/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #3c4043;
    background-color: #ffffff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
}

.container--wide {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Header Section */
header {
    text-align: center;
    margin-bottom: 30px;
}

.title {
    font-size: 2.2rem;
    font-weight: 700;
    color: #202124;
    margin-bottom: 15px;
    line-height: 1.2;
}

.title-break {
    display: block;
}

/* Authors */
.authors {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 4px 14px;
    margin-bottom: 8px;
    overflow-wrap: break-word;
    word-break: break-word;
}

.author {
    font-size: 0.9rem;
    font-weight: 300;
    color: #3c4043;
    opacity: 0.7;
}

.author sup {
    font-size: 0.8em;
    margin-left: 2px;
}

.author a {
    color: #40BF52;
    font-weight: 300;
}

.author a:hover {
    opacity: 0.8;
}

/* Affiliations */
.affiliations {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 3px 12px;
    margin-bottom: 15px;
    overflow-wrap: break-word;
    word-break: break-word;
}

.affiliation {
    font-size: 0.8rem;
    font-style: italic;
    color: #5f6368;
    opacity: 0.5;
}

.affiliation sup {
    font-size: 0.8em;
    margin-right: 3px;
}

/* TLDR */
.tldr {
    font-size: 1rem;
    color: #5f6368;
    max-width: 800px;
    margin: 0 auto 15px;
    line-height: 1.7;
}

/* Navigation Links */
.nav-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 30px;
}

.nav-button {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    background-color: #3c4043;
    color: #ffffff;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 500;
    font-size: 0.85rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.nav-button:hover {
    background-color: #202124;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.nav-button.disabled {
    background-color: #e8eaed;
    color: #80868b;
    cursor: not-allowed;
    opacity: 0.5;
}

.nav-button.disabled:hover {
    transform: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.nav-button svg {
    width: 16px;
    height: 16px;
}

/* Sections */
section {
    margin-bottom: 60px;
}

section h2 {
    font-size: 2rem;
    font-weight: 500;
    color: #202124;
    margin-bottom: 20px;
    border-bottom: 2px solid #e8eaed;
    padding-bottom: 10px;
}

section p {
    font-size: 1rem;
    color: #5f6368;
    line-height: 1.8;
    margin-bottom: 15px;
}

section ul {
    margin-left: 25px;
    margin-bottom: 15px;
}

section li {
    font-size: 1rem;
    color: #5f6368;
    line-height: 1.8;
    margin-bottom: 8px;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 30px;
}

.feature-item {
    padding: 25px;
    background-color: #f8f9fa;
    border-radius: 12px;
    border: 1px solid #e8eaed;
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    border-color: #dadce0;
}

.feature-item h3 {
    font-size: 1.2rem;
    font-weight: 500;
    color: #202124;
    margin-bottom: 10px;
}

.feature-item p {
    font-size: 0.95rem;
    color: #5f6368;
    line-height: 1.6;
    margin-bottom: 0;
}

/* Enhanced Feature Cards */
.feature-highlight {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border: 2px solid #e8eaed;
    padding: 35px 30px;
    text-align: center;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.feature-highlight::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #40BF52 0%, #35A348 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-highlight:hover::before {
    transform: scaleX(1);
}

.feature-highlight:hover {
    border-color: #40BF52;
    box-shadow: 0 12px 28px rgba(64, 191, 82, 0.15);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 15px;
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

.feature-highlight h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: #202124;
    margin-bottom: 12px;
    white-space: nowrap;
}

.feature-stat {
    display: inline-block;
    padding: 6px 16px;
    background: linear-gradient(135deg, #40BF52 0%, #35A348 100%);
    color: white;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 15px;
    box-shadow: 0 2px 8px rgba(64, 191, 82, 0.3);
}

.feature-highlight p {
    font-size: 0.95rem;
    color: #5f6368;
    line-height: 1.7;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Environment List */
.env-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 12px;
    margin-top: 20px;
}

