/* ============================================
   AI TOOLS STUDY - Modern Editorial Design
   ============================================ */

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

/* 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(--soft-blue) 0%, #6b7fba 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, 0.9);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.15);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.25);
}

.back-link:hover {
    color: white;
    background: rgba(255, 255, 255, 0.25);
}

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

.hero-eyebrow {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 1.5rem;
    background: rgba(255, 255, 255, 0.2);
    display: inline-block;
    padding: 0.4rem 1rem;
    border-radius: 20px;
}

.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(58, 18, 19, 0.35);
    padding: 0.05em 0.25em;
    border-radius: 4px;
}

.hero-subtitle {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.6rem;
    color: rgba(255, 255, 255, 0.95);
    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, 0.6);
}

.meta-value {
    font-size: 1rem;
    color: white;
    font-weight: 600;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.5);
    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: var(--dark-burgundy);
}

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

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

/* Section Headers */
.section-header {
    margin-bottom: 2.5rem;
}

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

.section-number {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--soft-blue);
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: 0.5rem;
}

.section-header h2 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-burgundy);
    margin: 0;
}

.section-header h2::after {
    display: none;
}

.section-intro {
    font-size: 1.15rem;
    color: var(--dark-burgundy);
    line-height: 1.7;
    max-width: 700px;
    margin-bottom: 2.5rem;
}

.section-intro.light {
    color: rgba(255, 255, 255, 0.9);
}

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

.column-text .lead-text {
    font-size: 1.25rem;
    color: var(--dark-burgundy);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.column-text p {
    color: #5a4a42;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.stat-stack {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.stat-callout {
    background: white;
    border-radius: 16px;
    padding: 1.75rem;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
}

.stat-callout.secondary {
    background: var(--dark-burgundy);
}

.stat-callout.secondary .stat-number {
    color: var(--soft-blue);
}

.stat-callout.secondary .stat-label {
    color: rgba(255, 255, 255, 0.8);
}

.stat-number {
    display: block;
    font-family: 'Cormorant Garamond', serif;
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--soft-blue);
    line-height: 1;
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--rust);
    margin-top: 0.5rem;
}

/* ============================================
   TOOLS SHOWCASE
   ============================================ */

.tools-showcase {
    margin: 3rem 0;
}

.tools-showcase h3 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.5rem;
    color: var(--dark-burgundy);
    margin-bottom: 1.5rem;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.tool-item {
    background: #faf8f5;
    padding: 1.25rem;
    border-radius: 12px;
    position: relative;
    transition: all 0.2s ease;
}

.tool-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.tool-item.interactive {
    border-left: 3px solid var(--soft-blue);
}

.tool-item.passive {
    border-left: 3px solid var(--rust);
    opacity: 0.8;
}

.tool-type {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--soft-blue);
    margin-bottom: 0.5rem;
    display: block;
}

.tool-item.passive .tool-type {
    color: var(--rust);
}

.tool-item h4 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.15rem;
    color: var(--dark-burgundy);
    margin-bottom: 0.35rem;
}

.tool-item p {
    font-size: 0.8rem;
    color: #666;
    line-height: 1.4;
    margin: 0;
}

/* Method Cards */
.method-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.method-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
}

.method-icon {
    width: 48px;
    height: 48px;
    background: rgba(146, 164, 210, 0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--soft-blue);
}

.method-card h4 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.3rem;
    color: var(--dark-burgundy);
    margin: 0;
}

.method-card p {
    font-size: 0.95rem;
    color: #5a4a42;
    line-height: 1.6;
    margin: 0;
}

/* ============================================
   FINDINGS SECTION
   ============================================ */

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

.big-finding {
    font-family: 'Cormorant Garamond', serif;
    font-size: 2rem;
    color: white;
    line-height: 1.4;
    max-width: 700px;
}

.big-finding em {
    color: var(--soft-blue);
    font-style: italic;
}

.ratings-chart {
    margin: 2rem 0;
}

.ratings-chart .chart-container {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 1.5rem;
    height: 400px;
}

/* Quote Cards */
.quote-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.quote-card {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 1.5rem;
    border-left: 3px solid var(--soft-blue);
}

.quote-card blockquote {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    margin: 0 0 0.75rem 0;
    font-style: italic;
}

.quote-card cite {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
    font-style: normal;
}

/* ============================================
   THEMES GRID
   ============================================ */

.themes-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.theme-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    position: relative;
    transition: all 0.2s ease;
}

