/* ================================================================
   Planeatuentreno — Estilos principales
   ================================================================ */

:root {
    --naranja:  #FF6B35;
    --oscuro:   #1C1C2E;
    --gris:     #6B7280;
    --claro:    #F8F9FA;
    --blanco:   #FFFFFF;
    --borde:    #E5E7EB;
    --radio:    12px;
    --sombra:   0 2px 12px rgba(0,0,0,0.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Inter', 'Segoe UI', sans-serif;
    background: var(--claro);
    color: var(--oscuro);
    line-height: 1.6;
}

/* ---- Header & Nav ---- */
header {
    background: var(--oscuro);
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    gap: 16px;
}
.header-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    flex-shrink: 0;
}
.logo-img {
    height: 40px;
    width: auto;
    filter: invert(1);
    mix-blend-mode: screen;
}
.logo-texto { color: var(--blanco); font-size: 22px; font-weight: 700; letter-spacing: -0.5px; }
.logo-texto span { color: var(--naranja); }
.nav-menu {
    display: flex;
    align-items: center;
    gap: 2px;
    flex-wrap: nowrap;
}
.nav-link {
    color: rgba(255,255,255,0.75);
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    padding: 6px 11px;
    border-radius: 8px;
    transition: all 0.15s;
    white-space: nowrap;
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,0.1); }
.nav-link.activo { color: var(--naranja); }
.nav-link.nav-cta {
    background: var(--naranja);
    color: #fff !important;
    margin-left: 6px;
    padding: 6px 14px;
}
.nav-link.nav-cta:hover { background: #e55a2b; }

.header-gratis-centro {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    background: var(--naranja);
    color: #fff;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 7px 22px;
    border-radius: 99px;
    white-space: nowrap;
    pointer-events: none;
    box-shadow: 0 3px 16px rgba(255,107,53,0.55);
    animation: pulso 2.5s ease-in-out infinite;
}
@media (max-width: 820px) {
    header {
        flex-wrap: wrap;
        padding: 10px 16px 0;
    }
    .header-gratis-centro {
        position: static;
        transform: none;
        order: 3;
        width: 100%;
        text-align: center;
        border-radius: 0;
        padding: 8px 16px;
        font-size: 12px;
        margin: 0 -16px;
        width: calc(100% + 32px);
        box-shadow: none;
    }
}
.nav-toggle {
    display: none;
    background: none;
    border: 1.5px solid rgba(255,255,255,0.3);
    color: #fff;
    font-size: 20px;
    padding: 4px 10px;
    border-radius: 6px;
    cursor: pointer;
    line-height: 1;
}
@media (max-width: 820px) {
    .nav-toggle { display: block; }
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--oscuro);
        flex-direction: column;
        align-items: stretch;
        padding: 12px 16px 16px;
        gap: 2px;
        box-shadow: 0 8px 24px rgba(0,0,0,0.4);
        border-top: 1px solid rgba(255,255,255,0.1);
    }
    .nav-menu.abierto { display: flex; }
    .nav-link { padding: 10px 14px; border-radius: 8px; }
    .nav-link.nav-cta { margin-left: 0; margin-top: 6px; text-align: center; }
}

/* ---- Páginas internas ---- */
.pagina-hero {
    background: linear-gradient(135deg, var(--oscuro) 0%, #2d2d4e 100%);
    color: #fff;
    padding: 48px 24px 40px;
    text-align: center;
}
.pagina-hero h1 { font-size: clamp(22px,4vw,34px); font-weight: 800; margin-bottom: 10px; }
.pagina-hero h1 span { color: var(--naranja); }
.pagina-hero p { font-size: 16px; opacity: 0.8; max-width: 560px; margin: 0 auto; }
.pagina-contenido { max-width: 820px; margin: 0 auto; padding: 40px 20px 80px; }
.seccion-legal { background: #fff; border-radius: 10px; box-shadow: 0 2px 8px rgba(0,0,0,0.06); padding: 28px 32px; margin-bottom: 16px; }
.seccion-legal h2 { font-size: 16px; font-weight: 700; color: var(--oscuro); margin-bottom: 12px; border-left: 4px solid var(--naranja); padding-left: 12px; }
.seccion-legal p, .seccion-legal li { font-size: 14px; color: #4B5563; line-height: 1.8; margin-bottom: 10px; }
.seccion-legal ul { padding-left: 20px; }
.seccion-legal li { margin-bottom: 6px; }
.volver { display: inline-flex; align-items: center; gap: 6px; color: var(--naranja); font-weight: 600; text-decoration: none; font-size: 14px; margin-bottom: 28px; }
.volver:hover { text-decoration: underline; }
.fecha-update { font-size: 13px; color: var(--gris); margin-bottom: 24px; }
.promo-logo-img {
    height: 22px;
    width: auto;
    filter: invert(1);
    mix-blend-mode: screen;
    vertical-align: middle;
    margin-right: 4px;
}

