8vw, 7rem);
    line-height: 1;
    margin-bottom: 2rem;
    color: var(--clr-navy);
}

.lead-text {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    max-width: 800px;
    margin: 0 auto;
    color: var(--clr-text-main);
}

/* Footer */
.footer {
    background-color: var(--clr-navy-light);
    color: var(--clr-white);
    padding: 5rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand h2 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.footer-brand p {
    color: #A0ABC0;
}

.footer h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: var(--clr-wood);
}

.footer a {
    display: block;
    color: #A0ABC0;
    margin-bottom: 0.8rem;
    transition: color 0.3s ease;
}

.footer a:hover {
    color: var(--clr-white);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #A0ABC0;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 968px) {
    .product-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .product-grid.reverse-layout .product-info {
        order: 2;
    }

    .product-grid.reverse-layout .product-imagery {
        order: 1;
    }

    .parallax-img-container {
        height: 500px;
    }

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

    .footer-brand {
        grid-column: 1 / -1;
    }

    .nav-links {
        display: none;
        /* Add mobile menu logic in JS if needed */
    }

    .hamburger {
        display: block;
    }
}