:root {
            --video-frame-radius: clamp(18px, 3vw, 38px);
            --video-frame-corner-length: clamp(24px, 8vw, 90px);
            --video-frame-outline-offset: 10px;
            --video-frame-outline-inner-offset: -4px;
            --video-frame-padding: clamp(6px, 0px, 6px);
        }


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

        html {
            overflow-x: hidden;
            /* Hide scrollbar for IE, Edge and Firefox */
            -ms-overflow-style: none;  /* IE and Edge */
            scrollbar-width: none;  /* Firefox */
        }

        /* Hide scrollbar for Chrome, Safari and Opera */
        html::-webkit-scrollbar {
            display: none;
        }

        body {
            margin: 0;
            font-family: "new-science", system-ui, -apple-system, Segoe UI, Roboto, Inter, Arial, sans-serif;
            background-color: #000;
            background-image: url('assets/web-bgs/D+fondo_para_web_01.webp');
            /* Make the background cover the full viewport and move with the page scroll */
            background-position: top center;
            background-repeat: no-repeat;
            background-size: cover;
            background-attachment: scroll;
            min-height: 100vh;
            overflow-x: hidden;
            position: relative;
            width: 100%;
        }

        body.is-loading,
        html.no-scroll,
        body.no-scroll {
            overflow: hidden !important;
            height: 100% !important;
        }

        /* ER logo top-left */
        .er-logo {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2000;
            pointer-events: none;
            padding: 8px 12px;
        }

        .er-logo img {
            height: clamp(12px, 2.4vw, 28px);
            width: auto;
            display: block;
            filter: brightness(0) invert(1);
            opacity: 0.5;
        }

        #bg-transition-root {
            position: absolute;
            inset: 0;
            pointer-events: none;
            z-index: -1;
        }

        .bg-transition-layer {
            position: absolute;
            inset: 0;
            background-position: top center;
            background-repeat: no-repeat;
            background-size: cover;
            opacity: 0;
            transition: opacity 2s ease-in-out;
            will-change: opacity;
        }

        .bg-transition-layer.is-visible {
            opacity: 1;
        }

        /* Video sections - full viewport height and centered content
              Sections are separate blocks and their inner frames occupy 95vw */
        .video-section {
            width: 100%;
            min-height: 100vh;
            position: relative;
            overflow-x: hidden;
            overflow-y: visible;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            padding: 40px 0;
            box-sizing: border-box;
        }

        .video-section.hero {
            overflow: hidden;
        }

        .video-section video {
            display: block;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        #splat-container,
        #main-video-section {
            transition: opacity 450ms ease;
        }

        body.is-splat-priority #main-video-section {
            opacity: 0;
            pointer-events: none;
            visibility: hidden;
        }

        body.is-video-priority #main-video-section {
            opacity: 1;
            pointer-events: auto;
            visibility: visible;
        }

        body.is-video-priority #splat-container {
            opacity: 0;
            pointer-events: none;
        }

        body.is-splat-priority #splat-container {
            opacity: 1;
            pointer-events: auto;
        }

        /* Loader overlay appears before the homepage renders */
        #page-loader {
            position: fixed;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: radial-gradient(circle at center, rgba(0, 0, 0, 0.94), #000 65%);
            z-index: 100000;
            transition: opacity 500ms ease, visibility 500ms ease;
            overflow: hidden;
        }

        #page-loader::after {
            content: '';
            position: absolute;
            inset: 0;
            background: #000;
            border-radius: var(--video-frame-radius);
            opacity: 0;
            transition: opacity 800ms ease;
            pointer-events: none;
            z-index: 2;
        }

        #page-loader.is-blackout::after {
            opacity: 1;
        }

        #page-loader.is-blackout video {
            opacity: 0;
        }

        #page-loader.is-hidden {
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
        }

        #page-loader video {
            width: clamp(110px, 9vw, 260px);
            height: auto;
            position: relative;
            z-index: 1;
            transition: opacity 400ms ease;
        }

