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

.dbc-simu {
    --dbc-simu-blue-1: #0d4899;
    --dbc-simu-blue-2: #2f7cc0;
    --dbc-simu-orange-1: #f49826;
    --dbc-simu-orange-2: #e25312;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    padding: 40px 20px;
}

.dbc-simu *, .dbc-simu *::before, .dbc-simu *::after { box-sizing: border-box; }

.dbc-simu__inner {
    max-width: 600px;
    margin: 0 auto;
    background: #fff;
    border-radius: 22px;
    padding: 30px 28px;
    box-shadow: 0 30px 70px -30px rgba(13, 72, 153, 0.32);
    border: 1px solid rgba(13, 72, 153, 0.06);
}

/* ============ HEADER ============ */
.dbc-simu__head { text-align: center; margin-bottom: 24px; }

.dbc-simu__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
    padding: 6px 16px;
    background: linear-gradient(135deg, rgba(244, 152, 38, 0.12), rgba(226, 83, 18, 0.12));
    border-radius: 999px;
    font-family: 'Sora', sans-serif;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--dbc-simu-orange-2);
}

.dbc-simu__eyebrow-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--dbc-simu-orange-1);
    box-shadow: 0 0 0 4px rgba(244, 152, 38, 0.25);
    animation: dbcSimuPulse 2s ease-in-out infinite;
}
@keyframes dbcSimuPulse { 0%,100%{transform:scale(1);opacity:1;} 50%{transform:scale(1.3);opacity:0.7;} }

.dbc-simu__title {
    margin: 0 0 8px 0;
    font-family: 'Sora', sans-serif;
    font-size: 26px;
    font-weight: 800;
    line-height: 1.15;
    color: #0a1929;
}

.dbc-simu__subtitle {
    margin: 0 auto;
    max-width: 480px;
    font-size: 14.5px;
    line-height: 1.55;
    color: #64748b;
}

/* ============ ZONE CALCUL ============ */
.dbc-simu__calc {
    background: linear-gradient(135deg, #f8fafc 0%, #eef4fb 100%);
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 0;
}

/* Onglets */
.dbc-simu__tabs {
    display: flex;
    gap: 8px;
    background: #e8eef6;
    padding: 5px;
    border-radius: 14px;
    margin-bottom: 26px;
}

.dbc-simu__tab {
    flex: 1;
    padding: 12px 16px;
    border: 0;
    border-radius: 10px;
    background: transparent;
    font-family: 'Sora', sans-serif;
    font-size: 14px;
    font-weight: 700;
    color: #64748b;
    cursor: pointer;
    transition: all 0.25s ease;
}

.dbc-simu__tab.is-active {
    background: #fff;
    color: var(--dbc-simu-blue-1);
    box-shadow: 0 4px 12px -4px rgba(13, 72, 153, 0.3);
}

/* Panneaux */
.dbc-simu__panel { display: none; }
.dbc-simu__panel.is-active { display: block; animation: dbcSimuFade 0.3s ease; }
@keyframes dbcSimuFade { from { opacity: 0; } to { opacity: 1; } }

.dbc-simu__label {
    display: block;
    margin-bottom: 10px;
    font-size: 14px;
    font-weight: 600;
    color: #334155;
}

/* Input avec unité */
.dbc-simu__input-unit {
    position: relative;
    display: flex;
    align-items: center;
}

.dbc-simu__input-unit input {
    width: 100% !important;
    min-height: 58px;
    padding: 16px 50px 16px 18px !important;
    border: 2px solid #e2e8f0 !important;
    border-radius: 14px !important;
    font-family: 'Sora', sans-serif !important;
    font-size: 22px !important;
    font-weight: 700 !important;
    line-height: 1.2 !important;
    color: #0a1929 !important;
    -webkit-text-fill-color: #0a1929 !important;
    background: #fff !important;
    opacity: 1 !important;
    box-sizing: border-box !important;
    display: block !important;
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.dbc-simu__input-unit input:focus {
    outline: none;
    border-color: var(--dbc-simu-blue-2) !important;
    box-shadow: 0 0 0 4px rgba(47, 124, 192, 0.12);
}

.dbc-simu__unit {
    position: absolute;
    right: 18px;
    font-family: 'Sora', sans-serif;
    font-size: 16px;
    font-weight: 700;
    color: #94a3b8;
    pointer-events: none;
}

