/* ==========================================================
       OCTAVIO WATERPOLO LAB — "pileta de noche"
       Brutalismo atlético: cemento negro, un solo acento celeste,
       tipografía de cartelería, placas numeradas, fotos en duotono.
       ========================================================== */

    :root {
        /* Cemento */
        --ink:        #0A0B0D;
        --ink-2:      #101216;
        --ink-3:      #171A20;
        --ink-4:      #1F242C;
        --line:       rgba(255,255,255,0.13);
        --line-hard:  rgba(255,255,255,0.28);

        /* Tinta */
        --bone:       #F1F3F6;
        --bone-2:     #AEB6C1;
        --bone-3:     #6E7783;

        /* El único acento: cloro */
        --cl:         #4FB3F9;
        --cl-deep:    #0C6CB6;
        --cl-glow:    rgba(79,179,249,0.22);

        /* Reservados por significado, no por decoración */
        --oro:        #FFC53D;   /* sólo lo que se gana */
        --verde:      #35D07F;   /* correcto / gol */
        --rojo:       #FF3B4E;   /* error / atajada */

        --display: 'Big Shoulders Display', 'Archivo Narrow', 'Arial Narrow', system-ui, sans-serif;
        --text: 'Archivo', 'Helvetica Neue', Helvetica, sans-serif;

        --wrap: 1180px;
        --gut: clamp(18px, 4vw, 40px);

        --r: 2px;
        --shadow-hard: 6px 6px 0 var(--ink);
    }

    * { margin: 0; padding: 0; box-sizing: border-box; }
    [hidden] { display: none !important; }

    /* Los <button> no heredan el color del padre: usan el del sistema (negro).
       Sobre un fondo casi negro eso hace desaparecer el texto. */
    button { color: inherit; }

    html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

    body {
        font-family: var(--text);
        background: var(--ink);
        color: var(--bone);
        font-size: 17px;
        line-height: 1.55;
        font-feature-settings: 'tnum' 0;
        overflow-x: hidden;
    }

    /* Grano: acotado al hero. Como capa fija de pantalla completa forzaba un
       repintado en cada frame de scroll y trababa Android. */
    .hero::after {
        content: '';
        position: absolute;
        inset: 0;
        z-index: 1;
        pointer-events: none;
        opacity: 0.06;
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
    }

    ::selection { background: var(--cl); color: var(--ink); }

    .wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gut); }

    /* ---------- Tipografía ---------- */
    h1, h2, h3, .display {
        font-family: var(--display);
        font-weight: 800;
        text-transform: uppercase;
        line-height: 0.88;
        letter-spacing: -0.005em;
        font-stretch: condensed;
    }

    strong, b { font-weight: 700; color: var(--bone); }

    a { color: var(--cl); text-decoration: none; }
    a:hover { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 3px; }

    .num { font-variant-numeric: tabular-nums; }

    /* Etiqueta chica en versalitas: se repite en toda la página */
    .kicker, .sec-kicker, .hud-label, .pstat-lbl, .rut-where, .module-flag,
    .quiz-kicker, .drill-step, .scout-name, .tier-name, .ctrl label {
        font-family: var(--text);
        font-size: 0.68rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.16em;
    }

    /* ==========================================================
       HERO — toma tipográfica
       ========================================================== */
    .hero {
        position: relative;
        padding: clamp(48px, 8.5vh, 88px) 0 0;
        overflow: hidden;
        border-bottom: 2px solid var(--line-hard);
    }

    /* La foto queda de fondo, en duotono, casi como una textura */
    .hero-bg {
        position: absolute;
        inset: 0;
        background: url('assets/img2.jpeg') center 25%/cover no-repeat;
        filter: grayscale(1) brightness(0.5);
        transform: scale(1.06);
    }

    .hero-overlay {
        position: absolute;
        inset: 0;
        background:
            radial-gradient(120% 80% at 78% 12%, var(--cl-glow), transparent 60%),
            linear-gradient(180deg, rgba(10,11,13,0.55) 0%, rgba(10,11,13,0.86) 55%, var(--ink) 100%);
    }

    /* Líneas de andarivel en diagonal */
    .hero::before {
        content: '';
        position: absolute;
        inset: 0;
        z-index: 1;
        pointer-events: none;
        opacity: 0.5;
        background: repeating-linear-gradient(
            -68deg,
            transparent 0 38px,
            rgba(79,179,249,0.10) 38px 40px
        );
        mask-image: linear-gradient(180deg, transparent, #000 40%, transparent 92%);
    }

    .hero-inner { position: relative; z-index: 2; }

    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        font-family: var(--text);
        font-size: 0.7rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.18em;
        color: var(--cl);
        border: 1px solid var(--cl);
        padding: 7px 14px;
        margin-bottom: clamp(20px, 4vw, 34px);
    }

    .hero h1 {
        font-size: clamp(2.9rem, 11.5vw, 7.6rem);
        font-weight: 900;
        line-height: 0.82;
        letter-spacing: -0.02em;
        margin-bottom: clamp(18px, 3vw, 28px);
    }

    .hero h1 .l {
        display: block;
        overflow: hidden;
        /* aire arriba para que la máscara no coma las tildes (APRENDÉ) */
        padding-top: 0.16em;
        margin-top: -0.16em;
    }
    .hero h1 .l > span {
        display: block;
        transform: translateY(105%);
        animation: subir 0.95s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    }
    .hero h1 .l:nth-child(1) > span { animation-delay: 0.05s; }
    .hero h1 .l:nth-child(2) > span { animation-delay: 0.15s; }
    .hero h1 .l:nth-child(3) > span { animation-delay: 0.25s; }

    .hero h1 .cl { color: var(--cl); }
    .hero h1 .out {
        color: transparent;
        -webkit-text-stroke: 2px var(--bone-3);
    }

    @keyframes subir { to { transform: translateY(0); } }

    .hero-sub {
        font-size: clamp(1.02rem, 2.1vw, 1.32rem);
        color: var(--bone-2);
        max-width: 46ch;
        margin-bottom: clamp(24px, 3.6vw, 36px);
        opacity: 0;
        animation: aparecer 0.8s ease 0.45s forwards;
    }
    .hero-sub strong { color: var(--bone); }

    @keyframes aparecer { to { opacity: 1; } }

    /* ---------- Router de personas: tres puertas numeradas ---------- */
    .lab-nav {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 0;
        border-top: 2px solid var(--line-hard);
        opacity: 0;
        animation: aparecer 0.8s ease 0.6s forwards;
    }

    .lab-nav a {
        position: relative;
        display: block;
        padding: clamp(20px, 3vw, 30px) clamp(16px, 2.4vw, 26px) clamp(24px, 3.4vw, 34px);
        color: var(--bone);
        text-decoration: none;
        border-right: 1px solid var(--line);
        overflow: hidden;
        transition: color 0.25s ease;
    }
    .lab-nav a:last-child { border-right: 0; }
    .lab-nav a:hover { text-decoration: none; }

    /* barrido celeste al pasar */
    .lab-nav a::before {
        content: '';
        position: absolute;
        inset: 0;
        background: var(--cl);
        transform: translateY(101%);
        transition: transform 0.34s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .lab-nav a:hover::before, .lab-nav a:focus-visible::before { transform: translateY(0); }
    .lab-nav a:hover *, .lab-nav a:focus-visible * { color: var(--ink); position: relative; }

    .ln-icon {
        display: block;
        font-family: var(--display);
        font-size: clamp(2.4rem, 5vw, 3.4rem);
        font-weight: 900;
        line-height: 0.8;
        color: var(--bone-3);
        margin-bottom: 12px;
        transition: color 0.25s ease;
    }
    .lab-nav a:hover .ln-icon { color: var(--ink); }

