:root {
    --navy: #1d2b8f;
    --blue: #1e8fd6;
    --sky: #e8f4fc;
    --green: #3aa845;
    --yellow: #f6c200;
    --orange: #f28c00;
    --red: #e4352b;
    --ink: #1f2540;
    --muted: #5d6480;
    --line: #dfe4ef;
    --bg: #f5f8fc;
    --card: #ffffff;
    --radius: 18px;
    --shadow: 0 10px 30px rgba(29, 43, 143, .08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: 'Nunito', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    color: var(--ink);
    background: var(--bg);
    font-size: 17px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--blue); }

.franja {
    height: 6px;
    background: linear-gradient(90deg, var(--blue) 0 25%, var(--green) 25% 50%, var(--yellow) 50% 70%, var(--orange) 70% 85%, var(--red) 85%);
}

.wrap { max-width: 860px; margin: 0 auto; padding: 0 20px; }

/* ---------- Encabezado ---------- */
.top {
    background: #fff;
    border-bottom: 1px solid var(--line);
}
.top .wrap { display: flex; align-items: center; gap: 16px; padding-top: 12px; padding-bottom: 12px; }
.top img { height: 64px; width: auto; }
.top .programas { font-size: 13px; color: var(--muted); line-height: 1.35; border-left: 2px solid var(--line); padding-left: 16px; }
.top .programas strong { color: var(--navy); display: block; font-size: 14px; }

.hero {
    background:
        radial-gradient(circle at 92% 20%, rgba(246, 194, 0, .18) 0 120px, transparent 121px),
        radial-gradient(circle at 92% 20%, rgba(58, 168, 69, .12) 0 190px, transparent 191px),
        radial-gradient(circle at 92% 20%, rgba(30, 143, 214, .10) 0 270px, transparent 271px),
        linear-gradient(180deg, #eef6fd, var(--bg));
    padding: 40px 0 28px;
    overflow: hidden;
}
.etiqueta {
    display: inline-block;
    background: #fff;
    color: var(--green);
    font-weight: 800;
    font-size: 13px;
    letter-spacing: .06em;
    text-transform: uppercase;
    padding: 6px 14px;
    border-radius: 999px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, .05);
}
.hero h1 {
    font-size: clamp(34px, 7vw, 54px);
    line-height: 1.05;
    margin: 14px 0 6px;
    color: var(--navy);
    font-weight: 900;
    letter-spacing: -.02em;
}
.hero .sub { font-size: clamp(19px, 3.4vw, 24px); color: var(--blue); font-weight: 700; margin: 0 0 14px; }
.hero p.intro { max-width: 600px; color: var(--muted); margin: 0; }

.datos-rapidos {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-top: 24px;
}
.dato {
    background: #fff;
    border-radius: 14px;
    padding: 12px 14px;
    box-shadow: var(--shadow);
    font-size: 14px;
    color: var(--muted);
    display: flex; gap: 10px; align-items: center;
}
.dato svg { flex: 0 0 auto; }
.dato b { display: block; color: var(--ink); font-size: 16px; }

/* ---------- Tarjetas / secciones ---------- */
.card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 26px;
    margin: 22px 0;
}
.paso-titulo { display: flex; align-items: center; gap: 12px; margin: 0 0 6px; font-size: 22px; color: var(--navy); }
.paso-num {
    width: 34px; height: 34px; border-radius: 50%;
    background: var(--navy); color: #fff;
    display: grid; place-items: center;
    font-size: 17px; font-weight: 800; flex: 0 0 auto;
}
.paso-desc { color: var(--muted); margin: 0 0 18px; font-size: 15px; }

.requisitos { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.requisitos li { display: flex; gap: 10px; align-items: flex-start; }
.requisitos li::before {
    content: '';
    width: 22px; height: 22px; flex: 0 0 auto; margin-top: 2px;
    border-radius: 50%;
    background: var(--green) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12.5l4 4 8-9'/%3E%3C/svg%3E") center/14px no-repeat;
}

