/* ============================================================
   Generación de cupones
   ------------------------------------------------------------
   1. Contraste de la página
   2. Franja de marca + cabecera
   3. Rejilla y paneles
   4. Aliado en contexto
   5. Pasos y condiciones
   6. Formulario y errores
   7. Aviso (aliado sin cupón)
   8. Resultado
   9. Ticket
   10. Responsive
   11. Impresión
   ============================================================ */

/* ---------- 1. Contraste ---------- */
.page-coupon {
    --muted: #46546b;
    --muted-soft: #5f6b82;
    background: var(--bg);
}

/* ---------- 2. Franja de marca + cabecera ---------- */
.coupon-band {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    padding: clamp(1.25rem, 3vw, 1.75rem) 0 clamp(5rem, 9vw, 6.5rem);
    background:
        radial-gradient(120% 140% at 85% 0%, #3d5da3 0%, rgba(61, 93, 163, 0) 60%),
        linear-gradient(150deg, #07101f 0%, #15294d 55%, #2b4a86 100%);
    color: #fff;
}

.coupon-band::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image:
        linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
    background-size: 64px 64px;
    pointer-events: none;
}

.coupon-band .breadcrumb {
    margin: 0 0 clamp(1.25rem, 3vw, 1.75rem);
    color: rgba(226, 236, 255, .6);
}

.coupon-band .breadcrumb a {
    color: rgba(233, 240, 255, .85);
}

.coupon-band .breadcrumb a:hover,
.coupon-band .breadcrumb span[aria-current] {
    color: #fff;
}

.coupon-band .breadcrumb .icon {
    opacity: .5;
}

.coupon-head {
    max-width: 42rem;
}

.coupon-head__eyebrow {
    color: rgba(215, 227, 251, .75);
    font-size: .7rem;
    font-weight: 800;
    letter-spacing: .16em;
    text-transform: uppercase;
}

.coupon-head__title {
    margin-top: .4rem;
    color: #fff;
    font-size: clamp(1.9rem, 4vw, 2.8rem);
    font-weight: 800;
    letter-spacing: -.04em;
    line-height: 1.08;
}

.coupon-head__lead {
    margin-top: .6rem;
    color: rgba(226, 236, 255, .8);
    font-size: .95rem;
    line-height: 1.7;
}

/* Variante del resultado: centrada */
.coupon-band--result {
    text-align: center;
}

.coupon-band--result .coupon-head__lead {
    max-width: 34rem;
    margin-inline: auto;
}

/* El contenido sube y se monta sobre la franja */
.coupon-page {
    position: relative;
    z-index: 1;
    margin-top: calc(-1 * clamp(3rem, 6vw, 4.25rem));
    padding-bottom: clamp(3rem, 6vw, 5rem);
}

/* ---------- 3. Rejilla y paneles ---------- */
.coupon-grid {
    display: grid;
    grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr);
    align-items: start;
    gap: clamp(1.25rem, 3vw, 2rem);
}

.coupon-aside {
    position: sticky;
    top: calc(var(--header-h, 4.5rem) + 1.25rem);
    display: grid;
    gap: 1rem;
}

.coupon-panel {
    padding: clamp(1.15rem, 2.4vw, 1.5rem);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: #fff;
    box-shadow: var(--shadow-sm);
}

.coupon-panel--form {
    padding: clamp(1.4rem, 3vw, 2.1rem);
    border-color: var(--line-strong);
    border-radius: var(--radius-lg);
    box-shadow: 0 40px 70px -45px rgba(7, 16, 31, .55);
}

.coupon-panel__title {
    margin-bottom: .85rem;
    color: var(--navy-700);
    font-size: .74rem;
    font-weight: 800;
    letter-spacing: .11em;
    text-transform: uppercase;
}

.coupon-panel__title--lg {
    margin-bottom: .25rem;
    font-size: 1.3rem;
    letter-spacing: -.02em;
    text-transform: none;
}

.coupon-form__hint {
    margin-bottom: 1.3rem;
    color: var(--muted-soft);
    font-size: .82rem;
}

/* ---------- 4. Aliado en contexto ---------- */
.coupon-ally {
    display: flex;
    align-items: center;
    gap: .8rem;
}

.ally-media--thumb {
    width: 4.4rem;
    height: 4.4rem;
    flex: none;
    aspect-ratio: auto;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
}

.ally-media--thumb .ally-media__bg {
    filter: blur(16px);
    opacity: .3;
}

.ally-media--thumb .ally-media__img {
    padding: .2rem;
    object-fit: cover;
}

