/* ==========================================================================
   GT ELECTROSISTEMAS - HOJA DE ESTILOS PRINCIPAL
   Estilo Premium de Ingeniería Eléctrica y Potencia (Inspirado en baorgg.com)
   ========================================================================== */

/* --- Importación de Fuentes Nativas de Google --- */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

/* --- Configuración y Tokens de Diseño (CSS Custom Properties) --- */
:root {
    /* Tipografía */
    --font-primary: 'Plus Jakarta Sans', sans-serif;
    
    /* Variables del Tema Oscuro (Por defecto) */
    --bg-main: hsl(220, 30%, 8%);
    --bg-alt: hsl(220, 25%, 11%);
    --bg-card: hsla(220, 25%, 14%, 0.8);
    --bg-header: rgba(12, 22, 38, 0.75);
    --border-color: hsla(220, 20%, 25%, 0.4);
    --border-glow: hsla(43, 100%, 50%, 0.15);
    
    --text-main: hsl(0, 0%, 100%);
    --text-muted: hsl(220, 15%, 85%);
    --text-inverse: hsl(220, 30%, 10%);
    
    --primary-color: hsl(215, 80%, 18%);
    --primary-hover: hsl(215, 80%, 24%);
    --accent-color: hsl(43, 100%, 50%); /* Amarillo Eléctrico */
    --accent-hover: hsl(43, 100%, 42%);
    --accent-glow: hsla(43, 100%, 50%, 0.3);
    
    /* Estados de Cumplimiento */
    --status-critical: hsl(0, 85%, 65%);
    --status-warning: hsl(38, 95%, 60%);
    --status-success: hsl(145, 80%, 50%);
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px hsla(43, 100%, 50%, 0.2);
    
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.2s ease;
}

/* --- Tema Claro --- */
body.light-theme {
    --bg-main: hsl(210, 20%, 97%);
    --bg-alt: hsl(210, 15%, 93%);
    --bg-card: hsla(0, 0%, 100%, 0.9);
    --bg-header: rgba(255, 255, 255, 0.8);
    --border-color: hsla(220, 15%, 85%, 0.8);
    --border-glow: hsla(215, 80%, 18%, 0.08);
    
    --text-main: hsl(220, 30%, 12%);
    --text-muted: hsl(220, 15%, 32%);
    --text-inverse: hsl(0, 0%, 100%);
    
    --primary-color: hsl(215, 80%, 22%);
    --primary-hover: hsl(215, 80%, 15%);
    --accent-color: hsl(41, 100%, 45%); /* Amarillo de Contraste */
    --accent-hover: hsl(41, 100%, 38%);
    --accent-glow: hsla(41, 100%, 45%, 0.3);
    
    --shadow-sm: 0 2px 8px rgba(12, 22, 38, 0.05);
    --shadow-md: 0 8px 30px rgba(12, 22, 38, 0.08);
    --shadow-lg: 0 16px 40px rgba(12, 22, 38, 0.12);
    --shadow-glow: 0 0 20px hsla(215, 80%, 22%, 0.1);
}

/* Focus Visible para Accesibilidad A11y (Teclado) */
:focus-visible {
    outline: 2px solid var(--accent-color) !important;
    outline-offset: 3px !important;
}

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

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

body {
    font-family: var(--font-primary);
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.5s ease, color 0.5s ease;
}

/* --- Scrollbar Personalizado --- */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-main);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 5px;
    border: 2px solid var(--bg-main);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

/* ==========================================================================
   ESTILOS GENERALES Y UTILIDADES
   ========================================================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}

.bg-dark {
    background-color: var(--bg-main);
}

.bg-dark-alt {
    background-color: var(--bg-alt);
}

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

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

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

.text-accent {
    color: var(--accent-color);
}

.text-green {
    color: var(--status-success);
}

.max-w-700 {
    max-width: 700px;
}

/* --- Encabezado de Sección --- */
.section-header {
    margin-bottom: 60px;
}

.section-tagline {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent-color);
    margin-bottom: 12px;
    display: block;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 16px;
}

