/* pages.css - Estilos específicos das páginas da prática Frequência
 * @version 1.0.0
 * @see docs/ARCHITECTURE-GUIDE.md
 *
 * Este arquivo contém estilos ESPECÍFICOS desta prática.
 * Estilos REUTILIZÁVEIS entre práticas ficam em /core/css/
 */

/* =====================================================
   SVG ICON BASE (replaces Font Awesome)
   ===================================================== */

.icon {
    display: inline-block;
    width: 1em;
    height: 1em;
    fill: currentColor;
    vertical-align: -0.125em;
    flex-shrink: 0;
}

/* =====================================================
   FEATURED QUOTE (citação com ícone)
   ===================================================== */

.featured-quote {
    background: var(--som-bg-alt, #f8f9fa);
    border-radius: var(--radius);
    padding: var(--space-6);
    margin-bottom: var(--space-8);
    text-align: center;
}

.quote-icon {
    width: 40px;
    height: 40px;
    color: var(--som-accent, var(--pratica-accent));
    opacity: 0.4;
    margin-bottom: var(--space-4);
}

.featured-quote p {
    font-family: var(--font-titulos);
    font-size: var(--font-size-lg);
    font-weight: 500;
    font-style: italic;
    color: var(--som-text);
    line-height: var(--line-height-relaxed);
    margin: 0 0 var(--space-4);
}

.featured-quote cite {
    font-family: var(--font-titulos);
    font-size: var(--font-size-sm);
    font-style: normal;
    color: var(--som-accent, var(--pratica-accent));
    font-weight: 600;
}

/* =====================================================
   ALTERNATING BLOCKS (blocos alternados numerados)
   ===================================================== */

.alternating-blocks {
    margin: var(--space-8) 0;
}

.alternating-blocks .alt-block {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-bottom: var(--space-5);
    background: var(--som-bg-alt, #f8f9fa);
    border-radius: var(--radius);
    padding: var(--space-5);
    align-items: center;
    text-align: center;
}

.alt-title {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
}

.alt-number {
    width: 48px;
    height: 48px;
    background: var(--som-accent, var(--pratica-accent));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-titulos);
    font-size: var(--font-size-base);
    font-weight: 700;
}

.alt-title h3 {
    font-family: var(--font-titulos);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--som-text);
    margin: 0;
    text-align: center;
}

.alt-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.alt-text p {
    margin: 0 0 var(--space-3);
    line-height: var(--line-height-loose, 1.8);
    color: var(--som-text);
}

.alt-text p:last-child {
    margin-bottom: 0;
}

/* =====================================================
   PATHWAY CARDS (4 Caminhos do Som)
   ===================================================== */

.pathway-card {
    background: var(--som-bg, #fff);
    border: 1px solid var(--som-border, #e0e0e0);
    border-radius: var(--radius);
    padding: var(--space-5);
    display: flex;
    flex-direction: column;
    transition: border-color var(--transition-fast),
                box-shadow var(--transition-fast);
}

.pathway-card:hover {
    border-color: var(--som-accent, var(--pratica-accent));
    box-shadow: var(--shadow-md);
}

.pathway-header {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.pathway-icon {
    width: 48px;
    height: 48px;
    color: var(--som-accent, var(--pratica-accent));
    flex-shrink: 0;
}

.pathway-title {
    flex: 1;
}

.pathway-title h3 {
    font-family: var(--font-titulos);
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--som-text);
    margin: 0 0 var(--space-1);
}

.pathway-via {
    font-family: var(--font-titulos);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--som-accent, var(--pratica-accent));
}

.pathway-desc {
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
    color: var(--som-text);
    margin-bottom: var(--space-5);
    flex: 1;
}

.pathway-attrs {
    border-top: 1px solid var(--som-border, #e0e0e0);
    padding-top: var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.pathway-attr {
    display: flex;
    gap: var(--space-3);
    align-items: baseline;
}

.attr-label {
    font-family: var(--font-titulos);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--som-accent, var(--pratica-accent));
    flex: 0 0 70px;
}

.attr-value {
    font-size: var(--font-size-sm);
    color: var(--som-text-light);
    line-height: var(--line-height-snug);
}

