/* Hitum · sitio demostrativo
   Fuera de las ventanas: la estética de mine-analytics.com (petróleo, menta, Poppins).
   Dentro de las ventanas: los estilos de la app Hitum (tablas densas, pastillas, KPI). */
:root{
  --ink-950:#07191C; --ink-900:#0A2226; --ink-800:#0C282C;
  --teal-700:#123A3E; --teal-600:#17474A; --teal-500:#1F5A5B; --teal-400:#2C6E6C;
  --sage-500:#3F8480; --sage-400:#5E9B96; --sage-300:#84B5AF;
  --mint-300:#8FCFB4; --mint-200:#B2E3CC; --sky-400:#7EB6F0; --sky-300:#A6CDF6;
  --amber-400:#E5A54B; --orange-500:#DD6F2C; --orange-400:#E8853F;
  --txt-hi:#F4FAF9; --txt:rgba(240,248,247,.86); --txt-dim:rgba(240,248,247,.66); --txt-faint:rgba(240,248,247,.44);
  --line:rgba(180,214,210,.18); --line-2:rgba(180,214,210,.30);
  --r-sm:10px; --r:16px; --r-lg:24px;
  --ff-display:"Poppins",system-ui,-apple-system,"Segoe UI",sans-serif;
  --ff-body:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  --shadow:0 18px 48px -20px rgba(4,18,20,.65);
  --shadow-lg:0 40px 90px -32px rgba(4,18,20,.85);
  --card:linear-gradient(180deg,rgba(23,71,74,.55),rgba(12,40,44,.55));
  /* app */
  --app-txt:#12292C; --app-muted:#5B7072; --app-line:#DCE5E6; --app-row:#EDF2F2; --app-head:#F7FAFA;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--ink-950);-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;font-family:var(--ff-body);font-size:16px;line-height:1.65;color:var(--txt);
  background:radial-gradient(1200px 600px at 85% -10%,rgba(44,110,108,.35),transparent 60%),
             radial-gradient(900px 500px at -10% 30%,rgba(221,111,44,.08),transparent 60%),var(--ink-900);
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3{font-family:var(--ff-display);color:var(--txt-hi);letter-spacing:-.02em;line-height:1.15;margin:0;text-wrap:balance}
p{margin:0 0 .9rem}
a{color:inherit}
.shell{max-width:1180px;margin:0 auto;padding:0 clamp(16px,4vw,40px)}
.skip{position:absolute;left:-9999px;top:0;z-index:200;background:var(--amber-400);color:var(--ink-900);padding:.6rem 1rem}
.skip:focus{left:0}
:focus-visible{outline:2.5px solid var(--sky-400);outline-offset:3px;border-radius:4px}

/* ---------- botones ---------- */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--ff-display);font-weight:600;font-size:.95rem;
  padding:.8rem 1.4rem;border-radius:999px;text-decoration:none;border:1.5px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--orange-400),var(--amber-400));color:#16221F;box-shadow:0 10px 26px -12px rgba(221,111,44,.75)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px -12px rgba(221,111,44,.85)}
.btn-ghost{border-color:var(--line-2);color:var(--txt-hi)}
.btn-ghost:hover{border-color:var(--sky-400);background:rgba(126,182,240,.09);transform:translateY(-2px)}
.btn-sm{padding:.55rem 1.1rem;font-size:.86rem}

/* ---------- logotipo Hitum (el de la app) ---------- */
.hitum-wordmark{display:inline-flex;flex-direction:column;gap:5px}
.hitum-wordmark-text{color:#fff;font-family:var(--ff-body);font-size:18px;font-weight:700;line-height:1;letter-spacing:.34em;text-indent:.34em}
.hitum-rule{position:relative;display:block;height:2px;border-radius:1px;background:rgba(255,255,255,.16)}
.hitum-rule::before{content:"";position:absolute;inset:0 22% 0 0;border-radius:1px;background:rgba(255,255,255,.85)}
.hitum-rule-mark{position:absolute;left:78%;top:50%;width:7px;height:7px;margin:-3.5px 0 0 -3.5px;background:var(--mint-300);transform:rotate(45deg)}