    .ln-title {
        display: block;
        font-family: var(--display);
        font-size: clamp(1.35rem, 2.8vw, 1.85rem);
        font-weight: 800;
        text-transform: uppercase;
        line-height: 0.95;
        margin-bottom: 7px;
    }

    .ln-desc {
        display: block;
        font-size: 0.88rem;
        color: var(--bone-2);
        line-height: 1.4;
        transition: color 0.25s ease;
    }

    /* ---------- Cinta cinética con los hechos ---------- */
    .ticker {
        position: relative;
        z-index: 2;
        border-top: 2px solid var(--line-hard);
        border-bottom: 2px solid var(--line-hard);
        background: var(--ink-2);
        overflow: hidden;
        padding: 11px 0;
        white-space: nowrap;
    }
    .ticker-track {
        display: inline-flex;
        gap: 0;
        animation: correr 42s linear infinite;
    }
    .ticker span {
        font-family: var(--display);
        font-size: 1.05rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.02em;
        color: var(--bone-2);
        padding: 0 22px;
    }
    .ticker span b { color: var(--cl); font-weight: 800; }
    .ticker span::after { content: '/'; color: var(--bone-3); margin-left: 22px; }
    @keyframes correr { to { transform: translateX(-50%); } }
    .ticker:hover .ticker-track { animation-play-state: paused; }
    .ticker.pausada .ticker-track { animation-play-state: paused; }

    /* ==========================================================
       ESTRUCTURA DE SECCIÓN
       ========================================================== */
    section.block { padding: clamp(56px, 9vw, 104px) 0; position: relative; }
    section.block.tight { padding-top: clamp(24px, 4vw, 40px); }

    .sec-head { margin-bottom: clamp(28px, 4.5vw, 44px); max-width: 58ch; }

    .sec-kicker {
        display: flex;
        align-items: center;
        gap: 12px;
        color: var(--cl);
        margin-bottom: 14px;
    }
    .sec-kicker::before {
        content: '';
        width: 34px;
        height: 2px;
        background: var(--cl);
        flex-shrink: 0;
    }

    .sec-head h2 {
        font-size: clamp(2.3rem, 7vw, 4.4rem);
        font-weight: 900;
        margin-bottom: 14px;
    }

    .sec-head p { color: var(--bone-2); font-size: 1.02rem; }
    .sec-head p strong { color: var(--bone); }

    .card {
        background: var(--ink-2);
        border: 1px solid var(--line);
        border-radius: var(--r);
        padding: clamp(24px, 4vw, 40px);
    }

    /* ==========================================================
       BOTONES — bloques, no cápsulas
       ========================================================== */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
        padding: 15px 26px;
        border: 2px solid transparent;
        border-radius: var(--r);
        font-family: var(--text);
        font-size: 0.9rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.08em;
        text-decoration: none;
        cursor: pointer;
        text-align: center;
        transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.2s ease, color 0.2s ease;
    }
    .btn:hover { text-decoration: none; }
    .btn:active { transform: translate(2px, 2px); }

    .btn-primary, .btn-mp {
        background: var(--cl);
        color: var(--ink);
        border-color: var(--cl);
    }
    .btn-primary:hover, .btn-mp:hover {
        background: var(--bone);
        border-color: var(--bone);
        transform: translate(-2px, -2px);
        box-shadow: 4px 4px 0 var(--cl-deep);
    }

    .btn-gold {
        background: var(--oro);
        color: var(--ink);
        border-color: var(--oro);
    }
    .btn-gold:hover {
        background: var(--bone);
        border-color: var(--bone);
        transform: translate(-2px, -2px);
        box-shadow: 4px 4px 0 #A87A00;
    }

    .btn-ghost {
        background: transparent;
        color: var(--bone);
        border-color: var(--line-hard);
    }
    .btn-ghost:hover { border-color: var(--cl); color: var(--cl); }

    .btn-light {
        background: rgba(255,255,255,0.07);
        color: var(--bone);
        border-color: var(--line);
    }
    .btn-light:hover { background: rgba(255,255,255,0.15); border-color: var(--line-hard); }

    .btn-sm { padding: 11px 17px; font-size: 0.76rem; min-height: 44px; }
    .btn-icon { width: 18px; height: 18px; flex-shrink: 0; }
    .btn-row { display: flex; gap: 12px; flex-wrap: wrap; }

    .toggle-desafio {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 0.72rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.1em;
        color: var(--bone-2);
        cursor: pointer;
        padding: 10px 14px;
        border: 1px solid var(--line);
    }
    .toggle-desafio:hover { border-color: var(--cl); color: var(--bone); }
    .toggle-desafio input { accent-color: var(--cl); width: 15px; height: 15px; cursor: pointer; }

    /* ==========================================================
       CURSO
       ========================================================== */
    .lab-layout {
        display: grid;
        grid-template-columns: minmax(0, 1fr) 330px;
        gap: 24px;
        align-items: start;
    }

    .player-card {
        background: var(--ink-2);
        border: 1px solid var(--line);
        overflow: hidden;
    }

    .player-frame {
        position: relative;
        width: 100%;
        aspect-ratio: 16 / 9;
        background: #000;
    }
    .player-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

    .player-gate {
        position: absolute;
        inset: 0;
        z-index: 5;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 16px;
        text-align: center;
        padding: 24px;
        background: linear-gradient(180deg, rgba(10,11,13,0.55), rgba(10,11,13,0.9));
    }
    .player-gate.hidden { display: none; }
    .player-gate h3 { font-size: clamp(1.5rem, 4vw, 2.2rem); }
    .player-gate p { font-size: 0.9rem; color: var(--bone-2); max-width: 42ch; }

    .player-meta {
        padding: 16px 20px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 14px;
        flex-wrap: wrap;
        border-top: 1px solid var(--line);
    }
    .player-meta .pm-title {
        font-family: var(--display);
        font-size: 1.3rem;
        font-weight: 800;
        text-transform: uppercase;
    }
    .player-meta .pm-sub { font-size: 0.8rem; color: var(--bone-3); }
    .player-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

    /* Anotaciones */
    .annotations {
        background: var(--ink-2);
        border: 1px solid var(--line);
        padding: 22px;
        max-height: 560px;
        overflow-y: auto;
    }
    .annotations h4 { color: var(--cl); margin-bottom: 16px; font-family: var(--text);
        font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.16em; }

    .ann {
        border-left: 2px solid var(--ink-4);
        padding: 0 0 0 15px;
        margin-bottom: 20px;
        opacity: 0.35;
        transition: opacity 0.3s ease, border-color 0.3s ease;
    }
    .ann:last-child { margin-bottom: 0; }
    .ann.seen { opacity: 1; border-left-color: var(--cl-deep); }
    .ann.current { opacity: 1; border-left-color: var(--cl); }

    .ann-time {
        font-family: var(--display);
        font-size: 1.1rem;
        font-weight: 800;
        color: var(--cl);
        font-variant-numeric: tabular-nums;
    }
    .ann-title { font-family: var(--display); font-size: 1.08rem; font-weight: 700;
        text-transform: uppercase; margin: 1px 0 5px; }
    .ann-text { font-size: 0.88rem; color: var(--bone-2); line-height: 1.55; }
    .ann-text.locked { color: var(--bone-3); font-style: italic; }

    /* Pregunta y paneles del curso (debajo del video) */
    .quiz {
        display: none;
        flex-direction: column;
        padding: clamp(20px, 3.4vw, 30px);
        border-top: 1px solid var(--line);
        background: var(--ink-3);
    }
    .quiz.active { display: flex; }

    .lesson-panel {
        display: flex;
        flex-direction: column;
        gap: 12px;
        padding: clamp(20px, 3.4vw, 30px);
        border-top: 1px solid var(--line);
        background: var(--ink-3);
    }
    .lesson-panel.hidden { display: none; }