        #loader-counter {
            position: absolute;
            inset: auto;
            color: #fff;
            font-family: "new-science", system-ui, -apple-system, Segoe UI, Roboto, Inter, Arial, sans-serif;
            font-size: clamp(22px, 5vw, 40px);
            font-weight: 700;
            letter-spacing: 0.08em;
            z-index: 3;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.55);
        }

        /* Entry gate shown after loader */
        #entry-gate {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.3);
            z-index: 99990;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 1;
            pointer-events: none;
            transition: opacity 900ms ease;
        }

        #entry-gate.is-fading {
            opacity: 0;
            pointer-events: none;
        }

        #entry-gate.is-interactive {
            pointer-events: auto;
        }

        #entry-gate button {
            font-family: "new-science", system-ui, -apple-system, Segoe UI, Roboto, Inter, Arial, sans-serif;
            font-size: clamp(18px, 3vw, 28px);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: #FBFE5E;
            background: transparent;
            border: 2px solid #FBFE5E;
            padding: 14px 48px;
            border-radius: 999px;
            cursor: pointer;
            outline: none;
            transition: opacity 240ms ease, transform 240ms ease;
            opacity: 0;
            pointer-events: none;
        }

        #entry-gate button:hover {
            transform: scale(1.02);
        }

        #entry-gate button:active {
            transform: scale(0.99);
        }

        #entry-gate button.is-hiding {
            opacity: 0;
            transform: scale(0.95);
            pointer-events: none;
        }

        #entry-gate.is-interactive button {
            opacity: 1;
            pointer-events: auto;
        }

        /* Video wrapper with rounded corners and overflow hidden */
        .video-wrapper {
            position: relative;
            width: 100%;
            height: 100%;
            border-radius: var(--video-frame-radius);
            overflow: hidden;
            z-index: 1;
        }

        /* Floating island - centered on first section with higher z-index */
        .floating-island {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 10;
            isolation: isolate;
            /* keep blend modes local so black pixels can lighten instead of showing solid */
            /* allow clicks on the island so it can enable audio */
            pointer-events: auto;
            /* cursor: pointer; */
            overflow: visible;
        }

        .floating-island::before {
            content: '';
            position: absolute;
            inset: -14%;
            background: url('assets/nube.png') center center / contain no-repeat;
            mix-blend-mode: lighten;
            opacity: 0;
            filter: hue-rotate(-8deg) saturate(1.05) brightness(1.06);
            animation: cloudTintCycle 20s ease-in-out infinite alternate, cloudDrift 32s ease-in-out infinite alternate;
            animation-play-state: paused;
            transition: opacity 1100ms ease;
            pointer-events: none;
            z-index: 1;
        }

        .floating-island::after {
            content: '';
            position: absolute;
            inset: -14%;
            background: url('assets/nube.png') center center / contain no-repeat;
            mix-blend-mode: lighten;
            opacity: 0;
            filter: hue-rotate(-8deg) saturate(1.05) brightness(1.04);
            animation: cloudTintCycle 20s ease-in-out infinite alternate, cloudDriftFlip 32s ease-in-out infinite alternate;
            animation-play-state: paused;
            transition: opacity 1200ms ease;
            pointer-events: none;
            z-index: 1;
        }

        .floating-island.cloud1-visible::before {
            opacity: 0.3;
            animation-play-state: running;
        }

        .floating-island.cloud2-visible::after {
            opacity: 0.26;
            animation-play-state: running;
        }

        @media (max-width: 768px) {

            .floating-island::before,
            .floating-island::after {
                background-size: 180%;
            }

            .cards-row {
                grid-template-columns: 1fr;
                /* Stack cards vertically on mobile */
                max-width: 280px;
                /* Limit width for better look */
                margin: 0 auto;
            }
        }

        @keyframes cloudTintCycle {
            0% {
                opacity: 0.2;
                filter: hue-rotate(-12deg) sa turate(0.95) brightness(1.02);
            }

            50% {
                opacity: 0.42;
                filter: hue-rotate(24deg) saturate(1.25) brightness(1.12);
            }

            100% {
                opacity: 0.26;
                filter: hue-rotate(-18deg) saturate(1.05) brightness(1.08);
            }
        }

        @keyframes cloudDrift {
            0% {
                transform: translateX(-12%) scale(1.2);
            }

