/* ============================================================
   COMITÉ DE VIVIENDA TODAS Y TODOS SOMOS POBLACIÓN CHILE
   Sitio público — Hoja de estilos
   ============================================================ */

/* ── Reset y variables ──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --azul-oscuro:  #0a1f3d;
    --azul-medio:   #133d7a;
    --azul-claro:   #1a6fb5;
    --naranja:      #f07800;
    --naranja-claro:#f5a030;
    --dorado:       #e8c140;
    --verde:        #2cb67d;
    --blanco:       #ffffff;
    --gris-claro:   #f4f7fc;
    --gris-medio:   #e2e8f0;
    --gris-texto:   #64748b;
    --texto:        #1e293b;
    --sombra-s:     0 2px 8px rgba(0,0,0,.10);
    --sombra-m:     0 8px 24px rgba(0,0,0,.14);
    --sombra-l:     0 20px 48px rgba(0,0,0,.18);
    --radio:        10px;
    --transicion:   all .3s ease;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    color: var(--texto);
    line-height: 1.65;
    background: var(--blanco);
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; transition: var(--transicion); }
img { max-width: 100%; display: block; }

/* ── Utilidades ─────────────────────────────────────────────── */
.seccion {
    padding: 6rem 1.5rem;
    position: relative;
}
.contenedor {
    max-width: 1120px;
    margin: 0 auto;
    width: 100%;
}
.seccion-etiqueta {
    display: inline-block;
    background: var(--naranja);
    color: var(--blanco);
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: .3rem .9rem;
    border-radius: 20px;
    margin-bottom: 1rem;
}
.seccion-titulo {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    line-height: 1.2;
    color: var(--azul-oscuro);
    margin-bottom: 1rem;
}
.seccion-titulo span { color: var(--naranja); }
.seccion-subtitulo {
    font-size: 1.1rem;
    color: var(--gris-texto);
    max-width: 620px;
}
.centrado { text-align: center; }
.centrado .seccion-subtitulo { margin: 0 auto; }

/* ── Navbar ─────────────────────────────────────────────────── */
.navbar-pub {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: .9rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transicion);
    background: transparent;
}
.navbar-pub.scrolled {
    background: var(--azul-oscuro);
    box-shadow: var(--sombra-m);
    padding: .65rem 1.5rem;
}
.navbar-marca-pub {
    color: var(--blanco);
    font-size: 1.1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: .5rem;
}
.navbar-marca-pub .icono-nav { font-size: 1.4rem; }

.navbar-links-pub {
    display: flex;
    align-items: center;
    gap: .25rem;
}
.navbar-links-pub a {
    color: rgba(255,255,255,.85);
    padding: .5rem .9rem;
    border-radius: 6px;
    font-size: .88rem;
    font-weight: 500;
}
.navbar-links-pub a:hover { color: var(--blanco); background: rgba(255,255,255,.12); }
.navbar-links-pub .btn-acceso {
    background: var(--naranja);
    color: var(--blanco) !important;
    font-weight: 600;
    margin-left: .5rem;
    padding: .5rem 1.1rem;
}
.navbar-links-pub .btn-acceso:hover { background: var(--naranja-claro); }

.navbar-toggle-pub {
    display: none;
    background: none;
    border: 1px solid rgba(255,255,255,.4);
    color: var(--blanco);
    font-size: 1.3rem;
    padding: .3rem .6rem;
    border-radius: 5px;
    cursor: pointer;
}

/* ── HERO ───────────────────────────────────────────────────── */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    /* Foto con gradient de respaldo — reemplazar portada.jpg con la foto real */
    background-image:
        linear-gradient(160deg, rgba(10,31,61,.88) 0%, rgba(19,61,122,.78) 55%, rgba(240,120,0,.65) 100%),
        url('imagenes/portada.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    padding: 2rem 1.5rem;
}
/* Fondo geométrico animado (se ve cuando no hay foto) */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 20% 40%, rgba(26,111,181,.35) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 70%, rgba(240,120,0,.25) 0%, transparent 60%);
    pointer-events: none;
}
.hero-contenido {
    position: relative;
    z-index: 2;
    max-width: 820px;
}
.hero-icono { font-size: 4rem; margin-bottom: 1.25rem; filter: drop-shadow(0 4px 12px rgba(0,0,0,.4)); }
.hero-titulo {
    font-size: clamp(2.2rem, 6vw, 4rem);
    font-weight: 900;
    color: var(--blanco);
    line-height: 1.1;
    margin-bottom: 1rem;
    text-shadow: 0 2px 20px rgba(0,0,0,.5);
}
.hero-titulo span { color: var(--naranja-claro); }
.hero-subtitulo {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: rgba(255,255,255,.88);
    margin-bottom: 2.5rem;
    font-weight: 300;
    letter-spacing: .3px;
}
.hero-botones {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}
.btn-hero-primario {
    background: var(--naranja);
    color: var(--blanco);
    padding: .85rem 2rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    box-shadow: 0 4px 20px rgba(240,120,0,.5);
    transition: var(--transicion);
}
.btn-hero-primario:hover { background: var(--naranja-claro); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(240,120,0,.55); }
.btn-hero-secundario {
    background: rgba(255,255,255,.15);
    color: var(--blanco);
    padding: .85rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    border: 2px solid rgba(255,255,255,.5);
    backdrop-filter: blur(4px);
    transition: var(--transicion);
}
.btn-hero-secundario:hover { background: rgba(255,255,255,.25); border-color: var(--blanco); }

