/* =============================================================
   BuildShield / Construction Company — Estimator Calculator Styles
   Themed to match Navy (#0B1D3A) & Orange (#fb7a38) with Poppins
   ============================================================= */

#calculator .calculator-wrapper {
    width: min(100%, 960px);
    margin: 0 auto;
    background: #ffffff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(11, 29, 58, 0.12);
    border: 1px solid rgba(11, 29, 58, 0.08);
}

#calculator .calculator-header {
    padding: 40px 45px 30px;
    background: var(--clr-dark, #0B1D3A);
    color: #ffffff;
    text-align: center;
}

#calculator .eyebrow {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--clr-primary, #fb7a38);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

#calculator .calculator-header h1,
#calculator .calculator-header h2 {
    margin: 6px 0 10px;
    font-size: clamp(1.6rem, 3.5vw, 2.2rem);
    font-weight: 700;
    color: #ffffff;
}

#calculator .calculator-header p {
    margin: 0;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
}

#calculator .progress {
    margin-top: 30px;
    position: relative;
}

#calculator .progress-line {
    height: 4px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 4px;
}

#calculator .progress-line span {
    display: block;
    height: 100%;
    width: 20%;
    background: var(--clr-primary, #fb7a38);
    border-radius: 4px;
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

#calculator .progress-steps {
    display: flex;
    justify-content: space-between;
    margin-top: -14px;
}

#calculator .progress-steps span {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #17325E;
    color: rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

#calculator .progress-steps span.active {
    background: var(--clr-primary, #fb7a38);
    color: #ffffff;
    box-shadow: 0 0 12px rgba(251, 122, 56, 0.4);
}

#calculator .step {
    display: none;
    padding: 40px 45px;
}

#calculator .step.active {
    display: block;
    animation: fadeInStep 0.4s ease forwards;
}

@keyframes fadeInStep {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

#calculator .step-heading {
    margin-bottom: 30px;
}

#calculator .step-heading span {
    color: var(--clr-primary, #fb7a38);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

#calculator .step-heading h2 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--clr-dark, #0B1D3A);
    margin: 6px 0;
}

#calculator .step-heading p {
    color: #64748b;
    font-size: 0.95rem;
    margin: 0;
}

#calculator .grid {
    display: grid;
    gap: 20px;
}

#calculator .grid.two {
    grid-template-columns: 1fr 1fr;
}

#calculator .field {
    margin-bottom: 20px;
}

#calculator .field.full {
    grid-column: 1 / -1;
}

#calculator .field label {
    display: block;
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--clr-dark, #0B1D3A);
    margin-bottom: 8px;
}

#calculator input[type="text"],
#calculator input[type="tel"],
#calculator input[type="email"],
#calculator input[type="number"],
#calculator select {
    width: 100%;
    height: 48px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    padding: 0 16px;
    font-size: 0.92rem;
    font-family: inherit;
    background: #ffffff;
    color: var(--clr-dark, #0B1D3A);
    transition: all 0.25s ease;
}

#calculator input:focus,
#calculator select:focus {
    outline: none;
    border-color: var(--clr-primary, #fb7a38);
    box-shadow: 0 0 0 4px rgba(251, 122, 56, 0.12);
}

#calculator .input-unit {
    position: relative;
}

#calculator .input-unit input {
    padding-right: 75px;
}

#calculator .input-unit span {
    position: absolute;
    right: 14px;
    top: 14px;
    color: #64748b;
    font-size: 0.85rem;
    font-weight: 500;
}

#calculator .cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

#calculator .cards.three {
    grid-template-columns: repeat(3, 1fr);
}

#calculator .material-cards {
    grid-template-columns: repeat(5, 1fr);
}

#calculator .choice {
    cursor: pointer;
}

#calculator .choice input {
    display: none;
}

#calculator .choice span {
    min-height: 90px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 12px;
    font-size: 0.85rem;
    font-weight: 500;
    line-height: 1.4;
    color: var(--clr-dark, #0B1D3A);
    background: #ffffff;
    transition: all 0.25s ease;
}

#calculator .choice:hover span {
    border-color: var(--clr-primary-light, #fc9a64);
}

#calculator .choice input:checked + span {
    border-color: var(--clr-primary, #fb7a38);
    background: rgba(251, 122, 56, 0.06);
    color: var(--clr-primary-dark, #e0621c);
    font-weight: 600;
    box-shadow: 0 0 0 2px var(--clr-primary, #fb7a38);
}

#calculator .conditional {
    display: none;
    padding: 20px;
    margin: 20px 0;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
}

