/* ==========================================================================
   ARCHIVO: styles.css
   DESCRIPCIÓN: Sistema de estilos estricto - Nero & Bean
   ========================================================================== */

/* ==========================================================================
   1. VARIABLES DE COLOR Y SISTEMA
   ========================================================================== */
:root {
    /* Paleta Estricta (Cero blanco puro #FFFFFF) */
    --color-bg-moss: #2F3A34;      /* Verde musgo oscuro profundo */
    --color-bg-cream: #F3EFE7;     /* Crema suave alterno */
    --color-bg-card: #FAF7F2;      /* Superficie clara para cards */
    
    /* Acentos y Luz Cinemática */
    --color-amber-glow: #D49A7A;   /* Luz cálida ámbar */
    --color-text-light: #F3EFE7;   
    --color-text-dark: #2F3A34;    
    
    /* Fuentes y Espaciado */
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Inter', sans-serif;
    --space-section: clamp(5rem, 10vw, 8rem);
    
    /* Transiciones fluidas */
    --trans-fast: 0.3s ease;
    --trans-smooth: 0.6s cubic-bezier(0.25, 1, 0.5, 1);
    --trans-expand: 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Sombras suaves sin bordes */
    --shadow-soft: 0 20px 40px rgba(47, 58, 52, 0.08);
    --shadow-dark: 0 30px 60px rgba(25, 32, 28, 0.5);
}

/* ==========================================================================
   2. RESET BASE
   ========================================================================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    border: none;
    outline: none;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    background-color: var(--color-bg-moss);
}

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

h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 400;
    line-height: 1.2;
}

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

ul { list-style: none; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

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

.section-alt {
    background-color: var(--color-bg-cream);
    color: var(--color-text-dark);
}

.section-dark {
    background-color: var(--color-bg-moss);
    color: var(--color-text-light);
}

/* ==========================================================================
   3. BOTONES Y HOVER CINEMÁTICO (GLOW)
   ========================================================================== */
.btn {
    display: inline-block;
    padding: 1.2rem 2.8rem;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    cursor: pointer;
    transition: var(--trans-smooth);
    border-radius: 2px;
}

.btn-primary {
    background-color: var(--color-amber-glow);
    color: var(--color-bg-moss);
}

.btn-secondary {
    background-color: var(--color-bg-moss);
    color: var(--color-text-light);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-text-light);
    box-shadow: inset 0 0 0 1px rgba(243, 239, 231, 0.3);
}

/* Efecto Glow Cálido */
.glow-hover:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 25px rgba(212, 154, 122, 0.4);
    background-color: var(--color-amber-glow);
    color: var(--color-bg-moss);
}

.section-alt .btn-primary.glow-hover:hover {
    box-shadow: 0 10px 30px rgba(47, 58, 52, 0.2);
    background-color: var(--color-bg-moss);
    color: var(--color-text-light);
}

/* ==========================================================================
   4. NAVBAR
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0; left: 0; width: 100%;
    z-index: 100;
    padding: 2rem 0;
    transition: var(--trans-smooth);
}

.navbar.scrolled {
    background-color: rgba(47, 58, 52, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    box-shadow: var(--shadow-dark);
}

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

.logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    letter-spacing: 0.05em;
}

.nav-links {
    display: none;
    gap: 3rem;
}

.nav-links a {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    opacity: 0.7;
    transition: var(--trans-fast);
}

.nav-links a:hover {
    opacity: 1;
    color: var(--color-amber-glow);
}

.lang-toggle {
    display: flex;
    gap: 0.5rem;
}

.lang-btn {
    background: none;
    color: var(--color-text-light);
    font-size: 0.8rem;
    opacity: 0.4;
    cursor: pointer;
    transition: var(--trans-fast);
}

.lang-btn.active {
    opacity: 1;
    color: var(--color-amber-glow);
}

/* Transición suave para el texto traducido */
.lang-fade {
    opacity: 0;
    transform: translateY(5px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

/* ==========================================================================
   5. HERO (Zoom micro animado)
   ========================================================================== */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

@keyframes subtleZoom {
    0% { transform: scale(1); }
    100% { transform: scale(1.08); }
}

.hero-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: url('https://images.unsplash.com/photo-1509042239860-f550ce710b93?auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    z-index: 1;
    animation: subtleZoom 25s alternate infinite ease-in-out;
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: 2;
    background: linear-gradient(to bottom, rgba(47, 58, 52, 0.65), var(--color-bg-moss)),
            radial-gradient(circle at 50% 35%, rgba(212, 154, 122, 0.25) 0%, transparent 60%);
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    line-height: 1.1;
    margin-bottom: 2rem;
}

.hero-title-light {
    font-weight: 300;
}

.hero-title-strong {
    font-weight: 600;
    font-style: italic;
    font-size: 1.1em;
}

.hero-description {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: rgba(243, 239, 231, 0.8);
    margin-bottom: 3rem;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

