/* ============================================
   PERCEPTUAL EXPERTISE - Research Page
   Color scheme: Teal/Dark Teal
   ============================================ */

:root {
    --cream: #F1DDC4;
    --rust: #75352D;
    --dark-burgundy: #3A1213;
    --soft-blue: #92A4D2;
    --teal: #2D6A6A;
    --dark-teal: #1a4040;
}

/* Override global main constraints for full-width sections */
main {
    max-width: none;
    padding: 0;
    margin-top: 0;
}

/* ============================================
   HERO SECTION
   ============================================ */

.study-hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--teal) 0%, var(--dark-teal) 50%, #0f2828 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 6rem 2rem 3rem;
    position: relative;
    text-align: center;
}

.back-link {
    position: absolute;
    top: 5.5rem;
    left: 2rem;
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.back-link:hover {
    color: white;
    background: rgba(255, 255, 255, 0.2);
}

.hero-content {
    max-width: 900px;
}

.hero-eyebrow {
    color: var(--cream);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 1.5rem;
}

.study-hero h1 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 4rem;
    font-weight: 700;
    color: white;
    line-height: 1.15;
    margin-bottom: 1rem;
}

.study-hero h1 .highlight {
    color: white;
    background: rgba(241, 221, 196, 0.25);
    padding: 0.05em 0.25em;
    border-radius: 4px;
}

.hero-subtitle {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.6rem;
    color: rgba(255, 255, 255, 0.85);
    font-style: italic;
    font-weight: 400;
    margin-bottom: 3rem;
}

.hero-meta {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.meta-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.5);
}

.meta-value {
    font-size: 1rem;
    color: white;
    font-weight: 500;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.8rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

/* ============================================
   CONTENT SECTIONS
   ============================================ */

.content-section {
    padding: 5rem 2rem;
}

.content-section.bg-cream {
    background: var(--cream);
}

.content-section.bg-white {
    background: white;
}

.content-section.bg-dark {
    background: linear-gradient(135deg, var(--dark-teal), #0f2828);
}

.content-section.bg-gradient {
    background: linear-gradient(135deg, var(--teal), var(--dark-teal));
}

.section-inner {
    max-width: 1000px;
    margin: 0 auto;
}

.section-header {
    margin-bottom: 2.5rem;
}

.section-number {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--teal);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 0.5rem;
}

.bg-dark .section-number {
    color: var(--cream);
}

.section-header h2 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-burgundy);
    line-height: 1.2;
}

.section-header h2.light {
    color: white;
}

.section-intro {
    max-width: 800px;
    margin-bottom: 3rem;
}

.section-intro p {
    font-size: 1.15rem;
    line-height: 1.8;
    color: #4a3f3a;
}

/* Two Column Layout */
.two-column {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
    align-items: start;
}

.column-text .lead-text {
    font-size: 1.2rem;
    line-height: 1.7;
    color: var(--dark-burgundy);
    margin-bottom: 1.5rem;
}

.column-text p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: #4a3f3a;
    margin-bottom: 1rem;
}

.context-box {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    border-left: 4px solid var(--teal);
}

.context-box h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--teal);
    margin-bottom: 0.75rem;
}

.context-box p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: #4a3f3a;
}

/* Method Cards */
.method-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.method-card {
    background: #f7f2ea;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
}

.method-icon {
    color: var(--teal);
    margin-bottom: 1rem;
}

.method-stat {
    font-family: 'Cormorant Garamond', serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-burgundy);
}

.method-label {
    font-size: 0.9rem;
    color: #5a4942;
    margin-top: 0.25rem;
}

/* Studies Overview */
.studies-overview h3 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.5rem;
    color: var(--dark-burgundy);
    margin-bottom: 1.5rem;
    text-align: center;
}

.studies-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.study-card {
    background: white;
    border-radius: 12px;
    padding: 1.75rem;
    border-top: 3px solid var(--teal);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.study-number {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--teal);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.study-card h4 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--dark-burgundy);
    margin: 0.5rem 0;
}

.study-card p {
    font-size: 0.9rem;
    line-height: 1.5;
    color: #5a4942;
    margin-bottom: 1rem;
}

.study-method {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--teal);
    background: rgba(45, 106, 106, 0.1);
    padding: 0.3rem 0.75rem;
    border-radius: 20px;
}

/* Key Finding Box */
.key-finding {
    background: rgba(241, 221, 196, 0.2);
    border-left: 4px solid var(--cream);
    padding: 1.5rem 2rem;
    margin-bottom: 2.5rem;
    border-radius: 0 12px 12px 0;
}

.key-finding p {
    font-size: 1.15rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.9);
}

.key-finding strong {
    color: var(--cream);
}

/* Findings Grid */
.findings-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.finding-card {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 1.75rem;
    transition: background 0.3s ease, transform 0.3s ease;
}

.finding-card:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-3px);
}

.finding-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--cream);
    color: var(--dark-teal);
    border-radius: 50%;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.finding-card h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
    margin-bottom: 0.5rem;
}

