/* === COBALTHO MAQUINARIA - SISTEMA DE DISEÑO PREMIUM === */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
    /* Paleta Industrial Premium */
    --color-primary: #ea580c;        /* Naranja Mecánico */
    --color-primary-hover: #c2410c;
    --color-primary-light: rgba(234, 88, 12, 0.1);
    --color-dark-bg: #0f172a;        /* Azul Pizarra Profundo */
    --color-dark-surface: #1e293b;   /* Pizarra Card */
    --color-dark-border: #334155;    /* Pizarra Borde */
    --color-text-main: #f8fafc;
    --color-text-muted: #94a3b8;
    
    /* Estados Semáforo */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    
    /* Fuentes y Sombras */
    --font-main: 'Outfit', sans-serif;
    --shadow-premium: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    --shadow-soft: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset y Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-main);
    background-color: var(--color-dark-bg);
    color: var(--color-text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Header & Navegación */
.navbar {
    background-color: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-dark-border);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 5%;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

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

.nav-btn {
    background-color: var(--color-primary);
    padding: 0.6rem 1.4rem;
    border-radius: var(--border-radius);
    font-weight: 600;
}

.nav-btn:hover {
    background-color: var(--color-primary-hover);
    color: var(--color-text-main) !important;
}

/* Hero Slider Section */
.hero-slider {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    margin-top: 0;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1s ease-in-out, visibility 1s ease-in-out;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 5%;
}

.hero-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 30%, rgba(234, 88, 12, 0.25));
    z-index: 1;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    transform: translateY(30px);
    opacity: 0;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.8s ease-out;
}

.hero-slide.active .hero-content {
    transform: translateY(0);
    opacity: 1;
}

.hero-content h1 {
    font-size: 3.8rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--color-text-main);
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: 2.5rem;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
}

/* Dots navigation */
.slider-dots {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 3;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.35);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}

.slider-dot:hover {
    background-color: rgba(255, 255, 255, 0.7);
}

.slider-dot.active {
    background-color: var(--color-primary);
    transform: scale(1.3);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Grid & Cards */
.section {
    padding: 6rem 5%;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.6rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--color-text-muted);
    font-size: 1.1rem;
}

.grid-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2.5rem;
}

/* Ficha de Maquinaria Card */
.card-machinery {
    background-color: var(--color-dark-surface);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

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

.card-img-wrapper {
    position: relative;
    height: 220px;
    background-color: #000;
}

.card-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.badge-status {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.badge-available { background-color: var(--color-success); }
.badge-rented { background-color: var(--color-warning); }
.badge-maintenance { background-color: #3b82f6; }
.badge-sold { background-color: var(--color-error); }

.card-body {
    padding: 1.8rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.card-meta {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.2rem;
}

.card-specs {
    display: flex;
    justify-content: space-between;
    border-top: 1px solid var(--color-dark-border);
    border-bottom: 1px solid var(--color-dark-border);
    padding: 0.8rem 0;
    margin-bottom: 1.5rem;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.card-price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
}

.card-price {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
}

.btn-detail {
    background-color: var(--color-dark-border);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    font-weight: 600;
}

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

/* Buscador Avanzado */
.search-bar {
    background-color: var(--color-dark-surface);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 3rem;
}

.search-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-muted);
}

.form-control {
    background-color: var(--color-dark-bg);
    border: 1px solid var(--color-dark-border);
    color: var(--color-text-main);
    padding: 0.8rem 1rem;
    border-radius: var(--border-radius);
    font-family: var(--font-main);
    outline: none;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--color-primary);
}

.btn-search {
    background-color: var(--color-primary);
    color: #white;
    font-weight: 700;
    border: none;
    cursor: pointer;
    border-radius: var(--border-radius);
    height: 100%;
}

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

/* Ficha de Maquinaria Detalle */
.detail-layout {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    margin-top: 2rem;
}

.gallery-main {
    width: 100%;
    height: 450px;
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.gallery-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-thumbs {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
}

.gallery-thumbs img {
    width: 100%;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    border: 2px solid transparent;
}

.gallery-thumbs img.active {
    border-color: var(--color-primary);
}

.specs-tabs {
    margin-top: 3rem;
}

.tab-nav {
    display: flex;
    border-bottom: 1px solid var(--color-dark-border);
    margin-bottom: 2rem;
}

.tab-nav button {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-family: var(--font-main);
    font-size: 1.1rem;
    font-weight: 600;
    padding: 1rem 2rem;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

.tab-nav button.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.table-specs {
    width: 100%;
    border-collapse: collapse;
}

.table-specs td {
    padding: 1rem;
    border-bottom: 1px solid var(--color-dark-border);
}

.table-specs td:first-child {
    font-weight: 600;
    color: var(--color-text-muted);
    width: 35%;
}