    .quiz-kicker { color: var(--cl); margin-bottom: 10px; }

    .quiz h3 { font-size: clamp(1.4rem, 3.4vw, 2rem); margin-bottom: 18px; }

    .quiz-options { display: grid; gap: 8px; }

    .quiz-opt {
        display: flex;
        align-items: center;
        gap: 12px;
        width: 100%;
        text-align: left;
        background: var(--ink-2);
        border: 1px solid var(--line);
        border-left: 3px solid var(--ink-4);
        color: var(--bone);
        font-family: var(--text);
        font-size: 0.95rem;
        font-weight: 500;
        padding: 15px 16px;
        min-height: 48px;
        cursor: pointer;
        transition: all 0.16s ease;
    }
    .quiz-opt:hover:not(:disabled) { border-left-color: var(--cl); background: var(--ink-4); }
    .quiz-opt:disabled { cursor: default; }
    .quiz-opt.is-octavio {
        background: rgba(53,208,127,0.13);
        border-color: rgba(53,208,127,0.5);
        border-left-color: var(--verde);
    }
    .quiz-opt.is-picked { border-left-color: var(--oro); }
    .quiz-opt.faded { opacity: 0.35; }

    .quiz-tag {
        margin-left: auto;
        font-size: 0.6rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.14em;
        background: var(--oro);
        color: var(--ink);
        padding: 4px 9px;
        white-space: nowrap;
    }

    .quiz-reveal { display: none; margin-top: 18px; }
    .quiz-reveal.active { display: block; }
    .quiz-reveal p { font-size: 0.95rem; color: var(--bone-2); margin-bottom: 16px; }

    .lesson-end {
        display: none;
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 14px;
        padding: clamp(22px, 3.4vw, 32px);
        border-top: 1px solid var(--line);
        background: var(--ink-3);
    }
    .lesson-end.active { display: flex; }
    .lesson-end h3 { font-size: clamp(1.5rem, 3.6vw, 2rem); }
    .lesson-end p { font-size: 0.92rem; color: var(--bone-2); max-width: 48ch; }

    /* Capítulos */
    .modules { margin-top: 24px; }
    .modules h4 { color: var(--bone-3); margin-bottom: 14px; font-family: var(--text);
        font-size: 0.76rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.11em; }

    .module-list { list-style: none; display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }

    .module {
        display: flex;
        align-items: center;
        gap: 16px;
        width: 100%;
        text-align: left;
        color: var(--bone);
        background: var(--ink-2);
        border: 0;
        padding: 15px 18px;
        min-height: 52px;
        font-family: inherit;
        cursor: pointer;
        transition: background 0.16s ease;
    }
    .module:hover { background: var(--ink-4); }
    .module.active { background: var(--ink-4); box-shadow: inset 3px 0 0 var(--cl); }
    .module.soon { cursor: default; opacity: 0.45; }
    .module.soon:hover { background: var(--ink-2); }

    .module-num {
        font-family: var(--display);
        font-size: 1.6rem;
        font-weight: 900;
        line-height: 1;
        color: var(--bone-3);
        min-width: 34px;
        flex-shrink: 0;
        font-variant-numeric: tabular-nums;
    }
    .module.active .module-num, .module:hover .module-num { color: var(--cl); }

    .module-body { min-width: 0; flex: 1; }
    .module-title { font-family: var(--display); font-size: 1.15rem; font-weight: 700;
        text-transform: uppercase; line-height: 1; margin-bottom: 4px; color: var(--bone); }
    .module-sub { font-size: 0.8rem; color: var(--bone-3); line-height: 1.35; }
    .module-flag { color: var(--bone-3); white-space: nowrap; }

    /* ==========================================================
       JUEGO / ESCENARIO
       ========================================================== */
    .game-card { background: var(--ink-2); border: 1px solid var(--line); overflow: hidden; }

    .game-hud {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 14px;
        padding: 13px 18px;
        border-bottom: 1px solid var(--line);
        flex-wrap: wrap;
    }

    .mode-tabs { display: flex; gap: 0; border: 1px solid var(--line); }
    .mode-tab {
        padding: 9px 16px;
        border: 0;
        background: transparent;
        color: var(--bone-3);
        font-family: var(--text);
        font-size: 0.72rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.12em;
        cursor: pointer;
        transition: all 0.16s ease;
    }
    .mode-tab.active { background: var(--cl); color: var(--ink); }
    .mode-tab:hover:not(.active) { color: var(--bone); }

    .hud-right { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
    .hud-tecnica, .hud-arcade { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
    .hud-label { color: var(--bone-3); }
    .hud-score {
        font-family: var(--display);
        font-weight: 800;
        font-size: 1.35rem;
        line-height: 1;
        font-variant-numeric: tabular-nums;
    }
    .hud-stars { color: var(--oro); font-size: 0.95rem; letter-spacing: 2px; }
    .hud-stars .off { opacity: 0.22; }

    .hud-shots { display: flex; align-items: center; gap: 6px; }
    .shot-dot {
        width: 11px; height: 11px;
        background: var(--ink-4);
        border: 1px solid var(--line-hard);
        transition: all 0.25s ease;
    }
    .shot-dot.goal { background: var(--verde); border-color: var(--verde); }
    .shot-dot.miss { background: var(--rojo); border-color: var(--rojo); }

    .game-stage {
        position: relative;
        width: 100%;
        aspect-ratio: 16 / 10;
        background: var(--ink);
        touch-action: none;
        user-select: none;
        -webkit-user-select: none;
    }
    .game-stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }

    .game-hint {
        position: absolute;
        left: 0; right: 0; bottom: 12px;
        z-index: 3;
        text-align: center;
        font-size: 0.82rem;
        font-weight: 600;
        color: var(--bone);
        text-shadow: 0 2px 10px rgba(0,0,0,0.9);
        pointer-events: none;
        padding: 0 16px;
    }

    .game-overlay, .drill-overlay, .result-panel {
        position: absolute;
        inset: 0;
        z-index: 5;
        padding: clamp(18px, 3.4vw, 32px);
        background: linear-gradient(180deg, rgba(10,11,13,0.93), rgba(10,11,13,0.985));
        overflow-y: auto;
    }

    .game-overlay {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        text-align: center;
        gap: 14px;
    }
    .game-overlay.hidden { display: none; }
    .game-overlay h3 { font-size: clamp(1.6rem, 4.4vw, 2.6rem); }
    .game-overlay p { font-size: 0.9rem; color: var(--bone-2); max-width: 44ch; }

    .drill-overlay { display: flex; flex-direction: column; justify-content: center; gap: 12px; }
    .drill-overlay.hidden { display: none; }

    .result-panel { display: none; flex-direction: column; justify-content: center; gap: 12px; }
    .result-panel.active { display: flex; }

    /* Pasos del drill */
    .drill-steps { display: flex; gap: 6px; margin-bottom: 6px; flex-wrap: wrap; }
    .drill-step {
        padding: 5px 11px;
        border: 1px solid var(--line);
        color: var(--bone-3);
    }
    .drill-step.on { background: var(--cl); border-color: var(--cl); color: var(--ink); }
    .drill-step.done { border-color: rgba(53,208,127,0.55); color: var(--verde); }

    .drill-title { font-family: var(--display); font-size: clamp(1.5rem, 4vw, 2.4rem);
        font-weight: 900; text-transform: uppercase; line-height: 0.92; }
    .drill-sub { font-size: 0.88rem; color: var(--bone-3); }

