/* ===========================================================================
   CALCULADORA DE PRESUPUESTO — CSS común (modal en footer, presente en todo el sitio)
   Extraído de services.css (bloque modal) y servicios.css (botón). Cargado global
   en head.php ANTES de precios.css para preservar la cascada original.
   =========================================================================== */

/* ===========================================================================
   CALCULADORA DE PRESUPUESTO v2 · servicios.php
   Scope: #zw-calc-modal · sin colisiones con precios.css
   =========================================================================== */

/* --- Wrapper y overlay --- */
#zw-calc-modal {
    position: fixed;
    inset: 0;
    z-index: 10010;   /* por encima de los flotantes: STT(10000) y whatsapp(9999) */
    display: flex;
    align-items: center;
    justify-content: center;
}
#zw-calc-modal[hidden] { display: none; }
#zw-calc-modal.is-open { display: flex; }

.zw-calc-modal__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.72);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    opacity: 0;
    transition: opacity var(--t-slow);
}
#zw-calc-modal.is-open .zw-calc-modal__overlay { opacity: 1; }

/* --- Panel centrado --- */
#zw-calc-modal .zw-calc-modal__panel {
    position: fixed;
    top: 50%;
    left: 50%;
    z-index: 1;
    width: min(600px, 96vw);
    max-height: 90dvh;   /* dvh: en móvil descuenta la barra del navegador → no se corta ni se oculta la X */
    background: var(--zander-black);
    display: flex;
    flex-direction: column;
    border-radius: 16px;
    transform: translate(-50%, -50%) scale(0.95);
    transition: transform var(--t-slow) cubic-bezier(0.16, 1, 0.3, 1), opacity var(--t-slow);
    opacity: 0;
    overflow: hidden;
    outline: none;
}
#zw-calc-modal.is-open .zw-calc-modal__panel {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
}

/* --- Cabecera fija --- */
.zw-calc-modal__head {
    flex-shrink: 0;
    padding: 20px 28px 0;
    background: var(--zander-black);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.zw-calc-modal__head-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}
.zw-calc-modal__brand {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--zander-yellow);
}
.zw-calc-modal__close {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: transparent;
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    display: grid;
    place-items: center;
    transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
    flex-shrink: 0;
}
.zw-calc-modal__close:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.25);
}

/* --- Indicador de pasos --- */
.zw-calc-steps-nav {
    display: flex;
    align-items: center;
    gap: 0;
    margin-bottom: 16px;
    overflow-x: auto;
    scrollbar-width: none;
}
.zw-calc-steps-nav::-webkit-scrollbar { display: none; }
.zw-calc-steps-nav__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    flex-shrink: 0;
}
.zw-calc-steps-nav__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 1.5px solid rgba(255, 255, 255, 0.2);
    background: transparent;
    transition: background var(--t-base), border-color var(--t-base);
    display: block;
}
.zw-calc-steps-nav__label {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.3);
    font-weight: 600;
    letter-spacing: 0.03em;
    transition: color var(--t-base);
    white-space: nowrap;
}
.zw-calc-steps-nav__item.is-active .zw-calc-steps-nav__dot {
    background: var(--zander-yellow);
    border-color: var(--zander-yellow);
    box-shadow: 0 0 0 3px rgba(252, 198, 28, 0.2);
}
.zw-calc-steps-nav__item.is-active .zw-calc-steps-nav__label { color: var(--zander-yellow); }
.zw-calc-steps-nav__item.is-done .zw-calc-steps-nav__dot {
    background: rgba(252, 198, 28, 0.4);
    border-color: rgba(252, 198, 28, 0.4);
}
.zw-calc-steps-nav__item.is-done .zw-calc-steps-nav__label { color: rgba(252, 198, 28, 0.55); }
.zw-calc-steps-nav__connector {
    flex: 1;
    height: 1px;
    min-width: 12px;
    background: rgba(255, 255, 255, 0.1);
    margin-bottom: 16px;
    flex-shrink: 1;
}

