/* METRAJE — Central de Cómputos (submarca de Revista Máxima): por ahora el mismo sistema de diseño que Máxima (negro y blanco, DM Sans, Impact), modo oscuro y claro. */
@font-face { font-family: 'DM Sans'; font-style: normal; font-weight: 300 600; font-display: swap; src: url('/fonts/dmsans-latin-ext.woff2') format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'DM Sans'; font-style: normal; font-weight: 300 600; font-display: swap; src: url('/fonts/dmsans-latin.woff2') format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
    --bg: #050505; --surface: #0e0e0e; --surface-2: #151515; --line: #262626; --line-soft: #1a1a1a;
    --fg: #f5f5f5; --fg-mute: #9a9a9a; --fg-dim: #6b6b6b; --on-fg: #050505; --hover: rgba(255,255,255,0.07);
    --display: Impact, Haettenschweiler, 'Arial Narrow Bold', sans-serif;
    --sans: 'DM Sans', system-ui, sans-serif;
    --nav-h: 60px; --ease: cubic-bezier(0.16, 1, 0.3, 1);
    color-scheme: dark;
}
:root[data-theme="light"] {
    --bg: #ffffff; --surface: #f6f6f6; --surface-2: #ececec; --line: #d6d6d6; --line-soft: #e6e6e6;
    --fg: #0a0a0a; --fg-mute: #555555; --fg-dim: #8a8a8a; --on-fg: #ffffff; --hover: rgba(0,0,0,0.06);
    color-scheme: light;
}
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 8px); }
body { background: var(--bg); color: var(--fg); font-family: var(--sans); font-weight: 400; line-height: 1.55; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--fg); outline-offset: 2px; }
button { font-family: inherit; color: inherit; cursor: pointer; }

/* marca */
.logo-mark { font-family: var(--display); font-size: 30px; line-height: 1; background: var(--fg); color: var(--on-fg); padding: 4px 9px 2px; display: inline-block; letter-spacing: 0.01em; }
.logo-mark sup { font-size: 0.5em; vertical-align: top; position: relative; top: -0.15em; margin-left: 1px; }
.nav-marca { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.logo-txt { display: grid; line-height: 1.05; }
.logo-txt b { font-family: var(--display); font-weight: 400; font-size: 22px; letter-spacing: 0.06em; }
.logo-txt small { font-size: 9.5px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--fg-mute); margin-top: 2px; }

/* botones */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 26px; border: 1px solid var(--fg); background: transparent; color: var(--fg); text-decoration: none; font-size: 14px; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; transition: background .25s var(--ease), color .25s var(--ease); }
.btn:hover { background: var(--fg); color: var(--on-fg); }
.btn-lleno { background: var(--fg); color: var(--on-fg); }
.btn-lleno:hover { background: transparent; color: var(--fg); }
.btn-chico { padding: 9px 18px; font-size: 12px; }
.icono { background: none; border: 1px solid var(--line); width: 36px; height: 36px; font-size: 16px; }
.icono:hover { background: var(--hover); }

/* navegación */
.nav { position: fixed; top: 0; left: 0; right: 0; height: var(--nav-h); z-index: 20; display: flex; align-items: center; gap: 24px; padding: 0 clamp(16px, 4vw, 40px); background: color-mix(in srgb, var(--bg) 94%, transparent); border-bottom: 1px solid var(--line-soft); }
.nav-links { display: flex; gap: 4px; flex: 1; justify-content: center; }
.nav-links a { padding: 8px 14px; text-decoration: none; font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--fg-mute); border-bottom: 2px solid transparent; }
.nav-links a:hover, .nav-links a.activo { color: var(--fg); }
.nav-links a.activo { border-bottom-color: var(--fg); }
.nav-der { display: flex; align-items: center; gap: 10px; }

/* intro sobre el visor 3D (la portada y el configurador son un solo visor) */
.kicker { font-size: 11.5px; font-weight: 500; letter-spacing: 0.18em; color: var(--fg-mute); margin-bottom: 18px; }
h1 { font-family: var(--display); font-weight: 400; text-transform: uppercase; font-size: clamp(44px, 6.9vw, 96px); line-height: 0.95; letter-spacing: 0.005em; }
.bajada { margin: 26px 0 30px; font-size: clamp(16px, 1.7vw, 19px); color: var(--fg-mute); max-width: 520px; }
.hero-botones { display: flex; flex-wrap: wrap; gap: 12px; }

