@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;700;900&family=DM+Sans:wght@300;400;500;600&display=swap');

:root {
    --azul: #1d36c5;
    --azul-oscuro: #0f1f7a;
    --azul-claro: #3d55e0;
    --blanco: #ffffff;
    --gris-claro: #f4f6fb;
    --gris-texto: #4a4e6a;
    --acento: #c8d4ff;
    --fuente-titulo: 'Playfair Display', Georgia, serif;
    --fuente-cuerpo: 'DM Sans', system-ui, sans-serif;
    --nav-alto: 70px;
    --sombra: 0 4px 24px rgba(29, 54, 197, 0.13);
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 62.5%; scroll-behavior: smooth; }
body { font-family: var(--fuente-cuerpo); font-size: 1.6rem; color: var(--gris-texto); }

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    height: var(--nav-alto);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 4rem;
    background: rgba(255, 255, 255, 0.10);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255,255,255,0.18);
    transition: background 0.3s;
}
.navbar.scrolled {
    background: rgba(15, 31, 122, 0.96);
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.navbar__logo {
    font-family: var(--fuente-titulo);
    font-size: 2.6rem;
    font-weight: 900;
    color: var(--blanco);
    text-decoration: none;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}
.navbar__logo em {
    color: var(--acento);
    font-style: normal;
}
.navbar__links {
    display: flex;
    align-items: center;
    gap: 3.2rem;
    list-style: none;
}
.navbar__links a {
    font-family: var(--fuente-cuerpo);
    font-size: 1.5rem;
    font-weight: 500;
    color: rgba(255,255,255,0.88);
    text-decoration: none;
    letter-spacing: 0.3px;
    transition: color 0.2s;
    position: relative;
    padding-bottom: 4px;
}
.navbar__links a::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 0; height: 2px;
    background: var(--acento);
    transition: width 0.25s;
}
.navbar__links a:hover { color: var(--blanco); }
.navbar__links a:hover::after { width: 100%; }
.navbar__cta {
    background: var(--blanco);
    color: var(--azul) !important;
    padding: 1rem 2.2rem;
    border-radius: 50px;
    font-weight: 600 !important;
    transition: background 0.2s, transform 0.2s !important;
}
.navbar__cta:hover { background: var(--acento) !important; transform: translateY(-1px); }
.navbar__cta::after { display: none !important; }

/* Hamburguesa */
.navbar__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px;
}
.navbar__toggle span {
    display: block;
    width: 26px; height: 2px;
    background: var(--blanco);
    border-radius: 2px;
    transition: all 0.3s;
}
.navbar__toggle.activo span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar__toggle.activo span:nth-child(2) { opacity: 0; }
.navbar__toggle.activo span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== HERO (index) ===== */
.hero {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 500px;
    overflow: hidden;
}
#video-fondo {
    position: absolute;
    inset: 0;
    width: 100%; height: 100%;
    object-fit: cover;
}
.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(10, 20, 80, 0.72) 0%,
        rgba(10, 20, 80, 0.38) 60%,
        rgba(10, 20, 80, 0.55) 100%
    );
}
.hero__contenido {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: calc(var(--nav-alto) + 2rem) 6rem 4rem;
    max-width: 820px;
}
.hero__marca {
    font-family: var(--fuente-titulo);
    font-size: clamp(4.8rem, 8vw, 9rem);
    font-weight: 900;
    color: var(--blanco);
    line-height: 1;
    letter-spacing: -2px;
    margin-bottom: 0.4em;
}
.hero__marca em {
    font-style: normal;
    color: var(--acento);
}
.hero__frase {
    font-family: var(--fuente-cuerpo);
    font-size: clamp(1.8rem, 2.5vw, 2.4rem);
    color: rgba(255,255,255,0.82);
    font-weight: 300;
    line-height: 1.5;
    max-width: 520px;
    margin-bottom: 3.2rem;
}
.hero__frase strong {
    color: var(--blanco);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.hero__botones {
    display: flex;
    gap: 1.6rem;
    flex-wrap: wrap;
}
.btn {
    display: inline-block;
    padding: 1.4rem 3.2rem;
    border-radius: 50px;
    font-family: var(--fuente-cuerpo);
    font-size: 1.6rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.25s, opacity 0.1s;
    border: 2px solid transparent;
}
.btn--primario {
    background: var(--azul);
    color: var(--blanco);
    box-shadow: 0 4px 20px rgba(29,54,197,0.4);
}
.btn--primario:hover { 
   background: var(--azul-claro); transform: translateY(-2px);
 }