/* ---------- navegación ---------- */
.nav{position:sticky;top:0;z-index:100;background:rgba(10,34,38,.78);backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:1.6rem;min-height:70px}
.brand{display:flex;align-items:center;gap:.9rem;text-decoration:none;margin-right:auto}
.brand-tag{border-left:1px solid var(--line-2);padding:.15rem 0 .15rem .9rem;font-size:.76rem;color:var(--sage-300);white-space:nowrap}
.nav-links{display:flex;gap:1.4rem}
.nav-links a{position:relative;text-decoration:none;font-size:.9rem;font-weight:500;color:var(--txt-dim)}
.nav-links a::after{content:"";position:absolute;left:0;right:100%;bottom:-6px;height:1.5px;background:var(--mint-300);transition:right .25s ease}
.nav-links a:hover{color:var(--txt-hi)}.nav-links a:hover::after{right:0}
@media (max-width:980px){.nav-links{display:none}}
@media (max-width:520px){.brand-tag{display:none}}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;isolation:isolate;padding:clamp(48px,7vw,96px) 0 clamp(36px,5vw,56px)}
.hero::before{content:"";position:absolute;inset:0;z-index:-2;
  background:radial-gradient(120% 95% at 8% 4%,var(--ink-950) 0%,rgba(7,25,28,0) 58%),
             linear-gradient(128deg,var(--ink-900) 0%,var(--teal-600) 38%,var(--teal-400) 66%,var(--sage-500) 100%)}
.hero-bg{position:absolute;inset:0;z-index:-1;pointer-events:none}
.orb{position:absolute;border-radius:50%}
.orb-a{width:44vw;height:44vw;min-width:380px;min-height:380px;top:-16vw;left:-10vw;background:rgba(94,155,150,.28)}
.orb-b{width:26vw;height:26vw;min-width:210px;min-height:210px;bottom:-11vw;left:16vw;background:rgba(112,170,164,.22)}
.orb-c{width:14vw;height:14vw;min-width:110px;min-height:110px;top:14%;right:34%;background:rgba(132,181,175,.18)}
.dots{position:absolute;width:96px;height:64px;opacity:.5;background-image:radial-gradient(rgba(226,240,238,.7) 1.4px,transparent 1.4px);background-size:12px 12px}
.dots-a{top:12%;left:40%}.dots-b{bottom:28%;left:50%}
.hero-in{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(1.5rem,4vw,3.5rem);align-items:center}
@media (max-width:920px){.hero-in{grid-template-columns:1fr}}
.eyebrow{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--ff-display);font-weight:600;font-size:.76rem;
  letter-spacing:.12em;text-transform:uppercase;color:var(--mint-200);background:rgba(143,207,180,.10);
  border:1px solid rgba(143,207,180,.28);padding:.42rem 1rem;border-radius:999px}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--mint-300);box-shadow:0 0 0 3px rgba(143,207,180,.22)}
.hero h1{font-size:clamp(2.1rem,4.4vw,3.4rem);margin:1rem 0 1.1rem;max-width:18ch}
h1 em,h2 em{font-style:normal;background:linear-gradient(96deg,#B6EBD2 0%,var(--mint-300) 38%,var(--sky-300) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:1.08rem;max-width:58ch}
.lead b{color:var(--txt-hi)}
.hero-cta{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:1.6rem}
.hero-note{margin-top:1rem;font-size:.82rem;color:var(--txt-faint)}
.app-window--float{box-shadow:var(--shadow-lg)}

.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:2.6rem}
@media (max-width:820px){.kpis{grid-template-columns:repeat(2,1fr)}}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:1.1rem 1.2rem;backdrop-filter:blur(4px)}
.kpi span{font-size:.75rem;color:var(--sage-300);text-transform:uppercase;letter-spacing:.08em}
.kpi strong{display:block;font-family:var(--ff-display);font-size:1.75rem;color:var(--txt-hi);margin-top:.2rem;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.kpi small{color:var(--txt-dim);font-size:.82rem}
.kpi.accent{border-color:rgba(229,165,75,.45);background:linear-gradient(180deg,rgba(221,111,44,.18),rgba(12,40,44,.6))}
.kpi.accent strong{color:var(--amber-400)}

