/* 
   Lumière Luxury Jewelry 
   Identity: Silent Luxury, Premium, Timeless
*/

:root {
    /* Palette */
    --bg-dark: #0B0B0B;
    --bg-panel: #1C1C1C;
    --accent-gold: #C6A15B;
    --accent-gold-hover: #D4B06A;
    --text-champagne: #EDE6D8;
    --text-white: #FFFFFF;
    --text-muted: #888888;

    /* Typography */
    --font-serif: 'Montserrat', sans-serif;
    --font-sans: 'Montserrat', sans-serif;

    /* Spacing */
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    /* Transitions */
    --transition-slow: 0.6s cubic-bezier(0.25, 1, 0.5, 1);
    --transition-fast: 0.3s ease;
}

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

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

h1,
h2,
h3,
h4 {
    font-family: var(--font-serif);
    color: var(--text-white);
    font-weight: 400;
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* Utilities */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.section-padding {
    padding: var(--spacing-xl) 0;
}

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

/* Buttons */
.btn-reservar {
    border: 1px solid var(--accent-gold);
    color: var(--accent-gold);
    padding: 0.8rem 1.5rem;
    font-family: var(--font-sans);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
    transition: var(--transition-fast);
}

.btn-reservar:hover {
    background-color: var(--accent-gold);
    color: var(--bg-dark);
}

.btn-hero {
    display: inline-block;
    background-color: var(--accent-gold);
    color: var(--bg-dark);
    padding: 1rem 2.5rem;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 2px;
    margin-top: var(--spacing-md);
    transition: var(--transition-fast);
    font-weight: 700;
}

.btn-hero:hover {
    background-color: var(--text-white);
    transform: translateY(-2px);
}

.btn-text {
    font-size: 0.9rem;
    text-transform: uppercase;
    border-bottom: 1px solid var(--accent-gold);
    padding-bottom: 2px;
    color: var(--text-white);
}

.btn-text:hover {
    color: var(--accent-gold);
}

.btn-outline {
    display: inline-block;
    border: 1px solid var(--text-white);
    color: var(--text-white);
    padding: 1rem 2.5rem;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 2px;
    margin-top: var(--spacing-md);
}

.btn-outline:hover {
    background-color: var(--text-white);
    color: var(--bg-dark);
}

/* Header */
#main-header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition-slow);
}

#main-header.scrolled {
    background-color: rgba(11, 11, 11, 0.95);
    padding: 1rem 0;
    backdrop-filter: blur(5px);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

#main-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-links a {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-white);
    font-weight: 600;
    /* Adding a bit more weight for readability */
}

.nav-links a:hover {
    color: var(--accent-gold);
}

.mobile-only {
    display: none;
}

#mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

/* Hero Section */
#hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.7));
}

.hero-content h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    letter-spacing: -1px;
}

/* About Section */
.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.reverse {
    direction: rtl;
    /* Quick hack for reverse layout, adjust internal text direction */
}

.reverse>* {
    direction: ltr;
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--accent-gold);
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-champagne);
    max-width: 450px;
}

/* Collections Grid */
.section-header h2 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--accent-gold);
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 0.8rem;
    margin-bottom: var(--spacing-lg);
}

.collections-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.product-card {
    background-color: var(--bg-panel);
    transition: var(--transition-fast);
    padding-bottom: var(--spacing-md);
}

.product-card:hover {
    transform: translateY(-5px);
}

.product-img {
    height: 350px;
    overflow: hidden;
    margin-bottom: var(--spacing-md);
    position: relative;
}

.parallax-wrapper {
    height: 120%;
    /* Taller for movement */
    width: 100%;
    position: absolute;
    top: 0;
    left: 0;
    will-change: transform;
    /* No transition on wrapper to allow instant JS updates */
}

.product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.product-card:hover .product-img img {
    transform: scale(1.05);
}

.product-info {
    text-align: center;
    padding: 0 var(--spacing-sm);
}

.product-info h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.product-info .category {
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.product-info .material {
    font-size: 0.9rem;
    color: var(--accent-gold);
    margin-bottom: 1rem;
}

.product-info .price {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    font-weight: 300;
}

