@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

/* =========================================================
   SISTEMA DE COLOR CLIMBER UP
   (alineado con inicio.html)
   ========================================================= */

#presupuesto-wrapper {
    --cu-bg: #0D1633;
    --cu-mid: #111B3A;
    --cu-upper: #1B2A6B;
    --cu-deep: #060E22;
    --cu-black: #080D18;

    --cu-card: #131F44;

    --cu-mag: #C0166A;
    --cu-blue: #4D9FFF;
    --cu-gold: #F5B800;

    --cu-white: #FFFFFF;
    --cu-text: #D9E0ED;
    --cu-soft: #C2CCDE;
    --cu-muted: #AEBBD0;

    --cu-radius: 18px;
    --cu-radius-lg: 28px;
    --cu-radius-btn: 8px;

    --cu-shadow: 0 28px 90px rgba(0, 0, 0, .30);

    padding: 40px 15px;
    max-width: 980px;
    margin: 0 auto;

    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--cu-text);
    line-height: 1.6;
}

#presupuesto-wrapper,
#presupuesto-wrapper * {
    box-sizing: border-box;
}

#presupuesto-wrapper a {
    color: var(--cu-gold);
}

#presupuesto-wrapper a:focus-visible,
#presupuesto-wrapper button:focus-visible,
#presupuesto-wrapper input:focus-visible,
#presupuesto-wrapper select:focus-visible,
#presupuesto-wrapper textarea:focus-visible {
    outline: 3px solid var(--cu-gold);
    outline-offset: 3px;
    border-radius: 6px;
}

/* =========================================================
   INDICADOR DE PASOS
   ========================================================= */

.steps-wrapper {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
    gap: 8px;
    flex-wrap: wrap;
}

.step-indicator {
    flex: 1;
    min-width: 110px;
    text-align: center;
    padding: 8px 6px;
    border-radius: 999px;
    background: rgba(255, 255, 255, .045);
    border: 1px solid rgba(255, 255, 255, .10);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    transition: background .3s ease, border-color .3s ease;
}

.step-number {
    width: 24px;
    height: 24px;
    border-radius: 999px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, .10);
    color: var(--cu-soft);
    font-weight: 800;
    font-size: 12px;
}

.step-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--cu-muted);
    font-weight: 700;
}

.step-active {
    background: rgba(245, 184, 0, .10);
    border-color: rgba(245, 184, 0, .5);
}

.step-active .step-number {
    background: var(--cu-gold);
    color: var(--cu-black);
}

.step-active .step-label {
    color: var(--cu-gold);
}

#barra-progreso {
    width: 100%;
    background: rgba(255, 255, 255, .08);
    border-radius: 10px;
    height: 8px;
    margin-bottom: 25px;
    overflow: hidden;
}

#progreso {
    width: 14%;
    height: 100%;
    background: var(--cu-gold);
    box-shadow: 0 0 12px rgba(245, 184, 0, .5);
    border-radius: 10px;
    transition: width .35s ease;
}

/* =========================================================
   TARJETA PRINCIPAL DEL FORMULARIO
   ========================================================= */

.card-form {
    background: linear-gradient(180deg, rgba(19, 31, 68, .98), rgba(12, 22, 51, .98));
    border: 1px solid rgba(255, 255, 255, .10);
    border-radius: var(--cu-radius-lg);
    padding: 32px 26px 34px;
    box-shadow: var(--cu-shadow);
}

.card-form h2 {
    margin-top: 0;
    margin-bottom: 10px;
    color: var(--cu-white);
    font-weight: 800;
    font-size: clamp(20px, 2.4vw, 28px);
    letter-spacing: -.02em;
}

.card-form h3 {
    color: var(--cu-white);
    font-weight: 800;
}

.card-form h4 {
    color: var(--cu-soft);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: .08em;
    font-weight: 800;
    margin: 22px 0 10px;
}

.card-form p {
    color: var(--cu-soft);
    margin-bottom: 20px;
    font-size: 14px;
}

.hero-image {
    max-width: 100%;
    border-radius: var(--cu-radius);
    margin: 10px 0 20px;
    object-fit: cover;
    border: 1px solid rgba(255, 255, 255, .10);
}

