/* 1. TIPOGRAFÍA CORPORATIVA */
        @font-face {
            font-family: 'Slaberlin';
            src: url('../Slaberlin.ttf') format('truetype'); 
            font-weight: normal;
            font-style: normal;
        }

        /* 2. VARIABLES DE COLOR (LIGHT MODE PREMIUM) */
        :root {
            --color-naranja: #D96B27;
            --color-naranja-brillante: #ff7e2e;
            --color-fondo-principal: #FAFAFA; /* Blanco roto premium */
            --color-fondo-secundario: #F1F5F9; /* Gris azulado muy claro */
            --color-texto-principal: #334155; /* Gris oscuro para lectura cómoda */
            --color-texto-secundario: #64748b; /* Gris medio */
            --color-blanco: #ffffff;
            --color-negro-puro: #0f172a; /* Azul marino casi negro para títulos */
        }

        /* 3. RESET Y ESTILOS GLOBALES */
        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        
        body {
            font-family: 'Inter', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; 
            color: var(--color-texto-principal);
            background-color: var(--color-fondo-principal);
            line-height: 1.7;
            overflow-x: hidden;
            position: relative; 
        }

        h1, h2, h3, h4, .fuente-marca { 
            font-family: 'Slaberlin', serif; 
            color: var(--color-negro-puro); 
            font-weight: normal; 
            letter-spacing: 0.5px;
        }

        /* 4. EFECTO HALFTONE LIGHT */
        .halftone-bg {
            position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
            pointer-events: none; z-index: -1;
            background-image:
                radial-gradient(circle at center, rgba(15,23,42,0.06) 2px, transparent 2.5px),
                radial-gradient(circle at center, rgba(217, 107, 39, 0.08) 2px, transparent 2.5px);
            background-size: 24px 24px, 24px 24px; background-position: 0 0, 12px 12px;
            -webkit-mask-image: radial-gradient(circle 800px at top right, black 10%, transparent 70%), radial-gradient(circle 600px at bottom left, black 10%, transparent 60%);
            mask-image: radial-gradient(circle 800px at top right, black 10%, transparent 70%), radial-gradient(circle 600px at bottom left, black 10%, transparent 60%);
        }

        /* 5. ANIMACIONES */
        .fade-up {
            opacity: 0; transform: translateY(30px);
            transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
        }
        .fade-up.visible { opacity: 1; transform: translateY(0); }
        .fade-up.fade-left { transform: translateX(-36px); }
        .fade-up.fade-right { transform: translateX(36px); }
        .fade-up.fade-left.visible, .fade-up.fade-right.visible { transform: translateX(0); }

        .scroll-progress {
            position: fixed; inset: 0 auto auto 0; z-index: 1100;
            width: 100%; height: 3px; pointer-events: none;
            background: var(--color-naranja-brillante);
            box-shadow: 0 1px 8px rgba(217, 107, 39, 0.35);
            transform: scaleX(var(--scroll-progress, 0)); transform-origin: left center;
        }

        /* 6. HEADER BLANCO FLOTANTE */
        header {
            position: fixed; width: 100%; top: 0; z-index: 1000;
            display: flex; justify-content: space-between; align-items: center;
            padding: 15px 50px; background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }
        header.scrolled { padding-top: 8px; padding-bottom: 8px; box-shadow: 0 5px 22px rgba(0,0,0,0.09); }
        .logo img { height: 55px; transition: transform 0.3s; }
        header.scrolled .logo img { height: 43px; }
        .logo img:hover { transform: scale(1.05); }
        nav ul { list-style: none; display: flex; gap: 35px; align-items: center; }
        nav ul li a {
            text-decoration: none; color: var(--color-negro-puro); font-size: 0.95rem;
            font-weight: 600; text-transform: uppercase; letter-spacing: 1px;
            transition: color 0.3s;
        }
        nav ul li a:hover { color: var(--color-naranja); }
        .btn-nav {
            background-color: var(--color-naranja); color: var(--color-blanco) !important;
            padding: 10px 25px; border-radius: 4px; border: 2px solid var(--color-naranja);
            transition: all 0.3s !important;
        }
        .btn-nav:hover { background-color: transparent; color: var(--color-naranja) !important; }

