@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;700&family=Inter:wght@300;400;500;600&display=swap');

:root {
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --secondary: #8b5cf6;
    --dark: #0f172a;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --glass: rgba(255, 255, 255, 0.8);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --radius: 12px;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, .font-heading {
    font-family: 'Outfit', sans-serif;
    color: var(--dark);
    font-weight: 700;
}

/* Navigation */
nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--glass);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    padding: 1rem 0;
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 1.25rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 600;
    font-size: 0.85rem;
    transition: color 0.2s;
    white-space: nowrap;
}

.nav-links a:hover {
    color: var(--primary);
}

/* Hero Section */
.hero {
    padding: 6rem 2rem 4rem;
    text-align: center;
    background: #fff;
    color: var(--dark);
    border-bottom: 1px solid #eee;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    color: var(--dark);
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-muted);
    max-width: 800px;
    margin: 0 auto 2.5rem;
}

.authors {
    margin-bottom: 2rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem 1.5rem;
}

.author-link {
    text-decoration: none;
    color: var(--primary);
    font-weight: 500;
    transition: opacity 0.2s;
}

.author-link:hover {
    text-decoration: underline;
}

.affiliations {
    margin-bottom: 3rem;
    color: var(--text-muted);
    font-size: 1rem;
}

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

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
}

.btn-primary {
    background-color: var(--dark);
    color: white;
}

.btn-primary:hover {
    background-color: #000;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: var(--bg-white);
    color: var(--dark);
    border: 1px solid #e2e8f0;
}

.btn-secondary:hover {
    background-color: #f1f5f9;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Scroll Progress */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    width: 0;
    z-index: 9999;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6);
    border-radius: 0 2px 2px 0;
    transition: width 0.1s ease-out;
}

/* Sections */
section {
    padding: 3.5rem 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.section-title {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.015em;
    margin-bottom: 1.25rem;
    padding-bottom: 0.5rem;
    position: relative;
    text-align: left;
    color: var(--dark);
}

.section-title::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 3.5rem;
    height: 3px;
    border-radius: 2px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6);
}

.section-desc {
    color: var(--text-muted);
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 3rem;
}

/* Abstract */
.abstract-card {
    background: var(--bg-white);
    padding: 3rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(226, 232, 240, 0.5);
}

.abstract-text {
    font-size: 1.125rem;
    color: var(--text-main);
    text-align: justify;
}

/* Architecture & Placeholders */
.placeholder-box {
    background: linear-gradient(135deg, #e2e8f0 0%, #cbd5e1 100%);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.architecture-placeholder {
    width: 100%;
    height: 300px;
    margin-top: 2rem;
    position: relative;
    overflow: hidden;
    background: #f1f5f9;
    border: 2px dashed #cbd5e1;
}

.arch-node {
    position: absolute;
    padding: 1rem;
    background: white;
    border: 1px solid var(--primary);
    border-radius: 8px;
    box-shadow: var(--shadow-md);
    font-size: 0.9rem;
    font-weight: 600;
}

.node-vision { top: 40%; left: 10%; }
.node-projection { top: 40%; left: 40%; }
.node-llm { top: 40%; left: 70%; }

.arch-arrow {
    position: absolute;
    height: 2px;
    background: var(--primary);
    top: 50%;
}

.arrow-1 { width: 15%; left: 25%; }
.arrow-2 { width: 15%; left: 55%; }

/* Chat Demo */
.chat-container {
    background: #ffffff;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.1);
    overflow: hidden;
    max-width: 900px;
    margin: 0 auto;
    border: 1px solid #eee;
}

.chat-header {
    background: #f8fafc;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.chat-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.chat-body {
    padding: 2rem;
    height: 600px;
    overflow-y: auto;
    background: #fdfdfd;
}

.message {
    margin-bottom: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.message.user {
    align-items: flex-end;
}

.message.bot {
    align-items: flex-start;
}

.bubble {
    padding: 1rem 1.5rem;
    border-radius: 20px;
    max-width: 80%;
    font-size: 1rem;
}

.user .bubble {
    background: var(--primary);
    color: white;
    border-bottom-right-radius: 4px;
}

.bot .bubble {
    background: #f1f5f9;
    color: var(--dark);
    border-bottom-left-radius: 4px;
}

.chat-placeholder {
    width: 100%;
    height: 200px;
    border-radius: 12px;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #f1f5f9, #e2e8f0);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.8rem;
    border: 1px solid #eee;
}

/* Citation */
.citation-box {
    background: #1e1e1e;
    padding: 1.5rem;
    border-radius: 12px;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.9rem;
    border: 1px solid #333;
    color: #d4d4d4;
    position: relative; /* Stable anchor for the button */
    overflow: hidden; /* Prevent the container itself from scrolling */
}

.citation-box pre {
    margin: 0;
    white-space: pre; /* Keep code formatting */
    overflow-x: auto; /* Allow code to scroll */
    padding-right: 4rem; /* Leave room for the button */
}

