/* --- Variables de Diseño --- */
:root {
    --bg-dark: #0f172a;
    --bg-surface: #1e293b;
    --primary: #c59a0c;
    --primary-hover: #0ea5e9;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
}

section {
    padding: 100px 5% 80px 5%;
}

/* --- Navegación --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    background-color: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 12px 5%;
    border-bottom: 1px solid rgba(56, 189, 248, 0.2);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.brand-isab { color: var(--text-main); }
.brand-studio { color: var(--primary); }

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    margin-left: 30px;
    font-weight: 500;
    transition: var(--transition);
}

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

.nav-links .btn-nav {
    background: rgba(56, 189, 248, 0.1);
    border: 1px solid var(--primary);
    padding: 8px 18px;
    border-radius: 6px;
    color: var(--primary);
}

.nav-links .btn-nav:hover {
    background: var(--primary);
    color: var(--bg-dark);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.4rem;
    cursor: pointer;
}

/* --- Héroe (Hero) --- */
.hero-section {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 40px;
}

.hero-content h1 {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-content p {
    color: var(--text-muted);
    font-size: 1.2rem;
    margin-bottom: 35px;
    line-height: 1.6;
}

.hero-buttons .btn-primary {
    background: var(--primary);
    color: var(--bg-dark);
    padding: 14px 28px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    margin-right: 15px;
    display: inline-block;
    transition: var(--transition);
}

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

.hero-buttons .btn-secondary {
    color: var(--text-main);
    border: 1px solid var(--text-muted);
    padding: 14px 28px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: var(--transition);
}

.hero-buttons .btn-secondary:hover { border-color: var(--primary); color: var(--primary); }

/* Mockup Estilizado del Panel (Simulación visual de Redmine/Gestor) */
.tech-dashboard-mockup {
    background: var(--bg-surface);
    border-radius: 12px;
    border: 1px solid rgba(148, 163, 184, 0.1);
    height: 350px;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.mockup-header {
    background: #111827;
    padding: 12px;
    display: flex;
    gap: 6px;
}

.mockup-header span {
    width: 10px;
    height: 10px;
    background: #4b5563;
    border-radius: 50%;
}

.mockup-body {
    display: flex;
    height: calc(100% - 34px);
}

.mockup-sidebar {
    width: 20%;
    background: #1e293b;
    border-right: 1px solid rgba(148, 163, 184, 0.05);
}

.mockup-main {
    width: 80%;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.mockup-card {
    background: #334155;
    height: 45%;
    border-radius: 6px;
    position: relative;
    overflow: hidden;
}

.mockup-card::after {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 50%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.1), transparent);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% { left: -100%; }
    100% { left: 200%; }
}

/* --- Títulos Globales --- */
.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 { font-size: 2.2rem; margin-bottom: 15px; }
.section-title p { color: var(--text-muted); }

/* --- Servicios --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--bg-surface);
    padding: 40px 30px;
    border-radius: 10px;
    border: 1px solid transparent;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: rgba(56, 189, 248, 0.3);
    box-shadow: 0 10px 30px -10px rgba(56, 189, 248, 0.15);
}

.icon-wrapper {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.service-card h3 { margin-bottom: 12px; font-size: 1.4rem; }
.service-card p { color: var(--text-muted); line-height: 1.6; }

/* --- Pestañas Interactivas (Capacitación) --- */
.training-tabs {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-surface);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(148, 163, 184, 0.1);
}

.tabs-header {
    display: flex;
    background: #111827;
}

.tab-btn {
    flex: 1;
    padding: 18px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 2px solid transparent;
}

.tab-btn:hover { color: var(--text-main); }
.tab-btn.active {
    color: var(--primary);
    background: var(--bg-surface);
    border-bottom: 2px solid var(--primary);
}

.tabs-content { padding: 40px; }
.tab-pane { display: none; }
.tab-pane.active { display: block; animation: fadeIn 0.5s ease; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

.tab-pane h3 { margin-bottom: 15px; color: var(--primary); }
.tab-pane p { color: var(--text-muted); line-height: 1.7; font-size: 1.1rem; }

/* --- Contacto --- */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
    background: var(--bg-surface);
    padding: 50px;
    border-radius: 12px;
}

.contact-info h2 { font-size: 2rem; margin-bottom: 15px; }
.contact-info p { color: var(--text-muted); margin-bottom: 30px; line-height: 1.6; }

.info-item { display: flex; align-items: center; gap: 15px; color: var(--text-muted); }
.info-item i { color: var(--primary); font-size: 1.2rem; }

.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-size: 0.9rem; color: var(--text-muted); }

.form-group input, .form-group textarea {
    background: var(--bg-dark);
    border: 1px solid rgba(148, 163, 184, 0.2);
    padding: 12px;
    border-radius: 6px;
    color: var(--text-main);
    transition: var(--transition);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 1px var(--primary);
}

.btn-submit {
    background: var(--primary);
    color: var(--bg-dark);
    border: none;
    padding: 14px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

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

/* --- Footer --- */
footer {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
    font-size: 0.9rem;
    border-top: 1px solid rgba(148, 163, 184, 0.05);
}

/* --- Efectos de Revelado Dinámico (Scroll) --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.15s; }
.delay-2 { transition-delay: 0.3s; }

/* --- Diseño Adaptable (Móviles) --- */
@media (max-width: 768px) {
    .menu-toggle { display: block; }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%; left: 0; width: 100%;
        background: #111827;
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid rgba(56, 189, 248, 0.2);
    }
    
    .nav-links.open { display: flex; }
    .nav-links a { margin: 15px 0; }
    
    .hero-section { grid-template-columns: 1fr; text-align: center; padding-top: 140px; }
    .hero-buttons { display: flex; flex-direction: column; gap: 15px; }
    .hero-buttons .btn-primary { margin-right: 0; }
    
    .contact-container { grid-template-columns: 1fr; padding: 30px; }
    .tabs-header { flex-direction: column; }
}
/* --- Estilos para el estado del Formulario --- */
.form-status {
    margin-top: 20px;
    padding: 15px;
    border-radius: 6px;
    font-size: 1rem;
    text-align: center;
    display: none; /* Oculto por defecto */
    transition: var(--transition);
    line-height: 1.5;
}

/* Estilo cuando el envío es un éxito */
.form-status.success {
    display: block;
    background-color: rgba(34, 197, 94, 0.12);
    border: 1px solid #22c55e;
    color: #4ade80;
}

/* Estilo por si ocurre un fallo de red */
.form-status.error {
    display: block;
    background-color: rgba(239, 68, 68, 0.12);
    border: 1px solid #ef4444;
    color: #f87171;
}

/* Estilo mientras se está enviando */
.form-status.loading {
    display: block;
    background-color: rgba(245, 158, 11, 0.12);
    border: 1px solid #f59e0b;
    color: #fbbf24;
}