.env-list li {
    background-color: #f8f9fa;
    padding: 12px 15px;
    border-radius: 8px;
    border-left: 3px solid #40BF52;
}

/* Code Blocks */
.code-block {
    background-color: #f8f9fa;
    border-radius: 8px;
    padding: 20px;
    margin: 20px 0;
    overflow-x: auto;
    border: 1px solid #e8eaed;
}

.code-block pre {
    margin: 0;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
}

.code-block code {
    color: #3c4043;
}

/* Demo Video Section */
.demo-video-container {
    max-width: 900px;
    margin: 0 auto;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.demo-video-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
}

.demo-video-container video {
    width: 100%;
    height: auto;
    display: block;
    background-color: #000;
}

/* Video Section */
.video-section {
    margin-top: 50px;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.video-item {
    position: relative;
    background-color: #f8f9fa;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.video-item:hover {
    transform: translateY(-5px);
}

.video-item video {
    width: 100%;
    height: auto;
    display: block;
    cursor: pointer;
}

.video-caption {
    padding: 15px;
    text-align: center;
    font-size: 0.95rem;
    color: #5f6368;
    background-color: #fff;
}

/* Video Modal */
.video-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.7);
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
}

.video-modal-overlay.active {
    display: flex;
}

.video-modal {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    background: #000;
}

.video-modal video {
    display: block;
    max-width: 90vw;
    max-height: 90vh;
    border-radius: 10px;
}

.video-modal-close {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 10;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    line-height: 1;
}

.video-modal-close:hover {
    background: rgba(0, 0, 0, 0.9);
}

/* Footer */

footer {
    text-align: center;
    padding: 40px 0;
    border-top: 1px solid #e8eaed;
    margin-top: 80px;
}

footer p {
    color: #80868b;
    font-size: 0.9rem;
}

/* Links */
a {
    color: #40BF52;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #35A348;
}

/* Training Time Comparison */
.comparison-title {
    font-size: 1.2rem;
    margin-bottom: 20px;
    text-align: center;
}

.training-comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 25px;
}

.training-comparison-item {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    border: 1px solid #e8eaed;
}

.terrain-label {
    text-align: center;
    margin-bottom: 15px;
    color: #40BF52;
    font-size: 1rem;
}

.training-comparison-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.stat-cell {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
}

.flashsac-stat {
    color: #40BF52;
}

.baseline-stat {
    color: #999;
}

.stat-label {
    font-size: 0.9rem;
    color: #555;
    margin-top: 5px;
}

.comparison-summary {
    text-align: center;
    font-weight: 500;
    color: #40BF52;
}

/* Scaling Data Grid */
.scaling-data-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    margin-top: 30px;
}

/* Architecture image */
.architecture-img {
    max-width: 60%;
    height: auto;
}

/* All section images responsive */
section img {
    max-width: 100%;
    height: auto;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 40px 15px;
    }

    .training-comparison-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .training-comparison-item {
        padding: 15px 10px;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .stat-label {
        font-size: 0.8rem;
    }

    .terrain-label {
        font-size: 0.9rem;
        margin-bottom: 10px;
    }

    .comparison-title {
        font-size: 1.05rem;
        margin-bottom: 15px;
    }

    .comparison-summary {
        font-size: 0.85rem;
    }

    .scaling-data-grid {
        grid-template-columns: 1fr;
    }

    .title {
        font-size: 1.75rem;
    }

    .title-break {
        display: none;
    }

    section h2 {
        font-size: 1.5rem;
    }

    section h3 {
        font-size: 1.2rem !important;
    }

    .authors {
        display: block;
        text-align: center;
    }

    .authors > div {
        display: inline;
    }

    .authors .author {
        display: inline;
        line-height: 2;
        margin: 0 5px;
    }

    .affiliations {
        display: block;
        text-align: center;
    }

    .affiliation {
        display: inline;
        line-height: 2;
        margin: 0 4px;
    }

