.idi-hero{background:radial-gradient(120% 160% at 10% -20%, color-mix(in srgb, var(--ca) 20%, transparent), transparent 62%), linear-gradient(155deg, color-mix(in srgb, var(--ca) 13%, var(--bg)) 0%, color-mix(in srgb, var(--cb) 9%, var(--bg)) 100%);border:1px solid color-mix(in srgb, var(--ca) 26%, transparent);border-radius:26px;padding:clamp(28px,5vw,48px) clamp(22px,4.5vw,42px);position:relative;overflow:hidden}.idi-kicker{font-family:var(--font-ui);font-size:var(--fs-xs);letter-spacing:.18em;text-transform:uppercase;color:var(--ca);background:color-mix(in srgb, var(--ca) 15%, transparent);border:1px solid color-mix(in srgb, var(--ca) 34%, transparent);border-radius:100px;align-items:center;gap:8px;margin-bottom:20px;padding:6px 14px;font-weight:700;display:inline-flex}.idi-h1{font-family:var(--font-display);letter-spacing:-.01em;margin-bottom:14px;font-size:clamp(30px,5.6vw,54px);font-style:italic;font-weight:500;line-height:1.08}.idi-h1 .idi-nativo{opacity:.72;font-weight:400}.idi-lead{font-size:var(--fs-lg);color:var(--soft);max-width:58ch;margin-bottom:20px;line-height:1.65}.idi-exam{font-family:var(--font-ui);font-size:var(--fs-sm);color:var(--ink);background:color-mix(in srgb, var(--cb) 13%, transparent);border:1px solid color-mix(in srgb, var(--cb) 32%, transparent);border-radius:12px;align-items:center;gap:9px;margin-bottom:24px;padding:9px 15px 9px 11px;font-weight:650;display:inline-flex}.idi-exam strong{font-weight:800}.idi-actions{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.idi-stat{background:color-mix(in srgb, var(--c) 10%, transparent);border:1px solid color-mix(in srgb, var(--c) 26%, transparent);border-radius:13px;align-items:baseline;gap:6px;padding:10px 16px;display:flex}.idi-stat b{font-family:var(--font-ui);font-size:var(--fs-2xl);color:var(--c);font-weight:800}.idi-stat span{font-size:var(--fs-sm);color:var(--soft)}.idi-progress{border-top:1px solid color-mix(in srgb, var(--ink) 10%, transparent);margin-top:22px;padding-top:20px}.idi-progress-head{font-size:var(--fs-sm);color:var(--soft);justify-content:space-between;align-items:baseline;gap:10px;margin-bottom:9px;display:flex}.idi-progress-head b{font-family:var(--font-ui);color:var(--ink);font-weight:700}.idi-progress-track{background:color-mix(in srgb, var(--ink) 9%, transparent);border-radius:100px;height:8px;overflow:hidden}.idi-progress-fill{background:linear-gradient(90deg, var(--ca), var(--cb));border-radius:100px;height:100%}.idi-repaso{font-family:var(--font-ui);font-size:var(--fs-sm);color:var(--ink);background:color-mix(in srgb, var(--c) 11%, transparent);border:1px solid color-mix(in srgb, var(--c) 30%, transparent);border-radius:14px;align-items:center;gap:9px;min-height:44px;padding:12px 18px;font-weight:650;text-decoration:none;display:inline-flex}.idi-repaso b{font-family:var(--font-ui);font-weight:800}.idi-practica{font-family:var(--font-ui);font-size:var(--fs-sm);color:var(--soft);background:color-mix(in srgb, var(--c) 8%, transparent);border:1px solid color-mix(in srgb, var(--c) 22%, transparent);border-radius:14px;align-items:center;gap:9px;min-height:44px;padding:12px 18px;font-weight:650;display:inline-flex}.idi-levels-nav{flex-wrap:wrap;gap:10px;margin:36px 0 8px;display:flex}.idi-level-pill{font-family:var(--font-ui);font-size:var(--fs-sm);color:var(--ink);background:color-mix(in srgb, var(--c) 9%, transparent);border:1px solid color-mix(in srgb, var(--c) 26%, transparent);border-radius:100px;align-items:center;gap:8px;min-height:44px;padding:9px 16px;font-weight:700;text-decoration:none;display:inline-flex}.idi-level-pill .idi-level-dot{background:var(--c);border-radius:50%;flex-shrink:0;width:8px;height:8px}.idi-level-pill