/*
Theme Name: Cirkadian
Theme URI: https://cirkadian.com
Author: Cirkadian Team
Author URI: https://cirkadian.com
Description: Tema minimalista para Cirkadian - Editorial, publicaciones y print on demand
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: cirkadian
Tags: minimal, clean, editorial, photography, print-on-demand
*/

/* ========================================
   VARIABLES CSS - COLORES CIRKADIAN
   ======================================== */
:root {
    /* Colores principales del logo */
    --cirkadian-gray-dark: #808080;
    --cirkadian-gray-light: #D3D3D3;
    --cirkadian-green: #9ACD32;
    --cirkadian-white: #FFFFFF;
    --cirkadian-black: #1A1A1A;
    
    /* Colores derivados */
    --cirkadian-bg: #FAFAFA;
    --cirkadian-text: #333333;
    --cirkadian-text-light: #666666;
    --cirkadian-border: #E0E0E0;
    --cirkadian-hover: #8BB828;
    
    /* Tipografía */
    --font-primary: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --font-secondary: Georgia, 'Times New Roman', serif;
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

/* ========================================
   RESET Y BASE
   ======================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--cirkadian-text);
    background-color: var(--cirkadian-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--cirkadian-gray-dark);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--cirkadian-green);
}

/* ========================================
   LAYOUT
   ======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ========================================
   HEADER
   ======================================== */
.site-header {
    background-color: var(--cirkadian-white);
    border-bottom: 1px solid var(--cirkadian-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}

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

.site-logo {
    display: flex;
    align-items: center;
}

.site-logo img {
    height: 50px;
    width: auto;
}

/* ========================================
   NAVEGACIÓN
   ======================================== */
.main-navigation {
    display: flex;
    align-items: center;
}

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

.main-navigation a {
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.5rem 0;
    position: relative;
}

.main-navigation a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--cirkadian-green);
    transition: width var(--transition-normal);
}

.main-navigation a:hover::after,
.main-navigation .current-menu-item a::after {
    width: 100%;
}

/* Menú móvil */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--cirkadian-text);
    margin: 5px 0;
    transition: var(--transition-fast);
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .main-navigation ul {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--cirkadian-white);
        flex-direction: column;
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--cirkadian-border);
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }
    
    .main-navigation.active ul {
        display: flex;
    }
}

/* ========================================
   BOTONES
   ======================================== */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-align: center;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    border-radius: 0;
}

.btn-primary {
    background-color: var(--cirkadian-green);
    color: var(--cirkadian-white);
}

.btn-primary:hover {
    background-color: var(--cirkadian-hover);
    color: var(--cirkadian-white);
}

.btn-secondary {
    background-color: transparent;
    color: var(--cirkadian-text);
    border: 2px solid var(--cirkadian-text);
}

.btn-secondary:hover {
    background-color: var(--cirkadian-text);
    color: var(--cirkadian-white);
}

.btn-outline {
    background-color: transparent;
    color: var(--cirkadian-green);
    border: 2px solid var(--cirkadian-green);
}

.btn-outline:hover {
    background-color: var(--cirkadian-green);
    color: var(--cirkadian-white);
}

.btn-large {
    padding: 1rem 3rem;
    font-size: 1rem;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    background-color: var(--cirkadian-white);
}

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

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 300;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    color: var(--cirkadian-black);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    font-weight: 400;
    color: var(--cirkadian-text-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   SECTIONS
   ======================================== */
.section {
    padding: var(--spacing-xl) 0;
}

.section-alt {
    background-color: var(--cirkadian-white);
}

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

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 300;
    margin-bottom: var(--spacing-sm);
    color: var(--cirkadian-black);
}

.section-description {
    font-size: 1.1rem;
    color: var(--cirkadian-text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   SERVICIOS
   ======================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background-color: var(--cirkadian-white);
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
    border: 1px solid var(--cirkadian-border);
    transition: all var(--transition-normal);
}

.service-card:hover {
    border-color: var(--cirkadian-green);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.service-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
    color: var(--cirkadian-green);
}

.service-title {
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: var(--cirkadian-black);
}

.service-description {
    color: var(--cirkadian-text-light);
    margin-bottom: var(--spacing-md);
}

/* ========================================
   PRODUCTOS / PUBLICACIONES
   ======================================== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.product-card {
    background-color: var(--cirkadian-white);
    border: 1px solid var(--cirkadian-border);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.product-card:hover {
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.product-image {
    aspect-ratio: 3/4;
    overflow: hidden;
    background-color: var(--cirkadian-gray-light);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-info {
    padding: var(--spacing-md);
}

.product-title {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--cirkadian-black);
}

.product-price {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--cirkadian-green);
    margin-bottom: var(--spacing-sm);
}

.product-excerpt {
    font-size: 0.9rem;
    color: var(--cirkadian-text-light);
    margin-bottom: var(--spacing-sm);
}

