/* ===========================================
   LuxTime — CSS Mejorado
   Tema Claro: Blanco · Dorado · Negro
   Manteniendo CSS base oscuro sin cambios
=========================================== */

/* ======= CSS BASE (oscuro) — SIN CAMBIOS ======= */
:root {
    --primary-color: #B8860B;
    --secondary-color: #0A0A0A;
    --text-light: #E0E0E0;
    --text-dark: #1A1A1A;
    --background-dark: #121212;
    --background-medium: #1C1C1C;
    --background-light: #282828;
    --border-color: #3A3A3A;
    --subtitle-color: #A0A0A0;
    --footer-text-color: #707070;
    --font-family-heading: 'Playfair Display', serif;
    --font-family-body: 'Open Sans', sans-serif;
    --transition-speed: 0.4s ease-in-out;
    --spacing-unit: 1rem;
}

body {
    font-family: var(--font-family-body);
    margin: 0;
    padding: 0;
    background-color: var(--background-dark);
    color: var(--text-light);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: calc(var(--spacing-unit) * 1.5);
}

h1, h2, h3 {
    font-family: var(--font-family-heading);
    color: var(--primary-color);
    margin-top: 0;
}

.section-title {
    font-size: 2.8em;
    margin-bottom: var(--spacing-unit);
    color: var(--primary-color);
    text-shadow: 0px 0px 8px rgba(184, 134, 11, 0.2);
}

.section-subtitle {
    font-size: 1.1em;
    color: var(--subtitle-color);
    margin-bottom: calc(var(--spacing-unit) * 2.5);
}

.main-header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.75);
    backdrop-filter: saturate(180%) blur(10px);
    border-bottom: 1px solid rgba(255, 215, 0, 0.3);
    z-index: 1100;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
    transition: background-color 0.3s ease;
}

.nac-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: var(--font-family-heading);
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 4px;
    text-transform: uppercase;
    text-decoration: none;
    transition: color 0.3s ease;
}

.logo:hover,
.logo:focus {
    color: #FFD700;
    outline: none;
}

.navegacion ul {
    list-style: none;
    display: flex;
    gap: 2.5rem;
    margin: 0;
    padding: 0;
}

.navegacion a {
    color: var(--text-light);
    font-weight: 600;
    font-size: 1.1rem;
    text-decoration: none;
    padding: 0.5rem 0;
    position: relative;
    transition: color 0.3s ease;
}

.navegacion a::after {
    content: '';
    position: absolute;
    width: 0%;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.navegacion a:hover,
.navegacion a:focus {
    color: #FFD700;
    outline: none;
}

.navegacion a:hover::after,
.navegacion a:focus::after {
    width: 100%;
}

footer {
    background-color: var(--secondary-color);
    color: var(--subtitle-color);
    padding: calc(var(--spacing-unit) * 3) 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    align-items: flex-start;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.footer-section {
    flex: 1;
    min-width: 220px;
    margin: var(--spacing-unit);
    text-align: left;
}

.footer-logo {
    font-size: 1.9em;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.8rem;
    letter-spacing: 2px;
}

.footer-text {
    font-size: 0.9em;
    margin-bottom: 0.4rem;
    color: var(--footer-text-color);
}

.footer-link {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-speed);
    font-size: 0.9em;
}

.footer-link:hover {
    color: var(--text-light);
    text-decoration: underline;
}

.detail-section {
    padding: 100px 1.5rem 60px;
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.detail-section img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin-bottom: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.detail-section h1 {
    font-size: 3.5em;
    margin-bottom: 1rem;
}

.detail-section p {
    font-size: 1.1em;
    color: var(--subtitle-color);
    margin-bottom: 1.5rem;
    max-width: 700px;
}

.detail-price {
    font-size: 1.8em;
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 1rem;
}

.detail-status {
    font-size: 1.2em;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.back-button {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--secondary-color);
    padding: 0.8rem 2rem;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 700;
    transition: background-color var(--transition-speed), transform var(--transition-speed);
}

.back-button:hover {
    background-color: #FFD700;
    transform: translateY(-3px);
}

@media (max-width: 768px) {
    .detail-section h1 {
        font-size: 2.8em;
    }
    .detail-section p {
        font-size: 1em;
    }
    .detail-price {
        font-size: 1.5em;
    }
}

/* =========================================================
   OVERRIDES Y MEJORAS — TEMA CLARO (BLANCO COMO PRINCIPAL)
   ========================================================= */

/* Variables adicionales para el tema claro */
:root {
    --border-gold: 1.6px solid rgba(184, 134, 11, 0.45);
    --shadow-card: 0 10px 22px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 16px 28px rgba(0, 0, 0, 0.15);
    --related-card-w: clamp(220px, 28vw, 300px); /* Tamaño optimizado para carrusel */
    --related-img-ratio: 4/5; /* Proporción elegante */
}