    .nav-links {
        flex-direction: row;
        justify-content: center;
        gap: 10px;
    }

    .nav-button {
        padding: 10px 18px;
        font-size: 0.85rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .env-list {
        grid-template-columns: 1fr;
    }

    .video-grid {
        grid-template-columns: 1fr;
    }

    .results-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .result-item {
        padding: 18px 15px;
    }

    .result-item h4 {
        font-size: 1.1rem;
    }

    .result-item p,
    .result-item ul li {
        font-size: 0.9rem;
    }

    .result-list {
        margin-left: 15px;
    }

    .result-sublist {
        margin-left: 15px;
    }

    .highlight-box {
        padding: 20px 15px;
    }

    .algo-box {
        padding: 15px;
    }

    .video-slider-container {
        padding: 0 40px 15px 40px;
    }

    .slider-btn {
        width: 32px;
        height: 32px;
        font-size: 18px;
    }

    .slider-btn.prev {
        left: 2px;
    }

    .slider-btn.next {
        right: 2px;
    }

    .slider-indicators {
        padding: 0;
        flex-wrap: nowrap;
        gap: 6px;
    }

    .indicator-dot {
        width: 7px;
        height: 7px;
    }

    .sim-to-real-grid {
        grid-template-columns: 1fr 1fr;
    }


    section img {
        max-width: 100% !important;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 30px 12px;
    }

    .title {
        font-size: 1.4rem;
    }

    section h2 {
        font-size: 1.3rem;
    }

    section h3 {
        font-size: 1.1rem !important;
    }

    .authors .author {
        margin: 0 3px;
        font-size: 0.9rem;
    }

    .affiliation {
        margin: 0 2px;
        font-size: 0.8rem;
    }

    .code-block {
        padding: 12px;
    }

    .code-block pre {
        font-size: 0.75rem;
    }

    .video-slider-container {
        padding: 0 35px 10px 35px;
    }

    .slider-btn {
        width: 28px;
        height: 28px;
        font-size: 16px;
    }

    .sim-to-real-grid {
        grid-template-columns: 1fr;
    }

    .result-item {
        padding: 15px 12px;
    }

    .result-item h4 {
        font-size: 1rem;
        margin-bottom: 5px;
    }

    .result-item p,
    .result-item ul li {
        font-size: 0.85rem;
        line-height: 1.6;
    }

    .result-list {
        margin-left: 12px;
    }

    .result-sublist {
        margin-left: 12px;
    }

    .training-comparison-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .training-comparison-item {
        padding: 12px 10px;
    }

    .training-comparison-stats {
        gap: 8px;
    }

    .stat-number {
        font-size: 1.3rem;
    }

    .comparison-title {
        font-size: 0.95rem;
        margin-bottom: 12px;
    }

    .comparison-summary {
        font-size: 0.8rem;
    }

    .highlight-box {
        padding: 15px 12px;
    }

    .tldr {
        font-size: 0.9rem;
    }

    .nav-links {
        gap: 8px;
    }

    .nav-button {
        padding: 8px 14px;
        font-size: 0.8rem;
        gap: 5px;
    }

    .nav-button svg {
        width: 14px;
        height: 14px;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

section {
    animation: fadeIn 0.6s ease-out;
}

/* Selection Color */
::selection {
    background-color: #40BF52;
    color: white;
}

::-moz-selection {
    background-color: #40BF52;
    color: white;
}

/* Equation Box */
.equation-box {
    background-color: #f8f9fa;
    border: 2px solid #e8eaed;
    border-radius: 8px;
    padding: 20px;
    margin: 20px 0;
    text-align: center;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.equation-box .katex-display {
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    padding: 5px 0;
}

@media (max-width: 768px) {
    .equation-box {
        padding: 15px 10px;
    }
    .equation-box .katex { font-size: 0.85em; }
}

