:root {
    --primary: #2A9D8F;
    --primary-dark: #21867a;
    --accent: #E76F51;
    --bg-color: #f0f4f8;
    --text-main: #264653;
    --text-light: #6d7d8b;
    --white: #ffffff;
    --shadow: 0 10px 30px rgba(0,0,0,0.08);
    --radius: 16px;
    --warning: #f59e0b;
    --danger: #ef4444;
    --success: #10b981;
    --info: #3b82f6;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    padding: 0;
    min-height: 100vh;
}

/* CONTAINER PRINCIPAL - TOTALMENTE FLUIDO */
.main-container { 
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* CABEÇALHO DA CALCULADORA - LARGURA CONTROLADA */
.calculator-header {
    width: 100%;
    max-width: 700px;
    padding: 40px 20px 20px;
    text-align: center;
}

.title { 
    font-family: 'Poppins', sans-serif; 
    color: var(--primary); 
    font-size: 2rem; 
    margin-bottom: 10px; 
}

.subtitle { 
    color: var(--text-light); 
    margin-bottom: 25px; 
    font-size: 0.95rem; 
}

/* SELETOR DE MODO */
.mode-selector {
    margin-bottom: 25px;
    padding: 20px;
    background: linear-gradient(135deg, #f0fdfa 0%, #e0f2fe 100%);
    border-radius: 12px;
    border: 2px solid var(--primary);
}

.mode-label {
    display: block;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 12px;
    font-size: 0.95rem;
}

.mode-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.mode-option input { display: none; }

.mode-card {
    border: 2px solid #e2e8f0;
    padding: 12px 8px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    color: var(--text-light);
    background: white;
    text-align: center;
    font-size: 0.85rem;
}

.mode-card i { font-size: 1.3rem; }

.mode-option input:checked + .mode-card {
    border-color: var(--primary);
    color: var(--primary);
    background: #f0fdfa;
    box-shadow: 0 4px 12px rgba(42, 157, 143, 0.15);
}

/* SELETOR DE GÊNERO */
.gender-selector { 
    display: flex; 
    gap: 15px; 
    justify-content: center; 
    margin-bottom: 10px; 
}

.gender-option input { display: none; }

.gender-card {
    border: 2px solid #e2e8f0; 
    padding: 15px 25px; 
    border-radius: 12px; 
    cursor: pointer;
    transition: all 0.3s; 
    display: flex; 
    flex-direction: column; 
    align-items: center; 
    gap: 8px; 
    color: var(--text-light);
}

.gender-option input:checked + .gender-card { 
    border-color: var(--primary); 
    color: var(--primary); 
    background: #f0fdfa; 
}

.gender-card i { font-size: 1.5rem; }

/* LOADER - ESTILO IGUAL AO DA CALCULADORA DE JUROS COMPOSTOS */
.form-loader {
    width: 100%;
    max-width: 700px;
    padding: 60px 20px;
    text-align: center;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid #e2e8f0;
    border-top: 4px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loader-text {
    color: var(--text-main);
    font-size: 1rem;
    font-weight: 500;
}

.progress-container {
    width: 100%;
    max-width: 300px;
    height: 8px;
    background: #e2e8f0;
    border-radius: 4px;
    overflow: hidden;
    margin: 10px 0;
}

.progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
    border-radius: 4px;
    transition: width 0.1s linear;
}

.progress-text {
    color: var(--text-light);
    font-size: 0.9rem;
    font-weight: 600;
}

/* CLASSE HIDDEN PARA ESCONDER ELEMENTOS */
.hidden {
    display: none !important;
}

/* WRAPPER DO ANÚNCIO - FLUIDO E CENTRALIZADO */
.ad-wrapper {
    width: 100%;
    display: flex;
    justify-content: center;
    margin: 10px 0;
}

/* CONTAINER DO ANÚNCIO - SEM RESTRIÇÃO DE LARGURA */
.ad-container {
    width: 100%;
    text-align: center;
}

.ad-container pubguru {
    display: block;
    margin: 0 auto;
}

/* CORPO DA CALCULADORA - LARGURA CONTROLADA */
.calculator-body {
    width: 100%;
    max-width: 700px;
    padding: 0 20px 40px;
    background: var(--white);
    border-radius: 0 0 var(--radius) var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 30px;
}

/* CHECKBOX GESTAÇÃO */
.pregnancy-check {
    background: linear-gradient(135deg, #fdf2f8 0%, #fce7f3 100%);
    border: 2px solid #ec4899;
    border-radius: 12px;
    padding: 15px;
    margin-bottom: 15px;
    animation: slideDown 0.3s ease-out;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    position: relative;
    padding-left: 35px;
    font-weight: 600;
    color: #831843;
}