    .drill-scroll { overflow-y: auto; display: grid; gap: 10px; }

    /* Tarjeta de teoría: paso numerado, formato "ficha" */
    .teo-card {
        counter-increment: paso;
        position: relative;
        background: var(--ink-2);
        border: 1px solid var(--line);
        border-left: 3px solid var(--cl-deep);
        padding: 14px 16px 14px 54px;
    }
    .teo-card::before {
        content: counter(paso, decimal-leading-zero);
        position: absolute;
        left: 14px; top: 12px;
        font-family: var(--display);
        font-size: 1.5rem;
        font-weight: 900;
        line-height: 1;
        color: var(--cl);
        font-variant-numeric: tabular-nums;
    }
    .drill-scroll, .lesson-panel { counter-reset: paso; }
    .teo-card h5 { font-family: var(--display); font-size: 1.18rem; font-weight: 700;
        text-transform: uppercase; margin-bottom: 5px; }
    .teo-card p { font-size: 0.9rem; color: var(--bone-2); line-height: 1.55; }

    /* Comentario de Octavio en primera persona: no es teoría, es su lectura */
    .teo-voz {
        background: rgba(79,179,249,0.09);
        border: 1px solid rgba(79,179,249,0.35);
        border-left: 3px solid var(--cl);
        padding: 14px 16px;
    }
    .teo-voz h5 { color: var(--cl); }
    .teo-voz p { font-style: italic; }
    .teo-voz::before { display: none; }
    .teo-voz .firma {
        display: block;
        margin-top: 9px;
        font-family: var(--text);
        font-size: 0.68rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.14em;
        color: var(--cl);
        font-style: normal;
    }

    /* El dato medido: lo que le da autoridad al contenido */
    .teo-dato {
        border: 1px solid rgba(255,197,61,0.4);
        border-left: 3px solid var(--oro);
        background: rgba(255,197,61,0.07);
        padding: 14px 16px;
        font-size: 0.88rem;
        line-height: 1.55;
        color: var(--bone-2);
    }
    .teo-dato strong { color: var(--oro); text-transform: uppercase; letter-spacing: 0.1em;
        font-size: 0.68rem; display: block; margin-bottom: 4px; }

    .drill-foot { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-top: 6px; }
    .drill-count { font-size: 0.74rem; color: var(--bone-3); margin-left: auto;
        text-transform: uppercase; letter-spacing: 0.1em; font-weight: 600; }

    .drill-expl {
        display: none;
        border-left: 3px solid var(--oro);
        background: var(--ink-2);
        padding: 13px 16px;
        font-size: 0.9rem;
        line-height: 1.55;
        color: var(--bone-2);
        margin-top: 10px;
    }
    .drill-expl.on { display: block; }
    .drill-expl strong { color: var(--bone); }

    /* Resultado del drill */
    .drill-stars { font-size: 2.2rem; letter-spacing: 6px; color: var(--oro); line-height: 1; }
    .drill-stars .off { opacity: 0.18; }
    .drill-veredicto { font-family: var(--display); font-size: clamp(1.5rem, 4.2vw, 2.4rem);
        font-weight: 900; text-transform: uppercase; line-height: 0.92; }
    .drill-calidad { font-size: 0.8rem; color: var(--bone-3); font-variant-numeric: tabular-nums;
        text-transform: uppercase; letter-spacing: 0.08em; }
    .drill-fb { list-style: none; display: grid; gap: 7px; }
    .drill-fb li {
        font-size: 0.9rem;
        line-height: 1.5;
        color: var(--bone-2);
        padding-left: 24px;
        position: relative;
    }
    .drill-fb li::before {
        content: '×';
        position: absolute; left: 0; top: -1px;
        color: var(--rojo);
        font-weight: 700;
        font-size: 1.1rem;
    }
    .drill-fb li.ok { color: var(--bone); }
    .drill-fb li.ok::before { content: '✓'; color: var(--verde); font-size: 0.95rem; }

    .drill-unlock {
        border: 1px solid rgba(53,208,127,0.5);
        border-left: 3px solid var(--verde);
        background: rgba(53,208,127,0.1);
        padding: 13px 16px;
        font-size: 0.9rem;
    }
    .drill-unlock strong { color: var(--verde); }

    /* Resultado del arcade */
    .result-tier { font-family: var(--display); font-size: clamp(1.6rem, 4.4vw, 2.5rem);
        font-weight: 900; text-transform: uppercase; line-height: 0.92; }
    .result-line { font-size: 0.92rem; color: var(--bone-2); }
    .result-score { font-size: 0.8rem; color: var(--bone-3); font-variant-numeric: tabular-nums;
        text-transform: uppercase; letter-spacing: 0.08em; }

    .scout { display: grid; gap: 9px; margin: 6px 0; }
    .scout-row { display: grid; grid-template-columns: 84px 1fr 46px; align-items: center; gap: 12px; }
    .scout-name { color: var(--bone-3); }
    .scout-track { height: 6px; background: var(--ink-4); overflow: hidden; }
    .scout-fill { height: 100%; background: var(--cl); width: 0; transition: width 0.9s cubic-bezier(0.16,1,0.3,1); }
    .scout-val { font-family: var(--display); font-size: 1.05rem; font-weight: 800; text-align: right;
        font-variant-numeric: tabular-nums; }

    .result-actions { display: flex; gap: 9px; flex-wrap: wrap; margin-top: 6px; }

    /* Controles de ejecución */
    .controls { padding: 18px; border-top: 1px solid var(--line); background: var(--ink-3); }
    .ctrl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

    .ctrl label {
        display: flex;
        justify-content: space-between;
        align-items: baseline;
        color: var(--bone-3);
        margin-bottom: 8px;
    }
    .ctrl label output {
        font-family: var(--display);
        font-size: 1.7rem;
        font-weight: 900;
        line-height: 0.9;
        letter-spacing: 0;
        color: var(--cl);
        font-variant-numeric: tabular-nums;
    }

    .ctrl input[type=range] {
        width: 100%;
        height: 34px;
        cursor: pointer;
        -webkit-appearance: none;
        appearance: none;
        background: transparent;
    }
    .ctrl input[type=range]::-webkit-slider-runnable-track {
        height: 3px; background: var(--ink-4);
    }
    .ctrl input[type=range]::-webkit-slider-thumb {
        -webkit-appearance: none;
        width: 20px; height: 28px;
        background: var(--cl);
        border: 0;
        margin-top: -13px;
        cursor: grab;
    }
    .ctrl input[type=range]::-moz-range-track { height: 3px; background: var(--ink-4); }
    .ctrl input[type=range]::-moz-range-thumb {
        width: 20px; height: 28px; border: 0; border-radius: 0; background: var(--cl); cursor: grab;
    }
    .ctrl input[type=range]:focus-visible { outline: 2px solid var(--cl); outline-offset: 4px; }

    .ctrl-hint { display: block; font-size: 0.74rem; color: var(--bone-3); margin-top: 2px; }

    .ctrl-foot {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        margin-top: 18px;
        padding-top: 16px;
        border-top: 1px solid var(--line);
        flex-wrap: wrap;
    }
    .ctrl-zona { font-size: 0.82rem; color: var(--bone-3); }
    .ctrl-zona strong { color: var(--cl); text-transform: uppercase; }

    /* ==========================================================
       PROGRESO
       ========================================================== */
    .prog-card {
        background: var(--ink-2);
        border: 1px solid var(--line);
        padding: 22px 24px;
        display: grid;
        grid-template-columns: minmax(200px, 1.1fr) auto auto;
        gap: 28px;
        align-items: center;
        margin-bottom: 20px;
    }

    .prog-level { min-width: 0; }
    .prog-level-top { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 9px; }
    .prog-nivel { font-family: var(--display); font-size: 0.95rem; font-weight: 700;
        text-transform: uppercase; letter-spacing: 0.1em; color: var(--bone-3); }
    .prog-nivel strong { font-size: 2rem; color: var(--bone); line-height: 0.8; margin-left: 4px; }
    .prog-xp-label { font-size: 0.74rem; color: var(--bone-3); font-variant-numeric: tabular-nums;
        text-transform: uppercase; letter-spacing: 0.08em; }
    .prog-xp-track { height: 4px; background: var(--ink-4); overflow: hidden; }
    .prog-xp-fill { height: 100%; width: 0; background: var(--cl); transition: width 0.8s cubic-bezier(0.16,1,0.3,1); }