        /* 7. HERO SECTION LIGHT */
        .hero {
            min-height: 100vh; display: flex; align-items: center;
            background: linear-gradient(135deg, rgba(250,250,250,0.92) 0%, rgba(250,250,250,0.6) 100%), url('../img/hero-bg.jpg') center/cover fixed;
            padding: 120px 10% 60px;
        }
        .hero-content { max-width: 900px; }
        .hero-etiqueta {
            display: inline-block; padding: 8px 16px; background: rgba(217, 107, 39, 0.1);
            color: var(--color-naranja); border: 1px solid rgba(217, 107, 39, 0.2);
            border-radius: 50px; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 2px;
            margin-bottom: 25px; font-weight: bold;
        }
        .hero h1 { font-size: 4.5rem; margin-bottom: 25px; line-height: 1.1; color: var(--color-negro-puro); }
        .hero h1 span { color: var(--color-naranja); }
        .hero p { font-size: 1.3rem; margin-bottom: 45px; color: var(--color-texto-principal); max-width: 700px; }
        .hero-botones { display: flex; gap: 20px; flex-wrap: wrap; }
        .btn-primario {
            padding: 18px 40px; background-color: var(--color-naranja); color: var(--color-blanco);
            text-decoration: none; font-size: 1.1rem; font-weight: bold; text-transform: uppercase; letter-spacing: 1px;
            border-radius: 4px; transition: all 0.3s; border: 2px solid var(--color-naranja);
            box-shadow: 0 10px 20px rgba(217, 107, 39, 0.2);
        }
        .btn-primario:hover { background-color: transparent; color: var(--color-naranja); box-shadow: none; }
        .btn-secundario {
            padding: 18px 40px; background-color: transparent; color: var(--color-negro-puro);
            text-decoration: none; font-size: 1.1rem; font-weight: bold; text-transform: uppercase; letter-spacing: 1px;
            border-radius: 4px; transition: all 0.3s; border: 2px solid var(--color-negro-puro);
        }
        .btn-secundario:hover { border-color: var(--color-naranja); color: var(--color-naranja); }


        /* 8. BARRA DE CONFIANZA */
        .trust-bar {
            background-color: var(--color-fondo-secundario); padding: 40px 10%;
            border-top: 1px solid rgba(0,0,0,0.05); border-bottom: 1px solid rgba(0,0,0,0.05);
            text-align: center;
        }
        .trust-bar p { font-size: 0.9rem; text-transform: uppercase; letter-spacing: 2px; color: var(--color-texto-secundario); margin-bottom: 20px; font-weight: bold; }
        .logos-container { display: flex; justify-content: space-around; align-items: center; flex-wrap: wrap; gap: 30px; opacity: 0.4; filter: grayscale(100%); }
        .logos-container h4 { font-family: 'Helvetica', sans-serif; font-size: 1.5rem; font-weight: bold; color: var(--color-negro-puro); }

        /* Títulos de Sección Globales */
        .seccion-header { margin-bottom: 60px; display: flex; flex-direction: column; align-items: flex-start; position: relative; z-index: 2; }
        .seccion-header h2 { font-size: 3rem; margin-bottom: 15px; position: relative; padding-bottom: 20px; }
        .seccion-header h2::after {
            content: ''; position: absolute; left: 0; bottom: 0; width: 80px; height: 4px; background-color: var(--color-naranja);
        }
        .seccion-header p { font-size: 1.15rem; color: var(--color-texto-secundario); max-width: 600px; }

        /* 9. SECCIÓN: FILOSOFÍA / NOSOTROS */
        .filosofia { padding: 120px 10%; display: flex; gap: 60px; align-items: center; position: relative; z-index: 2; }
        .filosofia-texto { flex: 1; }
        .filosofia-texto h2 { font-size: 3rem; margin-bottom: 20px; line-height: 1.2; }
        .filosofia-texto h2 span { color: var(--color-naranja); }
        .filosofia-texto p { font-size: 1.1rem; margin-bottom: 20px; }
        .filosofia-img { flex: 1; position: relative; border-radius: 12px; overflow: hidden; box-shadow: 0 20px 50px rgba(0,0,0,0.15); }
        .filosofia-img img { width: 100%; height: auto; display: block; transition: transform 0.8s ease; }
        .filosofia-img:hover img { transform: scale(1.05); }
        .filosofia-img::after { content: ''; position: absolute; inset: 0; border: 2px solid rgba(217, 107, 39, 0.3); border-radius: 12px; pointer-events: none; }