.checkbox-label input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.checkmark {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    height: 24px;
    width: 24px;
    background-color: white;
    border: 2px solid #ec4899;
    border-radius: 6px;
    transition: all 0.3s;
}

.checkbox-label:hover input ~ .checkmark {
    background-color: #fce7f3;
}

.checkbox-label input:checked ~ .checkmark {
    background-color: #ec4899;
    border-color: #ec4899;
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
    left: 7px;
    top: 3px;
    width: 6px;
    height: 12px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-label input:checked ~ .checkmark:after {
    display: block;
}

.checkbox-text {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 10px;
}

.checkbox-text i {
    color: #ec4899;
    font-size: 1.2rem;
}

.pregnancy-details {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px dashed #f9a8d4;
    animation: slideDown 0.3s ease-out;
}

/* IDADE CRIANÇA */
.child-age-input {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border: 2px solid #f59e0b;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 15px;
    animation: slideDown 0.3s ease-out;
}

.age-inputs-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.input-hint {
    display: block;
    margin-top: 8px;
    color: #92400e;
    font-size: 0.85rem;
}

/* Inputs */
.form-group { 
    text-align: left; 
    margin-bottom: 20px;
}

.form-group label { 
    display: block; 
    margin-bottom: 8px; 
    font-weight: 600; 
    font-size: 0.9rem; 
    color: var(--text-main); 
}

.input-wrapper { position: relative; }

.input-wrapper i { 
    position: absolute; 
    left: 15px; 
    top: 50%; 
    transform: translateY(-50%); 
    color: var(--text-light); 
}

.input-wrapper input {
    width: 100%; 
    padding: 15px 15px 15px 45px; 
    border: 2px solid #e2e8f0; 
    border-radius: 10px;
    font-size: 1rem; 
    outline: none; 
    transition: 0.3s; 
    font-family: 'Inter', sans-serif;
}

.input-wrapper input:focus { 
    border-color: var(--primary); 
    box-shadow: 0 0 0 4px rgba(42, 157, 143, 0.1); 
}

/* Botão Calcular */
.calculate-btn {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white; 
    border: none; 
    padding: 18px 40px; 
    font-size: 1.1rem; 
    font-weight: 700;
    border-radius: 50px; 
    cursor: pointer; 
    transition: transform 0.2s, box-shadow 0.2s;
    width: 100%; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    gap: 10px;
    margin-top: 10px;
}

.calculate-btn:hover { 
    transform: translateY(-2px); 
    box-shadow: 0 10px 20px rgba(42, 157, 143, 0.3); 
}

.calculate-btn:active { transform: translateY(0); }

/* Resultado - LARGURA CONTROLADA MAS MAIOR */
.result-section {
    margin-top: 30px;
    background: white;
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow);
    animation: slideUp 0.5s ease-out;
    width: 100%;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

/* Alerta de Modo */
.mode-alert {
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-weight: 500;
    text-align: center;
    display: none;
}

.mode-alert.elderly {
    display: block;
    background: #fef3c7;
    border: 2px solid #f59e0b;
    color: #92400e;
}

.mode-alert.child {
    display: block;
    background: #dbeafe;
    border: 2px solid #3b82f6;
    color: #1e40af;
}

.mode-alert.pregnancy {
    display: block;
    background: #fce7f3;
    border: 2px solid #ec4899;
    color: #831843;
}

.result-header { 
    display: flex; 
    align-items: center; 
    gap: 20px; 
    margin-bottom: 30px; 
}

.imc-circle {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 5px 15px rgba(42, 157, 143, 0.3);
    transition: all 0.3s;
}

.imc-circle.pregnancy {
    background: linear-gradient(135deg, #ec4899, #be185d);
    box-shadow: 0 5px 15px rgba(236, 72, 153, 0.3);
}

.imc-circle.child {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.3);
}

.imc-value { 
    font-size: 1.75rem; 
    font-weight: 700; 
    line-height: 1; 
    margin-bottom: 2px; 
}

.imc-label { 
    font-size: 0.8rem; 
    opacity: 0.9; 
}

.result-text h3 { 
    color: var(--text-main); 
    font-size: 1.3rem; 
    margin-bottom: 5px; 
}

.result-text p { 
    color: var(--text-light); 
    font-size: 0.9rem; 
}

/* Barra IMC */
.imc-bar-container { 
    height: 16px; 
    background: #e2e8f0; 
    border-radius: 20px; 
    margin: 30px 0 10px; 
    position: relative; 
    overflow: visible;
}

.imc-bar {
    height: 100%;
    width: 100%;
    border-radius: 20px;
    background: linear-gradient(90deg, 
        #FF9F1C 0%, #FF9F1C 10.4%,
        #2A9D8F 10.4%, #2A9D8F 37.5%,
        #F4A261 37.5%, #F4A261 58.3%,
        #E76F51 58.3%, #E76F51 100%
    );
}

