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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
            background: #f5f7fb;
            color: #333;
            line-height: 1.6;
        }

        .scroll-progress {
            position: fixed;
            top: 0;
            left: 0;
            z-index: 2000;
            width: 0%;
            height: 3px;
            background: linear-gradient(90deg, #007bff, #5bc0de);
            box-shadow: 0 0 12px rgba(0, 123, 255, 0.35);
        }

        .container {
            position: relative;
            z-index: 1;
            max-width: 1040px;
            margin: 0 auto;
            padding: 40px 20px;
        }

        header {
            position: relative;
            isolation: isolate;
            min-height: 60vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
            text-align: center;
            margin-bottom: 16px;
            padding-bottom: 0;
        }

        header::before {
            content: "";
            position: absolute;
            left: 50%;
            top: 52%;
            width: min(1660px, 160vw);
            height: 1000px;
            z-index: 1;
            pointer-events: none;
            background:
                radial-gradient(ellipse at 30% 47%, rgba(255, 226, 145, 0.34) 0%, rgba(255, 240, 190, 0.17) 40%, rgba(255, 248, 224, 0) 78%),
                radial-gradient(ellipse at 70% 50%, rgba(142, 203, 255, 0.42) 0%, rgba(202, 230, 255, 0.24) 43%, rgba(232, 244, 255, 0) 80%),
                radial-gradient(ellipse at 52% 54%, rgba(221, 238, 255, 0.18) 0%, rgba(255, 246, 218, 0.08) 38%, rgba(245, 247, 251, 0) 76%);
            filter: blur(40px);
            transform: translate(-50%, -50%);
        }

        header > * {
            position: relative;
            z-index: 2;
        }

        .hero-canvas {
            position: fixed;
            inset: 0;
            z-index: 0;
            width: 100vw;
            height: 100vh;
            opacity: 0.46;
            pointer-events: none;
            -webkit-mask-image: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.62) 48%, transparent 78%);
            mask-image: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.88) 0%, rgba(0, 0, 0, 0.42) 52%, transparent 78%);
        }

        .hero-canvas.playing {
            z-index: 3;
            opacity: 0.5;
        }

        @keyframes revealTitle {
            from {
                opacity: 0;
                transform: translateY(15px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes revealSubtitle {
            from {
                opacity: 0;
                transform: translateX(-10px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(14px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes titleSheen {
            0%, 100% {
                text-shadow: 0 0 0 rgba(49, 95, 146, 0);
            }
            50% {
                text-shadow:
                    0 0 14px rgba(151, 207, 255, 0.24),
                    0 0 22px rgba(255, 224, 132, 0.16);
            }
        }

        header h1 {
            margin-bottom: 18px;
            color: #222;
            line-height: 1.18;
        }

        .title-lockup {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: clamp(14px, 2.2vw, 24px);
            margin-bottom: 12px;
        }

        .hero-logo {
            width: clamp(78px, 9vw, 118px);
            height: auto;
            flex: 0 0 auto;
            filter: drop-shadow(0 10px 22px rgba(21, 70, 102, 0.16));
        }

        .title-main {
            display: inline-flex;
            margin-bottom: 0;
            font-size: clamp(3.6rem, 6.8vw, 5.1rem);
            font-weight: 830;
            letter-spacing: -2.4px;
            color: #111827;
            animation: titleSheen 8s ease-in-out 2.2s infinite;
        }

        .title-char {
            display: inline-block;
            opacity: 0;
            animation: revealTitle 1.5s forwards;
        }

        .title-char:nth-child(1) {
            animation-delay: 0s;
        }

        .title-char:nth-child(2) {
            animation-delay: 0.1s;
        }

        .title-char:nth-child(3) {
            animation-delay: 0.2s;
        }

        .title-char:nth-child(4) {
            animation-delay: 0.3s;
        }

        .title-sub {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0 0.32em;
            max-width: 1120px;
            margin: 0 auto;
            font-size: clamp(1.75rem, 3.2vw, 2.35rem);
            font-weight: 780;
            line-height: 1.16;
            letter-spacing: -0.55px;
            color: #202124;
            animation: titleSheen 9s ease-in-out 2.5s infinite;
        }

        .subtitle-word {
            display: inline-flex;
            white-space: nowrap;
        }

        .subtitle-char {
            display: inline-block;
            opacity: 0;
            animation: revealSubtitle 1s forwards;
            animation-delay: calc(0.5s + var(--i) * 0.05s);
        }

