/* ============================================
   CSS VARIABLES - TEMAS (luz y oscuro)
   ============================================ */

:root {
    /* COLORES - LIGHT MODE */
    --color-bg: #ffffff;
    --color-bg-secondary: #f5f5f5;
    --color-text: #1a1a1a;
    --color-text-secondary: #666666;
    --color-border: #e0e0e0;
    --color-accent: #1a1a1a;
    
    /* ESPACIADO */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* TIPOGRAFÍA */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 14px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
    --font-size-2xl: 32px;
    --font-size-3xl: 48px;
    
    /* OTRAS */
    --transition: all 0.3s ease;
    --border-radius: 0;
}

/* DARK MODE */
body.dark-mode {
    --color-bg: #1a1a1a;
    --color-bg-secondary: #2a2a2a;
    --color-text: #f0f0f0;
    --color-text-secondary: #b0b0b0;
    --color-border: #333333;
    --color-accent: #f0f0f0;
}

/* ============================================
   RESET Y BASE
   ============================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    transition: var(--transition);
}

a {
    color: var(--color-text);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--color-text-secondary);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    text-transform: lowercase;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: var(--font-size-3xl);
}

h2 {
    font-size: var(--font-size-2xl);
}

h3 {
    font-size: var(--font-size-xl);
}

p {
    margin-bottom: var(--spacing-md);
}

/* ============================================
   NAVBAR
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: var(--font-size-xl);
    font-weight: 600;
    text-transform: lowercase;
    color: var(--color-text);
    transition: var(--transition);
}

.logo:hover {
    opacity: 0.7;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    flex-grow: 1;
    justify-content: center;
}

.nav-links a {
    font-size: var(--font-size-sm);
    text-transform: lowercase;
    color: var(--color-text-secondary);
    transition: var(--transition);
}

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

.darkmode-toggle {
    background: none;
    border: none;
    font-size: var(--font-size-lg);
    cursor: pointer;
    color: var(--color-text);
    padding: var(--spacing-xs);
    transition: var(--transition);
    margin-left: var(--spacing-md);
}

.darkmode-toggle:hover {
    opacity: 0.7;
}

.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 4px;
    margin-left: var(--spacing-md);
}

.hamburger span {
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    transition: var(--transition);
}

/* ============================================
   HERO / PORTADA
   ============================================ */

.hero {
    margin-top: 80px;
    padding: var(--spacing-xl) var(--spacing-md);
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-image {
    width: 100%;
}

.hero-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.hero-text h1 {
    font-size: clamp(2rem, 8vw, 4rem);
    margin-bottom: var(--spacing-md);
    text-transform: lowercase;
}

.tagline {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    text-transform: lowercase;
}

.description {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-transform: lowercase;
}

/* ============================================
   SECCIONES GENÉRICAS
   ============================================ */

section {
    padding: var(--spacing-xl) var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.section-container {
    max-width: 1400px;
    margin: 0 auto;
}

section h2 {
    text-transform: lowercase;
    margin-bottom: var(--spacing-lg);
    font-size: clamp(1.5rem, 5vw, 2.5rem);
}

/* ============================================
   STATEMENT
   ============================================ */

.statement-content {
    max-width: 800px;
}

.statement-content p {
    font-size: var(--font-size-base);
    line-height: 1.8;
    color: var(--color-text);
    text-align: justify;
}

/* ============================================
   WORK / GALERÍAS
   ============================================ */

.galeria-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.galeria-serie {
    margin-bottom: var(--spacing-xl);
}

.galeria-serie h3 {
    font-size: var(--font-size-lg);
    text-transform: lowercase;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.galeria-serie-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    line-height: 1.7;
}

.obras-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.obra-card {
    text-align: center;
}

.obra-image {
    width: 100%;
    margin-bottom: var(--spacing-md);
    overflow: hidden;
}

.obra-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
    cursor: pointer;
}

.obra-image img:hover {
    opacity: 0.8;
}

.obra-info {
    text-align: center;
}

.obra-titulo {
    font-size: var(--font-size-base);
    font-weight: 600;
    text-transform: lowercase;
    margin-bottom: var(--spacing-xs);
}

.obra-meta {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-transform: lowercase;
}

/* ============================================
   TEXT / ESCRITOS
   ============================================ */

.textos-container {
    max-width: 900px;
    margin: 0 auto;
}

.texto-item {
    margin-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--spacing-lg);
}

.texto-item:last-child {
    border-bottom: none;
}

.texto-header {
    cursor: pointer;
    user-select: none;
    padding: var(--spacing-md) 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.texto-header:hover {
    color: var(--color-text-secondary);
}