/* Slider */
.dbc-simu__slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 6px;
    background: #d8e2ee;
    margin-top: 22px;
    cursor: pointer;
}
.dbc-simu__slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 26px; height: 26px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--dbc-simu-orange-1), var(--dbc-simu-orange-2));
    cursor: pointer;
    box-shadow: 0 4px 12px -2px var(--dbc-simu-orange-2);
    border: 3px solid #fff;
}
.dbc-simu__slider::-moz-range-thumb {
    width: 26px; height: 26px;
    border-radius: 50%;
    background: var(--dbc-simu-orange-1);
    cursor: pointer;
    border: 3px solid #fff;
}

.dbc-simu__slider-marks {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    font-size: 12px;
    color: #94a3b8;
}

/* Dimensions */
.dbc-simu__dims {
    display: flex;
    align-items: flex-end;
    gap: 14px;
}
.dbc-simu__dim-field { flex: 1; }
.dbc-simu__times {
    font-family: 'Sora', sans-serif;
    font-size: 26px;
    font-weight: 800;
    color: var(--dbc-simu-orange-1);
    padding-bottom: 14px;
}
.dbc-simu__dim-result {
    margin: 18px 0 0 0;
    text-align: center;
    font-size: 15px;
    color: #475569;
}
.dbc-simu__dim-surface { color: var(--dbc-simu-blue-1); font-weight: 800; font-family: 'Sora', sans-serif; }

/* ============ ÉTAPES (stepper) ============ */
.dbc-simu__steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-bottom: 22px;
}
.dbc-simu__step-dot {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}
.dbc-simu__step-dot span {
    width: 34px; height: 34px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
    background: #e8eef6;
    color: #94a3b8;
    font-family: 'Sora', sans-serif;
    font-size: 15px;
    font-weight: 800;
    transition: all 0.3s ease;
}
.dbc-simu__step-dot em {
    font-style: normal;
    font-size: 12px;
    font-weight: 600;
    color: #94a3b8;
    transition: color 0.3s ease;
}
.dbc-simu__step-dot.is-active span {
    background: linear-gradient(135deg, var(--dbc-simu-blue-1), var(--dbc-simu-blue-2));
    color: #fff;
    box-shadow: 0 6px 16px -6px var(--dbc-simu-blue-1);
}
.dbc-simu__step-dot.is-active em { color: var(--dbc-simu-blue-1); }
.dbc-simu__step-dot.is-done span {
    background: var(--dbc-simu-orange-1);
    color: #fff;
}
.dbc-simu__step-line {
    flex: 1;
    max-width: 90px;
    height: 3px;
    background: #e8eef6;
    border-radius: 3px;
    margin: 0 12px 22px;
    position: relative;
    overflow: hidden;
}
.dbc-simu__step-line i {
    position: absolute;
    inset: 0;
    width: 0;
    background: linear-gradient(90deg, var(--dbc-simu-orange-1), var(--dbc-simu-blue-1));
    transition: width 0.4s ease;
}
.dbc-simu__steps.is-step2 .dbc-simu__step-line i { width: 100%; }

/* ============ STAGES ============ */
.dbc-simu__stage { display: none; }
.dbc-simu__stage.is-active { display: block; animation: dbcSimuFade 0.3s ease; }

/* Récap surface (étape 2) */
.dbc-simu__recap {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    padding: 14px 18px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #f8fafc, #eef4fb);
    border: 1px solid #e2e8f0;
    border-radius: 14px;
}
.dbc-simu__recap-label { font-size: 13px; color: #64748b; font-weight: 600; }
.dbc-simu__recap-val {
    font-family: 'Sora', sans-serif;
    font-size: 18px;
    font-weight: 800;
    color: var(--dbc-simu-blue-1);
    margin-right: auto;
}
.dbc-simu__edit {
    border: 1.5px solid #cbd5e1;
    background: #fff;
    color: #475569;
    font-size: 13px;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s ease;
}
.dbc-simu__edit:hover { border-color: var(--dbc-simu-blue-1); color: var(--dbc-simu-blue-1); }

/* Bouton "Continuer" + flèche */
.dbc-simu__next { margin-top: 18px; }
.dbc-simu__next-arrow { font-size: 18px; }