.imc-marker {
    position: absolute; 
    top: -6px;
    width: 6px; 
    height: 28px;
    background: #264653; 
    border: 2px solid white;
    left: 50%; 
    transform: translateX(-50%); 
    border-radius: 4px; 
    transition: left 0.8s cubic-bezier(0.22, 1, 0.36, 1);
    box-shadow: 0 2px 5px rgba(0,0,0,0.3);
}

.imc-legend {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-light);
    margin-bottom: 30px;
    padding: 0 5px;
}

/* PERCENTIL (CRIANÇAS) */
.percentile-box {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border: 2px solid #3b82f6;
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 25px;
    text-align: center;
    animation: fadeIn 0.8s ease-out;
}

.percentile-box h4 {
    color: #1e40af;
    font-size: 1.1rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.percentile-display { 
    margin-bottom: 15px; 
}

.percentile-value {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    color: #3b82f6;
    line-height: 1;
}

.percentile-label {
    font-size: 0.9rem;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.percentile-desc {
    font-size: 0.95rem;
    color: #334155;
    margin-bottom: 20px;
    line-height: 1.5;
}

.percentile-chart { 
    margin-top: 15px; 
}

.percentile-bar {
    position: relative;
    height: 40px;
    background: linear-gradient(90deg, 
        #ef4444 0%, #ef4444 5%,
        #22c55e 5%, #22c55e 85%,
        #f59e0b 85%, #f59e0b 95%,
        #ef4444 95%, #ef4444 100%
    );
    border-radius: 20px;
    overflow: visible;
}

.percentile-zones {
    display: flex;
    height: 100%;
    position: relative;
}

.zone {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.percentile-marker {
    position: absolute;
    top: -8px;
    width: 12px;
    height: 56px;
    background: #1e40af;
    border: 3px solid white;
    border-radius: 6px;
    left: 50%;
    transform: translateX(-50%);
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    transition: left 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

/* PESO IDEAL */
.ideal-weight-box {
    background: linear-gradient(135deg, #f0fdfa 0%, #e0f2fe 100%);
    border: 2px solid var(--primary);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 25px;
    text-align: center;
    animation: fadeIn 0.8s ease-out;
}

.ideal-weight-box h4 {
    color: var(--primary-dark);
    font-size: 1.2rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.ideal-weight-content {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.ideal-weight-range {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.weight-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 5px;
    font-weight: 500;
}

.weight-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    font-family: 'Poppins', sans-serif;
}

.current-vs-ideal {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    padding: 15px;
    background: rgba(255,255,255,0.6);
    border-radius: 8px;
}

.weight-current, .weight-diff { 
    text-align: center; 
}

.weight-current strong, .weight-diff strong {
    display: block;
    font-size: 1.1rem;
    color: var(--text-main);
}

.weight-current span, .weight-diff span {
    font-size: 0.85rem;
    color: var(--text-light);
}

.weight-diff .positive {
    color: #E76F51;
    font-weight: 700;
}

.weight-diff .negative {
    color: #2A9D8F;
    font-weight: 700;
}

.weight-goal {
    background: white;
    padding: 15px;
    border-radius: 8px;
    border-left: 4px solid var(--accent);
    text-align: left;
}

.weight-goal p {
    margin: 0;
    font-size: 0.95rem;
    color: var(--text-main);
    line-height: 1.5;
}

.weight-goal strong { 
    color: var(--accent); 
}

.weight-goal small {
    display: block;
    margin-top: 10px;
    color: var(--text-light);
    font-size: 0.85rem;
}

/* PESO GESTACIONAL */
.pregnancy-weight-box {
    background: linear-gradient(135deg, #fdf2f8 0%, #fce7f3 100%);
    border: 2px solid #ec4899;
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 25px;
    animation: fadeIn 0.8s ease-out;
}

.pregnancy-weight-box h4 {
    color: #831843;
    font-size: 1.1rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.pregnancy-weight-content {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.gain-recommendation {
    background: white;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.gain-value {
    font-size: 2rem;
    font-weight: 700;
    color: #ec4899;
    display: block;
    margin-bottom: 5px;
}

.gain-label {
    font-size: 0.9rem;
    color: #64748b;
}

.gain-status {
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
}

.gain-status.adequate {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #10b981;
}

.gain-status.insufficient {
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #f59e0b;
}

.gain-status.excessive {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #ef4444;
}

.current-gain {
    background: white;
    padding: 15px;
    border-radius: 8px;
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 10px;
}

.gain-item { 
    text-align: center; 
}

.gain-item strong {
    display: block;
    font-size: 1.2rem;
    color: #831843;
}

.gain-item span {
    font-size: 0.85rem;
    color: #64748b;
}

/* Caixas de Texto */
.formula-box, .complementary-box {
    background: #f8fafc;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 25px;
    text-align: left;
}