span{color:var(--soft);font-weight:500}.idi-nivel-head{flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:14px;scroll-margin-top:24px;display:flex}.idi-nivel-corto{font-family:var(--font-display);background:linear-gradient(100deg, var(--c), var(--c2));color:#0000;-webkit-background-clip:text;background-clip:text;font-size:27px;font-style:italic;font-weight:500}.idi-nivel-count{font-family:var(--font-ui);font-size:var(--fs-xs);color:var(--faint);background:color-mix(in srgb, var(--ink) 5%, transparent);border:1px solid color-mix(in srgb, var(--ink) 10%, transparent);border-radius:100px;padding:3px 10px}@media (max-width:640px){.idi-hero{border-radius:20px}.idi-stat,.idi-repaso,.idi-practica{flex:auto}}.niv-termo{font-family:var(--font-ui);font-size:var(--fs-sm);color:var(--ink);background:color-mix(in srgb, var(--c) 11%, transparent);border:1px solid color-mix(in srgb, var(--c) 30%, transparent);border-radius:14px;align-items:center;gap:9px;min-height:44px;padding:12px 18px;font-weight:650;text-decoration:none;display:inline-flex}.niv-termo b{font-family:var(--font-ui);color:var(--c);font-weight:800}.niv-termo-vacio{color:var(--soft)}.niv-termo-vacio svg{color:var(--c)}.niv-card{background:radial-gradient(120% 160% at 10% -20%, color-mix(in srgb, var(--ca) 16%, transparent), transparent 62%), color-mix(in srgb, var(--ca) 5%, var(--bg));border:1px solid color-mix(in srgb, var(--ca) 24%, transparent);border-radius:22px;max-width:560px;margin:0 auto;padding:clamp(22px,4vw,32px)}.niv-progreso{font-family:var(--font-ui);font-size:var(--fs-xs);letter-spacing:.04em;color:var(--soft);align-items:center;gap:8px;margin-bottom:18px;font-weight:700;display:flex}.niv-pregunta{font-family:var(--font-display);margin-bottom:22px;font-size:clamp(19px,3vw,24px);line-height:1.35}.niv-opciones{flex-direction:column;gap:10px;display:flex}.niv-op{text-align:left;width:100%;min-height:52px;font-family:var(--font-ui);font-size:var(--fs-md,15px);color:var(--ink);background:color-mix(in srgb, var(--ink) 4%, transparent);border:1px solid color-mix(in srgb, var(--ink) 12%, transparent);cursor:pointer;border-radius:14px;justify-content:space-between;align-items:center;gap:10px;padding:13px 18px;font-weight:600;transition:background .15s,border-color .15s;display:flex}.niv-op:hover:not(:disabled){background:color-mix(in srgb, var(--ca) 12%, transparent);border-color:color-mix(in srgb, var(--ca) 30%, transparent)}.niv-op:disabled{cursor:default}.niv-op-ok{color:#34d399;background:#34d39929;border-color:#34d39973}.niv-op-mal{color:#f87171;background:#f8717124;border-color:#f8717173}.niv-vacio{font-family:var(--font-ui);font-size:var(--fs-sm);color:var(--soft);text-align:center;padding:20px 0}.niv-reintentar{font-family:var(--font-ui);font-weight:700;font-size:var(--fs-sm);color:var(--ink);border:1px solid color-mix(in srgb, var(--ink) 20%, transparent);cursor:pointer;background:0 0;border-radius:10px;min-height:44px;padding:6px 12px}.niv-resultado{text-align:center}.niv-banda{font-family:var(--font-display);background:linear-gradient(100deg, var(--ca), var(--cb));color:#0000;-webkit-background-clip:text;background-clip:text;margin-bottom:14px;font-size:clamp(30px,6vw,44px);font-style:italic;font-weight:500;display:inline-block}.niv-banda-copy{font-size:var(--fs-sm);color:var(--soft);max-width:46ch;margin:0 auto 8px;line-height:1.6}.niv-banda-detalle{font-family:var(--font-ui);font-size:var(--fs-xs);color:var(--faint);margin-bottom:24px}.niv-cta{min-height:48px;font-family:var(--font-ui);background:linear-gradient(135deg, var(--ca), var(--cb));color:#06050f;border-radius:14px;justify-content:center;align-items:center;padding:13px 24px;font-size:14px;font-weight:700;text-decoration:none;display:inline-flex}@media (max-width:640px){.niv-card{border-radius:18px}.niv-op{min-height:48px}}