/* ==========================================================
   Sanchama Weight Calculator — Premium Edition
   Author: Nishant Sanghrajka
   ========================================================== */

.swc-wrap {
    --swc-red: #C1272D;
    --swc-red-dark: #9E1F24;
    --swc-ink: #181818;
    --swc-steel: #6B6F72;
    --swc-paper: #F6F5F3;
    --swc-line: #E7E5E1;

    font-family: 'Inter', 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    max-width: 560px;
    width: 100%;
    margin: 0 auto;
    box-sizing: border-box;
}

.swc-wrap *,
.swc-wrap *::before,
.swc-wrap *::after {
    box-sizing: border-box;
}

.swc-card {
    background: #ffffff;
    border: 1px solid var(--swc-line);
    border-radius: 14px;
    padding: 34px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.04), 0 20px 45px rgba(24,24,24,0.08);
    position: relative;
    overflow: hidden;
}

.swc-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--swc-red) 0%, #E0555A 50%, var(--swc-red) 100%);
}

.swc-header {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 26px;
}

.swc-icon {
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: #FCEBEC;
    color: var(--swc-red);
    display: flex;
    align-items: center;
    justify-content: center;
}

.swc-title {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 21px;
    color: var(--swc-ink);
    margin: 0 0 4px 0;
    line-height: 1.25;
}

.swc-subtitle {
    font-size: 13.5px;
    color: var(--swc-steel);
    margin: 0;
    line-height: 1.5;
}

.swc-row {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.swc-field {
    flex: 1 1 200px;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.swc-field label {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--swc-red);
}

.swc-field input {
    padding: 13px 14px;
    font-size: 15px;
    font-family: inherit;
    color: var(--swc-ink);
    background: var(--swc-paper);
    border: 1.5px solid var(--swc-line);
    border-radius: 8px;
    outline: none;
    transition: border-color .15s ease, background .15s ease, box-shadow .15s ease;
    width: 100%;
    min-height: 46px;
    -webkit-appearance: none;
    appearance: none;
}

.swc-select-wrap {
    position: relative;
}

.swc-select-wrap::after {
    content: '';
    position: absolute;
    right: 16px;
    top: 50%;
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--swc-steel);
    border-bottom: 2px solid var(--swc-steel);
    transform: translateY(-70%) rotate(45deg);
    pointer-events: none;
}

.swc-select-wrap select {
    padding: 13px 40px 13px 14px;
    font-size: 15px;
    font-family: inherit;
    color: var(--swc-ink);
    background: var(--swc-paper);
    border: 1.5px solid var(--swc-line);
    border-radius: 8px;
    outline: none;
    transition: border-color .15s ease, background .15s ease;
    width: 100%;
    min-height: 46px;
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
}

.swc-field input:hover,
.swc-select-wrap select:hover {
    border-color: #d3d1cb;
}

.swc-field input:focus,
.swc-select-wrap select:focus {
    border-color: var(--swc-red);
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(193, 39, 45, 0.12);
}

.swc-field input[type="number"]::-webkit-outer-spin-button,
.swc-field input[type="number"]::-webkit-inner-spin-button {
    opacity: 0.5;
}

.swc-btn {
    position: relative;
    width: 100%;
    background: var(--swc-red);
    color: #ffffff;
    border: none;
    padding: 15px 20px;
    font-family: 'Poppins', sans-serif;
    font-size: 14.5px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border-radius: 8px;
    cursor: pointer;
    transition: background .15s ease, transform .1s ease, box-shadow .15s ease;
    margin-top: 8px;
    min-height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    -webkit-tap-highlight-color: transparent;
}

.swc-btn:hover {
    background: var(--swc-red-dark);
    box-shadow: 0 8px 20px rgba(193, 39, 45, 0.25);
}

.swc-btn:active {
    transform: translateY(1px);
}

.swc-btn:focus-visible {
    outline: 2px solid var(--swc-red-dark);
    outline-offset: 2px;
}