/* =========================================================
   CAMPOS DE FORMULARIO
   ========================================================= */

input,
textarea,
select {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid rgba(255, 255, 255, .16);
    border-radius: var(--cu-radius-btn);
    background: rgba(255, 255, 255, .045);
    color: var(--cu-white);
    font-family: inherit;
    font-size: 14px;
    box-sizing: border-box;
    transition: border-color .18s ease, background .18s ease;
}

input::placeholder,
textarea::placeholder {
    color: var(--cu-muted);
}

input:focus,
textarea:focus,
select:focus {
    border-color: var(--cu-gold);
    background: rgba(255, 255, 255, .07);
    outline: none;
}

select option {
    background: var(--cu-mid);
    color: var(--cu-white);
}

textarea {
    resize: vertical;
}

form {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 480px;
    margin: 0 auto;
}

label {
    text-align: left;
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--cu-soft);
}

/* =========================================================
   BOTONES
   ========================================================= */

.btn-principal,
.btn-elegir {
    background: var(--cu-mag);
    border: 1px solid var(--cu-mag);
    color: var(--cu-white) !important;
    padding: 13px 25px;
    min-height: 48px;
    border-radius: var(--cu-radius-btn);
    cursor: pointer;
    font-size: 14px;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    box-shadow: 0 0 24px rgba(192, 22, 106, .24);
    transition: transform .18s ease, opacity .18s ease;
}

.btn-principal:hover,
.btn-elegir:hover {
    transform: translateY(-2px);
    opacity: .94;
    background: var(--cu-mag);
}

.btn-secundario {
    background: rgba(77, 159, 255, .10);
    color: var(--cu-white);
    border: 1px solid rgba(77, 159, 255, .78);
    padding: 13px 22px;
    min-height: 48px;
    border-radius: var(--cu-radius-btn);
    cursor: pointer;
    font-size: 14px;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform .18s ease, opacity .18s ease;
}

.btn-secundario:hover {
    transform: translateY(-2px);
    opacity: .94;
    background: rgba(77, 159, 255, .16);
}

.botones-form {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    margin-top: 12px;
}

/* =========================================================
   OPCIONES DE SERVICIO
   ========================================================= */

.opcion-servicio {
    border: 1px solid rgba(255, 255, 255, .10);
    border-radius: var(--cu-radius);
    padding: 20px 20px 18px;
    margin-bottom: 16px;
    text-align: left;
    background: linear-gradient(180deg, rgba(19, 31, 68, .98), rgba(12, 22, 51, .98));
    transition: transform .18s ease, border-color .18s ease;
}

.opcion-servicio:hover {
    transform: translateY(-3px);
    border-color: rgba(245, 184, 0, .36);
}

.opcion-servicio h3 {
    margin-top: 0;
    margin-bottom: 6px;
    font-size: 17px;
}

.opcion-servicio p {
    margin-bottom: 14px;
    font-size: 13px;
    color: var(--cu-soft);
}

.opcion-servicio .btn-elegir {
    background: var(--cu-gold);
    border-color: var(--cu-gold);
    color: var(--cu-black) !important;
    box-shadow: 0 10px 30px rgba(245, 184, 0, .12);
}

.opcion-servicio .btn-elegir:hover {
    background: var(--cu-gold);
}

.form-section {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    flex-wrap: wrap;
}

.form-fields {
    flex: 1 1 240px;
}

.form-image {
    flex: 1 1 220px;
    text-align: center;
}

.form-image img {
    max-width: 100%;
    border-radius: var(--cu-radius);
    border: 1px solid rgba(255, 255, 255, .10);
}

/* =========================================================
   TARJETAS DE RADIO
   ========================================================= */

.radio-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 480px;
    margin: 0 auto 10px;
}

.radio-card {
    border-radius: var(--cu-radius);
    border: 1px solid rgba(255, 255, 255, .10);
    padding: 14px 16px;
    display: flex;
    gap: 12px;
    cursor: pointer;
    background: rgba(255, 255, 255, .045);
    transition: border-color .18s ease, background .18s ease;
}

.radio-card:hover {
    border-color: rgba(245, 184, 0, .45);
    background: rgba(245, 184, 0, .06);
}

.radio-card:has(input:checked) {
    border-color: var(--cu-gold);
    background: rgba(245, 184, 0, .09);
    box-shadow: 0 0 0 1px rgba(245, 184, 0, .3);
}

.radio-card input {
    width: auto;
    margin-top: 3px;
    accent-color: var(--cu-gold);
}

.radio-label strong {
    display: block;
    font-size: 14px;
    color: var(--cu-white);
    text-transform: none;
    letter-spacing: normal;
    font-weight: 800;
}

.radio-label small {
    font-size: 12px;
    color: var(--cu-soft);
}

/* =========================================================
   MODAL
   ========================================================= */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(6, 14, 34, .82);
    justify-content: center;
    align-items: center;
    z-index: 999;
}