/* ---- Hero ---- */
.hero {
    background:
        linear-gradient(135deg, rgba(28,28,46,0.78) 0%, rgba(45,45,78,0.72) 100%),
        url('../img/hero.png') center center / cover no-repeat;
    color: var(--blanco);
    padding: 60px 24px 50px;
    text-align: center;
}
.hero h1 { font-size: clamp(24px, 5vw, 40px); font-weight: 800; margin-bottom: 16px; }
.hero h1 span { color: var(--naranja); }
.gratis-badge {
    display: inline-block;
    background: var(--naranja);
    color: var(--blanco);
    font-size: clamp(13px, 2.5vw, 16px);
    font-weight: 800;
    letter-spacing: 2px;
    padding: 8px 24px;
    border-radius: 99px;
    margin-bottom: 20px;
    text-transform: uppercase;
    box-shadow: 0 4px 20px rgba(255,107,53,0.5);
    animation: pulso 2.5s ease-in-out infinite;
}
@keyframes pulso {
    0%, 100% { box-shadow: 0 4px 20px rgba(255,107,53,0.5); }
    50%       { box-shadow: 0 4px 32px rgba(255,107,53,0.9); }
}
.gratis-strip {
    background: linear-gradient(90deg, #1a3a1a, #2d5a2d);
    color: #86efac;
    border: 1px solid #4ade80;
    border-radius: 10px;
    padding: 14px 20px;
    text-align: center;
    font-size: 15px;
    margin-bottom: 16px;
}
.gratis-strip strong {
    color: #4ade80;
    font-size: 17px;
}
.hero p { font-size: 17px; opacity: 0.85; max-width: 580px; margin: 0 auto 32px; }
.hero-chips { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.hero-contador {
    margin-top: 28px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}
.contador-num {
    font-size: clamp(36px, 7vw, 56px);
    font-weight: 800;
    color: var(--naranja);
    line-height: 1;
    letter-spacing: -1px;
}
.contador-label {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    text-transform: uppercase;
    letter-spacing: 1px;
}
.chip {
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--blanco);
    padding: 6px 16px;
    border-radius: 99px;
    font-size: 14px;
}

/* ---- Layout ---- */
main { max-width: 880px; margin: 0 auto; padding: 40px 20px 60px; }

/* ---- Cards ---- */
.form-card {
    background: var(--blanco);
    border-radius: var(--radio);
    box-shadow: var(--sombra);
    padding: 32px;
    margin-bottom: 20px;
}
.form-card h2 { font-size: 18px; font-weight: 700; margin-bottom: 20px; }
.form-card h2 span { color: var(--naranja); }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 600px) { .form-grid { grid-template-columns: 1fr; } }

.form-grupo { display: flex; flex-direction: column; gap: 6px; }
.form-grupo.span2 { grid-column: span 2; }
@media (max-width: 600px) { .form-grupo.span2 { grid-column: span 1; } }

label { font-size: 14px; font-weight: 600; color: #374151; }

input[type=number], select {
    border: 1.5px solid var(--borde);
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 15px;
    width: 100%;
    transition: border-color 0.2s;
    background: var(--blanco);
}
input[type=number]:focus, select:focus { outline: none; border-color: var(--naranja); }

/* ---- Disciplinas ---- */
.disc-botones { display: flex; flex-wrap: wrap; gap: 10px; }
.btn-disc {
    border: 1.5px solid var(--borde);
    background: var(--blanco);
    border-radius: 10px;
    padding: 10px 18px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    color: var(--oscuro);
}
.btn-disc:hover { border-color: var(--naranja); color: var(--naranja); }
.btn-disc.activo { background: var(--naranja); border-color: var(--naranja); color: var(--blanco); }