.section-desc {
    color: var(--text-muted);
    font-size: 16px;
}

.underline {
    width: 60px;
    height: 4px;
    background-color: var(--accent-color);
    border-radius: 2px;
    margin-bottom: 24px;
}

/* --- Botones Premium --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-primary);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-decoration: none;
    padding: 14px 28px;
    border-radius: 8px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition-smooth);
    gap: 8px;
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--text-inverse);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background-color: transparent;
    border-color: var(--border-color);
    color: var(--text-main);
}

.btn-secondary:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    transform: translateY(-2px);
}

.btn-accent {
    background-color: var(--primary-color);
    border-color: var(--accent-color);
    color: var(--text-main);
}

.btn-accent:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-block {
    display: flex;
    width: 100%;
}

.badge {
    display: inline-block;
    padding: 6px 14px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    background-color: rgba(255, 170, 0, 0.12);
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
    border-radius: 50px;
    margin-bottom: 20px;
}

/* --- Grids Flexibles --- */
.grid {
    display: grid;
    gap: 30px;
}

.grid-2 {
    grid-template-columns: 1fr 1fr;
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.align-items-center {
    align-items: center;
}

.align-items-stretch {
    align-items: stretch;
}

/* ==========================================================================
   HEADER / MENU DE NAVEGACION
   ========================================================================== */
.glass-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--bg-header);
    backdrop-filter: blur(12px) saturate(180%);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    padding: 0 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 12px;
}

.logo-img {
    height: 56px;
    width: auto;
    object-fit: contain;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.logo-link:hover .logo-img {
    transform: scale(1.05);
    border-color: var(--accent-color);
}

.logo-text {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-main);
    text-transform: uppercase;
    font-family: var(--font-primary);
    transition: var(--transition-fast);
    user-select: none;
}

.logo-link:hover .logo-text {
    color: var(--accent-color);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-fast);
    position: relative;
    padding: 8px 0;
}

.nav-link:hover {
    color: var(--text-main);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: var(--transition-fast);
}

.nav-link.active {
    color: var(--text-main);
}

.nav-link.active::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* --- Alternador de Tema --- */
.theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.theme-toggle:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.sun-icon {
    display: none;
    width: 20px;
    height: 20px;
}

.moon-icon {
    display: block;
    width: 20px;
    height: 20px;
}

body.light-theme .sun-icon {
    display: block;
}

body.light-theme .moon-icon {
    display: none;
}

.btn-header {
    padding: 10px 20px;
    font-size: 13px;
}

.whatsapp-icon {
    width: 16px;
    height: 16px;
}

/* --- Botón Hamburguesa --- */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.hamburger .bar {
    width: 100%;
    height: 2px;
    background-color: var(--text-main);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding-top: 80px;
    overflow: hidden;
}

.hero-container {
    position: relative;
    z-index: 10;
}

.hero-content {
    max-width: 650px;
}

.hero-content h1 {
    font-size: 54px;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin-bottom: 24px;
    color: var(--text-main);
}

.hero-content p {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 40px;
    line-height: 1.5;
}

.hero-actions-row {
    display: flex;
    gap: 16px;
}

/* --- Indicador de Scroll --- */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--border-color);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.wheel {
    width: 4px;
    height: 8px;
    background-color: var(--accent-color);
    border-radius: 2px;
    animation: scroll-wheel 1.6s infinite ease-in-out;
}

@keyframes scroll-wheel {
    0% { transform: translateY(0); opacity: 0; }
    30% { opacity: 1; }
    100% { transform: translateY(12px); opacity: 0; }
}

/* ==========================================================================
   WHY CHOOSE US (VALORES)
   ========================================================================== */
.value-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 40px 30px;
    text-align: left;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--accent-color);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-smooth);
}

.value-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-color);
    box-shadow: var(--shadow-md);
}

.value-card:hover::before {
    transform: scaleX(1);
}

.value-card .icon-container {
    width: 60px;
    height: 60px;
    background-color: rgba(255, 170, 0, 0.1);
    color: var(--accent-color);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.value-card .icon-container svg {
    width: 30px;
    height: 30px;
}

