@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;700&family=Ubuntu:wght@400;600;700;800&display=swap');

:root { 
    --primary: #003146;     /* Azul Petróleo */
    --accent: #357e7a;      /* Verde Bosque */
    --accent-light: #A3E635; /* Verde Lima (NUEVO) */
    --bg: #F1F5F9;          
    --white: #FFFFFF;
    --text-main: #0F172A;   
    --text-muted: #475569;  
    --font-titles: 'Ubuntu', sans-serif;
    --font-body: 'Montserrat', sans-serif;
}

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

body { 
    font-family: var(--font-body); 
    background-color: var(--white); 
    color: var(--text-main); 
    line-height: 1.6; 
}

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

/* Navbar */
.navbar { padding: 20px 0; background: var(--white); border-bottom: 1px solid #e2e8f0; sticky: top; top: 0; z-index: 1000; }
.container-nav { display: flex; justify-content: space-between; align-items: center; max-width: 1100px; margin: 0 auto; padding: 0 20px; }
.logo { height: 45px; }
.btn-nav { text-decoration: none; color: var(--primary); font-weight: 700; border: 2px solid var(--primary); padding: 8px 20px; border-radius: 50px; font-size: 14px; transition: 0.3s; }
.btn-nav:hover { background: var(--primary); color: var(--white); }

/* Hero Section */
.hero { padding: 100px 0 80px; text-align: center; background: radial-gradient(circle at top right, #f8fafc, #ffffff); }
.badge { background: #e0f2f1; color: var(--accent); padding: 6px 16px; border-radius: 50px; font-size: 12px; font-weight: 700; text-transform: uppercase; }
.hero h1 { font-family: var(--font-titles); font-size: 48px; color: var(--primary); margin: 25px 0; line-height: 1.1; }
.hero h1 span { color: var(--accent); }
.hero p { max-width: 650px; margin: 0 auto 35px; color: var(--text-muted); font-size: 18px; }

.btn-primary { text-decoration: none; background: var(--primary); color: var(--white); padding: 16px 35px; border-radius: 12px; font-weight: 700; display: inline-block; margin: 10px; transition: 0.3s; }
.btn-secondary { text-decoration: none; background: var(--accent); color: var(--white); padding: 16px 35px; border-radius: 12px; font-weight: 700; display: inline-block; margin: 10px; transition: 0.3s; }
.btn-primary:hover, .btn-secondary:hover { transform: translateY(-3px); box-shadow: 0 10px 20px rgba(0,0,0,0.1); }

/* Services Grid */
.services { padding: 80px 0; background: var(--bg); }
.section-title { text-align: center; margin-bottom: 50px; }
.section-title h2 { font-family: var(--font-titles); font-size: 32px; color: var(--primary); }

.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; }
.service-card { background: var(--white); padding: 40px; border-radius: 20px; transition: 0.3s; border: 1px solid #e2e8f0; }
.service-card i { font-size: 40px; color: var(--accent); margin-bottom: 20px; display: block; }
.service-card h3 { font-family: var(--font-titles); margin-bottom: 15px; color: var(--primary); }
.service-card:hover { transform: translateY(-10px); border-color: var(--accent); }
.service-card.active { background: var(--primary); color: var(--white); }
.service-card.active h3, .service-card.active i { color: var(--white); }

/* Footer */
.footer { padding: 60px 0 30px; background: #001a25; color: #cbd5e1; text-align: center; }
.logo-footer { height: 40px; filter: brightness(0) invert(1); margin-bottom: 20px; }
.social-footer { margin: 25px 0; font-size: 24px; }
.social-footer a { color: var(--white); margin: 0 15px; transition: 0.3s; }
.social-footer a:hover { color: var(--accent-light); }
.copy { margin-top: 40px; font-size: 13px; border-top: 1px solid #003146; padding-top: 25px; }

@media (max-width: 768px) {
    .hero h1 { font-size: 32px; }
}