/* ---------- secciones ---------- */
.sec{padding:clamp(52px,8vw,96px) 0;border-top:1px solid var(--line);scroll-margin-top:70px}
.sec-head{display:flex;align-items:baseline;gap:1rem;margin-bottom:1.8rem;flex-wrap:wrap}
.sec-n{font-family:var(--ff-display);font-weight:700;font-size:.9rem;color:var(--ink-900);background:var(--mint-300);
  border-radius:999px;width:2rem;height:2rem;display:grid;place-items:center;flex:none;transform:translateY(-2px)}
.sec-head h2{font-size:clamp(1.5rem,2.8vw,2.2rem);flex:1;min-width:16ch}
.sec-head p{flex-basis:100%;color:var(--txt-dim);max-width:76ch;margin:.4rem 0 0 3rem;font-size:1.02rem}
.sec-head p b{color:var(--txt-hi)}
@media (max-width:640px){.sec-head p{margin-left:0}}
.split{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(1.5rem,4vw,3rem);align-items:center}
.split--rev{grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr)}
@media (max-width:920px){.split,.split--rev{grid-template-columns:1fr}}
.split-text p{color:var(--txt-dim)}.split-text p b{color:var(--txt-hi)}
.split-text .sec-head{margin-bottom:1.2rem}
.checks{list-style:none;padding:0;margin:1.2rem 0 0;display:grid;gap:.5rem}
.checks li{display:flex;gap:.6rem;align-items:center;color:var(--txt)}
.checks li::before{content:"";width:18px;height:18px;flex:none;border-radius:50%;
  background:var(--mint-300) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230A2226' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E") center/12px no-repeat}
.grid-2-1{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:1.2rem;align-items:start}
.grid-1-1{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem;align-items:start}
@media (max-width:980px){.grid-2-1,.grid-1-1{grid-template-columns:1fr}}
.stack{display:grid;gap:1.2rem}

.pains{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media (max-width:820px){.pains{grid-template-columns:1fr}}
.pain{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:1.4rem}
.pain-ic{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:rgba(229,165,75,.14);color:var(--amber-400);margin-bottom:.9rem}
.pain-ic svg{width:22px;height:22px}
.pain h3{font-size:1.08rem;margin-bottom:.5rem}
.pain p{color:var(--txt-dim);font-size:.94rem;margin:0}
.bridge{text-align:center;margin:2.4rem 0 0;font-family:var(--ff-display);color:var(--mint-200);font-weight:500}

.callout{background:linear-gradient(180deg,rgba(221,111,44,.16),rgba(12,40,44,.6));border:1px solid rgba(229,165,75,.4);border-radius:var(--r);padding:1.3rem 1.4rem}
.callout strong{display:block;font-family:var(--ff-display);font-size:1.8rem;color:var(--amber-400);letter-spacing:-.02em}
.callout span{color:var(--txt-dim);font-size:.92rem}

/* ---------- flujo de compras ---------- */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-bottom:1.4rem}
@media (max-width:820px){.flow{grid-template-columns:repeat(2,1fr)}}
.flow-step{position:relative;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:.9rem 1rem}
.flow-step b{display:block;font-family:var(--ff-display);font-size:1.5rem;color:var(--txt-hi)}
.flow-step::after{content:"→";position:absolute;right:-12px;top:50%;transform:translateY(-50%);color:var(--sage-300);font-size:.9rem;z-index:2}
.flow-step:last-child::after{display:none}
@media (max-width:820px){.flow-step::after{display:none}}
.flow-step.hot{border-color:rgba(143,207,180,.5)}

/* ---------- tabs de obras ---------- */
.tabs{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1rem}
.tab{font-family:var(--ff-display);font-weight:500;font-size:.88rem;padding:.55rem 1rem;border-radius:999px;cursor:pointer;
  border:1px solid var(--line-2);background:transparent;color:var(--txt-dim);transition:all .15s ease}
.tab:hover{color:var(--txt-hi);border-color:var(--sage-300)}
.tab[aria-selected="true"]{background:var(--mint-300);color:var(--ink-900);border-color:var(--mint-300)}