.value-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.2px;
}

.value-card p {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.6;
}

/* ==========================================================================
   NOSOTROS SECTION
   ========================================================================== */
.about-content h2 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.2;
}

.about-content .lead {
    font-size: 18px;
    font-weight: 500;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.about-content p {
    color: var(--text-muted);
    margin-bottom: 20px;
    font-size: 15px;
}

.about-badges-row {
    display: flex;
    gap: 24px;
    margin-top: 30px;
}

.about-badge {
    background-color: var(--bg-alt);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.about-badge .badge-num {
    font-size: 28px;
    font-weight: 800;
    color: var(--accent-color);
    line-height: 1;
    margin-bottom: 4px;
}

.about-badge .badge-txt {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

.about-image-wrapper {
    position: relative;
    padding-left: 20px;
}

.glowing-border {
    position: relative;
    border-radius: 16px;
}

.glowing-border::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: 10px;
    bottom: 10px;
    border: 2px solid var(--accent-color);
    border-radius: 16px;
    z-index: 1;
    pointer-events: none;
    transition: var(--transition-smooth);
}

.rounded-card {
    border-radius: 14px;
    position: relative;
    z-index: 2;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.about-image-wrapper:hover .glowing-border::before {
    transform: translate(6px, -6px);
    border-color: var(--text-main);
}

/* ==========================================================================
   SERVICES INTERACTIVE HUB
   ========================================================================== */
.services-tab-wrapper {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
    margin-top: 40px;
}

.tab-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.tab-btn {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 16px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-family: var(--font-primary);
    font-size: 13px;
    font-weight: 700;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: var(--transition-fast);
}

.tab-btn:hover {
    color: var(--text-main);
    border-color: var(--accent-color);
    transform: translateX(4px);
}

.tab-btn.active {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--text-inverse);
}

.tab-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.tab-panels {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 40px;
    min-height: 500px;
    box-shadow: var(--shadow-md);
}

.tab-panel {
    display: none;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.tab-panel.active {
    display: block;
    opacity: 1;
}

.panel-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 40px;
    align-items: start;
}

.panel-info h3 {
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 12px;
    color: var(--text-main);
}

.panel-lead {
    font-size: 15px;
    font-weight: 500;
    color: var(--accent-color);
    margin-bottom: 24px;
}

.bullet-list {
    list-style: none;
    margin-bottom: 30px;
}

.bullet-list li {
    font-size: 14px;
    color: var(--text-muted);
    position: relative;
    padding-left: 20px;
    margin-bottom: 14px;
    line-height: 1.5;
}

.bullet-list li::before {
    content: '▪';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--accent-color);
    font-size: 16px;
}

.panel-cta {
    margin-top: 20px;
}

.panel-image {
    position: sticky;
    top: 100px;
}

/* ==========================================================================
   INTERACTIVE CALCULATOR (FACTOR DE POTENCIA)
   ========================================================================== */
.grid-2-large {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 50px;
}

.calc-card-container {
    padding-right: 20px;
}

.calc-intro {
    color: var(--text-muted);
    font-size: 15px;
    margin-bottom: 30px;
}

.calc-form {
    background-color: var(--bg-alt);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--shadow-sm);
}

.form-group {
    margin-bottom: 24px;
}

.form-label-calc {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 8px;
    display: block;
}

.input-with-unit {
    position: relative;
    display: flex;
    align-items: center;
}

.form-control-calc {
    width: 100%;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    font-family: var(--font-primary);
    font-size: 16px;
    font-weight: 700;
    padding: 12px 60px 12px 16px;
    border-radius: 8px;
    transition: var(--transition-fast);
}

.form-control-calc:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.unit {
    position: absolute;
    right: 16px;
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--accent-color);
    pointer-events: none;
}

.pf-presets {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
    flex-wrap: wrap;
}

.preset-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
}

.btn-preset {
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    font-family: var(--font-primary);
    font-size: 11px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-preset:hover {
    border-color: var(--accent-color);
    color: var(--text-main);
}