/* --- Barra de progreso --- */
.zw-calc-progress {
    height: 2px;
    background: rgba(255, 255, 255, 0.07);
    border-radius: 0;
    margin: 0 -28px;
}
.zw-calc-progress__bar {
    height: 100%;
    background: var(--zander-yellow);
    border-radius: 0;
    transition: width 400ms cubic-bezier(0.4, 0, 0.2, 1);
    width: 20%;
}

/* --- Cuerpo desplazable --- */
.zw-calc-modal__body {
    flex: 1;
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: thin;
    scrollbar-color: rgba(252, 198, 28, 0.2) transparent;
    padding: 28px 28px 40px;
    position: relative;
}
.zw-calc-modal__body::-webkit-scrollbar { width: 4px; }
.zw-calc-modal__body::-webkit-scrollbar-track { background: transparent; }
.zw-calc-modal__body::-webkit-scrollbar-thumb {
    background: rgba(252, 198, 28, 0.2);
    border-radius: 4px;
}

/* --- Pasos --- */
.zw-calc-modal__body .zw-calc-step {
    display: none;
    flex-direction: column;
    gap: 0;
    animation: zwCalcFadeIn 280ms ease forwards;
}
.zw-calc-modal__body .zw-calc-step.is-active { display: flex; }

@keyframes zwCalcFadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
    @keyframes zwCalcFadeIn { from { opacity: 0; } to { opacity: 1; } }
}

.zw-calc-step__kicker {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--zander-yellow);
    margin-bottom: 8px;
}
.zw-calc-step__title {
    font-size: clamp(1.25rem, 3vw, 1.625rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.01em;
    color: #fff;
    margin-bottom: 8px;
}
.zw-calc-step__hint {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.45);
    margin-bottom: 24px;
    line-height: 1.4;
}

/* --- Grid de opciones: sectores (paso 1) --- */
.zw-calc-options--sectors {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 8px;
}

/* --- Grid de opciones: servicios (paso 2) --- */
.zw-calc-options--services {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 8px;
}

/* --- Grid de opciones: extras (paso 3) --- */
.zw-calc-options--extras {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

/* --- Card de opción base --- */
.zw-calc-modal__body .zw-calc-option {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: var(--radius-md);
    padding: 14px 16px;
    text-align: left;
    cursor: pointer;
    color: #fff;
    font-family: var(--font-sans);
    display: flex;
    align-items: flex-start;
    gap: 12px;
    transition: border-color var(--t-fast), background var(--t-fast), transform var(--t-fast);
    width: 100%;
    position: relative;
}
.zw-calc-modal__body .zw-calc-option:hover {
    border-color: rgba(252, 198, 28, 0.35);
    background: rgba(252, 198, 28, 0.05);
    transform: translateY(-1px);
}
.zw-calc-modal__body .zw-calc-option:active { transform: scale(0.98); }
.zw-calc-modal__body .zw-calc-option.is-selected {
    border-color: var(--zander-yellow);
    background: rgba(252, 198, 28, 0.08);
}
/* Check visual en seleccionado */
.zw-calc-modal__body .zw-calc-option.is-selected::after {
    content: "";
    position: absolute;
    top: 10px;
    right: 10px;
    width: 18px;
    height: 18px;
    background: var(--zander-yellow);
    border-radius: 50%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none' stroke='%231D1D1B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M2 6l3 3 5-5'/%3E%3C/svg%3E");
    background-size: 10px 10px;
    background-position: center;
    background-repeat: no-repeat;
}

/* Sectores: solo icono grande + label centrado */
.zw-calc-options--sectors .zw-calc-option {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 18px 12px;
    gap: 8px;
}
.zw-calc-options--sectors .zw-calc-option.is-selected::after {
    top: 7px;
    right: 7px;
    width: 16px;
    height: 16px;
}