/* secciones */
.seccion { padding: clamp(64px, 10vw, 128px) 0; }
.cont { width: min(1120px, 100% - 2 * clamp(16px, 5vw, 40px)); margin: 0 auto; }
.cont-angosto { width: min(760px, 100% - 2 * clamp(16px, 5vw, 40px)); }
h2 { font-family: var(--display); font-weight: 400; text-transform: uppercase; font-size: clamp(30px, 5vw, 56px); line-height: 1.02; max-width: 18ch; margin-bottom: 40px; }
.bajada-sec { color: var(--fg-mute); max-width: 60ch; margin: -16px 0 36px; font-size: 17px; }
.bajada-sec b { color: var(--fg); font-weight: 500; }
h3 { font-size: 20px; font-weight: 500; margin: 6px 0 10px; }

.tres { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.tres article, .dos article { border-top: 1px solid var(--fg); padding-top: 18px; }
.tres p, .dos p { color: var(--fg-mute); }
.num { font-family: var(--display); font-size: 15px; letter-spacing: 0.1em; color: var(--fg-dim); }
.dos { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 32px; }

.pasos { list-style: none; counter-reset: p; display: grid; gap: 0; max-width: 760px; }
.pasos li { counter-increment: p; display: grid; grid-template-columns: 56px 1fr; gap: 4px 12px; padding: 22px 0; border-top: 1px solid var(--line); }
.pasos li::before { content: counter(p, decimal-leading-zero); font-family: var(--display); font-size: 28px; color: var(--fg-dim); grid-row: span 2; }
.pasos b { font-size: 19px; font-weight: 500; }
.pasos span { color: var(--fg-mute); }


/* ejemplos ilustrativos */
.ej { border: 1px solid var(--line); background: var(--bg); padding: 22px; }
.ej figcaption { font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 18px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px; }
.ej figcaption em { font-style: normal; color: var(--fg-dim); letter-spacing: 0.02em; text-transform: none; }
.barras { display: grid; gap: 12px; }
.barras div { display: grid; grid-template-columns: 84px 1fr; align-items: center; gap: 12px; font-size: 14px; }
.barras i { display: block; height: 30px; width: calc(var(--v) * 0.8); background: var(--fg); position: relative; }
.barras i b { position: absolute; right: 8px; top: 50%; transform: translateY(-50%); color: var(--on-fg); font-weight: 500; font-size: 13px; font-style: normal; }
.tabla { width: 100%; border-collapse: collapse; font-size: 14px; }
.tabla th { text-align: left; font-weight: 500; color: var(--fg-mute); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; padding: 0 0 8px; }
.tabla td { padding: 9px 0; border-top: 1px solid var(--line-soft); }
.tabla td:nth-child(2), .tabla th:nth-child(2) { text-align: right; font-variant-numeric: tabular-nums; padding-right: 14px; }
.gantt { display: grid; gap: 8px; }

/* contacto */
.seccion-contacto { background: var(--fg); color: var(--on-fg); }
.seccion-contacto .kicker, .seccion-contacto .bajada-sec { color: color-mix(in srgb, var(--on-fg) 62%, transparent); }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form label, .form fieldset { display: grid; gap: 6px; font-size: 13px; letter-spacing: 0.04em; text-transform: uppercase; border: 0; }
.form fieldset { grid-column: 1 / -1; grid-auto-flow: column; justify-content: start; gap: 8px 22px; align-items: center; flex-wrap: wrap; }
.form legend { grid-column: 1 / -1; float: left; margin-bottom: 6px; font-size: 13px; letter-spacing: 0.04em; text-transform: uppercase; }
.form input[type=text], .form input[type=number], .form select { background: transparent; border: 1px solid color-mix(in srgb, var(--on-fg) 45%, transparent); color: var(--on-fg); padding: 13px 14px; font: inherit; font-size: 16px; text-transform: none; letter-spacing: 0; border-radius: 0; }
.form select option { color: #0a0a0a; background: #fff; }
.form .chk { display: inline-flex; grid-auto-flow: column; align-items: center; gap: 8px; text-transform: none; letter-spacing: 0; font-size: 16px; }
.form .chk input { width: 18px; height: 18px; accent-color: var(--on-fg); }
.form .btn { grid-column: 1 / -1; justify-self: start; background: var(--on-fg); color: var(--fg); border-color: var(--on-fg); }
.form .btn:hover { background: transparent; color: var(--on-fg); }
.form-nota { grid-column: 1 / -1; font-size: 12.5px; color: color-mix(in srgb, var(--on-fg) 62%, transparent); }