/* =====================================================
   COMPARISON TABLE (Modalidade de Uso)
   ===================================================== */

.comparison-intro {
    margin-bottom: var(--space-8);
}

.comparison-intro p {
    margin-bottom: var(--space-4);
    line-height: var(--line-height-loose, 1.8);
    color: var(--som-text);
}

.comparison-intro p:last-child {
    margin-bottom: 0;
}

.comparison-table {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    margin: var(--space-8) 0;
}

.comparison-table .col-header {
    background: var(--som-bg-alt, #f8f9fa);
    border-radius: var(--radius) var(--radius) 0 0;
    border-top: 4px solid var(--som-accent, var(--pratica-accent));
    padding: var(--space-6) var(--space-5) var(--space-4);
    text-align: center;
}

.comparison-table .col-header h2 {
    font-family: var(--font-titulos);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--som-text);
    margin: var(--space-3) 0 var(--space-2);
}

.comparison-icon {
    font-size: 2rem;
    color: var(--som-accent, var(--pratica-accent));
}

.comparison-tagline {
    font-size: var(--font-size-sm);
    font-style: italic;
    color: var(--som-text-light);
    margin: 0;
}

.comparison-protocols {
    display: flex;
    align-items: baseline;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.protocols-label {
    font-family: var(--font-titulos);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--som-accent, var(--pratica-accent));
}

.protocols-list {
    font-size: var(--font-size-sm);
    color: var(--som-text);
}

.comparison-table .col-item {
    background: var(--som-bg-alt, #f8f9fa);
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--som-border, #e0e0e0);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.comparison-table .col-item:last-of-type {
    border-bottom: none;
}

.comparison-table .col-item h3 {
    font-family: var(--font-titulos);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--som-accent, var(--pratica-accent));
    margin: 0;
}

.comparison-table .col-item p {
    margin: 0;
    line-height: var(--line-height-loose, 1.8);
    color: var(--som-text);
    font-size: var(--font-size-sm);
}

.comparison-table .col-footer {
    background: var(--som-bg-alt, #f8f9fa);
    border-radius: 0 0 var(--radius) var(--radius);
    padding: var(--space-4) var(--space-5) var(--space-5);
    border-top: 1px solid var(--som-border, #e0e0e0);
}

/* =====================================================
   LISTAS ESTILIZADAS
   ===================================================== */

.check-list,
.arrow-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.check-list li,
.arrow-list li {
    position: relative;
    padding-left: var(--space-6);
    margin-bottom: var(--space-3);
    line-height: var(--line-height-relaxed);
}

.check-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--som-accent, var(--pratica-accent));
    font-weight: 700;
}

.arrow-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--som-accent, var(--pratica-accent));
    font-weight: 700;
}

/* =====================================================
   RESPONSIVE
   ===================================================== */

@media (min-width: 768px) {
    .alternating-blocks .alt-block {
        flex-direction: row;
        text-align: left;
        gap: 0;
        padding: var(--space-6);
    }

    .alternating-blocks .alt-block.alt-reverse {
        flex-direction: row-reverse;
    }

    .alternating-blocks .alt-block.alt-reverse .alt-title {
        border-right: none;
        border-left: 1px solid var(--som-border);
        padding-right: 0;
        padding-left: var(--space-6);
    }

    .alternating-blocks .alt-block.alt-reverse .alt-text {
        padding-left: 0;
        padding-right: var(--space-6);
    }

    .alt-title {
        flex: 0 0 30%;
        min-width: 120px;
        padding-right: var(--space-6);
        border-right: 1px solid var(--som-border);
    }

    .alt-title h3 {
        text-align: center;
    }

    .alt-text {
        flex: 0 0 70%;
        padding-left: var(--space-6);
        justify-content: center;
    }

    .alt-number {
        width: 56px;
        height: 56px;
        font-size: var(--font-size-md);
    }

    .featured-quote {
        padding: var(--space-8);
    }

    .featured-quote p {
        font-size: var(--font-size-xl);
    }

    .pathway-card {
        padding: var(--space-6);
    }

    /* Comparison table em 2 colunas no tablet */
    .comparison-table {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 0 var(--space-8);
    }