/* ---------- Selección de día ---------- */
.dias { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.dia { position: relative; }
.dia input { position: absolute; opacity: 0; pointer-events: none; }
.dia label {
    display: block;
    border: 2px solid var(--line);
    border-radius: 16px;
    padding: 16px 16px 14px;
    cursor: pointer;
    background: #fff;
    transition: border-color .15s, box-shadow .15s, transform .15s;
    height: 100%;
}
.dia label:hover { border-color: #b9c6e4; transform: translateY(-1px); }
.dia input:focus-visible + label { outline: 3px solid rgba(30, 143, 214, .45); outline-offset: 2px; }
.dia input:checked + label {
    border-color: var(--blue);
    box-shadow: 0 0 0 4px rgba(30, 143, 214, .15);
    background: #f7fbff;
}
.dia .nombre { font-size: 21px; font-weight: 900; color: var(--navy); display: flex; justify-content: space-between; align-items: center; }
.dia .check {
    width: 26px; height: 26px; border-radius: 50%;
    border: 2px solid var(--line); flex: 0 0 auto;
    transition: all .15s;
}
.dia input:checked + label .check {
    background: var(--blue) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12.5l4 4 8-9'/%3E%3C/svg%3E") center/16px no-repeat;
    border-color: var(--blue);
}
.dia .fechas { font-size: 14px; color: var(--muted); margin: 2px 0 10px; }
.dia .hora { font-size: 15px; font-weight: 700; color: var(--ink); }
.barra { height: 8px; background: #edf0f6; border-radius: 99px; overflow: hidden; margin: 12px 0 6px; }
.barra span { display: block; height: 100%; background: var(--green); border-radius: 99px; }
.barra.media span { background: var(--orange); }
.barra.llena span { background: var(--red); }
.cupos { font-size: 14px; font-weight: 700; color: var(--green); }
.cupos.pocos { color: var(--orange); }
.cupos.lleno { color: var(--red); }
.dia.completo label { background: #fafafa; }

/* ---------- Formulario ---------- */
.campos { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.campo { display: flex; flex-direction: column; }
.campo.full { grid-column: 1 / -1; }
.campo label { font-weight: 800; font-size: 15px; margin-bottom: 6px; }
.campo label .opc { font-weight: 600; color: var(--muted); font-size: 13px; }
.campo input, .campo select {
    font: inherit;
    font-size: 17px;
    padding: 13px 14px;
    border: 2px solid var(--line);
    border-radius: 12px;
    background: #fff;
    color: var(--ink);
    transition: border-color .15s, box-shadow .15s;
    width: 100%;
}
.campo input:focus, .campo select:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 4px rgba(30, 143, 214, .15);
}
.campo .ayuda { font-size: 13px; color: var(--muted); margin-top: 5px; }
.campo .err, .err-general { font-size: 14px; color: var(--red); font-weight: 700; margin-top: 6px; display: none; }
.campo.invalido input, .campo.invalido select { border-color: var(--red); background: #fff8f7; }
.campo.invalido .err { display: block; }
.campo.valido input { border-color: var(--green); }
.prefijo { display: flex; }
.prefijo span {
    padding: 13px 12px; border: 2px solid var(--line); border-right: 0;
    border-radius: 12px 0 0 12px; background: #f3f5fa; color: var(--muted); font-weight: 700;
}
.prefijo input { border-radius: 0 12px 12px 0; }

.confirmaciones { display: grid; gap: 12px; margin-top: 6px; }
.chk { display: flex; gap: 12px; align-items: flex-start; cursor: pointer; font-size: 15px; }
.chk input { width: 24px; height: 24px; margin: 1px 0 0; accent-color: var(--blue); flex: 0 0 auto; }
.chk.invalido { color: var(--red); }

.alerta {
    border-radius: 14px; padding: 14px 16px; margin: 0 0 18px; font-size: 15px;
    background: #fff4f3; border: 1px solid #f6c5c1; color: #9c2219;
}
.alerta.info { background: #eef6fd; border-color: #c5e1f6; color: #144f7a; }
.alerta.aviso { background: #fff8e6; border-color: #f7dd9a; color: #7a5600; }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 10px;
    font: inherit; font-weight: 800; font-size: 18px;
    padding: 16px 28px;
    border-radius: 999px;
    border: 0;
    cursor: pointer;
    background: var(--navy);
    color: #fff;
    text-decoration: none;
    transition: transform .1s, box-shadow .15s, background .15s;
    box-shadow: 0 8px 20px rgba(29, 43, 143, .25);
}
.btn:hover { background: #16226f; }
.btn:active { transform: scale(.98); }
.btn[disabled] { opacity: .6; cursor: wait; }
.btn.sec { background: #fff; color: var(--navy); border: 2px solid var(--line); box-shadow: none; }
.btn.sec:hover { border-color: var(--navy); }
.btn.full { width: 100%; }

