/* ===== INMOBILIARIA CARVAJAL: ESTILOS GENERALES Y TOKENIZACIÓN ===== */
:root {
    --primary: #1C1917;        /* Warm Stone 900 (Marrón-Negro elegante) */
    --secondary: #78716C;      /* Warm Stone 500 (Gris piedra cálido) */
    --accent: #8C7853;         /* Oro Latón Mate (Champagne oscuro) */
    --accent-dark: #6F5E3D;
    --accent-light: #F4F1EC;
    --bg-light: #FAFAF9;       /* Warm Stone 50 (Off-white de fondo) */
    --white: #FFFFFF;
    --border: #E7E5E4;         /* Stone 200 (Bordes finos) */
    --border-dark: #A8A29E;
    
    /* Fuentes */
    --font-heading: 'Cinzel', serif;
    --font-body: 'Josefin Sans', sans-serif;
    
    /* Espaciados */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 48px;
    --spacing-xl: 96px;
    
    /* Efectos */
    --transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    --shadow: 0 15px 45px rgba(28, 25, 23, 0.05);
    --shadow-hover: 0 30px 60px rgba(28, 25, 23, 0.1);
    --radius: 0px; /* Sin bordes redondeados para un look editorial purista y rectangular */
}

/* ===== RESET & ESTILOS BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--accent) var(--bg-light);
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--primary);
    background-color: var(--bg-light);
    overflow-x: hidden;
}

/* ===== TIPOGRAFÍA EDITORIAL ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 500;
    color: var(--primary);
    letter-spacing: 0.02em;
}

h1 {
    font-size: clamp(38px, 6.5vw, 68px);
    line-height: 1.1;
    text-transform: uppercase;
}

h2 {
    font-size: clamp(28px, 4vw, 44px);
    line-height: 1.2;
    text-transform: uppercase;
}

h3 {
    font-size: 24px;
    text-transform: uppercase;
}

p {
    font-family: var(--font-body);
    font-weight: 400;
    color: var(--secondary);
}

a {
    font-family: var(--font-body);
    font-weight: 500;
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

/* ===== CONTAINERS ===== */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===== SECCIONES ===== */
section {
    padding: var(--spacing-xl) 0;
    border-bottom: 1px solid var(--border);
}

.section-header {
    margin-bottom: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.section-header-text {
    max-width: 700px;
}

.section-header-text h2 {
    margin-bottom: 12px;
}

.section-header-text p {
    font-size: 18px;
}

.tagline {
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: var(--accent);
    display: block;
    margin-bottom: 12px;
}

/* ===== BOTONES EDITORIALES (SIN BORDES REDONDEADOS) ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 36px;
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    border-radius: var(--radius);
    gap: 12px;
}

.btn-accent {
    background-color: var(--accent);
    color: var(--white);
}

.btn-accent:hover {
    background-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(28, 25, 23, 0.15);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}

.btn-outline:hover {
    background-color: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-text {
    background: none;
    color: var(--primary);
    padding: 0;
    border-bottom: 2px solid var(--accent);
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-text:hover {
    color: var(--accent);
    border-bottom-color: var(--primary);
}

/* ===== HEADER & NAVIGATION ===== */
header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(28, 25, 23, 0.08);
    transition: var(--transition);
}

header.scrolled {
    position: fixed;
    background-color: rgba(250, 250, 249, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: var(--shadow);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px var(--spacing-md);
    transition: var(--transition);
}

header.scrolled .nav-container {
    padding: 16px var(--spacing-md);
}

.logo {
    font-family: var(--font-heading);
    font-size: 26px;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-decoration: none;
}

.logo span {
    color: var(--accent);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-menu a {
    font-size: 13.5px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--secondary);
}

.nav-menu a:hover, .nav-menu a.active {
    color: var(--primary);
}

.nav-cta {
    display: flex;
    gap: 20px;
    align-items: center;
}

.burger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--primary);
    padding: 4px;
}

/* ===== MOBILE OVERLAY DRAWER ===== */
.mobile-drawer-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(28, 25, 23, 0.5);
    backdrop-filter: blur(8px);
    z-index: 998;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.mobile-drawer-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.mobile-drawer {
    position: fixed;
    top: 0;
    right: -320px;
    width: 100%;
    max-width: 320px;
    height: 100vh;
    background: var(--bg-light);
    border-left: 1px solid var(--border);
    z-index: 999;
    padding: 96px 32px 32px 32px;
    display: flex;
    flex-direction: column;
    gap: 40px;
    transition: var(--transition);
}