.btn-preset.active {
    background-color: rgba(255, 170, 0, 0.15);
    border-color: var(--accent-color);
    color: var(--accent-color);
    font-weight: 700;
}

.help-text {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 6px;
    display: block;
}

/* --- Resultados y Diales --- */
.results-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px 30px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    position: relative;
}

.glass-panel {
    backdrop-filter: blur(16px);
    background: hsla(220, 25%, 15%, 0.7);
}

body.light-theme .glass-panel {
    background: rgba(255, 255, 255, 0.75);
}

/* --- SVG Gauge Dial --- */
.compliance-gauge-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 30px;
}

.gauge-dial-container {
    position: relative;
    width: 200px;
    height: 110px;
}

.gauge-svg {
    width: 100%;
    height: 100%;
}

.gauge-track {
    stroke: var(--border-color);
    stroke-linecap: round;
}

.gauge-fill {
    stroke-linecap: round;
    transition: stroke-dashoffset 0.8s cubic-bezier(0.16, 1, 0.3, 1), stroke 0.5s ease;
}

.gauge-fill.critical {
    stroke: var(--status-critical);
}

.gauge-fill.warning {
    stroke: var(--status-warning);
}

.gauge-fill.success {
    stroke: var(--status-success);
}

.gauge-text {
    position: absolute;
    bottom: 5px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    display: flex;
    flex-direction: column;
}

#gauge-percent-display {
    font-size: 36px;
    font-weight: 800;
    line-height: 1;
    color: var(--text-main);
}

.gauge-label-bottom {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    margin-top: 4px;
}

.badge-status {
    display: inline-block;
    padding: 6px 16px;
    font-size: 12px;
    font-weight: 700;
    border-radius: 50px;
    margin-top: 10px;
}

.badge-status.critical {
    background-color: hsla(0, 85%, 60%, 0.15);
    color: var(--status-critical);
    border: 1px solid var(--status-critical);
}

.badge-status.warning {
    background-color: hsla(38, 95%, 55%, 0.15);
    color: var(--status-warning);
    border: 1px solid var(--status-warning);
}

.badge-status.success {
    background-color: hsla(145, 80%, 45%, 0.15);
    color: var(--status-success);
    border: 1px solid var(--status-success);
}

.calc-divider {
    border: 0;
    height: 1px;
    background: var(--border-color);
    margin: 24px 0;
}

.results-metrics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    text-align: left;
    margin-bottom: 30px;
}

.metric-item {
    display: flex;
    flex-direction: column;
}

.metric-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 4px;
    letter-spacing: 0.5px;
}

.metric-value {
    font-size: 20px;
    font-weight: 800;
    color: var(--text-main);
}

.metric-value small {
    font-size: 12px;
    font-weight: 500;
}

.calc-action-block .action-text {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

/* ==========================================================================
   CONTACT SECTION & FORMULARIOS
   ========================================================================== */
.contact-info-panel .info-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.contact-info-panel h3 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 8px;
}

.contact-info-panel .lead {
    color: var(--accent-color);
    font-weight: 600;
    font-size: 15px;
    margin-bottom: 32px;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 40px;
}

.method-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.method-icon {
    width: 48px;
    height: 48px;
    background-color: var(--bg-alt);
    border: 1px solid var(--border-color);
    color: var(--accent-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.method-icon svg {
    width: 22px;
    height: 22px;
}

.method-title {
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    display: block;
    margin-bottom: 4px;
}

.method-details p {
    font-size: 14px;
    color: var(--text-main);
    font-weight: 600;
}

.contact-link {
    color: var(--text-main);
    text-decoration: none;
    transition: var(--transition-fast);
}

.contact-link:hover {
    color: var(--accent-color);
}

/* --- Mapa de Guadalajara Estilizado --- */
.map-placeholder {
    margin-top: auto;
    background-color: var(--bg-alt);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 24px;
    text-align: left;
    position: relative;
    overflow: hidden;
}

.map-placeholder::before {
    content: '';
    position: absolute;
    right: -20px;
    bottom: -20px;
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    pointer-events: none;
}