.resumen-envio { font-size: 14px; color: var(--muted); text-align: center; margin-top: 12px; }

/* ---------- Confirmación ---------- */
.exito { text-align: center; padding: 34px 26px; }
.exito .icono {
    width: 86px; height: 86px; border-radius: 50%; margin: 0 auto 14px;
    display: grid; place-items: center;
    background: var(--green); color: #fff;
    box-shadow: 0 0 0 10px rgba(58, 168, 69, .15);
}
.exito.espera .icono { background: var(--orange); box-shadow: 0 0 0 10px rgba(242, 140, 0, .15); }
.exito h2 { color: var(--navy); font-size: 28px; margin: 10px 0 6px; }
.comprobante {
    text-align: left; border: 2px dashed var(--line); border-radius: 16px;
    padding: 18px 20px; margin: 22px 0; display: grid; gap: 8px;
}
.comprobante div { display: flex; justify-content: space-between; gap: 16px; border-bottom: 1px solid #f0f2f7; padding-bottom: 8px; }
.comprobante div:last-child { border: 0; padding: 0; }
.comprobante span { color: var(--muted); }
.comprobante b { text-align: right; }
.consejos { text-align: left; }
.consejos h3 { color: var(--navy); margin: 0 0 8px; font-size: 18px; }
.acciones { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 24px; }

footer.pie { text-align: center; color: var(--muted); font-size: 13px; padding: 26px 20px 40px; }

@media (max-width: 720px) {
    .datos-rapidos { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
    body { font-size: 16px; }
    .card { padding: 20px 16px; border-radius: 16px; }
    .campos { grid-template-columns: 1fr; }
    .dias { grid-template-columns: 1fr; }
    .top img { height: 52px; }
    .top .programas { font-size: 12px; }
}

@media print {
    .top, .hero, .acciones, footer.pie, .no-print { display: none !important; }
    body { background: #fff; }
    .card { box-shadow: none; border: 1px solid var(--line); }
}

/* ---------- Correcciones de maquetación ---------- */
.dia label > span { display: block; }
.barra > span { display: block; }
.requisitos li { display: block; position: relative; padding-left: 32px; }
.requisitos li::before { position: absolute; left: 0; top: 1px; margin: 0; }
.datos-rapidos, .dias, .campos { grid-template-columns: repeat(var(--cols, 2), minmax(0, 1fr)); }
.datos-rapidos { --cols: 4; }
.dato > div { min-width: 0; }
.top .programas { min-width: 0; }
@media (max-width: 720px) { .datos-rapidos { --cols: 2; } }
@media (max-width: 560px) { .dias, .campos { --cols: 1; } .dato { padding: 10px; font-size: 13px; } .dato b { font-size: 15px; } }

/* ---------- Protección de datos ---------- */
.privacidad-box { background: #f4f7fc; border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; margin: 18px 0 14px; font-size: 14px; color: #3b4263; }
.privacidad-tit { display: flex; align-items: center; gap: 8px; font-weight: 900; color: var(--navy); font-size: 15px; margin-bottom: 8px; }
.privacidad-box ul { margin: 0 0 10px; padding-left: 18px; display: grid; gap: 4px; }
.privacidad-box a { font-weight: 800; }
.legal h2 { color: var(--navy); font-size: 20px; margin: 26px 0 8px; }
.legal h2:first-of-type { margin-top: 6px; }
.legal p, .legal li { color: #3b4263; }
.legal ul { padding-left: 20px; display: grid; gap: 6px; }
.legal .derechos { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; list-style: none; padding: 0; }
.legal .derechos li { background: #f4f7fc; border-radius: 12px; padding: 10px 14px; }
.legal .derechos b { color: var(--navy); display: block; }
@media (max-width: 560px) { .legal .derechos { grid-template-columns: 1fr; } }
.chk-err { display: none; color: var(--red); font-size: 14px; font-weight: 700; margin: -4px 0 0 36px; }
.chk.invalido + .chk-err { display: block; }