.ally-media--thumb.ally-media--empty span {
    font-size: 1.35rem;
}

.coupon-ally__label {
    color: var(--muted-soft);
    font-size: .66rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.coupon-ally__name {
    margin-top: .1rem;
    color: var(--ink-800);
    font-size: 1.02rem;
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -.02em;
}

.coupon-ally__cat {
    margin-top: .15rem;
    color: var(--muted);
    font-size: .74rem;
}

.coupon-ally__place {
    display: flex;
    align-items: flex-start;
    gap: .35rem;
    margin-top: .9rem;
    color: var(--muted);
    font-size: .78rem;
    line-height: 1.5;
}

.coupon-ally__place .icon {
    margin-top: .1rem;
    color: var(--brand-500);
}

/* Beneficios del aliado: mismo estilo compacto de la ficha, sin línea lateral */
.coupon-benefits {
    display: grid;
    gap: .4rem;
    margin-top: .9rem;
}

.coupon-benefits li {
    display: flex;
    align-items: flex-start;
    gap: .55rem;
    padding: .5rem .65rem;
    border: 1px solid var(--brand-100);
    border-radius: var(--radius-sm);
    background: var(--brand-50);
    color: var(--navy-700);
    font-size: .8rem;
    font-weight: 600;
    line-height: 1.45;
}

.coupon-benefits__check {
    display: inline-flex;
    flex: none;
    align-items: center;
    justify-content: center;
    width: 1.3rem;
    height: 1.3rem;
    border-radius: 50%;
    background: var(--brand-600);
    color: #fff;
}

/* Beneficio mostrado al elegir un aliado en el selector */
.coupon-ally__benefit {
    margin-top: .7rem;
    padding: .6rem .8rem;
    border: 1px solid var(--brand-100);
    border-radius: var(--radius-sm);
    background: var(--brand-50);
    color: var(--navy-700);
    font-size: .8rem;
    font-weight: 600;
    line-height: 1.5;
}

.coupon-ally__link {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    margin-top: 1rem;
    color: var(--brand-500);
    font-size: .78rem;
    font-weight: 700;
}

.coupon-ally__link:hover {
    color: var(--navy-700);
}

.coupon-ally__link .icon {
    transition: transform .2s;
}

.coupon-ally__link:hover .icon {
    transform: translateX(2px);
}

/* ---------- 5. Pasos y condiciones ---------- */
.coupon-steps,
.coupon-conditions {
    display: grid;
    gap: .55rem;
    color: var(--ink-700);
    font-size: .82rem;
    line-height: 1.55;
}

.coupon-steps {
    counter-reset: paso;
}

.coupon-steps li {
    position: relative;
    padding-left: 1.85rem;
    counter-increment: paso;
}

.coupon-steps li::before {
    content: counter(paso);
    position: absolute;
    top: .05rem;
    left: 0;
    display: grid;
    place-items: center;
    width: 1.3rem;
    height: 1.3rem;
    border-radius: 50%;
    background: var(--brand-100);
    color: var(--brand-600);
    font-size: .66rem;
    font-weight: 800;
}

.coupon-conditions li {
    position: relative;
    padding-left: 1.1rem;
    color: var(--muted);
}

.coupon-conditions li::before {
    content: "";
    position: absolute;
    top: .55rem;
    left: 0;
    width: .38rem;
    height: .38rem;
    border-radius: 50%;
    background: var(--brand-200);
}

/* ---------- 6. Formulario y errores ---------- */
.coupon-fields {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.coupon-fields .field--full {
    grid-column: 1 / -1;
}

.coupon-panel .field {
    margin-bottom: 1rem;
}

.coupon-fields .field {
    margin-bottom: 0;
}

.coupon-panel .field__help {
    margin-top: .3rem;
    color: var(--muted-soft);
    font-size: .72rem;
}

.coupon-panel .field__error {
    margin-top: .35rem;
    color: #b42318;
    font-size: .75rem;
    font-weight: 600;
}

/* Campo marcado por el servidor o por el JS */
.coupon-panel .input[aria-invalid="true"],
.coupon-panel .select[aria-invalid="true"] {
    border-color: #d92d20;
    box-shadow: 0 0 0 3px rgba(217, 45, 32, .12);
}

.field--check {
    margin-top: 1.1rem !important;
}

.checkbox {
    display: flex;
    align-items: flex-start;
    gap: .6rem;
    cursor: pointer;
    color: var(--muted);
    font-size: .78rem;
    line-height: 1.55;
}

