/* ==========================================================
   Calcolatore Wizard — Alperia
   Design system da Figma D_Casa_Configuratore
   ========================================================== */

/* ── VARIABILI ─────────────────────────────────────────── */
:root {
    --c-blue-dark:   #00547A;   /* titoli, step completati */
    --c-blue:        #1D7990;   /* step attivo, icone, bordi card sel. */
    --c-blue-light:  #CCEBF3;   /* bg card selezionata */
    --c-blue-line:   #1D7990;   /* linea stepper completata */
    --c-orange:      #DB3700;   /* CTA primaria */
    --c-orange-dk:   #C23000;   /* hover CTA */
    --c-bg:          #f0f2f5;   /* sfondo generale */
    --c-white:       #ffffff;
    --c-border:      #DADFE4;
    --c-text:        #333E48;
    --c-muted:       #5a6b7d;   /* darkened to pass WCAG 4.5:1 on white */
    --c-error:       #d0021b;
    --c-success:     #2d7eb5;

    --radius:        8px;
    --radius-sm:     4px;
    --shadow:        0 2px 20px rgba(26, 61, 92, .08);
    --transition:    .2s ease;
    --font:          inherit;
}

/* ── ACCESSIBILITÀ ─────────────────────────────────────── */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

/* Focus visibile per card (input nascosto dentro) */
.calc-card:focus-within {
    outline: 2px solid var(--c-blue);
    outline-offset: 2px;
}

/* Focus per pulsanti */
.calc-btn:focus-visible,
.calc-link-btn:focus-visible,
.calc-upload-btn:focus-visible {
    outline: 2px solid var(--c-blue);
    outline-offset: 2px;
}

/* Focus per input e select */
.calc-input:focus-visible {
    outline: none;
    border-color: var(--c-blue);
    box-shadow: 0 0 0 3px rgba(29, 121, 144, .25);
}

.calc-select:focus-visible {
    outline: none;
    border-color: var(--c-blue);
    box-shadow: 0 0 0 3px rgba(29, 121, 144, .25);
}

/* Focus per radio pill */
.calc-radio-pill:focus-within {
    outline: 2px solid var(--c-blue);
    outline-offset: 2px;
}

/* ── WRAPPER ───────────────────────────────────────────── */
.calc-wizard {
    font-family: var(--font);
    color: var(--c-text);
    background: #FCFCFD;
}


/* ── HEADER ────────────────────────────────────────────── */
.calc-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--c-border);
}

.calc-logo img {
    height: 28px;
    width: auto;
}

.calc-header__contacts {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.calc-header__contact {
    display: flex;
    align-items: center;
    gap: .4rem;
    font-size: .82rem;
    color: var(--c-muted);
}

/* ── STEPPER ───────────────────────────────────────────── */
.calc-stepper {
    padding: 40px 140px 30px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Riga barre — unica linea continua, nessun gap */
.calc-stepper__barrow {
    display: flex;
    height: 4px;
    border-radius: 2px;
    overflow: hidden;
}

.calc-stepper__bar {
    flex: 1;
    background: var(--c-border);
    transition: background var(--transition);
}

.calc-stepper__bar.is-active {
    background: var(--c-blue);
}

.calc-stepper__bar.is-complete {
    background: var(--c-blue-dark);
}

/* Riga label */
.calc-stepper__labels {
    display: flex;
    margin-top: .4rem;
}

.calc-stepper__label {
    flex: 1;
    font-family: 'Akko Pro', inherit;
    font-weight: 300;
    font-size: 16px;
    line-height: 1.3;
    letter-spacing: 0;
    text-align: center;
    color: #B4C6D4;
    transition: color var(--transition);
}

.calc-stepper__label.is-active {
    color: #333E48;
    font-weight: 500;
}

.calc-stepper__label.is-complete {
    color: var(--c-muted);
}

/* Mobile stepper: nascosto su desktop */
.calc-stepper__mobile {
    display: none;
}

/* ── PANEL ─────────────────────────────────────────────── */
.calc-panel {
    background: #F7F9F8;
    padding: 40px 0;
}