    .comparison-table .col-header {
        padding: var(--space-8) var(--space-8) var(--space-6);
    }

    .comparison-table .col-header h2 {
        font-size: var(--font-size-2xl);
    }

    .comparison-table .col-item {
        flex-direction: row;
        gap: var(--space-4);
        align-items: flex-start;
        padding: var(--space-5) var(--space-8);
    }

    .comparison-table .col-item h3 {
        flex: 0 0 85px;
        padding-top: 3px;
    }

    .comparison-table .col-item p {
        flex: 1;
    }

    .comparison-table .col-footer {
        padding: var(--space-5) var(--space-8) var(--space-6);
    }

    .comparison-icon {
        font-size: 2.5rem;
    }

    /* Protocols labels */
    .protocols-label {
        font-family: var(--font-titulos);
        font-size: var(--font-size-xs);
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        color: var(--som-accent, var(--pratica-accent));
    }

    .protocols-list {
        font-size: var(--font-size-sm);
        color: var(--som-text);
    }
}

@media (min-width: 1024px) {
    .alt-title {
        flex: 0 0 25%;
    }

    .alt-text {
        flex: 0 0 75%;
    }

    .alt-number {
        width: 56px;
        height: 56px;
        font-size: var(--font-size-lg);
    }

    .pathway-card {
        padding: var(--space-8);
    }

    .comparison-table .col-header h2 {
        font-size: var(--font-size-2xl);
    }

    .comparison-icon {
        font-size: 2.5rem;
    }
}

/* =====================================================
   RESPONSIVE - TV / Large Screens (1920px+)
   ===================================================== */
@media (min-width: 1920px) {
    .featured-quote p {
        font-size: var(--font-size-2xl);
    }

    .pathway-card {
        padding: var(--space-8);
    }

    .pathway-title h3 {
        font-size: var(--font-size-xl);
    }

    .pathway-icon {
        width: 64px;
        height: 64px;
    }

    .alt-number {
        width: 64px;
        height: 64px;
        font-size: var(--font-size-lg);
    }

    .alt-block {
        padding: var(--space-8);
    }

    .comparison-table .col-header {
        padding: var(--space-10);
    }

    .comparison-table .col-item {
        padding: var(--space-6) var(--space-10);
        min-height: 60px;
    }
}

/* =====================================================
   TOUCH DEVICES
   ===================================================== */
@media (hover: none) and (pointer: coarse) {
    .pathway-card:hover {
        border-color: var(--som-border, #e0e0e0);
        box-shadow: none;
    }

    .pathway-card:active {
        border-color: var(--som-accent, var(--pratica-accent));
        box-shadow: var(--shadow-md);
    }
}

/* =====================================================
   DARK MODE
   ===================================================== */
@media (prefers-color-scheme: dark) {
    .comparison-table .col-header,
    .comparison-table .col-item,
    .comparison-table .col-footer {
        background: var(--som-bg-alt);
    }

    .comparison-table .col-item {
        border-bottom-color: var(--som-border);
    }

    .comparison-table .col-footer {
        border-top-color: var(--som-border);
    }

    .alternating-blocks .alt-block {
        background: var(--som-bg-alt);
    }

    .featured-quote {
        background: var(--som-bg-alt);
    }

    .pathway-card {
        background: var(--som-bg);
        border-color: var(--som-border);
    }
}

/* =====================================================
   REDUCED MOTION
   ===================================================== */
@media (prefers-reduced-motion: reduce) {
    .pathway-card {
        transition: none;
    }
}

/* =====================================================
   HIGH CONTRAST
   ===================================================== */
@media (prefers-contrast: high) {
    .pathway-card {
        border-width: 2px;
    }

    .comparison-table .col-header {
        border-top-width: 6px;
    }

    .comparison-table .col-item {
        border-bottom-width: 2px;
    }
}

/* =====================================================
   PÁGINA DE PROTOCOLOS
   ===================================================== */

/* Introdução */
.protocols-intro {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    margin-bottom: var(--space-10);
}

.protocols-intro-text h2 {
    font-family: var(--font-titulos);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--som-text);
    margin: 0 0 var(--space-4);
}