.finding-card p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.75);
}

/* Quote Section */
.quote-section {
    padding: 4rem 2rem;
}

.featured-quote {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.featured-quote p {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.75rem;
    font-style: italic;
    line-height: 1.5;
    color: var(--dark-burgundy);
}

/* Experiment Results */
.experiment-results {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.experiment-box {
    background: #f7f2ea;
    border-radius: 12px;
    padding: 2rem;
}

.experiment-box h4 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--teal);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.experiment-finding {
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--dark-burgundy);
    margin-bottom: 1rem;
}

.experiment-finding strong {
    color: var(--teal);
}

.experiment-detail {
    font-size: 0.85rem;
    color: #5a4942;
}

/* Insight Box */
.insight-box {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    border-left: 4px solid var(--teal);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.insight-box h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--teal);
    margin-bottom: 0.75rem;
}

.insight-box p {
    font-size: 1rem;
    line-height: 1.7;
    color: #4a3f3a;
}

/* Predictors Grid */
.predictors-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.predictor-category {
    background: white;
    border-radius: 12px;
    padding: 2rem;
}

.predictor-category h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--teal);
    margin-bottom: 1rem;
}

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

.predictor-category li {
    font-size: 0.95rem;
    color: #4a3f3a;
    padding: 0.5rem 0;
    border-bottom: 1px solid #f0e8e0;
}

.predictor-category li:last-child {
    border-bottom: none;
}

/* Key Result */
.key-result {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 2rem;
    align-items: center;
}

.result-stat {
    text-align: center;
    padding-right: 2rem;
    border-right: 2px solid var(--teal);
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--teal);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.stat-value {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dark-burgundy);
}

.result-caveat p {
    font-size: 1rem;
    line-height: 1.7;
    color: #4a3f3a;
}

.result-caveat strong {
    color: var(--dark-burgundy);
}

/* Takeaway Section */
.takeaway-section {
    padding: 5rem 2rem;
}

.takeaway-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.takeaway-content h2 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 2rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1.5rem;
}

.takeaway-text {
    font-size: 1.3rem;
    line-height: 1.6;
    color: white;
    margin-bottom: 1.5rem;
}

.takeaway-text strong {
    color: var(--cream);
}

.takeaway-subtext {
    font-size: 1.05rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.8);
}

/* Implications Grid */
.implications-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.implication-card {
    background: #f7f2ea;
    border-radius: 12px;
    padding: 1.75rem;
    border-top: 3px solid var(--teal);
}

.implication-card h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark-burgundy);
    margin-bottom: 0.5rem;
}

.implication-card p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: #5a4942;
}

/* Papers Grid */
.papers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.paper-card {
    background: white;
    border-radius: 12px;
    padding: 1.75rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.paper-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.3rem 0.75rem;
    border-radius: 20px;
    margin-bottom: 1rem;
}

.paper-badge.published {
    background: var(--teal);
    color: white;
}

.paper-badge.review {
    background: #e8e0d8;
    color: #5a4942;
}

.paper-card h4 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--dark-burgundy);
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.paper-authors {
    font-size: 0.9rem;
    color: #5a4942;
    margin-bottom: 0.25rem;
}

.paper-journal {
    font-size: 0.85rem;
    font-style: italic;
    color: #7a6a62;
    margin-bottom: 1rem;
}

.paper-link {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--teal);
    text-decoration: none;
    transition: color 0.2s ease;
}

.paper-link:hover {
    color: var(--dark-teal);
}

/* Footer */
.study-footer {
    background: var(--dark-teal);
    padding: 3rem 2rem;
    text-align: center;
}

.footer-back-link {
    display: inline-block;
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.footer-back-link:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Scroll Reveal Animation */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

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

@media (max-width: 1000px) {
    .two-column {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .method-cards {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .studies-grid {
        grid-template-columns: 1fr;
    }
    
    .findings-grid {
        grid-template-columns: 1fr;
    }
    
    .experiment-results {
        grid-template-columns: 1fr;
    }
    
    .predictors-grid {
        grid-template-columns: 1fr;
    }
    
    .key-result {
        grid-template-columns: 1fr;
    }
    
    .result-stat {
        border-right: none;
        border-bottom: 2px solid var(--teal);
        padding-right: 0;
        padding-bottom: 1.5rem;
    }
    
    .implications-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .study-hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.3rem;
    }
    
    .hero-meta {
        gap: 1.5rem;
    }
    
    .back-link {
        top: 5rem;
        left: 1rem;
        font-size: 0.85rem;
    }
    
    .content-section {
        padding: 3.5rem 1.5rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .method-cards {
        grid-template-columns: 1fr;
    }
    
    .featured-quote p {
        font-size: 1.4rem;
    }
    
    .takeaway-text {
        font-size: 1.15rem;
    }
}

@media (max-width: 480px) {
    .study-hero {
        padding: 5rem 1rem 2rem;
    }
    
    .study-hero h1 {
        font-size: 2rem;
    }
    
    .method-stat {
        font-size: 2rem;
    }
}