        .authors {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 8px 20px;
            margin-bottom: 12px;
        }

        .author {
            color: #007bff;
            font-size: 18px;
            text-decoration: none;
        }

        .author:hover {
            color: #0056b3;
            text-decoration: underline;
        }

        .affiliation,
        .email {
            margin-bottom: 8px;
            color: #666;
            font-size: 14px;
        }

        .paper-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
            margin: 24px 0 22px;
        }

        .paper-link {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 18px;
            border: 2px solid #dee2e6;
            border-radius: 8px;
            background: #fff;
            color: #333;
            font-size: 14px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.2s ease;
        }

        .paper-link:hover {
            border-color: #007bff;
            background: #007bff;
            color: white;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0, 123, 255, 0.25);
        }

        .paper-link.disabled {
            opacity: 0.62;
            cursor: default;
            pointer-events: none;
        }

        .paper-link svg,
        .paper-link img {
            width: 20px;
            height: 20px;
            object-fit: contain;
            fill: currentColor;
        }

        .logos {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 44px;
            margin: 18px 0 8px;
        }

        .logos img {
            width: auto;
            max-width: 180px;
            height: 42px;
            object-fit: contain;
        }

        .logos img[alt="CURLY Lab Logo"] {
            height: 62px;
        }

        .floating-nav {
            position: fixed;
            top: 50%;
            left: 20px;
            z-index: 1000;
            transform: translateY(-50%);
        }

        .nav-menu {
            display: flex;
            flex-direction: column;
            gap: 4px;
            min-width: 132px;
            padding: 12px 10px;
            border: 1px solid rgba(0, 123, 255, 0.12);
            border-radius: 14px;
            background: rgba(255, 255, 255, 0.82);
            box-shadow: 0 8px 24px rgba(15, 23, 42, 0.09);
            backdrop-filter: blur(10px);
        }

        .nav-link {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 7px 9px;
            border-radius: 999px;
            color: #666;
            font-size: 13px;
            font-weight: 500;
            text-decoration: none;
            transition: all 0.2s ease;
        }

        .nav-link::before {
            content: "";
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #cbd5e1;
            transition: all 0.2s ease;
        }

        .nav-link:hover,
        .nav-link.active {
            background: #eef6ff;
            color: #0056b3;
        }

        .nav-link:hover::before,
        .nav-link.active::before {
            background: #007bff;
            box-shadow: 0 0 0 4px rgba(0, 123, 255, 0.12);
        }

        .section {
            margin-bottom: 0;
            padding: 46px 0;
            border: 0;
            border-top: 1px solid #e2e8f0;
            border-radius: 0;
            background: transparent;
            box-shadow: none;
        }

        .section:first-of-type {
            border-top: 0;
            padding-top: 28px;
        }

        .reveal {
            opacity: 0;
            transform: translateY(28px);
            transition: opacity 650ms ease, transform 650ms ease, box-shadow 250ms ease;
            will-change: opacity, transform;
        }

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

        .section h2 {
            margin-bottom: 18px;
            color: #222;
            font-size: 28px;
            text-align: center;
        }

        .section h3 {
            margin: 28px 0 14px;
            color: #222;
            font-size: 22px;
            text-align: center;
        }

        .section p {
            margin-bottom: 16px;
            color: #444;
            font-size: 16px;
            text-align: justify;
        }

        .figure-section {
            margin: 28px 0 34px;
            text-align: center;
        }

        #overview-section .figure-section {
            padding: 18px;
            border: 1px solid #e2e8f0;
            border-radius: 14px;
            background: #fbfdff;
        }

        .figure-section img,
        .wide-figure {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            background: white;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
        }

        .image-credit {
            margin-top: 12px;
            color: #666;
            font-size: 13px;
            text-align: center;
        }

        .overview-copy {
            max-width: 920px;
            margin: 26px auto 0;
        }

        .overview-copy p {
            text-align: justify;
        }

        .highlight-grid,
        .results-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
            margin-top: 22px;
        }

        .highlight-card,
        .result-card {
            padding: 20px;
            border: 1px solid #e1e5ea;
            border-radius: 10px;
            background: #f8f9fa;
            transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
        }

        .highlight-card:hover,
        .result-card:hover,
        .media-card:hover {
            transform: translateY(-3px);
            border-color: #c8ddf5;
            box-shadow: 0 8px 20px rgba(15, 23, 42, 0.09);
        }