.map-badge {
    display: inline-block;
    padding: 4px 10px;
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
    background-color: var(--accent-color);
    color: var(--text-inverse);
    border-radius: 4px;
    margin-bottom: 12px;
}

.map-text {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.5;
}

/* --- Formulario de Contacto Flotante --- */
.form-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
}

.form-card h3 {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 8px;
}

.form-card p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 30px;
}

.interactive-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* --- Input flotante estilo material --- */
.form-group-floating {
    position: relative;
    width: 100%;
}

.floating-input {
    width: 100%;
    background-color: var(--bg-alt);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    font-family: var(--font-primary);
    font-size: 14px;
    padding: 18px 16px 6px 16px;
    border-radius: 8px;
    outline: none;
    transition: var(--transition-fast);
}

.floating-input:focus {
    border-color: var(--accent-color);
    background-color: var(--bg-main);
}

.floating-label {
    position: absolute;
    top: 50%;
    left: 16px;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
    pointer-events: none;
    transition: var(--transition-fast);
}

/* Animaciones flotantes */
.floating-input:focus ~ .floating-label,
.floating-input:not(:placeholder-shown) ~ .floating-label {
    top: 10px;
    font-size: 10px;
    font-weight: 700;
    color: var(--accent-color);
    transform: translateY(0);
}

/* Dropdown select especial */
.select-group select {
    appearance: none;
    cursor: pointer;
}

.select-group::after {
    content: '▼';
    font-size: 8px;
    color: var(--text-muted);
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
}

.floating-input:focus ~ .floating-label,
.select-group select:valid ~ .floating-label {
    top: 10px;
    font-size: 10px;
    font-weight: 700;
    color: var(--accent-color);
    transform: translateY(0);
}

/* Textarea especial */
.floating-textarea {
    min-height: 120px;
    resize: vertical;
}

.textarea-group .floating-label {
    top: 24px;
    transform: none;
}

.floating-textarea:focus ~ .floating-label,
.floating-textarea:not(:placeholder-shown) ~ .floating-label {
    top: 10px;
}

.btn-submit {
    padding: 16px;
    font-size: 15px;
    margin-top: 10px;
}

.send-icon {
    width: 16px;
    height: 16px;
}

/* --- Toast de Éxito --- */
.success-toast {
    margin-top: 20px;
    background-color: hsla(145, 80%, 45%, 0.1);
    border: 1px solid var(--status-success);
    border-radius: 8px;
    padding: 16px;
    transition: var(--transition-smooth);
}

.success-toast.hidden {
    display: none;
}

.toast-content {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.check-icon {
    width: 24px;
    height: 24px;
    color: var(--status-success);
    flex-shrink: 0;
}

.toast-text h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 2px;
}

.toast-text p {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 0;
}

/* ==========================================================================
   FOOTER SECTION
   ========================================================================== */
.footer-section {
    background-color: var(--bg-alt);
    border-top: 1px solid var(--border-color);
    padding: 80px 0 30px 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-logo-img {
    height: 56px;
    width: auto;
    object-fit: contain;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.footer-logo-link:hover .footer-logo-img {
    transform: scale(1.05);
    border-color: var(--accent-color);
}

.footer-logo-text {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-main);
    text-transform: uppercase;
    font-family: var(--font-primary);
    transition: var(--transition-fast);
    user-select: none;
}

.footer-logo-link:hover .footer-logo-text {
    color: var(--accent-color);
}

.brand-desc {
    color: var(--text-muted);
    font-size: 13px;
    line-height: 1.6;
    margin-bottom: 24px;
}

.mexican-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    padding: 8px 14px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 700;
}

.flag-icon {
    width: 20px;
    height: 13px;
    border-radius: 2px;
}

.links-col h4,
.compliance-col h4 {
    font-size: 14px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-main);
    margin-bottom: 24px;
}

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

.links-col ul li {
    margin-bottom: 12px;
}

.links-col ul li a {
    color: var(--text-muted);
    font-size: 13px;
    text-decoration: none;
    transition: var(--transition-fast);
}

.links-col ul li a:hover {
    color: var(--accent-color);
    padding-left: 4px;
}