.texto-title {
    font-size: var(--font-size-lg);
    text-transform: lowercase;
    font-weight: 600;
}

.texto-toggle {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    transition: var(--transition);
}

.texto-item.open .texto-toggle {
    transform: rotate(180deg);
}

.texto-preview {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-top: var(--spacing-sm);
}

.texto-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.texto-item.open .texto-content {
    max-height: 2000px;
}

.texto-content p {
    font-size: var(--font-size-base);
    line-height: 1.8;
    text-align: justify;
    margin-bottom: var(--spacing-md);
}

/* ============================================
   BIO
   ============================================ */

.bio-main {
    max-width: 800px;
    margin-bottom: var(--spacing-xl);
}

.bio-main p {
    font-size: var(--font-size-base);
    line-height: 1.8;
    text-align: justify;
}

.bio-cv {
    margin-top: var(--spacing-xl);
}

.bio-cv h3 {
    font-size: var(--font-size-lg);
    text-transform: lowercase;
    margin-bottom: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.cv-list {
    list-style: none;
}

.cv-list li {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
    padding-left: 0;
    text-transform: lowercase;
}

/* ============================================
   CONTACT
   ============================================ */

.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact-info,
.contact-socials {
    margin-bottom: var(--spacing-lg);
}

.contact-info p,
.contact-socials p {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-sm);
    text-transform: lowercase;
}

.contact-info a,
.contact-socials a {
    color: var(--color-text);
    text-decoration: underline;
    transition: var(--transition);
}

.contact-info a:hover,
.contact-socials a:hover {
    color: var(--color-text-secondary);
}

.socials {
    list-style: none;
    display: flex;
    gap: var(--spacing-md);
}

.socials a {
    text-transform: lowercase;
}

.contact-form {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--color-border);
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    text-transform: lowercase;
    transition: var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-text);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: var(--color-text-secondary);
}

.contact-form button {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-text);
    color: var(--color-bg);
    border: 1px solid var(--color-text);
    cursor: pointer;
    font-size: var(--font-size-base);
    text-transform: lowercase;
    font-family: var(--font-family);
    transition: var(--transition);
}

.contact-form button:hover {
    background-color: var(--color-bg);
    color: var(--color-text);
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    padding: var(--spacing-lg) var(--spacing-md);
    border-top: 1px solid var(--color-border);
    text-transform: lowercase;
}

.footer a {
    text-decoration: underline;
    transition: var(--transition);
}

.footer a:hover {
    color: var(--color-text);
}

/* ============================================
   RESPONSIVE - TABLET (768px)
   ============================================ */

@media (max-width: 768px) {
    .nav-links {
        gap: var(--spacing-sm);
    }

    .nav-links a {
        font-size: 12px;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .hero-text h1 {
        font-size: clamp(1.5rem, 6vw, 2.5rem);
    }

    .galeria-container {
        grid-template-columns: 1fr;
    }

    .obras-grid {
        grid-template-columns: 1fr;
    }

    section {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    section h2 {
        font-size: clamp(1.25rem, 4vw, 2rem);
    }
}

/* ============================================
   RESPONSIVE - MOBILE (390px)
   ============================================ */

@media (max-width: 640px) {
    .navbar {
        padding: 0;
    }

    .nav-container {
        padding: var(--spacing-sm);
    }

    .logo {
        font-size: var(--font-size-lg);
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        flex-direction: column;
        background-color: var(--color-bg);
        border-bottom: 1px solid var(--color-border);
        gap: 0;
        padding: var(--spacing-md);
        z-index: 999;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        padding: var(--spacing-sm) 0;
    }

    .hamburger {
        display: flex;
    }

    .hero {
        margin-top: 70px;
        padding: var(--spacing-lg) var(--spacing-sm);
        min-height: auto;
    }

    .hero-content {
        grid-template-columns: 1fr;
    }

    .hero-text h1 {
        font-size: clamp(1.25rem, 5vw, 2rem);
    }

    .tagline,
    .description {
        font-size: 12px;
    }

    section {
        padding: var(--spacing-lg) var(--spacing-sm);
    }

    section h2 {
        font-size: clamp(1.1rem, 3vw, 1.5rem);
    }

    .statement-content,
    .textos-container,
    .bio-main,
    .contact-content {
        padding: 0;
    }

    .contact-form {
        padding: var(--spacing-md);
    }

    .contact-form input,
    .contact-form textarea {
        padding: 10px;
        font-size: 14px;
    }