/* Actions étape 2 (Retour / Envoyer) */
.dbc-simu__actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 4px;
}
.dbc-simu__prev {
    flex-shrink: 0;
    border: 1.5px solid #cbd5e1;
    background: #fff;
    color: #475569;
    font-family: 'Sora', sans-serif;
    font-size: 14px;
    font-weight: 600;
    padding: 14px 20px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}
.dbc-simu__prev:hover { border-color: var(--dbc-simu-blue-1); color: var(--dbc-simu-blue-1); }
.dbc-simu__actions .dbc-simu__submit { flex: 1; margin: 0; }

/* ============ MINI-FORMULAIRE ============ */
.dbc-simu__form-title {
    margin: 0 0 20px 0;
    font-family: 'Sora', sans-serif;
    font-size: 20px;
    font-weight: 700;
    color: #0a1929;
    text-align: center;
}

.dbc-simu__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.dbc-simu__field { margin-bottom: 14px; }
.dbc-simu__field label {
    display: block;
    margin-bottom: 7px;
    font-size: 13.5px;
    font-weight: 600;
    color: #334155;
}
.dbc-simu__field input,
.dbc-simu__field textarea {
    width: 100% !important;
    min-height: 50px;
    padding: 13px 16px !important;
    border: 1.5px solid #e2e8f0 !important;
    border-radius: 12px !important;
    font-size: 15px !important;
    line-height: 1.4 !important;
    font-family: inherit;
    color: #0a1929 !important;
    -webkit-text-fill-color: #0a1929 !important;
    background: #f8fafc !important;
    opacity: 1 !important;
    box-sizing: border-box !important;
    display: block !important;
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.dbc-simu__field textarea { min-height: 90px; resize: vertical; }
.dbc-simu__field input:focus,
.dbc-simu__field textarea:focus {
    outline: none;
    border-color: var(--dbc-simu-blue-2);
    background: #fff !important;
    box-shadow: 0 0 0 4px rgba(47, 124, 192, 0.12);
}
.dbc-simu__field input::placeholder,
.dbc-simu__field textarea::placeholder { color: #94a3b8 !important; -webkit-text-fill-color: #94a3b8 !important; }

/* RGPD */
.dbc-simu__rgpd {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin: 4px 0 22px 0;
    font-size: 13px;
    line-height: 1.5;
    color: #64748b;
    cursor: pointer;
}
.dbc-simu__rgpd input {
    margin-top: 3px;
    width: 18px; height: 18px;
    accent-color: var(--dbc-simu-blue-1);
    flex-shrink: 0;
    cursor: pointer;
}
.dbc-simu__rgpd-link { color: var(--dbc-simu-blue-1); font-weight: 600; text-decoration: underline; }
.dbc-simu__rgpd-link:hover { color: var(--dbc-simu-orange-2); }

/* Submit */
.dbc-simu__submit {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 17px 32px;
    border: 0;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--dbc-simu-orange-1) 0%, var(--dbc-simu-orange-2) 100%);
    color: #fff;
    font-family: 'Sora', sans-serif;
    font-size: 17px;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
    box-shadow: 0 14px 30px -10px var(--dbc-simu-orange-2);
}
.dbc-simu__submit:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 20px 40px -12px var(--dbc-simu-orange-2); }
.dbc-simu__submit:disabled { opacity: 0.7; cursor: not-allowed; }
.dbc-simu__submit-loader {
    display: none;
    width: 18px; height: 18px;
    border: 2.5px solid rgba(255,255,255,0.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: dbcSimuSpin 0.7s linear infinite;
}
.dbc-simu--loading .dbc-simu__submit-loader { display: inline-block; }
@keyframes dbcSimuSpin { to { transform: rotate(360deg); } }

.dbc-simu__trust { margin: 16px 0 0 0; text-align: center; font-size: 13px; font-weight: 500; color: #94a3b8; }

/* Feedback */
.dbc-simu__feedback {
    margin-top: 16px;
    font-size: 14.5px;
    font-weight: 600;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
}
.dbc-simu__feedback.is-success { padding: 14px 18px; background: #ecfdf5; color: #047857; border: 1px solid #a7f3d0; }
.dbc-simu__feedback.is-error { padding: 14px 18px; background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }

.dbc-simu__field input.is-invalid,
.dbc-simu__field textarea.is-invalid { border-color: #ef4444; background: #fef2f2 !important; }