.calc-panel__inner {
    max-width: 620px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.calc-title {
    font-family: 'Akko Pro', inherit;
    font-weight: 500;
    font-size: 36px;
    line-height: 1.2;
    letter-spacing: -0.02em;
    text-align: center;
    color: #00547A;
    margin: 0 0 2rem;
}

/* Blocco esigenza per-utenza (Luce / Gas) in Step 1 */
.calc-esigenza-block {
}

.calc-section-heading {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--c-blue-dark);
    text-align: center;
    margin: 0 0 1.5rem;
}

.calc-section-heading strong {
    color: var(--c-blue);
}

.calc-subtitle {
    font-size: .9rem;
    color: var(--c-muted);
    text-align: center;
    margin: -.5rem 0 1.5rem;
}

/* ── CARD GRID ─────────────────────────────────────────── */
.calc-cards {
    display: grid;
    gap: 8px;
    margin-bottom: 1.5rem;
}

.calc-cards--3col {
    grid-template-columns: repeat(3, 1fr);
}

/* Esigenza: 3 per riga, altezza fissa 210px da Figma */
.calc-cards--esigenza {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.calc-cards--esigenza .calc-card {
    height: 210px;
    min-height: unset;
    overflow: hidden;
}

.calc-cards--2col {
    grid-template-columns: repeat(2, 1fr);
}

/* ── CARD (checkbox/radio) ─────────────────────────────── */
.calc-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: 20px;
    border: 0.5px solid var(--c-border);
    border-radius: var(--radius);
    background: var(--c-white);
    box-shadow: 0 4px 4px -1px rgba(12,12,13,.1), 0 4px 4px -1px rgba(12,12,13,.05);
    cursor: pointer;
    transition: all var(--transition);
    user-select: none;
    text-align: center;
    min-height: 210px;
}

.calc-card:hover {
    border-color: var(--c-blue);
}

.calc-card--tall {
    min-height: 210px;
    padding: 20px;
}

/* Checkbox / radio nascosti */
.calc-card__checkbox,
.calc-card__radio {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

/* Icona check in alto a destra */
.calc-card__check-icon {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 18px;
    height: 18px;
    border: 1.5px solid var(--c-border);
    border-radius: 3px;
    background: var(--c-white);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.calc-card__check-icon svg {
    display: none;
}

/* Radio dot in alto a destra */
.calc-card__radio-dot {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 1.5px solid var(--c-border);
    background: var(--c-white);
    transition: all var(--transition);
}

.calc-card__radio-dot::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--c-blue);
    transition: transform var(--transition);
}

/* Stato selezionato */
.calc-card.is-selected {
    background: var(--c-blue-light);
    border-color: var(--c-blue);
}

.calc-card.is-selected .calc-card__check-icon {
    background: none;
    border-color: transparent;
}

.calc-card.is-selected .calc-card__check-icon svg {
    display: block;
}

.calc-card.is-selected .calc-card__radio-dot {
    border-color: var(--c-blue);
}

.calc-card.is-selected .calc-card__radio-dot::after {
    transform: translate(-50%, -50%) scale(1);
}

.calc-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.calc-card__label {
    font-family: 'Akko Pro', inherit;
    font-weight: 500;
    font-size: 16px;
    line-height: 1.3;
    letter-spacing: 0;
    color: #1C6477;
}

.calc-card__label--bold {
    font-weight: 500;
    font-size: 16px;
    color: var(--c-blue);
}

/* Card Prezzo: descrizione stessa dimensione e peso del titolo */
.calc-card--tall .calc-card__sublabel {
    font-size: 16px;
    font-weight: 500;
    color: var(--c-blue);
    line-height: 1.3;
    margin-top: 0;
}

.calc-card__sublabel {
    font-size: .78rem;
    color: var(--c-muted);
    line-height: 1.35;
    margin-top: .15rem;
}

/* Esigenza radio cards — sublabel teal 14px Light come da Figma */
.calc-card--radio .calc-card__sublabel {
    font-size: 14px;
    font-weight: 300;
    color: var(--c-blue);
    line-height: 1.3;
    margin-top: .25rem;
}

