/* =============================================================
   VelneTest — hoja de estilos unica
   1. Tokens · 2. Reset · 3. Cabecera · 4. Escenario del test
   5. Historial · 6. Secciones · 7. Anuncios · 8. Pie · 9. Responsive
   ============================================================= */

/* 1. Tokens ------------------------------------------------- */
:root{
  --n900:#050c1e;
  --n800:#071026;
  --n700:#0b1a3a;
  --n600:#12244c;
  --blue:#1668f0;
  --cyan:#2fc9ff;
  --ok:#16b877;
  --warn:#e8a33d;
  --ink:#0d1730;
  --ink-2:#4d5a76;
  --ink-3:#8290ab;
  --line:#e1e7f2;
  --bg:#f4f7fc;
  --card:#fff;
  --grad:linear-gradient(115deg,var(--blue),var(--cyan));
  --display:"Sora","Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --r:16px;
  --shadow:0 1px 2px rgba(7,16,38,.05),0 18px 44px -20px rgba(7,16,38,.28);
  --ease:cubic-bezier(.16,1,.3,1);
  --gutter:clamp(18px,4vw,34px);
}

/* 2. Reset -------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box;margin:0}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:88px}
body{font-family:var(--sans);font-size:16px;line-height:1.65;color:var(--ink);
  background:var(--bg);-webkit-font-smoothing:antialiased;overflow-x:clip}
img,svg,canvas{display:block;max-width:100%}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
a{color:inherit;text-decoration:none}
p{text-wrap:pretty}
h1,h2,h3{font-family:var(--display);text-wrap:balance;line-height:1.15;letter-spacing:-.03em}
::selection{background:var(--blue);color:#fff}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.wrap{width:min(1120px,100%);margin-inline:auto;padding-inline:var(--gutter)}
.skip-link{position:fixed;top:-100px;left:16px;z-index:99;background:#fff;color:var(--ink);
  padding:.6rem 1rem;border-radius:8px}
.skip-link:focus{top:16px}
.hint{font-size:.8rem;color:var(--ink-3)}

/* 3. Cabecera ----------------------------------------------- */
.site-header{position:sticky;top:0;z-index:40;background:rgba(5,12,30,.9);
  backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:78px}
.brand-logo{height:46px;width:auto}
.site-nav{display:flex;gap:24px;font-size:.92rem;font-weight:500;color:rgba(255,255,255,.7)}
.site-nav a:hover{color:#fff}

/* 4. Escenario del test ------------------------------------- */
.stage{background:
    radial-gradient(820px 480px at 50% -6%,rgba(47,201,255,.24),transparent 60%),
    radial-gradient(700px 420px at 84% 108%,rgba(22,104,240,.26),transparent 62%),
    linear-gradient(180deg,var(--n900),var(--n800) 55%,var(--n700));
  color:#fff}
.stage-inner{padding-block:clamp(26px,4.5vw,44px) clamp(34px,6vw,60px);text-align:center}
.stage h1{font-size:clamp(1.45rem,3.6vw,2.2rem);font-weight:700}
.stage-sub{margin:.7rem auto 0;max-width:60ch;color:rgba(255,255,255,.72);font-size:clamp(.92rem,1.6vw,1.02rem)}

.meter{position:relative;width:min(560px,100%);margin:clamp(6px,2vw,14px) auto 0}
.meter canvas{width:100%;height:auto}
.meter-read{position:absolute;left:0;right:0;top:62%;display:grid;justify-items:center;
  pointer-events:none}
.meter-val{font-family:var(--display);font-weight:700;font-size:clamp(2rem,6.6vw,3.1rem);
  line-height:1;letter-spacing:-.04em;font-variant-numeric:tabular-nums}
.meter-unit{font-size:.82rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);margin-top:.3rem}
.meter-phase{margin-top:.2rem;font-size:.88rem;color:rgba(255,255,255,.66);min-height:1.4em}

.go{margin-top:clamp(4px,1.6vw,12px);background:var(--grad);color:#fff;
  font-family:var(--display);font-weight:700;font-size:1.02rem;letter-spacing:.01em;
  padding:.95rem 2.6rem;border-radius:999px;
  box-shadow:0 14px 34px -14px rgba(47,201,255,.9);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),opacity .2s}
.go:hover{transform:translateY(-2px);box-shadow:0 20px 40px -14px rgba(47,201,255,1)}
.go[disabled]{opacity:.45;pointer-events:none}

.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;
  margin:clamp(20px,3.5vw,30px) auto 0;max-width:640px}
.stat{background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.1);
  border-radius:14px;padding:14px 10px;display:grid;justify-items:center;gap:2px}
.stat-ico{font-size:1rem;color:var(--cyan);line-height:1}
.stat b{font-family:var(--display);font-weight:700;font-size:clamp(1.2rem,3.4vw,1.6rem);
  font-variant-numeric:tabular-nums}
.stat i{font-style:normal;font-size:.75rem;color:rgba(255,255,255,.6)}
.stat.is-down b{color:var(--cyan)}
.stat.is-up b{color:#7fe0b4}