.obras-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:1.4rem}
@media (max-width:900px){.obras-cards{grid-template-columns:1fr}}
.obra{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:1.2rem 1.3rem}
.obra h3{font-size:1rem;margin-bottom:.15rem}
.obra .sub{font-size:.8rem;color:var(--txt-faint);margin-bottom:.9rem}
.obra-row{display:flex;justify-content:space-between;font-size:.88rem;padding:.3rem 0;border-top:1px solid var(--line)}
.obra-row b{font-variant-numeric:tabular-nums;color:var(--txt-hi)}
.ind-ok{color:var(--mint-300)!important}.ind-warn{color:var(--amber-400)!important}.ind-bad{color:#ff9aa8!important}

.feats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media (max-width:820px){.feats{grid-template-columns:1fr}}
.feats article{border:1px solid var(--line);border-radius:var(--r);padding:1.3rem;background:rgba(12,40,44,.35)}
.feats h3{font-size:1rem;margin-bottom:.4rem;display:flex;gap:.5rem;align-items:center}
.feats h3::before{content:"";width:9px;height:9px;background:var(--mint-300);transform:rotate(45deg);flex:none}
.feats p{color:var(--txt-dim);font-size:.92rem;margin:0}

.cierre{text-align:center;background:radial-gradient(800px 380px at 50% 0%,rgba(63,132,128,.35),transparent 70%)}
.cierre-in{display:flex;flex-direction:column;align-items:center}
.cierre h2{font-size:clamp(1.9rem,4vw,3rem);margin:1rem 0}
.cierre .lead{margin:0 auto;color:var(--txt-dim)}
.cierre .hero-cta{justify-content:center}

.foot{border-top:1px solid var(--line);padding:2rem 0;background:var(--ink-950)}
.foot-in{display:flex;gap:1.5rem;align-items:center;flex-wrap:wrap}
.foot-brand img{height:44px;width:auto;filter:brightness(1.6) saturate(1.15)}
.foot p{margin:0;font-size:.82rem;color:var(--txt-faint);max-width:70ch}

/* =====================================================================
   VENTANAS DE LA APP: réplicas con los estilos de Hitum
   ===================================================================== */
.app-window{background:#F1F5F6;border-radius:14px;overflow:hidden;box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.08);color:var(--app-txt);font-size:13px;line-height:1.45}
.app-bar{display:flex;align-items:center;gap:6px;padding:.55rem .9rem;background:#0C282C;border-bottom:1px solid rgba(255,255,255,.06)}
.app-bar i{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.18)}
.app-bar i:first-child{background:#E5A54B}
.app-bar span{margin-left:.6rem;font-size:.75rem;color:rgba(240,248,247,.6);font-family:var(--ff-body);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.app-body{padding:14px;background:#F1F5F6}
.app-body--flush{padding:0;background:#fff;overflow-x:auto}
.app-note{font-size:11.5px;color:var(--app-muted);margin:.6rem 0 0}

.t{width:100%;border-collapse:collapse;font-size:12.5px;background:#fff;font-variant-numeric:tabular-nums}
.t th{background:var(--app-head);color:var(--app-muted);font-weight:600;font-size:10.5px;text-transform:uppercase;letter-spacing:.04em;
  text-align:left;padding:8px 12px;border-bottom:1px solid var(--app-line);white-space:nowrap}
.t td{padding:8px 12px;border-bottom:1px solid var(--app-row);white-space:nowrap;vertical-align:middle}
.t tr:last-child td{border-bottom:0}
.t tbody tr{transition:background .12s}.t tbody tr:hover{background:#F5F9F9}
.t .n{text-align:right}
.t .k{font-weight:700;color:#1F5A5B}
.t .m{color:var(--app-muted)}
.t .s{font-size:11px;color:#94a3b8}
.t .wrap{white-space:normal;min-width:160px}
.t tfoot td{font-weight:700;background:var(--app-head);border-top:1px solid var(--app-line)}
.lvl-1 td:nth-child(2){padding-left:28px}.lvl-2 td:nth-child(2){padding-left:44px}
.lvl-0{font-weight:600}.lvl-0 td{background:#FAFCFC}