            100% {
                transform: translateX(12%) scale(1.2);
            }
        }

        @keyframes cloudDriftFlip {
            0% {
                transform: translateX(12%) scale(1.2) scaleY(-1);
            }

            100% {
                transform: translateX(-12%) scale(1.2) scaleY(-1);
            }
        }

        #splat-overlay {
            cursor: auto;
            pointer-events: none;
        }

        #splat-container {
            opacity: 0;
            transition: opacity 1200ms ease;
            pointer-events: none;
        }

        #splat-container.is-visible {
            opacity: 1;
            pointer-events: auto;
        }

        /* Birds overlay above the island iframe */
        #birds-overlay {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            pointer-events: none;
            z-index: 12;
            opacity: 0;
            transition: opacity 600ms ease;
        }

        #birds-overlay.is-active {
            opacity: 1;
        }

        #birds-overlay video {
            width: 100%;
            height: 100%;
            object-fit: contain;
            /* Keep birds roughly 15% above center on wide viewports */
            transform: translateY(-15%);
        }

        /* When viewport is taller than wide, lift less so birds stay visible */
        @media (max-aspect-ratio: 1/1) {
            #birds-overlay video {
                transform: translateY(-8%);
            }
        }

        #spark-canvas {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 13;
        }

        /* Floating island transitions */
        .floating-island,
        .floating-island canvas {
            transition: transform 320ms ease;
            transform-origin: center center;
            will-change: transform;
        }

        .floating-island canvas {
            display: block;
            width: 100%;
            height: 100%;
            pointer-events: auto;
            cursor: pointer;
            position: relative;
            z-index: 2;
        }

        /* Video frame container - flow layout and centered
           (no absolute positioning so sections don't overlap/crop) */
        .video-frame-container {
            position: relative;
            width: 100%;
            max-width: none;
            z-index: 10;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            box-sizing: border-box;
            padding: 8px 0;
            gap: 12px;
        }

        /* Content container for third section */
        .content-container {
            position: relative;
            width: 100%;
            max-width: none;
            z-index: 10;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 24px;
            box-sizing: border-box;
            padding: 8px 0;
        }

        .content-container .video-frame-container {
            position: relative;
            width: 100%;
            box-sizing: border-box;
        }

        /* Frame image as background */
        .video-frame {
            position: relative;
            width: 84vw;
            max-width: 84vw;
            aspect-ratio: 16/9;
            margin: 0 auto;
            padding: 0;
            overflow: visible;
            box-sizing: border-box;
            border-radius: var(--video-frame-radius);
        }

        /* Overlay graphic instead of corner borders */
        .video-frame::after {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/marco-videos.webp') center center / 100% 100% no-repeat;
            border-radius: inherit;
            pointer-events: none;
            z-index: 4;
        }



        .video-frame::before {
            display: none;
        }

        .video-frame .frame-corner {
            display: none;
            position: absolute;
            width: var(--video-frame-corner-length);
            height: var(--video-frame-corner-length);
            border: 3px solid #FBFE5E;
            box-sizing: border-box;
            pointer-events: none;
            z-index: 3;
            box-shadow:
                0 0 10px rgba(255, 255, 94, 0.7),
                0 0 22px rgba(255, 255, 94, 0.45);
        }

        .video-frame .frame-corner.top-left {
            top: 0;
            left: 0;
            transform: translate(-5%, -5%);
            border-top-color: #FBFE5E;
            border-left-color: #FBFE5E;
            border-right-color: transparent;
            border-bottom-color: transparent;
            border-top-left-radius: var(--video-frame-radius);
        }

        .video-frame .frame-corner.top-right {
            top: 0;
            right: 0;
            transform: translate(5%, -5%);
            border-top-color: #FBFE5E;
            border-right-color: #FBFE5E;
            border-left-color: transparent;
            border-bottom-color: transparent;
            border-top-right-radius: var(--video-frame-radius);
        }

        .video-frame .frame-corner.bottom-left {
            bottom: 0;
            left: 0;
            transform: translate(-5%, 5%);
            border-bottom-color: #FBFE5E;
            border-left-color: #FBFE5E;
            border-top-color: transparent;
            border-right-color: transparent;
            border-bottom-left-radius: 54px;
        }

