/* =============================================
   MF JOYERÍAS — ESTILOS GLOBALES
   Modifica aquí para afectar TODO el sitio
   ============================================= */

/* --- VARIABLES DE MARCA --- */
:root {
    --negro: #0a0a0a;
    --negro-suave: #1a1a1a;
    --dorado: #c5a059;
    --dorado-brillante: #e2c275;
    --blanco: #f5f5f5;
    --gris: #888;
    --transition-premium: all 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* --- RESET & BASE --- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    background-color: var(--negro);
    color: var(--blanco);
    font-family: 'Montserrat', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}
h1, h2, h3 { font-family: 'Cormorant Garamond', serif; letter-spacing: 2px; }

/* --- HEADER & NAV --- */
header {
    padding: 1.5rem 2rem;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background: rgba(10,10,10,0.92);
    border-bottom: 1px solid rgba(197,160,89,0.2);
    backdrop-filter: blur(8px);
}
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.4rem;
    color: var(--dorado);
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
}
.logo-img {
    height: 42px;
    width: 42px;
    object-fit: cover;
    border-radius: 50%;
    border: 1px solid rgba(197,160,89,0.4);
}
nav ul { display: flex; list-style: none; }
nav ul li { margin-left: 2rem; }
nav ul li a {
    text-decoration: none;
    color: var(--blanco);
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: 0.3s;
    opacity: 0.8;
}
nav ul li a:hover,
nav ul li a.active { color: var(--dorado); opacity: 1; }

/* --- HAMBURGER --- */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 5px;
}
.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--dorado);
    transition: 0.3s;
}

/* --- COMPONENTES REUTILIZABLES --- */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--dorado);
    margin-bottom: 50px;
    text-transform: uppercase;
}
.subtitle {
    color: var(--dorado);
    font-size: 0.75rem;
    letter-spacing: 5px;
    text-transform: uppercase;
    display: block;
    margin-bottom: 15px;
}
.btn-gold {
    display: inline-block;
    padding: 1rem 2.5rem;
    border: 1px solid var(--dorado);
    color: var(--dorado);
    text-decoration: none;
    transition: 0.5s;
    font-size: 0.8rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}
.btn-gold:hover { background: var(--dorado); color: var(--negro); }

.back-btn {
    display: inline-block;
    margin: 0 20px 30px;
    padding: 10px 25px;
    border: 1px solid rgba(197,160,89,0.4);
    color: var(--dorado);
    text-decoration: none;
    font-size: 0.7rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: 0.3s;
}
.back-btn:hover { background: var(--dorado); color: var(--negro); }

/* --- GRID DE TARJETAS --- */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
.card {
    background: var(--negro-suave);
    padding: 20px;
    border: 1px solid #333;
    transition: 0.4s;
    text-align: center;
    text-decoration: none;
    display: block;
    color: inherit;
}
.card:hover { border-color: var(--dorado); transform: translateY(-10px); }
.card-img { height: 280px; background-size: cover; background-position: center; margin-bottom: 20px; }
.card h3 { margin-bottom: 8px; color: var(--dorado); font-size: 1.1rem; }
.card p { color: var(--gris); font-size: 0.85rem; }

/* --- GALERÍA LUXURY --- */
.gallery-masterpiece { padding: 130px 5% 80px; background: #000; }
.gallery-header { text-align: center; margin-bottom: 60px; padding-top: 20px; }
.luxury-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 20px;
    max-width: 1600px;
    margin: 0 auto;
}
.gallery-item {
    position: relative;
    background-color: #111;
    background-size: cover;
    background-position: center;
    height: 450px;
    overflow: hidden;
    transition: var(--transition-premium);
    border: 1px solid rgba(255,255,255,0.05);
    cursor: pointer;
}
.gallery-item::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.35);
    transition: 0.5s;
}
.gallery-item:hover { border: 1px solid var(--dorado); transform: translateY(-4px); box-shadow: 0 20px 40px rgba(0,0,0,0.6); }
.gallery-item:hover::before { background: rgba(0,0,0,0.1); }
.gallery-overlay { position: absolute; bottom: -20px; left: 30px; opacity: 0; transition: 0.5s all ease; z-index: 10; }
.gallery-item:hover .gallery-overlay { bottom: 30px; opacity: 1; }
.card-title { font-family: 'Cormorant Garamond', serif; font-size: 1.6rem; letter-spacing: 2px; color: var(--blanco); margin-top: 6px; }
.card-subtitle { font-size: 10px; letter-spacing: 4px; color: var(--dorado); text-transform: uppercase; }

/* Span helpers para la galería */
.span-12 { grid-column: span 12; }
.span-8  { grid-column: span 8; }
.span-7  { grid-column: span 7; }
.span-6  { grid-column: span 6; }
.span-5  { grid-column: span 5; }
.span-4  { grid-column: span 4; }
.span-3  { grid-column: span 3; }
.large     { height: 600px; }
.hero-piece{ height: 500px; }
.small-h   { height: 250px; }

/* --- FOOTER --- */
footer {
    padding: 60px 20px;
    text-align: center;
    border-top: 1px solid rgba(197,160,89,0.3);
    background: #050505;
}
.footer-content h2 { color: var(--dorado); margin-bottom: 15px; font-size: 1.8rem; }
.footer-content > p { color: var(--gris); font-size: 0.9rem; margin-bottom: 10px; }
.contact-links { display: flex; flex-direction: column; gap: 8px; margin: 25px 0; }
.contact-links span { color: var(--blanco); font-size: 0.85rem; }
.copy { font-size: 0.7rem; color: var(--gris); margin-top: 30px; }
.footer-nav { display: flex; justify-content: center; gap: 25px; margin-top: 25px; flex-wrap: wrap; }
.footer-nav a {
    color: var(--gris);
    text-decoration: none;
    font-size: 0.7rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: 0.3s;
}
.footer-nav a:hover { color: var(--dorado); }

/* --- RESPONSIVE --- */
@media (max-width: 900px) {
    .hamburger { display: flex; }
    nav ul {
        display: none;
        flex-direction: column;
        position: fixed;
        top: 70px; left: 0;
        width: 100%;
        background: rgba(10,10,10,0.97);
        padding: 30px 20px;
        gap: 10px;
    }
    nav ul.open { display: flex; }
    nav ul li { margin-left: 0; border-bottom: 1px solid rgba(197,160,89,0.1); padding-bottom: 12px; }
}
@media (max-width: 1024px) {
    .gallery-item { grid-column: span 12 !important; height: 350px !important; }
    .small-h { height: 200px !important; }
}