.mobile-drawer.open {
    right: 0;
}

.mobile-drawer ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.mobile-drawer ul a {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 500;
    color: var(--primary);
    text-transform: uppercase;
}

.mobile-drawer ul a:hover {
    color: var(--accent);
}

/* ===== IMAGE SHOWCASE MODULE ===== */
.img-container {
    width: 100%;
    overflow: hidden;
    position: relative;
    background-color: var(--border);
}

.img-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.img-container:hover img {
    transform: scale(1.03);
}

.img-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(rgba(28, 25, 23, 0) 60%, rgba(28, 25, 23, 0.6) 100%);
    display: flex;
    align-items: flex-end;
    padding: var(--spacing-md);
}

/* ===== HERO (PÁGINA INICIO) ===== */
.hero {
    height: 100vh;
    min-height: 650px;
    position: relative;
    display: flex;
    align-items: center;
    padding: 0;
    border-bottom: none;
}

.hero-slider-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-slider-bg .img-container {
    width: 100%;
    height: 100%;
}

.hero-slider-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background-color: rgba(28, 25, 23, 0.45); /* Capa oscura para contrastar el texto */
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    color: var(--white);
    max-width: 800px;
    margin-top: 80px;
}

.hero-content h1 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.hero-content p {
    color: var(--white);
    opacity: 0.9;
    font-size: 20px;
    margin-bottom: var(--spacing-md);
    max-width: 600px;
}

/* ===== INTRO MANIFIESTO ===== */
.manifesto-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.manifesto-title h2 {
    font-size: clamp(34px, 5vw, 54px);
    line-height: 1.1;
    color: var(--primary);
    text-transform: uppercase;
}

.manifesto-text p {
    font-size: 20px;
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

/* ===== PROYECTOS DESTACADOS ===== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.project-card {
    background-color: var(--white);
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.project-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
    border-color: var(--border-dark);
}

.project-card .img-container {
    aspect-ratio: 4/3;
}

.project-info {
    padding: var(--spacing-md);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.project-tag {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    margin-bottom: 6px;
}

.project-card h3 {
    font-size: 20px;
    margin-bottom: 8px;
}

.project-desc {
    font-size: 14.5px;
    margin-bottom: var(--spacing-sm);
    flex-grow: 1;
}

.project-meta {
    display: flex;
    justify-content: space-between;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border);
    font-size: 13.5px;
    font-weight: 600;
    color: var(--primary);
}

/* ===== FILTRO DE PROYECTOS (PROYECTOS.HTML) ===== */
.filter-bar {
    background-color: var(--white);
    border: 1px solid var(--border);
    padding: 24px;
    margin-bottom: var(--spacing-lg);
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    align-items: flex-end;
}

.filter-group {
    flex: 1 1 200px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.filter-group label {
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--secondary);
}

.filter-group select, .filter-group input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    font-family: inherit;
    font-size: 15px;
    background-color: var(--bg-light);
    border-radius: var(--radius);
    outline: none;
    transition: var(--transition);
}

.filter-group select:focus, .filter-group input:focus {
    border-color: var(--accent);
    background-color: var(--white);
}

/* ===== DETALLE DE PROYECTO (PROYECTO-DETALLE.HTML) ===== */
.detail-layout {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--spacing-lg);
}

.detail-gallery {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.gallery-main {
    aspect-ratio: 16/10;
    border: 1px solid var(--border);
}

.gallery-thumbs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.gallery-thumb {
    aspect-ratio: 4/3;
    cursor: pointer;
    border: 1px solid var(--border);
    transition: var(--transition);
    opacity: 0.6;
}

.gallery-thumb:hover, .gallery-thumb.active {
    opacity: 1;
    border-color: var(--accent);
}

.detail-sidebar {
    background-color: var(--white);
    border: 1px solid var(--border);
    padding: var(--spacing-md);
    height: fit-content;
}

.price-tag {
    font-family: var(--font-heading);
    font-size: 28px;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    display: block;
}

.spec-list {
    list-style: none;
    margin-bottom: var(--spacing-md);
    border-top: 1px solid var(--border);
}

.spec-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    font-size: 15px;
}