/* ========================================
   FORMULARIOS
   ======================================== */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--cirkadian-text);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    font-family: inherit;
    color: var(--cirkadian-text);
    background-color: var(--cirkadian-white);
    border: 1px solid var(--cirkadian-border);
    transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--cirkadian-green);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.form-hint {
    font-size: 0.8rem;
    color: var(--cirkadian-text-light);
    margin-top: 0.25rem;
}

/* Checkbox y Radio */
.form-check {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: var(--spacing-sm);
}

.form-check-input {
    margin-top: 0.25rem;
}

.form-check-label {
    font-size: 0.9rem;
    color: var(--cirkadian-text);
}

/* ========================================
   CALCULADORA LULU
   ======================================== */
.lulu-calculator {
    background-color: var(--cirkadian-white);
    border: 1px solid var(--cirkadian-border);
    padding: var(--spacing-lg);
}

.calculator-section {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--cirkadian-border);
}

.calculator-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.calculator-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--cirkadian-black);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.calculator-options {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-sm);
}

.option-card {
    border: 2px solid var(--cirkadian-border);
    padding: var(--spacing-sm);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.option-card:hover,
.option-card.selected {
    border-color: var(--cirkadian-green);
    background-color: rgba(154, 205, 50, 0.05);
}

.option-card.selected {
    border-width: 2px;
}

.option-label {
    font-size: 0.875rem;
    font-weight: 500;
    display: block;
}

.price-summary {
    background-color: var(--cirkadian-bg);
    padding: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.price-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px dashed var(--cirkadian-border);
}

.price-row:last-child {
    border-bottom: none;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--cirkadian-green);
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 2px solid var(--cirkadian-border);
}

/* ========================================
   PROYECTOS
   ======================================== */
.projects-menu {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.projects-menu a {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.5rem 1rem;
    border-bottom: 2px solid transparent;
}

.projects-menu a:hover,
.projects-menu a.active {
    border-bottom-color: var(--cirkadian-green);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-sm);
}

.project-item {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
}

.project-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

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

.project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-md);
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: var(--cirkadian-white);
}

.project-title {
    font-size: 1.25rem;
    font-weight: 500;
}

/* ========================================
   FOOTER
   ======================================== */
.site-footer {
    background-color: var(--cirkadian-black);
    color: var(--cirkadian-gray-light);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-widget h4 {
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
    color: var(--cirkadian-white);
}

.footer-widget ul {
    list-style: none;
}

.footer-widget li {
    margin-bottom: 0.5rem;
}

.footer-widget a {
    color: var(--cirkadian-gray-light);
    font-size: 0.9rem;
}

.footer-widget a:hover {
    color: var(--cirkadian-green);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer-copyright {
    font-size: 0.875rem;
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background-color: var(--cirkadian-green);
    border-color: var(--cirkadian-green);
    color: var(--cirkadian-white);
}

/* ========================================
   MENSAJES Y ALERTAS
   ======================================== */
.alert {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border-left: 4px solid;
}

.alert-success {
    background-color: rgba(154, 205, 50, 0.1);
    border-color: var(--cirkadian-green);
    color: #4a7c0f;
}

.alert-error {
    background-color: rgba(220, 53, 69, 0.1);
    border-color: #dc3545;
    color: #721c24;
}

.alert-info {
    background-color: rgba(128, 128, 128, 0.1);
    border-color: var(--cirkadian-gray-dark);
    color: var(--cirkadian-text);
}

/* ========================================
   PAGINACIÓN
   ======================================== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: var(--spacing-lg);
}

.pagination a,
.pagination span {
    padding: 0.5rem 1rem;
    border: 1px solid var(--cirkadian-border);
    font-size: 0.875rem;
}

.pagination a:hover {
    background-color: var(--cirkadian-green);
    border-color: var(--cirkadian-green);
    color: var(--cirkadian-white);
}

.pagination .current {
    background-color: var(--cirkadian-green);
    border-color: var(--cirkadian-green);
    color: var(--cirkadian-white);
}

/* ========================================
   WOOCOMMERCE CUSTOM
   ======================================== */
.woocommerce .products {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.woocommerce .product {
    background-color: var(--cirkadian-white);
    border: 1px solid var(--cirkadian-border);
}

.woocommerce .product img {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
}

.woocommerce .product .button {
    background-color: var(--cirkadian-green) !important;
    color: var(--cirkadian-white) !important;
    border-radius: 0 !important;
    text-transform: uppercase;
    font-size: 0.8rem !important;
    letter-spacing: 0.05em;
}

.woocommerce .product .button:hover {
    background-color: var(--cirkadian-hover) !important;
}

.woocommerce .price {
    color: var(--cirkadian-green) !important;
    font-weight: 600 !important;
}

/* ========================================
   UTILIDADES
   ======================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.hidden { display: none !important; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .hero {
        min-height: 60vh;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* ========================================
   ANIMACIONES
   ======================================== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

/* Loading spinner */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--cirkadian-border);
    border-top-color: var(--cirkadian-green);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}