.formula-box h5, .complementary-box h4 {
    margin-bottom: 10px;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 8px;
}

.math-display {
    font-family: monospace;
    font-size: 1.1rem;
    color: var(--primary-dark);
    margin-top: 5px;
    font-weight: 700;
}

/* CTAs Médicos */
.cta-card {
    margin: 25px 0;
    border-left: 5px solid;
    overflow: hidden;
    animation: fadeIn 1s;
    text-align: left;
}

.cta-content {
    background: white;
    padding: 20px;
    border: 1px solid #eee;
    border-left: none;
    border-radius: 0 8px 8px 0;
}

.cta-title {
    font-size: 1.2rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.cta-success { border-color: #2A9D8F; }
.cta-success .cta-title { color: #2A9D8F; }

.cta-warning { border-color: #E9C46A; }
.cta-warning .cta-title { color: #E9C46A; }

.cta-alert { border-color: #F4A261; }
.cta-alert .cta-title { color: #F4A261; }

.cta-danger { border-color: #E76F51; }
.cta-danger .cta-title { color: #E76F51; }

.cta-btn {
    display: inline-block;
    background: var(--text-main);
    color: white;
    padding: 12px 25px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    margin-top: 15px;
    transition: 0.3s;
}

.cta-btn:hover { 
    background: #000; 
}

/* Ações */
.action-buttons {
    display: flex;
    gap: 15px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.action-btn {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: 0.3s;
    min-width: 140px;
}

.action-btn.share { 
    background: #25D366; 
    color: white; 
}

.action-btn.share:hover { 
    background: #1ebc57; 
}

.action-btn.pdf { 
    background: #E74C3C; 
    color: white; 
}

.action-btn.pdf:hover { 
    background: #c0392b; 
}

/* Ferramentas Relacionadas */
.related-tools-section {
    margin-top: 40px;
    text-align: center;
    width: 100%;
    max-width: 700px;
    padding: 0 20px;
}

.related-tools-section h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--text-main);
}

.tools-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.tool-card {
    background: white;
    padding: 20px;
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-main);
    border: 1px solid #e2e8f0;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.tool-card:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.tool-card .icon { 
    font-size: 2rem; 
    margin-bottom: 10px; 
}

.tool-card .label { 
    font-weight: 700; 
    font-size: 1rem; 
}

.tool-card .desc { 
    font-size: 0.8rem; 
    color: var(--text-light); 
}

/* Footer */
footer {
    text-align: center;
    margin-top: 60px;
    padding: 20px;
    border-top: 1px solid #eee;
    color: var(--text-light);
    font-size: 0.9rem;
    width: 100%;
    background: white;
}

.footer-nav { 
    margin-bottom: 10px; 
}

.footer-nav a {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 500;
}

.footer-nav .separator { 
    margin: 0 10px; 
    color: #ddd; 
}

/* Animações */
@keyframes fadeIn { 
    from { opacity: 0; } 
    to { opacity: 1; } 
}

@keyframes slideUp { 
    from { opacity: 0; transform: translateY(20px); } 
    to { opacity: 1; transform: translateY(0); } 
}

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

/* RESPONSIVIDADE */
@media (max-width: 768px) {
    .calculator-header,
    .calculator-body,
    .result-section,
    .related-tools-section {
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .mode-options { 
        grid-template-columns: 1fr; 
    }
    
    .age-inputs-row { 
        grid-template-columns: 1fr; 
    }
    
    .tools-grid { 
        grid-template-columns: 1fr; 
    }
    
    .result-header { 
        flex-direction: column; 
        text-align: center; 
    }
    
    .ideal-weight-box { 
        padding: 20px 15px; 
    }
    
    .weight-value { 
        font-size: 1.6rem; 
    }
    
    .current-vs-ideal { 
        flex-direction: column; 
        gap: 10px; 
    }
    
    .percentile-value { 
        font-size: 2.5rem; 
    }
    
    .zone { 
        font-size: 0.6rem; 
    }
    
    /* Em mobile, permite scroll horizontal se o anúncio for muito grande */
    .ad-wrapper {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
}

/* Telas grandes */
@media (min-width: 1200px) {
    /* Anúncios podem expandir naturalmente */
}

.affiliate-link {
    color: #c0392b;
    font-weight: bold;
    text-decoration: underline;
}
/* Garantir que o link pareça e comporte como botão */
a.calculate-btn {
    display: flex;
    text-decoration: none;
    cursor: pointer;
    /* Herda todas as outras propriedades de .calculate-btn */
}

/* Prevenir outline azul padrão do link */
a.calculate-btn:focus {
    outline: none;
    box-shadow: 0 0 0 4px rgba(42, 157, 143, 0.3);
}

/* Garantir que o estado active funcione igual ao botão */
a.calculate-btn:active {
    transform: translateY(0);
}