/* Links de secciones en el hero */
.hero-nav-secciones {
    display: flex;
    gap: .5rem;
    justify-content: center;
    flex-wrap: wrap;
}
.hero-nav-secciones a {
    color: rgba(255,255,255,.7);
    font-size: .82rem;
    padding: .35rem .8rem;
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,.25);
    transition: var(--transicion);
}
.hero-nav-secciones a:hover { color: var(--blanco); background: rgba(255,255,255,.15); border-color: rgba(255,255,255,.5); }

/* Flecha scroll */
.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,.6);
    font-size: .8rem;
    text-align: center;
    animation: bounceDown 2s infinite;
}
.hero-scroll::before {
    content: '↓';
    display: block;
    font-size: 1.4rem;
    margin-bottom: .2rem;
}
@keyframes bounceDown {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50%       { transform: translateX(-50%) translateY(6px); }
}

/* Ola decorativa inferior del hero */
.hero-ola {
    position: absolute;
    bottom: -1px; left: 0; right: 0;
    line-height: 0;
}

/* ── QUIÉNES SOMOS ──────────────────────────────────────────── */
#quienes-somos { background: var(--blanco); }

.qs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-top: 3rem;
}
.qs-texto p {
    color: var(--gris-texto);
    margin-bottom: 1rem;
    font-size: 1.02rem;
}
.qs-texto p strong { color: var(--azul-medio); }

.qs-valores {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.valor-card {
    background: var(--gris-claro);
    border-radius: var(--radio);
    padding: 1.4rem;
    border-left: 4px solid var(--naranja);
    transition: var(--transicion);
}
.valor-card:hover { transform: translateY(-3px); box-shadow: var(--sombra-m); background: var(--blanco); }
.valor-card .valor-icono { font-size: 2rem; margin-bottom: .6rem; }
.valor-card h3 { font-size: .95rem; font-weight: 700; color: var(--azul-oscuro); margin-bottom: .3rem; }
.valor-card p  { font-size: .83rem; color: var(--gris-texto); line-height: 1.5; }

/* ── HISTORIA ───────────────────────────────────────────────── */
#historia { background: var(--gris-claro); }

.timeline {
    position: relative;
    max-width: 780px;
    margin: 3rem auto 0;
    padding-left: 2rem;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--naranja), var(--azul-claro));
    border-radius: 3px;
}
.timeline-item {
    position: relative;
    margin-bottom: 2.5rem;
    padding-left: 1.75rem;
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity .6s ease, transform .6s ease;
}
.timeline-item.visible { opacity: 1; transform: translateX(0); }
.timeline-item::before {
    content: '';
    position: absolute;
    left: -2.35rem;
    top: .35rem;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--naranja);
    border: 3px solid var(--blanco);
    box-shadow: 0 0 0 3px var(--naranja);
}
.timeline-anio {
    display: inline-block;
    background: var(--azul-medio);
    color: var(--blanco);
    font-size: .78rem;
    font-weight: 700;
    padding: .2rem .7rem;
    border-radius: 20px;
    margin-bottom: .4rem;
    letter-spacing: 1px;
}
.timeline-item h3 { font-size: 1.05rem; color: var(--azul-oscuro); margin-bottom: .35rem; }
.timeline-item p  { font-size: .92rem; color: var(--gris-texto); }

/* ── INTEGRANTES ────────────────────────────────────────────── */
#integrantes { background: var(--blanco); }

.integrantes-intro {
    text-align: center;
    color: var(--gris-texto);
    max-width: 560px;
    margin: .5rem auto 2.5rem;
}