        /* 10. SERVICIOS (GLASSMORPHISM LIGHT) */
        .servicios { padding: 80px 10% 120px; position: relative; z-index: 2; }
        .grid-servicios { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 40px; }
        .card-servicio {
            background: rgba(255, 255, 255, 0.7); backdrop-filter: blur(12px);
            border: 1px solid rgba(255,255,255,0.8); border-radius: 12px; padding: 50px 40px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.04);
            transition: all 0.4s ease; position: relative; overflow: hidden;
        }
        .card-servicio::before {
            content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 4px;
            background: var(--color-naranja); transform: scaleX(0); transform-origin: left; transition: transform 0.4s ease;
        }
        .card-servicio:hover { transform: translateY(-10px); background: rgba(255, 255, 255, 0.95); box-shadow: 0 20px 40px rgba(0,0,0,0.08); }
        .card-servicio:hover::before { transform: scaleX(1); }
        
        .card-num { font-family: 'Slaberlin', serif; font-size: 3rem; color: rgba(0,0,0,0.04); position: absolute; top: 20px; right: 30px; line-height: 1; transition: color 0.4s; font-weight: bold; }
        .card-servicio:hover .card-num { color: rgba(217, 107, 39, 0.1); }
        
        .card-servicio h3 { font-size: 1.8rem; margin-bottom: 20px; color: var(--color-negro-puro); }
        .card-servicio p { color: var(--color-texto-secundario); margin-bottom: 30px; font-size: 1.05rem; }
        .lista-entregables { list-style: none; margin-bottom: 30px; }
        .lista-entregables li { margin-bottom: 12px; display: flex; align-items: flex-start; gap: 10px; font-size: 0.95rem; font-weight: 500; }
        .lista-entregables li::before { content: '→'; color: var(--color-naranja); font-weight: bold; }
        .service-open {
            display: inline-flex; align-items: center; gap: 9px; padding: 0; border: 0;
            background: none; color: var(--color-naranja); font: inherit; font-weight: 700;
            cursor: pointer; transition: color 0.2s ease;
        }
        .service-open span { transition: transform 0.2s ease; }
        .service-open:hover { color: var(--color-negro-puro); }
        .service-open:hover span { transform: translateX(4px); }
        .service-open:focus-visible, .service-dialog button:focus-visible, .service-dialog a:focus-visible {
            outline: 3px solid rgba(217, 107, 39, 0.45); outline-offset: 4px;
        }

        .service-dialog {
            width: min(680px, calc(100% - 32px)); max-height: min(82vh, 760px); overflow-y: auto;
            margin: auto; padding: 0; border: 1px solid rgba(15, 23, 42, 0.1); border-radius: 8px;
            color: var(--color-texto-principal); background: var(--color-blanco);
            box-shadow: 0 28px 80px rgba(15, 23, 42, 0.24);
        }
        .service-dialog[open] { animation: service-dialog-entry 0.22s ease-out both; }
        .service-dialog::backdrop { background: rgba(15, 23, 42, 0.58); backdrop-filter: blur(4px); }
        .service-dialog-head {
            display: flex; justify-content: space-between; align-items: center; gap: 20px;
            padding: 22px 30px; border-bottom: 1px solid rgba(15, 23, 42, 0.08);
        }
        .service-dialog-index { color: var(--color-naranja); font-size: 0.78rem; font-weight: 700; text-transform: uppercase; }
        .service-dialog-close {
            display: inline-flex; align-items: center; gap: 8px; padding: 6px 0;
            border: 0; background: none; color: var(--color-texto-secundario); font: inherit;
            cursor: pointer; transition: color 0.2s ease;
        }
        .service-dialog-close:hover { color: var(--color-negro-puro); }
        .service-dialog-close span { font-size: 1.4rem; line-height: 1; }
        .service-dialog-body { padding: 34px 38px 38px; }
        .service-dialog-body h2 { margin-bottom: 14px; font-size: 2.2rem; line-height: 1.15; }
        .service-dialog-description { margin-bottom: 28px; color: var(--color-texto-secundario); font-size: 1.05rem; }
        .service-dialog-body h3 { margin-bottom: 15px; font-family: inherit; font-size: 0.9rem; font-weight: 700; text-transform: uppercase; }
        .service-dialog-body .lista-entregables { margin-bottom: 0; }
        .service-dialog-footer {
            display: flex; justify-content: flex-end; padding: 20px 38px;
            border-top: 1px solid rgba(15, 23, 42, 0.08); background: var(--color-fondo-secundario);
        }
        .service-dialog-contact {
            display: inline-flex; align-items: center; gap: 10px; color: var(--color-naranja);
            font-weight: 700; text-decoration: none; transition: color 0.2s ease;
        }
        .service-dialog-contact:hover { color: var(--color-negro-puro); }
        @keyframes service-dialog-entry {
            from { opacity: 0; transform: translateY(12px) scale(0.99); }
            to { opacity: 1; transform: translateY(0) scale(1); }
        }

