:root {
    --marfil: #FDFBF7;
    --beige: #F5F0E6;
    --champagne: #E8DCC4;
    --cafe-oscuro: #2C1E16;
    --dorado: #C5A059;
    --font-titulos: 'Playfair Display', serif;
    --font-textos: 'Montserrat', sans-serif;
}

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

body {
    font-family: var(--font-textos);
    background-color: var(--marfil);
    color: var(--cafe-oscuro);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

h1, h2, h3 {
    font-family: var(--font-titulos);
    font-weight: 400;
}

a {
    text-decoration: none;
    color: var(--cafe-oscuro);
    transition: color 0.3s ease;
}

/* --- NAVEGACIÓN Y HEADER --- */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(253, 251, 247, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 20px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--beige);
}

.logo {
    font-family: var(--font-titulos);
    font-size: 1.5rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    z-index: 1001;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

nav a {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

nav a:hover {
    color: var(--dorado);
}

/* --- MENÚ HAMBURGUESA --- */
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 6px;
    z-index: 1001;
}

.bar {
    width: 25px;
    height: 2px;
    background-color: var(--cafe-oscuro);
    transition: all 0.3s ease;
}

.btn-desktop {
    display: inline-block;
}

/* --- BOTONES --- */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border: 1px solid var(--cafe-oscuro);
    background-color: transparent;
    color: var(--cafe-oscuro);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn:hover {
    background-color: var(--cafe-oscuro);
    color: var(--marfil);
}

.btn-gold {
    background-color: var(--dorado);
    border-color: var(--dorado);
    color: var(--marfil);
}

.btn-gold:hover {
    background-color: transparent;
    color: var(--dorado);
}

/* --- SECCIÓN HERO (PORTADA) --- */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 5%;
    background: linear-gradient(rgba(253, 251, 247, 0.3), rgba(253, 251, 247, 0.8)), url('img/hero-bg.jpg') center/cover;
    margin-bottom: 80px;
}

.hero-content {
    max-width: 800px;
    margin-top: 60px;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero p {
    font-size: 1.1rem;
    margin-bottom: 40px;
    color: #4A3A31;
}

.hero-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
}

/* --- SECCIONES GENERALES --- */
.seccion {
    padding: 80px 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.titulo-seccion {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    position: relative;
}

.titulo-seccion::after {
    content: '';
    display: block;
    width: 60px;
    height: 1px;
    background-color: var(--dorado);
    margin: 20px auto 0;
}

/* --- TARJETAS DE SERVICIOS --- */
.grid-servicios {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.card-servicio {
    background-color: var(--marfil);
    border: 1px solid var(--beige);
    padding: 40px 30px;
    text-align: center;
    transition: transform 0.4s ease;
}

.card-servicio:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.03);
}

.card-servicio h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.card-servicio p {
    font-size: 0.95rem;
    color: #665;
    margin-bottom: 25px;
}

/* --- SOBRE MÍ (INICIO) --- */
.sobre-mi {
    background-color: var(--beige);
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 60px;
    padding: 0;
}

.sobre-mi-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 500px;
}

.sobre-mi-texto {
    padding: 80px 10% 80px 0;
}

.sobre-mi-texto h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

/* --- GALERÍA PREVIEW --- */
.galeria-preview {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-top: 40px;
}

.galeria-img {
    width: 100%;
    aspect-ratio: 4/5;
    object-fit: cover;
    filter: grayscale(20%);
    transition: filter 0.5s ease;
}

.galeria-img:hover {
    filter: grayscale(0%);
}

/* =========================================
   ESTILOS PARA PÁGINAS INTERNAS
   ========================================= */

.page-header {
    padding: 150px 5% 80px;
    text-align: center;
    background-color: var(--beige);
    border-bottom: 1px solid var(--champagne);
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 15px;
}

.page-header p {
    color: #665;
    max-width: 600px;
    margin: 0 auto;
}

.servicio-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 100px;
}

.servicio-row:nth-child(even) {
    direction: rtl;
}

.servicio-row:nth-child(even) > * {
    direction: ltr;
}

.servicio-img {
    width: 100%;
    aspect-ratio: 4/5;
    object-fit: cover;
}

.servicio-info h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--cafe-oscuro);
}

.portfolio-filtros {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    background: none;
    border: none;
    font-family: var(--font-textos);
    text-transform: uppercase;
    font-size: 0.85rem;
    cursor: pointer;
    padding: 8px 15px;
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

.filter-btn:hover, .filter-btn.active {
    border-bottom: 1px solid var(--dorado);
    color: var(--dorado);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.portfolio-item img {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.portfolio-item {
    overflow: hidden;
    cursor: pointer;
}

.portfolio-item:hover img {
    transform: scale(1.05);
}

/* --- FOOTER Y WHATSAPP FLOTANTE --- */
footer {
    background-color: var(--cafe-oscuro);
    color: var(--marfil);
    padding: 60px 5%;
    text-align: center;
}

footer h2 {
    margin-bottom: 20px;
}

.footer-info {
    font-family: var(--font-textos);
    font-weight: 300;
    margin-bottom: 40px;
}

.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
    z-index: 1000;
    transition: transform 0.3s ease;
}

.whatsapp-float:hover {
    transform: scale(1.1);
}

/* =========================================
   RESPONSIVE DESIGN (MÓVILES)
   ========================================= */
@media (max-width: 768px) {
    
    /* Mostrar botón de menú hamburguesa */
    .menu-toggle {
        display: flex;
    }
    
    /* Ocultar botón "Agendar Cita" del header en móvil */
    .btn-desktop {
        display: none;
    }

    /* Ocultar el menú por defecto y prepararlo para desplegarse */
    nav {
        display: none;
        position: absolute;
        top: 100%; /* Justo debajo del header */
        left: 0;
        width: 100%;
        background-color: rgba(253, 251, 247, 0.98);
        border-bottom: 1px solid var(--beige);
        padding: 20px 0;
        box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    }

    /* Clase activa que se añade mediante JavaScript al tocar el botón */
    nav.active {
        display: flex;
        justify-content: center;
    }

    /* Acomodar los enlaces en lista vertical */
    nav ul {
        flex-direction: column;
        align-items: center;
        gap: 20px;
        width: 100%;
    }

    /* Ajustes generales de la web para móvil */
    .hero h1 {
        font-size: 2.5rem;
    }
    .hero-actions {
        flex-direction: column;
    }
    .sobre-mi {
        grid-template-columns: 1fr;
    }
    .sobre-mi-texto {
        padding: 40px 5%;
    }
    .galeria-preview {
        grid-template-columns: 1fr 1fr;
    }
    .servicio-row {
        grid-template-columns: 1fr;
        gap: 30px;
        margin-bottom: 60px;
    }
    .servicio-row:nth-child(even) {
        direction: ltr;
    }
}