/* ==========================================================================
   1. VARIABLES Y CONFIGURACIÓN GLOBAL
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;600;700&display=swap');

:root {
    --bg-color: #fcfcfc;          /* Off-white editorial */
    --text-primary: #111111;      /* Negro sobrio */
    --text-secondary: #666666;    /* Gris técnico */
    --border-color: #e5e5e5;      /* Líneas delgadas de separación */
    --accent-hover: #000000;
    
    --font-main: 'Inter', sans-serif;
    --font-tech: 'Space Grotesk', monospace; /* Para etiquetas y detalles técnicos */
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.contenedor {
    max-width: 1200px;
    margin: 0 auto;
    padding: 120px 5% 60px 5%; /* Espacio superior amplio para el nav fijo */
}

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

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

/* ==========================================================================
   2. BARRA DE NAVEGACIÓN
   ========================================================================== */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    background: rgba(252, 252, 252, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
}

.nav-logo {
    font-size: 1.1rem;
    letter-spacing: -0.5px;
    font-weight: 300;
}

.nav-logo strong {
    font-weight: 700;
}

.nav-links {
    display: flex;
    gap: 30px;
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-links a {
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--text-primary);
}

/* ==========================================================================
   3. ENCABEZADOS GENERALES
   ========================================================================== */
.section-header {
    margin-bottom: 50px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
}

.section-label {
    font-family: var(--font-tech);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 10px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 300;
    letter-spacing: -1px;
}

/* ==========================================================================
   4. HOME PAGE & PORTFOLIO GRID
   ========================================================================== */
.home-hero {
    padding: 40px 0 60px 0;
}

.hero-tag {
    font-family: var(--font-tech);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 20px;
}

.hero-title {
    font-size: clamp(2.2rem, 4.5vw, 3.8rem);
    font-weight: 300;
    line-height: 1.15;
    letter-spacing: -1.5px;
    max-width: 950px;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    font-weight: 300;
    max-width: 680px;
    line-height: 1.7;
}

/* Grilla Principal de Proyectos */
.portfolio-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 50px 30px;
    margin-bottom: 90px;
}

@media (min-width: 768px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .project-card.card-large {
        grid-column: span 2;
    }
}

.project-card a {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
}

.card-image-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background-color: #f2f2f2;
    margin-bottom: 16px;
    border: 1px solid var(--border-color);
}

.project-card.card-large .card-image-wrapper {
    aspect-ratio: 16 / 9;
}

.card-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), filter 0.4s ease;
}

.project-card:hover .card-image-wrapper img {
    transform: scale(1.02);
    filter: grayscale(0%);
}

.card-meta {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.card-number {
    font-family: var(--font-tech);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: -0.3px;
    color: var(--text-primary);
}

.card-subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 300;
}

/* Tarjeta Editorial de Frase / Cita */
.editorial-quote-card {
    background: #111111;
    color: #ffffff;
    padding: 50px 40px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 320px;
    border: 1px solid #111111;
}

.editorial-quote-card blockquote {
    font-family: var(--font-main);
    font-size: clamp(1.2rem, 2.5vw, 1.6rem);
    font-weight: 300;
    line-height: 1.4;
    letter-spacing: -0.5px;
}

.editorial-quote-card cite {
    font-family: var(--font-tech);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #888888;
    font-style: normal;
    margin-top: 30px;
}

/* Footer del Home */
.home-footer {
    border-top: 1px solid var(--border-color);
    padding: 80px 0;
    margin-top: 100px;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

@media (min-width: 768px) {
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.footer-actions {
    display: flex;
    gap: 16px;
}

.btn-primary {
    background: #111;
    color: #fff;
    padding: 12px 24px;
    font-size: 0.85rem;
    font-family: var(--font-tech);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-secondary {
    border: 1px solid #111;
    color: #111;
    padding: 12px 24px;
    font-size: 0.85rem;
    font-family: var(--font-tech);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ==========================================================================
   5. WORK PAGE (EDITORIAL GRID COMPACTA)
   ========================================================================== */
.editorial-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px 40px;
    align-items: start;
}

@media (min-width: 900px) {
    .editorial-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .project-card.feat-wide {
        grid-column: span 2;
    }

    .project-card.feat-tall .card-image-wrapper {
        height: 520px;
    }
}

/* ==========================================================================
   6. ABOUT / CV PAGE
   ========================================================================== */
#about-page .cv-header {
    margin-bottom: 70px;
}

#about-page .cv-header h1 {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 300;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

#about-page .cv-intro {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 880px;
    font-weight: 300;
    line-height: 1.8;
}

.cv-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 70px;
}

@media (min-width: 850px) {
    .cv-grid {
        grid-template-columns: 280px 1fr; 
        gap: 90px;
    }
}

.cv-sidebar {
    display: flex;
    flex-direction: column;
    gap: 55px;
}

.skills-block h2 {
    font-family: var(--font-tech);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
    margin-bottom: 24px;
}