.pill{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;font-size:11px;font-weight:600;white-space:nowrap}
.pill::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor;opacity:.85}
.p-ok{background:#f0fdfa;color:#0f766e}.p-warn{background:#fffbeb;color:#b45309}.p-bad{background:#fff1f2;color:#be123c}
.p-info{background:#EEF6F5;color:#1F5A5B}.p-gray{background:#f1f5f9;color:#475569}.p-blue{background:#eff6ff;color:#1e40af}
.qty-in{color:#0f766e;font-weight:600}.qty-out{color:#b45309;font-weight:600}
.bar{display:inline-block;vertical-align:middle;width:54px;height:6px;margin-right:6px;background:#f1f5f9;border-radius:4px;overflow:hidden}
.bar span{display:block;height:100%;background:#3F8480;border-radius:4px}

.mini-kpis{display:grid;grid-template-columns:repeat(3,1fr);background:#fff;border:1px solid var(--app-line);border-radius:12px;overflow:hidden;margin-bottom:12px}
.kpi-strip{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--app-line);border-radius:12px;overflow:hidden;margin-bottom:12px}
@media (max-width:640px){.kpi-strip{grid-template-columns:repeat(2,1fr)}}
.kc{padding:10px 12px;border-left:1px solid var(--app-row);min-width:0}
.kc:first-child{border-left:0}
.kc span{display:block;font-size:10.5px;font-weight:600;text-transform:uppercase;letter-spacing:.03em;color:var(--app-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.kc b{display:block;font-size:20px;font-weight:700;line-height:1.25;color:var(--app-txt);white-space:nowrap}
.kc small{font-size:10.5px;color:#6b7280}
.c-ok{color:#0f766e!important}.c-warn{color:#b45309!important}.c-bad{color:#be123c!important}
.mini-chart{background:#fff;border:1px solid var(--app-line);border-radius:12px;padding:10px;height:210px}
.chart-box{position:relative;height:320px;background:#fff;border:1px solid var(--app-line);border-radius:12px;padding:12px}
.chart-box--sm{height:300px}

/* préstamos */
.loan{display:flex;justify-content:space-between;gap:.8rem;align-items:center;padding:.6rem 0;border-bottom:1px solid var(--app-row)}
.loan:last-child{border-bottom:0}
.loan b{display:block;font-size:12.5px}
.loan small{color:var(--app-muted);font-size:11.5px}

/* permisos */
.nv{display:inline-block;min-width:54px;text-align:center;padding:3px 8px;border-radius:8px;font-size:11px;font-weight:600}
.nv-0{background:#f1f5f9;color:#94a3b8}.nv-1{background:#EEF6F5;color:#3F8480}.nv-2{background:#E1EFEC;color:#1F5A5B}.nv-3{background:#2C6E6C;color:#fff}

/* notificaciones */
.nt{display:flex;gap:10px;padding:11px 14px;border-bottom:1px solid var(--app-row);align-items:flex-start}
.nt:last-child{border-bottom:0}
.nt.unread{background:#F2F8F7}
.nt-ic{flex:none;width:30px;height:30px;border-radius:8px;display:grid;place-items:center;background:rgba(44,110,108,.1);color:#2C6E6C}
.nt-ic svg{width:15px;height:15px}
.nt strong{display:block;font-size:12.5px}
.nt span{font-size:11.5px;color:var(--app-muted)}
.nt time{margin-left:auto;font-size:10.5px;color:#94a3b8;white-space:nowrap}
.nt-head{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;border-bottom:1px solid var(--app-line);font-weight:600;font-size:13px}
.nt-badge{background:#dc2626;color:#fff;border-radius:999px;font-size:10.5px;font-weight:700;padding:1px 7px}