.protocols-intro-text p {
    margin: 0 0 var(--space-3);
    line-height: var(--line-height-relaxed);
}

.protocols-intro-list {
    background: var(--som-bg-alt);
    border-radius: var(--radius);
    padding: var(--space-5);
}

.protocols-intro-list h3 {
    font-family: var(--font-titulos);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--som-accent);
    margin: 0 0 var(--space-3);
}

.protocols-intro-list ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.protocols-intro-list li {
    position: relative;
    padding-left: var(--space-5);
    font-size: var(--font-size-sm);
    color: var(--som-text);
    min-height: var(--touch-target-min);
    display: flex;
    align-items: center;
}

.protocols-intro-list li::before {
    content: '';
    position: absolute;
    left: 0;
    width: 6px;
    height: 6px;
    background: var(--som-accent);
    border-radius: 50%;
}

/* Partes/Seções de Protocolos */
.protocol-part {
    margin-bottom: var(--space-8);
    border-radius: var(--radius);
    overflow: hidden;
}

.protocol-part-header {
    padding: var(--space-4) var(--space-5);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3);
}

.protocol-part-icon {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    padding-right: var(--space-3);
    border-right: 1px solid currentColor;
    opacity: 0.6;
}

.protocol-part-header h2 {
    font-family: var(--font-titulos);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin: 0;
    flex: 1;
    min-width: 150px;
}

.protocol-part-header .part-label {
    font-family: var(--font-titulos);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

/* Cores por parte */
.protocol-part--science .protocol-part-header {
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
}
.protocol-part--science .protocol-part-icon {
    color: #2e7d32;
}
.protocol-part--science .part-label {
    background: #2e7d32;
    color: #fff;
}

.protocol-part--clinical .protocol-part-header {
    background: linear-gradient(135deg, #fff8e1 0%, #ffecb3 100%);
}
.protocol-part--clinical .protocol-part-icon {
    color: #f57c00;
}
.protocol-part--clinical .part-label {
    background: #f57c00;
    color: #fff;
}

.protocol-part--alternative .protocol-part-header {
    background: linear-gradient(135deg, #f3e5f5 0%, #e1bee7 100%);
}
.protocol-part--alternative .protocol-part-icon {
    color: #7b1fa2;
}
.protocol-part--alternative .part-label {
    background: #7b1fa2;
    color: #fff;
}

/* Grid de grupos dentro da parte */
.protocol-part-groups {
    background: var(--som-bg-alt);
    padding: var(--space-5);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.protocol-group-card {
    background: var(--som-bg);
    border: 1px solid var(--som-border);
    border-radius: var(--radius);
    padding: var(--space-5);
    display: flex;
    flex-direction: column;
    transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.protocol-group-card h3 {
    font-family: var(--font-titulos);
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--som-text);
    margin: 0 0 var(--space-2);
}

.protocol-group-card p {
    font-size: var(--font-size-sm);
    color: var(--som-text-light);
    margin: 0 0 var(--space-4);
    flex: 1;
    line-height: var(--line-height-normal);
}

.protocol-group-card .btn {
    align-self: flex-start;
}

/* Nota de rodapé */
.protocols-note {
    background: var(--som-bg-alt);
    border: 2px solid var(--som-accent);
    border-radius: var(--radius);
    padding: var(--space-5);
    margin-top: var(--space-8);
}

.protocols-note p {
    margin: 0;
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
    color: var(--som-text);
}

/* Estrutura de Organização */
.structure-section {
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: var(--space-6);
}

.structure-section-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-3);
    padding: var(--space-5);
}

.structure-section-header i {
    font-size: var(--font-size-2xl);
    flex-shrink: 0;
}

.structure-section-header > div {
    flex: 1;
}

.structure-section-part {
    display: block;
    font-family: var(--font-titulos);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-1);
}

.structure-section-header h3 {
    font-family: var(--font-titulos);
    font-size: var(--font-size-base);
    font-weight: 700;
    margin: 0;
}

.structure-list {
    padding: var(--space-5);
    background: var(--som-bg-alt);
}

.structure-intro {
    font-size: var(--font-size-sm);
    color: var(--som-text-light);
    margin: 0 0 var(--space-4);
    font-style: italic;
}