        /* 11. CASOS DE ÉXITO (GALERÍA VISUAL) */
        .casos-exito { padding: 100px 10%; background-color: var(--color-fondo-secundario); position: relative; z-index: 2; border-top: 1px solid rgba(0,0,0,0.03); border-bottom: 1px solid rgba(0,0,0,0.03); }
        .grid-casos { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; margin-top: 40px; }
        .card-caso {
            position: relative; height: 420px; border-radius: 12px; overflow: hidden;
            box-shadow: 0 15px 35px rgba(0,0,0,0.1); cursor: pointer;
        }
        .card-caso img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s ease; }
        
        /* El overlay se mantiene oscuro para que el texto blanco sea legible sobre cualquier foto */
        .card-caso-overlay {
            position: absolute; inset: 0; background: linear-gradient(to top, rgba(15,23,42,0.95) 0%, rgba(15,23,42,0.1) 100%);
            display: flex; flex-direction: column; justify-content: flex-end; padding: 35px; transition: background 0.4s;
        }
        .card-caso:hover img { transform: scale(1.1); }
        .card-caso:hover .card-caso-overlay { background: linear-gradient(to top, rgba(15,23,42,0.98) 0%, rgba(15,23,42,0.3) 100%); }
        .categoria-caso { color: var(--color-naranja-brillante); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1px; font-weight: bold; margin-bottom: 10px; }
        .card-caso h3 { font-size: 1.6rem; color: var(--color-blanco); margin-bottom: 15px; }
        .card-caso p { color: rgba(255,255,255,0.8); font-size: 0.95rem; opacity: 0; transform: translateY(20px); transition: all 0.4s ease; }
        .card-caso:hover p { opacity: 1; transform: translateY(0); }

        /* 12. PREGUNTAS FRECUENTES (FAQ) */
        .faq-section { padding: 120px 10%; position: relative; z-index: 2; }
        .faq-container { max-width: 800px; margin: 0 auto; }
        details {
            background: var(--color-blanco); border: 1px solid rgba(0,0,0,0.05);
            border-radius: 8px; margin-bottom: 20px; overflow: hidden; transition: all 0.3s;
            box-shadow: 0 4px 6px rgba(0,0,0,0.02);
        }
        summary {
            padding: 25px 30px; font-size: 1.2rem; font-weight: bold; color: var(--color-negro-puro);
            cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center;
        }
        summary::-webkit-details-marker { display: none; }
        summary::after { content: '+'; color: var(--color-naranja); font-size: 1.5rem; transition: transform 0.3s; }
        details[open] summary::after { content: '−'; transform: rotate(180deg); }
        details[open] { border-color: rgba(217, 107, 39, 0.3); box-shadow: 0 10px 20px rgba(0,0,0,0.05); }
        .faq-content { padding: 0 30px 30px; color: var(--color-texto-secundario); }

        /* 13. CONTACTO LIGHT THEME */
        .contacto { padding: 120px 10%; display: flex; gap: 60px; background-color: var(--color-fondo-secundario); position: relative; z-index: 2; }
        .contacto-info { flex: 1; }
        .contacto-info p { color: var(--color-texto-secundario); font-size: 1.15rem; margin-bottom: 40px; }
        .info-card { background: var(--color-blanco); padding: 30px; border-radius: 8px; margin-bottom: 20px; border-left: 4px solid var(--color-naranja); box-shadow: 0 10px 20px rgba(0,0,0,0.03); }
        .info-card h4 { font-size: 1.1rem; margin-bottom: 5px; color: var(--color-negro-puro); font-family: 'Inter', sans-serif; font-weight: bold; }
        .info-card p { margin: 0; font-size: 1rem; color: var(--color-texto-secundario); }