.spec-item span:first-child {
    color: var(--secondary);
    font-weight: 500;
}

.spec-item span:last-child {
    font-weight: 700;
    color: var(--primary);
}

/* Selector Interactivo de Planos (Tabs) */
.plan-viewer-container {
    margin-top: var(--spacing-lg);
}

.plan-tabs {
    display: flex;
    gap: 12px;
    border-bottom: 1px solid var(--border);
    margin-bottom: var(--spacing-md);
    padding-bottom: 12px;
}

.plan-tab-btn {
    font-family: var(--font-body);
    font-size: 13.5px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: none;
    border: none;
    color: var(--secondary);
    padding: 8px 16px;
    cursor: pointer;
    transition: var(--transition);
}

.plan-tab-btn:hover {
    color: var(--primary);
}

.plan-tab-btn.active {
    color: var(--accent);
    border-bottom: 2px solid var(--accent);
}

.plan-content {
    display: none;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    align-items: center;
}

.plan-content.active {
    display: grid;
    animation: fadeIn 0.5s ease-out;
}

.plan-image-box {
    border: 1px solid var(--border);
    aspect-ratio: 4/3;
    padding: 16px;
    background-color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
}

.plan-image-box img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.plan-details h4 {
    font-size: 20px;
    margin-bottom: 12px;
}

/* ===== CONTACT FORM (CONTACTO.HTML) ===== */
.contact-layout {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.contact-sidebar {
    background-color: var(--primary);
    color: var(--white);
    padding: var(--spacing-md);
}

.contact-sidebar h3 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.contact-info-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.contact-info-list li {
    font-size: 15px;
    opacity: 0.9;
}

.contact-form-container {
    background-color: var(--white);
    border: 1px solid var(--border);
    padding: var(--spacing-md);
}

.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--secondary);
    margin-bottom: 8px;
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    font-family: inherit;
    font-size: 15px;
    background-color: var(--bg-light);
    border-radius: var(--radius);
    outline: none;
    transition: var(--transition);
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--accent);
    background-color: var(--white);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ===== TESTIMONIALS (EDITORIAL BLOCK) ===== */
.testimonials-editorial {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.testimonial-item {
    border-top: 1px solid var(--border-dark);
    padding-top: var(--spacing-sm);
}

.testimonial-text {
    font-family: var(--font-heading);
    font-size: 20px;
    line-height: 1.6;
    color: var(--primary);
    font-style: italic;
    margin-bottom: var(--spacing-sm);
}

.testimonial-author {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
}

/* ===== FOOTER ===== */
footer {
    background-color: var(--primary);
    color: var(--white);
    padding: var(--spacing-lg) 0 var(--spacing-md) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-cols {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr 0.7fr 1.3fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.footer-col h4 {
    color: var(--white);
    font-size: 15px;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.footer-col p {
    font-size: 14.5px;
    color: var(--bg-light);
    opacity: 0.8;
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col ul a {
    color: var(--bg-light);
    opacity: 0.8;
    text-decoration: none;
    font-size: 14.5px;
    transition: var(--transition);
}

.footer-col ul a:hover {
    color: var(--accent);
    opacity: 1;
    padding-left: 4px;
}

.footer-contact-details {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-contact-details li {
    font-size: 14.5px;
    color: var(--bg-light);
    opacity: 0.8;
}

.footer-contact-details li a {
    color: var(--white);
    text-decoration: none;
}

.footer-contact-details li a:hover {
    color: var(--accent);
}

.footer-bottom {
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom p {
    font-size: 13px;
    color: var(--bg-light);
    opacity: 0.5;
}

.footer-policy-links {
    display: flex;
    gap: 24px;
}

.footer-policy-links a {
    font-size: 13px;
    color: var(--bg-light);
    opacity: 0.5;
    text-decoration: none;
}

.footer-policy-links a:hover {
    color: var(--accent);
    opacity: 1;
}

/* ===== ANIMACIONES ===== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== RESPONSIVIDAD ===== */
@media (max-width: 1024px) {
    .manifesto-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .detail-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .contact-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .footer-cols {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .burger {
        display: block;
    }

    header {
        position: fixed;
        background-color: rgba(250, 250, 249, 0.95);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
    }

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

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

    .plan-image-box {
        order: -1;
    }

    .form-row-2 {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .testimonials-editorial {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .footer-cols {
        grid-template-columns: 1fr;
    }
}