.copy-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    font-size: 0.75rem;
    z-index: 10; /* Keep above the scrolling code */
    transition: all 0.2s ease;
}

.copy-btn:hover {
    background: rgba(255,255,255,0.2);
}

/* Footer */
footer {
    padding: 4rem 2rem;
    text-align: center;
    border-top: 1px solid #eee;
    color: var(--text-muted);
}

/* Removed .animate-up to match ReOPD's default visibility and fix the blank screen bug */

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    .hero-subtitle {
        font-size: 1.2rem;
    }
    .nav-links {
        display: none;
    }
    .abstract-card {
        padding: 1.5rem;
    }
}
/* Syntax Highlighting - Dark Theme */
.code-keyword { color: #569cd6; font-weight: 600; } /* Light Blue */
.code-string { color: #ce9178; } /* Terracotta */
.code-comment { color: #6a9955; font-style: italic; } /* Green */
.code-func { color: #dcdcaa; } /* Yellow */
.code-builtin { color: #c586c0; } /* Purple */
.code-number { color: #b5cea8; } /* Light Green */

/* Explainer Section */
/* Walkthrough Section */
.walkthrough-section {
    padding: 6rem 2rem;
    background: #f8fafc;
    border-top: 1px solid #eee;
}

.section-description {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 4rem;
    max-width: 850px;
    margin-left: auto;
    margin-right: auto;
    font-size: 1.1rem;
    line-height: 1.6;
}

.explainer-container {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
    min-height: 600px;
}

.explainer-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.step-card {
    padding: 1.25rem;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    display: flex;
    gap: 1rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0.7;
}

.step-card:hover {
    transform: translateX(5px);
    border-color: #3b82f6;
    opacity: 1;
    background: #f8fafc;
}

.step-card.active {
    opacity: 1;
    border-color: #3b82f6;
    background: #f0f7ff;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.1);
}

.step-num {
    font-family: 'Outfit';
    font-size: 1.1rem;
    font-weight: 700;
    color: #3b82f6;
    opacity: 0.5;
}

.active .step-num {
    opacity: 1;
}

.step-content h3 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
    color: var(--dark);
}

.step-content p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.4;
    margin: 0;
}

.code-stage {
    display: none; /* Hidden by default except for the active one */
    opacity: 0;
}

.code-stage.active {
    display: block;
    opacity: 1;
}

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

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

.floating-logo {
    animation: float 6s ease-in-out infinite;
    mix-blend-mode: normal; /* PNGs don't need blending hacks */
}

.code-viewport-style {
    background: #1e1e1e;
    border-radius: 24px;
    border: 1px solid #333;
    position: relative;
    overflow: hidden;
    padding: 2rem;
}

.stage-title {
    font-family: 'Outfit';
    margin-bottom: 1rem;
    color: #569cd6;
}


/* Responsive Design */
@media (max-width: 1024px) {
    .explainer-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .explainer-sidebar {
        order: -1; /* Move sidebar above code on tablets */
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 1rem;
    }
    
    .step-card {
        min-width: 250px;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .hero {
        padding: 4rem 1.5rem;
    }
    
    .logo-container img {
        max-height: 300px !important;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .walkthrough-section {
        padding: 4rem 1rem;
    }
    
    .code-viewport-style {
        padding: 1rem;
        border-radius: 12px;
    }
    
    .table-container {
        overflow-x: auto;
    }
    
    table {
        min-width: 600px;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .btn {
        width: 100%;
    }
}
/* Interpretability Explorer */
.interpret-section {
    padding: 6rem 2rem;
    background: #fdfdfd;
}

.explorer-box {
    max-width: 1100px;
    margin: 0 auto;
    background: #fff;
    border-radius: 24px;
    border: 1px solid #eee;
    box-shadow: var(--shadow-lg);
    padding: 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2.5rem;
    position: relative;
}

.cohort-selector {
    display: flex;
    background: #f1f5f9;
    padding: 0.4rem;
    border-radius: 50px;
    gap: 0.5rem;
}

.cohort-btn {
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-family: 'Outfit';
    font-weight: 600;
    color: var(--text-muted);
    transition: all 0.3s ease;
}

.cohort-btn.active {
    background: #fff;
    color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.subclass-tabs {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.subclass-btn {
    padding: 0.5rem 1.25rem;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    background: #fff;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.subclass-btn:hover {
    border-color: var(--primary);
    background: #f0f7ff;
}

.subclass-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.interpret-display {
    width: 100%;
    max-height: 300px; /* Heavy bottom crop */
    overflow: hidden; /* Hide the bottom whitespace */
    display: flex;
    justify-content: center;
    align-items: flex-start; /* Align image to top */
    position: relative;
    border-radius: 12px;
}

.interpret-image {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Cover the container */
    object-position: top; /* Keep the top of the image (the content) visible */
    opacity: 0;
    mix-blend-mode: multiply;
    transition: opacity 0.3s ease-in-out;
}

.interpret-image.visible {
    opacity: 1;
}

.math-detail {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid #eee;
    color: var(--text-main);
    line-height: 1.7;
    font-size: 0.95rem;
    width: 100%;
}