/* aparición al hacer scroll */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---- ajustes de diseño tras revisión ---- */
.mt{margin-top:1.2rem}
.checks--row{display:flex;flex-wrap:wrap;gap:.6rem 1.6rem;margin:0 0 1.4rem}
.stack--row{display:contents}
.split--wide{grid-template-columns:minmax(0,.62fr) minmax(0,1.38fr)}
@media (max-width:920px){.split--wide{grid-template-columns:1fr}}
.grid-costos{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:1.2rem;align-items:start}
@media (max-width:1100px){.grid-costos{grid-template-columns:1fr}}
.avisos h3{font-size:1.25rem;margin-bottom:.4rem}
.flow-step .flow-desc{display:block;font-size:.82rem;color:var(--txt-dim);margin-top:.35rem}
.flow-step .pill{margin-top:.2rem}

#replica-permisos .t th{white-space:normal;min-width:64px;line-height:1.25}
#replica-permisos .t td{padding:7px 8px}

.grid-costos{grid-template-columns:1fr!important}

/* ---- índice de preguntas (capítulo 0) ---- */
.preguntas{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
@media (max-width:1000px){.preguntas{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.preguntas{grid-template-columns:1fr}}
.q{display:flex;flex-direction:column;gap:.35rem;text-decoration:none;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r);padding:1.1rem 1.15rem;transition:border-color .18s ease,transform .18s ease}
.q:hover{border-color:rgba(143,207,180,.55);transform:translateY(-2px)}
.q-n{font-family:var(--ff-display);font-weight:700;font-size:.78rem;color:var(--ink-900);background:var(--mint-300);
  border-radius:999px;width:1.6rem;height:1.6rem;display:grid;place-items:center}
.q strong{font-family:var(--ff-display);font-weight:600;font-size:1.02rem;color:var(--txt-hi);line-height:1.25;letter-spacing:-.01em}
.q small{font-size:.82rem;color:var(--txt-faint)}

/* ---- cierre: panel con todas las respuestas ---- */
.alertas{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.alerta{display:inline-flex;align-items:center;gap:7px;padding:6px 12px;border-radius:999px;font-size:12px;font-weight:500;
  background:#fff;border:1px solid var(--app-line);color:#64748b}
.alerta b{font-variant-numeric:tabular-nums}
.alerta.on{background:#fff1f2;border-color:#fecdd3;color:#b91c1c}
.tabla-cierre{border:1px solid var(--app-line);border-radius:12px;overflow:hidden}
.tabla-cierre .t td{white-space:normal}

/* ---- capítulo de riesgo ---- */
.grid-riesgo{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);gap:1.2rem;align-items:start}
@media (max-width:1000px){.grid-riesgo{grid-template-columns:1fr}}
.controles{display:grid;gap:.85rem}
.controles label{display:grid;grid-template-columns:minmax(0,1fr) 130px 46px;gap:.6rem;align-items:center;font-size:12.5px;font-weight:600;color:var(--app-txt)}
.controles input[type=range]{width:100%;accent-color:#2C6E6C}
.controles output{text-align:right;font-weight:700;color:#1F5A5B;font-variant-numeric:tabular-nums}
.btn-reset{justify-self:start;font:600 12px var(--ff-body);color:#1F5A5B;background:#fff;border:1px solid var(--app-line);border-radius:8px;padding:5px 12px;cursor:pointer}
.btn-reset:hover{border-color:#5E9B96}
.chart-box--tornado{height:250px}
.math{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:2rem;margin-top:1.6rem;padding:1.5rem 1.6rem;
  border:1px solid var(--line);border-radius:var(--r);background:rgba(12,40,44,.35)}
@media (max-width:900px){.math{grid-template-columns:1fr}}
.math h3{font-size:1.1rem;margin-bottom:.6rem}
.math p{color:var(--txt-dim);font-size:.95rem}
.math b{color:var(--txt-hi)}
.formula{font-family:Georgia,"Times New Roman",serif;font-size:1.15rem!important;color:var(--mint-200)!important;background:rgba(7,25,28,.5);
  border:1px solid var(--line);border-radius:10px;padding:.7rem 1rem;margin-bottom:1rem}
.formula i{font-style:italic}