/* Stato selezionato: testo teal scuro (#1C6477) */
.calc-card--radio.is-selected .calc-card__label--bold,
.calc-card--radio.is-selected .calc-card__sublabel {
    color: #1C6477;
}

/* ── FORM FIELDS ───────────────────────────────────────── */
.calc-field-group {
    margin-bottom: 1.25rem;
}

.calc-label {
    display: flex;
    align-items: center;
    gap: .4rem;
    font-size: 16px;
    font-weight: 500;
    color: var(--c-text);
    margin-bottom: .5rem;
}

.calc-info-btn {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    color: var(--c-muted);
    display: flex;
    align-items: center;
    line-height: 1;
}

.calc-input-wrap {
    position: relative;
}

.calc-input {
    width: 100%;
    padding: 10px 2.5rem 10px 14px;
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    font-size: 16px;
    color: var(--c-text);
    background: var(--c-white);
    box-sizing: border-box;
    transition: border-color var(--transition);
}

.calc-input:focus {
    outline: none;
    border-color: var(--c-blue);
}

.calc-input::placeholder {
    color: var(--c-muted);
}

.calc-input--inline {
    flex: 1;
    padding: .6rem .9rem;
}

.calc-input__unit {
    position: absolute;
    right: .9rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: .75rem;
    color: var(--c-muted);
    font-weight: 600;
    pointer-events: none;
    display: flex;
    align-items: center;
}

/* Select */
.calc-select-wrap {
    position: relative;
}

.calc-select {
    width: 100%;
    padding: 10px 2.5rem 10px 14px;
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    font-size: 16px;
    color: var(--c-text);
    background: var(--c-white);
    appearance: none;
    -webkit-appearance: none;
    box-sizing: border-box;
    cursor: pointer;
    transition: border-color var(--transition);
}

.calc-select:focus {
    outline: none;
    border-color: var(--c-blue);
}

.calc-select-arrow {
    position: absolute;
    right: .9rem;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--c-muted);
}

/* ── COMBOBOX PROVINCIA (select cercabile) ──────────────── */
.calc-combobox {
    position: relative;
}

.calc-combobox__input {
    cursor: text;
}

.calc-combobox__listbox {
    position: absolute;
    z-index: 20;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    max-height: 260px;
    overflow-y: auto;
    margin: 0;
    padding: .35rem 0;
    list-style: none;
    background: var(--c-white);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.calc-combobox__listbox[hidden] {
    display: none;
}

.calc-combobox__listbox li[role="option"] {
    padding: .55rem 14px;
    font-size: 15px;
    color: var(--c-text);
    cursor: pointer;
}

.calc-combobox__listbox li[role="option"][hidden] {
    display: none;
}

.calc-combobox__listbox li[role="option"].is-active,
.calc-combobox__listbox li[role="option"]:hover {
    background: var(--c-blue-light);
    color: #1C6477;
}

/* ── RADIO PILL ────────────────────────────────────────── */
.calc-radio-group {
    display: flex;
    gap: .75rem;
    flex-wrap: wrap;
}

.calc-radio-pills {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: .75rem;
}

.calc-radio-pills--altro {
    margin-top: .5rem;
    align-items: center;
}

.calc-radio-pills--altro .calc-input--inline {
    grid-column: span 2;
}

.calc-radio-pill {
    flex: 1;
    display: flex;
    align-items: center;
    gap: .5rem;
    padding: .55rem 1rem;
    border: 1px solid var(--c-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.4;
    color: var(--c-text);
    transition: all var(--transition);
    user-select: none;
    justify-content: center;
}

.calc-radio-pill input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
}

.calc-radio-pill__dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 1.5px solid var(--c-border);
    background: var(--c-white);
    flex-shrink: 0;
    position: relative;
    transition: border-color var(--transition);
}

.calc-radio-pill__dot::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--c-blue);
    transition: transform var(--transition);
}

.calc-radio-pill:has(input:checked) {
    border-color: var(--c-blue);
    background: var(--c-blue-light);
}