    .prog-stats { display: flex; gap: 26px; }
    .pstat { text-align: left; }
    .pstat-num {
        display: block;
        font-family: var(--display);
        font-size: 2rem;
        font-weight: 900;
        line-height: 0.85;
        font-variant-numeric: tabular-nums;
    }
    .pstat-lbl { display: block; color: var(--bone-3); margin-top: 5px; }

    .prog-actions { display: flex; gap: 7px; flex-wrap: wrap; }

    /* ==========================================================
       MAPA DE TÉCNICAS — placas numeradas
       ========================================================== */
    .tec-map { margin-top: 24px; }
    .tec-map h4 { color: var(--bone-3); margin-bottom: 14px; font-family: var(--text);
        font-size: 0.76rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.11em; }

    .tec-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1px;
        background: var(--line);
        border: 1px solid var(--line);
        counter-reset: tec;
    }

    .tec-card {
        counter-increment: tec;
        position: relative;
        display: block;
        text-align: left;
        color: var(--bone);
        background: var(--ink-2);
        border: 0;
        padding: 18px 18px 18px 62px;
        font-family: inherit;
        cursor: pointer;
        transition: background 0.16s ease;
        overflow: hidden;
    }
    .tec-card::before {
        content: counter(tec, decimal-leading-zero);
        position: absolute;
        left: 14px; top: 15px;
        font-family: var(--display);
        font-size: 1.9rem;
        font-weight: 900;
        line-height: 1;
        color: var(--ink-4);
        font-variant-numeric: tabular-nums;
        transition: color 0.16s ease;
    }
    .tec-card:hover { background: var(--ink-4); }
    .tec-card:hover::before { color: var(--cl); }
    .tec-card.active { background: var(--ink-4); box-shadow: inset 3px 0 0 var(--cl); }
    .tec-card.active::before { color: var(--cl); }
    .tec-card.bloqueada { cursor: default; opacity: 0.4; }
    .tec-card.bloqueada:hover { background: var(--ink-2); }
    .tec-card.bloqueada:hover::before { color: var(--ink-4); }

    .tec-icon { display: none; }   /* la placa numerada reemplaza al emoji */
    .tec-body { display: block; min-width: 0; }
    .tec-name { display: block; font-family: var(--display); font-size: 1.15rem; font-weight: 700;
        text-transform: uppercase; line-height: 1; margin-bottom: 5px; color: var(--bone); }
    .tec-sum { display: block; font-size: 0.8rem; color: var(--bone-3); line-height: 1.4; }
    .tec-stars { display: block; font-size: 0.85rem; letter-spacing: 3px; margin-top: 8px; color: var(--oro); }
    .tec-stars .off { opacity: 0.18; }

    .tec-nota { margin-top: 16px; font-size: 0.8rem; color: var(--bone-3); max-width: 76ch; }

    /* ==========================================================
       RUTINA
       ========================================================== */
    .rutina-head {
        display: flex;
        align-items: center;
        gap: 22px;
        background: var(--ink-2);
        border: 1px solid var(--line);
        padding: 20px 24px;
        margin-bottom: 20px;
        flex-wrap: wrap;
    }
    .rutina-prog { flex: 1; min-width: 220px; }
    .rutina-prog-top {
        display: flex; justify-content: space-between; gap: 12px;
        font-size: 0.76rem; color: var(--bone-3); margin-bottom: 9px; flex-wrap: wrap;
        text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600;
    }

    .rutina-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 1px;
        background: var(--line);
        border: 1px solid var(--line);
    }

    .rut-card { background: var(--ink-2); padding: 22px 24px; }
    .rut-top { display: flex; align-items: baseline; gap: 10px; margin-bottom: 8px; }
    .rut-icon { display: none; }
    .rut-name { font-family: var(--display); font-size: 1.25rem; font-weight: 800; text-transform: uppercase; line-height: 1; }
    .rut-where {
        margin-left: auto;
        padding: 4px 9px;
        border: 1px solid var(--line);
        color: var(--bone-3);
        white-space: nowrap;
    }
    .rut-where.agua { color: var(--cl); border-color: rgba(79,179,249,0.45); }
    .rut-where.seco { color: var(--oro); border-color: rgba(255,197,61,0.4); }
    .rut-obj { font-size: 0.85rem; color: var(--bone-3); line-height: 1.5; margin-bottom: 16px; }

    .rut-list { list-style: none; display: grid; }
    .rut-item {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 11px 0;
        min-height: 44px;
        cursor: pointer;
        border-bottom: 1px solid var(--line);
    }
    .rut-item:last-child { border-bottom: none; }
    .rut-item input { width: 19px; height: 19px; accent-color: var(--verde); cursor: pointer; flex-shrink: 0; }
    .rut-item span { font-size: 0.9rem; color: var(--bone-2); line-height: 1.35; }
    .rut-item .rut-dosis {
        margin-left: auto;
        font-family: var(--display);
        font-size: 0.95rem;
        font-weight: 700;
        color: var(--cl);
        white-space: nowrap;
        font-variant-numeric: tabular-nums;
    }
    .rut-item.hecho span { text-decoration: line-through; color: var(--bone-3); }
    .rut-item.hecho .rut-dosis { color: var(--bone-3); }

    /* ==========================================================
       APOYO
       ========================================================== */
    .support-card {
        position: relative;
        background: var(--ink-2);
        border: 2px solid var(--cl);
        padding: clamp(26px, 4.4vw, 46px);
        overflow: hidden;
    }
    .support-card::before {
        content: '';
        position: absolute;
        inset: 0;
        background: radial-gradient(90% 120% at 92% 0%, var(--cl-glow), transparent 62%);
        pointer-events: none;
    }
    .support-card > * { position: relative; }

    .support-card h2 { font-size: clamp(2rem, 5.6vw, 3.4rem); margin-bottom: 14px; }
    .support-card > p { color: var(--bone-2); margin-bottom: 30px; max-width: 62ch; font-size: 1.03rem; }

    .progress-amounts { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
    .progress-current {
        font-family: var(--display);
        font-size: clamp(3.2rem, 11vw, 6rem);
        font-weight: 900;
        line-height: 0.8;
        font-variant-numeric: tabular-nums;
    }
    .progress-goal { font-size: 0.86rem; color: var(--bone-3); text-transform: uppercase; letter-spacing: 0.1em; font-weight: 600; }

    .progress-bar-track { width: 100%; height: 8px; background: var(--ink-4); overflow: hidden; }
    .progress-bar-fill { height: 100%; width: 0%; background: var(--cl); transition: width 1.4s cubic-bezier(0.16,1,0.3,1); }

    .progress-stats {
        display: flex; justify-content: space-between; gap: 14px; margin-top: 12px;
        font-size: 0.78rem; color: var(--bone-3); flex-wrap: wrap;
        text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600;
    }
    .progress-stats strong { color: var(--bone); }

    .maths {
        margin-top: 26px;
        padding: 18px 20px;
        border-left: 3px solid var(--cl);
        background: var(--ink-3);
        font-size: 0.98rem;
        color: var(--bone-2);
    }
    .maths strong { color: var(--cl); }

    .pay-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); margin-top: 28px; border: 1px solid var(--line); }
    .pay-option { background: var(--ink-3); padding: 26px; text-align: center; }
    .pay-option .flag { font-size: 1.5rem; margin-bottom: 10px; }
    .pay-option h3 { font-size: 1.35rem; margin-bottom: 8px; }
    .pay-option p { font-size: 0.86rem; color: var(--bone-3); margin-bottom: 18px; line-height: 1.5; }
    .pay-option .btn { width: 100%; }