.structure-list ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.structure-list li {
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--som-border);
}

.structure-list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.structure-list li strong {
    display: block;
    font-family: var(--font-titulos);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--som-text);
    margin-bottom: var(--space-1);
}

.structure-list li p {
    margin: 0;
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
    color: var(--som-text-light);
}

/* Structure Section - Science (Verde) */
.structure-section--science .structure-section-header {
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
}
.structure-section--science .structure-section-header i {
    color: #2e7d32;
}
.structure-section--science .structure-section-part {
    color: #2e7d32;
}
.structure-section--science .structure-section-header h3 {
    color: #1b5e20;
}

/* Structure Section - Clinical (Amarelo/Laranja) */
.structure-section--clinical .structure-section-header {
    background: linear-gradient(135deg, #fff8e1 0%, #ffecb3 100%);
}
.structure-section--clinical .structure-section-header i {
    color: #f57c00;
}
.structure-section--clinical .structure-section-part {
    color: #f57c00;
}
.structure-section--clinical .structure-section-header h3 {
    color: #e65100;
}

/* Structure Section - Alternative (Roxo) */
.structure-section--alternative .structure-section-header {
    background: linear-gradient(135deg, #f3e5f5 0%, #e1bee7 100%);
}
.structure-section--alternative .structure-section-header i {
    color: #7b1fa2;
}
.structure-section--alternative .structure-section-part {
    color: #7b1fa2;
}
.structure-section--alternative .structure-section-header h3 {
    color: #6a1b9a;
}

/* =====================================================
   PROTOCOLOS - RESPONSIVE (768px+)
   ===================================================== */
@media (min-width: 768px) {
    .protocols-intro {
        display: grid;
        grid-template-columns: 1fr 1.2fr;
        gap: var(--space-10);
    }

    .protocols-intro-list {
        padding: var(--space-6);
    }

    .protocols-intro-list ul {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--space-2) var(--space-6);
    }

    .protocol-part-header {
        padding: var(--space-5) var(--space-6);
        flex-wrap: nowrap;
    }

    .protocol-part-header h2 {
        font-size: var(--font-size-base);
    }

    .protocol-part-groups {
        padding: var(--space-6);
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-5);
    }

    .structure-section-header {
        flex-direction: row;
        text-align: left;
        gap: var(--space-4);
        padding: var(--space-5) var(--space-6);
    }

    .structure-section-header h3 {
        font-size: var(--font-size-md);
    }

    .structure-list {
        padding: var(--space-6);
    }
}

/* =====================================================
   PROTOCOLOS - RESPONSIVE (1024px+)
   ===================================================== */
@media (min-width: 1024px) {
    .protocol-part-groups {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* =====================================================
   PROTOCOLOS - DARK MODE
   ===================================================== */
@media (prefers-color-scheme: dark) {
    .protocol-part--science .protocol-part-header {
        background: linear-gradient(135deg, rgba(46, 125, 50, 0.2) 0%, rgba(46, 125, 50, 0.1) 100%);
    }
    .protocol-part--science .protocol-part-icon,
    .protocol-part--science .part-label {
        color: #81c784;
    }
    .protocol-part--science .part-label {
        background: #2e7d32;
        color: #fff;
    }

    .protocol-part--clinical .protocol-part-header {
        background: linear-gradient(135deg, rgba(245, 124, 0, 0.2) 0%, rgba(245, 124, 0, 0.1) 100%);
    }
    .protocol-part--clinical .protocol-part-icon {
        color: #ffb74d;
    }

    .protocol-part--alternative .protocol-part-header {
        background: linear-gradient(135deg, rgba(123, 31, 162, 0.2) 0%, rgba(123, 31, 162, 0.1) 100%);
    }
    .protocol-part--alternative .protocol-part-icon {
        color: #ce93d8;
    }

    .structure-section--science .structure-section-header {
        background: linear-gradient(135deg, rgba(46, 125, 50, 0.2) 0%, rgba(46, 125, 50, 0.1) 100%);
    }
    .structure-section--science .structure-section-header i,
    .structure-section--science .structure-section-part {
        color: #81c784;
    }
    .structure-section--science .structure-section-header h3 {
        color: #a5d6a7;
    }

