:root {
    --bg-main: #060913;
    --bg-card: rgba(15, 23, 42, 0.7);
    --bg-darker: #02040a;
    --primary: #00f2fe; /* Neon Cyan */
    --secondary: #4facfe; /* Electric Blue */
    --accent: #10b981; /* Green energy */
    --accent-glow: rgba(16, 185, 129, 0.2);
    --primary-glow: rgba(0, 242, 254, 0.15);
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --border: rgba(255, 255, 255, 0.06);
    --radius: 16px;
    --radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-title: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-body), sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    background-image: 
        radial-gradient(at 10% 10%, rgba(0, 242, 254, 0.05) 0px, transparent 40%),
        radial-gradient(at 90% 90%, rgba(16, 185, 129, 0.04) 0px, transparent 40%);
    background-attachment: fixed;
}

.container {
    max-width: 1720px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header & Nav */
header {
    background-color: rgba(6, 9, 19, 0.75);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.promo-bar {
    background: linear-gradient(90deg, #050a1a, #02040a, #050a1a);
    color: #00f2fe;
    text-align: center;
    padding: 0.6rem 1rem;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    border-bottom: 1px solid rgba(0,242,254,0.25);
    text-shadow: 0 0 8px rgba(0, 242, 254, 0.5);
    width: 100%;
    box-shadow: 0 1px 15px rgba(0, 242, 254, 0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-family: var(--font-title), sans-serif;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-main);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    letter-spacing: -0.03em;
}

.logo span {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-bolt {
    color: var(--accent);
    filter: drop-shadow(0 0 5px var(--accent));
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--primary);
    text-shadow: 0 0 8px rgba(0, 242, 254, 0.4);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-title), sans-serif;
    font-weight: 600;
    border-radius: var(--radius-sm);
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--bg-darker);
    font-weight: 700;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 22px rgba(0, 242, 254, 0.4);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.04);
    color: var(--text-main);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.08);
    border-color: var(--primary);
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    padding: 6rem 0;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 4rem;
    align-items: center;
}

@media (max-width: 900px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: rgba(0, 242, 254, 0.08);
    border: 1px solid rgba(0, 242, 254, 0.2);
    color: var(--primary);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.4rem 1rem;
    border-radius: 9999px;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-family: var(--font-title), sans-serif;
    font-size: 3.25rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero-title span {
    background: linear-gradient(135deg, var(--primary) 30%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

@media (max-width: 900px) {
    .hero-actions {
        justify-content: center;
    }
}

.hero-img-box {
    position: relative;
}

.hero-img-box::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: var(--radius);
    z-index: -1;
    filter: blur(15px);
    opacity: 0.15;
}

.hero-img {
    width: 100%;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    max-height: 460px;
    object-fit: cover;
}

/* Sections */
.section {
    padding: 6rem 0;
}

.section-dark {
    background-color: var(--bg-darker);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

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

.section-title {
    font-family: var(--font-title), sans-serif;
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
}

.section-desc {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* Services cards */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.5rem 2rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 242, 254, 0.3);
    box-shadow: 0 15px 30px rgba(0, 242, 254, 0.05);
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary);
    text-shadow: 0 0 10px var(--primary-glow);
}

.service-name {
    font-family: var(--font-title), sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.service-text {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.service-btn {
    background: none;
    border: none;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.service-btn:hover {
    color: var(--text-main);
    transform: translateX(3px);
}

/* Simulator Section */
.sim-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 3rem;
    backdrop-filter: blur(10px);
}

.sim-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

@media (max-width: 768px) {
    .sim-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

.sim-inputs {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.form-group label {
    font-size: 0.8rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

.form-group input, .form-group select, .form-group textarea {
    padding: 0.9rem 1.2rem;
    background-color: rgba(2, 4, 10, 0.6);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.sim-results {
    background: rgba(2, 4, 10, 0.4);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.sim-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.95rem;
}

.sim-row span:first-child {
    color: var(--text-muted);
}

.sim-row span:last-child {
    font-weight: 600;
}

.sim-divider {
    height: 1px;
    background-color: var(--border);
}

.sim-highlight {
    font-family: var(--font-title), sans-serif;
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    text-shadow: 0 0 10px var(--accent-glow);
}

.eco-badge {
    background-color: rgba(16, 185, 129, 0.06);
    border: 1px dashed rgba(16, 185, 129, 0.25);
    color: var(--accent);
    padding: 0.75rem 1rem;
    border-radius: 6px;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 600;
}

/* Filiales Holding Section */
.filiales-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

@media (max-width: 900px) {
    .filiales-grid {
        grid-template-columns: 1fr;
    }
}

.filial-card {
    background: linear-gradient(180deg, rgba(255,255,255,0.01) 0%, rgba(255,255,255,0.03) 100%);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
}

.filial-card:hover {
    border-color: rgba(0, 242, 254, 0.25);
    transform: translateY(-4px);
}

.filial-logo {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.filial-name {
    font-family: var(--font-title), sans-serif;
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.filial-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Contact/Auditoría Form box */
.audit-box {
    background: linear-gradient(135deg, #091326 0%, #030814 100%);
    border: 1px solid rgba(0, 242, 254, 0.1);
    border-radius: var(--radius);
    padding: 3.5rem;
    position: relative;
    overflow: hidden;
}

.audit-box::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(0, 242, 254, 0.05) 0%, transparent 60%);
    z-index: 1;
}

.audit-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    position: relative;
    z-index: 2;
}

@media (max-width: 768px) {
    .audit-form-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

.audit-form-grid .rfq-full {
    grid-column: 1 / -1;
}

/* Chat bubble */
.chat-widget {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 1000;
}