    .cbu-box {
        background: var(--ink);
        border: 1px solid var(--line);
        padding: 12px 14px;
        font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
        font-size: 0.82rem;
        word-break: break-all;
        margin-bottom: 16px;
        color: var(--cl);
    }

    .amount-chips { display: flex; gap: 7px; flex-wrap: wrap; justify-content: center; margin-bottom: 16px; }
    .amount-chip {
        border: 1px solid var(--line-hard);
        padding: 6px 13px;
        font-family: var(--display);
        font-size: 0.95rem;
        font-weight: 700;
        color: var(--bone-2);
    }

    /* ==========================================================
       SPONSORS
       ========================================================== */
    .tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line);
        border: 1px solid var(--line); margin: 26px 0 28px; }
    .tier { background: var(--ink-2); padding: 26px 22px; }
    .tier.gold { background: var(--ink-3); box-shadow: inset 0 3px 0 var(--oro); }
    .tier-name { color: var(--bone-3); }
    .tier-amount { font-family: var(--display); font-size: 2.6rem; font-weight: 900; line-height: 0.85;
        margin: 8px 0 14px; font-variant-numeric: tabular-nums; }
    .tier.gold .tier-amount { color: var(--oro); }
    .tier ul { list-style: none; display: grid; gap: 8px; }
    .tier li { font-size: 0.86rem; color: var(--bone-2); padding-left: 18px; position: relative; line-height: 1.45; }
    .tier li::before { content: '—'; position: absolute; left: 0; color: var(--cl); }

    .sponsors-grid { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; justify-content: center; }
    .sponsor-item {
        background: var(--ink-3);
        border: 1px solid var(--line);
        padding: 18px 26px;
        display: flex;
        align-items: center;
        gap: 14px;
    }
    .sponsor-item img { max-height: 52px; max-width: 150px; object-fit: contain; filter: grayscale(1) brightness(1.6); }
    .sponsor-item:hover img { filter: none; }
    .sponsor-item span { font-family: var(--display); font-size: 1.1rem; font-weight: 700; text-transform: uppercase; }

    /* ==========================================================
       COLABORADORES
       ========================================================== */
    .supporters-header { display: flex; justify-content: space-between; align-items: baseline; gap: 14px;
        margin-bottom: 20px; flex-wrap: wrap; }
    .supporters-header h2 { font-size: clamp(1.7rem, 4vw, 2.4rem); }
    .supporters-count { color: var(--bone-3); font-size: 0.74rem; text-transform: uppercase;
        letter-spacing: 0.12em; font-weight: 700; border: 1px solid var(--line); padding: 5px 11px; }

    .supporters-tabs { display: flex; gap: 0; border-bottom: 1px solid var(--line); margin-bottom: 6px; }
    .supporters-tab {
        padding: 11px 16px;
        font-family: var(--text);
        font-size: 0.72rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.12em;
        color: var(--bone-3);
        cursor: pointer;
        border: 0;
        border-bottom: 2px solid transparent;
        margin-bottom: -1px;
        background: none;
        transition: all 0.16s;
    }
    .supporters-tab.active { color: var(--bone); border-bottom-color: var(--cl); }
    .supporters-tab:hover { color: var(--bone); }

    .supporter-list { list-style: none; }
    .supporter-item { display: flex; align-items: flex-start; gap: 15px; padding: 15px 0;
        border-bottom: 1px solid var(--line); }
    .supporter-item:last-child { border-bottom: none; }

    .supporter-avatar {
        width: 40px; height: 40px;
        background: var(--ink-4);
        color: var(--cl);
        display: flex; align-items: center; justify-content: center;
        font-family: var(--display);
        font-weight: 800;
        font-size: 1.25rem;
        flex-shrink: 0;
    }
    .supporter-avatar.anonymous { color: var(--bone-3); }

    .supporter-info { flex: 1; min-width: 0; }
    .supporter-top { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
    .supporter-name { font-family: var(--display); font-size: 1.08rem; font-weight: 700; text-transform: uppercase; }
    .supporter-amount { font-family: var(--display); font-size: 1.15rem; font-weight: 800; color: var(--verde);
        white-space: nowrap; font-variant-numeric: tabular-nums; }
    .supporter-message { color: var(--bone-2); font-size: 0.88rem; font-style: italic; margin-top: 5px; line-height: 1.5; }
    .supporter-date { font-size: 0.7rem; color: var(--bone-3); margin-top: 4px; text-transform: uppercase; letter-spacing: 0.1em; }

    .no-supporters { text-align: center; padding: 34px 0; color: var(--bone-3); }
    .no-supporters .emoji { font-size: 2rem; margin-bottom: 10px; opacity: 0.5; }
    .no-supporters strong { color: var(--bone); }

    .view-more-btn {
        display: none;
        width: 100%;
        padding: 14px;
        margin-top: 16px;
        background: transparent;
        border: 1px solid var(--line);
        color: var(--bone-2);
        font-family: var(--text);
        font-weight: 700;
        font-size: 0.74rem;
        text-transform: uppercase;
        letter-spacing: 0.12em;
        cursor: pointer;
    }
    .view-more-btn:hover { border-color: var(--cl); color: var(--cl); }
    .view-more-btn.visible { display: block; }

    .thanks-note {
        margin-top: 20px;
        padding: 17px 20px;
        border-left: 3px solid var(--verde);
        background: var(--ink-3);
        font-size: 0.9rem;
        color: var(--bone-2);
    }
    .thanks-note strong { color: var(--bone); }

    /* Plegable de sección: el contenido cerrado no se renderiza, así que además
       de acortar la página le saca peso real al celular. */
    details.plegable { margin-top: 4px; }
    details.plegable > summary {
        display: flex;
        align-items: center;
        gap: 14px;
        cursor: pointer;
        list-style: none;
        padding: 20px 22px;
        background: var(--ink-2);
        border: 1px solid var(--line);
        font-family: var(--display);
        font-size: clamp(1.15rem, 3vw, 1.5rem);
        font-weight: 800;
        text-transform: uppercase;
        color: var(--bone);
        transition: border-color 0.18s ease, color 0.18s ease;
    }
    details.plegable > summary::-webkit-details-marker { display: none; }
    details.plegable > summary:hover { border-color: var(--cl); color: var(--cl); }
    details.plegable > summary::after {
        content: '+';
        margin-left: auto;
        font-size: 1.5em;
        line-height: 1;
        color: var(--cl);
    }
    details.plegable[open] > summary::after { content: '–'; }
    details.plegable > summary .cuenta {
        font-family: var(--text);
        font-size: 0.7rem;
        font-weight: 700;
        letter-spacing: 0.12em;
        color: var(--bone-3);
        text-transform: uppercase;
    }
    details.plegable > .contenido { padding-top: 20px; }

    details.legacy { margin-top: 20px; border-top: 1px solid var(--line); padding-top: 16px; }
    details.legacy summary {
        cursor: pointer;
        font-family: var(--display);
        font-weight: 700;
        font-size: 1.05rem;
        text-transform: uppercase;
        color: var(--cl);
        list-style: none;
    }
    details.legacy summary::-webkit-details-marker { display: none; }
    details.legacy summary::before { content: '+ '; }
    details.legacy[open] summary::before { content: '– '; }

    /* ==========================================================
       HISTORIA
       ========================================================== */
    .story-card p { color: var(--bone-2); font-size: 1.04rem; margin-bottom: 16px; line-height: 1.7; }
    .story-card p:last-child { margin-bottom: 0; }
    .story-card p strong { color: var(--bone); }

    .story-highlight {
        border-left: 3px solid var(--cl);
        background: var(--ink-3);
        padding: 20px 24px;
        margin: 24px 0;
        font-family: var(--display);
        font-size: clamp(1.25rem, 2.8vw, 1.7rem);
        font-weight: 700;
        text-transform: uppercase;
        line-height: 1.05;
        color: var(--bone);
    }
    .story-highlight strong { color: var(--cl); }