.calc-radio-pill:has(input:checked) .calc-radio-pill__dot {
    border-color: var(--c-blue);
}

.calc-radio-pill:has(input:checked) .calc-radio-pill__dot::after {
    transform: translate(-50%, -50%) scale(1);
}

/* Card più piccole dentro il pannello calcola consumi */
.calc-calcolo-panel .calc-card {
    min-height: 140px;
}

/* ── CONSUMI BLOCK ─────────────────────────────────────── */
.calc-consumi-block {
    padding-top: 1.5rem;
}

/* ── UPLOAD BOLLETTA ───────────────────────────────────── */
.calc-upload-area {
    margin-bottom: 1.5rem;
}

.calc-consumi-upload {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .75rem;
}

.calc-upload-oppure {
    font-size: .85rem;
    color: var(--c-muted);
    margin: 0;
    text-align: center;
}

.calc-divider {
    border: none;
    border-top: 1px solid var(--c-border);
    margin: 1.5rem 0;
}

.calc-upload-btn {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    background: none;
    border: none;
    border-bottom: 0.75px solid var(--c-text);
    color: var(--c-text);
    font-size: .95rem;
    font-weight: 700;
    padding: .1rem 0 .4rem;
    cursor: pointer;
    margin-bottom: 1.5rem;
    transition: opacity var(--transition);
}

.calc-upload-btn svg {
    color: var(--c-blue);
    flex-shrink: 0;
}

.calc-upload-btn:hover {
    opacity: .7;
}

/* File preview */
.calc-file-preview {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border: 1px solid var(--c-border);
    border-radius: var(--radius-sm);
    padding: .6rem .9rem;
    margin-bottom: .75rem;
    font-size: .85rem;
}

.calc-file-preview__name {
    display: flex;
    align-items: center;
    gap: .5rem;
    color: var(--c-text);
}

.calc-file-preview__remove {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: var(--c-muted);
    cursor: pointer;
    padding: 0 .2rem;
    line-height: 1;
}

/* Dati bolletta estratti */
.calc-bolletta-data {
    background: var(--c-blue-light);
    border-radius: var(--radius-sm);
    padding: .75rem 1rem;
    font-size: .82rem;
    color: var(--c-blue);
    font-weight: 600;
    display: flex;
    align-items: flex-start;
    gap: .5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.calc-bolletta-data__values {
    display: flex;
    gap: 2rem;
    width: 100%;
    margin-top: .5rem;
}

.calc-bolletta-data__label {
    display: block;
    font-size: .75rem;
    color: var(--c-muted);
    font-weight: 400;
    margin-bottom: .2rem;
}

.calc-bolletta-data__value {
    font-size: .95rem;
    font-weight: 700;
    color: var(--c-blue-dark);
}

/* Privacy */
.calc-privacy {
    display: flex;
    gap: .6rem;
    font-size: .78rem;
    color: var(--c-muted);
    margin-bottom: 1rem;
    cursor: pointer;
    line-height: 1.4;
}

.calc-privacy input[type="checkbox"] {
    flex-shrink: 0;
    margin-top: .1rem;
    accent-color: var(--c-blue);
}

.calc-privacy a {
    color: var(--c-blue);
}

/* Helper links */
.calc-helper-links {
    font-size: .82rem;
    color: var(--c-muted);
    margin-top: .5rem;
    margin-bottom: .5rem;
    text-align: center;
}

.calc-helper-links__btns {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: .4rem;
    flex-wrap: wrap;
}

.calc-link-btn {
    background: none;
    border: none;
    border-bottom: 0.75px solid var(--c-text);
    color: var(--c-text);
    font-size: .88rem;
    cursor: pointer;
    padding: .1rem 0 .3rem;
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    font-weight: 700;
    transition: opacity var(--transition);
}

.calc-link-btn:hover {
    opacity: .7;
}

/* ── ERRORI ────────────────────────────────────────────── */
.calc-error {
    font-size: .8rem;
    color: var(--c-error);
    margin-top: .4rem;
    display: flex;
    align-items: center;
    gap: .3rem;
}