.compliance-text {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 20px;
}

.standards-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.standard-tag {
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    transition: var(--transition-fast);
}

.standard-tag:hover {
    color: var(--accent-color);
    border-color: var(--accent-color);
}

.footer-divider {
    border: 0;
    height: 1px;
    background: var(--border-color);
    margin-bottom: 30px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    font-size: 12px;
    color: var(--text-muted);
}

.back-to-top {
    font-size: 12px;
    font-weight: 700;
    color: var(--accent-color);
    text-decoration: none;
    transition: var(--transition-fast);
}

.back-to-top:hover {
    color: var(--text-main);
}

/* ==========================================================================
   GALERÍA DE PROYECTOS REALIZADOS
   ========================================================================== */
.grid-4-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.gallery-item-card {
    position: relative;
    height: 420px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    background-color: var(--bg-card);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
}

.gallery-item-card:hover {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-glow);
    transform: translateY(-6px);
}

.gallery-img-container {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.gallery-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-item-card:hover .gallery-img {
    transform: scale(1.08);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(12, 22, 38, 0.95) 0%, rgba(12, 22, 38, 0.4) 60%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
    transition: var(--transition-smooth);
}

.gallery-category {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent-color);
    margin-bottom: 6px;
    display: block;
}

.gallery-overlay h4 {
    font-size: 18px;
    font-weight: 800;
    color: #ffffff;
    line-height: 1.3;
}

.gallery-overlay p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.4;
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: opacity 0.4s ease, max-height 0.4s ease, margin-top 0.3s ease;
    margin-top: 0;
}

.gallery-item-card:hover .gallery-overlay p {
    opacity: 1;
    max-height: 80px;
    margin-top: 8px;
}

/* ==========================================================================
   RESPONSIVIDAD Y ADAPTACIONES PARA DISPOSITIVOS MOVILES
   ========================================================================== */

/* --- Tablet / Pantallas Medianas (max-width: 1024px) --- */
@media (max-width: 1024px) {
    .grid-3 {
        grid-template-columns: 1fr 1fr;
    }
    
    .services-tab-wrapper {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .tab-buttons {
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .tab-btn {
        flex: 1 1 200px;
    }
    
    .grid-2-large {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .calc-card-container {
        padding-right: 0;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    
    .compliance-col {
        grid-column: span 2;
    }
}

/* --- Mobile / Pantallas Pequeñas (max-width: 768px) --- */
@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
    
    .grid-2 {
        grid-template-columns: 1fr;
    }
    
    .grid-3 {
        grid-template-columns: 1fr;
    }
    
    /* Header & Navigation */
    .header-container {
        padding: 0 20px;
    }
    
    .logo-img {
        height: 44px;
    }
    
    .logo-text {
        font-size: 15px;
    }
    
    .hamburger {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--bg-main);
        flex-direction: column;
        align-items: center;
        padding-top: 60px;
        gap: 40px;
        transition: var(--transition-smooth);
        border-top: 1px solid var(--border-color);
        z-index: 999;
    }
    
    .nav-links.mobile-active {
        left: 0;
    }
    
    .btn-header {
        display: none; /* Se oculta en el header para moviles */
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    /* Hero Section */
    .hero-section {
        min-height: 85vh;
        padding-top: 100px;
    }
    
    .hero-content h1 {
        font-size: 36px;
        letter-spacing: -1px;
    }
    
    .hero-content p {
        font-size: 15px;
    }
    
    .hero-actions-row {
        flex-direction: column;
        gap: 12px;
    }
    
    /* About */
    .about-image-wrapper {
        padding-left: 0;
        margin-top: 40px;
    }
    
    .about-badges-row {
        flex-direction: column;
        gap: 15px;
    }
    
    /* Services Panel */
    .tab-panels {
        padding: 24px;
    }
    
    .panel-layout {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .panel-image {
        display: none; /* Se oculta imagen decorativa para simplificar en movil */
    }
    
    /* Form */
    .form-row-2 {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .form-card {
        padding: 24px;
    }
    
    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .compliance-col {
        grid-column: span 1;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}