:root {
    --azul-ds: #001A35;
    --azul-ds-light: #0A2A4D;
    --dorado-ds: #C5A059;
    --dorado-ds-dark: #A8853F;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    scroll-behavior: smooth;
}

body {
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

/* ============ HEADER ============ */
.site-header {
    background: var(--azul-ds);
    border-bottom: 2px solid var(--dorado-ds);
    position: sticky;
    top: 0;
    z-index: 100;
}

.site-header .header-inner {
    max-width: 1120px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-header .logo {
    color: #ffffff;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: 0.02em;
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.site-header .logo span {
    color: var(--dorado-ds);
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    margin-top: 2px;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 1.75rem;
}

.main-nav a {
    color: rgba(255,255,255,0.75);
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    transition: color 0.2s ease;
    white-space: nowrap;
}

.main-nav a:hover,
.main-nav a.active {
    color: #ffffff;
}

.main-nav a.nav-cta {
    background: var(--dorado-ds);
    color: var(--azul-ds);
    padding: 0.55rem 1.1rem;
    border-radius: 2px;
}

.main-nav a.nav-cta:hover {
    background: #d4af6a;
    color: var(--azul-ds);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
}

@media (max-width: 860px) {
    .main-nav {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--azul-ds);
        flex-direction: column;
        align-items: flex-start;
        padding: 1.25rem 1.5rem 1.5rem;
        gap: 1.1rem;
        border-bottom: 2px solid var(--dorado-ds);
        transform: translateY(-140%);
        transition: transform 0.25s ease;
    }
    .main-nav.open { transform: translateY(0); }
    .main-nav a.nav-cta { margin-top: 0.25rem; }
    .menu-toggle { display: block; }
}

/* ============ FOOTER ============ */
.site-footer {
    background: var(--azul-ds);
    color: rgba(255,255,255,0.6);
    padding: 3rem 1.5rem 2rem;
    margin-top: 0;
}

.site-footer .footer-inner {
    max-width: 1120px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 2.5rem;
}

@media (max-width: 720px) {
    .site-footer .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
}

.site-footer .footer-brand {
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 0.6rem;
}

.site-footer .footer-brand span {
    display: block;
    color: var(--dorado-ds);
    font-size: 0.6rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    font-weight: 600;
    margin-top: 4px;
}

.site-footer p {
    font-size: 0.8rem;
    line-height: 1.6;
    margin: 0;
}

.site-footer h4 {
    color: #fff;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin: 0 0 1rem;
}

.site-footer ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.site-footer a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    font-size: 0.8rem;
    transition: color 0.2s ease;
}

.site-footer a:hover { color: var(--dorado-ds); }

.footer-bottom {
    max-width: 1120px;
    margin: 2.5rem auto 0;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 0.7rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* ============ SHARED CARD-FOLIO (de las páginas originales) ============ */
.card-folio {
    position: relative;
    background: #ffffff;
    border-left: 1px solid #e5e7eb;
    border-bottom: 4px solid var(--azul-ds);
    transition: all 0.3s ease;
}
.card-folio::before {
    content: "";
    position: absolute; top: 0; right: 0;
    width: 22px; height: 22px;
    background: linear-gradient(225deg, transparent 50%, var(--dorado-ds) 50%);
}
.card-folio:hover { border-bottom-color: var(--dorado-ds); box-shadow: 0 10px 30px rgba(0,26,53,0.08); }
.bg-ds-azul { background-color: var(--azul-ds); }
.text-ds-dorado { color: var(--dorado-ds); }