    .structure-section--clinical .structure-section-header {
        background: linear-gradient(135deg, rgba(245, 124, 0, 0.2) 0%, rgba(245, 124, 0, 0.1) 100%);
    }
    .structure-section--clinical .structure-section-header i,
    .structure-section--clinical .structure-section-part {
        color: #ffb74d;
    }
    .structure-section--clinical .structure-section-header h3 {
        color: #ffcc80;
    }

    .structure-section--alternative .structure-section-header {
        background: linear-gradient(135deg, rgba(123, 31, 162, 0.2) 0%, rgba(123, 31, 162, 0.1) 100%);
    }
    .structure-section--alternative .structure-section-header i,
    .structure-section--alternative .structure-section-part {
        color: #ce93d8;
    }
    .structure-section--alternative .structure-section-header h3 {
        color: #e1bee7;
    }
}

/* =====================================================
   HERO BLOCK (praticas/frequencia/index.html)
   ===================================================== */

.hero-block {
    position: absolute;
    transition: opacity 1s ease;
}

.hero-block.hidden {
    opacity: 0;
    pointer-events: none;
}

.hero-block.visible {
    opacity: 1;
}

.hero-block p {
    font-family: var(--font-titulos);
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--som-text);
    line-height: var(--line-height-snug);
    margin: 0;
}

/* =====================================================
   PAGE HEADER WITH BADGE (protocolos)
   ===================================================== */

.page-header-with-badge {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.page-header-with-badge h1 {
    font-family: var(--font-titulos);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--som-text);
    margin: 0 0 var(--space-2);
}

.page-header-with-badge .page-subtitle {
    font-size: var(--font-size-base);
    color: var(--som-text-light);
    margin: 0;
}

/* =====================================================
   PROTOCOL BADGE
   ===================================================== */

.protocol-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-family: var(--font-titulos);
    font-size: var(--font-size-xs);
    font-weight: 600;
    white-space: nowrap;
    align-self: flex-start;
}

.protocol-badge .icon {
    width: var(--font-size-base);
    height: var(--font-size-base);
}

.protocol-badge--science {
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    color: #2e7d32;
}

.protocol-badge--clinical {
    background: linear-gradient(135deg, #fff8e1 0%, #ffecb3 100%);
    color: #f57c00;
}

.protocol-badge--alternative {
    background: linear-gradient(135deg, #f3e5f5 0%, #e1bee7 100%);
    color: #7b1fa2;
}

/* =====================================================
   PROTOCOL TABLE
   ===================================================== */

.table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: var(--space-6) 0;
    border-radius: var(--radius);
    border: 1px solid var(--som-border);
}

.protocol-table {
    width: 100%;
    min-width: 500px;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
    background: var(--som-bg);
}

.protocol-table th,
.protocol-table td {
    padding: var(--space-3);
    text-align: left;
    border-bottom: 1px solid var(--som-border);
}

.protocol-table td:nth-child(2) {
    white-space: nowrap;
}

.protocol-table th {
    background: var(--som-bg-alt);
    font-family: var(--font-titulos);
    font-weight: 600;
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--som-text);
    position: sticky;
    top: 0;
}

.protocol-table tbody tr {
    transition: background var(--transition-fast);
}

.protocol-table tbody tr:nth-child(even) {
    background: rgba(0, 0, 0, 0.02);
}

.protocol-table tbody tr:last-child td {
    border-bottom: none;
}

.protocol-table td {
    color: var(--som-text);
    line-height: var(--line-height-normal);
}

.protocol-table td:first-child {
    font-weight: 600;
}

.protocol-table td strong {
    color: var(--som-accent);
    font-weight: 600;
}

.protocol-table td:nth-child(2) {
    font-family: var(--font-titulos);
    font-weight: 600;
    color: var(--som-accent);
}

/* =====================================================
   INTRO HIGHLIGHT (constantes)
   ===================================================== */

.intro-highlight {
    background: linear-gradient(135deg, rgba(39, 174, 96, 0.08) 0%, rgba(39, 174, 96, 0.04) 100%);
    border: 1px solid rgba(39, 174, 96, 0.2);
    border-radius: var(--radius);
    padding: var(--space-5);
    margin-bottom: var(--space-8);
}