.math-detail p {
    margin-bottom: 1.5rem;
}

/* Interpretability Legend */
.interpret-legend {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
    padding: 1rem 2rem;
    background: #f8fafc;
    border-radius: 50px;
    border: 1px solid #e2e8f0;
    margin-bottom: 1rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-main);
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

@media (max-width: 768px) {
    .explorer-box {
        padding: 1.5rem;
    }
    .interpret-legend {
        gap: 1rem;
        padding: 1rem;
        border-radius: 20px;
    }
}
/* Visual Heatmap Explorer */
.visual-section {
    padding: 6rem 2rem;
    background: var(--bg-light);
    border-top: 1px solid #eee;
}

.slide-selector-container {
    width: 100%;
    max-width: 600px;
    margin: 0 auto 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    text-align: center;
}

.slide-select {
    padding: 0.8rem 1.2rem;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    background: #fff;
    font-family: 'Inter';
    font-size: 0.95rem;
    color: var(--dark);
    cursor: pointer;
    transition: border-color 0.2s;
    width: 100%;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23475569'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1.2rem;
}

.slide-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.variation-tabs {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 2.5rem;
}

.variation-btn {
    padding: 0.5rem 1rem;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    background: #f8fafc;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    transition: all 0.2s ease;
}

.variation-btn:hover {
    background: #f1f5f9;
}

.variation-btn.active {
    background: var(--dark);
    color: #fff;
    border-color: var(--dark);
}

.heatmap-display {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    border-radius: 16px;
    overflow: hidden;
    border: none;
    background: transparent;
    line-height: 0;
}

.heatmap-img {
    width: 100%;
    height: auto;
    opacity: 0;
    mix-blend-mode: multiply;
    transition: opacity 0.4s ease-in-out;
}

.heatmap-img.visible {
    opacity: 1;
}
.visual-split {
    display: grid !important;
    grid-template-columns: 1fr 320px;
    gap: 3rem;
    align-items: start;
    padding: 3rem;
    text-align: left; /* Reset centering for the split layout */
}

.visual-main {
    width: 100%;
}

.visual-sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    width: 100%;
    padding-left: 1rem;
    border-left: 1px solid #f1f5f9;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.control-label {
    font-size: 0.7rem;
    font-weight: 800;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.visual-sidebar .variation-tabs {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: stretch;
    margin-bottom: 0;
}

.variation-card {
    padding: 1.25rem;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    display: flex;
    gap: 1.25rem;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0.7;
}

.variation-card:hover {
    transform: translateX(5px);
    border-color: var(--primary);
    opacity: 1;
    background: #f8fafc;
}

.variation-card.active {
    opacity: 1;
    border-color: var(--primary);
    background: #f0f7ff;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.1);
}

.var-num {
    font-family: 'Outfit';
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary);
    opacity: 0.5;
}

.active .var-num {
    opacity: 1;
}

.var-content h3 {
    font-size: 1rem;
    margin: 0;
    color: var(--dark);
    line-height: 1.2;
}

.var-content p {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.4;
    margin: 0;
}

.visual-sidebar .cohort-selector {
    width: 100%;
    justify-content: flex-start;
}

.visual-sidebar .cohort-btn {
    flex: 1;
}

/* Responsive adjustments for the split layout */
@media (max-width: 1024px) {
    .visual-split {
        grid-template-columns: 1fr;
        padding: 2rem;
    }
    
    .visual-sidebar {
        padding-left: 0;
        border-left: none;
        border-top: 1px solid #f1f5f9;
        padding-top: 2rem;
    }
}
/* GCCA Algorithm Interactive Styles */
.gcca-progress {
    padding: 0 0.5rem;
}

.progress-text {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    font-weight: 600;
    color: var(--dark);
}

.progress-dots {
    display: flex;
    gap: 8px;
}

.progress-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #cbd5e1;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.progress-dot.done {
    background: var(--dark);
    opacity: 0.4;
}

.progress-dot.active {
    background: var(--dark);
    transform: scale(1.5);
    box-shadow: 0 0 12px rgba(15, 23, 42, 0.3);
}

.gcca-card {
    background: var(--bg-white);
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    box-shadow: var(--shadow-sm);
}

.gcca-card.locked {
    opacity: 0.15;
    pointer-events: none;
    transform: scale(0.98);
}

.gcca-card.active {
    border-color: var(--dark);
    border-width: 2px;
    box-shadow: var(--shadow-lg);
    transform: scale(1.02);
}

.gcca-card.done {
    opacity: 0.6;
}

.card-step {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.gcca-card.active .card-step {
    color: var(--dark);
}

.card-title {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.section-desc {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.6;
}

/* Callout Cards */
.callout-container {
    margin: 3rem auto;
    text-align: left;
    max-width: 900px;
}

.callout-header {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 0.75rem;
}

.callout-underline {
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, #2563eb, #f59e0b);
    border-radius: 2px;
    margin-bottom: 1.5rem;
}