.skills-block ul {
    list-style: none;
}

.skills-block li {
    font-size: 0.92rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.tech-list li span {
    font-family: var(--font-tech);
    font-size: 0.7rem;
    background: #f0f0f0;
    padding: 2px 8px;
    border-radius: 2px;
    color: #333;
}

.section-subtitle {
    font-family: var(--font-tech);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

.edu-subtitle {
    margin-top: 70px;
}

.experience-item {
    margin-bottom: 50px;
    padding-bottom: 35px;
    border-bottom: 1px dashed var(--border-color);
}

.experience-item:last-of-type {
    border-bottom: none;
    padding-bottom: 0;
}

.exp-header {
    display: flex;
    flex-direction: column;
    margin-bottom: 12px;
}

@media (min-width: 600px) {
    .exp-header {
        flex-direction: row;
        justify-content: space-between;
        align-items: baseline;
    }
}

.exp-header h3 {
    font-size: 1.3rem;
    font-weight: 600;
    letter-spacing: -0.3px;
}

.exp-date {
    font-family: var(--font-tech);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.experience-item p {
    font-size: 0.95rem;
    color: #444;
    font-weight: 300;
    line-height: 1.7;
}

/* Educación */
.education-item {
    margin-bottom: 45px;
    padding-bottom: 25px;
    border-bottom: 1px dashed var(--border-color);
}

.education-item:last-of-type {
    border-bottom: none;
    margin-bottom: 60px;
}

.education-item h3 {
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: -0.3px;
    margin-bottom: 8px;
}

.edu-institution {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 300;
    display: flex;
    gap: 12px;
    align-items: center;
}

.edu-institution span {
    font-family: var(--font-tech);
    font-size: 0.75rem;
    background: #f4f4f4;
    padding: 3px 10px;
    border-radius: 2px;
    color: #555;
}

/* Botones CV */
.cv-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 50px;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
}

.btn-cv {
    font-family: var(--font-tech);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    padding: 16px 32px;
    border: 1px solid #111;
    background: #111;
    color: #fff;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-cv:hover {
    background: #333;
    transform: translateY(-2px);
}

.btn-cv.btn-outline {
    background: transparent;
    color: #111;
}

.btn-cv.btn-outline:hover {
    background: #111;
    color: #fff;
}

/* ==========================================================================
   7. PÁGINA INDIVIDUAL DE PROYECTO (PROJECT SINGLE)
   ========================================================================== */

.project-meta-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.project-year {
    font-family: var(--font-tech);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.project-title {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 300;
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin-bottom: 45px;
}

/* Ficha de Metadatos (Spec Grid) */
.project-spec-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    padding: 30px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 60px;
}

@media (min-width: 768px) {
    .project-spec-grid {
        grid-template-columns: repeat(4, 1fr); /* 4 columnas en desktop */
    }
}

.spec-label {
    font-family: var(--font-tech);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 6px;
}

.spec-item p {
    font-size: 0.9rem;
    font-weight: 500;
}

/* Hero Media del Proyecto */
.project-hero-media {
    margin-bottom: 70px;
}

.project-hero-media img {
    width: 100%;
    max-height: 75vh;
    object-fit: cover;
    background: #f0f0f0;
    border: 1px solid var(--border-color);
}

.media-caption {
    font-family: var(--font-tech);
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 12px;
}

/* Narrativa y Texto del Proyecto */
.project-narrative {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-bottom: 90px;
}

@media (min-width: 768px) {
    .project-narrative {
        grid-template-columns: 1fr 1fr; /* Texto en 2 columnas */
        gap: 60px;
    }
}

.narrative-col h2 {
    font-family: var(--font-tech);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 16px;
}

.narrative-col p {
    font-size: 1.05rem;
    font-weight: 300;
    line-height: 1.8;
    color: #333;
}

/* Galería de Fotos / Proceso */
.project-gallery {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-bottom: 100px;
}

@media (min-width: 768px) {
    .project-gallery {
        grid-template-columns: 1fr 1fr;
    }

    .gallery-item.item-wide {
        grid-column: span 2; /* Imagen panorámica que abarca 2 columnas */
    }
}

.gallery-item img {
    width: 100%;
    height: auto;
    background: #f0f0f0;
    border: 1px solid var(--border-color);
}

.gallery-item figcaption {
    font-family: var(--font-tech);
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 10px;
}

/* Navegador Inferior entre Proyectos */
.project-footer-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
    margin-top: 80px;
}

.nav-back {
    font-family: var(--font-tech);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-next {
    text-align: right;
}

.next-label {
    font-family: var(--font-tech);
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: block;
}

.next-title {
    font-size: 1.1rem;
    font-weight: 600;
}

/* ==========================================================================
   8. RESPONSIVE / MÓVILES
   ========================================================================== */
@media (max-width: 768px) {
    .contenedor {
        padding-top: 100px;
    }
    
    .main-nav {
        flex-direction: column;
        gap: 12px;
        padding: 15px 5%;
    }
    
    .nav-links {
        gap: 15px;
        font-size: 0.75rem;
    }
}