/* ============================================================================
   ALUCASA - MODERN CSS 2026
   Diseño ultra moderno, minimalista y profesional
   ============================================================================ */

/* ============================================================================
   VARIABLES CSS - PALETA DE COLORES ACTUALIZADA
   ============================================================================ */

:root {
    /* Colores principales - Tonos marrones elegantes */
    --primary-50: #fef7f2;
    --primary-100: #fce9dc;
    --primary-200: #f9d4ba;
    --primary-300: #f4b68d;
    --primary-400: #ee915d;
    --primary-500: #e97539;
    --primary-600: #d95a23;
    --primary-700: #b5491d;
    --primary-800: #913d1e;
    --primary-900: #76351c;
    
    /* Colores neutrales */
    --neutral-50: #fafaf9;
    --neutral-100: #f5f5f4;
    --neutral-200: #e7e5e4;
    --neutral-300: #d6d3d1;
    --neutral-400: #a8a29e;
    --neutral-500: #78716c;
    --neutral-600: #57534e;
    --neutral-700: #44403c;
    --neutral-800: #292524;
    --neutral-900: #1c1917;
    
    /* Colores semánticos */
    --success: #16a34a;
    --warning: #ea580c;
    --error: #dc2626;
    --info: #0284c7;
    
    /* Aplicación de colores */
    --color-primary: var(--primary-700);
    --color-primary-light: var(--primary-500);
    --color-primary-dark: var(--primary-900);
    --color-accent: var(--primary-400);
    --color-bg: var(--neutral-50);
    --color-surface: #ffffff;
    --color-text: var(--neutral-900);
    --color-text-light: var(--neutral-600);
    --color-text-muted: var(--neutral-400);
    --color-border: var(--neutral-200);
    
    /* Tipografía */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Plus Jakarta Sans', 'Inter', sans-serif;
    
    /* Tamaños de fuente (fluid typography) */
    --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
    --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
    --text-lg: clamp(1.125rem, 1rem + 0.5vw, 1.25rem);
    --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
    --text-2xl: clamp(1.5rem, 1.3rem + 1vw, 2rem);
    --text-3xl: clamp(1.875rem, 1.5rem + 1.5vw, 2.5rem);
    --text-4xl: clamp(2.25rem, 1.8rem + 2vw, 3rem);
    
    /* Espaciado */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Bordes redondeados */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Sombras modernas (más sutiles) */
    --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    
    /* Transiciones */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* ============================================================================
   MODO OSCURO
   ============================================================================ */

@media (prefers-color-scheme: dark) {
    :root {
        --color-primary: var(--primary-400);
        --color-primary-light: var(--primary-300);
        --color-primary-dark: var(--primary-600);
        --color-accent: var(--primary-500);
        --color-bg: var(--neutral-900);
        --color-surface: var(--neutral-800);
        --color-text: var(--neutral-50);
        --color-text-light: var(--neutral-300);
        --color-text-muted: var(--neutral-500);
        --color-border: var(--neutral-700);
        
        --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.5), 0 1px 2px -1px rgb(0 0 0 / 0.5);
        --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.5), 0 2px 4px -2px rgb(0 0 0 / 0.5);
        --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.5), 0 4px 6px -4px rgb(0 0 0 / 0.5);
    }
}

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

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    padding-top: 80px;
    min-height: 100vh;
}

/* ============================================================================
   TIPOGRAFÍA
   ============================================================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text);
    margin-bottom: var(--space-md);
}

h1 {
    font-size: var(--text-4xl);
    letter-spacing: -0.02em;
}

h2 {
    font-size: var(--text-3xl);
    letter-spacing: -0.01em;
}

h3 {
    font-size: var(--text-2xl);
}

h4 {
    font-size: var(--text-xl);
}

h5 {
    font-size: var(--text-lg);
}

h6 {
    font-size: var(--text-base);
    font-weight: 600;
}

p {
    margin-bottom: var(--space-md);
    color: var(--color-text-light);
}

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

a:hover {
    color: var(--color-primary-light);
}

strong, b {
    font-weight: 600;
    color: var(--color-text);
}

/* ============================================================================
   HEADER Y NAVEGACIÓN
   ============================================================================ */

.cabecera-fija {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--shadow-sm);
}

.cabecera-fija::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-surface);
    opacity: 0.9;
    z-index: -1;
}

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

.logo-link {
    display: flex;
    align-items: center;
    z-index: 2;
}

.logo {
    height: 60px;
    width: auto;
    border-radius: 8px;
    border: 3px solid var(--color-primary);
    padding: 5px;
    background: white;
    box-shadow: 0 2px 8px rgba(181, 73, 29, 0.2);
    transition: all 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(181, 73, 29, 0.3);
}