.theme-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}

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

.theme-card h4 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.15rem;
    color: var(--dark-burgundy);
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.theme-card p {
    font-size: 0.85rem;
    color: #5a4a42;
    line-height: 1.5;
    margin: 0;
}

/* ============================================
   TENSION VISUAL
   ============================================ */

.tension-visual {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 2rem;
    align-items: center;
    margin: 2rem 0;
}

.tension-side {
    background: #faf8f5;
    border-radius: 16px;
    padding: 2rem;
}

.tension-side.students {
    border-left: 4px solid var(--soft-blue);
}

.tension-side.institutions {
    border-left: 4px solid var(--rust);
}

.tension-side h3 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.5rem;
    color: var(--dark-burgundy);
    margin-bottom: 1rem;
}

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

.tension-side li {
    padding: 0.5rem 0;
    color: #5a4a42;
    font-size: 0.95rem;
    position: relative;
    padding-left: 1.25rem;
}

.tension-side li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--soft-blue);
}

.tension-side.institutions li::before {
    color: var(--rust);
}

.tension-vs {
    font-family: 'Cormorant Garamond', serif;
    font-size: 2rem;
    color: var(--rust);
    font-style: italic;
}

.tension-quote {
    margin-top: 2rem;
    text-align: center;
}

.tension-quote blockquote {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.3rem;
    color: var(--dark-burgundy);
    line-height: 1.6;
    font-style: italic;
    max-width: 800px;
    margin: 0 auto;
}

/* ============================================
   IMPLICATIONS
   ============================================ */

.implications-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.implication-card {
    background: white;
    border-radius: 12px;
    padding: 1.75rem;
    border-top: 3px solid var(--soft-blue);
}

.implication-card h4 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.25rem;
    color: var(--dark-burgundy);
    margin-bottom: 0.5rem;
}

.implication-card p {
    font-size: 0.95rem;
    color: #5a4a42;
    line-height: 1.6;
    margin: 0;
}

/* ============================================
   TAKEAWAY & PAPER SECTIONS
   ============================================ */

.takeaway-block {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: 2rem 0;
}

.takeaway-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--soft-blue);
    margin-bottom: 1.5rem;
}

.takeaway-text {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.5rem;
    color: white;
    line-height: 1.6;
    margin: 0;
}

.takeaway-text em {
    font-style: italic;
}

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

.paper-section {
    padding: 4rem 2rem;
}

.paper-block {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.paper-status {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: white;
    background: var(--rust);
    padding: 0.35rem 0.75rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.paper-block h3 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.8rem;
    color: var(--dark-burgundy);
    margin-bottom: 1.5rem;
}

.citation {
    background: #faf8f5;
    border-left: 4px solid var(--soft-blue);
    padding: 1.25rem 1.5rem;
    border-radius: 0 8px 8px 0;
    text-align: left;
    margin-bottom: 1.5rem;
}

.citation p {
    font-size: 0.95rem;
    color: #5a4a42;
    line-height: 1.6;
    margin: 0;
}

.paper-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.paper-button {
    display: inline-block;
    background: var(--dark-burgundy);
    color: white;
    padding: 1rem 2rem;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.paper-button:hover {
    background: var(--rust);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(58, 18, 19, 0.3);
}

/* ============================================
   SCROLL REVEAL ANIMATIONS
   ============================================ */

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

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

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

@media (max-width: 900px) {
    .study-hero h1 {
        font-size: 2.8rem;
    }
    
    .hero-subtitle {
        font-size: 1.3rem;
    }
    
    .two-column {
        grid-template-columns: 1fr;
    }
    
    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .method-cards {
        grid-template-columns: 1fr;
    }
    
    .themes-grid {
        grid-template-columns: 1fr;
    }
    
    .quote-cards {
        grid-template-columns: 1fr;
    }
    
    .tension-visual {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .tension-vs {
        text-align: center;
    }
    
    .implications-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .study-hero {
        padding: 5rem 1.5rem 2rem;
    }
    
    .study-hero h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .back-link {
        top: 4.5rem;
        left: 1.5rem;
    }
    
    .content-section {
        padding: 3rem 1.5rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
    }
    
    .big-finding {
        font-size: 1.5rem;
    }
    
    .takeaway-text {
        font-size: 1.25rem;
    }
    
    .ratings-chart .chart-container {
        height: 350px;
    }
}
/* Footer */
.study-footer {
    background: var(--soft-blue);
    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);
}