.btn--secundario {
    background: transparent;
    color: var(--blanco);
    border-color: rgba(255,255,255,0.6);
}
.btn--secundario:hover {
    background: var(--azul); border-color: var(--azul); color: var(--blanco);
    /*background: rgba(255,255,255,0.12); border-color: var(--blanco);*/
}

/*Agregados */
.hero__botones:has(.btn--primario:hover) .btn--secundario { opacity: 0.4; }
.hero__botones:has(.btn--secundario:hover) .btn--primario { opacity: 0.4; }

.hero__botones .btn { opacity: 1; transition: opacity 0.25s, background 0.25s, transform 0.25s; }
.hero__botones:has(.btn--primario:hover) .btn--secundario { opacity: 0.4; }
.hero__botones:has(.btn--secundario:hover) .btn--primario { opacity: 0.4; }


/* ===== SECCIONES INTERNAS ===== */
.pagina-header {
    background: linear-gradient(135deg, var(--azul-oscuro) 0%, var(--azul) 100%);
    padding: calc(var(--nav-alto) + 5rem) 4rem 5rem;
    text-align: center;
    color: var(--blanco);
}
.pagina-header h1 {
    font-family: var(--fuente-titulo);
    font-size: clamp(3.6rem, 6vw, 6rem);
    font-weight: 700;
    margin-bottom: 1rem;
}
.pagina-header p {
    font-size: 1.8rem;
    color: rgba(255,255,255,0.75);
    font-weight: 300;
}

.seccion {
    padding: 7rem 4rem;
    max-width: 1100px;
    margin: 0 auto;
}
.seccion__titulo {
    font-family: var(--fuente-titulo);
    font-size: clamp(2.8rem, 4vw, 4rem);
    color: var(--azul-oscuro);
    margin-bottom: 1.6rem;
}
.seccion__texto {
    font-size: 1.7rem;
    line-height: 1.75;
    color: var(--gris-texto);
    max-width: 680px;
}

/* Cards */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2.4rem;
    margin-top: 4rem;
}
.card {
    background: var(--blanco);
    border-radius: 16px;
    padding: 3rem 2.4rem;
    box-shadow: var(--sombra);
    border: 1px solid rgba(29,54,197,0.07);
    transition: transform 0.25s, box-shadow 0.25s;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 8px 32px rgba(29,54,197,0.18); }
.card__icono { font-size: 3.6rem; margin-bottom: 1.4rem; }
.card__titulo {
    font-family: var(--fuente-titulo);
    font-size: 2rem;
    color: var(--azul-oscuro);
    margin-bottom: 0.8rem;
}
.card__desc { font-size: 1.5rem; line-height: 1.65; }

/* Footer */
.footer {
    background: var(--azul-oscuro);
    color: rgba(255,255,255,0.6);
    text-align: center;
    padding: 3rem 2rem;
    font-size: 1.4rem;
}
.footer a { color: var(--acento); text-decoration: none; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .navbar { padding: 0 2rem; }
    .navbar__toggle { display: flex; }
    .navbar__links {
        position: fixed;
        top: var(--nav-alto); left: 0; right: 0;
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        background: rgba(15, 31, 122, 0.98);
        backdrop-filter: blur(20px);
        padding: 2rem 0;
        transform: translateY(-110%);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.35s ease, opacity 0.3s;
    }
    .navbar__links.abierto {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    .navbar__links li { width: 100%; }
    .navbar__links a {
        display: block;
        padding: 1.6rem 2.4rem;
        font-size: 1.8rem;
        border-bottom: 1px solid rgba(255,255,255,0.07);
    }
    .navbar__links a::after { display: none; }
    .navbar__cta {
        margin: 1.6rem 2.4rem 0.8rem;
        display: inline-block;
        border-radius: 50px;
        padding: 1.2rem 2.4rem !important;
    }

    .hero__contenido { padding: calc(var(--nav-alto) + 2rem) 2.4rem 4rem; }
    .hero__botones { flex-direction: column; }
    .btn { width: 100%; text-align: center; }

    .seccion { padding: 5rem 2.4rem; }
    .pagina-header { padding: calc(var(--nav-alto) + 3rem) 2.4rem 3rem; }
}

@media (max-width: 480px) {
    .hero__marca { letter-spacing: -1px; }
}