    .facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line);
        border: 1px solid var(--line); margin-top: 30px; }
    .fact { background: var(--ink-3); padding: 22px; }
    .fact .fact-num { font-family: var(--display); font-size: 2.6rem; font-weight: 900; line-height: 0.85; color: var(--cl); }
    .fact .fact-label { font-size: 0.72rem; color: var(--bone-3); text-transform: uppercase;
        letter-spacing: 0.1em; margin-top: 8px; font-weight: 600; }

    /* ==========================================================
       LÍNEA DE TIEMPO
       ========================================================== */
    /* Saltea el renderizado de las entradas que están lejos del viewport:
       la línea de tiempo tiene fotos y dos videos y es la parte más pesada. */
    .tl-entry {
        content-visibility: auto;
        contain-intrinsic-size: auto 520px;
        position: relative;
        background: var(--ink-2);
        border: 1px solid var(--line);
        border-left: 3px solid var(--ink-4);
        padding: clamp(22px, 3.4vw, 32px);
        margin-bottom: 20px;
    }
    .tl-entry.highlight { border-left-color: var(--oro); }
    .tl-entry.win { border-left-color: var(--verde); }

    .tl-when { display: block; font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
        letter-spacing: 0.14em; color: var(--bone-3); margin-bottom: 8px; }

    .tl-entry h3 { font-size: clamp(1.4rem, 3.4vw, 2rem); margin-bottom: 14px; }
    .tl-entry p { color: var(--bone-2); line-height: 1.65; margin-bottom: 14px; }
    .tl-entry p:last-child { margin-bottom: 0; }
    .tl-entry p strong { color: var(--bone); }

    .tl-badge {
        display: inline-flex;
        align-items: center;
        gap: 7px;
        font-size: 0.64rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.14em;
        padding: 5px 11px;
        margin-bottom: 12px;
        background: var(--oro);
        color: var(--ink);
    }
    .tl-badge.win { background: var(--verde); color: var(--ink); }

    .video-embed {
        position: relative;
        width: 100%;
        padding-bottom: 56.25%;
        height: 0;
        overflow: hidden;
        border: 1px solid var(--line);
        margin-top: 10px;
    }
    .video-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

    /* Facade: miniatura liviana; el iframe de YouTube se crea recién al tocar.
       Varios iframes de YouTube en la misma página congelan Android. */
    .video-facade {
        position: absolute;
        inset: 0;
        width: 100%;
        height: 100%;
        display: block;
        padding: 0;
        border: 0;
        background: #000;
        cursor: pointer;
        overflow: hidden;
    }
    .video-facade img {
        width: 100%; height: 100%;
        object-fit: cover;
        opacity: 0.8;
        filter: grayscale(1) contrast(1.15);
    }
    .video-facade:hover img { opacity: 1; filter: none; }
    .video-play-btn {
        position: absolute;
        top: 50%; left: 50%;
        transform: translate(-50%, -50%);
        width: 72px; height: 50px;
        background: rgba(10,11,13,0.82);
        border: 2px solid var(--bone);
        display: flex; align-items: center; justify-content: center;
        transition: background 0.2s, border-color 0.2s;
    }
    .video-facade:hover .video-play-btn { background: var(--cl); border-color: var(--cl); }
    .video-play-btn::after {
        content: '';
        width: 0; height: 0;
        border-style: solid;
        border-width: 10px 0 10px 17px;
        border-color: transparent transparent transparent var(--bone);
        margin-left: 4px;
    }
    .video-facade:hover .video-play-btn::after { border-left-color: var(--ink); }
    .video-facade .vf-label {
        position: absolute;
        left: 0; right: 0; bottom: 0;
        padding: 10px 14px;
        font-size: 0.74rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.1em;
        color: var(--bone-2);
        background: linear-gradient(180deg, transparent, rgba(10,11,13,0.9));
    }

    /* Fotos en duotono: unifica material de teléfono de calidad dispar.
       Al pasar el cursor / tocar, se revela la foto real. */
    .media-grid, .gallery-grid { display: grid; gap: 8px; }
    .media-grid { grid-template-columns: repeat(3, 1fr); margin-top: 10px; }
    .gallery-grid { grid-template-columns: repeat(3, 1fr); }

    .media-grid img, .gallery-grid img, .tl-img {
        width: 100%;
        cursor: pointer;
        filter: grayscale(1) contrast(1.15);
    }
    @media (hover: hover) {
        .media-grid img, .gallery-grid img, .tl-img {
            transition: filter 0.45s ease, transform 0.45s cubic-bezier(0.16,1,0.3,1);
        }
    }
    .media-grid img, .gallery-grid img {
        aspect-ratio: 4/3;
        object-fit: cover;
    }
    @media (hover: hover) {
        .media-grid img:hover, .gallery-grid img:hover, .tl-img:hover {
            filter: none;
            transform: scale(1.015);
        }
    }
    .tl-img { display: block; border: 1px solid var(--line); }

    .media-videos { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 10px; }
    .media-videos video { width: 100%; max-height: 460px; background: #000; border: 1px solid var(--line); }

    /* ==========================================================
       COMPARTIR + FOOTER
       ========================================================== */
    .share-section { text-align: center; }
    .share-section p { font-size: clamp(1.15rem, 3vw, 1.6rem); color: var(--bone);
        margin-bottom: 24px; font-family: var(--display); font-weight: 700; text-transform: uppercase;
        line-height: 1.05; max-width: 30ch; margin-left: auto; margin-right: auto; }
    .share-section p strong { color: var(--cl); }
    .share-section .btn-row { justify-content: center; }

    footer {
        text-align: center;
        padding: 40px var(--gut) 56px;
        color: var(--bone-3);
        font-size: 0.78rem;
        border-top: 2px solid var(--line-hard);
        background: var(--ink-2);
    }
    footer p + p { margin-top: 8px; }

    /* ==========================================================
       LIGHTBOX
       ========================================================== */
    .lightbox {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(5,6,8,0.96);
        z-index: 1000;
        align-items: center;
        justify-content: center;
        cursor: zoom-out;
    }
    .lightbox.active { display: flex; }
    .lightbox img { max-width: 92vw; max-height: 92vh; object-fit: contain; border: 1px solid var(--line-hard); }

    /* ==========================================================
       CTA FIJO (celular)
       ========================================================== */
    .sticky-cta {
        position: fixed;
        left: 0; right: 0; bottom: 0;
        z-index: 90;
        display: none !important;
        gap: 12px;
        background: var(--ink-2);
        border-top: 2px solid var(--cl);
        padding: 11px var(--gut);
        align-items: center;
    }
    .sticky-cta .sc-text {
        font-family: var(--display);
        font-size: 1.05rem;
        font-weight: 800;
        text-transform: uppercase;
        line-height: 1;
        flex: 1;
    }
    .sticky-cta .sc-text span {
        display: block;
        font-family: var(--text);
        font-weight: 600;
        font-size: 0.7rem;
        color: var(--bone-3);
        margin-top: 4px;
        letter-spacing: 0.06em;
        text-transform: none;
    }
    .sticky-cta .btn { padding: 12px 18px; font-size: 0.78rem; }

    /* ==========================================================
       REVELADO AL SCROLLEAR
       ========================================================== */
    .fade-in {
        opacity: 0;
        transform: translateY(26px);
        transition: opacity 0.7s cubic-bezier(0.16,1,0.3,1), transform 0.7s cubic-bezier(0.16,1,0.3,1);
    }
    .fade-in.visible { opacity: 1; transform: none; }

    /* ==========================================================
       RESPONSIVE
       ========================================================== */
    @media (max-width: 960px) {
        .lab-layout { grid-template-columns: 1fr; }
        .annotations { max-height: none; }
        .prog-card { grid-template-columns: 1fr; gap: 20px; }
        .prog-stats { justify-content: space-between; }
    }

