:root {
    --primary-color: #0077FF; /* Azul Eléctrico */
    --secondary-color: #1ABC9C; /* Aqua */
    --dark-color: #0A2342;
    --light-color: #FFFFFF;
    --text-color: #333;
    --font-family: 'Montserrat', sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-family); color: var(--text-color); line-height: 1.6; }
.container { width: 90%; max-width: 1100px; margin: 0 auto; }
h1, h2 { font-weight: 900; }

.site-header { background: var(--light-color); padding: 1rem 0; box-shadow: 0 2px 5px rgba(0,0,0,0.1); position: sticky; top: 0; z-index: 100; }
.site-header .container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-weight: 700; font-size: 1.5rem; color: var(--dark-color); }
.header-cta { background: var(--primary-color); color: var(--light-color); padding: 0.7rem 1.5rem; border-radius: 50px; text-decoration: none; font-weight: 700; transition: background 0.3s ease; }
.header-cta:hover { background: var(--secondary-color); }

.hero {
    position: relative; height: 80vh; display: flex; align-items: center; justify-content: center; text-align: center;
    color: var(--light-color); padding: 0 1rem;
    background: url('https://placehold.co/1920x1080/0A2342/FFFFFF?text=...') center center/cover no-repeat;
}
.hero-overlay { position: absolute; inset: 0; background: rgba(10, 35, 66, 0.7); }
.hero-content { position: relative; z-index: 1; }
.hero-title { font-size: 3.5rem; line-height: 1.2; margin-bottom: 1rem; }
.hero-subtitle { font-size: 1.3rem; max-width: 600px; margin: 0 auto 2rem auto; opacity: 0.9; }
.cta-button {
    background: var(--secondary-color); color: var(--light-color); padding: 1rem 3rem;
    border-radius: 50px; text-decoration: none; font-weight: 700; font-size: 1.2rem;
    display: inline-block; transition: all 0.3s ease;
}
.cta-button:hover { background: var(--primary-color); transform: translateY(-3px); box-shadow: 0 5px 15px rgba(0,0,0,0.2); }

.features, .testimonial, .contact-section { padding: 5rem 0; }
.section-title { text-align: center; margin-bottom: 4rem; }
.section-title h2 { font-size: 2.5rem; color: var(--dark-color); margin-bottom: 0.5rem; }
.section-title p { font-size: 1.1rem; color: #777; }

.features { background: #f9f9f9; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 2rem; }
.feature-item { text-align: center; padding: 2rem; }
.feature-item i { font-size: 3rem; color: var(--secondary-color); margin-bottom: 1.5rem; }
.feature-item h3 { font-size: 1.5rem; color: var(--dark-color); margin-bottom: 0.5rem; }

.testimonial { background: var(--dark-color); color: var(--light-color); text-align: center; }
.testimonial-quote { font-size: 1.8rem; font-style: italic; max-width: 800px; margin: 0 auto 1.5rem auto; line-height: 1.5; }
.testimonial-author { font-weight: 700; color: var(--secondary-color); }

.contact-section { background: var(--light-color); }
.contact-form { max-width: 600px; margin: 0 auto; display: flex; flex-direction: column; gap: 1rem; }
.contact-form input, .contact-form textarea {
    padding: 1rem; font-family: var(--font-family); font-size: 1rem;
    border: 1px solid #ddd; border-radius: 8px;
}
.contact-form input:focus, .contact-form textarea:focus { outline: 2px solid var(--primary-color); }
.contact-form textarea { resize: vertical; min-height: 120px; }
.contact-form .cta-button { border: none; cursor: pointer; }

.form-success, .form-error { padding: 40px; border-radius: 8px; text-align: center; }
.form-success { background-color: #e6f4ea; }
.form-error { background-color: #fbeaea; }
.form-success h2, .form-error h2 { color: #333; }

.site-footer { background: #f9f9f9; padding: 2rem 0; text-align: center; color: #777; }
.site-footer a { color: var(--primary-color); text-decoration: none; font-weight: 700; }

@media (max-width: 768px) {
    .hero-title { font-size: 2.5rem; }
    .hero-subtitle { font-size: 1.1rem; }
}