/* Calculadora Interactiva de Alquiler */
.rental-calculator {
    background: linear-gradient(180deg, var(--color-dark-surface), rgba(30, 41, 59, 0.5));
    border: 1px solid var(--color-dark-border);
    border-radius: var(--border-radius);
    padding: 2.5rem;
}

.sidebar-sticky {
    position: sticky;
    top: 100px;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.calc-price {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
}

.calc-price span {
    font-size: 1rem;
    color: var(--color-text-muted);
    font-weight: 400;
}

.calc-result {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-dark-border);
}

.calc-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.8rem;
}

.calc-row.total {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--color-success);
    margin-top: 1rem;
}

/* Panel Layout (Admin / Cliente) */
.panel-container {
    display: grid;
    grid-template-columns: 280px 1fr;
    min-height: 100vh;
    margin-top: 80px;
}

.panel-sidebar {
    background-color: var(--color-dark-surface);
    border-right: 1px solid var(--color-dark-border);
    padding: 2rem;
}

.sidebar-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.9rem 1.2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    color: var(--color-text-muted);
}

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

.panel-content {
    padding: 3rem;
    overflow-y: auto;
}

/* KPIs de Control */
.kpis-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.kpi-card {
    background-color: var(--color-dark-surface);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--border-radius);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--color-primary);
}

.kpi-title {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.kpi-value {
    font-size: 2.2rem;
    font-weight: 800;
}

.kpi-footer {
    font-size: 0.85rem;
    margin-top: 0.8rem;
}

/* Tabla del Panel */
.table-panel-wrapper {
    background-color: var(--color-dark-surface);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-bottom: 2rem;
}

.table-panel {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.table-panel th {
    background-color: rgba(15, 23, 42, 0.4);
    padding: 1.2rem;
    font-weight: 700;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--color-dark-border);
}

.table-panel td {
    padding: 1.2rem;
    border-bottom: 1px solid var(--color-dark-border);
    font-size: 0.9rem;
}

.table-panel tr:last-child td {
    border-bottom: none;
}

.table-panel tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

/* Firma Digital Canvas */
.signature-container {
    background-color: #fff;
    border: 2px dashed #cbd5e1;
    border-radius: 8px;
    position: relative;
    width: 100%;
    height: 200px;
    margin-bottom: 1rem;
}

.signature-canvas {
    width: 100%;
    height: 100%;
    cursor: crosshair;
}

.btn-clear-sig {
    background-color: #ef4444;
    color: #fff;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
}

/* Comparador Side-by-side */
.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.comparison-column {
    background-color: var(--color-dark-surface);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--border-radius);
    padding: 2rem;
}

.comparison-feature {
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-dark-border);
}

.comparison-feature:last-child {
    border-bottom: none;
}

.comparison-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-weight: 600;
    text-transform: uppercase;
}

.comparison-value {
    font-size: 1.1rem;
    font-weight: 700;
    margin-top: 0.2rem;
}

/* Botones Globables */
.btn {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    border-radius: var(--border-radius);
    font-weight: 700;
    cursor: pointer;
    border: none;
    font-family: var(--font-main);
    transition: var(--transition);
    text-align: center;
}

.btn-primary {
    background-color: var(--color-primary);
    color: #fff;
}

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

.btn-secondary {
    background-color: var(--color-dark-border);
    color: #fff;
    border: 1px solid var(--color-dark-border);
}

.btn-secondary:hover {
    background-color: var(--color-primary-light);
    border-color: var(--color-primary);
}

/* Alertas de Notificación */
.alert-ui {
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    font-weight: 600;
    border: 1px solid transparent;
}

.alert-ui-success {
    background-color: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.3);
    color: var(--color-success);
}

.alert-ui-danger {
    background-color: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
    color: var(--color-error);
}

.alert-ui-warning {
    background-color: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.3);
    color: var(--color-warning);
}

/* Footer */
.footer-corporate {
    background-color: #080d1a;
    border-top: 1px solid var(--color-dark-border);
    padding: 5rem 5% 2rem 5%;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-col h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

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

.footer-col ul li {
    margin-bottom: 0.8rem;
}

.footer-col ul li a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    border-top: 1px solid var(--color-dark-border);
    padding-top: 2rem;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* Responsividad */
@media (max-width: 992px) {
    .detail-layout {
        grid-template-columns: 1fr;
    }
    .panel-container {
        grid-template-columns: 1fr;
    }
    .panel-sidebar {
        border-right: none;
        border-bottom: 1px solid var(--color-dark-border);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 1rem 5%;
    }
    .nav-links {
        display: none; /* Simplificado para móviles en demo */
    }
    .hero h1 {
        font-size: 2.6rem;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
}