#calculator .conditional.show {
    display: block;
}

#calculator .option-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 25px;
}

#calculator .option-list label {
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    padding: 14px;
    display: flex;
    gap: 10px;
    cursor: pointer;
    align-items: center;
    font-size: 0.88rem;
    color: var(--clr-dark, #0B1D3A);
    background: #ffffff;
    transition: all 0.25s ease;
}

#calculator .option-list label:hover {
    border-color: var(--clr-primary-light, #fc9a64);
}

#calculator .option-list label:has(input:checked) {
    border-color: var(--clr-primary, #fb7a38);
    background: rgba(251, 122, 56, 0.06);
}

#calculator .option-list input {
    width: 18px;
    height: 18px;
    accent-color: var(--clr-primary, #fb7a38);
}

#calculator .actions {
    display: flex;
    justify-content: space-between;
    gap: 15px;
    margin-top: 35px;
}

#calculator button {
    min-height: 48px;
    border: 0;
    border-radius: 8px;
    padding: 0 28px;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.25s ease;
}

#calculator .next-btn,
#calculator .calculate-btn {
    background: var(--clr-primary, #fb7a38);
    color: #ffffff;
    margin-left: auto;
}

#calculator .next-btn:hover,
#calculator .calculate-btn:hover {
    background: var(--clr-primary-dark, #e0621c);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(251, 122, 56, 0.3);
}

#calculator .back-btn {
    background: #f1f5f9;
    color: var(--clr-dark, #0B1D3A);
    border: 1px solid #cbd5e1;
}

#calculator .back-btn:hover {
    background: #e2e8f0;
}

#calculator .calculate-btn {
    min-width: 260px;
}

#calculator .estimate-box {
    background: var(--clr-dark, #0B1D3A);
    color: #ffffff;
    text-align: center;
    padding: 30px 20px;
    border-radius: 14px;
    margin-bottom: 25px;
}

#calculator .project-summary-header {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--clr-primary, #fb7a38);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

#calculator .estimate-box > span {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

#calculator .estimate-price {
    color: var(--clr-primary, #fb7a38);
    font-size: 2.8rem;
    font-weight: 700;
    margin: 12px 0;
}

#calculator .estimate-box p {
    margin: 0;
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.75);
}

#calculator .summary {
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    overflow: hidden;
    background: #ffffff;
}

#calculator .summary-row {
    display: flex;
    justify-content: space-between;
    padding: 13px 18px;
    border-bottom: 1px solid #f1f5f9;
    font-size: 0.9rem;
    color: #475569;
}

#calculator .summary-row:last-child {
    border-bottom: 0;
}

#calculator .summary-row strong {
    color: var(--clr-dark, #0B1D3A);
}

#calculator .email-message {
    margin-top: 15px;
    font-size: 0.9rem;
    color: var(--clr-error, #EF4444);
    text-align: center;
    font-weight: 500;
}

#calculator .success-message {
    display: none;
    text-align: center;
    padding: 60px 40px;
}

#calculator .success-message.show {
    display: block;
}

#calculator .success-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: rgba(34, 197, 94, 0.1);
    color: #22C55E;
    font-size: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

#calculator .success-message h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--clr-dark, #0B1D3A);
    margin-bottom: 10px;
}

#calculator .success-message p {
    color: #64748b;
    font-size: 1rem;
    margin-bottom: 25px;
}

#calculator .inspection-btn {
    display: inline-block;
    background: var(--clr-primary, #fb7a38);
    color: #ffffff;
    text-decoration: none;
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.25s ease;
}

#calculator .inspection-btn:hover {
    background: var(--clr-primary-dark, #e0621c);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(251, 122, 56, 0.3);
}

/* Responsiveness */
@media (max-width: 900px) {
    #calculator .material-cards {
        grid-template-columns: repeat(3, 1fr);
    }
    #calculator .option-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 750px) {
    #calculator .calculator-header,
    #calculator .step {
        padding: 30px 20px;
    }

    #calculator .grid.two,
    #calculator .cards,
    #calculator .cards.three,
    #calculator .material-cards,
    #calculator .option-list {
        grid-template-columns: 1fr 1fr;
    }

    #calculator .estimate-price {
        font-size: 2.2rem;
    }
}

@media (max-width: 480px) {
    #calculator .grid.two,
    #calculator .cards,
    #calculator .cards.three,
    #calculator .material-cards,
    #calculator .option-list {
        grid-template-columns: 1fr;
    }

    #calculator .actions {
        flex-direction: column-reverse;
    }

    #calculator .actions button {
        width: 100%;
        margin-left: 0;
    }
}