/* ---- Distancias ---- */
.dist-botones { display: flex; flex-wrap: wrap; gap: 8px; }
.btn-dist, #btn-dist-custom, #btn-act-dist-custom {
    border: 1.5px solid var(--borde);
    background: var(--blanco);
    border-radius: 8px;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    color: var(--oscuro);
    text-align: center;
}
.btn-dist:hover, #btn-dist-custom:hover, #btn-act-dist-custom:hover { border-color: var(--naranja); color: var(--naranja); }
.btn-dist.activo, #btn-dist-custom.activo, #btn-act-dist-custom.activo {
    background: var(--naranja); border-color: var(--naranja); color: var(--blanco);
}
.btn-act-dist { border: 1.5px solid var(--borde); background: var(--blanco); border-radius: 8px;
    padding: 8px 14px; font-size: 14px; font-weight: 600; cursor: pointer; transition: all 0.15s; color: var(--oscuro); }
.btn-act-dist:hover { border-color: var(--naranja); color: var(--naranja); }
.btn-act-dist.activo { background: var(--naranja); border-color: var(--naranja); color: var(--blanco); }

/* Eventos triatlón */
.btn-evento {
    border: 1.5px solid var(--borde); background: var(--blanco); border-radius: 8px;
    padding: 10px 16px; font-size: 14px; font-weight: 600; cursor: pointer;
    transition: all 0.15s; color: var(--oscuro); line-height: 1.4;
}
.btn-evento:hover { border-color: var(--naranja); color: var(--naranja); }
.btn-evento.activo { background: var(--naranja); border-color: var(--naranja); color: var(--blanco); }
.btn-evento small { font-weight: 400; opacity: 0.85; font-size: 11px; display: block; }

/* ---- Tiempo ---- */
.tiempo-inputs,
.tiempo-hints { display: grid; grid-template-columns: 70px 24px 70px 24px 70px; align-items: center; }
.tiempo-inputs input { width: 70px; text-align: center; }
.tiempo-sep { font-size: 20px; font-weight: 700; color: var(--gris); text-align: center; }
.tiempo-hints { margin-top: 4px; }
.tiempo-hint { text-align: center; font-size: 11px; color: var(--gris); }

/* ---- Rango ---- */
.rango-wrap { display: flex; align-items: center; gap: 12px; margin-top: 8px; }
input[type=range] { flex: 1; accent-color: var(--naranja); }

/* ---- Días ---- */
.dias-opciones { display: flex; gap: 10px; }
.dia-btn {
    flex: 1; border: 1.5px solid var(--borde); background: var(--blanco); border-radius: 8px;
    padding: 10px; font-size: 14px; font-weight: 600; cursor: pointer; text-align: center;
    transition: all 0.15s; color: var(--oscuro); line-height: 1.4;
}
.dia-btn:hover { border-color: var(--naranja); }
.dia-btn.activo { background: var(--naranja); border-color: var(--naranja); color: var(--blanco); }
.dia-btn small { font-weight: 400; font-size: 12px; opacity: 0.85; display: block; }

.hint { font-size: 12px; color: var(--gris); margin-top: 4px; }

/* ---- Botón principal ---- */
.btn-primario {
    width: 100%; background: var(--naranja); color: var(--blanco); border: none;
    border-radius: 10px; padding: 16px; font-size: 17px; font-weight: 700; cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s; margin-top: 8px;
}
.btn-primario:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255,107,53,0.35); }

/* ---- Error ---- */
#error-msg {
    background: #FEE2E2; color: #991B1B; border: 1px solid #FCA5A5;
    border-radius: 8px; padding: 12px 16px; margin-top: 12px; font-size: 14px;
}

/* ---- Resultados ---- */
.resultados-header {
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap; gap: 12px; margin-bottom: 24px;
}
#resultado-titulo { font-size: 20px; font-weight: 800; }

.btn-accion {
    border: 1.5px solid var(--borde); background: var(--blanco); border-radius: 8px;
    padding: 8px 16px; font-size: 14px; font-weight: 600; cursor: pointer;
    transition: all 0.15s; color: var(--oscuro);
}
.btn-accion:hover { border-color: var(--naranja); color: var(--naranja); }

/* Stats */
.stats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 20px; }
@media (max-width: 600px) { .stats-grid { grid-template-columns: 1fr; } }

.stat-card {
    background: var(--blanco); border-radius: var(--radio); box-shadow: var(--sombra);
    padding: 24px; border-top: 4px solid var(--naranja);
}
.stat-label { font-size: 12px; font-weight: 600; color: var(--gris); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px; }
.stat-valor { font-size: 36px; font-weight: 800; color: var(--naranja); margin-bottom: 4px; }
.stat-sub { font-size: 13px; color: var(--gris); line-height: 1.5; }