        .video-frame .frame-corner.bottom-right {
            bottom: 0;
            right: 0;
            transform: translate(5%, 5%);
            border-bottom-color: #FBFE5E;
            border-right-color: #FBFE5E;
            border-top-color: transparent;
            border-left-color: transparent;
            border-bottom-right-radius: 54px;
        }

        /* Video wrapper with rounded corners and overflow hidden */
        .video-wrapper {
            position: relative;
            width: 100%;
            height: 100%;
            border-radius: var(--video-frame-radius);
            overflow: hidden;
            z-index: 1;
        }

        .video-shell {
            position: absolute;
            inset: 0;
            border-radius: var(--video-frame-radius);
            outline: none;
            outline-offset: 0;
            overflow: hidden;
        }

        /* Clean frame modifier - removes outlines and borders */
        .video-frame.clean-frame::before {
            display: none;
        }

        .video-frame.clean-frame .video-shell {
            outline: none;
        }

        .video-frame.clean-frame .video-shell iframe,
        .video-frame.clean-frame .video-shell video {
            border: none;
        }

        .video-shell iframe,
        .video-shell video {
            position: absolute;
            inset: 0;
            border-radius: var(--video-frame-radius);
            box-sizing: border-box;
            border: none;
        }

        /* YouTube iframe */
        .video-wrapper iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border: none;
            border-radius: var(--video-frame-radius);
        }

        /* Local video element */
        .video-wrapper video {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--video-frame-radius);
        }

        /* Make the giant map clickable and show pointer */
        .map-link {
            display: block;
            width: 100%;
            text-decoration: none;
            color: inherit;
        }

        .map-link .video-wrapper {
            cursor: pointer;
        }

        /* Cards strip below video frame */
        .cards-section {
            width: 100%;
            margin: 0 auto;
            box-sizing: border-box;
            padding: 12px 10px 18px;
            display: grid;
            gap: 8px;
            justify-items: center;
        }

        .cards-row {
            width: 92vw;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 8px;
            align-items: stretch;
        }

        .card-item {
            width: 100%;
            aspect-ratio: 1 / 1;
            overflow: hidden;
            position: relative;
            background: transparent;
            margin: 0 auto;
        }

        .card-item img {
            width: 100%;
            height: 100%;
            object-fit: contain;
            display: block;
        }

        /* Hero scroll indicator */
        .scroll-indicator {
            position: absolute;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            opacity: 0;
            transition: opacity 0.4s ease;
            pointer-events: none;
            z-index: 40;
        }

        .scroll-indicator.is-visible {
            opacity: 1;
            animation: scrollPulse 1.6s ease-in-out infinite;
            pointer-events: auto;
            cursor: pointer;
        }

        .scroll-indicator .arrow {
            width: 0;
            height: 0;
            border-left: 12px solid transparent;
            border-right: 12px solid transparent;
            border-top: 18px solid #FBFE5E;
            filter: drop-shadow(0 0 8px rgba(255, 254, 94, 0.45));
        }

        @keyframes scrollPulse {
            0% {
                transform: translate(-50%, 0);
            }

            50% {
                transform: translate(-50%, 8px);
            }

            100% {
                transform: translate(-50%, 0);
            }
        }

        /* Manifiesto item: same background and font as .news-item,
           positioned top-left in the hero and vertically scrollable */
        .manifiesto-item {
            position: absolute;
            top: 20px;
            right: 20px;
            z-index: 50;
            width: 300px;
            height: 450px;
            background: none;
            padding: 0;
            color: #DDDC31;
            font-family: "new-science", sans-serif;
            font-size: 17px;
            line-height: 1.6;
            cursor: move;
            user-select: none;
            -webkit-user-select: none;
            touch-action: none;
            opacity: 0;
            transition: opacity 1.5s ease;
        }

        .manifiesto-item.is-visible {
            opacity: 1;
        }

        .manifiesto-item.dragging {
            opacity: 0.8;
            cursor: grabbing;
            z-index: 100;
        }