/* ==========================================================================
   6. SECCIONES: EXPERIENCE & SPACES
   ========================================================================== */
.experience-block {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
    margin-bottom: 6rem;
}

.experience-block:last-child { margin-bottom: 0; }

.experience-image {
    width: 100%;
    height: clamp(300px, 40vw, 500px);
    border-radius: 2px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

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

.experience-text h2 {
    font-weight: 500;
    letter-spacing: 0.6px;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: rgba(255, 255, 255, 0.92); /* Blanco suave, no invasivo */
}
.experience-text p {
    font-size: 1.05rem;
    line-height: 1.9;
    font-weight: 300;
    max-width: 620px;
    color: rgba(255, 255, 255, 0.72); /* Gris cálido elegante */
}

.experience-text p br {
    display: block;
    margin-bottom: 14px;
    content: "";
}

.section-header { text-align: center; margin-bottom: 5rem; }
.section-header h2 { font-size: clamp(2.5rem, 5vw, 4rem); margin-bottom: 1rem; }
.section-header p { color: var(--color-amber-glow); font-style: italic; font-size: 1.2rem; }

.cards-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

.concept-card {
    background-color: var(--color-bg-card);
    color: var(--color-text-dark);
    box-shadow: var(--shadow-soft); /* Cambiar */
    border-radius: 2px;
    overflow: hidden;
    transition: var(--trans-smooth);
}
.concept-card:hover { transform: translateY(-10px); }

.card-image { height: 350px; overflow: hidden; }
.card-image img { width: 100%; height: 100%; object-fit: cover; }
.card-content { padding: 3rem; text-align: center; }
.card-content h3 { font-size: 2rem; margin-bottom: 2rem; color: var(--color-bg-moss); }

/* ==========================================================================
   7. SECCIONES EXPANDIBLES (ATELIER / RITUAL) - Animación Grid
   ========================================================================== */
.expandable-wrapper {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows var(--trans-expand);
}

.expandable-wrapper.is-expanded {
    grid-template-rows: 1fr;
}

.expandable-content {
    overflow: hidden;
    opacity: 0;
    transition: opacity 0.4s ease-in-out;
}

.expandable-wrapper.is-expanded .expandable-content {
    opacity: 1;
    transition-delay: 0.4s; /* Fade in después de que empieza a expandirse */
}

.expanded-inner {
    padding: 6rem 1.5rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    align-items: center;
}

.expanded-text h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1.5rem;
}

.expanded-text p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    opacity: 0.8;
}

/* Listas visuales */
.benefits-list, .sensory-list {
    margin-bottom: 3rem;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.benefits-list li, .sensory-list li {
    display: flex;
    align-items: center;
    font-size: 1.1rem;
    gap: 1rem;
}

.sensory-list li::before {
    content: '';
    width: 20px; height: 1px;
    background-color: var(--color-amber-glow);
}

/* Galerías y Cards internas */
.expanded-gallery {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.expanded-gallery img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 2px;
    box-shadow: var(--shadow-soft);
}

.signature-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.sig-card {
    background-color: var(--color-bg-card);
    color: var(--color-text-dark);
    padding: 2.5rem;
    border-radius: 2px;
    box-shadow: var(--shadow-dark);
}

.sig-card h4 {
    font-size: 1.5rem;
    color: var(--color-bg-moss);
    margin-bottom: 1rem;
}

/* ==========================================================================
   8. FOOTER
   ========================================================================== */
.footer {
    background-color: #262F2A; /* Ligeramente más oscuro que el musgo */
    padding: 4rem 0;
    color: rgba(243, 239, 231, 0.5);
    font-size: 0.9rem;
}

.footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    text-align: center;
}

.footer-brand {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--color-amber-glow);
    letter-spacing: 0.1em;
}

.vex-link {
    color: var(--color-text-light);
    opacity: 0.8;
    transition: var(--trans-fast);
}

.vex-link:hover {
    color: var(--color-amber-glow);
    opacity: 1;
}

/* ==========================================================================
   9. ANIMACIONES ON SCROLL
   ========================================================================== */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

.fade-up {
    opacity: 0;
    transform: translateY(20px);
    animation: initFadeUp 1s forwards 0.5s;
}

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

/* ==========================================================================
   10. MEDIA QUERIES
   ========================================================================== */
@media (min-width: 768px) {
    .nav-links { display: flex; }
    .cards-grid { grid-template-columns: 1fr 1fr; }
    .expanded-inner { grid-template-columns: 1fr 1fr; }
    .footer-container { flex-direction: row; justify-content: space-between; text-align: left; }
    
    .expanded-gallery { grid-template-columns: 1fr 1fr; }
    .expanded-gallery img:first-child { grid-column: span 2; height: 350px; }
}

@media (min-width: 992px) {
    .experience-block { grid-template-columns: 1fr 1fr; }
    .experience-block.reverse .experience-image { order: 2; }
    .experience-block.reverse .experience-text { order: 1; padding-right: 4rem; }
    .experience-block:not(.reverse) .experience-text { padding-left: 4rem; }
}