/* Base del tema claro */
body {
    background: #FFFFFF;
    color: #111111;
    text-rendering: optimizeLegibility;
    font-kerning: normal;
    font-variant-ligatures: common-ligatures;
}

h1, h2, h3 {
    color: #111111;
    letter-spacing: 0.012em;
    text-shadow: 0 0 6px rgba(184, 134, 11, 0.10);
}

.section-title {
    color: var(--primary-color);
    font-size: 2.8em;
    text-align: center;
}

.section-subtitle {
    color: #5A5A5A; /* Gris más oscuro para mejor contraste */
    font-size: 1.2em;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Header claro */
.main-header {
    background: rgba(255, 255, 255, 0.95);
    border-bottom: var(--border-gold);
    box-shadow: var(--shadow-card);
}

.navegacion a {
    color: #111111;
}

.navegacion a:hover,
.navegacion a:focus {
    color: #000000;
}

.navegacion a:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Footer claro */
footer {
    background: #FFFFFF;
    color: #3C3C3C;
    border-top: var(--border-gold);
}

.footer-link {
    color: var(--primary-color);
}

.footer-link:hover {
    color: #000000;
    text-decoration: underline;
}

.footer-text {
    color: #3C3C3C;
}

/* Detalle principal */
.detail-section {
    max-width: 1100px;
    padding: calc(var(--spacing-unit) * 4) calc(var(--spacing-unit) * 1.5);
}

.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr; /* Columnas más equilibradas */
    gap: calc(var(--spacing-unit) * 2);
    align-items: start;
}

.detail-media {
    max-width: min(520px, 90vw);
    margin: 0 auto calc(var(--spacing-unit) * 1.5);
}

.detail-media img {
    width: 100%;
    height: auto;
    border: var(--border-gold);
    border-radius: 14px;
    box-shadow: var(--shadow-card);
    transition: transform 0.5s ease, box-shadow 0.5s ease, border-color 0.3s ease;
}

.detail-media img:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-hover);
    border-color: #FFD700;
}

.detail-section p {
    color: #333333;
    font-size: 1.15em;
    line-height: 1.8;
}

.detail-price {
    background: rgba(184, 134, 11, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 8px;
}

.detail-status {
    color: #2B2B2B;
    font-weight: 600;
}

/* Especificaciones */
.detail-info {
    background: #FFFFFF;
    border: var(--border-gold);
    border-radius: 14px;
    padding: calc(var(--spacing-unit) * 1.5);
    box-shadow: var(--shadow-card);
    color: #111111;
}

.specs-title {
    font-family: var(--font-family-heading);
    font-size: 1.5em;
    color: #111111;
    margin: calc(var(--spacing-unit) * 1.25) 0 calc(var(--spacing-unit) * 0.75);
}

.specs-grid {
    list-style: none;
    margin: 0 0 calc(var(--spacing-unit) * 1.2);
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.8rem;
}

.specs-grid li {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 1rem;
    background: #FAFAFA;
    border: 1px solid rgba(184, 134, 11, 0.25);
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.specs-grid li:hover {
    transform: translateY(-2px);
}

.specs-grid .k {
    color: #5A5A5A;
    font-weight: 600;
}

.specs-grid .v {
    background: #FFFFFF;
    color: #111111;
    border: var(--border-gold);
    border-radius: 999px;
    padding: 0.2rem 0.8rem;
    font-size: 0.95em;
}

/* Opciones de producto */
.product-options {
    margin-top: calc(var(--spacing-unit) * 1.5);
    background: #FFFFFF;
    border: var(--border-gold);
    border-radius: 14px;
    padding: calc(var(--spacing-unit) * 1.25);
    box-shadow: var(--shadow-card);
}

.option-group {
    margin-bottom: calc(var(--spacing-unit) * 1.2);
}

.option-label {
    color: #111111;
    font-weight: 700;
    margin-bottom: 0.6rem;
    letter-spacing: 0.02em;
}

.engraving-input {
    display: flex;
    gap: 0.8rem;
    align-items: center;
    flex-wrap: wrap;
}

.engraving-input input[type="text"] {
    flex: 1 1 240px;
    min-width: 200px;
    padding: 0.8rem 1rem;
    border-radius: 10px;
    border: var(--border-gold);
    background: #F7F7F7;
    color: #111111;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.engraving-input input[type="text"]::placeholder {
    color: #666666;
}

.engraving-input input[type="text"]:focus {
    border-color: #FFD700;
    box-shadow: 0 0 6px rgba(255, 215, 0, 0.2);
}