/* Ritmos */
.ritmos-card {
    background: var(--blanco); border-radius: var(--radio); box-shadow: var(--sombra);
    padding: 24px; margin-bottom: 24px;
}
.ritmos-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 0; }

.tabla-ritmos { width: 100%; border-collapse: collapse; font-size: 14px; }
.tabla-ritmos th {
    text-align: left; padding: 8px 12px; background: var(--claro);
    font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--gris);
}
.tabla-ritmos td { padding: 10px 12px; border-bottom: 1px solid var(--borde); }
.tabla-ritmos tr:last-child td { border-bottom: none; }
.ritmo-valor { font-weight: 700; color: var(--naranja); white-space: nowrap; }
.ritmo-uso { color: var(--gris); font-size: 13px; }

/* Plan semanal */
#plan-semanas h2 { font-size: 18px; font-weight: 800; margin-bottom: 16px; }

.semana-card {
    background: var(--blanco); border-radius: var(--radio); box-shadow: var(--sombra);
    margin-bottom: 16px; overflow: hidden;
}
.semana-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 14px 20px; background: var(--claro); border-bottom: 1px solid var(--borde);
    flex-wrap: wrap; gap: 8px;
}
.semana-titulo { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.semana-num { font-weight: 800; font-size: 15px; }
.semana-fase { font-size: 13px; font-weight: 600; }
.badge-deload {
    background: #EDE7F6; color: #4A148C; border-radius: 99px;
    padding: 2px 10px; font-size: 12px; font-weight: 600;
}
.semana-vol { font-weight: 700; color: var(--naranja); font-size: 14px; }

.sesiones-lista { padding: 14px; display: flex; flex-direction: column; gap: 10px; }

.sesion-card { border-radius: 8px; padding: 12px 14px; }
.sesion-header { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; flex-wrap: wrap; }
.sesion-dia { font-size: 13px; font-weight: 700; color: #374151; min-width: 76px; }
.sesion-badge {
    color: white; border-radius: 99px; padding: 2px 10px;
    font-size: 12px; font-weight: 600; white-space: nowrap;
}
.sesion-km { margin-left: auto; font-weight: 700; font-size: 14px; color: #374151; white-space: nowrap; }
.sesion-desc { font-size: 13px; color: #4B5563; line-height: 1.5; white-space: pre-line; }

/* ---- Banner promocional ---- */
.promo-banner {
    background: linear-gradient(135deg, var(--oscuro) 0%, #2d2d4e 100%);
    border-radius: var(--radio);
    padding: 20px 28px;
    margin: 24px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.promo-banner::before {
    content: '';
    position: absolute;
    top: -30px; right: -30px;
    width: 120px; height: 120px;
    background: var(--naranja);
    opacity: 0.12;
    border-radius: 50%;
}
.promo-contenido {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 10px 20px;
}
.promo-logo {
    font-size: 18px;
    font-weight: 800;
    color: var(--blanco);
    letter-spacing: -0.3px;
    white-space: nowrap;
}
.promo-tagline {
    font-size: 13px;
    color: rgba(255,255,255,0.7);
}
.promo-cta {
    background: var(--naranja);
    color: var(--blanco);
    font-size: 13px;
    font-weight: 700;
    padding: 6px 16px;
    border-radius: 99px;
    white-space: nowrap;
}
.promo-sponsor-note {
    font-size: 10px;
    color: rgba(255,255,255,0.25);
    letter-spacing: 0.3px;
    margin-top: 2px;
}

/* ---- Footer ---- */
footer {
    background: var(--oscuro); color: rgba(255,255,255,0.5);
    text-align: center; padding: 24px; font-size: 13px;
}
footer strong { color: var(--naranja); }

/* ---- VO2 source selector ---- */
.vo2-source-opciones {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.vo2-source-opcion {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    border: 1.5px solid var(--borde);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.15s;
    background: var(--blanco);
}
.vo2-source-opcion:hover { border-color: var(--naranja); background: #FFF8F5; }
.vo2-source-opcion.activo { border-color: var(--naranja); background: #FFF3EE; }
.vo2-source-opcion input[type=radio] { display: none; }
.vo2-source-icon { font-size: 22px; flex-shrink: 0; }
.vo2-source-opcion span:last-child { display: flex; flex-direction: column; gap: 2px; }
.vo2-source-opcion strong { font-size: 14px; color: var(--oscuro); }
.vo2-source-opcion small { font-size: 12px; color: var(--gris); }

