/* ==========================================================================
   ESTILO CORPORATIVO INDUSTRIAL (Inspiración Premium Minimalista)
   ========================================================================== */
:root {
    --primary: #0f2c59;      
    --secondary: #00a8cc;    
    --dark: #0f172a;         
    --light: #f8fafc;        
    --white: #ffffff;
    --border: #cbd5e1;
    --text-muted: #64748b;
    --font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-family: var(--font);
    color: var(--dark);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
}

.container { width: 100%; max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 520px; }
.text-center { text-align: center; }

/* REUTILIZABLES */
.btn {
    display: inline-block;
    padding: 14px 30px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 4px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}
.btn-primary { background-color: var(--primary); color: var(--white); }
.btn-primary:hover { background-color: var(--dark); transform: translateY(-1px); }
.btn-secondary { background-color: transparent; color: var(--primary); border: 1px solid var(--primary); }
.btn-secondary:hover { background-color: var(--light); }
.btn-block { width: 100%; }
.btn-link { color: var(--primary); text-decoration: none; font-weight: 600; margin-left: 10px; }
.btn-link:hover { text-decoration: underline; }

.badge {
    display: inline-block;
    background-color: var(--light);
    color: var(--primary);
    padding: 6px 12px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    border: 1px solid var(--border);
    margin-bottom: 24px;
}
.badge-accent {
    display: inline-block;
    background-color: rgba(0, 168, 204, 0.1);
    color: var(--secondary);
    padding: 6px 12px;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 2px;
    margin-bottom: 16px;
}

/* HEADER */
.header {
    background-color: rgba(255, 255, 255, 0.9);
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(12px);
}
.header-container {
    display: flex; justify-content: space-between; align-items: center; padding: 12px 24px;
}
.logo-svg { width: 150px; height: 35px; display: block; }

/* HERO */
.hero { padding: 90px 0 60px 0; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: center; }
.hero-text h1 { font-size: 2.8rem; color: var(--primary); font-weight: 800; line-height: 1.15; margin-bottom: 20px; letter-spacing: -0.5px; }
.hero-text p { font-size: 1.1rem; color: var(--text-muted); margin-bottom: 32px; max-width: 540px; }
.hero-actions { display: flex; align-items: center; gap: 20px; }

/* MINI DASHBOARD VISUAL (Evidencia Técnica Limpia) */
.tech-dashboard {
    background-color: var(--light);
    border: 1px solid var(--border);
    padding: 30px;
    border-radius: 6px;
}
.indicator-row { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; font-size: 0.9rem; font-weight: 600; }
.indicator-row:last-child { margin-bottom: 0; }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot.live { background-color: #10b981; box-shadow: 0 0 8px #10b981; }
.dot.active-ia { background-color: var(--secondary); box-shadow: 0 0 8px var(--secondary); }

/* METRICS */
.metrics { padding: 40px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background-color: var(--light); }
.metric-item strong { font-size: 2rem; color: var(--primary); font-weight: 700; display: block; }
.metric-item p { font-size: 0.85rem; color: var(--text-muted); font-weight: 500; text-transform: uppercase; margin-top: 4px; }

/* PILARES / SOLUTIONS */
.solutions { padding: 90px 0; }
.section-header { text-align: center; margin-bottom: 50px; }
.section-header h2 { font-size: 1.8rem; color: var(--primary); font-weight: 700; margin-bottom: 12px; }
.section-header p { color: var(--text-muted); }

.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card { border-top: 2px solid var(--primary); background: var(--light); padding: 35px 24px; border-radius: 0 0 4px 4px; }
.card-num { font-size: 0.85rem; font-weight: 700; color: var(--secondary); margin-bottom: 16px; }
.card h3 { font-size: 1.2rem; color: var(--primary); margin-bottom: 12px; }
.card p { font-size: 0.9rem; color: var(--text-muted); }

/* CASO DE ÉXITO */
.case-study { padding: 40px 0; }
.case-card { background: var(--primary); color: var(--white); padding: 50px; border-radius: 6px; text-align: center; }
.case-card h3 { font-size: 1.5rem; margin-bottom: 20px; font-weight: 700; }
.case-quote { font-style: italic; font-size: 1.1rem; opacity: 0.9; max-width: 800px; margin: 0 auto 20px auto; }
.case-author { font-size: 0.85rem; text-transform: uppercase; opacity: 0.7; letter-spacing: 1px; }

/* FORMULARIO */
.contact { padding: 90px 0; border-top: 1px solid var(--border); }
.form { background: var(--white); border: 1px solid var(--border); padding: 35px; border-radius: 4px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.8rem; font-weight: 700; margin-bottom: 6px; color: var(--primary); text-transform: uppercase; }
.form-group input, .form-group select { width: 100%; padding: 12px; border: 1px solid var(--border); border-radius: 4px; font-size: 0.95rem; }
.form-group input:focus, .form-group select:focus { outline: none; border-color: var(--primary); }

.error-msg { color: #dc2626; font-size: 0.75rem; display: none; margin-top: 4px; font-weight: 500; }
.form-group.invalid input { border-color: #dc2626; background-color: #fef2f2; }
.form-group.invalid .error-msg { display: block; }
.success-box { display: none; background-color: #f0fdf4; border: 1px solid #bbf7d0; color: #166534; padding: 15px; border-radius: 4px; text-align: center; font-weight: 600; margin-top: 15px; }

/* FOOTER */
.footer-site { background-color: var(--dark); color: #94a3b8; padding: 30px 0; font-size: 0.8rem; text-align: center; }

/* RESPONSIVIDAD */
@media (max-width: 900px) {
    .hero-grid, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .hero-text { text-align: center; }
    .hero-actions { justify-content: center; flex-direction: column; }
    .hero-actions .btn, .hero-actions .btn-link { width: 100%; margin: 0; text-align: center; }
    .hero-visual { display: none; }
    .case-card { padding: 24px; }
}