:root {
    --color-bg: #f9f9f9;
    --color-text-main: #1a1a1a;
    --color-text-sub: #666;
    --color-accent: #d4af37; /* Muted Gold */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    --spacing-section: 100vh;
}

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

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

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text-main);
    overflow-x: hidden;
    /* Scroll Snapping */
    height: 100vh;
    overflow-y: scroll;
    scroll-snap-type: y mandatory;
}

/* Typography */
h1, h2, h3 {
    font-family: var(--font-heading);
    font-weight: 400;
}

.text-reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: all 1s ease-out;
}

.visible .text-reveal {
    opacity: 1;
    transform: translateY(0);
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 2rem 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    mix-blend-mode: difference;
    color: white;
}

.logo {
    font-size: 1.5rem;
    letter-spacing: 0.2rem;
    font-weight: 700;
    font-family: var(--font-heading);
}

.nav-links a {
    color: white;
    text-decoration: none;
    margin-left: 2rem;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.1rem;
    transition: opacity 0.3s;
}

.nav-links a:hover {
    opacity: 0.7;
}

/* Sections Common */
section {
    height: 100vh;
    width: 100%;
    position: relative;
    scroll-snap-align: start;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.bg-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background-size: cover;
    background-position: center;
    filter: brightness(0.7);
    transition: transform 10s ease;
}

section:hover .bg-layer {
    transform: scale(1.05);
}

.content-wrapper {
    text-align: center;
    max-width: 800px;
    padding: 2rem;
    color: white;
    z-index: 1;
}

/* Screen 1: Hero */
.hero-title {
    font-size: 8rem;
    margin-bottom: 1rem;
    letter-spacing: -0.05em;
    line-height: 1;
}

.hero-subtitle {
    font-size: 1.2rem;
    font-weight: 300;
    letter-spacing: 0.2rem;
    margin-top: 1rem;
    font-style: italic;
}

/* Screen 2: Brand Story */
.story-text {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-top: 2rem;
    font-weight: 300;
}

/* Screen 3: Gallery/Collection */
.collection-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    width: 80%;
    margin: 3rem auto;
}

.collection-item {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255,255,255,0.2);
    transition: transform 0.3s;
}

.collection-item:hover {
    transform: translateY(-10px);
    background: rgba(255,255,255,0.2);
}

/* Screen 4: Philosophy */
.philosophy-quote {
    font-size: 2.5rem;
    font-family: var(--font-heading);
    font-style: italic;
    margin-bottom: 1rem;
    color: #fff;
}

/* Screen 5: Footer/Newsletter */
.footer-section {
    background-color: #111;
    color: white;
    flex-direction: column;
}

.newsletter-form {
    margin: 2rem 0;
    display: flex;
    gap: 1rem;
}

input[type="email"] {
    background: transparent;
    border: none;
    border-bottom: 1px solid white;
    padding: 0.5rem;
    color: white;
    width: 300px;
    font-family: var(--font-body);
}

input[type="email"]:focus {
    outline: none;
    border-bottom-color: var(--color-accent);
}

button.btn-submit {
    background: white;
    color: black;
    border: none;
    padding: 0.5rem 2rem;
    text-transform: uppercase;
    font-size: 0.8rem;
    cursor: pointer;
    transition: background 0.3s;
}

button.btn-submit:hover {
    background: var(--color-accent);
    color: white;
}

.footer-links {
    margin-top: auto;
    margin-bottom: 2rem;
    display: flex;
    gap: 2rem;
    font-size: 0.9rem;
    opacity: 0.6;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 4rem;
    }
    .collection-grid {
        grid-template-columns: 1fr;
    }
    nav {
        padding: 1.5rem;
    }
    .nav-links {
        display: none; /* Simplification for mobile */
    }
}