/* ------------------------------
   RESET BÁSICO
------------------------------ */
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: #222;
    background: #f5f6fa;
}

a {
    color: #0a3d7a;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* ------------------------------
   HEADER BLANCO CORPORATIVO
------------------------------ */
.main-header {
    background: #ffffff;
    border-bottom: 2px solid #e5e5e5;
    padding: 10px 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-box img {
    height: 40px;
    display: block;
}

nav a {
    margin-left: 20px;
    color: #0a3d7a;
    font-weight: 500;
}

nav a.active {
    border-bottom: 2px solid #0a3d7a;
    padding-bottom: 3px;
}

/* ------------------------------
   HERO
------------------------------ */
.hero {
    padding: 80px 20px;
    text-align: center;
    background: #ffffff;
}

.hero h1 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.hero p {
    max-width: 800px;
    margin: 0 auto 10px auto;
}

.btn {
    display: inline-block;
    margin-top: 20px;
    padding: 10px 24px;
    background: #0a3d7a;
    color: #fff;
    border-radius: 4px;
    font-weight: 500;
}

.btn:hover {
    background: #06264b;
    text-decoration: none;
}

/* ------------------------------
   CONTENIDO GENERAL
------------------------------ */
.content {
    max-width: 1000px;
    margin: 30px auto;
    padding: 0 20px 40px 20px;
    background: #ffffff;
}

.columns {
    max-width: 1000px;
    margin: 0 auto 40px auto;
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.columns > div {
    background: #ffffff;
    padding: 20px;
    border-radius: 4px;
}

/* ------------------------------
   TIMELINE SIN PUNTOS GORDOS
------------------------------ */
.timeline {
    padding-left: 0;
    border-left: none;
}

.timeline-item {
    margin-bottom: 25px;
}

.timeline-item h2 {
    margin-bottom: 8px;
    color: #0a3d7a;
}

/* Listas limpias */
.timeline-item ul {
    margin: 8px 0 0 20px;
    padding-left: 20px;
    list-style: disc;
}

.timeline-item li {
    margin-bottom: 4px;
}

/* ------------------------------
   CONTACTO
------------------------------ */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 8px 10px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 3px;
    font: inherit;
}

.ok-msg {
    margin-top: 10px;
    color: #0a7a2a;
    font-weight: 500;
}

/* ------------------------------
   FOOTER
------------------------------ */
footer {
    text-align: center;
    padding: 15px 10px;
    font-size: 0.95rem;
    background: #0a3d7a;
    color: #fff;
    letter-spacing: 0.3px;
}

footer a {
    color: #ffd700;
    text-decoration: none;
    font-weight: 500;
}

footer a:hover {
    color: #ffffff;
    text-decoration: underline;
}

/* ------------------------------
   RESPONSIVE
------------------------------ */
@media (max-width: 700px) {
    .main-header {
        flex-direction: column;
        align-items: flex-start;
    }

    nav {
        margin-top: 10px;
    }

    nav a {
        margin-left: 0;
        margin-right: 15px;
    }
}