/* Directiva en texto simple */
.directiva-texto-bloque {
    background: var(--gris-claro);
    border-left: 4px solid var(--naranja);
    border-radius: var(--radio);
    padding: 1.25rem 1.75rem;
    margin-bottom: 2rem;
    max-width: 480px;
}
.directiva-texto-titulo {
    font-size: .78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--gris-texto);
    margin-bottom: .75rem;
}
.directiva-texto-lista {
    list-style: none;
    display: grid;
    grid-template-columns: max-content 1fr;
    column-gap: 1.75rem;
    row-gap: 0;
}
.directiva-texto-lista li {
    display: contents;
}
.directiva-texto-lista li .dir-cargo,
.directiva-texto-lista li .dir-nombre {
    padding: .38rem 0;
    border-bottom: 1px solid var(--gris-medio);
    font-size: .93rem;
}
.directiva-texto-lista li:last-child .dir-cargo,
.directiva-texto-lista li:last-child .dir-nombre {
    border-bottom: none;
}
.dir-cargo {
    font-weight: 600;
    color: var(--azul-medio);
    white-space: nowrap;
}
.dir-nombre {
    color: var(--texto);
}

.directiva-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 3rem;
}
.directiva-card {
    background: linear-gradient(135deg, var(--azul-oscuro), var(--azul-medio));
    color: var(--blanco);
    border-radius: var(--radio);
    padding: 1.5rem 1.25rem;
    text-align: center;
    box-shadow: var(--sombra-m);
    transition: var(--transicion);
}
.directiva-card:hover { transform: translateY(-4px); box-shadow: var(--sombra-l); }
.directiva-avatar {
    width: 58px; height: 58px;
    border-radius: 50%;
    background: rgba(255,255,255,.18);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem; font-weight: 800;
    margin: 0 auto .8rem;
    border: 2px solid rgba(255,255,255,.3);
}
.directiva-nombre { font-size: .93rem; font-weight: 700; line-height: 1.3; }
.directiva-rol {
    display: inline-block;
    background: var(--naranja);
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .5px;
    text-transform: uppercase;
    padding: .2rem .7rem;
    border-radius: 20px;
    margin-top: .5rem;
}
.directiva-num { font-size: .75rem; opacity: .6; margin-top: .3rem; }

.socios-seccion-titulo {
    font-size: 1rem;
    font-weight: 700;
    color: var(--gris-texto);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 1rem;
    padding-bottom: .5rem;
    border-bottom: 2px solid var(--gris-medio);
}
.socios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: .75rem;
}
.socio-card {
    background: var(--gris-claro);
    border-radius: var(--radio);
    padding: .9rem 1rem;
    display: flex;
    align-items: center;
    gap: .75rem;
    transition: var(--transicion);
    border: 1px solid var(--gris-medio);
}
.socio-card:hover { background: var(--blanco); box-shadow: var(--sombra-s); border-color: var(--azul-claro); }
.socio-badge {
    width: 36px; height: 36px; flex-shrink: 0;
    border-radius: 50%;
    background: var(--azul-medio);
    color: var(--blanco);
    display: flex; align-items: center; justify-content: center;
    font-size: .72rem; font-weight: 800;
}
.socio-info { min-width: 0; }
.socio-nombre { font-size: .85rem; font-weight: 600; line-height: 1.3; }
.socio-numero { font-size: .75rem; color: var(--gris-texto); }

/* ── ESTADÍSTICAS ───────────────────────────────────────────── */
#estadisticas {
    background: linear-gradient(135deg, var(--azul-oscuro) 0%, var(--azul-medio) 100%);
    color: var(--blanco);
}
#estadisticas .seccion-titulo { color: var(--blanco); }
#estadisticas .seccion-subtitulo { color: rgba(255,255,255,.7); }

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}
.stat-card {
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.15);
    border-radius: 14px;
    padding: 2rem 1.5rem;
    text-align: center;
    backdrop-filter: blur(8px);
    transition: var(--transicion);
    position: relative;
    overflow: hidden;
}
.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--naranja);
}
.stat-card:hover { background: rgba(255,255,255,.14); transform: translateY(-4px); }
.stat-icono { font-size: 2.5rem; margin-bottom: .75rem; }
.stat-numero {
    font-size: 3rem;
    font-weight: 900;
    color: var(--naranja-claro);
    line-height: 1;
    font-variant-numeric: tabular-nums;
    margin-bottom: .3rem;
}
.stat-sufijo { font-size: 1.5rem; }
.stat-label {
    font-size: .9rem;
    color: rgba(255,255,255,.75);
    font-weight: 500;
}
.stat-sub {
    font-size: .78rem;
    color: rgba(255,255,255,.45);
    margin-top: .25rem;
}

/* Barra de progreso ahorro */
.stat-barra-wrap {
    background: rgba(255,255,255,.15);
    border-radius: 10px;
    height: 8px;
    margin: .75rem 0 .4rem;
    overflow: hidden;
}
.stat-barra {
    height: 100%;
    background: linear-gradient(90deg, var(--naranja), var(--dorado));
    border-radius: 10px;
    transition: width 1.5s ease;
    width: 0%;
}