        .highlight-card h3,
        .result-card h3 {
            margin: 0 0 10px;
            color: #007bff;
            font-size: 18px;
            text-align: left;
        }

        .highlight-card p,
        .result-card p {
            margin-bottom: 0;
            color: #555;
            font-size: 15px;
            text-align: left;
        }

        .metric {
            margin-bottom: 8px;
            color: #0f172a;
            font-size: 38px;
            font-weight: 800;
            line-height: 1.1;
        }

        .metric small {
            display: block;
            margin-top: 4px;
            color: #64748b;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.02em;
        }

        .method-intro {
            max-width: 880px;
        }

        .method-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
            padding: 7px 11px;
            border: 1px solid #dbeafe;
            border-radius: 999px;
            background: rgba(239, 246, 255, 0.78);
            color: #315f92;
            font-size: 12px;
            font-weight: 800;
            letter-spacing: 0.08em;
            text-transform: uppercase;
        }

        .method-stepper-wrap {
            position: relative;
            margin-top: 42px;
            padding: 28px;
            border: 1px solid rgba(191, 219, 254, 0.86);
            border-radius: 28px;
            background:
                radial-gradient(circle at 12% 0%, rgba(255, 226, 145, 0.22), transparent 30%),
                radial-gradient(circle at 88% 8%, rgba(142, 203, 255, 0.22), transparent 34%),
                linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(248, 251, 255, 0.9));
            box-shadow: 0 24px 58px rgba(15, 23, 42, 0.1);
        }

        .method-pipeline-heading {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 24px;
        }

        .method-pipeline-heading span {
            color: #315f92;
            font-size: 12px;
            font-weight: 900;
            letter-spacing: 0.12em;
            text-transform: uppercase;
        }

        .method-pipeline-heading p {
            max-width: 560px;
            margin: 0;
            color: #0f172a;
            font-size: 22px;
            font-weight: 850;
            line-height: 1.25;
            letter-spacing: -0.035em;
            text-align: right;
        }

        .method-stepper {
            position: relative;
            display: grid;
            grid-template-columns: repeat(5, minmax(0, 1fr));
            gap: 12px;
            margin: 0 0 22px;
        }

        .method-stepper::before {
            content: "";
            position: absolute;
            left: 8%;
            right: 8%;
            top: 34px;
            height: 3px;
            background: linear-gradient(90deg, rgba(49, 95, 146, 0.16), rgba(49, 95, 146, 0.36), rgba(49, 95, 146, 0.16));
        }

        .method-step {
            position: relative;
            z-index: 1;
            min-height: 130px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
            padding: 0 8px;
            border: 0;
            background: transparent;
            color: #64748b;
            font: inherit;
            text-align: center;
            cursor: pointer;
        }

        .step-index {
            width: 68px;
            height: 68px;
            display: grid;
            place-items: center;
            border: 1px solid rgba(147, 197, 253, 0.92);
            border-radius: 22px;
            background: linear-gradient(135deg, #ffffff, #eff6ff);
            color: #315f92;
            font-size: 16px;
            font-weight: 900;
            box-shadow: 0 14px 30px rgba(49, 95, 146, 0.12);
            transition: transform 220ms ease, box-shadow 220ms ease, background 220ms ease, border-color 220ms ease;
        }

        .step-title {
            max-width: 130px;
            color: #334155;
            font-size: 14px;
            font-weight: 800;
            line-height: 1.25;
            transition: color 220ms ease;
        }

        .method-step:hover .step-index,
        .method-step.active .step-index {
            border-color: rgba(49, 95, 146, 0.36);
            background: linear-gradient(135deg, #315f92, #4d86c6);
            color: #ffffff;
            box-shadow: 0 20px 40px rgba(49, 95, 146, 0.22);
            transform: translateY(-6px);
        }

        .method-step:hover .step-title,
        .method-step.active .step-title {
            color: #0f172a;
        }

        .method-detail-card {
            min-height: 180px;
            padding: 30px;
            border: 1px solid rgba(191, 219, 254, 0.74);
            border-radius: 24px;
            background:
                radial-gradient(circle at 12% 10%, rgba(142, 203, 255, 0.24), transparent 34%),
                linear-gradient(135deg, #ffffff, #f8fbff);
            box-shadow: 0 20px 48px rgba(15, 23, 42, 0.1);
            transition: opacity 180ms ease, transform 180ms ease;
        }