.intro-highlight p {
    font-size: var(--font-size-base);
    line-height: var(--line-height-loose);
    color: var(--som-text);
    margin: 0;
}

.intro-highlight p strong {
    color: var(--som-accent);
}

/* =====================================================
   PAGINA DE ESTUDOS
   ===================================================== */

.studies-nav {
    display: flex;
    flex-wrap: nowrap;
    gap: var(--space-2);
    margin: var(--space-6) 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: var(--space-2);
}

.studies-nav-item {
    display: inline-flex;
    align-items: center;
    min-height: var(--touch-target-min);
    padding: var(--space-2) var(--space-4);
    background: var(--som-bg-alt);
    border: 1px solid var(--som-border);
    border-radius: var(--radius-full);
    font-family: var(--font-titulos);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--som-text);
    white-space: nowrap;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.study-section {
    margin-bottom: var(--space-10);
}

.study-section-header {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-5);
    background: var(--som-bg-alt);
    border-radius: var(--radius);
    margin-bottom: var(--space-6);
}

.study-section-header i {
    font-size: var(--font-size-2xl);
    color: var(--som-accent);
    flex-shrink: 0;
}

.study-section-number {
    display: block;
    font-family: var(--font-titulos);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--som-accent);
    margin-bottom: var(--space-1);
}

.study-section-header h2 {
    font-family: var(--font-titulos);
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--som-text);
    margin: 0 0 var(--space-1);
}

.study-section-subtitle {
    font-style: italic;
    font-size: var(--font-size-sm);
    color: var(--som-text-light);
    margin: 0;
}

.study-item {
    padding: var(--space-5) 0;
    border-bottom: 1px solid var(--som-border);
}

.study-item:last-child {
    border-bottom: none;
}

.study-item h3 {
    font-family: var(--font-titulos);
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--som-accent);
    margin: 0 0 var(--space-2);
}

.study-source {
    font-size: var(--font-size-sm);
    color: var(--som-text-light);
    margin: 0 0 var(--space-3);
}

.study-item p {
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
    color: var(--som-text);
    margin: 0;
}

.study-item p:not(:last-child) {
    margin-bottom: var(--space-3);
}

/* =====================================================
   PAGINA SUPORTE
   ===================================================== */

.support-cards {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-bottom: var(--space-10);
}

.support-card-link {
    text-decoration: none;
    color: inherit;
}

.support-card {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-5);
    background: var(--som-bg);
    border: 1px solid var(--som-border);
    border-radius: var(--radius);
    min-height: var(--touch-target-recommended);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.support-card-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--som-bg-alt);
    border-radius: 50%;
    color: var(--som-accent);
    font-size: var(--font-size-lg);
    transition: background var(--transition-fast), color var(--transition-fast);
}

.support-card-content {
    flex: 1;
    min-width: 0;
}

.support-card-content h3 {
    font-family: var(--font-titulos);
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--space-1);
    color: var(--som-text);
}

.support-card-content p {
    font-size: var(--font-size-sm);
    color: var(--som-text-light);
    margin: 0;
    line-height: var(--line-height-normal);
}

.support-card-arrow {
    flex-shrink: 0;
    color: var(--som-text-light);
    font-size: var(--font-size-sm);
    transition: transform var(--transition-fast), color var(--transition-fast);
}

/* =====================================================
   EXTRAS - Responsive Tablet (768px+)
   ===================================================== */
@media (min-width: 768px) {
    .page-header-with-badge {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-start;
    }

    .page-header-with-badge h1 {
        font-size: var(--font-size-2xl);
    }

    .protocol-badge {
        align-self: flex-start;
    }

    .studies-nav {
        flex-wrap: wrap;
        justify-content: center;
        overflow-x: visible;
    }

    .study-section-header {
        flex-direction: row;
        align-items: flex-start;
        gap: var(--space-5);
        padding: var(--space-6);
    }