        .manifiesto-item p {
            margin: 0;
        }

        /* Small visible scrollbar for desktop, unobtrusive on mobile */
        .manifiesto-item::-webkit-scrollbar {
            width: 8px;
        }

        .manifiesto-item::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.12);
            border-radius: 6px;
        }

        @media (max-width: 768px) {
            .manifiesto-item {
                display: none;
            }
        }

        /* Logo arriba centrado en el hero */
        .logo-naranja {
            position: absolute;
            top: 12px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 60;
            width: 300px;
            max-width: 60vw;
            pointer-events: none;
        }

        .logo-naranja video {
            display: block;
            width: 100%;
            height: auto;
        }

        .logo-naranja canvas {
            display: none;
            width: 100%;
            height: auto;
            pointer-events: none;
        }

        .logo-naranja.is-canvas-active canvas {
            display: block;
        }

        .logo-naranja.is-canvas-active video {
            display: none;
        }

        /* Jugar button */
        .jugar-button {
            position: absolute;
            bottom: 12%;
            left: 50%;
            transform: translateX(-50%);
            z-index: 20;
            padding: 12px 40px;
            font-size: 24px;
            font-weight: bold;
            font-family: "new-science", sans-serif;
            color: #000;
            background: linear-gradient(135deg, #DDDC31 0%, #FFE55C 100%);
            border: 3px solid #fff;
            border-radius: 40px;
            cursor: pointer;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.6);
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
            pointer-events: auto;
        }

        .jugar-button:hover {
            transform: translateX(-50%) translateY(-5px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.8);
            background: linear-gradient(135deg, #FFE55C 0%, #DDDC31 100%);
        }

        .jugar-button:active {
            transform: translateX(-50%) translateY(-2px);
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.6);
        }

        /* Sound selector (hero section bottom centered) */
        .video-section.hero .sound-selector {
            position: absolute;
            bottom: 5%;
            left: 50%;
            transform: translate(-50%, 0);
            z-index: 21;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            pointer-events: auto;
            opacity: 0;
            transition: opacity 1.5s ease;
            max-width: 1200px;
            width: min(90vw, 1200px);
        }

        /* Keep the selector at its 16:9 size on taller/narrower screens (e.g. phones) */
        @media (max-aspect-ratio: 16/9) {
            .video-section.hero .sound-selector {
                width: 1200px;
                max-width: none;
            }
        }

        .video-section.hero .sound-selector.is-visible {
            opacity: 1;
        }

        .video-section.hero .sound-selector img {
            display: block;
            cursor: pointer;
            width: 100%;
            max-width: 100%;
            height: auto;
        }

        .sound-tooltip {
            position: absolute;
            padding: 6px 10px;
            border-radius: 10px;
            background: rgba(0, 0, 0, 0.85);
            color: #fff;
            font-size: 12px;
            letter-spacing: 0.04em;
            border: 1px solid rgba(255, 229, 92, 0.7);
            pointer-events: none;
            opacity: 0;
            transition: opacity 120ms ease, transform 120ms ease;
            white-space: nowrap;
            z-index: 23;
        }

        .sound-tooltip.is-visible {
            opacity: 1;
            transform: translate(-50%, -14px);
        }

        /* Hotspots are invisible (image contains UI). Keep focus-visible outline for accessibility. */
        .video-section.hero .sound-hotspot {
            background: transparent !important;
            border: none !important;
            opacity: 0 !important;
            box-shadow: none !important;
        }

        .video-section.hero .sound-hotspot:focus-visible {
            opacity: 1 !important;
            outline: 2px solid #FFE55C;
            outline-offset: 4px;
            background: rgba(0, 0, 0, 0.18);
        }

        /* Debug panel removed in production */
        /* Footer styles */
        .site-footer {
            width: 100%;
            padding: 28px 18px;
            box-sizing: border-box;
            text-align: center;
            color: #FFF;
            font-family: "new-science", 'New Science', system-ui, -apple-system, Segoe UI, Roboto, Inter, Arial;
            font-size: 14px;
            letter-spacing: 0.08em;
            background: linear-gradient(180deg, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.55));
            backdrop-filter: blur(4px);
        }