.chat-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--bg-darker);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 4px 20px var(--primary-glow);
    transition: var(--transition);
}

.chat-btn:hover {
    transform: scale(1.05) rotate(5deg);
    box-shadow: 0 6px 25px rgba(0, 242, 254, 0.4);
}

.chat-box {
    position: absolute;
    bottom: 75px;
    right: 0;
    width: 340px;
    background-color: #0f172a;
    border-radius: var(--radius);
    box-shadow: 0 15px 35px rgba(0,0,0,0.5);
    border: 1px solid var(--border);
    display: none;
    flex-direction: column;
    overflow: hidden;
}

.chat-header {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border-bottom: 1px solid var(--border);
    color: var(--text-main);
    padding: 1.25rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-header h4 {
    font-family: var(--font-title), sans-serif;
    font-size: 1rem;
    font-weight: 700;
}

.chat-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.25rem;
}

.chat-messages {
    padding: 1.25rem;
    height: 250px;
    overflow-y: auto;
    background-color: #080c14;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.msg {
    max-width: 85%;
    padding: 0.6rem 0.9rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    line-height: 1.4;
}

.msg-bot {
    background-color: #1e293b;
    color: var(--text-main);
    align-self: flex-start;
    border: 1px solid var(--border);
}

.msg-user {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--bg-darker);
    font-weight: 600;
    align-self: flex-end;
}

.chat-options {
    padding: 0.75rem;
    background-color: #0f172a;
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.chat-opt {
    background-color: rgba(255,255,255,0.02);
    border: 1px solid var(--border);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary);
    cursor: pointer;
    text-align: left;
    transition: var(--transition);
}

.chat-opt:hover {
    background-color: rgba(0, 242, 254, 0.05);
    border-color: var(--primary);
}

/* Modal styling */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(2, 4, 10, 0.85);
    backdrop-filter: blur(6px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.modal.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background-color: #0f172a;
    border: 1px solid rgba(0, 242, 254, 0.2);
    border-radius: var(--radius);
    padding: 3rem;
    max-width: 480px;
    width: 90%;
    text-align: center;
    box-shadow: 0 25px 50px -12px rgba(0, 242, 254, 0.15);
    transform: scale(0.95);
    transition: var(--transition);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-icon {
    width: 64px;
    height: 64px;
    background-color: rgba(0, 242, 254, 0.08);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1.5rem auto;
    filter: drop-shadow(0 0 10px rgba(0, 242, 254, 0.2));
}

.modal-title {
    font-family: var(--font-title), sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 0.75rem;
}

.modal-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

/* Footer styling */
footer {
    background-color: var(--bg-darker);
    color: var(--text-muted);
    padding: 4rem 0 2rem 0;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}

@media (max-width: 900px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 500px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

.footer-col h4 {
    color: var(--text-main);
    font-family: var(--font-title), sans-serif;
    margin-bottom: 1.25rem;
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-col a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

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

/* ==========================================
   NUEVAS CLASES: HOLDING EXPLORER Y SIMULADOR
   ========================================== */

/* Glassmorphism Panel Neon Glow */
.glass-panel-neon {
    background: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 242, 254, 0.15) !important;
    box-shadow: 
        0 15px 35px rgba(0, 0, 0, 0.2),
        0 0 25px rgba(0, 242, 254, 0.05);
}

/* Tabs System styles */
.tabs-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 3rem;
}

.tabs-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    border-bottom: 1px solid var(--border);
    padding-bottom: 1.5rem;
}

.tab-btn {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border);
    padding: 0.85rem 1.75rem;
    font-family: var(--font-title), sans-serif;
    font-weight: 600;
    color: var(--text-muted);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-size: 0.95rem;
}

.tab-btn i {
    font-size: 1.1rem;
    transition: var(--transition);
}

.tab-btn:hover {
    background: rgba(0, 242, 254, 0.04);
    border-color: rgba(0, 242, 254, 0.3);
    color: var(--text-main);
}

.tab-btn.active {
    background: linear-gradient(135deg, rgba(0, 242, 254, 0.15) 0%, rgba(79, 172, 254, 0.08) 100%);
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.15);
    text-shadow: 0 0 5px rgba(0, 242, 254, 0.2);
}

.tab-content-wrapper {
    position: relative;
    min-height: 380px;
}

.tab-pane {
    display: none;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.tab-pane.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.tab-pane-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
    align-items: center;
}

@media (max-width: 900px) {
    .tab-pane-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

.tab-pane-title {
    font-family: var(--font-title), sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #fff 40%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.tab-pane-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.tab-features-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.tab-features-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: var(--text-main);
}

.tab-features-list li i {
    font-size: 1rem;
}

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

/* Glass card spec inside tab */
.spec-glass-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: inset 0 0 20px rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(10px);
}

.spec-glass-title {
    font-family: var(--font-title), sans-serif;
    font-size: 1.15rem;
    color: #fff;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.spec-row {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
    font-size: 0.85rem;
}

.spec-row:last-child {
    border-bottom: none;
}

.spec-row span {
    color: var(--text-muted);
}

.spec-row strong {
    color: var(--primary);
}

/* Range input styling styling */
.custom-range {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.1);
    outline: none;
    margin: 1rem 0;
}

.custom-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    cursor: pointer;
    box-shadow: 0 0 10px var(--primary);
    transition: transform 0.1s ease;
}

.custom-range::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.custom-range::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border: none;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    cursor: pointer;
    box-shadow: 0 0 10px var(--primary);
    transition: transform 0.1s ease;
}

.custom-range::-moz-range-thumb:hover {
    transform: scale(1.2);
}