/* ── OFFERTE ───────────────────────────────────────────── */
.calc-offers {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.calc-offer {
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: .75rem;
    transition: box-shadow var(--transition);
}

.calc-offer:hover {
    box-shadow: var(--shadow);
}

.calc-offer__badge {
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--c-blue);
}

.calc-offer__name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--c-blue-dark);
    margin: 0;
}

.calc-offer__price {
    display: flex;
    align-items: baseline;
    gap: .4rem;
}

.calc-offer__price-val {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--c-blue-dark);
}

.calc-offer__price-val::before {
    content: '€ ';
    font-size: 1rem;
    font-weight: 400;
}

.calc-offer__price-unit {
    font-size: .78rem;
    color: var(--c-muted);
}

.calc-offer__features {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: .84rem;
    color: var(--c-muted);
    display: flex;
    flex-direction: column;
    gap: .35rem;
    flex: 1;
}

.calc-offer__features li::before {
    content: '✓ ';
    color: var(--c-blue);
    font-weight: 700;
}

.calc-footer-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.calc-contacts {
    border-top: 1px solid var(--c-border);
    padding-top: 1.5rem;
    text-align: center;
}

.calc-contacts h3 {
    font-size: .95rem;
    color: var(--c-text);
    margin: 0 0 1rem;
}

.calc-contact-btn {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: .2rem;
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: .9rem 1.5rem;
    text-decoration: none;
    color: var(--c-text);
    transition: all var(--transition);
}

.calc-contact-btn:hover {
    border-color: var(--c-blue);
    background: var(--c-blue-light);
}

.calc-contact-btn strong {
    color: var(--c-blue);
    font-size: .9rem;
}

.calc-contact-btn span {
    font-size: .78rem;
    color: var(--c-muted);
}

/* ── LOADING ───────────────────────────────────────────── */
.calc-loading {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--c-muted);
}

.calc-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--c-blue-light);
    border-top-color: var(--c-blue);
    border-radius: 50%;
    animation: calc-spin .8s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes calc-spin { to { transform: rotate(360deg); } }

.calc-btn__spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: calc-spin .8s linear infinite;
    vertical-align: middle;
}
.calc-btn__spinner[hidden] { display: none !important; }

@media (prefers-reduced-motion: reduce) {
    .calc-btn__spinner { animation: none; opacity: .6; }
}


/* ── PAGINA RISULTATI [calcolatore_offerte] ────────────────────────────── */
.calc-risultati {
    container-type: inline-size;
}

.calc-risultati__wrap {
    overflow: hidden;
}

/* Desktop: 3 colonne affiancate */
.calc-risultati__track {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.calc-risultati__nav {
    display: none; /* frecce nascoste su desktop */
}

/* Card wrapper: altezza uniforme tra le 3 colonne */
.calc-risultato {
    display: flex;
    flex-direction: column;
}

/* Override plugin styles nel contesto del calcolatore */
.calc-risultato .alp-card-offer {
    flex: 1;
    min-height: 621px;
    margin-top: 0;
    gap: 16px; /* gap tra figure e .alp-card-content */
}

/* Mobile: carousel 1 per volta */
@media (max-width: 767px) {
    .calc-risultati__track {
        display: flex;
        flex-wrap: nowrap;
        gap: 16px;
        transition: transform 0.35s ease;
        will-change: transform;
    }

    .calc-risultato {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .calc-risultati__nav {
        display: flex;
        margin-top: 1rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .calc-risultati__track { transition: none !important; }
}

.calc-api-error,
.calc-no-results {
    text-align: center;
    padding: 2rem;
    color: var(--c-muted);
}

/* ── CTA BAR ───────────────────────────────────────────── */
.calc-cta-bar {
    background: #ffffff;
    padding: 1.5rem 2rem;
}

.calc-cta-bar__inner {
    max-width: 620px;
    margin: 0 auto;
    display: flex;
    justify-content: flex-end;
}

#calc-btn-cta {
    font-family: 'Akko Pro', inherit;
    font-weight: 500;
    font-size: 1rem;
    line-height: 1.4;
    letter-spacing: 0;
}

