/* Páginas legales de Aprende C# */
:root{
  --bg:#f7f6fb;--surface:#fff;--surface-2:#f1eff8;--text:#17151f;--muted:#5f5b6e;--line:#e5e2ef;
  --accent:#6a3dd6;--accent-2:#a2509b;--accent-soft:#efe9fd;--on-accent:#fff;
  --ph:#fff0b3;--ph-text:#5a4300;
  --shadow:0 1px 2px rgb(23 21 31 / .04),0 10px 30px -18px rgb(40 20 90 / .25);
  --radius:18px;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0e0d13;--surface:#16151d;--surface-2:#1d1b27;--text:#ecebf3;--muted:#a4a1b5;--line:#2a2837;
    --accent:#b49dff;--accent-2:#de8fd4;--accent-soft:#241e3b;--on-accent:#14111f;
    --ph:#463800;--ph-text:#ffe58a;--shadow:0 1px 0 rgb(255 255 255 / .03);
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#0e0d13;--surface:#16151d;--surface-2:#1d1b27;--text:#ecebf3;--muted:#a4a1b5;--line:#2a2837;
  --accent:#b49dff;--accent-2:#de8fd4;--accent-soft:#241e3b;--on-accent:#14111f;
  --ph:#463800;--ph-text:#ffe58a;--shadow:0 1px 0 rgb(255 255 255 / .03);
  color-scheme:dark;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;text-rendering:optimizeLegibility}
a{color:var(--accent);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
.svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}

/* Barra superior */
.topbar{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
.topbar-inner{display:grid;grid-template-columns:1fr auto;align-items:center;gap:10px 16px;padding-top:10px;padding-bottom:10px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none}
.logo{display:grid;place-items:center;width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;font-weight:800;font-size:.95rem;letter-spacing:-.02em;box-shadow:0 6px 16px -8px var(--accent)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:.98rem}
.brand-text small{color:var(--muted);font-size:.78rem}
.tabs{grid-column:1 / -1;display:flex;gap:4px;padding:4px;background:var(--surface-2);border:1px solid var(--line);border-radius:12px;overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tabs a{flex:1 0 auto;text-align:center;padding:7px 14px;border-radius:9px;color:var(--muted);font-size:.9rem;font-weight:600;text-decoration:none;white-space:nowrap}
.tabs a:hover{color:var(--text)}
.tabs a[aria-current="page"]{background:var(--surface);color:var(--text);box-shadow:0 1px 3px rgb(0 0 0 / .08)}
.theme-btn{grid-row:1;grid-column:2;display:grid;place-items:center;width:38px;height:38px;border-radius:11px;border:1px solid var(--line);background:var(--surface);color:var(--text);cursor:pointer}
.theme-btn:hover{border-color:var(--accent)}
.theme-btn .sun{display:none}
:root[data-theme="dark"] .theme-btn .sun{display:block}
:root[data-theme="dark"] .theme-btn .moon{display:none}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]) .theme-btn .sun{display:block}
  :root:not([data-theme="light"]) .theme-btn .moon{display:none}
}
@media (min-width:760px){
  .topbar-inner{grid-template-columns:auto 1fr auto}
  .tabs{grid-column:auto;justify-self:center}
  .theme-btn{grid-column:3}
  .tabs a{flex:0 0 auto}
}

/* Encabezado */
.hero{position:relative;overflow:hidden;padding:48px 0 32px;border-bottom:1px solid var(--line);background:
  radial-gradient(600px 260px at 12% 0%,color-mix(in srgb,var(--accent) 16%,transparent),transparent 70%),
  radial-gradient(520px 240px at 92% 10%,color-mix(in srgb,var(--accent-2) 12%,transparent),transparent 70%)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin:0 0 12px;color:var(--accent);font-size:.8rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:currentColor}
.hero h1{margin:0;max-width:22ch;font-size:clamp(1.85rem,4.6vw,2.9rem);line-height:1.1;letter-spacing:-.025em;text-wrap:balance}
.lead{max-width:62ch;margin:14px 0 0;color:var(--muted);font-size:1.08rem}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 0;padding:0;list-style:none}
.chips li{padding:5px 12px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--muted);font-size:.82rem;font-weight:600}
.highlights{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin-top:28px}
.hl{display:flex;gap:12px;align-items:flex-start;padding:16px;background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}
.hl .ico{display:grid;place-items:center;width:38px;height:38px;border-radius:10px;background:var(--accent-soft);color:var(--accent);flex:none}
.hl strong{display:block;font-size:.95rem;line-height:1.3}
.hl span{display:block;margin-top:2px;color:var(--muted);font-size:.86rem;line-height:1.45}

