/* ============================================
   MADESA - Layout
   ============================================ */

/* === BODY BASE === */
body {
    background: linear-gradient(160deg, var(--bg-main) 0%, var(--bg-secondary) 100%);
    min-height: 100vh;
}

/* === CONTENEDOR === */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--container-pad);
    width: 100%;
}

.container-narrow {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--container-pad);
}

/* === NAV MOBILE (oculto por defecto, visible solo en mobile via responsive.css) === */
.nav-mobile {
    display: none;
}

.menu-toggle {
    display: none !important;
}

/* === HEADER === */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--bg-overlay);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 2px solid var(--color-primary);
    z-index: var(--z-header);
    display: flex;
    align-items: center;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    gap: var(--space-8);
}

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

/* === SECCIONES === */
.section {
    padding: var(--space-20) 0;
}

.section-sm {
    padding: var(--space-12) 0;
}

.section-lg {
    padding: var(--space-24) 0;
}

/* === GRIDS === */
.grid {
    display: grid;
    gap: var(--space-8);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.grid-auto-sm { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.grid-auto-md { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.grid-auto-lg { grid-template-columns: repeat(auto-fill, minmax(380px, 1fr)); }

/* === FLEX === */
.flex          { display: flex; }
.flex-center   { display: flex; align-items: center; justify-content: center; }
.flex-between  { display: flex; align-items: center; justify-content: space-between; }
.flex-wrap     { flex-wrap: wrap; }
.gap-2         { gap: var(--space-2); }
.gap-4         { gap: var(--space-4); }
.gap-6         { gap: var(--space-6); }
.gap-8         { gap: var(--space-8); }

/* === FOOTER === */
.footer {
    background: var(--bg-dark);
    border-top: 1px solid var(--color-primary-border);
    padding: var(--space-12) 0;
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-10);
    margin-bottom: var(--space-8);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.07);
    padding-top: var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-4);
}

/* === DIVIDER === */
.divider {
    height: 1px;
    background: var(--color-primary-border);
    margin: var(--space-8) 0;
}

.divider-v {
    width: 1px;
    background: var(--color-primary-border);
    align-self: stretch;
}

/* === UTILIDADES === */
.hidden    { display: none !important; }
.visible   { display: block !important; }
.sr-only   { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

.w-full    { width: 100%; }
.h-full    { height: 100%; }
.min-h-screen { min-height: 100vh; }

.mt-auto { margin-top: auto; }
.mb-4    { margin-bottom: var(--space-4); }
.mb-6    { margin-bottom: var(--space-6); }
.mb-8    { margin-bottom: var(--space-8); }
.mb-12   { margin-bottom: var(--space-12); }

.p-4     { padding: var(--space-4); }
.p-6     { padding: var(--space-6); }
.p-8     { padding: var(--space-8); }
.px-4    { padding-left: var(--space-4); padding-right: var(--space-4); }
.py-4    { padding-top: var(--space-4); padding-bottom: var(--space-4); }