.verdict{margin:18px auto 0;max-width:60ch;font-size:.95rem;
  background:rgba(22,184,119,.14);border:1px solid rgba(22,184,119,.34);
  color:#9ff0cd;border-radius:12px;padding:.8rem 1rem}
.conn{margin-top:14px;font-size:.82rem;color:rgba(255,255,255,.5);min-height:1.2em}
.note{margin-top:10px;font-size:.78rem;color:rgba(255,255,255,.42);max-width:64ch;
  margin-inline:auto}
.note-bad{color:#ffb3bd}

/* 5. Historial ---------------------------------------------- */
.hist-wrap{margin-top:-22px;position:relative;z-index:2}
.hist{background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:20px;box-shadow:var(--shadow)}
.hist-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:10px}
.hist-head h2{font-size:1rem;font-weight:600}
.link{color:var(--blue);font-size:.85rem;font-weight:500;text-decoration:underline}
.hist-table{width:100%;border-collapse:collapse;font-size:.9rem}
.hist-table th{text-align:left;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-3);font-weight:600;padding:6px 8px}
.hist-table td{padding:8px;border-top:1px solid var(--line);font-variant-numeric:tabular-nums}
.hist-table td:first-child{color:var(--ink-2)}

/* 6. Secciones ---------------------------------------------- */
.sec{padding-block:clamp(40px,6vw,72px)}
.sec--alt{background:#fff;border-block:1px solid var(--line)}
.sec h2{font-size:clamp(1.4rem,3vw,1.95rem);font-weight:600}
.sec h3{font-size:1.1rem;font-weight:600;margin:1.6rem 0 .4rem}
.sec-sub{margin-top:.6rem;color:var(--ink-2);max-width:62ch}
.sec-note{margin-top:1rem;font-size:.9rem;color:var(--ink-2);max-width:70ch}

.cards{display:grid;gap:16px;margin-top:1.8rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px;
  box-shadow:0 1px 2px rgba(7,16,38,.05)}
.card-ico{display:grid;place-items:center;width:38px;height:38px;border-radius:11px;
  background:var(--grad);color:#fff;font-size:1.1rem;margin-bottom:12px}
.card h3{margin:0 0 .4rem;font-size:1.08rem}
.card p{font-size:.93rem;color:var(--ink-2)}
.card ul{list-style:none;margin-top:.9rem;display:grid;gap:.35rem;font-size:.86rem;color:var(--ink-2)}
.card li{padding-left:.9rem;position:relative}
.card li::before{content:"";position:absolute;left:0;top:.62em;width:5px;height:5px;
  border-radius:50%;background:var(--blue)}

.tabla-wrap{overflow-x:auto;margin-top:1.6rem;border:1px solid var(--line);
  border-radius:var(--r);background:var(--card)}
.tabla{width:100%;border-collapse:collapse;font-size:.92rem;min-width:520px}
.tabla th{text-align:left;background:#f8fafe;font-size:.74rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--ink-3);font-weight:600;padding:12px 14px}
.tabla td{padding:12px 14px;border-top:1px solid var(--line);font-variant-numeric:tabular-nums}
.tabla td:first-child{font-variant-numeric:normal;color:var(--ink)}
.tabla tbody tr:hover{background:#fafcff}

.prose p{max-width:76ch;color:var(--ink-2);margin-bottom:.9rem}
.prose strong{color:var(--ink)}

.faq{display:grid;gap:8px;max-width:900px;margin-top:1.6rem}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:0 16px}
.faq summary{cursor:pointer;font-weight:600;padding:14px 0;list-style:none;
  display:flex;justify-content:space-between;gap:12px;align-items:center;font-size:.96rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.3rem;color:var(--blue);font-weight:400;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 0 16px;font-size:.92rem;color:var(--ink-2);max-width:76ch}

/* 7. Anuncios ----------------------------------------------- */
.ad-slot{border:1.5px dashed #c8d3e8;border-radius:var(--r);background:#eaf0fa;
  display:grid;place-items:center;color:#96a3bd;font-size:.72rem;font-weight:700;
  letter-spacing:.22em}
.ad-leaderboard{min-height:104px;margin-block:28px 8px}
.ad-incontent{min-height:262px;margin-block:8px}

/* 8. Pie ---------------------------------------------------- */
.site-footer{background:var(--n900);color:rgba(255,255,255,.62)}
.footer-inner{padding-block:34px;display:grid;gap:20px}
.foot-top{display:grid;gap:20px;align-items:center}
.foot-logo{height:44px;width:auto}
.foot-links{display:flex;flex-wrap:wrap;gap:20px;font-size:.9rem}
.foot-links a:hover{color:#fff}
.foot-note{font-size:.8rem;color:rgba(255,255,255,.4);
  border-top:1px solid rgba(255,255,255,.09);padding-top:18px}
.foot-note a{text-decoration:underline}

/* 9. Responsive --------------------------------------------- */
@media (min-width:720px){
  .stats{grid-template-columns:repeat(4,1fr)}
  .cards{grid-template-columns:repeat(3,1fr)}
  .foot-top{grid-template-columns:auto 1fr}
  .foot-links{justify-content:flex-end}
}
@media (max-width:719px){
  .site-nav{display:none}
  .header-inner{height:64px}
  .brand-logo{height:36px}
  html{scroll-padding-top:74px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .go:hover{transform:none}
}