/* BASE & RESET */
        :root {
            --primary-green: #10b981;
            --dark-green: #064e3b;
            --light-bg: #f0fdf4;
            --text-dark: #1f2937;
            --text-gray: #4b5563;
            --white: #ffffff;
        }

        body {
            font-family: 'Inter', sans-serif;
            line-height: 1.6;
            color: var(--text-dark);
            margin: 0;
            overflow-x: hidden;
        }

        .container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* NAVBAR */
        .navbar {
            background: var(--white);
            padding: 1rem 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .nav-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .main-logo { height: 50px; }

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

        .nav-item {
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 500;
            transition: color 0.3s;
        }

        .nav-item:hover, .nav-item.active { color: var(--primary-green); }

        /* HERO SECTION */
        .nosotros-hero {
            padding: 100px 0 60px;
            text-align: center;
            background: linear-gradient(180deg, var(--light-bg) 0%, var(--white) 100%);
        }

        .section-title {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 1.5rem;
        }

        .highlight { color: var(--primary-green); }

        .hero-subtitle {
            font-size: 1.2rem;
            color: var(--text-gray);
            max-width: 750px;
            margin: 0 auto;
        }

        /* MAIN CONTENT */
        .presentation-box { padding: 60px 0; }

        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .main-text {
            font-size: 1.1rem;
            margin-bottom: 1.5rem;
            color: var(--text-gray);
        }

        .img-fluid {
            width: 100%;
            border-radius: 20px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
        }

        /* MISSION & VISION */
        .mission-vision-bg {
            background-color: var(--dark-green);
            color: var(--white);
            padding: 80px 0;
            margin: 50px 0;
        }

        .mission-vision-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
        }

        .mv-card {
            background: rgba(255, 255, 255, 0.05);
            padding: 40px;
            border-radius: 20px;
            border: 1px solid rgba(255,255,255,0.1);
            text-align: center;
        }

        .card-icon {
            font-size: 3rem;
            color: var(--primary-green);
            margin-bottom: 20px;
        }

        /* TECH SECTION */
        .tech-rigor { padding: 60px 0 100px; }

        .check-list {
            list-style: none;
            padding: 0;
            margin-top: 2rem;
        }

        .check-list li {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 15px;
            font-weight: 500;
        }

        .check-list i { color: var(--primary-green); }

        /* FOOTER */
        .main-footer {
            background: #ffffff;
            color: rgb(184, 184, 184);
            padding: 40px 0;
            text-align: center;
            font-size: 0.9rem;
        }

        /* RESPONSIVE */
        @media (max-width: 768px) {
            .content-wrapper { grid-template-columns: 1fr; }
            .section-title { font-size: 2rem; }
            .desktop-nav { display: none; }
        }