.pie { border-top: 1px solid var(--line-soft); padding: 36px 0 48px; }
.pie-cont { display: grid; gap: 16px; }
.pie-links { display: flex; flex-wrap: wrap; gap: 8px 28px; color: var(--fg-mute); font-size: 14px; }
.pie-legal { color: var(--fg-dim); font-size: 12.5px; max-width: 80ch; }

/* acceso */
.acceso { position: fixed; inset: 0; z-index: 100; background: var(--bg); display: grid; place-items: center; padding: 20px; }
.acceso[hidden] { display: none; }
.acceso-caja { width: min(380px, 100%); display: grid; gap: 14px; }
.acceso-caja h1 { font-size: 34px; margin: 8px 0 0; }
.acceso-caja p { color: var(--fg-mute); font-size: 14px; }
.acceso-caja label { display: grid; gap: 6px; font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--fg-mute); }
.acceso-caja input { background: var(--surface); border: 1px solid var(--line); color: var(--fg); padding: 12px 14px; font: inherit; font-size: 16px; }
.acceso-error { color: #ff6b6b !important; }
.acceso-caja .logo-mark { justify-self: start; }

/* despiece de la obra */
.seccion-despiece { padding-bottom: 0; background: var(--bg); }
.despiece-caja { position: relative; height: min(88svh, 760px); min-height: 560px; border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); overflow: hidden; }
#despieceCanvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; touch-action: pan-y; cursor: grab; }
.despiece-panel { position: absolute; left: clamp(16px, 5vw, 72px); top: 28px; width: min(340px, 86vw); display: grid; gap: 14px; pointer-events: none; }
.despiece-lista { display: grid; gap: 6px; pointer-events: auto; }
.capa-btn { display: flex; align-items: center; gap: 12px; text-align: left; padding: 9px 14px; border: 1px solid var(--line); background: color-mix(in srgb, var(--bg) 78%, transparent); font-size: 13px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--fg-mute); transition: all .25s var(--ease); }
.capa-btn span { font-family: var(--display); font-size: 15px; color: var(--fg-dim); }
.capa-btn:hover { border-color: var(--fg); color: var(--fg); }
.capa-btn.on { background: var(--fg); border-color: var(--fg); color: var(--on-fg); }
.capa-btn.on span { color: var(--on-fg); }
.despiece-texto { font-size: 14px; color: var(--fg-mute); background: color-mix(in srgb, var(--bg) 78%, transparent); padding: 4px 0; min-height: 3.2em; }
.despiece-texto b { color: var(--fg); font-weight: 500; }
.despiece-ctl, .det-ctl { display: flex; align-items: center; gap: 12px; }
.despiece-ctl { position: absolute; left: 50%; transform: translateX(-50%); bottom: 22px; width: min(520px, 88vw); padding: 10px 16px; background: color-mix(in srgb, var(--bg) 92%, transparent); border: 1px solid var(--line); }
.despiece-ctl button, .det-ctl button { background: none; border: 0; font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--fg-mute); padding: 4px 2px; }
.despiece-ctl button:hover, .det-ctl button:hover { color: var(--fg); }
input[type=range] { flex: 1; accent-color: var(--fg); height: 24px; cursor: pointer; }