        .site-footer__inner {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }

        /* PWA action buttons */
        .pwa-actions {
            display: inline-flex;
            gap: 8px;
            align-items: center;
            margin-left: 12px;
        }

        .pwa-button {
            padding: 8px 14px;
            font-size: 13px;
            font-weight: 700;
            color: #FBFE5E;
            background: rgba(0, 102, 204, 0);
            border: 2px solid #FBFE5E;
            border-radius: 24px;
            cursor: pointer;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            box-shadow: 0 6px 16px rgba(0, 0, 0, 0.5);
            transition: background 0.3s ease, border-color 0.3s ease;
        }

        .pwa-button:hover {
            background: rgba(0, 102, 204, 0.5);
            border-color: #FFE55C;
        }

        .pwa-button[hidden] {
            display: none;
        }

        /* Credits overlay */
        .credits-open {
            overflow: hidden;
        }

        .credits-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.78);
            display: none;
            align-items: center;
            justify-content: center;
            z-index: 120000;
            padding: 20px;
        }

        .credits-overlay.is-visible {
            display: flex;
        }

        .credits-panel {
            width: min(880px, 94vw);
            max-height: 86vh;
            background: rgba(12, 12, 12, 0.94);
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: 20px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.55);
            color: #f7f7f7;
            padding: 22px 24px;
            font-family: "new-science", 'New Science', system-ui, -apple-system, Segoe UI, Roboto, Inter, Arial;
            display: grid;
            gap: 16px;
            overflow: hidden;
        }

        .credits-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .credits-header h2 {
            font-size: 20px;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin: 0;
        }

        .credits-body {
            overflow-y: auto;
            max-height: 60vh;
            padding-right: 6px;
            font-size: 14px;
            line-height: 1.6;
        }

        .credits-body strong {
            color: #FFE55C;
        }

        /* Video Overlay */
        .video-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            display: none;
            align-items: center;
            justify-content: center;
            z-index: 130000;
        }

        .video-overlay.is-visible {
            display: flex;
        }

        .video-overlay .video-frame {
            position: relative;
            width: 100%;
            max-width: 177.78vh;
            /* 16/9 aspect ratio constraint based on height */
            aspect-ratio: 16/9;
            max-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .video-overlay .video-frame video {
            width: 100%;
            height: 100%;
            object-fit: contain;
            outline: none;
        }

        .overlay-text {
            position: absolute;
            left: 62.5%;
            top: 17.1%;
            width: 18%;
            max-height: 27%;
            overflow-y: auto;
            font-family: "new-science-mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
            color: #FFC96A;
            font-size: 14px;
            line-height: 1.5;
            padding: 10px;
            pointer-events: auto;
            scrollbar-width: thin;
            scrollbar-color: #FFC96A rgba(11, 18, 28, 0.45);
            display: none;
            z-index: 130001;
            text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
        }

        .overlay-text.is-visible {
            display: block;
        }

        .overlay-text::-webkit-scrollbar {
            width: 8px;
            background: transparent;
        }

        .overlay-text::-webkit-scrollbar-track {
            background: rgba(11, 18, 28, 0.38);
            border-radius: 4px;
        }

        .overlay-text::-webkit-scrollbar-thumb {
            background: #FFC96A;
            border-radius: 4px;
        }

        .overlay-text strong {
            color: #FFE55C;
            font-weight: 700;
        }

        .overlay-text p {
            margin-bottom: 1em;
        }

        @keyframes glitch-flicker {

            0%,
            100% {
                opacity: 0.6;
            }

            50% {
                opacity: 0.2;
            }
        }

        /* Toast / progress UI */
        .pwa-toast {
            position: fixed;
            left: 50%;
            bottom: 24px;
            transform: translateX(-50%);
            min-width: 280px;
            max-width: 90%;
            background: rgba(0, 0, 0, 0.85);
            color: #fff;
            padding: 12px 14px;
            border-radius: 12px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
            display: flex;
            gap: 12px;
            align-items: center;
            z-index: 20000;
        }

        .pwa-toast[hidden] {
            display: none;
        }

        .pwa-progress {
            flex: 1 1 auto;
            height: 10px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 8px;
            overflow: hidden;
        }