.callout-box {
    border-left: 4px solid #2563eb;
    background: linear-gradient(90deg, rgba(239, 246, 255, 0.8) 0%, rgba(255, 255, 255, 0.2) 100%);
    padding: 1.5rem 1.75rem;
    border-radius: 0 12px 12px 0;
    font-size: 1.1rem;
    line-height: 1.7;
    color: #0f172a;
}

.card-desc {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.card-eq {
    background: #f8fafc;
    border-radius: 12px;
    padding: 1.5rem;
    margin: 1.5rem 0;
    overflow-x: auto;
    text-align: center;
    font-size: 1.1rem;
    border: 1px solid #e2e8f0;
}

.card-note {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-muted);
    border-top: 1px solid #f1f5f9;
    padding-top: 1.25rem;
    margin-top: 1.25rem;
}

.dim-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
}

.dim-table th {
    text-align: left;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    padding: 0.75rem;
    border-bottom: 1px solid #e2e8f0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.dim-table td {
    padding: 0.75rem;
    border-bottom: 1px solid #f8fafc;
    font-size: 14px;
    color: var(--dark);
}

.gcca-progress {
    position: sticky;
    top: 100px;
    z-index: 100;
}

.gcca-btn-sm {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    border: 1px solid #e2e8f0;
    border-radius: 9999px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-white);
    color: var(--dark);
}

.gcca-btn-sm:hover:not(:disabled) {
    border-color: var(--dark);
    color: var(--dark);
    background: #f8fafc;
}

.gcca-btn-sm:disabled {
    opacity: 0.2;
    cursor: not-allowed;
}


.gcca-btn {
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    border: 1px solid #e2e8f0;
    border-radius: 9999px;
    padding: 0.75rem 1.75rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-white);
    color: var(--dark);
    box-shadow: var(--shadow-sm);
}

.gcca-btn:hover:not(:disabled) {
    background: #f8fafc;
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.gcca-btn.btn-next {
    background: var(--dark);
    color: white;
    border: none;
}

.gcca-btn.btn-next:hover:not(:disabled) {
    background: #000;
    box-shadow: var(--shadow-lg);
}

.gcca-btn:disabled {
    opacity: 0.25;
    cursor: not-allowed;
    transform: none !important;
}

@media (max-width: 768px) {
    .gcca-card {
        padding: 1.5rem;
    }
    .gcca-nav {
        padding: 1.5rem 0 3rem;
    }
}

/* ============================
   CHORUS Variants Explorer
   ============================ */
.variants-section {
    padding: 6rem 2rem;
    background: var(--bg-light);
    border-top: 1px solid #eee;
}

.variants-page {
    max-width: 720px;
    margin: 0 auto;
}

.variants-intro {
    font-size: 1.15rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 2.5rem;
    max-width: 800px;
}

.variants-hint {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    font-weight: 600;
    color: var(--dark);
    background: #f0f4ff;
    border: 1px solid #e0e7ff;
    border-radius: 8px;
    padding: 10px 18px;
    margin-bottom: 3rem;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}
.variants-hint svg {
    width: 16px; height: 16px;
    stroke: var(--dark);
    fill: none; stroke-width: 2.5;
}

.vgroup-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #d1d5db;
    margin: 2.5rem 0 0.75rem;
    padding-left: 2px;
}

.v-card {
    background: var(--bg-white);
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    margin-bottom: 14px;
    transition: border-color 0.3s ease;
    overflow: hidden;
}
.v-card.open {
    border-color: var(--dark);
    box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}

.v-header {
    padding: 16px 20px 4px;
    display: flex;
    align-items: baseline;
    gap: 12px;
    cursor: pointer;
    user-select: none;
}
.v-header:hover .v-name { color: var(--dark); }

.v-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-muted);
    white-space: nowrap;
}

.v-name {
    font-family: 'Outfit', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-main);
    transition: color 0.2s ease;
}

.v-purpose {
    font-size: 0.9rem;
    color: var(--text-muted);
    padding: 0 20px;
    margin-bottom: 12px;
    line-height: 1.55;
}

.v-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.v-card.open .v-body {
    max-height: 600px;
}

.v-falsification {
    display: inline-block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.5px;
    color: #dc2626;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 100px;
    padding: 2px 10px;
    margin-left: 8px;
    vertical-align: middle;
}

.v-tip {
    margin-top: 10px;
    background: var(--bg-white);
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 16px 16px 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06), 0 1px 3px rgba(0,0,0,0.03);
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-main);
    display: none;
    position: relative;
}
.v-tip.visible {
    display: block;
    animation: vTipIn 0.25s ease;
}

@keyframes vTipIn {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
}

.v-tip .vt-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 500;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.v-tip .vt-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    flex-shrink: 0;
}
.v-tip .vt-text {
    color: var(--text-muted);
    font-size: 12.5px;
    line-height: 1.6;
}
.v-tip .vt-dims {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10.5px;
    color: #d1d5db;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid #e5e7eb;
}