#calc-btn-cta:not(:disabled) {
    background: #DB3700;
    border-color: #DB3700;
    color: #ffffff;
}

#calc-btn-cta:not(:disabled):hover {
    background: #c23000;
    border-color: #c23000;
}

/* ── CALCOLA CONSUMI PANEL ─────────────────────────────── */
.calc-calcolo-panel {
    border-radius: var(--radius);
    background: var(--c-white);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    margin-top: 1rem;
}

.calc-calcolo-panel__label {
    font-size: 16px;
    font-weight: 500;
    color: var(--c-text);
    text-transform: none;
    letter-spacing: 0;
    margin: 0 0 1.25rem;
}

.calc-calcolo-heading {
    font-size: 26px;
    font-weight: 500;
    color: var(--c-blue-dark);
    line-height: 1.3;
    text-align: center;
    margin: 0 0 1rem;
}

.calc-card__number {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--c-blue-dark);
    line-height: 1.1;
}

.calc-btn--full {
    width: 100%;
    justify-content: center;
    margin-top: .25rem;
    font-family: 'Akko Pro', inherit;
    font-weight: 500;
    font-size: 1rem;
}

.calc-calcolo-result {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: #EBF9FF;
    border-radius: var(--radius);
    padding: 16px;
    margin-top: 1rem;
}

.calc-calcolo-result__label {
    font-size: 16px;
    color: var(--c-text);
    font-weight: 500;
    text-align: center;
}

.calc-calcolo-result__value {
    font-size: 20px;
    font-weight: 500;
    color: var(--c-blue-dark);
    text-align: center;
}

/* ── BUTTONS ───────────────────────────────────────────── */
.calc-btn {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .75rem 2rem;
    border-radius: var(--radius);
    font-size: .9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    border: 1.5px solid transparent;
    text-decoration: none;
    line-height: 1;
}

.calc-btn--primary {
    background: var(--c-orange);
    color: var(--c-white);
    border-color: var(--c-orange);
    margin-left: auto;
}

.calc-btn--primary:hover {
    background: var(--c-orange-dk);
    border-color: var(--c-orange-dk);
}

.calc-btn--primary:disabled,
.calc-btn--primary.is-disabled {
    background: var(--c-border);
    border-color: var(--c-border);
    color: var(--c-muted);
    cursor: not-allowed;
}

.calc-btn--outline {
    background: var(--c-white);
    color: var(--c-text);
    border-color: var(--c-border);
}

.calc-btn--outline:hover {
    border-color: var(--c-blue);
    color: var(--c-blue);
}

/* ── RESPONSIVE ────────────────────────────────────────── */
@media (max-width: 680px) {
    .calc-header {
        padding: .75rem 1rem;
    }

    .calc-stepper {
        display: none;
    }

    .calc-stepper__mobile {
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: .75rem;
        padding: 1rem 1rem 0;
    }

    .calc-stepper__mobile-label {
        flex-shrink: 0;
        font-size: .82rem;
        font-weight: 700;
        color: var(--c-blue-dark);
        white-space: nowrap;
    }

    .calc-stepper__mobile-bar {
        flex: 1;
        height: 4px;
        border-radius: 2px;
        background: var(--c-border);
        overflow: hidden;
    }

    .calc-stepper__mobile-progress {
        height: 100%;
        background: var(--c-blue);
        width: 20%;
        transition: width .4s ease;
    }

    .calc-panel {
        padding: 1rem 1rem 0;
    }

    .calc-title {
        font-size: 1.2rem;
        margin-bottom: 1.5rem;
    }

    .calc-cards--3col,
    .calc-cards--2col {
        grid-template-columns: 1fr;
    }

    .calc-radio-pills {
        gap: .5rem;
    }

    .calc-radio-pill {
        min-width: 0;
        flex: 1;
    }

    .calc-navigation {
        padding: 1rem;
    }

    .calc-btn {
        padding: .7rem 1.25rem;
        font-size: .85rem;
    }

    .calc-bolletta-data__values {
        flex-direction: column;
        gap: .5rem;
    }

    .calc-offers {
        grid-template-columns: 1fr;
    }
}