body {
    font-family: 'Inter', sans-serif;
    margin: 0;
    color: #1a1a1a;
    background: #ffffff;
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
}

/* NAVBAR */
.navbar {
    position: fixed;
    width: 100%;
    background: #ffffff;
    padding: 20px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    z-index: 1000;
}

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

.navbar nav a {
    margin-left: 30px;
    text-decoration: none;
    color: #1a1a1a;
    font-weight: 500;
}

.btn-nav {
    background: #2563eb;
    color: white;
    padding: 8px 18px;
    border-radius: 6px;
}

/* HERO */
.hero {
    height: 100vh;
    background: url('https://images.unsplash.com/photo-1492724441997-5dc865305da7') center/cover no-repeat;
    display: flex;
    align-items: center;
    position: relative;
    text-align: center;
    color: white;
}

.overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.55);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 20px;
    margin-bottom: 30px;
}

/* SECCIONES */
.section {
    padding: 120px 0;
}

.light {
    background: #f5f7fa;
}

.two-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.two-columns img {
    width: 100%;
    border-radius: 12px;
}

.reverse {
    direction: rtl;
}

.reverse > * {
    direction: ltr;
}

/* CTA */
.cta {
    background: #2563eb;
    color: white;
    text-align: center;
    padding: 100px 0;
}

.btn-primary {
    display: inline-block;
    background: #2563eb;
    color: white;
    padding: 14px 30px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
}

.cta .btn-primary {
    background: white;
    color: #2563eb;
    margin-top: 20px;
}

/* FORM */
.form {
    display: grid;
    gap: 20px;
    max-width: 600px;
    margin-top: 40px;
}

.form input,
.form textarea {
    padding: 15px;
    border: 1px solid #ccc;
    border-radius: 6px;
}

/* FOOTER */
footer {
    background: #111827;
    color: white;
    text-align: center;
    padding: 40px 0;
}

/* RESPONSIVE */
@media (max-width: 900px) {

    .two-columns {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 32px;
    }

}