/* =============================================
   KPO Alpha — Global CSS
   Fuente: Amarna | Paleta: blanco, negro, grises, verde oscuro
============================================= */

:root {
    --clr-white:      #ffffff;
    --clr-off-white:  #f5f5f4;
    --clr-gray-100:   #e8e8e6;
    --clr-gray-300:   #b5b5b0;
    --clr-gray-500:   #6e6e68;
    --clr-gray-700:   #3a3a36;
    --clr-black:      #111110;
    --clr-green-dark: #1a4731;
    --clr-green-mid:  #2d6a4f;
    --clr-green-light:#52b788;
    --clr-green-tint: #e8f5ee;

    --font-primary: 'Amarna', Georgia, serif;

    --header-h: 68px;
    --radius:   6px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,.10);
    --shadow-md: 0 4px 16px rgba(0,0,0,.12);
    --transition: 0.22s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--font-primary);
    font-size: 16px;
    color: var(--clr-black);
    background: var(--clr-white);
    line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--clr-green-mid); }
img { display: block; max-width: 100%; }

/* =============================================
   HEADER — base (transparente en inicio,
              sólido en otras páginas)
============================================= */
#site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    height: var(--header-h);
    /* Por defecto: blanco sólido (páginas interiores) */
    background: var(--clr-white);
    border-bottom: 1px solid var(--clr-gray-100);
    box-shadow: var(--shadow-sm);
    transition: background 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}

/* En /inicio el header arranca transparente */
body.page-inicio #site-header {
    background: transparent;
    border-bottom-color: transparent;
    box-shadow: none;
}

/* Cuando el JS agrega .header--solid (al hacer scroll en inicio) */
body.page-inicio #site-header.header--solid {
    background: var(--clr-white);
    border-bottom-color: var(--clr-gray-100);
    box-shadow: var(--shadow-sm);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    height: 100%;
    padding: 0 28px;
    display: flex;
    align-items: center;
    gap: 32px;
}

/* Logo */
.header-logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    text-decoration: none;
}

/* Logo verde (para fondo blanco) */
.logo-img {
    display: block;
    height: 42px;
    width: auto;
    object-fit: contain;
    transition: opacity 0.3s ease;
}

/* Logo blanco (para header transparente sobre mapa) */
.logo-img-white {
    display: none;
    height: 42px;
    width: auto;
    object-fit: contain;
}

/* Mostrar logo blanco cuando header es transparente */
body.page-inicio #site-header:not(.header--solid) .logo-img { display: block; }
body.page-inicio #site-header:not(.header--solid) .logo-img-white { display: block; }

/* Nav */
.header-nav { flex: 1; }

.header-nav ul {
    list-style: none;
    display: flex;
    gap: 4px;
    align-items: center;
}

.nav-link {
    display: inline-block;
    padding: 6px 16px;
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--clr-gray-700);
    border-radius: 20px;
    transition: background var(--transition), color var(--transition);
    letter-spacing: 0.01em;
}

/* En inicio transparente: letras blancas */
body.page-inicio #site-header:not(.header--solid) .nav-link {
    color: rgba(255,255,255,0.88);
}
body.page-inicio #site-header:not(.header--solid) .nav-link:hover {
    background: rgba(255,255,255,0.18);
    color: #fff;
}
body.page-inicio #site-header:not(.header--solid) .nav-link--active {
    background: rgba(255,255,255,0.22);
    color: #fff !important;
}

/* Estado normal (fondo blanco) */
.nav-link:hover {
    background: var(--clr-green-tint);
    color: var(--clr-green-dark);
}
.nav-link--active {
    background: var(--clr-green-dark);
    color: var(--clr-white) !important;
    font-weight: 600;
}
.nav-link--active:hover { background: var(--clr-green-mid); }

/* Actions */
.header-actions {
    flex-shrink: 0;
    margin-left: auto;
}

/* Botón ingresar — versión oscura (fondo blanco) */
.btn-login {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 20px;
    background: var(--clr-green-dark);
    color: var(--clr-white) !important;
    font-family: var(--font-primary);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 24px;
    letter-spacing: 0.02em;
    transition: background var(--transition), box-shadow var(--transition);
    border: 2px solid transparent;
    text-decoration: none;
}
.btn-login:hover {
    background: var(--clr-green-mid);
    color: var(--clr-white) !important;
    box-shadow: 0 2px 10px rgba(26,71,49,.3);
}