        .contacto-form { flex: 1.2; background: var(--color-blanco); padding: 50px; border-radius: 12px; border: 1px solid rgba(0,0,0,0.05); box-shadow: 0 20px 40px rgba(0,0,0,0.06); }
        .input-light {
            width: 100%; background: var(--color-fondo-secundario); border: 1px solid rgba(0,0,0,0.05);
            color: var(--color-texto-principal); padding: 18px 20px; font-size: 1rem; border-radius: 6px; margin-bottom: 25px;
            font-family: inherit; transition: all 0.3s;
        }
        .input-light:focus { outline: none; border-color: var(--color-naranja); box-shadow: 0 0 0 3px rgba(217, 107, 39, 0.1); background: var(--color-blanco); }
        textarea.input-light { height: 150px; resize: vertical; }
        .contacto-form #contacto-estado { margin-bottom: 20px; color: var(--color-texto-principal); }
        .btn-primario:disabled { opacity: 0.65; cursor: wait; }
        .form-honeypot {
            position: absolute !important; left: -10000px !important;
            width: 1px; height: 1px; overflow: hidden;
        }

        /* 14. FOOTER DARK (Para anclar el diseño visualmente) */
        footer { background-color: #0b1014; padding: 60px 10% 30px; position: relative; z-index: 2; }
        .footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 40px; margin-bottom: 40px; }
        .footer-col h4 { font-size: 1.2rem; margin-bottom: 25px; color: var(--color-blanco); }
        .footer-col ul { list-style: none; }
        .footer-col ul li { margin-bottom: 12px; color: #94a3b8; font-size: 0.95rem; transition: color 0.3s; }
        .footer-col ul li:hover { color: var(--color-naranja); }
        .footer-col ul a { color: inherit; text-decoration: none; }
        .footer-col ul a:focus-visible { outline: 2px solid var(--color-naranja-brillante); outline-offset: 3px; }
        .footer-bottom { text-align: center; padding-top: 30px; border-top: 1px solid rgba(255,255,255,0.05); color: #94a3b8; font-size: 0.9rem; }

        /* 15. RESPONSIVE */
        @media (min-width: 769px) and (max-width: 950px) {
            header { padding-left: 18px; padding-right: 18px; }
            nav ul { gap: 18px; }
            nav ul li a { font-size: 0.82rem; letter-spacing: 0.6px; }
            .btn-nav { padding: 9px 15px; }
        }
        @media (max-width: 1024px) {
            .filosofia { flex-direction: column; }
            .contacto { flex-direction: column; }
            .hero h1 { font-size: 3.8rem; }
        }
        @media (max-width: 768px) {
            header { flex-direction: column; padding: 15px 20px; gap: 15px; }
            header.scrolled { padding: 8px 20px; gap: 8px; }
            nav ul { flex-wrap: wrap; justify-content: center; gap: 15px; }
            .btn-nav { display: none; }
            .hero { padding-top: 140px; text-align: center; }
            .hero h1 { font-size: 2.8rem; }
            .hero-botones { justify-content: center; }
            .seccion-header { align-items: center; text-align: center; }
            .seccion-header h2::after { left: 50%; transform: translateX(-50%); }
            .card-servicio, .contacto-form { padding: 30px 20px; }
            .filosofia { padding: 80px 20px; }
            .service-dialog-head { padding: 18px 20px; }
            .service-dialog-body { padding: 28px 22px; }
            .service-dialog-body h2 { font-size: 1.8rem; }
            .service-dialog-footer { padding: 18px 22px; }
        }

        @media (prefers-reduced-motion: reduce) {
            html { scroll-behavior: auto; }
            .fade-up, .fade-up.fade-left, .fade-up.fade-right {
                opacity: 1; transform: none; transition: none;
            }
            header, .logo img, .scroll-progress { transition: none; }
            .service-dialog[open] { animation: none; }
            .service-open span { transition: none; }
        }