:root {
    --primary: #A2C2E1;    /* Azul Cuidarte */
    --accent: #E27D60;     /* CTA Naranja Cálido */
    --dark: #2C3E50;       /* Texto Profesional */
    --light-gray: #F4F7F6;
    --white: #ffffff;
}

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

body { font-family: 'Roboto', sans-serif; color: var(--dark); line-height: 1.6; }

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

/* Header Fijo */
.header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 15px 5%; background: rgba(255, 255, 255, 0.95);
    position: fixed; top: 0; width: 100%; z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.nav-menu { display: flex; list-style: none; gap: 20px; }
.nav-link { text-decoration: none; color: var(--dark); font-weight: bold; }

/* El Botón CTA (Recuperado) */
.cta-main {
    display: inline-block;
    padding: 15px 35px;
    background: var(--accent);
    color: var(--white);
    text-decoration: none;
    border-radius: 8px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
    cursor: pointer;
}

.cta-main:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(226, 125, 96, 0.4);
}

/* Hero */
.hero { padding: 160px 0 100px; background: linear-gradient(to right, #ffffff, var(--light-gray)); }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.hero-text h1 { font-size: 2.8rem; line-height: 1.2; margin-bottom: 20px; }
.hero-image img { width: 100%; border-radius: 15px; box-shadow: 10px 10px 30px rgba(0,0,0,0.1); }

/* Secciones de Servicios con Cards */
.section-service { padding: 100px 0; }
.bg-light { background-color: var(--light-gray); }

.service-card {
    display: flex;
    align-items: center;
    gap: 60px;
    background: var(--white);
    padding: 50px;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.05);
}

.service-card.reverse { flex-direction: row-reverse; }

.card-content { flex: 1; }
.card-visual { 
    flex: 1; font-size: 5rem; text-align: center; 
    background: var(--light-gray); padding: 60px; border-radius: 15px;
}

.badge { 
    color: var(--primary); font-weight: bold; text-transform: uppercase; 
    display: block; margin-bottom: 10px; letter-spacing: 2px;
}

.card-content h2 { font-size: 2.5rem; margin-bottom: 20px; }
.card-content p { font-size: 1.1rem; margin-bottom: 30px; }

/* Footer */
.footer-section { background: var(--dark); color: var(--white); padding: 80px 0; }
.footer-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px; }

input, textarea {
    width: 100%; padding: 15px; margin-bottom: 15px;
    border-radius: 8px; border: none; background: rgba(255,255,255,0.1); color: white;
}

.btn-submit {
    width: 100%; padding: 18px; background: var(--primary);
    color: var(--dark); border: none; border-radius: 8px; font-weight: bold; cursor: pointer;
}

.back-to-top { text-align: center; margin-top: 50px; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 30px; }
.btn-up { color: var(--white); text-decoration: none; font-size: 0.9rem; opacity: 0.6; }

/* Responsive */
@media (max-width: 850px) {
    .hero-grid, .service-card, .footer-grid { grid-template-columns: 1fr; flex-direction: column; text-align: center; }
    .service-card.reverse { flex-direction: column; }
}