    .texto-header {
        padding: var(--spacing-sm) 0;
    }

    .texto-title {
        font-size: var(--font-size-base);
    }

    /* ============================================
   MODAL - LIGHTBOX PARA OBRAS
   ============================================ */

    .modal {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.8);
        display: flex;
        align-items: center;
        justify-content: center;
        z-index: 2000;
        animation: fadeIn 0.3s ease;
        overflow-y: auto;
    }

    @keyframes fadeIn {
        from {
            opacity: 0;
        }
        to {
            opacity: 1;
        }
    }

    .modal-content {
        background-color: var(--color-bg);
        padding: var(--spacing-lg);
        max-width: 900px;
        width: 90%;
        position: relative;
        border-radius: 0;
        animation: slideUp 0.3s ease;
        max-height: 90vh;
        overflow-y: auto;
    }

    @keyframes slideUp {
        from {
            transform: translateY(50px);
            opacity: 0;
        }
        to {
            transform: translateY(0);
            opacity: 1;
        }
    }

    .modal-close {
        position: absolute;
        top: var(--spacing-md);
        right: var(--spacing-md);
        font-size: 32px;
        cursor: pointer;
        color: var(--color-text);
        transition: var(--transition);
        width: 40px;
        height: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
        line-height: 1;
    }

    .modal-close:hover {
        color: var(--color-text-secondary);
    }

    .modal-image {
        margin-bottom: var(--spacing-lg);
        text-align: center;
    }

    .modal-image img {
        width: 100%;
        height: auto;
        display: block;
        max-height: 60vh;
        object-fit: contain;
    }

    .modal-info {
        margin-bottom: var(--spacing-lg);
    }

    .modal-info h3 {
        text-transform: lowercase;
        margin-bottom: var(--spacing-md);
    }

    .modal-info p {
        font-size: var(--font-size-sm);
        color: var(--color-text-secondary);
        margin-bottom: var(--spacing-sm);
        text-transform: lowercase;
    }

    .modal-info strong {
        color: var(--color-text);
        font-weight: 600;
    }

    .modal-nav {
        display: flex;
        gap: var(--spacing-md);
        justify-content: center;
        flex-wrap: wrap;
        margin-top: var(--spacing-lg);
    }

    .modal-nav button {
        padding: var(--spacing-sm) var(--spacing-md);
        background-color: var(--color-text);
        color: var(--color-bg);
        border: 1px solid var(--color-text);
        cursor: pointer;
        font-size: var(--font-size-sm);
        text-transform: lowercase;
        font-family: var(--font-family);
        transition: var(--transition);
    }

    .modal-nav button:hover {
        background-color: var(--color-bg);
        color: var(--color-text);
    }

    .modal-nav button:disabled {
        opacity: 0.5;
        cursor: not-allowed;
    }

    /* Dark mode - modal */
    body.dark-mode .modal {
        background-color: rgba(0, 0, 0, 0.9);
    }

    body.dark-mode .modal-content {
        background-color: var(--color-bg);
    }

    body.dark-mode .modal-close {
        color: var(--color-text);
    }

    body.dark-mode .modal-close:hover {
        color: var(--color-text-secondary);
    }

    body.dark-mode .modal-info p {
        color: var(--color-text-secondary);
    }

    body.dark-mode .modal-info strong {
        color: var(--color-text);
    }

    body.dark-mode .modal-nav button {
        background-color: var(--color-text);
        color: var(--color-bg);
        border-color: var(--color-text);
    }

    body.dark-mode .modal-nav button:hover {
        background-color: var(--color-bg);
        color: var(--color-text);
    }

    /* Responsive modal */
    @media (max-width: 768px) {
        .modal-content {
            padding: var(--spacing-md);
            width: 95%;
        }

        .modal-close {
            top: var(--spacing-sm);
            right: var(--spacing-sm);
            font-size: 24px;
        }

        .modal-image img {
            max-height: 50vh;
        }

        .modal-nav {
            gap: var(--spacing-sm);
        }

        .modal-nav button {
            padding: 8px 12px;
            font-size: 12px;
        }
    }

    @media (max-width: 640px) {
        .modal-content {
            padding: var(--spacing-md);
        }

        .modal-info h3 {
            font-size: var(--font-size-base);
        }

        .modal-nav {
            flex-direction: column;
        }

        .modal-nav button {
            width: 100%;
        }
    }
    
    /* ============================================
    HAMBURGER MENU ACTIVO
    ============================================ */

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(10px, 10px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

 }