/* Menú de navegación */
nav {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

nav a {
    position: relative;
    padding: var(--space-sm) var(--space-lg);
    font-weight: 500;
    font-size: var(--text-sm);
    letter-spacing: 0.01em;
    color: var(--color-text-light);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

nav a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transform: translateX(-50%);
    transition: width var(--transition-base);
}

nav a:hover {
    color: var(--color-primary);
    background: var(--primary-50);
}

nav a:hover::before {
    width: 80%;
}

nav a.active {
    color: var(--color-primary);
    background: linear-gradient(135deg, var(--primary-50) 0%, var(--primary-100) 100%);
    font-weight: 600;
}

nav a.active::before {
    width: 80%;
}

/* Menú hamburguesa */
.menu-toggle {
    display: none;
}

.hamburger {
    display: none;
    font-size: 1.5rem;
    color: var(--color-text);
    cursor: pointer;
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.hamburger:hover {
    background: var(--color-border);
}

/* ============================================================================
   LAYOUT PRINCIPAL
   ============================================================================ */

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-lg);
}

section {
    background: var(--color-surface);
    padding: var(--space-2xl);
    margin-bottom: var(--space-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    animation: fadeInUp 0.6s ease-out backwards;
}

section:nth-child(1) { animation-delay: 0.1s; }
section:nth-child(2) { animation-delay: 0.2s; }
section:nth-child(3) { animation-delay: 0.3s; }
section:nth-child(4) { animation-delay: 0.4s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================================================
   BANNER HERO
   ============================================================================ */

.blur-banner {
    position: relative;
    background: linear-gradient(135deg, 
        var(--primary-700) 0%, 
        var(--primary-600) 50%, 
        var(--primary-500) 100%);
    color: white;
    padding: var(--space-3xl) var(--space-2xl);
    border-radius: var(--radius-2xl);
    text-align: center;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.blur-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.blur-banner::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.blur-banner > * {
    position: relative;
    z-index: 1;
}

.blur-banner h1,
.blur-banner h2,
.blur-banner p {
    color: white;
    margin-bottom: var(--space-lg);
}

.blur-banner h1 {
    font-size: var(--text-4xl);
    font-weight: 800;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

/* ============================================================================
   BOTONES
   ============================================================================ */

.btn-big,
.btn-contact,
.btn-wsp,
.btn-maps {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-weight: 600;
    font-size: var(--text-base);
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    font-family: var(--font-sans);
    box-shadow: var(--shadow-sm);
}

.btn-big {
    background: linear-gradient(135deg, var(--primary-700) 0%, var(--primary-600) 100%);
    color: white;
}

.btn-big:hover {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-500) 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-contact {
    background: linear-gradient(135deg, var(--primary-700) 0%, var(--primary-600) 100%);
    color: white;
}

.btn-contact:hover {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-500) 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-wsp {
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: white;
}

.btn-wsp:hover {
    background: linear-gradient(135deg, #1fbd5a 0%, #0d6e61 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-maps {
    background: white;
    color: var(--primary-700);
    border: 2px solid var(--primary-700);
}

.btn-maps:hover {
    background: var(--primary-50);
    border-color: var(--primary-600);
    transform: translateY(-2px);
}

.btn-big i,
.btn-contact i,
.btn-wsp i,
.btn-maps i {
    font-size: 1.2em;
}

/* Grupo de botones */
.contact-buttons-group {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
    margin: var(--space-xl) 0;
}

/* ============================================================================
   TARJETAS DE PROYECTOS
   ============================================================================ */

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
}

.project-card {
    position: relative;
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-200);
}

.project-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.project-info {
    padding: var(--space-xl);
}

.project-info h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-sm);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.project-info h3 i {
    font-size: 1.2em;
}

.project-info p {
    color: var(--color-text-light);
    font-size: var(--text-sm);
    margin: 0;
}

/* ============================================================================
   LISTAS
   ============================================================================ */

ul {
    list-style: none;
    padding: 0;
}

ul li {
    position: relative;
    padding-left: var(--space-2xl);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 50%;
}

ul li::after {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 50%;
    animation: ping 1.5s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes ping {
    75%, 100% {
        transform: scale(2);
        opacity: 0;
    }
}

/* ============================================================================
   FORMULARIOS
   ============================================================================ */

.contact-form {
    max-width: 600px;
    margin: var(--space-2xl) auto;
}

.form-group {
    margin-bottom: var(--space-xl);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-sm);
    font-weight: 600;
    color: var(--color-text);
    font-size: var(--text-sm);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--space-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    font-size: var(--text-base);
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-surface);
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--primary-100);
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
}

/* ============================================================================
   CAJA DE HORARIO
   ============================================================================ */