.v-tip-close {
    position: absolute;
    top: 8px; right: 10px;
    width: 20px; height: 20px;
    border: none; background: transparent;
    cursor: pointer; color: #d1d5db;
    font-size: 16px; line-height: 1;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    transition: color 0.2s ease, background 0.2s ease;
}
.v-tip-close:hover {
    color: var(--text-muted);
    background: #f3f4f6;
}

.v-chevron {
    margin-left: auto;
    transition: transform 0.3s ease;
    color: #d1d5db;
    flex-shrink: 0;
}
.v-card.open .v-chevron {
    transform: rotate(180deg);
}

@media (max-width: 640px) {
    .variants-page { padding: 0; }
    .v-header { padding: 14px 16px 4px; }
    .v-purpose { padding: 0 16px; }
}

    /* ====== KEY METRIC PILLS ====== */
    :root {
      --rm-line: #e2e8f0;
      --rm-sub: #64748b;
      --rm-ink: #0f172a;
    }
    .metrics-strip {
      display: grid; grid-template-columns: repeat(5, minmax(0,1fr));
      gap: 1rem; margin: 2.4rem auto; max-width: 1100px; padding: 0 2rem;
    }
    @media (max-width: 768px) { .metrics-strip { grid-template-columns: repeat(2, 1fr); } }
    .metric-card {
      background: #fff; border: 1px solid var(--rm-line); border-radius: 18px;
      padding: 1.1rem 1.2rem; text-align: center;
      box-shadow: 0 4px 14px rgba(15,23,42,0.04);
      transition: all .25s ease;
    }
    .metric-card:hover { transform: translateY(-4px); box-shadow: 0 14px 30px rgba(59,130,246,0.12); border-color: rgba(59,130,246,0.35); }
    .metric-num {
      font-size: 2rem; font-weight: 800; letter-spacing: -0.02em;
      background: linear-gradient(120deg, #3b82f6, #8b5cf6);
      -webkit-background-clip: text; background-clip: text;
      -webkit-text-fill-color: transparent;
      font-variant-numeric: tabular-nums;
      display: inline-block;
      transition: transform 0.18s ease;
    }
    .metric-num.is-rolling { opacity: 0.85; }
    .metric-num.metric-pop { animation: metricPop 0.55s cubic-bezier(0.34, 1.56, 0.64, 1); }
    @keyframes metricPop {
      0%   { transform: scale(1); }
      45%  { transform: scale(1.18); }
      100% { transform: scale(1); }
    }
    .metric-label { color: var(--rm-sub); font-size: 0.86rem; font-weight: 500; margin-top: 0.2rem; }

    /* ====== RESULTS/METRICS TAB BUTTONS ====== */
    .results-tab {
      background: #f1f5f9;
      border: 1px solid #e2e8f0;
      border-radius: 8px;
      padding: 0.6rem 1.2rem;
      font-size: 0.85rem;
      font-weight: 600;
      color: #475569;
      cursor: pointer;
      transition: all 0.2s ease;
      font-family: 'Outfit', sans-serif;
    }
    .results-tab:hover {
      background: #e2e8f0;
      color: #1e293b;
    }
    .results-tab.active {
      background: linear-gradient(135deg, #3b82f6, #8b5cf6);
      color: #fff;
      border-color: transparent;
      box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
    }

    /* ====== PREMIUM METRIC ICON WRAP ====== */
    .metric-icon-wrap {
      width: 56px;
      height: 56px;
      border-radius: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 0.75rem;
      transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
    }
    .metric-card:hover .metric-icon-wrap {
      transform: scale(1.12) translateY(-2px);
      box-shadow: 0 8px 20px rgba(0,0,0,0.08);
    }

    /* ====== RQ CARDS ====== */
    .rq-card {
      position: relative;
      background: #fff;
      border-radius: 14px;
      padding: 1.5rem;
      padding-right: 3.5rem;
      border: 1px solid #e2e8f0;
      box-shadow: 0 2px 8px rgba(0,0,0,0.03);
      transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
      cursor: pointer;
    }
    .rq-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 28px rgba(0,0,0,0.08);
      border-color: rgba(59,130,246,0.3);
    }
    .rq-badge {
      font-size: 0.75rem;
      font-weight: 700;
      letter-spacing: 0.05em;
      text-transform: uppercase;
      margin-bottom: 0.5rem;
    }
    .rq-text {
      margin: 0;
      font-size: 0.95rem;
      color: var(--text-main);
      line-height: 1.6;
    }
    .rq-expand {
      position: absolute;
      top: 1.2rem;
      right: 1.2rem;
      width: 32px;
      height: 32px;
      border-radius: 8px;
      border: 1px solid #e2e8f0;
      background: #f8fafc;
      color: #94a3b8;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: all 0.2s ease;
    }
    .rq-card:hover .rq-expand {
      background: linear-gradient(135deg, #3b82f6, #8b5cf6);
      color: #fff;
      border-color: transparent;
      box-shadow: 0 4px 12px rgba(59,130,246,0.3);
    }