/* detalles constructivos */
.seg-chico button { padding: 5px 10px; font-size: 11.5px; }
.despiece-panel .seg { pointer-events: auto; }
.car { position: relative; margin-top: 18px; }
.car-pista { display: flex; gap: 24px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; padding-bottom: 4px; }
.car-pista::-webkit-scrollbar { display: none; }
.car-pista .det { flex: 0 0 calc((100% - 48px) / 3); scroll-snap-align: start; min-width: 0; }
.car-fl { position: absolute; top: 28%; z-index: 4; width: 44px; height: 44px; border: 1px solid var(--line); background: var(--bg); color: var(--fg); font-size: 26px; line-height: 1; display: grid; place-items: center; }
.car-fl:hover:not(:disabled) { border-color: var(--fg); }
.car-fl:disabled { opacity: .25; cursor: default; }
#carPrev { left: -16px; } #carNext { right: -16px; }
.det-desc { font-size: 13.5px; color: var(--fg-mute); }
.det-mat { list-style: none; display: grid; gap: 3px; font-size: 13px; color: var(--fg-mute); border-top: 1px solid var(--line-soft); padding-top: 8px; }
.det-mat b { font-family: var(--mono); font-weight: 500; color: var(--fg); margin-right: 4px; }
.det-mat .mas { color: var(--fg-dim); }
.det-ctl { display: flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--fg-dim); }
.det-ctl input { flex: 1; }
@media (max-width: 1100px) { .car-pista .det { flex-basis: calc((100% - 24px) / 2); } }
@media (max-width: 700px) { .car-pista .det { flex-basis: 100%; } #carPrev { left: -6px; } #carNext { right: -6px; } }
.det { display: grid; gap: 10px; align-content: start; }
.det-visor { position: relative; aspect-ratio: 4 / 3; border: 1px solid var(--line); background: var(--surface); }
.det-visor canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; touch-action: pan-y; cursor: grab; }
.tip { position: absolute; z-index: 3; pointer-events: none; background: var(--fg); color: var(--on-fg); padding: 4px 9px; font-size: 12px; white-space: nowrap; }
.det h3 { font-size: 18px; margin: 4px 0 0; }
.det p { color: var(--fg-mute); font-size: 14.5px; }
.det details { border-top: 1px solid var(--line); padding-top: 8px; font-size: 14px; color: var(--fg-mute); }
.det summary { cursor: pointer; color: var(--fg); letter-spacing: 0.04em; font-size: 13px; text-transform: uppercase; }
.det ol { margin: 10px 0 4px 18px; display: grid; gap: 4px; }
.detalles-aviso { margin-top: 28px; font-size: 12.5px; color: var(--fg-dim); }
.sin-3d canvas { display: none; }

@media (max-width: 760px) {
    .despiece-panel { top: 14px; }
    .despiece-lista { grid-template-columns: 1fr 1fr; }
    .capa-btn { padding: 7px 9px; font-size: 11px; }
    .despiece-texto { display: none; }
    .despiece-caja { min-height: 640px; }
    .nav-links { display: none; }
    .nav { justify-content: space-between; }
    h1 { font-size: clamp(40px, 12.5vw, 64px); }
    .bajada { font-size: 15px; margin: 16px 0 18px; }
    .form { grid-template-columns: 1fr; }
    }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }

/* ─── METRAJE: tecnología y modelado 3D ─────────────────────────────── */
:root { --mono: ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace; }