.checkbox input {
    flex: none;
    width: 1.05rem;
    height: 1.05rem;
    margin-top: .15rem;
    accent-color: var(--brand-600);
}

.checkbox input[aria-invalid="true"] {
    outline: 2px solid #d92d20;
    outline-offset: 2px;
}

.coupon-submit {
    margin-top: 1.35rem;
}

.coupon-form__note {
    margin-top: .65rem;
    color: var(--muted-soft);
    font-size: .72rem;
    text-align: center;
}

.coupon-panel .alert {
    margin-bottom: 1.25rem;
}

/* ---------- 7. Aviso (aliado sin cupón) ---------- */
.coupon-notice {
    display: flex;
    align-items: flex-start;
    gap: .65rem;
    margin-bottom: 1.25rem;
    padding: .85rem 1rem;
    border: 1px solid #f5d48a;
    border-radius: var(--radius-sm);
    background: #fffaeb;
    color: #7a4b00;
    font-size: .82rem;
    line-height: 1.5;
}

.coupon-notice .icon {
    flex: none;
    margin-top: .1rem;
}

.coupon-notice strong {
    display: block;
    color: #5c3800;
}

.coupon-notice p {
    margin-top: .15rem;
}

.coupon-notice a {
    display: inline-block;
    margin-top: .35rem;
    color: #5c3800;
    font-weight: 700;
    text-decoration: underline;
}

/* ---------- 8. Resultado ---------- */
.coupon-result {
    max-width: 54rem;
    margin-inline: auto;
}

.coupon-result__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    margin-bottom: .8rem;
    border: 1px solid rgba(255, 255, 255, .25);
    border-radius: 50%;
    background: rgba(255, 255, 255, .12);
    color: #fff;
}

.coupon-result__actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .6rem;
    max-width: 32rem;
    margin: 1.5rem auto 0;
}

.coupon-result__again {
    margin-top: 1.1rem;
    text-align: center;
}

.coupon-result__again a {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    color: var(--brand-500);
    font-size: .8rem;
    font-weight: 700;
}

.coupon-result__again a:hover {
    color: var(--navy-700);
}

/* ---------- 9. Ticket ---------- */
.ticket {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .95fr);
    overflow: hidden;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-lg);
    background: #fff;
    box-shadow: 0 40px 70px -45px rgba(7, 16, 31, .6);
    animation: ticket-in .45s var(--ease, ease-out) both;
}

@keyframes ticket-in {
    from {
        opacity: 0;
        transform: translateY(14px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.ticket__main {
    position: relative;
    padding: clamp(1.5rem, 4vw, 2.3rem);
    background:
        radial-gradient(120% 130% at 85% 0%, rgba(91, 124, 196, .55) 0%, rgba(91, 124, 196, 0) 60%),
        linear-gradient(155deg, #0b1729 0%, #1a3562 70%, #27497f 100%);
    color: #fff;
}

.ticket__main::after {
    content: "";
    position: absolute;
    right: -3rem;
    bottom: -4rem;
    width: 12rem;
    height: 12rem;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(116, 160, 230, .3) 0%, rgba(116, 160, 230, 0) 65%);
    pointer-events: none;
}

.ticket__logo {
    width: auto;
    height: 30px;
    margin-bottom: 1.4rem;
}

.ticket__eyebrow {
    color: rgba(215, 227, 251, .75);
    font-size: .66rem;
    font-weight: 800;
    letter-spacing: .16em;
    text-transform: uppercase;
}

.ticket__ally {
    margin-top: .35rem;
    color: #fff;
    font-size: clamp(1.4rem, 3vw, 2rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -.03em;
}

.ticket__place {
    display: flex;
    align-items: center;
    gap: .35rem;
    margin-top: .5rem;
    color: rgba(226, 236, 255, .75);
    font-size: .78rem;
}

/* Beneficios: tarjetas compactas sin línea lateral */
.ticket__benefits {
    position: relative;
    z-index: 1;
    display: grid;
    gap: .4rem;
    margin-top: 1.1rem;
}

.ticket__benefits li {
    padding: .55rem .75rem;
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, .08);
    color: #eaf1ff;
    font-size: .84rem;
    font-weight: 600;
    line-height: 1.5;
}

.ticket__validity {
    display: flex;
    align-items: center;
    gap: .35rem;
    margin-top: 1.2rem;
    color: rgba(226, 236, 255, .75);
    font-size: .78rem;
}