/* Active state set via JS, but also reflect checked radio */
.vo2-source-opcion:has(input:checked) {
    border-color: var(--naranja);
    background: #FFF3EE;
}

/* ---- Nivel de experiencia ---- */
.nivel-opciones {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}
@media (max-width: 600px) { .nivel-opciones { grid-template-columns: 1fr; } }

.nivel-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 16px 12px;
    border: 1.5px solid var(--borde);
    background: var(--blanco);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.15s;
    text-align: center;
    color: var(--oscuro);
}
.nivel-btn:hover { border-color: var(--naranja); background: #FFF8F5; }
.nivel-btn.activo { border-color: var(--naranja); background: var(--naranja); color: var(--blanco); }
.nivel-btn.activo small { color: rgba(255,255,255,0.8); }
.nivel-emoji { font-size: 24px; }
.nivel-btn strong { font-size: 14px; }
.nivel-btn small { font-size: 11px; color: var(--gris); font-weight: 400; line-height: 1.4; }

.btn-ejemplo-previo {
    background: transparent;
    border: 2px solid var(--naranja);
    color: var(--naranja);
    border-radius: 10px;
    padding: 12px 28px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s;
}
.btn-ejemplo-previo:hover {
    background: var(--naranja);
    color: #fff;
}

/* ---- Utilidades ---- */
.hidden { display: none !important; }

/* ---- Blog ---- */
.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px,1fr)); gap: 20px; margin-top: 8px; }
.blog-card { background: #fff; border-radius: var(--radio); box-shadow: var(--sombra); overflow: hidden; text-decoration: none; color: var(--oscuro); display: flex; flex-direction: column; transition: transform 0.15s, box-shadow 0.15s; }
.blog-card:hover { transform: translateY(-3px); box-shadow: 0 6px 20px rgba(0,0,0,0.12); }
.blog-card-img { background: linear-gradient(135deg, var(--oscuro), #2d2d4e); height: 140px; display: flex; align-items: center; justify-content: center; font-size: 52px; }
.blog-card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; gap: 8px; }
.blog-card-tag { font-size: 11px; font-weight: 700; color: var(--naranja); text-transform: uppercase; letter-spacing: 0.5px; }
.blog-card-titulo { font-size: 16px; font-weight: 700; line-height: 1.4; }
.blog-card-desc { font-size: 13px; color: var(--gris); line-height: 1.6; flex: 1; }
.blog-card-meta { font-size: 12px; color: #9CA3AF; margin-top: 4px; }
.blog-articulo { max-width: 720px; margin: 0 auto; padding: 40px 20px 80px; }
.blog-articulo h1 { font-size: clamp(22px,4vw,32px); font-weight: 800; margin-bottom: 12px; line-height: 1.3; }
.blog-articulo h2 { font-size: 20px; font-weight: 700; margin: 32px 0 12px; color: var(--oscuro); }
.blog-articulo h3 { font-size: 16px; font-weight: 700; margin: 24px 0 8px; }
.blog-articulo p { font-size: 15px; line-height: 1.85; color: #374151; margin-bottom: 16px; }
.blog-articulo ul, .blog-articulo ol { padding-left: 22px; margin-bottom: 16px; }
.blog-articulo li { font-size: 15px; line-height: 1.8; color: #374151; margin-bottom: 6px; }
.blog-articulo .destacado { background: linear-gradient(135deg,#fff8f5,#fff3ee); border-left: 4px solid var(--naranja); border-radius: 0 8px 8px 0; padding: 16px 20px; margin: 24px 0; font-size: 15px; color: #374151; }
.blog-meta { display: flex; gap: 16px; flex-wrap: wrap; font-size: 13px; color: var(--gris); margin-bottom: 28px; padding-bottom: 20px; border-bottom: 1px solid var(--borde); }
.cta-plan { background: linear-gradient(135deg, var(--oscuro), #2d2d4e); border-radius: var(--radio); padding: 28px; text-align: center; margin: 36px 0; color: #fff; }
.cta-plan h3 { font-size: 20px; font-weight: 800; margin-bottom: 8px; }
.cta-plan p { font-size: 14px; opacity: 0.8; margin-bottom: 16px; }
.cta-plan a { display: inline-block; background: var(--naranja); color: #fff; text-decoration: none; font-weight: 700; padding: 12px 28px; border-radius: 99px; font-size: 15px; }