    /* ====== RQ MODAL ====== */
    .rq-modal-overlay {
      position: fixed;
      inset: 0;
      z-index: 9999;
      background: rgba(15,23,42,0.55);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      display: flex;
      align-items: center;
      justify-content: center;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.3s ease;
    }
    .rq-modal-overlay.is-open {
      opacity: 1;
      pointer-events: auto;
    }
    .rq-modal {
      background: #fff;
      border-radius: 20px;
      padding: 2.5rem 3rem;
      max-width: 640px;
      width: 90%;
      max-height: 80vh;
      overflow-y: auto;
      box-shadow: 0 25px 60px rgba(0,0,0,0.2);
      transform: translateY(20px) scale(0.97);
      transition: transform 0.35s cubic-bezier(0.34,1.56,0.64,1);
      position: relative;
    }
    .rq-modal-overlay.is-open .rq-modal {
      transform: translateY(0) scale(1);
    }
    .rq-modal-close {
      position: absolute;
      top: 1.2rem;
      right: 1.2rem;
      width: 36px;
      height: 36px;
      border-radius: 10px;
      border: 1px solid #e2e8f0;
      background: #f8fafc;
      color: #64748b;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: all 0.2s;
    }
    .rq-modal-close:hover {
      background: #fee2e2;
      color: #dc2626;
      border-color: #fecaca;
    }
    .rq-modal-badge {
      font-size: 0.8rem;
      font-weight: 700;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      margin-bottom: 0.6rem;
    }
    .rq-modal-title {
      font-family: 'Outfit', sans-serif;
      font-size: 1.35rem;
      font-weight: 700;
      color: var(--dark, #0f172a);
      margin: 0 0 1.5rem;
      line-height: 1.4;
    }
    .rq-modal-body {
      font-size: 0.95rem;
      color: #475569;
      line-height: 1.75;
    }
    .rq-modal-body strong { color: #0f172a; }
    .rq-modal-body .rq-detail-row {
      display: flex;
      gap: 0.75rem;
      align-items: flex-start;
      margin-bottom: 1rem;
    }
    .rq-modal-body .rq-detail-icon {
      flex-shrink: 0;
      width: 28px;
      height: 28px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.85rem;
      margin-top: 2px;
    }
    .rq-modal-body code {
      background: #f1f5f9;
      padding: 0.15rem 0.4rem;
      border-radius: 4px;
      font-size: 0.85rem;
      font-family: 'JetBrains Mono', monospace;
      color: #6366f1;
    }

/* MOSAIC-Bench Premium Cards */
.bench-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.bench-card {
    background: #fff;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    padding: 1.8rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    position: relative;
    overflow: hidden;
}

.bench-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.08);
}

.bench-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.bench-card:hover::before {
    opacity: 1;
}

.bench-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.bench-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin: 0;
}

.bench-badge {
    padding: 0.35rem 0.8rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 700;
    background: rgba(59,130,246,0.1);
    color: #3b82f6;
    letter-spacing: 0.03em;
}

.bench-badge.orange {
    background: rgba(245,158,11,0.1);
    color: #d97706;
}

.bench-badge.green {
    background: rgba(16,185,129,0.1);
    color: #059669;
}

.bench-stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    font-size: 0.95rem;
    color: var(--text-muted);
}

.bench-stat-row:not(:last-child) {
    border-bottom: 1px dashed #e2e8f0;
}

.bench-stat-label {
    font-weight: 600;
    color: #334155;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.bench-stat-value {
    font-weight: 500;
}

.bench-task-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.bench-task-item {
    padding: 0.6rem 0;
    font-size: 0.95rem;
    color: #475569;
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
}

.bench-task-item::before {
    content: "•";
    color: #8b5cf6;
    font-weight: bold;
    font-size: 1.2rem;
    line-height: 1;
}

.bench-category-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark);
    margin: 2rem 0 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Premium Tables */
.premium-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.95rem;
}

.premium-table thead tr {
    background: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
    color: #64748b;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.premium-table th {
    padding: 1.25rem 1.5rem;
    font-weight: 600;
}

.premium-table tbody tr {
    border-bottom: 1px solid #f1f5f9;
    transition: background 0.15s ease;
}

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

.premium-table tbody tr:hover {
    background: #fcfcfc;
}

.premium-table td {
    padding: 1rem 1.5rem;
    color: #475569;
    vertical-align: middle;
    line-height: 1.5;
}

.premium-table td.font-bold {
    font-weight: 600;
    color: #0f172a;
}

.encoder-table-shell {
    margin-bottom: 4rem;
    overflow-x: auto;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 4px 15px rgb(0 0 0 / 0.03);
}

.encoder-table-summary {
    display: flex;
    gap: 1rem;
    align-items: center;
    justify-content: space-between;
    min-width: 860px;
    padding: 0.9rem 1.2rem;
    border-bottom: 1px solid #e2e8f0;
    background: linear-gradient(90deg, #f8fafc, #ffffff);
}

