/* ==========================================================================
   RESET & VARIABLES
   ========================================================================== */
:root {
    --bg-dark: #0B0B0B;
    --gold: #D4AF37;
    --gold-light: #F3E5AB;
    --gold-dark: #AA8C2C;
    --text-light: #F4F1EA;
    --text-muted: #A09E98;
    
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    
    --header-height: 90px;
    --z-back: -10;
    --z-normal: 1;
    --z-header: 100;
    --z-modal: 1000;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-light);
    font-family: var(--font-body);
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* No complex architectural walls needed, image handles it */

.fog-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -9;
    pointer-events: none;
    overflow: hidden;
    mix-blend-mode: screen;
}

.fog-layer {
    position: absolute;
    width: 200%;
    height: 100%;
    background: transparent url('https://raw.githubusercontent.com/danielstuart14/CSS_FOG_ANIMATION/master/fog1.png') repeat-x;
    background-size: cover;
    opacity: 0.15;
}

.fog-1 {
    animation: fog-anim 60s linear infinite;
}

.fog-2 {
    background-image: url('https://raw.githubusercontent.com/danielstuart14/CSS_FOG_ANIMATION/master/fog2.png');
    animation: fog-anim 40s linear infinite reverse;
    opacity: 0.1;
}

@keyframes fog-anim {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

#dust-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -8;
    pointer-events: none;
}

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 500;
}

.gold-highlight {
    color: var(--gold);
    font-style: italic;
    position: relative;
    display: inline-block;
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: var(--z-header);
    transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    background: transparent;
}

.header.scrolled {
    background: rgba(11, 11, 11, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
    height: 70px;
}

.header-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 40px;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--text-light);
}

.logo-subtitle {
    font-family: var(--font-body);
    font-size: 0.65rem;
    font-weight: 400;
    letter-spacing: 1px;
    color: var(--gold);
    text-transform: uppercase;
    margin-top: 2px;
}

.nav-menu {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 1px;
    color: var(--text-muted);
    text-transform: uppercase;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--gold);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 1px;
    background-color: var(--gold);
    transition: width 0.3s ease;
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    border-radius: 2px;
    transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    position: relative;
    overflow: hidden;
}

.btn-outline-gold {
    border: 1px solid rgba(212, 175, 55, 0.4);
    color: var(--gold);
    padding: 10px 24px;
    background: transparent;
}

.btn-outline-gold:hover {
    background: rgba(212, 175, 55, 0.05);
    border-color: var(--gold);
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.15);
}

.btn-primary {
    background-color: var(--gold);
    color: var(--bg-dark);
    border: 1px solid var(--gold);
}

.btn-primary:hover {
    background-color: var(--gold-light);
    box-shadow: 0 0 25px rgba(212, 175, 55, 0.3);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-light);
    border: 1px solid rgba(244, 241, 234, 0.2);
}

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

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    overflow: hidden;
    background-image: url('assets/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: -10;
}

.hero-container {
    max-width: 1600px;
    width: 100%;
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: var(--z-normal);
}

/* Left Content */
.hero-content {
    max-width: 600px;
}

.label-wrapper {
    margin-bottom: 24px;
}

.gold-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--gold);
    text-transform: uppercase;
    display: inline-block;
    padding: 6px 16px;
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 50px;
    background: rgba(212, 175, 55, 0.05);
}

.hero-title {
    font-size: clamp(3rem, 5vw, 4.5rem);
    line-height: 1.1;
    margin-bottom: 32px;
    color: var(--text-light);
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 48px;
    max-width: 85%;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

/* Right Visual */
.hero-visual {
    position: relative;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.visual-wrapper {
    position: relative;
    width: 100%;
    max-width: 700px;
    aspect-ratio: 1/1;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Removed Gold Ring & Glow */

/* 2.5D Product Interactive Container */
.product-container {
    position: relative;
    z-index: 10;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    transform-style: preserve-3d;
    perspective: 1000px;
}

.hero-product {
    width: 100%;
    max-width: 580px; /* Adjusted slightly smaller to fit the perspective of the ring */
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 40px 50px rgba(0,0,0,1));
    transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1), filter 0.6s ease;
    transform-origin: bottom center;
    margin-top: 24vh; /* Pushed further down to sit exactly on the ring */
    margin-left: -12%; /* Pulled to the left to center on the background ring */
}

/* Golden rim light effect */
.hero-product::after {
    content: '';
    position: absolute;
    inset: -20px;
    background: radial-gradient(circle at top, rgba(212,175,55,0.4), transparent 60%);
    z-index: -1;
    border-radius: 50%;
    filter: blur(20px);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.product-container:hover .hero-product {
    transform: scale(1.05) translateY(-10px);
    filter: drop-shadow(0 40px 50px rgba(0,0,0,0.9)) brightness(1.1);
}

.product-container:hover .hero-product::after {
    opacity: 1;
}

.product-shadow {
    width: 65%;
    height: 45px;
    background: radial-gradient(ellipse at center, rgba(0,0,0,1) 0%, rgba(0,0,0,0.6) 40%, rgba(0,0,0,0) 70%);
    margin-top: -30px;
    margin-left: -12%; /* Matches product shift */
    border-radius: 50%;
    transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1), width 0.6s ease;
    z-index: 5;
}

.product-container:hover .product-shadow {
    transform: scale(0.85);
    width: 70%;
    opacity: 0.6;
}


/* ==========================================================================
   MOBILE MENU OVERLAY & RESPONSIVE
   ========================================================================== */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    width: 30px;
    z-index: var(--z-modal) + 1;
}

.mobile-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-light);
    transition: 0.3s ease;
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(11, 11, 11, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: var(--z-modal);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.mobile-menu-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.mobile-link {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--text-muted);
    transition: color 0.3s ease;
}

.mobile-link.active, .mobile-link:hover {
    color: var(--gold);
    font-style: italic;
}

.mobile-btn {
    margin-top: 20px;
    width: 100%;
    text-align: center;
}


/* Responsive Adjustments */
@media screen and (max-width: 1200px) {
    .hero-title {
        font-size: 3.5rem;
    }
    .hero-product {
        width: 120%;
    }
}

@media screen and (max-width: 992px) {
    .nav-menu, .header-btn {
        display: none;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .mobile-toggle.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
        background-color: var(--gold);
    }
    
    .mobile-toggle.active span:nth-child(2) {
        transform: translateY(-8px) rotate(-45deg);
        background-color: var(--gold);
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: 40px;
        gap: 60px;
    }
    
    .hero-content {
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-desc {
        max-width: 100%;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-visual {
        order: -1; /* Move image above text on mobile */
        height: 400px;
    }
    
    .hero-title {
        font-size: 3rem;
    }
}

@media screen and (max-width: 576px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
    }
    
    .hero-visual {
        height: 300px;
    }
}