        .method-detail-card.updating {
            opacity: 0.56;
            transform: translateY(4px);
        }

        .method-detail-eyebrow {
            margin-bottom: 8px;
            color: #315f92;
            font-size: 12px;
            font-weight: 900;
            letter-spacing: 0.08em;
            text-transform: uppercase;
        }

        .method-detail-title {
            margin: 0 0 10px;
            color: #0f172a;
            font-size: 24px;
            letter-spacing: -0.03em;
        }

        .method-detail-text {
            max-width: 780px;
            margin: 0;
            color: #475569;
            font-size: 16px;
            line-height: 1.7;
        }

        .method-math-details {
            margin-top: 24px;
            padding-top: 22px;
            border-top: 1px solid rgba(191, 219, 254, 0.76);
        }

        .method-math-title {
            color: #315f92;
            font-size: 14px;
            font-weight: 900;
            letter-spacing: 0.08em;
            text-transform: uppercase;
        }

        .math-formulas {
            display: grid;
            gap: 12px;
            margin-top: 12px;
            color: #475569;
        }

        .math-formulas p {
            max-width: 760px;
            margin: 0;
            color: #64748b;
            font-size: 14px;
            line-height: 1.7;
        }

        .formula-list {
            display: grid;
            gap: 12px;
        }

        .formula-row {
            display: grid;
            grid-template-columns: 150px minmax(0, 1fr);
            align-items: center;
            gap: 18px;
            padding: 15px 17px;
            border: 1px solid rgba(191, 219, 254, 0.76);
            border-radius: 16px;
            background:
                radial-gradient(circle at 8% 10%, rgba(142, 203, 255, 0.12), transparent 34%),
                rgba(255, 255, 255, 0.72);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
        }

        .formula-label {
            color: #315f92;
            font-size: 12px;
            font-weight: 900;
            letter-spacing: 0.08em;
            text-transform: uppercase;
        }

        .formula {
            overflow-x: auto;
            color: #0f172a;
            font-family: Georgia, "Times New Roman", serif;
            font-size: 22px;
            font-style: italic;
            line-height: 1.5;
            white-space: nowrap;
        }

        .formula sub,
        .formula sup {
            font-size: 0.58em;
            line-height: 0;
        }

        .sum-symbol {
            display: inline-block;
            margin: 0 4px;
            font-size: 1.4em;
            line-height: 0.8;
            vertical-align: -0.08em;
        }

        .formula-note {
            color: #64748b;
            font-size: 13px;
            line-height: 1.65;
        }

        .vis-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 16px;
            margin-top: 22px;
        }

        .video-grid {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 14px;
            margin: 18px 0 34px;
        }

        .video-card {
            background: #ffffff;
        }

        .video-card video {
            display: block;
            width: 100%;
            height: 160px;
            object-fit: contain;
            border-bottom: 1px solid #e5edf7;
            background:
                radial-gradient(circle at 24% 18%, rgba(255, 226, 145, 0.2), transparent 34%),
                radial-gradient(circle at 78% 14%, rgba(142, 203, 255, 0.22), transparent 38%),
                #f8fbff;
        }

        .strip-details {
            margin-top: 6px;
            border: 1px solid #dbe8f6;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.72);
        }

        .strip-details summary {
            cursor: pointer;
            padding: 14px 16px;
            color: #1f2937;
            font-size: 15px;
            font-weight: 800;
            list-style: none;
        }

        .strip-details summary::-webkit-details-marker {
            display: none;
        }

        .strip-details summary::after {
            content: "+";
            float: right;
            color: #007bff;
            font-size: 18px;
            line-height: 1;
        }

        .strip-details[open] summary {
            border-bottom: 1px solid #e5edf7;
        }

        .strip-details[open] summary::after {
            content: "-";
        }

        .strip-details .vis-grid {
            padding: 0 16px 16px;
        }

        .visual-group-title {
            grid-column: 1 / -1;
            margin: 10px 0 -4px;
            padding: 8px 12px;
            border-left: 4px solid #007bff;
            border-radius: 6px;
            background: #f1f7ff;
            color: #1f2937;
            font-size: 15px;
            font-weight: 800;
            text-align: left;
        }

        .ablation-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin-top: 22px;
        }

        .media-card {
            overflow: hidden;
            border: 1px solid #e1e5ea;
            border-radius: 10px;
            background: #f8f9fa;
            transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
        }