    .study-section-header h2 {
        font-size: var(--font-size-xl);
    }

    .intro-highlight {
        padding: var(--space-6) var(--space-8);
    }

    .intro-highlight p {
        font-size: var(--font-size-md);
    }
}

/* =====================================================
   EXTRAS - Responsive Desktop (1024px+)
   ===================================================== */
@media (min-width: 1024px) {
    .support-card-icon {
        width: 56px;
        height: 56px;
        font-size: var(--font-size-xl);
    }
}

/* =====================================================
   EXTRAS - Responsive TV (1920px+)
   ===================================================== */
@media (min-width: 1920px) {
    .protocols-intro-text h2 {
        font-size: var(--font-size-xl);
    }

    .page-header-with-badge h1 {
        font-size: var(--font-size-3xl);
    }

    .study-section-header h2 {
        font-size: var(--font-size-2xl);
    }

    .support-card-icon {
        width: 64px;
        height: 64px;
    }

    .protocol-group-card:focus-visible,
    .support-card:focus-visible,
    .studies-nav-item:focus-visible {
        outline: 4px solid var(--som-accent);
        outline-offset: 4px;
    }
}

/* =====================================================
   EXTRAS - Touch Devices
   ===================================================== */
@media (hover: none) and (pointer: coarse) {
    .protocol-group-card:hover {
        transform: none;
    }

    .support-card:hover {
        box-shadow: none;
    }

    .studies-nav-item:hover {
        background: var(--som-bg-alt);
        color: var(--som-text);
    }

    .protocol-group-card:active {
        transform: scale(0.99);
        border-color: var(--som-accent);
    }

    .support-card:active {
        border-color: var(--som-accent);
    }

    .support-card:active .support-card-icon {
        background: var(--som-accent);
        color: white;
    }

    .studies-nav-item:active {
        background: var(--som-accent);
        color: #fff;
    }
}

/* =====================================================
   EXTRAS - Dark Mode
   ===================================================== */
@media (prefers-color-scheme: dark) {
    .protocol-badge--science {
        background: linear-gradient(135deg, rgba(46, 125, 50, 0.3) 0%, rgba(46, 125, 50, 0.2) 100%);
        color: #81c784;
    }

    .protocol-badge--clinical {
        background: linear-gradient(135deg, rgba(245, 124, 0, 0.3) 0%, rgba(245, 124, 0, 0.2) 100%);
        color: #ffb74d;
    }

    .protocol-badge--alternative {
        background: linear-gradient(135deg, rgba(123, 31, 162, 0.3) 0%, rgba(123, 31, 162, 0.2) 100%);
        color: #ce93d8;
    }

    .protocol-table th {
        background: var(--som-bg-alt);
    }

    .protocol-table tbody tr:nth-child(even) {
        background: rgba(255, 255, 255, 0.02);
    }

    .protocol-table tbody tr:hover {
        background: rgba(232, 147, 122, 0.1);
    }

    .intro-highlight {
        background: linear-gradient(135deg, rgba(39, 174, 96, 0.15) 0%, rgba(39, 174, 96, 0.08) 100%);
        border-color: rgba(39, 174, 96, 0.3);
    }
}

/* =====================================================
   EXTRAS - Reduced Motion
   ===================================================== */
@media (prefers-reduced-motion: reduce) {
    .protocol-group-card,
    .support-card,
    .support-card-icon,
    .support-card-arrow,
    .studies-nav-item,
    .protocol-table tbody tr {
        transition: none;
    }

    .protocol-group-card:hover {
        transform: none;
    }

    .support-card:hover .support-card-arrow {
        transform: none;
    }
}

/* =====================================================
   EXTRAS - High Contrast
   ===================================================== */
@media (prefers-contrast: high) {
    .protocol-group-card,
    .support-card,
    .protocols-note,
    .intro-highlight {
        border-width: 2px;
    }

    .protocol-part-header .part-label,
    .protocol-badge {
        border: 2px solid currentColor;
    }

    .studies-nav-item {
        border-width: 2px;
    }

    .protocol-table th,
    .protocol-table td {
        border-width: 2px;
    }
}

/* =====================================================
   EXTRAS - iOS Safe Area
   ===================================================== */
@supports (padding: env(safe-area-inset-bottom)) {
    .support-cards:last-child {
        padding-bottom: env(safe-area-inset-bottom);
    }
}