.dbc-simu__hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; opacity: 0; }

/* ============ HINT champ précisions ============ */
.dbc-simu__hint {
    margin: 8px 0 0 0;
    font-size: 12.5px;
    line-height: 1.45;
    color: #64748b;
    background: #f8fafc;
    border-left: 3px solid var(--dbc-simu-orange-1);
    padding: 8px 12px;
    border-radius: 0 8px 8px 0;
}

/* ============ POPUP DE CONFIRMATION ============ */
.dbc-simu__modal {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}
.dbc-simu__modal.is-open { opacity: 1; visibility: visible; }
.dbc-simu__modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(7, 18, 33, 0.6);
    backdrop-filter: blur(3px);
}
.dbc-simu__modal-box {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
    background: #fff;
    border-radius: 24px;
    padding: 40px 32px 32px;
    text-align: center;
    box-shadow: 0 40px 90px -20px rgba(7, 18, 33, 0.5);
    transform: translateY(20px) scale(0.96);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
.dbc-simu__modal.is-open .dbc-simu__modal-box { transform: translateY(0) scale(1); }
.dbc-simu__modal-close {
    position: absolute;
    top: 16px; right: 18px;
    width: 34px; height: 34px;
    border: 0;
    background: #f1f5f9;
    color: #64748b;
    border-radius: 50%;
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
    transition: background 0.2s ease;
}
.dbc-simu__modal-close:hover { background: #e2e8f0; }
.dbc-simu__modal-icon {
    width: 76px; height: 76px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: linear-gradient(135deg, #10b981, #059669);
    color: #fff;
    box-shadow: 0 14px 30px -8px rgba(16, 185, 129, 0.5);
    animation: dbcSimuPop 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes dbcSimuPop { 0% { transform: scale(0); } 60% { transform: scale(1.12); } 100% { transform: scale(1); } }
.dbc-simu__modal-title {
    margin: 0 0 12px 0;
    font-family: 'Sora', sans-serif;
    font-size: 23px;
    font-weight: 800;
    color: #0a1929;
    line-height: 1.2;
}
.dbc-simu__modal-text {
    margin: 0 0 24px 0;
    font-size: 15px;
    line-height: 1.6;
    color: #475569;
}
.dbc-simu__modal-contact {
    padding: 16px;
    background: linear-gradient(135deg, var(--dbc-simu-blue-1), var(--dbc-simu-blue-2));
    border-radius: 14px;
    margin-bottom: 22px;
}
.dbc-simu__modal-contact span {
    display: block;
    font-size: 12.5px;
    color: rgba(255,255,255,0.8);
    margin-bottom: 8px;
}
.dbc-simu__modal-phone {
    display: inline-block;
    font-family: 'Sora', sans-serif;
    font-size: 19px;
    font-weight: 800;
    color: #fff;
    text-decoration: none;
}
.dbc-simu__modal-ok {
    width: 100%;
    padding: 15px;
    border: 0;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--dbc-simu-orange-1), var(--dbc-simu-orange-2));
    color: #fff;
    font-family: 'Sora', sans-serif;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    box-shadow: 0 12px 26px -10px var(--dbc-simu-orange-2);
}
.dbc-simu__modal-ok:hover { transform: translateY(-2px); }

@media (max-width: 520px) {
    .dbc-simu__modal-box { padding: 32px 22px 24px; border-radius: 20px; }
    .dbc-simu__modal-title { font-size: 20px; }
    .dbc-simu__modal-icon { width: 64px; height: 64px; }
}

/* ============ RESPONSIVE ============ */
@media (max-width: 768px) {
    .dbc-simu__inner { padding: 32px 22px; }
    .dbc-simu__title { font-size: 26px; }
    .dbc-simu__calc { padding: 22px 18px; }
}

@media (max-width: 520px) {
    .dbc-simu { padding: 20px 12px; }
    .dbc-simu__inner { padding: 24px 16px; border-radius: 20px; }
    .dbc-simu__row { grid-template-columns: 1fr; gap: 0; }
    .dbc-simu__tab { font-size: 12.5px; padding: 10px 8px; }
    .dbc-simu__dims { flex-direction: column; align-items: stretch; gap: 10px; }
    .dbc-simu__times { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    .dbc-simu__eyebrow-dot, .dbc-simu__submit, .dbc-simu__tab,
    .dbc-simu__field input, .dbc-simu__field textarea { animation: none !important; transition: none !important; }
}