/* ── CONTACTO ───────────────────────────────────────────────── */
#contacto { background: var(--gris-claro); }

.contacto-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
    margin-top: 3rem;
    align-items: start;
}
.contacto-info { }
.contacto-info h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--azul-oscuro);
    margin-bottom: 1.5rem;
}
.contacto-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.25rem;
}
.contacto-item-icono {
    width: 42px; height: 42px; flex-shrink: 0;
    background: var(--azul-oscuro);
    color: var(--blanco);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem;
}
.contacto-item-texto strong { display: block; color: var(--azul-oscuro); font-size: .9rem; }
.contacto-item-texto span   { color: var(--gris-texto); font-size: .9rem; }

.contacto-form {
    background: var(--blanco);
    border-radius: 14px;
    padding: 2rem;
    box-shadow: var(--sombra-m);
}
.contacto-form h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--azul-oscuro);
    margin-bottom: 1.25rem;
}
.campo-form {
    margin-bottom: 1rem;
}
.campo-form label {
    display: block;
    font-size: .85rem;
    font-weight: 600;
    color: var(--texto);
    margin-bottom: .35rem;
}
.campo-form input,
.campo-form textarea,
.campo-form select {
    width: 100%;
    padding: .7rem 1rem;
    border: 1.5px solid var(--gris-medio);
    border-radius: 8px;
    font-size: .93rem;
    font-family: inherit;
    transition: var(--transicion);
    background: var(--blanco);
    color: var(--texto);
}
.campo-form input:focus,
.campo-form textarea:focus {
    outline: none;
    border-color: var(--azul-claro);
    box-shadow: 0 0 0 3px rgba(26,111,181,.15);
}
.campo-form textarea { resize: vertical; min-height: 110px; }
.btn-contacto {
    width: 100%;
    padding: .85rem;
    background: var(--naranja);
    color: var(--blanco);
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transicion);
    font-family: inherit;
}
.btn-contacto:hover { background: var(--naranja-claro); transform: translateY(-1px); }

/* ── FOOTER ─────────────────────────────────────────────────── */
.footer-pub {
    background: var(--azul-oscuro);
    color: rgba(255,255,255,.65);
    padding: 3rem 1.5rem 2rem;
}
.footer-inner {
    max-width: 1120px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 2.5rem;
    margin-bottom: 2.5rem;
}
.footer-marca { }
.footer-marca h3 { color: var(--blanco); font-size: 1.1rem; margin-bottom: .6rem; }
.footer-marca p  { font-size: .88rem; line-height: 1.6; }
.footer-col h4   { color: var(--blanco); font-size: .9rem; font-weight: 700; margin-bottom: .9rem; letter-spacing: .5px; }
.footer-col ul   { list-style: none; }
.footer-col li   { margin-bottom: .5rem; }
.footer-col a    { color: rgba(255,255,255,.6); font-size: .87rem; transition: var(--transicion); }
.footer-col a:hover { color: var(--naranja-claro); }
.footer-bottom {
    max-width: 1120px;
    margin: 0 auto;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255,255,255,.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: .75rem;
    font-size: .82rem;
}
.footer-bottom a { color: rgba(255,255,255,.5); transition: var(--transicion); }
.footer-bottom a:hover { color: var(--naranja-claro); }

/* ── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 900px) {
    .qs-grid       { grid-template-columns: 1fr; gap: 2.5rem; }
    .contacto-grid { grid-template-columns: 1fr; }
    .footer-inner  { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .navbar-toggle-pub { display: block; }
    .navbar-links-pub {
        display: none;
        position: fixed;
        top: 0; left: 0; right: 0;
        background: var(--azul-oscuro);
        padding: 4.5rem 1.5rem 2rem;
        flex-direction: column;
        align-items: flex-start;
        gap: .25rem;
        z-index: 999;
        box-shadow: var(--sombra-l);
    }
    .navbar-links-pub.abierto { display: flex; }
    .navbar-links-pub a { width: 100%; padding: .75rem 1rem; font-size: 1rem; }
    .navbar-links-pub .btn-acceso { margin-left: 0; margin-top: .5rem; text-align: center; }

    .seccion { padding: 4rem 1.25rem; }
    .hero-titulo { font-size: 2rem; }
    .qs-valores { grid-template-columns: 1fr; }
    .directiva-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
    .socios-grid    { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
    .stats-grid     { grid-template-columns: 1fr 1fr; }
    .footer-inner   { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .hero-botones { flex-direction: column; align-items: center; }
}