.swatch-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.swatch-group input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.swatch {
    width: 40px;
    height: 28px;
    border-radius: 999px;
    border: var(--border-gold);
    background: #F7F7F7;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.swatch[data-strap="negra"] { background: #111111; }
.swatch[data-strap="marron"] { background: #4A3A2A; }
.swatch[data-strap="acero"] { background: linear-gradient(135deg, #CFCFCF, #9F9F9F); }
.swatch[data-strap="oro"] { background: linear-gradient(135deg, #F7D675, #B8860B); }

.swatch:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 6px rgba(255, 215, 0, 0.2);
}

.swatch:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.swatch-group input:checked + label.swatch {
    border-color: #FFD700;
    box-shadow: 0 0 6px rgba(255, 215, 0, 0.25), inset 0 0 0 2px rgba(0, 0, 0, 0.3);
}

/* Botones */
.btn-config,
.btn-add,
.back-button {
    background: var(--primary-color);
    color: #0A0A0A;
    border: var(--border-gold);
    padding: 0.9rem 1.5rem;
    border-radius: 999px;
    font-weight: 700;
    font-size: 1.1em;
    text-decoration: none;
    box-shadow: var(--shadow-card);
    transition: background-color var(--transition-speed), color var(--transition-speed), transform var(--transition-speed), box-shadow var(--transition-speed);
}

.btn-config:hover,
.btn-add:hover,
.back-button:hover,
.btn-config:focus,
.btn-add:focus,
.back-button:focus {
    background: #FFD700;
    color: #000000;
    border-color: #FFD700;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-config:focus-visible,
.btn-add:focus-visible,
.back-button:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Carrusel de relacionados */
.related-section {
    margin-top: calc(var(--spacing-unit) * 2.5);
    padding-top: calc(var(--spacing-unit) * 1.5);
    border-top: 1px dashed rgba(0, 0, 0, 0.15);
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
}

.related-title {
    font-family: var(--font-family-heading);
    color: #111111;
    font-size: 1.7em;
    margin: 0 0 calc(var(--spacing-unit) * 1);
    letter-spacing: 0.015em;
}

.related-carousel {
    position: relative;
}

.related-track {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: var(--related-card-w);
    gap: 1rem;
    overflow-x: auto;
    padding-bottom: 0.8rem;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

.related-track::-webkit-scrollbar {
    height: 8px;
}

.related-track::-webkit-scrollbar-thumb {
    background: rgba(184, 134, 11, 0.4);
    border-radius: 999px;
}

.related-track::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
}

.related-card {
    scroll-snap-align: start;
    background: #FFFFFF;
    border: var(--border-gold);
    border-radius: 14px;
    box-shadow: var(--shadow-card);
    padding: 0.8rem;
    color: #111111;
    display: grid;
    grid-template-rows: auto auto auto;
    gap: 0.6rem;
    transition: transform 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
}

.related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: #FFD700;
}

.related-media {
    aspect-ratio: var(--related-img-ratio);
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid rgba(184, 134, 11, 0.25);
    background: #F7F7F7;
}

.related-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.related-card:hover .related-media img {
    transform: scale(1.04);
}

.related-name {
    font-size: 1em;
    font-weight: 700;
    letter-spacing: 0.01em;
}

.related-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95em;
    transition: color 0.3s ease;
}

.related-card:hover .related-link {
    color: #FFD700;
    text-decoration: underline;
}

.related-link:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Movimiento reducido */
@media (prefers-reduced-motion: reduce) {
    .detail-media img,
    .related-media img,
    .related-card,
    .specs-grid li,
    .btn-config,
    .btn-add,
    .back-button,
    .swatch {
        transition: none;
    }
}

/* Responsividad */
@media (min-width: 992px) {
    .detail-grid {
        grid-template-columns: 1fr 1fr;
        gap: calc(var(--spacing-unit) * 2);
    }
}

@media (max-width: 992px) {
    .detail-grid {
        grid-template-columns: 1fr;
        gap: calc(var(--spacing-unit) * 1.5);
    }
}

@media (max-width: 768px) {
    .detail-section {
        padding: calc(var(--spacing-unit) * 3) 1rem;
    }
    .section-title {
        font-size: 2.4em;
    }
    .section-subtitle {
        font-size: 1.1em;
    }
    .specs-grid {
        grid-template-columns: 1fr;
    }
    :root {
        --related-card-w: clamp(200px, 50vw, 260px);
    }
}

@media (max-width: 480px) {
    .detail-section h1 {
        font-size: 2.5em;
    }
    .detail-media {
        max-width: 90vw;
    }
    :root {
        --related-card-w: clamp(180px, 80vw, 240px);
    }
    .related-name {
        font-size: 0.95em;
    }
    .related-link {
        font-size: 0.9em;
    }
    .btn-config,
    .btn-add,
    .back-button {
        padding: 0.8rem 1.2rem;
        font-size: 1em;
    }
}