.modal-content {
    background: var(--cu-mid);
    border: 1px solid rgba(245, 184, 0, .3);
    padding: 24px;
    border-radius: var(--cu-radius);
    max-width: 700px;
    text-align: center;
    position: relative;
    box-shadow: var(--cu-shadow);
}

.modal-content h3 {
    color: var(--cu-white);
    margin-top: 0;
}

.modal-content img {
    border-radius: 12px;
    margin-top: 10px;
}

#cerrar-modal {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 22px;
    cursor: pointer;
    color: var(--cu-soft);
    line-height: 1;
}

#cerrar-modal:hover {
    color: var(--cu-gold);
}

/* =========================================================
   MENSAJES DE RESULTADO
   ========================================================= */

.fp-mensaje-exito {
    margin-top: 15px;
    color: var(--cu-white);
    background: rgba(77, 159, 255, .12);
    border: 1px solid rgba(77, 159, 255, .5);
    border-radius: var(--cu-radius-btn);
    padding: 14px 16px;
    font-weight: 700;
}

.fp-mensaje-error {
    margin-top: 15px;
    color: var(--cu-white);
    background: rgba(192, 22, 106, .14);
    border: 1px solid rgba(192, 22, 106, .55);
    border-radius: var(--cu-radius-btn);
    padding: 14px 16px;
    font-weight: 700;
}

/* =========================================================
   RESPONSIVE
   ========================================================= */

@media (max-width: 640px) {
    .steps-wrapper {
        gap: 4px;
    }

    .step-label {
        font-size: 9px;
    }

    .card-form {
        padding: 22px 16px 26px;
    }

    .botones-form {
        flex-direction: column-reverse;
        align-items: stretch;
    }

    .btn-principal,
    .btn-secundario {
        width: 100%;
    }
}

/* ==== ANIMACIONES DE PANTALLAS ==== */

.pantalla {
    opacity: 0;
    transform: translateY(15px);
    transition: opacity .35s ease, transform .35s ease;
    display: none;
}

.pantalla-activa {
    display: block !important;
    opacity: 1 !important;
    transform: translateY(0px);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 15px;
}

.cat-card {
    background: linear-gradient(180deg, rgba(19, 31, 68, .98), rgba(12, 22, 51, .98));
    border-radius: var(--cu-radius);
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, .10);
    cursor: pointer;
    text-align: center;
    transition: all .25s ease;
}

.cat-card:hover {
    background: rgba(245, 184, 0, .08);
    border-color: var(--cu-gold);
    transform: translateY(-3px);
}

.cat-card strong {
    font-size: 15px;
    display: block;
    margin-bottom: 4px;
    color: var(--cu-white);
}

.cat-card small {
    color: var(--cu-soft);
}

/* Pantalla añadir par */
#pantalla-anadir-par .opciones-doble {
    display: flex;
    gap: 20px;
    margin: 20px 0 30px;
    flex-wrap: wrap;
}

#pantalla-anadir-par .btn-opcion {
    background-color: var(--cu-mag);
    color: var(--cu-white);
    padding: 14px 24px;
    border-radius: var(--cu-radius-btn);
    border: 1px solid var(--cu-mag);
    cursor: pointer;
    font-size: 14px;
    font-weight: 800;
    min-width: 200px;
    text-align: center;
    box-shadow: 0 0 24px rgba(192, 22, 106, .24);
    transition: transform .18s ease, opacity .18s ease;
}

#pantalla-anadir-par .btn-opcion:hover {
    transform: translateY(-2px);
    opacity: .94;
}

#pantalla-anadir-par #btn-anadir-par-no {
    background-color: var(--cu-gold);
    border-color: var(--cu-gold);
    color: var(--cu-black);
    box-shadow: 0 10px 30px rgba(245, 184, 0, .12);
}

#pantalla-anadir-par .btn-volver {
    background-color: rgba(77, 159, 255, .10) !important;
    color: var(--cu-white) !important;
    border: 1px solid rgba(77, 159, 255, .78);
    padding: 11px 18px;
    border-radius: var(--cu-radius-btn);
    display: inline-block;
    margin-top: 15px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 800;
    transition: transform .18s ease, opacity .18s ease;
}

#pantalla-anadir-par .btn-volver:hover {
    background-color: rgba(77, 159, 255, .16) !important;
    transform: translateY(-2px);
}

/* =========================================================
   MOVIMIENTO REDUCIDO
   ========================================================= */

@media (prefers-reduced-motion: reduce) {

    #presupuesto-wrapper *,
    #presupuesto-wrapper *::before,
    #presupuesto-wrapper *::after {
        transition: none !important;
        animation: none !important;
        scroll-behavior: auto !important;
    }
}