.swc-spinner {
    display: none;
    width: 15px;
    height: 15px;
    border: 2px solid rgba(255,255,255,0.4);
    border-top-color: #fff;
    border-radius: 50%;
}

.swc-btn.is-loading .swc-spinner {
    display: inline-block;
    animation: swc-spin 0.6s linear infinite;
}

.swc-btn.is-loading .swc-btn-label {
    opacity: 0.85;
}

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

.swc-result {
    margin-top: 22px;
    padding: 18px 20px;
    background: #FCEBEC;
    border: 1px solid #F3CBCD;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    animation: swc-fade-in 0.3s ease;
}

@keyframes swc-fade-in {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

.swc-result-label {
    font-family: 'Poppins', sans-serif;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--swc-steel);
}

.swc-result-value-row {
    font-family: 'Poppins', sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: var(--swc-ink);
    display: flex;
    align-items: baseline;
    gap: 6px;
}

.swc-result-value-row #swc-result-value {
    color: var(--swc-red);
}

.swc-result-unit {
    font-size: 14px;
    font-weight: 600;
    color: var(--swc-steel);
}

.swc-error {
    margin-top: 18px;
    padding: 13px 16px;
    background: #FDECEC;
    border: 1px solid #f5c2c2;
    border-radius: 8px;
    font-size: 13.5px;
    color: var(--swc-red-dark);
    animation: swc-fade-in 0.25s ease;
}

/* ============ Responsive breakpoints ============ */

@media (max-width: 680px) {
    .swc-card {
        padding: 28px 24px;
    }
}

@media (max-width: 480px) {
    .swc-card {
        padding: 22px 18px;
        border-radius: 12px;
    }
    .swc-row {
        flex-direction: column;
        gap: 14px;
        margin-bottom: 14px;
    }
    .swc-field {
        flex: 1 1 auto;
    }
    .swc-title {
        font-size: 19px;
    }
    .swc-result-value-row {
        font-size: 21px;
    }
    .swc-field input,
    .swc-select-wrap select,
    .swc-btn {
        min-height: 48px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .swc-result,
    .swc-error {
        animation: none;
    }
    .swc-spinner {
        animation: none;
    }
}

/* ============ Lead capture / thank-you ============ */

.swc-lead-prompt {
    margin-top: 18px;
    padding: 16px 18px;
    background: var(--swc-paper);
    border: 1px solid var(--swc-line);
    border-radius: 10px;
    animation: swc-fade-in 0.25s ease;
}

.swc-lead-question {
    font-size: 14px;
    font-weight: 600;
    color: var(--swc-ink);
    margin: 0 0 12px 0;
}

.swc-lead-btns {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.swc-btn-secondary {
    background: var(--swc-ink);
    flex: 1 1 auto;
}

.swc-btn-secondary:hover {
    background: #000;
}

.swc-btn-text {
    background: none;
    border: none;
    color: var(--swc-steel);
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    padding: 8px 4px;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.swc-btn-text:hover {
    color: var(--swc-red);
}

.swc-lead-form {
    animation: swc-fade-in 0.25s ease;
}

.swc-lead-title {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 19px;
    color: var(--swc-ink);
    margin: 0 0 4px 0;
}

.swc-lead-form .swc-subtitle {
    margin-bottom: 22px;
}

.swc-thankyou {
    text-align: center;
    padding: 12px 0 4px;
    animation: swc-fade-in 0.3s ease;
}

.swc-icon-success {
    background: #E9F6EC;
    color: #1E8A3C;
    margin: 0 auto 16px;
}

.swc-thankyou h4 {
    font-family: 'Poppins', sans-serif;
    font-size: 20px;
    color: var(--swc-ink);
    margin: 0 0 8px 0;
}

.swc-thankyou p {
    font-size: 14px;
    color: var(--swc-steel);
    margin: 0 0 18px 0;
}