.encoder-table-summary p {
    margin: 0;
    color: #334155;
    font-size: 0.82rem;
    font-weight: 750;
}

.encoder-family-counts {
    display: flex;
    gap: 0.45rem;
    align-items: center;
}

.encoder-count,
.encoder-family {
    display: inline-flex;
    gap: 0.4rem;
    align-items: center;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 750;
    white-space: nowrap;
}

.encoder-count {
    padding: 0.38rem 0.62rem;
}

.encoder-family {
    padding: 0.34rem 0.58rem;
}

.encoder-count::before,
.encoder-family::before {
    width: 0.42rem;
    height: 0.42rem;
    border-radius: 50%;
    background: currentColor;
    content: "";
}

.encoder-count-ssl,
.family-ssl {
    color: #2563eb;
    background: #eff6ff;
}

.encoder-count-vlm,
.family-vlm {
    color: #7c3aed;
    background: #f5f3ff;
}

.encoder-count-control,
.family-control {
    color: #64748b;
    background: #f1f5f9;
}

.encoder-registry-table {
    min-width: 1280px;
}

.slide-encoder-table {
    min-width: 820px;
}

.encoder-resource-note {
    max-width: 800px;
    margin: 0 auto 2.5rem;
    color: #64748b;
    font-size: 0.86rem;
    line-height: 1.55;
    text-align: center;
}

.encoder-resource-head,
.encoder-resource-cell {
    width: 72px;
    min-width: 72px;
    padding-right: 0.55rem !important;
    padding-left: 0.55rem !important;
    text-align: center;
}

.encoder-resource-head {
    font-size: 0.72rem;
    line-height: 1.25;
    white-space: normal;
}

.encoder-resource-link {
    display: inline-flex;
    width: 34px;
    height: 34px;
    align-items: center;
    justify-content: center;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    background: #fff;
    text-decoration: none;
    box-shadow: 0 2px 6px rgb(15 23 42 / 0.04);
    transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.encoder-resource-link:hover {
    transform: translateY(-2px);
    border-color: #c7d2fe;
    background: #f8fafc;
    box-shadow: 0 7px 14px rgb(59 130 246 / 0.12);
}

.encoder-resource-link:focus-visible {
    outline: 3px solid rgb(59 130 246 / 0.28);
    outline-offset: 2px;
}

.encoder-resource-link i {
    font-size: 1.45rem;
    line-height: 1;
}

.resource-paper i {
    color: #b31b1b;
}

.resource-github i {
    color: #181717;
}

.resource-hf img {
    display: block;
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.resource-unavailable {
    display: inline-flex;
    width: 34px;
    height: 34px;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
    font-size: 1rem;
    cursor: help;
}

.encoder-registry-table .encoder-dim {
    color: #475569;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.encoder-registry-table tbody tr[data-family="ssl"] td:first-child {
    box-shadow: inset 3px 0 #60a5fa;
}

.encoder-registry-table tbody tr[data-family="vlm"] td:first-child {
    box-shadow: inset 3px 0 #a78bfa;
}

.encoder-registry-table tbody tr[data-family="control"] td:first-child {
    box-shadow: inset 3px 0 #94a3b8;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ── Results evidence browser ─────────────────────────────────── */
.results-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 5rem 2rem 6rem;
}

/* PURGE-inspired particle field, confined to the hero. */
.hero-particles {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero > :not(.hero-particles) {
    position: relative;
    z-index: 1;
}

.hero-particles canvas {
    position: absolute !important;
    inset: 0;
}

@media (prefers-reduced-motion: reduce) {
    .hero-particles {
        display: none;
    }
}

.results-heading {
    max-width: 850px;
    margin-bottom: 2.25rem;
}

.results-kicker {
    margin: 0 0 0.65rem;
    color: #4f46e5;
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.results-heading .section-title {
    margin-bottom: 0.85rem;
}

.results-heading .section-desc {
    max-width: 820px;
    margin: 0;
}

.results-summary {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.result-stat {
    min-height: 116px;
    padding: 1.15rem 1.25rem;
    border: 1px solid #dbe4f0;
    border-radius: 16px;
    background: linear-gradient(145deg, #ffffff 35%, #f8faff);
    box-shadow: 0 10px 28px -24px rgb(15 23 42 / 0.7);
}

.result-stat strong {
    display: block;
    margin-bottom: 0.35rem;
    color: #312e81;
    font-size: clamp(1.35rem, 2vw, 1.9rem);
    line-height: 1.15;
}

.result-stat span {
    color: #64748b;
    font-size: 0.86rem;
    line-height: 1.45;
}

.result-story-tabs,
.result-figure-tabs {
    display: flex;
    gap: 0.45rem;
    overflow-x: auto;
    scrollbar-width: thin;
}

.result-story-tabs {
    padding: 0.45rem;
    border: 1px solid #dbe4f0;
    border-radius: 16px 16px 0 0;
    background: #f8fafc;
}