/* configurador */
.cfg { padding: 0; }
.cfg-escena { position: relative; height: calc(100svh + 40svh); min-height: 760px; }
.cfg-visor { --p: 0; position: sticky; top: 0; height: 100svh; min-height: 600px; border-bottom: 1px solid var(--line-soft); overflow: hidden; background-image: linear-gradient(var(--line-soft) 1px, transparent 1px), linear-gradient(90deg, var(--line-soft) 1px, transparent 1px); background-size: 48px 48px; background-position: center; }
.intro h1 { font-size: clamp(40px, 5.4vw, 82px); }
.cfg-visor .bajada { font-family: var(--mono); font-size: 14px; letter-spacing: .04em; max-width: 36ch; }
#cfgCanvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; touch-action: pan-y; cursor: grab; }
.hud { position: absolute; right: clamp(14px, 3vw, 40px); top: 18px; display: flex; gap: 24px; z-index: 3; pointer-events: none; }
.hud div { display: grid; justify-items: end; }
.hud b { font-family: var(--mono); font-weight: 500; font-size: 24px; line-height: 1; font-variant-numeric: tabular-nums; }
.hud span { font-family: var(--mono); font-size: 9.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--fg-mute); margin-top: 4px; }
.cfg-top { position: absolute; left: clamp(14px, 2vw, 28px); top: 16px; z-index: 3; display: grid; gap: 8px; max-width: calc(100% - 28px); }
.cfg-sub { font-family: var(--mono); font-size: 11.5px; color: var(--fg-mute); letter-spacing: .04em; }
.seg { display: flex; flex-wrap: wrap; gap: 6px; }
.seg button { border: 1px solid var(--line); background: color-mix(in srgb, var(--bg) 72%, transparent); padding: 6px 11px; font-size: 12px; letter-spacing: .04em; color: var(--fg-mute); transition: all .2s var(--ease); }
.seg button:hover { border-color: var(--fg); color: var(--fg); }
.seg button.on { background: var(--fg); border-color: var(--fg); color: var(--on-fg); }
.seg-tip button { text-transform: uppercase; letter-spacing: .08em; padding: 8px 14px; font-weight: 500; }
.seg-presets { margin-bottom: 4px; }
.seg-presets button { border-style: dashed; }
.cfg-panel { position: absolute; left: clamp(14px, 2vw, 28px); top: 104px; bottom: 84px; width: min(310px, calc(100% - 28px)); overflow: auto; z-index: 3; background: color-mix(in srgb, var(--bg) 92%, transparent); border: 1px solid var(--line); padding: 16px; display: grid; gap: 16px; align-content: start; scrollbar-width: thin; }
.cfg-tit { font-family: var(--mono); font-size: 11px; letter-spacing: .2em; color: var(--fg-mute); margin-bottom: 2px; }
.cfg-tit em { font-style: normal; letter-spacing: .02em; color: var(--fg-dim); margin-left: 8px; text-transform: none; }
.cfg-panel { gap: 12px; width: min(340px, calc(100% - 28px)); padding: 14px; }
.cfg-sel { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 10px; }
.cfg-sel label { display: grid; gap: 4px; font-family: var(--mono); font-size: 9.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--fg-dim); min-width: 0; }
.cfg-sel select { width: 100%; min-width: 0; appearance: none; background: var(--bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%23888' stroke-width='1.4'/%3E%3C/svg%3E") no-repeat right 9px center; color: var(--fg); border: 1px solid var(--line); border-radius: 0; padding: 8px 24px 8px 9px; font: inherit; font-family: inherit; font-size: 12.5px; letter-spacing: 0; text-transform: none; cursor: pointer; text-overflow: ellipsis; }
.cfg-sel select:hover, .cfg-sel select:focus-visible { border-color: var(--fg); outline: none; }
.cfg-sel label.inactivo { opacity: .35; pointer-events: none; }
.cfg-computo { position: absolute; right: clamp(14px, 3vw, 40px); top: 78px; width: min(320px, calc(100% - 28px)); max-height: calc(100% - 170px); overflow: auto; z-index: 3; background: color-mix(in srgb, var(--bg) 92%, transparent); border: 1px solid var(--line); padding: 14px; scrollbar-width: thin; opacity: var(--p); }
.cfg-visor[data-intro="1"] .cfg-computo { pointer-events: none; }
.comp-resumen { list-style: none; display: grid; gap: 7px; margin-top: 10px; }
.comp-resumen li { display: grid; grid-template-columns: 1fr auto; column-gap: 10px; align-items: baseline; padding-top: 7px; border-top: 1px solid var(--line-soft); }
.comp-resumen span { font-family: var(--mono); font-size: 9.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--fg-dim); }
.comp-resumen b { font-family: var(--mono); font-weight: 500; font-size: 13px; font-variant-numeric: tabular-nums; }
.comp-resumen em { grid-column: 1 / -1; font-style: normal; font-size: 12px; color: var(--fg-mute); }
.comp-det { margin-top: 12px; border-top: 1px solid var(--line); padding-top: 10px; }
.comp-det summary { cursor: pointer; font-family: var(--mono); font-size: 10.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--fg-mute); }
.comp-det[open] summary { color: var(--fg); }
.comp-scroll { max-height: 38svh; overflow: auto; margin-top: 8px; scrollbar-width: thin; }
.cfg-computo .tabla-computo { font-size: 12px; }
.cfg-aviso span { display: block; font-size: 12px; line-height: 1.4; color: #e0a060; margin-top: 4px; }
.cfg-barra { position: absolute; left: 50%; transform: translateX(-50%); bottom: 18px; z-index: 3; display: flex; gap: 18px; align-items: center; flex-wrap: wrap; justify-content: center; background: color-mix(in srgb, var(--bg) 92%, transparent); border: 1px solid var(--line); padding: 10px 14px; max-width: calc(100% - 28px); }
.cfg-barra .seg button { text-transform: uppercase; letter-spacing: .08em; font-size: 11px; }
.cfg-nivel { display: flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 11px; color: var(--fg-mute); }
.cfg-nivel input { width: 120px; }
.seg-calidad::before { content: 'Calidad'; font-family: var(--mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--fg-dim); align-self: center; margin-right: 4px; }
.seg-calidad button { text-transform: uppercase; letter-spacing: .08em; font-size: 11px; }
.zoom { display: flex; gap: 4px; }
.zoom button { width: 32px; height: 30px; border: 1px solid var(--line); background: color-mix(in srgb, var(--bg) 72%, transparent); font-size: 16px; line-height: 1; }
.zoom button:hover { border-color: var(--fg); }
.tabla-computo { font-size: 14px; }
.tabla-computo tr.rubro td { font-family: var(--mono); font-size: 10.5px; letter-spacing: .2em; text-transform: uppercase; color: var(--fg-dim); padding-top: 18px; border-top: 0; }
.tabla-computo td.num { font-family: var(--mono); color: var(--fg); }
.tabla-computo td.un { color: var(--fg-mute); font-family: var(--mono); font-size: 12px; width: 56px; }
.tabla-computo tr.nuevo td { animation: destello 1.1s var(--ease); }
@keyframes destello { from { background: color-mix(in srgb, var(--fg) 16%, transparent); } to { background: transparent; } }