        .media-card img {
            display: block;
            width: 100%;
            height: 210px;
            object-fit: contain;
            background: white;
        }

        .vis-grid .media-card img {
            height: auto;
            max-height: none;
            padding: 10px;
        }

        .ablation-grid .media-card img {
            height: 300px;
        }

        .media-caption {
            padding: 10px 12px;
            color: #555;
            font-size: 14px;
            text-align: center;
        }

        .table-wrap {
            margin-top: 20px;
            overflow-x: auto;
            border: 1px solid #dee2e6;
            border-radius: 8px;
            background: #fff;
        }

        .result-table {
            width: 100%;
            min-width: 720px;
            border-collapse: collapse;
            font-size: 14px;
        }

        .result-table th,
        .result-table td {
            padding: 10px 12px;
            border-bottom: 1px solid #e9ecef;
            text-align: center;
            white-space: nowrap;
        }

        .result-table th {
            background: #f8f9fa;
            color: #333;
            font-weight: 700;
        }

        .result-table td:first-child,
        .result-table th:first-child {
            text-align: left;
        }

        .result-table tr:last-child td {
            border-bottom: 0;
        }

        .best-row td {
            background: #effaf5;
        }

        .best-row td:first-child {
            border-left: 4px solid #12b886;
            font-weight: 800;
        }

        .best {
            color: #087f5b;
            font-weight: 800;
        }

        .citation-box {
            overflow-x: auto;
            padding: 20px;
            border: 1px solid #dee2e6;
            border-radius: 8px;
            background: #f8f9fa;
        }

        .citation-text {
            color: #333;
            font-family: "Courier New", monospace;
            font-size: 13px;
            line-height: 1.45;
            white-space: pre;
        }

        @media (prefers-reduced-motion: reduce) {
            html {
                scroll-behavior: auto;
            }

            .title-main,
            .title-char,
            .title-sub,
            .subtitle-word,
            .subtitle-char,
            .authors,
            .affiliation,
            .email,
            .paper-links,
            .logos,
            .reveal {
                animation: none;
                opacity: 1;
                transform: none;
                transition: none;
                filter: none;
            }

            .title-main,
            .title-sub {
                color: #111827;
                text-shadow: none;
            }

            .paper-link,
            .highlight-card,
            .result-card,
            .media-card {
                transition: none;
            }

            .hero-canvas {
                display: none;
            }
        }

        .license-content {
            text-align: center;
        }

        .license-link {
            color: #007bff;
            font-weight: 500;
            text-decoration: none;
        }

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

        @media (max-width: 1200px) {
            .floating-nav {
                display: none;
            }
        }

        @media (max-width: 820px) {
            .container {
                padding: 24px 14px;
            }

            .title-lockup {
                gap: 12px;
            }

            .hero-logo {
                width: 64px;
            }

            .title-main {
                font-size: 36px;
                letter-spacing: -1.6px;
            }

            .hero-canvas {
                display: none;
            }

            .title-sub {
                font-size: 23px;
                line-height: 1.16;
            }

            header {
                min-height: 58vh;
            }

            .section {
                padding: 24px 18px;
            }

            .highlight-grid,
            .results-grid,
            .method-stepper,
            .video-grid,
            .vis-grid,
            .ablation-grid {
                grid-template-columns: 1fr;
            }

            .method-stepper-wrap {
                margin-top: 32px;
                padding: 20px;
                border-radius: 22px;
            }

            .method-pipeline-heading {
                display: block;
                margin-bottom: 18px;
            }

            .method-pipeline-heading p {
                margin-top: 8px;
                font-size: 19px;
                text-align: left;
            }

            .method-stepper::before {
                display: none;
            }

            .method-step {
                min-height: auto;
                display: grid;
                grid-template-columns: 52px 1fr;
                align-items: center;
                padding: 10px;
                border: 1px solid #dbeafe;
                border-radius: 16px;
                background: rgba(255, 255, 255, 0.76);
                text-align: left;
            }

            .step-index {
                width: 42px;
                height: 42px;
                border-radius: 14px;
            }

            .step-title {
                max-width: none;
            }

            .method-detail-card {
                min-height: auto;
                padding: 22px;
            }

            .formula-row {
                grid-template-columns: 1fr;
                gap: 8px;
            }

            .formula {
                font-size: 18px;
            }

            .media-card img,
            .video-card video,
            .ablation-grid .media-card img {
                height: auto;
            }
        }