/* Algorithm Box */
.algo-box {
    background-color: #f8f9fa;
    border-left: 4px solid #40BF52;
    border-radius: 8px;
    padding: 25px;
    margin: 20px 0;
}

.algo-box h4 {
    color: #40BF52;
    font-weight: 500;
}

.algo-box ul {
    margin-top: 10px;
}

.algo-box li {
    margin-bottom: 10px;
    line-height: 1.7;
}

/* Results Grid */
.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(350px, 100%), 1fr));
    gap: 25px;
    margin-top: 25px;
    margin-bottom: 30px;
}

.result-item {
    background-color: #f8f9fa;
    border: 1px solid #e8eaed;
    border-radius: 12px;
    padding: 25px;
    transition: all 0.3s ease;
}

.result-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
}

.result-item h4 {
    font-size: 1.3rem;
    color: #40BF52;
    margin-bottom: 8px;
    font-weight: 500;
}

.result-item p {
    font-size: 1rem;
    color: #5f6368;
    margin-bottom: 5px;
    white-space: nowrap;
}

@media (max-width: 768px) {
    .result-item p {
        white-space: normal;
    }
}

.result-item ul li {
    font-size: 1rem;
    color: #5f6368;
    line-height: 1.7;
}

.result-list {
    margin-left: 20px;
    margin-top: 10px;
}

.result-sublist {
    margin-left: 20px;
    margin-top: 5px;
}

/* Highlight Box */
.highlight-box {
    background: linear-gradient(135deg, #f8f9fa 0%, #e8f8ea 100%);
    border: 2px solid #40BF52;
    border-radius: 12px;
    padding: 30px;
    margin: 25px 0;
    box-shadow: 0 4px 12px rgba(64, 191, 82, 0.1);
}

.highlight-box h4 {
    color: #40BF52;
    font-weight: 500;
}

/* Section h3 styling */
section h3 {
    font-size: 1.5rem;
    font-weight: 500;
    color: #202124;
    margin-top: 30px;
    margin-bottom: 15px;
}

/* FlashSAC highlight */
.flashsac {
    color: #40BF52;
    font-weight: 600;
}

/* Sim-to-Real 2x2 Grid */
.sim-to-real-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.sim-to-real-grid .video-wrapper {
    display: flex;
    flex-direction: column;
}

.sim-to-real-grid video {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    background-color: #000;
}

.sim-to-real-grid video {
    cursor: pointer;
    outline: 2px solid transparent;
    outline-offset: -2px;
}

.sim-to-real-grid video:hover {
    outline: 3px solid #40BF52;
    outline-offset: -3px;
}

.sim-to-real-grid .video-caption {
    padding: 8px 10px;
    text-align: center;
    font-size: 0.75rem;
    color: #5f6368;
    background-color: transparent;
    margin-top: 5px;
    line-height: 1.3;
}

/* Video Gallery Styles */
.video-category {
    margin-bottom: 0px;
}

.video-category h3 {
    font-size: 1.3rem;
    color: #40BF52;
    margin-bottom: 20px;
    font-weight: 500;
    text-align: center;
}

.video-slider-container {
    position: relative;
    width: 100%;
    padding: 0 50px;
}

.video-slider-wrapper {
    overflow: hidden;
    width: 100%;
    user-select: none;
    -webkit-user-select: none;
}

.video-slider {
    display: flex;
    gap: 15px;
    transition: transform 0.4s ease;
}

.video-wrapper {
    flex: 0 0 calc(33.333% - 10px);
    display: flex;
    flex-direction: column;
}

.video-slider video {
    width: 100%;
    aspect-ratio: 1 / 1;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    background-color: #000;
}

/* Sim-to-Real: crop to fill 1:1 box */
#sim-to-real-slider video {
    object-fit: cover;
}

/* Natural aspect ratio for sim-to-real videos */
.video-slider.natural-ratio video {
    aspect-ratio: auto;
}

