/* Reset e configurações base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fafafa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header e Navegação */
.header {
    background: linear-gradient(135deg, #4ade80 0%, #22c55e 100%);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: bold;
    text-decoration: none;
    color: white;
}

.logo {
    height: 3rem;
    width: 3rem;
    border-radius: 50%;
    object-fit: cover;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem 0;
}

.nav-link:hover,
.nav-link.active {
    color: #fef3c7;
    border-bottom: 2px solid #fef3c7;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Main content spacing */
main {
    margin-top: 80px;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 50%, #bbf7d0 100%);
    padding: 6rem 0;
    text-align: center;
    border-radius: 2rem;
    margin: 2rem 0;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-logo {
    height: 8rem;
    width: 8rem;
    margin: 0 auto 2rem;
    border-radius: 50%;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    object-fit: cover;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: bold;
    color: #111827;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #6b7280;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.btn-outline {
    background: transparent;
    color: #22c55e;
    border: 2px solid #22c55e;
}

.btn-outline:hover {
    background: #22c55e;
    color: white;
}

/* Seções */
.section {
    padding: 4rem 0;
}

.section.bg-light {
    background-color: #f9fafb;
}

.section-title {
    font-size: 2.5rem;
    font-weight: bold;
    text-align: center;
    margin-bottom: 3rem;
    color: #111827;
}

/* Features Section */
.features {
    padding: 4rem 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 4rem;
    height: 4rem;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #111827;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* Research Content */
.research-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 2rem;
}

.research-info h3,
.research-abstract h3 {
    font-size: 1.5rem;
    color: #111827;
    margin-bottom: 1rem;
}

.research-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1d4ed8;
    margin-bottom: 2rem;
    line-height: 1.5;
}

.research-details {
    background: #f9fafb;
    padding: 1.5rem;
    border-radius: 0.5rem;
    border-left: 4px solid #22c55e;
}

.detail-item {
    margin-bottom: 0.75rem;
    line-height: 1.5;
}

.detail-item strong {
    color: #111827;
}

.research-abstract p {
    margin-bottom: 1rem;
    line-height: 1.7;
    text-align: justify;
}

/* Practices Section */
.practices-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    font-size: 1.1rem;
    line-height: 1.7;
    color: #6b7280;
}

.practices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.practice-card {
    background: white;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
}

.practice-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.practice-header {
    background: linear-gradient(135deg, #22c55e, #16a34a);
    color: white;
    padding: 1.5rem;
    text-align: center;
}

.practice-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.practice-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

.practice-content {
    padding: 1.5rem;
}

.practice-content h4 {
    color: #111827;
    font-size: 1.1rem;
    font-weight: 600;
    margin: 1.5rem 0 0.75rem 0;
}

.practice-content h4:first-child {
    margin-top: 0;
}

.practice-content ul {
    list-style: none;
    padding: 0;
}

.practice-content li {
    padding: 0.25rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: #6b7280;
}

.practice-content li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #22c55e;
    font-weight: bold;
}

/* Concept Matrix */
.concept-matrix {
    margin-top: 4rem;
    text-align: center;
}

.concept-matrix h3 {
    font-size: 1.75rem;
    color: #111827;
    margin-bottom: 2rem;
}

.matrix-image {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.responsive-image {
    max-width: 100%;
    height: auto;
    border-radius: 0.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.image-caption {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: #6b7280;
    font-style: italic;
    line-height: 1.5;
}

/* Technology Section */
.tech-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    font-size: 1.1rem;
    line-height: 1.7;
    color: #6b7280;
}

.tech-categories {
    display: grid;
    gap: 3rem;
}

.tech-category {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid #e5e7eb;
}

.tech-category h3 {
    color: #1d4ed8;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.tech-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.tech-content h4 {
    color: #111827;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.tech-content ul {
    list-style: none;
    padding: 0;
}

.tech-content li {
    padding: 0.25rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: #6b7280;
}

.tech-content li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: #1d4ed8;
    font-weight: bold;
}

/* Ethics Section */
.ethics-section {
    margin-top: 4rem;
}

.ethics-section h3 {
    font-size: 1.75rem;
    color: #111827;
    margin-bottom: 2rem;
    text-align: center;
}

.ethics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.ethics-card {
    background: #f9fafb;
    border-radius: 1rem;
    padding: 1.5rem;
    border-left: 4px solid #dc2626;
}

.ethics-card h4 {
    color: #dc2626;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.ethics-card ul {
    list-style: none;
    padding: 0;
}

.ethics-card li {
    padding: 0.25rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: #6b7280;
}

.ethics-card li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #dc2626;
    font-weight: bold;
}

/* Results Section */
.results-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    font-size: 1.1rem;
    line-height: 1.7;
    color: #6b7280;
}

.discoveries h3 {
    font-size: 1.75rem;
    color: #111827;
    margin-bottom: 2rem;
    text-align: center;
}

.discovery-highlight {
    margin-bottom: 3rem;
}

.discovery-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid #e5e7eb;
}

.discovery-card.paradox {
    border-left: 4px solid #dc2626;
    background: #fef2f2;
}