.result-story-tab,
.result-figure-tab {
    appearance: none;
    border: 0;
    font: inherit;
    white-space: nowrap;
    cursor: pointer;
    transition: background 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

.result-story-tab {
    flex: 1 0 auto;
    padding: 0.75rem 1rem;
    border-radius: 11px;
    background: transparent;
    color: #64748b;
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.04em;
}

.result-story-tab span {
    display: block;
    margin-top: 0.16rem;
    color: inherit;
    font-size: 0.82rem;
    font-weight: 650;
    letter-spacing: 0;
}

.result-story-tab:hover,
.result-figure-tab:hover {
    color: #3730a3;
    background: #eef2ff;
}

.result-story-tab[aria-selected="true"] {
    color: #fff;
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    box-shadow: 0 7px 18px -10px rgb(79 70 229 / 0.9);
}

.result-story-tab:focus-visible,
.result-figure-tab:focus-visible,
.result-figure-action:focus-visible {
    outline: 3px solid rgb(59 130 246 / 0.4);
    outline-offset: 2px;
}

.result-story-panel {
    padding: 2rem;
    border: 1px solid #dbe4f0;
    border-top: 0;
    border-radius: 0 0 20px 20px;
    background: #fff;
    box-shadow: 0 22px 50px -38px rgb(15 23 42 / 0.65);
}

.result-story-panel[hidden],
.result-figure[hidden] {
    display: none !important;
}

@keyframes result-tab-enter {
    from {
        opacity: 0.55;
        transform: translateY(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.result-story-panel.tab-enter {
    animation: result-tab-enter 260ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.result-figure.tab-enter {
    animation: result-tab-enter 210ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

@media (prefers-reduced-motion: reduce) {
    .result-story-panel.tab-enter,
    .result-figure.tab-enter {
        animation: none;
    }
}

.result-panel-header {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1rem;
    align-items: start;
    margin-bottom: 1.4rem;
}

.result-number {
    display: grid;
    width: 2.45rem;
    height: 2.45rem;
    place-items: center;
    border-radius: 10px;
    color: #4f46e5;
    background: #eef2ff;
    font-size: 0.78rem;
    font-weight: 800;
}

.result-panel-header h3 {
    margin: 0 0 0.35rem;
    color: #0f172a;
    font-size: clamp(1.18rem, 2.4vw, 1.65rem);
    line-height: 1.25;
}

.result-panel-header p {
    max-width: 760px;
    margin: 0;
    color: #64748b;
    font-size: 0.92rem;
    line-height: 1.6;
}

.result-figure-tabs {
    margin-bottom: 1rem;
    padding-bottom: 0.15rem;
}

.result-figure-tab {
    flex: 0 0 auto;
    padding: 0.55rem 0.85rem;
    border: 1px solid #dbe4f0;
    border-radius: 999px;
    color: #64748b;
    background: #fff;
    font-size: 0.78rem;
    font-weight: 700;
}

.result-figure-tab[aria-selected="true"] {
    border-color: #c7d2fe;
    color: #3730a3;
    background: #eef2ff;
}

.result-figure {
    margin: 0;
    overflow: hidden;
    border: 1px solid #e2e8f0;
    border-radius: 15px;
    background: #fff;
}

.result-figure-toolbar {
    display: flex;
    gap: 1rem;
    align-items: center;
    justify-content: space-between;
    padding: 0.72rem 0.95rem;
    border-bottom: 1px solid #e2e8f0;
    color: #64748b;
    background: #f8fafc;
    font-size: 0.76rem;
    font-weight: 650;
}

.result-figure-action {
    flex: 0 0 auto;
    color: #4f46e5;
    text-decoration: none;
    font-weight: 750;
}

.result-figure-action:hover {
    text-decoration: underline;
}

.result-figure-stage {
    overflow: auto;
    padding: clamp(0.65rem, 2vw, 1.3rem);
    background: #fff;
}

.result-figure-stage img {
    display: block;
    width: 100%;
    height: auto;
}

.result-figure-caption {
    display: block;
    max-width: 920px;
    padding: 0.95rem 1.1rem 1.15rem;
    color: #64748b;
    font-size: 0.88rem;
    line-height: 1.65;
}

.result-figure-caption strong {
    color: #1e293b;
}

@media (max-width: 900px) {
    .results-summary {
        grid-template-columns: 1fr;
    }

    .result-stat {
        min-height: 0;
    }

    .result-story-tab {
        min-width: 132px;
    }
}

@media (max-width: 640px) {
    .results-section {
        padding: 3.5rem 1rem 4rem;
    }

    .result-story-panel {
        padding: 1rem;
    }

    .result-panel-header {
        grid-template-columns: 1fr;
    }

    .result-number {
        width: auto;
        height: auto;
        justify-self: start;
        padding: 0.35rem 0.5rem;
    }

    .result-figure-toolbar {
        align-items: flex-start;
        flex-direction: column;
        gap: 0.35rem;
    }

    .result-figure-stage img {
        min-width: 760px;
    }

    .result-figure-caption {
        font-size: 0.83rem;
    }
}