.video-slider video {
    cursor: pointer;
    outline: 2px solid transparent;
    outline-offset: -2px;
}

.video-slider video:hover {
    outline: 3px solid #40BF52;
    outline-offset: -3px;
}

.video-slider .video-caption {
    padding: 8px 10px;
    text-align: center;
    font-size: 0.75rem;
    color: #5f6368;
    background-color: transparent;
    margin-top: 5px;
    line-height: 1.3;
    word-break: break-word;
}

.caption-sim {
    font-size: 0.7rem;
    color: #9aa0a6;
}

.slider-btn {
    position: absolute;
    top: calc(50% - 50px);
    transform: translateY(-50%);
    background-color: #3c4043;
    color: white;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    z-index: 10;
}

.slider-btn.prev {
    left: 5px;
}

.slider-btn.next {
    right: 5px;
}

.slider-btn:hover {
    background-color: #202124;
    transform: translateY(-50%) scale(1.1);
}

.slider-btn:active {
    transform: translateY(-50%) scale(0.95);
}

.slider-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.slider-btn:disabled:hover {
    background-color: #3c4043;
    transform: translateY(-50%);
}

/* Slider Indicators */
/* .slider-indicators {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 20px;
    padding: 0 20px;
}

.indicator-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #dadce0;
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator-dot:hover {
    background-color: #bdc1c6;
    transform: scale(1.2);
}

.indicator-dot.active {
    background-color: #40BF52;
    transform: scale(1.3);
} */

/* Video + learning curve side-by-side layout */
.video-curve-layout {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 32px;
    align-items: start;
}

.sim-to-real-curve-layout,
.stair-curve-layout {
    align-items: center;
}

.stair-caption-row {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 32px;
    margin-top: 8px;
    text-align: center;
}


.video-carousel-panel {
    min-width: 0;
}

.learning-curve-panel {
    /* top edge aligns with carousel top via align-items: start */
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.learning-curve-img {
    width: 100%;
    height: auto;
    display: block;
}

/* Sim-to-Real stair solo video */
.sim-to-real-stair {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.sim-to-real-stair .video-wrapper {
    width: 340px;
}

.sim-to-real-stair video {
    width: 100%;
    aspect-ratio: 1 / 1;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    background-color: #000;
    display: block;
}

.sim-to-real-stair .video-caption {
    padding: 8px 10px;
    text-align: center;
    font-size: 0.75rem;
    color: #5f6368;
    margin-top: 5px;
}

@media (max-width: 768px) {
    .video-curve-layout {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .sim-to-real-stair .video-wrapper {
        width: 100%;
        max-width: 340px;
    }
}


.curve-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

/* Stair standalone video */
.sim-to-real-stair-panel {
    width: 100%;
    align-self: center;
}

.stair-curve-layout .learning-curve-panel {
    align-self: center;
}

.sim-to-real-stair-panel .video-wrapper {
    width: 100%;
}

.sim-to-real-stair-panel video {
    width: 80%;
    margin: 0 auto;
    aspect-ratio: 16 / 9;
    object-fit: fill;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    background-color: #000;
    display: block;
    cursor: pointer;
    outline: 2px solid transparent;
    outline-offset: -2px;
    transition: all 0.3s ease;
}

.sim-to-real-stair-panel video:hover {
    outline: 3px solid #40BF52;
    outline-offset: -3px;
}

.curve-env-label {
    font-size: 0.75rem;
    color: #5f6368;
    text-align: center;
    line-height: 1.3;
}

/* Responsive video slider */
@media (max-width: 768px) {
    .video-slider .video-wrapper {
        flex: 0 0 calc(50% - 7.5px);
    }
}

@media (max-width: 480px) {
    .video-slider .video-wrapper {
        flex: 0 0 100%;
    }

    .video-slider {
        gap: 0;
    }

    .slider-indicators {
        gap: 4px;
    }

    .indicator-dot {
        width: 6px;
        height: 6px;
    }
}