.zw-calc-option__icon {
    font-size: 26px;
    line-height: 1;
    flex-shrink: 0;
}
.zw-calc-options--sectors .zw-calc-option__icon { font-size: 32px; }

.zw-calc-option__label {
    font-size: 14px;
    font-weight: 700;
    line-height: 1.3;
    color: rgba(255, 255, 255, 0.9);
}
.zw-calc-options--sectors .zw-calc-option__label { font-size: 13px; text-align: center; }
.zw-calc-modal__body .zw-calc-option.is-selected .zw-calc-option__label { color: var(--zander-yellow); }

.zw-calc-option__text { flex: 1; min-width: 0; }
.zw-calc-option__desc {
    display: block;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.4);
    margin-top: 2px;
    line-height: 1.4;
}
.zw-calc-option__price {
    font-size: 12px;
    font-weight: 700;
    color: var(--zander-yellow);
    white-space: nowrap;
    flex-shrink: 0;
    align-self: flex-start;
    margin-top: 2px;
}
.zw-calc-option__badge {
    display: inline-block;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    background: rgba(252, 198, 28, 0.15);
    color: var(--zander-yellow);
    border: 1px solid rgba(252, 198, 28, 0.3);
    border-radius: 100px;
    padding: 2px 8px;
    margin-top: 4px;
    display: block;
    width: fit-content;
}
.zw-calc-option__social-proof {
    display: block;
    font-size: 11px;
    color: rgba(252, 198, 28, 0.6);
    margin-top: 4px;
    font-style: italic;
}

/* --- Acciones del paso 3 --- */
.zw-calc-step__actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 16px;
}
.zw-calc-step__actions .btn--primary {
    width: 100%;
    justify-content: center;
}
.zw-calc-skip {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.4);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    font-family: var(--font-sans);
    text-align: center;
    padding: 8px;
    transition: color var(--t-fast);
}
.zw-calc-skip:hover { color: rgba(255, 255, 255, 0.7); }

/* --- Botón Volver --- */
.zw-calc-back {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.3);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    font-family: var(--font-sans);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 0;
    margin-top: 12px;
    transition: color var(--t-fast);
    align-self: flex-start;
}
.zw-calc-back:hover { color: rgba(255, 255, 255, 0.65); }

/* --- Formulario paso 4 --- */
.zw-calc-form { display: flex; flex-direction: column; gap: 16px; }
.zw-calc-form__group { display: flex; flex-direction: column; gap: 6px; }
.zw-calc-form__label {
    font-size: 13px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.65);
    letter-spacing: 0.02em;
}
.zw-calc-form__label span { color: rgba(252, 198, 28, 0.7); }
.zw-calc-form__input {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 12px 14px;
    color: #fff;
    font-size: 15px;
    font-family: var(--font-sans);
    width: 100%;
    box-sizing: border-box;
    transition: border-color var(--t-fast), background var(--t-fast);
    -webkit-appearance: none;
}
.zw-calc-form__input::placeholder { color: rgba(255, 255, 255, 0.2); }
.zw-calc-form__input:focus {
    outline: none;
    border-color: var(--zander-yellow);
    background: rgba(252, 198, 28, 0.03);
}
.zw-calc-form__input.is-error { border-color: #f00069; }
.zw-calc-form__error {
    font-size: 12px;
    color: #f00069;
    min-height: 16px;
    line-height: 1.3;
}