/* Botón ingresar — versión sobre mapa (transparente) */
body.page-inicio #site-header:not(.header--solid) .btn-login {
    background: rgba(255,255,255,0.15);
    border-color: rgba(255,255,255,0.5);
    color: #fff !important;
    backdrop-filter: blur(4px);
}
body.page-inicio #site-header:not(.header--solid) .btn-login:hover {
    background: rgba(255,255,255,0.28);
    border-color: rgba(255,255,255,0.8);
    box-shadow: none;
}

/* Usuario autenticado */
.header-user { position: relative; cursor: pointer; }

.header-user__name {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 16px;
    background: var(--clr-off-white);
    border: 1px solid var(--clr-gray-100);
    border-radius: 24px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--clr-gray-700);
    transition: background var(--transition);
}
.header-user:hover .header-user__name { background: var(--clr-gray-100); }

.header-user__dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--clr-white);
    border: 1px solid var(--clr-gray-100);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    min-width: 160px;
    overflow: hidden;
    z-index: 100;
}
.header-user:hover .header-user__dropdown { display: block; }
.header-user__dropdown a {
    display: block;
    padding: 10px 16px;
    font-size: 0.85rem;
    color: var(--clr-gray-700);
    transition: background var(--transition);
}
.header-user__dropdown a:hover { background: var(--clr-green-tint); color: var(--clr-green-dark); }
.logout-link { color: #c0392b !important; }
.logout-link:hover { background: #fdf0ef !important; }

/* Hamburger mobile */
.header-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    margin-left: 8px;
}
.header-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--clr-black);
    border-radius: 2px;
    transition: var(--transition);
}
/* Hamburger blanco sobre mapa */
body.page-inicio #site-header:not(.header--solid) .header-toggle span {
    background: #fff;
}

/* =============================================
   MAIN CONTENT
============================================= */
#main-content {
    padding-top: var(--header-h);
    min-height: calc(100vh - var(--header-h));
}

/* Inicio: el mapa es fullscreen, sin padding-top */
body.page-inicio #main-content {
    padding-top: 0;
}

/* =============================================
   FOOTER
============================================= */
#site-footer {
    background: var(--clr-black);
    color: var(--clr-gray-300);
    padding: 60px 24px 0;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--clr-gray-700);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-logo-img {
    height: 38px;
    width: auto;
    object-fit: contain;

    /* 🔥 Esto es clave si el fondo es negro */
    filter: brightness(0) invert(1);
}

.footer-tagline {
    font-size: 0.875rem;
    line-height: 1.7;
    color: var(--clr-gray-500);
}

.footer-nav h4,
.footer-contact h4 {
    font-family: var(--font-primary);
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--clr-white);
    margin-bottom: 16px;
}

.footer-nav ul,
.footer-contact ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-nav a, .footer-contact a {
    font-size: 0.875rem;
    color: var(--clr-gray-500);
    transition: color var(--transition);
}
.footer-nav a:hover, .footer-contact a:hover { color: var(--clr-green-light); }
.footer-contact li { font-size: 0.875rem; color: var(--clr-gray-500); }

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 0;
    font-size: 0.78rem;
    color: var(--clr-gray-700);
}

/* =============================================
   RESPONSIVE
============================================= */
@media (max-width: 768px) {
    .header-toggle { display: flex; }

    .header-nav {
        display: none;
        position: absolute;
        top: var(--header-h);
        left: 0; right: 0;
        background: var(--clr-white) !important;
        border-bottom: 1px solid var(--clr-gray-100);
        padding: 12px 20px 16px;
        box-shadow: var(--shadow-md);
    }
    .header-nav.open { display: block; }
    .header-nav ul { flex-direction: column; align-items: flex-start; gap: 4px; }
    /* En mobile nav abierto siempre letras oscuras */
    body.page-inicio #site-header:not(.header--solid) .header-nav.open .nav-link { color: var(--clr-gray-700); }
    body.page-inicio #site-header:not(.header--solid) .header-nav.open .nav-link--active { color: var(--clr-white) !important; }

    .header-actions { margin-left: 0; }
    .footer-inner { grid-template-columns: 1fr; gap: 32px; }
}