        .pwa-progress>.bar {
            width: 0%;
            height: 100%;
            background: linear-gradient(90deg, #DDDC31, #FFE55C);
            transition: width 260ms linear;
        }

        .pwa-toast .label {
            font-size: 13px;
            white-space: nowrap;
        }

        .pwa-toast .filename-label {
            font-size: 11px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 100%;
        }

        .pwa-toast-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            margin-top: 4px;
        }

        .pwa-toast .size-label {
            font-size: 11px;
            color: rgba(255, 255, 255, 0.6);
            white-space: nowrap;
        }

        .poema-controls {
            display: flex;
            gap: 12px;
            justify-content: center;
            margin-top: 12px;
        }

        .pwa-cancel-btn {
            margin-top: 8px;
            padding: 6px 12px;
            background: rgba(255, 80, 80, 0.2);
            border: 1px solid rgba(255, 80, 80, 0.4);
            border-radius: 6px;
            color: #ff6b6b;
            font-size: 11px;
            cursor: pointer;
            transition: all 0.2s ease;
            font-family: inherit;
        }

        .pwa-cancel-btn:hover {
            background: rgba(255, 80, 80, 0.3);
            border-color: rgba(255, 80, 80, 0.6);
        }

        .pwa-cancel-btn[hidden] {
            display: none;
        }

        .site-footer__inner strong {
            display: inline-block;
            font-weight: 700;
            color: #FFE55C;
            margin-right: 8px;
        }

        /* Floating transition texts between sections */
        .floating-text {
            width: 100%;
            padding: 60px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            position: relative;
            z-index: 5;
        }

        .floating-text p,
        .floating-text div {
            font-family: "new-science", 'New Science', system-ui, -apple-system, Segoe UI, Roboto, Inter, Arial;
            color: #FBFE5E;
            font-size: clamp(18px, 3vw, 28px);
            line-height: 1.6;
            max-width: 900px;
            margin: 0 0 1.2em 0;
            letter-spacing: 0.02em;
        }

        .floating-text p:last-child,
        .floating-text div:last-child {
            margin-bottom: 0;
        }

        /* Floating text typewriter styles */
        .floating-text[data-typewriter] p {
            min-height: 1.6em;
            text-align: left;
        }

        .floating-text[data-typewriter] div {
            min-height: 1.6em;
            text-align: left;
        }

        .floating-text[data-typewriter] p:empty,
        .floating-text[data-typewriter] div:empty {
            visibility: hidden;
        }

        /* Waveform style */
        .waveform-container {
            position: absolute;
            top: 20px;
            /* Keep it visible on screen even if parent overflows using max and calc */
            right: max(60px, calc((100% - 100vw) / 2 + 30px));
            bottom: auto;
            display: flex;
            align-items: flex-end;
            gap: 3px;
            height: 30px;
            padding: 0;
            z-index: 1000;
            pointer-events: none;
            transition: opacity 0.5s ease;
            opacity: 0;
        }

        .waveform-container.is-visible {
            opacity: 1;
        }

        .waveform-bar {
            width: 3px;
            background-color: #fc8f21;
            height: 2px;
            border-radius: 2px;
            transition: height 0.05s ease;
        }

        .material-buttons-container {
            display: flex;
            justify-content: center;
            gap: clamp(20px, 8vw, 120px);
            width: 100%;
            margin: 60px auto 80px;
            flex-wrap: wrap;
            padding: 40px 60px;
            max-width: 1200px;
        }

        .material-button {
            transition: transform 0.3s ease, filter 0.3s ease;
            max-width: clamp(120px, 18vw, 220px);
            flex: 0 1 auto;
        }

        .material-button:hover {
            transform: scale(1.08);
            filter: brightness(1.1);
        }

        .material-button img {
            width: 100%;
            height: auto;
            display: block;
        }

        /* Map Reference Chart */
        .map-reference-chart {
            position: absolute;
            bottom: 62px;
            right: 62px;
            z-index: 10;
            width: clamp(100px, 12.5vw, 175px);
            pointer-events: none;
            user-select: none;
        }

        @media (max-width: 768px) {
            .map-reference-chart {
                display: none;
            }
        }