/* Highlights & Gallery */
.dark-panel {
    background-color: var(--bg-panel);
}

.highlight-text h2 {
    font-size: 3rem;
    margin: 1rem 0;
}

.tag {
    color: var(--accent-gold);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.8rem;
    border: 1px solid var(--accent-gold);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
}

.highlight-gallery {
    width: 100%;
    max-width: 500px;
}

.main-image-container {
    width: 100%;
    height: 400px;
    overflow: hidden;
    position: relative;
    cursor: zoom-in;
    margin-bottom: 1rem;
    background-color: #000;
}

.main-image-container img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.1s ease-out;
    /* Smooth zoom movement */
    transform-origin: center center;
}

.gallery-thumbnails {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.thumb {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border: 1px solid transparent;
    cursor: pointer;
    opacity: 0.6;
    transition: all 0.3s;
}

.thumb:hover,
.thumb.active {
    opacity: 1;
    border-color: var(--accent-gold);
}

/* Filters */
.filter-bar {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    padding-bottom: 5px;
    border-bottom: 2px solid transparent;
    transition: all 0.3s;
}

.filter-btn:hover,
.filter-btn.active {
    color: var(--accent-gold);
    border-color: var(--accent-gold);
}

.filter-select {
    background-color: var(--bg-panel);
    color: var(--text-champagne);
    border: 1px solid #333;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    outline: none;
    cursor: pointer;
}

.filter-select:focus {
    border-color: var(--accent-gold);
}

/* Experience / Services */
.services-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    text-align: center;
    margin-top: var(--spacing-lg);
}

.service-item h3 {
    color: var(--accent-gold);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.service-item p {
    color: var(--text-muted);
}

/* Testimonials */
blockquote.testimonial {
    max-width: 800px;
    margin: 0 auto;
}

blockquote p {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-style: italic;
    margin-bottom: 1.5rem;
    color: var(--text-white);
}

blockquote cite {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent-gold);
}

/* Footer */
#contact {
    background-color: #000;
    padding: var(--spacing-lg) 0 2rem;
    border-top: 1px solid #222;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-col h3 {
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.footer-col h4 {
    color: var(--accent-gold);
    margin-bottom: 1rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-col p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.footer-bottom {
    border-top: 1px solid #111;
    padding-top: 2rem;
    color: #444;
    font-size: 0.8rem;
}

/* Whatsapp */
.whatsapp-float {
    position: fixed;
    bottom: 80px;
    right: 30px;
    background-color: #25D366;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    transition: transform 0.3s ease;
    border: 2px solid transparent;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    background-color: var(--accent-gold);
    border-color: #fff;
}

.whatsapp-float svg {
    width: 35px;
    height: 35px;
    fill: #FFFFFF;
}

/* Animations */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

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

.fade-up {
    opacity: 0;
    animation: fadeUp 1s ease-out forwards;
}

.delay-100 {
    transition-delay: 0.1s;
    animation-delay: 0.1s;
}

.delay-200 {
    transition-delay: 0.2s;
    animation-delay: 0.2s;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 900px) {
    .header-container {
        padding: 0 1.5rem;
    }

    .nav-links {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--bg-dark);
        padding: 2rem;
        text-align: center;
        opacity: 0;
        transform: translateY(-20px);
        pointer-events: none;
        transition: all 0.4s ease;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
    }

    .nav-links.active {
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
    }

    .mobile-only {
        display: block;
        margin-top: 1rem;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding-top: 1rem;
    }

    /* Mobile menu needed */
    #mobile-menu-btn {
        display: block;
        color: var(--text-white);
        font-size: 1.5rem;
    }

    #mobile-menu-btn span {
        display: block;
        width: 25px;
        height: 2px;
        background-color: var(--accent-gold);
        margin: 5px 0;
    }

    #hero {
        padding-top: 80px;
        /* Offset for fixed header */
    }

    #main-nav .btn-reservar {
        display: none;
        /* Hide 'Agenda' button in header on mobile to save space */
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .split-layout,
    .reverse {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        text-align: center;
    }

    .reverse {
        direction: ltr;
    }

    .about-text p {
        margin: 0 auto;
    }

    .collections-grid,
    .services-list {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}