/* indicador de carga del modelo */
.cargando { position: absolute; z-index: 3; right: 24%; top: 50%; display: flex; align-items: center; gap: 12px; font-family: var(--mono); font-size: 11.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--fg-mute); transition: opacity .5s var(--ease), visibility .5s; }
.cargando i { width: 18px; height: 18px; border: 1.5px solid var(--line); border-top-color: var(--fg); border-radius: 50%; animation: gira .9s linear infinite; }
.cargando.listo { opacity: 0; visibility: hidden; }
@keyframes gira { to { transform: rotate(360deg); } }
@media (max-width: 900px) { .cargando { right: auto; left: 16px; top: 40%; } }
@media (prefers-reduced-motion: reduce) { .cargando i { animation: none; } }

/* intro: se desvanece a medida que se scrollea (--p va de 0 a 1, lo maneja js/configurador.js) */
.hero-vel { position: absolute; inset: 0; z-index: 2; pointer-events: none; opacity: calc(1 - var(--p)); background: linear-gradient(90deg, var(--bg) 0%, color-mix(in srgb, var(--bg) 78%, transparent) 38%, transparent 72%); }
.intro { position: absolute; z-index: 4; left: clamp(16px, 5vw, 72px); top: 50%; transform: translateY(-52%); max-width: min(620px, 92vw); opacity: calc(1 - var(--p) * 1.6); pointer-events: none; }
.intro a { pointer-events: auto; }
.cfg-visor[data-intro="0"] .intro a { pointer-events: none; }
.hud, .cfg-top, .cfg-panel, .cfg-barra { opacity: var(--p); }
.cfg-visor[data-intro="1"] .cfg-top, .cfg-visor[data-intro="1"] .cfg-panel, .cfg-visor[data-intro="1"] .cfg-barra { pointer-events: none; }
.bajar { position: absolute; z-index: 4; left: 50%; bottom: 20px; width: 44px; height: 44px; margin-left: -22px; display: grid; place-items: center; opacity: calc(0.75 - var(--p) * 1.5); }
.bajar span { width: 12px; height: 12px; border-right: 1.5px solid var(--fg-mute); border-bottom: 1.5px solid var(--fg-mute); transform: rotate(45deg); animation: bajar 2.2s ease-in-out infinite; }
@keyframes bajar { 0%, 100% { transform: translateY(-3px) rotate(45deg); opacity: .5; } 50% { transform: translateY(5px) rotate(45deg); opacity: 1; } }
.nav { transition: opacity .35s var(--ease); }
.nav.oculta { opacity: 0; pointer-events: none; }