/* ---- FAQ ---- */
.faq-item { background: #fff; border-radius: 10px; box-shadow: 0 2px 8px rgba(0,0,0,0.06); margin-bottom: 10px; overflow: hidden; }
.faq-pregunta { width: 100%; text-align: left; background: none; border: none; padding: 18px 24px; font-size: 15px; font-weight: 700; color: var(--oscuro); cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.faq-pregunta:hover { color: var(--naranja); }
.faq-pregunta .faq-icono { font-size: 20px; transition: transform 0.2s; flex-shrink: 0; color: var(--naranja); }
.faq-pregunta.abierto .faq-icono { transform: rotate(45deg); }
.faq-respuesta { display: none; padding: 0 24px 18px; font-size: 14px; color: #4B5563; line-height: 1.8; border-top: 1px solid var(--borde); padding-top: 14px; }
.faq-respuesta.abierto { display: block; }
.faq-categoria { font-size: 13px; font-weight: 800; color: var(--naranja); text-transform: uppercase; letter-spacing: 1px; margin: 32px 0 12px; }

/* ---- Patrocinadores ---- */
.sponsor-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px,1fr)); gap: 20px; margin-top: 8px; }
.sponsor-card { background: #fff; border-radius: var(--radio); box-shadow: var(--sombra); padding: 28px; text-align: center; border-top: 4px solid var(--naranja); }
.sponsor-card .precio { font-size: 36px; font-weight: 800; color: var(--naranja); margin: 8px 0; }
.sponsor-card .precio span { font-size: 16px; font-weight: 600; color: var(--gris); }
.sponsor-card ul { text-align: left; padding-left: 18px; margin: 16px 0; }
.sponsor-card li { font-size: 14px; color: #4B5563; margin-bottom: 6px; line-height: 1.6; }
.sponsor-card .btn-sponsor { display: block; background: var(--naranja); color: #fff; text-decoration: none; font-weight: 700; padding: 12px; border-radius: 8px; margin-top: 16px; font-size: 14px; }
.sponsor-card .btn-sponsor:hover { background: #e55a2b; }

/* ---- Planes ejemplo ---- */
.ejemplo-card { background: #fff; border-radius: var(--radio); box-shadow: var(--sombra); padding: 24px 28px; margin-bottom: 20px; border-left: 6px solid var(--naranja); }
.ejemplo-card h3 { font-size: 18px; font-weight: 800; margin-bottom: 6px; }
.ejemplo-card .ejemplo-meta { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.ejemplo-chip { background: var(--claro); border: 1px solid var(--borde); border-radius: 99px; font-size: 12px; font-weight: 600; padding: 4px 12px; color: #374151; }
.ejemplo-semanas { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px,1fr)); gap: 10px; margin-top: 12px; }
.ejemplo-semana { background: var(--claro); border-radius: 8px; padding: 12px 14px; font-size: 13px; }
.ejemplo-semana strong { display: block; margin-bottom: 4px; color: var(--oscuro); }
.ejemplo-semana span { color: var(--gris); }

/* ---- Sobre nosotros ---- */
.nosotros-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 600px) { .nosotros-grid { grid-template-columns: 1fr; } }
.valor-card { background: #fff; border-radius: 10px; box-shadow: var(--sombra); padding: 24px; text-align: center; }
.valor-card .valor-icon { font-size: 36px; margin-bottom: 10px; }
.valor-card h3 { font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.valor-card p { font-size: 13px; color: var(--gris); line-height: 1.6; }
.metodo-item { display: flex; gap: 16px; align-items: flex-start; padding: 16px 0; border-bottom: 1px solid var(--borde); }
.metodo-item:last-child { border-bottom: none; }
.metodo-num { font-size: 28px; font-weight: 800; color: var(--naranja); min-width: 40px; }
.metodo-item h3 { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.metodo-item p { font-size: 13px; color: var(--gris); line-height: 1.6; }

/* ---- Impresión ---- */
@media print {
    header, .hero, #seccion-form, .resultados-header .btn-accion,
    .sponsor-banner, footer { display: none !important; }
    main { padding: 0; max-width: 100%; }
    .semana-card { break-inside: avoid; box-shadow: none; border: 1px solid #ccc; }
    body { background: white; }
}