.discovery-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.discovery-header i {
    color: #dc2626;
    font-size: 1.5rem;
}

.discovery-header h4 {
    color: #dc2626;
    font-size: 1.5rem;
    font-weight: 600;
}

.discovery-content p {
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.paradox-details h5 {
    color: #111827;
    font-size: 1.1rem;
    margin: 1.5rem 0 0.75rem 0;
}

.paradox-details ul {
    list-style: none;
    padding: 0;
    margin-bottom: 1.5rem;
}

.paradox-details li {
    padding: 0.25rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: #6b7280;
}

.paradox-details li::before {
    content: "⚠";
    position: absolute;
    left: 0;
    color: #dc2626;
}

.paradox-chart {
    margin-top: 2rem;
    text-align: center;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.result-card {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid #e5e7eb;
}

.result-card.positive {
    border-left: 4px solid #22c55e;
}

.result-card.technology {
    border-left: 4px solid #3b82f6;
}

.result-card.implementation {
    border-left: 4px solid #8b5cf6;
}

.result-card h4 {
    color: #111827;
    font-size: 1.2rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.result-card ul {
    list-style: none;
    padding: 0;
}

.result-card li {
    padding: 0.25rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: #6b7280;
}

.result-card.positive li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #22c55e;
    font-weight: bold;
}

.result-card.technology li::before {
    content: "⚡";
    position: absolute;
    left: 0;
    color: #3b82f6;
}

.result-card.implementation li::before {
    content: "🏫";
    position: absolute;
    left: 0;
}

/* Statistics */
.statistics {
    margin-top: 4rem;
}

.statistics h3 {
    font-size: 1.75rem;
    color: #111827;
    margin-bottom: 2rem;
    text-align: center;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.stat-item {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid #e5e7eb;
}

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    color: #1d4ed8;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    font-weight: 600;
    color: #111827;
    margin-bottom: 0.5rem;
}

.stat-description {
    font-size: 0.9rem;
    color: #6b7280;
}

/* Mental Health Data */
.mental-health-data {
    margin-top: 4rem;
}

.mental-health-data h3 {
    font-size: 1.75rem;
    color: #111827;
    margin-bottom: 2rem;
    text-align: center;
}

.health-stats,
.health-table {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    margin-bottom: 2rem;
    text-align: center;
}

/* Implementation Section */
.implementation-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    font-size: 1.1rem;
    line-height: 1.7;
    color: #6b7280;
}

.respira-program {
    background: linear-gradient(135deg, #f0fdf4, #dcfce7);
    border-radius: 1rem;
    padding: 2rem;
    margin-bottom: 4rem;
    border: 1px solid #bbf7d0;
}

.respira-program h3 {
    color: #166534;
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.program-overview {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    margin-top: 1.5rem;
}

.program-description p {
    line-height: 1.7;
    color: #166534;
}

.program-features h4 {
    color: #166534;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.features-list {
    display: grid;
    gap: 0.75rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #166534;
}

.feature-item i {
    color: #22c55e;
}

/* Implementation Guidelines */
.implementation-guidelines {
    margin-top: 4rem;
}

.implementation-guidelines h3 {
    font-size: 1.75rem;
    color: #111827;
    margin-bottom: 2rem;
    text-align: center;
}

.guidelines-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.guideline-phase {
    background: white;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid #e5e7eb;
}

.phase-header {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.phase-number {
    background: rgba(255, 255, 255, 0.2);
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
}

.phase-header h4 {
    font-size: 1.2rem;
}

.phase-content {
    padding: 1.5rem;
}

.phase-content h5 {
    color: #111827;
    font-size: 1.1rem;
    margin: 1.5rem 0 0.75rem 0;
}

.phase-content h5:first-child {
    margin-top: 0;
}

.phase-content ul {
    list-style: none;
    padding: 0;
    margin-bottom: 1rem;
}

.phase-content li {
    padding: 0.25rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: #6b7280;
}

.phase-content li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: #3b82f6;
    font-weight: bold;
}

/* Special Considerations */
.special-considerations {
    margin-top: 4rem;
}

.special-considerations h3 {
    font-size: 1.75rem;
    color: #111827;
    margin-bottom: 2rem;
    text-align: center;
}

.considerations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.consideration-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid #e5e7eb;
}

.consideration-card.warning {
    border-left: 4px solid #dc2626;
    background: #fef2f2;
}

.consideration-card.inclusive {
    border-left: 4px solid #8b5cf6;
    background: #faf5ff;
}

.consideration-card h4 {
    color: #111827;
    font-size: 1.3rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.consideration-card.warning h4 {
    color: #dc2626;
}

.consideration-card.inclusive h4 {
    color: #8b5cf6;
}

.consideration-content p {
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.consideration-content h5 {
    color: #111827;
    font-size: 1.1rem;
    margin: 1.5rem 0 0.75rem 0;
}

.consideration-content ul {
    list-style: none;
    padding: 0;
    margin-bottom: 1.5rem;
}

.consideration-content li {
    padding: 0.25rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: #6b7280;
}