/* Contenido */
.layout{display:grid;gap:24px;padding-top:32px;padding-bottom:24px}
@media (min-width:960px){
  .layout{grid-template-columns:250px minmax(0,1fr);gap:40px;align-items:start}
  .layout.single{grid-template-columns:minmax(0,760px);justify-content:center}
}
.doc{min-width:0;max-width:780px}
.doc > .intro{margin:0 0 20px;font-size:1.04rem}
.card{scroll-margin-top:130px;margin:0 0 16px;padding:22px 24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
@media (min-width:760px){.card{scroll-margin-top:90px}}
.card > :last-child{margin-bottom:0}
.card h2,.doc h2{display:flex;align-items:center;gap:12px;margin:0 0 12px;font-size:1.18rem;line-height:1.3;letter-spacing:-.01em}
.num{display:grid;place-items:center;min-width:30px;height:30px;padding:0 6px;border-radius:9px;background:var(--accent-soft);color:var(--accent);font-size:.85rem;font-weight:800;font-variant-numeric:tabular-nums}
.doc p{margin:0 0 12px}
.doc ul,.doc ol{margin:0 0 12px;padding-left:1.3rem}
.doc li{margin:4px 0}
.doc li::marker{color:var(--accent)}
.doc strong{font-weight:650}
.ph{padding:1px 6px;border-radius:6px;background:var(--ph);color:var(--ph-text);font-weight:600}

.table-wrap{overflow-x:auto;margin:4px 0 14px;border:1px solid var(--line);border-radius:12px}
table{width:100%;min-width:520px;border-collapse:collapse;font-size:.93rem}
th,td{padding:11px 14px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
th{background:var(--surface-2);font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
tr:last-child td{border-bottom:0}
td:first-child{font-weight:650;white-space:nowrap}

/* Índice */
.toc-box{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:6px}
.toc-box summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;padding:10px 12px;font-size:.85rem;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.toc-box summary::-webkit-details-marker{display:none}
.toc-box summary::after{content:"";width:8px;height:8px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-3px);transition:transform .2s}
.toc-box[open] summary::after{transform:rotate(-135deg) translateY(-1px)}
.toc-box ol{list-style:none;margin:0;padding:0 0 6px}
.toc-box a{display:flex;gap:10px;padding:7px 12px;border-radius:9px;color:var(--muted);font-size:.9rem;line-height:1.35;text-decoration:none}
.toc-box a span{min-width:18px;color:var(--accent);font-weight:700;font-variant-numeric:tabular-nums}
.toc-box a:hover{background:var(--surface-2);color:var(--text)}
.toc-box a[aria-current="true"]{background:var(--accent-soft);color:var(--text);font-weight:600}
@media (min-width:960px){
  .toc{position:sticky;top:90px;max-height:calc(100vh - 110px);overflow:auto}
  .toc-box summary{cursor:default}
  .toc-box summary::after{display:none}
}

/* Pasos (eliminación de cuenta) */
.steps{list-style:none;counter-reset:step;margin:0;padding:0!important;display:grid;gap:12px}
.steps li{counter-increment:step;position:relative;margin:0;padding:16px 16px 16px 64px;background:var(--surface-2);border-radius:14px}
.steps li::before{content:counter(step);position:absolute;left:16px;top:14px;display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;font-weight:800}
.cta{display:inline-flex;align-items:center;gap:8px;margin-top:16px;padding:11px 18px;border-radius:12px;background:var(--accent);color:var(--on-accent);font-weight:700;text-decoration:none}
.cta:hover{filter:brightness(1.08)}

/* Pie y volver arriba */
.site-footer{border-top:1px solid var(--line);margin-top:24px;padding:28px 0 40px;color:var(--muted);font-size:.9rem}
.site-footer .wrap{display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;align-items:center}
.site-footer nav{display:flex;flex-wrap:wrap;gap:6px 18px}
.site-footer a{color:var(--muted)}
.site-footer a:hover{color:var(--accent)}
.to-top{position:fixed;right:16px;bottom:16px;z-index:10;display:grid;place-items:center;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:var(--surface);color:var(--text);box-shadow:var(--shadow);cursor:pointer;opacity:0;transform:translateY(8px);pointer-events:none;transition:opacity .2s,transform .2s}
.to-top.show{opacity:1;transform:none;pointer-events:auto}

@media print{
  .topbar,.toc,.to-top,.theme-btn,.highlights{display:none!important}
  .hero{background:none;padding:0 0 12px}
  .card{box-shadow:none;break-inside:avoid}
  .layout{display:block}
}