.ticket__validity strong {
    color: #fff;
}

.ticket__stub {
    position: relative;
    padding: clamp(1.5rem, 4vw, 2.3rem);
    border-left: 2px dashed var(--line-strong);
    background: #fff;
}

/* Muescas del ticket */
.ticket__stub::before,
.ticket__stub::after {
    content: "";
    position: absolute;
    left: -9px;
    width: 16px;
    height: 16px;
    border: 1px solid var(--line);
    border-radius: 50%;
    background: var(--bg);
}

.ticket__stub::before {
    top: -9px;
    clip-path: inset(50% 0 0 0);
}

.ticket__stub::after {
    bottom: -9px;
    clip-path: inset(0 0 50% 0);
}

.ticket__label {
    color: var(--muted-soft);
    font-size: .64rem;
    font-weight: 800;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.ticket__code {
    margin-top: .25rem;
    color: var(--navy-700);
    font-family: ui-monospace, 'Cascadia Code', 'SFMono-Regular', Consolas, monospace;
    font-size: clamp(1.45rem, 3.6vw, 2rem);
    font-weight: 800;
    letter-spacing: .1em;
    line-height: 1.2;
    user-select: all;
    overflow-wrap: anywhere;
}

.ticket__stub .btn {
    margin-top: .8rem;
}

.ticket__meta {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .7rem;
    margin-top: 1.3rem;
    padding-top: 1.1rem;
    border-top: 1px solid var(--line);
}

.ticket__meta-wide {
    grid-column: 1 / -1;
}

.ticket__meta dt {
    color: var(--muted-soft);
    font-size: .62rem;
    font-weight: 800;
    letter-spacing: .09em;
    text-transform: uppercase;
}

.ticket__meta dd {
    margin-top: .1rem;
    color: var(--ink-700);
    font-size: .84rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    overflow-wrap: anywhere;
}

.ticket__note {
    margin-top: 1.1rem;
    color: var(--muted);
    font-size: .72rem;
    line-height: 1.55;
}

.print-only {
    display: none;
}

/* ---------- 10. Responsive ---------- */
@media (max-width: 920px) {
    .coupon-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    /* En celular/tablet el formulario va primero */
    .coupon-panel--form {
        order: -1;
    }

    .coupon-aside {
        position: static;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .coupon-aside .coupon-panel:first-child:not(:last-child):nth-last-child(3) {
        grid-column: 1 / -1;
    }
}

@media (max-width: 640px) {
    .coupon-aside,
    .coupon-fields,
    .coupon-result__actions {
        grid-template-columns: minmax(0, 1fr);
    }

    .coupon-aside .coupon-panel {
        grid-column: auto !important;
    }

    .ticket {
        grid-template-columns: minmax(0, 1fr);
    }

    .ticket__stub {
        border-top: 2px dashed var(--line-strong);
        border-left: 0;
    }

    .ticket__stub::before,
    .ticket__stub::after {
        top: -9px;
        bottom: auto;
        clip-path: inset(50% 0 0 0);
    }

    .ticket__stub::before {
        left: -9px;
    }

    .ticket__stub::after {
        right: -9px;
        left: auto;
    }
}

@media (prefers-reduced-motion: reduce) {
    .ticket {
        animation: none;
    }

    .coupon-ally__link .icon {
        transition: none;
    }
}

/* ---------- 11. Impresión ---------- */
@media print {
    .no-print,
    .site-header,
    .site-footer {
        display: none !important;
    }

    .print-only {
        display: block;
    }

    body,
    .page-coupon {
        background: #fff;
    }

    .coupon-page {
        width: 100%;
        max-width: none;
        margin: 0;
        padding: 0;
    }

    .coupon-result {
        max-width: none;
    }

    .ticket {
        grid-template-columns: 1.35fr .95fr;
        border: 1px solid #bbb;
        border-radius: 0;
        box-shadow: none;
        animation: none;
        break-inside: avoid;
    }

    .ticket__main {
        border-right: 2px dashed #bbb;
        background: #fff;
        color: #111;
    }

    .ticket__main::after,
    .ticket__stub::before,
    .ticket__stub::after {
        display: none;
    }

    .ticket__stub {
        border-left: 0;
    }

    .ticket__ally,
    .ticket__validity strong {
        color: #111;
    }

    .ticket__eyebrow,
    .ticket__place,
    .ticket__validity {
        color: #555;
    }

    .ticket__benefits li {
        border-color: #ddd;
        background: #f4f4f4;
        color: #111;
    }
}