.consideration-card.warning li::before {
    content: "⚠";
    position: absolute;
    left: 0;
    color: #dc2626;
}

.consideration-card.inclusive li::before {
    content: "♿";
    position: absolute;
    left: 0;
    color: #8b5cf6;
}

/* Compassion Diagram */
.compassion-diagram {
    margin-top: 4rem;
}

.compassion-diagram h3 {
    font-size: 1.75rem;
    color: #111827;
    margin-bottom: 2rem;
    text-align: center;
}

.diagram-container {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    text-align: center;
}

/* Author Section */
.author-profile {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid #e5e7eb;
    margin-bottom: 3rem;
}

.author-header {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 2rem;
    align-items: center;
    margin-bottom: 2rem;
}

.author-photo {
    width: 8rem;
    height: 8rem;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.author-info h3 {
    color: #111827;
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.author-title {
    color: #3b82f6;
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.author-institution {
    color: #6b7280;
    margin-bottom: 1rem;
}

.author-contact {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #6b7280;
}

.contact-item i {
    color: #3b82f6;
}

.author-bio h4 {
    color: #111827;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.author-bio p {
    line-height: 1.7;
    color: #6b7280;
    margin-bottom: 2rem;
}

.author-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.author-interests h4,
.author-achievements h4 {
    color: #111827;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.interests-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.interest-tag {
    background: #eff6ff;
    color: #1d4ed8;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    border: 1px solid #bfdbfe;
}

.author-achievements ul {
    list-style: none;
    padding: 0;
}

.author-achievements li {
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #6b7280;
}

.author-achievements i {
    color: #f59e0b;
}

/* Advisory Team */
.advisory-team {
    margin-top: 3rem;
}

.advisory-team h3 {
    font-size: 1.75rem;
    color: #111827;
    margin-bottom: 2rem;
    text-align: center;
}

.advisors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.advisor-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid #e5e7eb;
    border-left: 4px solid #22c55e;
}

.advisor-card h4 {
    color: #22c55e;
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.advisor-role {
    color: #111827;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.advisor-institution {
    color: #6b7280;
    margin-bottom: 1rem;
}

.advisor-expertise {
    color: #3b82f6;
    font-weight: 500;
    margin-bottom: 1rem;
}

.advisor-description {
    color: #6b7280;
    line-height: 1.6;
}

/* PROFNIT Section */
.profnit-section {
    background: linear-gradient(135deg, #faf5ff, #f3e8ff);
    border-radius: 1rem;
    padding: 2rem;
    margin-top: 3rem;
    border: 1px solid #e9d5ff;
}

.profnit-section h3 {
    color: #8b5cf6;
    font-size: 1.75rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.profnit-section h4 {
    color: #7c3aed;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.profnit-section p {
    color: #7c3aed;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.profnit-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.profnit-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #7c3aed;
    background: rgba(255, 255, 255, 0.5);
    padding: 1rem;
    border-radius: 0.5rem;
}

.profnit-feature i {
    color: #8b5cf6;
}

/* Footer */
.footer {
    background: #111827;
    color: white;
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-main h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer-main p {
    color: #9ca3af;
    line-height: 1.6;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-contact .contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #9ca3af;
}

.footer-contact i {
    color: #22c55e;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 1rem;
    text-align: center;
    color: #9ca3af;
    font-size: 0.875rem;
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

.footer-bottom i {
    color: #ef4444;
}

/* Responsividade */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #22c55e;
        flex-direction: column;
        padding: 1rem;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .research-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .program-overview {
        grid-template-columns: 1fr;
    }
    
    .author-header {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .author-details {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .author-contact {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.5rem;
    }
    
    .hero {
        padding: 4rem 0;
        margin: 1rem 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-logo {
        height: 6rem;
        width: 6rem;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .features-grid,
    .practices-grid,
    .guidelines-grid,
    .advisors-grid {
        grid-template-columns: 1fr;
    }
    
    .considerations-grid {
        grid-template-columns: 1fr;
    }
}

/* Animações */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card,
.practice-card,
.result-card,
.advisor-card {
    animation: fadeInUp 0.6s ease-out;
}

/* Scroll suave para links internos */
html {
    scroll-padding-top: 100px;
}

/* Melhorias de acessibilidade */
.btn:focus,
.nav-link:focus {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .header,
    .nav-toggle,
    .hero-buttons,
    .footer {
        display: none;
    }
    
    main {
        margin-top: 0;
    }
    
    .section {
        page-break-inside: avoid;
    }
    
    .responsive-image {
        max-width: 100%;
        height: auto;
    }
}



/* Animação de Respiração para a Logo */
@keyframes breathe {
    0% { transform: scale(1); } /* Início da Expansão */
    21.05% { transform: scale(1.2); } /* Fim da Expansão (4s de 19s total) */
    57.89% { transform: scale(1.2); } /* Fim da Pausa (7s de 19s total) */
    100% { transform: scale(1); } /* Fim da Contração (8s de 19s total) */
}

.hero-logo {
    animation: breathe 19s infinite ease-in-out;
}