/* entregables */
.barra-entregables { margin: 0; padding: 0 clamp(16px, 4vw, 40px) 8px; background: var(--surface); border-bottom: 1px solid var(--line-soft); }
.barra-entregables li { padding-top: 16px; padding-bottom: 20px; }
.barra-entregables b { font-size: clamp(20px, 2.2vw, 26px); }
.entregables { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 0; margin-top: 8px; }
.entregables li { border-top: 1px solid var(--fg); padding: 20px 20px 28px 0; display: grid; gap: 6px; }
.entregables span { font-family: var(--mono); font-size: 12px; color: var(--fg-dim); }
.entregables b { font-family: var(--display); font-weight: 400; font-size: clamp(24px, 3vw, 34px); text-transform: uppercase; letter-spacing: .01em; }
.entregables em { font-style: normal; color: var(--fg-mute); font-size: 15px; }

@media (max-width: 900px) {
    .cfg-escena { height: auto; min-height: 0; }
    .cfg-visor { position: relative; --p: 1; height: auto; min-height: 0; display: grid; }
    .hero-vel, .bajar { display: none; }
    .intro { position: static; order: 0; transform: none; opacity: 1; padding: calc(var(--nav-h) + 20px) 16px 12px; max-width: none; pointer-events: auto; }
    .hud, .cfg-top, .cfg-panel, .cfg-barra { opacity: 1; }
    #cfgCanvas { position: relative; height: min(58svh, 520px); min-height: 360px; order: 3; }
    .cfg-top { position: static; order: 1; padding: 12px 14px 0; }
    .hud { position: static; order: 2; justify-content: flex-start; gap: 18px; padding: 12px 14px 8px; }
    .hud div { justify-items: start; }
    .hud b { font-size: 18px; }
    .cfg-panel { order: 4; }
    .cfg-barra { order: 5; }
    .cfg-computo { position: static; order: 6; width: auto; max-height: none; opacity: 1; border-left: 0; border-right: 0; }
    .cfg-panel, .cfg-barra { position: static; transform: none; width: auto; max-width: none; margin: 0; border-left: 0; border-right: 0; }
    .cfg-panel { max-height: none; overflow: visible; }
    }

/* informes y plan de construcción */
.gantt-tit { margin: 4px 0 18px; }
.gantt { margin-top: 12px; display: grid; gap: 9px; }
.gt-fila, .gt-eje { display: grid; grid-template-columns: minmax(150px, 22%) 1fr 84px; align-items: center; gap: 14px; }
.gt-nombre { font-size: 15px; color: var(--fg); }
.gt-pista { position: relative; height: 30px; background: repeating-linear-gradient(90deg, var(--line-soft) 0, var(--line-soft) 1px, transparent 1px, transparent 10%); }
.gt-pista i { position: absolute; top: 4px; bottom: 4px; background: var(--fg); opacity: .9; }
.gt-sem { font-family: var(--mono); font-size: 12px; color: var(--fg-dim); text-align: right; font-variant-numeric: tabular-nums; }
.gt-eje .gt-pista { height: 16px; background: none; }
.gt-eje .gt-pista span { position: absolute; top: 0; transform: translateX(-50%); font-family: var(--mono); font-size: 11px; color: var(--fg-dim); }
.gt-eje .gt-pista span:first-child { transform: none; }
.gt-pie { margin-top: 14px; font-size: 13.5px; color: var(--fg-dim); max-width: 64ch; }
@media (max-width: 900px) { .gt-fila, .gt-eje { grid-template-columns: 120px 1fr 62px; } }