/* Checkboxes personalizados */
.zw-calc-form__check-group { display: flex; flex-direction: column; gap: 4px; }
.zw-calc-form__check {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    position: relative;
}
.zw-calc-form__check input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}
.zw-calc-form__check-mark {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    border: 1.5px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.03);
    transition: border-color var(--t-fast), background var(--t-fast);
    margin-top: 1px;
    display: block;
    position: relative;
}
.zw-calc-form__check input:checked + .zw-calc-form__check-mark {
    border-color: var(--zander-yellow);
    background: var(--zander-yellow);
}
.zw-calc-form__check input:checked + .zw-calc-form__check-mark::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none' stroke='%231D1D1B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M2 6l3 3 5-5'/%3E%3C/svg%3E");
    background-size: 10px 10px;
    background-position: center;
    background-repeat: no-repeat;
}
.zw-calc-form__check input:focus-visible + .zw-calc-form__check-mark {
    outline: 2px solid var(--zander-yellow);
    outline-offset: 2px;
}
.zw-calc-form__check-text {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.4;
}
.zw-calc-form__check-text a {
    color: var(--zander-yellow);
    text-decoration: underline;
    text-underline-offset: 2px;
}
.zw-calc-form__check-text a:hover { text-decoration: none; }
.zw-calc-form__submit {
    margin-top: 8px;
    width: 100%;
    justify-content: center;
    font-size: 16px;
    padding: 1rem 1.75rem;
}

/* --- Resultado paso 5 --- */
.zw-calc-result {
    display: flex;
    flex-direction: column;
    gap: 0;
}
.zw-calc-result__top { margin-bottom: 28px; }
.zw-calc-result__badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--zander-black);
    background: var(--zander-yellow);
    border-radius: 100px;
    padding: 4px 12px;
    margin-bottom: 16px;
}
.zw-calc-result__badge::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--zander-black);
    animation: zwPulse 1.4s ease-in-out infinite;
}
@keyframes zwPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.7); }
}
@media (prefers-reduced-motion: reduce) {
    @keyframes zwPulse { from { opacity: 1; } to { opacity: 1; } }
}
.zw-calc-result__greeting {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 6px;
}
.zw-calc-result__project {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
    font-weight: 500;
}

.zw-calc-result__price-block {
    background: rgba(252, 198, 28, 0.07);
    border: 1px solid rgba(252, 198, 28, 0.18);
    border-radius: var(--radius-lg);
    padding: 20px 22px;
    margin-bottom: 24px;
}
.zw-calc-result__price-label {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(252, 198, 28, 0.65);
    margin-bottom: 6px;
}
.zw-calc-result__price {
    font-size: clamp(1.75rem, 5vw, 2.5rem);
    font-weight: 700;
    color: var(--zander-yellow);
    letter-spacing: -0.02em;
    line-height: 1;
}

.zw-calc-result__includes {
    list-style: none;
    padding: 0;
    margin: 0 0 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.zw-calc-result__includes li {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: flex-start;
    gap: 8px;
    line-height: 1.4;
}
.zw-calc-result__includes li::before {
    content: "";
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    background: rgba(252, 198, 28, 0.15);
    border-radius: 50%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none' stroke='%23FCC61C' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M2 6l3 3 5-5'/%3E%3C/svg%3E");
    background-size: 9px 9px;
    background-position: center;
    background-repeat: no-repeat;
    margin-top: 1px;
}

.zw-calc-result__note {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.3);
    margin-bottom: 24px;
    line-height: 1.4;
}
.zw-calc-result__actions { display: flex; flex-direction: column; gap: 10px; }
.zw-calc-result__actions .btn--primary {
    width: 100%;
    justify-content: center;
    gap: 8px;
    font-size: 15px;
    padding: 0.9rem 1.75rem;
}

/* body lock */
body.zw-calc-open { overflow: hidden; }

/* Botón abrir calculadora (movido desde servicios.css) */
/* ===== 11. BOTÓN "Calcula tu presupuesto" · borde amarillo 5px ===== */
.zw-calc-open-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 55px;
    padding: 0 36px;
    background: transparent;
    border: 2px solid var(--zander-yellow);
    border-radius: 500px;
    color: var(--zander-white-soft);
    font-family: var(--font-sans);
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.03em;
    cursor: pointer;
    transition: background 200ms ease, color 200ms ease;
    white-space: nowrap;
}
.zw-calc-open-btn:hover {
    background: var(--zander-yellow);
    color: var(--zander-black);
}