.horario-box {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-50) 0%, var(--primary-100) 100%);
    border-left: 4px solid var(--color-primary);
    padding: var(--space-lg) var(--space-xl);
    border-radius: var(--radius-lg);
    margin: var(--space-xl) 0;
    box-shadow: var(--shadow-sm);
}

.horario-box i {
    color: var(--color-primary);
    margin-right: var(--space-sm);
    font-size: 1.2em;
}

.horario-box b {
    color: var(--color-primary);
    font-weight: 600;
}

/* ============================================================================
   CTA BOX
   ============================================================================ */

.cta-box {
    background: linear-gradient(135deg, var(--primary-50) 0%, var(--primary-100) 50%, var(--primary-50) 100%);
    text-align: center;
    border: 2px solid var(--primary-200);
}

.cta-box h2 {
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.cta-box p {
    font-size: var(--text-lg);
    color: var(--color-primary);  /* #b5491d - marrón oscuro */
    margin-bottom: var(--space-xl);
}

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

footer {
    background: var(--primary-900);
    color: var(--primary-100);
    text-align: center;
    padding: var(--space-3xl) var(--space-lg);
    margin-top: var(--space-3xl);
}

footer p {
    margin: var(--space-sm) 0;
    color: var(--primary-100);
}

footer img {
    max-width: 280px;
    height: auto;
    margin-top: var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* ============================================================================
   RESPONSIVE DESIGN
   ============================================================================ */

@media (max-width: 900px) {
    body {
        padding-top: 70px;
    }
    
    .cabecera-fija {
        padding: var(--space-md) var(--space-lg);
    }
    
    .hamburger {
        display: block;
        z-index: 3;
    }
    
    .logo {
        height: 40px;
    }
    
    nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-surface);
        border-bottom: 1px solid var(--color-border);
        padding: var(--space-lg);
        gap: var(--space-xs);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: all var(--transition-base);
        box-shadow: var(--shadow-lg);
    }
    
    .menu-toggle:checked ~ nav {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    
    nav a {
        width: 100%;
        text-align: center;
        padding: var(--space-md);
    }
    
    main {
        padding: var(--space-xl) var(--space-md);
    }
    
    section {
        padding: var(--space-xl);
        margin-bottom: var(--space-xl);
    }
    
    .blur-banner {
        padding: var(--space-2xl) var(--space-lg);
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .contact-buttons-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn-big,
    .btn-contact,
    .btn-wsp,
    .btn-maps {
        width: 100%;
    }
}

@media (max-width: 640px) {
    h1 {
        font-size: var(--text-3xl);
    }
    
    h2 {
        font-size: var(--text-2xl);
    }
    
    section {
        padding: var(--space-lg);
    }
}

/* ============================================================================
   ANIMACIONES ADICIONALES
   ============================================================================ */

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* ============================================================================
   ACCESIBILIDAD
   ============================================================================ */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ============================================================================
   UTILIDADES
   ============================================================================ */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}
/* ===================================
   SELECTOR DE IDIOMAS EN EL MENÚ
   =================================== */

.language-selector {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 30px;
    padding-left: 30px;
    border-left: 2px solid #d95a23;
}

.lang-link {
    color: #d95a23;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 6px 12px;
    border-radius: 6px;
    transition: all 0.3s ease;
    font-family: var(--font-sans);
}

.lang-link:hover {
    background: rgba(255, 0, 0, 0.15);
    color: #d95a23;
    transform: translateY(-1px);
}

.lang-link.active {
    background: rgba(255, 0, 0, 0.25);
    color: #d95a23;
    font-weight: 700;
}

.lang-separator {
    color: #d95a23;
    font-weight: 300;
    font-size: 1.2rem;
}

/* Responsive para móviles */
@media (max-width: 900px) {
    .language-selector {
        width: 100%;
        justify-content: center;
        margin: 15px 0 0 0;
        padding: 15px 0 0 0;
        border-left: none;
        border-top: 1px solid rgba(255,255,255,0.2);
    }
    
    .lang-link {
        font-size: 1rem;
        padding: 8px 16px;
    }
}
/* ESTILOS PARA LA DIRECCIÓN - Mejorar visibilidad */
.location-box,
.address-box,
.direccion-box {
    background: var(--color-surface);
    border: 2px solid var(--primary-200);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    box-shadow: var(--shadow-sm);
}

.location-box p,
.address-box p,
.direccion-box p {
    color: var(--color-text) !important; /* Negro/gris oscuro #1c1917 */
    font-size: var(--text-base);
    font-weight: 500;
    margin: var(--space-sm) 0;
    line-height: 1.6;
}

/* Título de la dirección */
.location-box strong,
.address-box strong,
.direccion-box strong {
    color: var(--color-primary);
    font-weight: 700;
    font-size: var(--text-lg);
}