    @media (max-width: 820px) {
        .lab-nav { grid-template-columns: 1fr; }
        .lab-nav a {
            border-right: 0;
            border-bottom: 1px solid var(--line);
            display: grid;
            grid-template-columns: 46px 1fr;
            column-gap: 14px;
            row-gap: 5px;
            align-items: baseline;
            padding: 18px var(--gut) 22px 0;
        }
        .lab-nav a:last-child { border-bottom: 0; }
        .ln-icon { grid-area: 1 / 1; margin-bottom: 0; font-size: 2.1rem; }
        .ln-title { grid-area: 1 / 2; }
        .ln-desc { grid-area: 2 / 2; }
        .facts, .tiers { grid-template-columns: 1fr; }
        .pay-grid { grid-template-columns: 1fr; }
    }

    @media (max-width: 720px) {
        body { font-size: 16px; padding-bottom: 78px; }
        .media-grid, .gallery-grid { grid-template-columns: repeat(2, 1fr); }
        .media-videos { grid-template-columns: 1fr; }
        .ctrl-grid { grid-template-columns: 1fr; gap: 12px; }
        .ctrl-foot .btn { width: 100%; }
        .ctrl label output { font-size: 1.4rem; }
        .tec-grid, .rutina-grid { grid-template-columns: 1fr; }
        .sticky-cta.show { display: flex !important; }

        /* El escenario tiene que entrar junto con los controles */
        .game-stage { aspect-ratio: 7 / 6; }
        .game-stage.con-panel { aspect-ratio: auto; min-height: 300px; }
        .game-stage.con-panel .drill-overlay,
        .game-stage.con-panel .result-panel { position: relative; inset: auto; overflow: visible; }
        .controls { padding: 14px; }
        .ctrl-foot { margin-top: 12px; padding-top: 12px; }
        .game-hud { padding: 9px 14px; }
        .ctrl input[type=range] { height: 28px; }
        .ctrl label { margin-bottom: 4px; }
        .hud-tecnica .hud-label { display: none; }
        .hud-score { font-size: 1.15rem; }
        .drill-title { font-size: clamp(1.4rem, 6.4vw, 1.9rem); }
    }

    @media (max-width: 460px) {
        .supporter-top { flex-direction: column; gap: 3px; }
        .scout-row { grid-template-columns: 70px 1fr 40px; }
        .prog-stats { gap: 14px; }
        .pstat-num { font-size: 1.6rem; }
    }

    @media (prefers-reduced-motion: reduce) {
        html { scroll-behavior: auto; }
        .fade-in { opacity: 1; transform: none; transition: none; }
        .hero h1 .l > span { transform: none; animation: none; }
        .hero-sub, .lab-nav { opacity: 1; animation: none; }
        .ticker-track { animation: none; }
    }

    /* Wordmark chico arriba del titular */
    .wordmark {
        display: block;
        font-family: var(--text);
        font-size: 0.76rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.22em;
        color: var(--bone-3);
        margin-bottom: 14px;
    }
    .wordmark b { color: var(--cl); font-weight: 700; }

    /* Franja para grandes: separa visualmente el camino adulto */
    .para-grandes {
        border-top: 2px solid var(--line-hard);
        border-bottom: 2px solid var(--line-hard);
        background: var(--ink-2);
        padding: clamp(22px, 3.4vw, 34px) 0;
    }
    .para-grandes .wrap { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
    .para-grandes .pg-txt { flex: 1; min-width: 240px; }
    .para-grandes h3 { font-size: clamp(1.4rem, 3.4vw, 2rem); margin-bottom: 6px; }
    .para-grandes p { color: var(--bone-2); font-size: 0.95rem; max-width: 62ch; }

    /* La clave de la técnica: la línea que un chico de 10 se tiene que llevar */
    .teo-clave {
        font-family: var(--display);
        font-size: clamp(1.5rem, 4vw, 2.1rem);
        font-weight: 900;
        text-transform: uppercase;
        line-height: 0.95;
        color: var(--cl);
        border-left: 4px solid var(--cl);
        padding: 4px 0 4px 16px;
        margin-bottom: 4px;
    }

/* ==========================================================
   CÁSCARA MULTIPÁGINA — una pantalla, un trabajo
   ========================================================== */
.topbar {
    position: sticky;
    top: 0;
    z-index: 80;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 12px var(--gut);
    background: rgba(10,11,13,0.92);
    border-bottom: 1px solid var(--line);
    backdrop-filter: saturate(1.4) blur(6px);
}
.marca {
    font-family: var(--display);
    font-size: 1.15rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    color: var(--bone);
    text-decoration: none;
}
.marca b { color: var(--cl); }
.marca:hover { text-decoration: none; }
.topbar-meta {
    font-family: var(--display);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--bone-2);
    text-decoration: none;
    border: 1px solid var(--line);
    padding: 6px 11px;
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}
.topbar-meta:hover { border-color: var(--cl); color: var(--cl); text-decoration: none; }

/* Barra de pestañas: siempre visible, siempre sabés dónde estás */
.tabbar {
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 90;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: rgba(10,11,13,0.96);
    border-top: 1px solid var(--line);
    backdrop-filter: blur(8px);
    padding-bottom: env(safe-area-inset-bottom, 0);
}
.tab {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 11px 4px 13px;
    min-height: 60px;
    color: var(--bone-3);
    text-decoration: none;
    font-size: 0.66rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: color 0.16s ease;
}
.tab:hover { color: var(--bone); text-decoration: none; }
.tab svg { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 2; }
.tab.on { color: var(--cl); }
.tab.on::before {
    content: '';
    position: absolute;
    top: 0; left: 18%; right: 18%;
    height: 3px;
    background: var(--cl);
}
body { padding-bottom: 74px; }

/* ---------- Portada: tarjetas grandes, una por destino ---------- */
.portada-hero { padding: clamp(28px, 6vw, 52px) 0 clamp(20px, 4vw, 30px); }
.portada-hero h1 {
    font-size: clamp(2.6rem, 12vw, 5rem);
    font-weight: 900;
    line-height: 0.85;
    margin-bottom: 14px;
}
.portada-hero h1 .cl { color: var(--cl); }
.portada-hero p { color: var(--bone-2); max-width: 42ch; font-size: 1.02rem; }

.destinos { display: grid; gap: 12px; padding-bottom: clamp(30px, 6vw, 50px); }

.destino {
    position: relative;
    display: block;
    min-height: 132px;
    padding: 20px 22px;
    border: 1px solid var(--line);
    overflow: hidden;
    color: var(--bone);
    text-decoration: none;
    isolation: isolate;
}
.destino:hover { text-decoration: none; border-color: var(--cl); }
.destino img {
    position: absolute;
    inset: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    z-index: -2;
    filter: grayscale(1) brightness(0.42) contrast(1.2);
}
.destino::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(90deg, rgba(10,11,13,0.92) 0%, rgba(10,11,13,0.62) 70%, rgba(10,11,13,0.4) 100%);
}
.destino .dn {
    font-family: var(--display);
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--cl);
    line-height: 1;
    display: block;
    margin-bottom: 8px;
}
.destino h2 {
    font-size: clamp(1.5rem, 5vw, 2.1rem);
    margin-bottom: 6px;
}
.destino p { font-size: 0.9rem; color: var(--bone-2); max-width: 34ch; }
.destino .dflecha {
    position: absolute;
    right: 20px; bottom: 18px;
    font-size: 1.4rem;
    color: var(--cl);
}

@media (min-width: 800px) {
    .destinos { grid-template-columns: 1fr 1fr; }
    .tabbar { grid-template-columns: repeat(4, minmax(0, 150px)); justify-content: center; }
}