/* Betonwin Argentina — tema único (seed: betonwin-argentina-2026)
   Modo: colorful · Acento: celeste/azure + CTA dorado (sol) · Tipos: Space Grotesk / IBM Plex Sans
   Layout: offset/asimétrico · Formas: esquinas marcadas, tarjetas con borde, botones con glow,
   divisores inclinados, motivo "spark" */

:root{
  --bg:#0a1733; --bg2:#102a5e; --surface:#13244c; --surface2:#1b3163;
  --text:#eaf1ff; --muted:#a9bce0; --border:#2a487f;
  --accent:#38bdf8;            /* celeste / azure */
  --accent-deep:#0ea5e9;
  --accent2:#f5b301;           /* dorado (sol) */
  /* CTA brillante (CRO) — dorado, alta energía */
  --cta:#f5b301; --cta-2:#ffd24a; --cta-contrast:#1a1405;
  --font-head:"Space Grotesk",system-ui,-apple-system,Segoe UI,sans-serif;
  --font-body:"IBM Plex Sans",system-ui,-apple-system,Segoe UI,sans-serif;
  --radius:3px; --radius-pill:4px;
  --shadow:0 14px 40px rgba(0,0,0,.42); --shadow-sm:0 2px 10px rgba(0,0,0,.3);
  --container:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--text);font-family:var(--font-body);font-size:17px;line-height:1.65;
  background:
    radial-gradient(900px 520px at 85% -8%, rgba(56,189,248,.20), transparent 60%),
    radial-gradient(700px 480px at -8% 8%, rgba(245,179,1,.12), transparent 55%),
    linear-gradient(180deg,var(--bg),var(--bg2));
  background-attachment:fixed;position:relative}
/* motivo spark (pequeños destellos), detrás del contenido */
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.5;
  background-image:radial-gradient(2px 2px at 20% 30%, rgba(255,255,255,.25), transparent),
    radial-gradient(2px 2px at 70% 20%, rgba(56,189,248,.3), transparent),
    radial-gradient(1.5px 1.5px at 40% 70%, rgba(245,179,1,.3), transparent),
    radial-gradient(2px 2px at 85% 60%, rgba(255,255,255,.2), transparent);
  background-size:600px 600px}
main,header,footer{position:relative;z-index:1}
img,svg,video,canvas{max-width:100%;height:auto;display:block}
a{color:var(--accent)}
h1,h2,h3,h4{font-family:var(--font-head);line-height:1.14;letter-spacing:-.02em;margin:.2em 0 .4em;font-weight:700}
h1{font-size:2.7rem} h2{font-size:1.8rem;margin-top:1.7em} h3{font-size:1.2rem}
p{margin:0 0 1em}
h1,h2,h3,h4,p,a,li,td,th{overflow-wrap:break-word}
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:clamp(16px,4vw,28px);position:relative;z-index:1}
.muted{color:var(--muted)} .mono{font-variant-numeric:tabular-nums}

/* divisor inclinado */
.rule{height:0;border:0;margin:34px 0;position:relative}
.rule::after{content:"";position:absolute;left:0;right:0;height:3px;transform:skewY(-1.1deg);
  background:linear-gradient(90deg,var(--accent),var(--accent2))}

/* header */
.site-header{position:sticky;top:0;z-index:40;background:rgba(10,23,51,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;gap:18px;min-height:66px}
.brand{font-family:var(--font-head);font-weight:700;font-size:1.18rem;color:var(--text);text-decoration:none;white-space:nowrap}
.brand b{color:var(--accent)}
.nav nav{display:flex;gap:15px;flex-wrap:wrap;margin-left:6px}
.nav nav a{color:var(--text);text-decoration:none;font-size:.95rem;font-weight:600;opacity:.9}
.nav nav a:hover{color:var(--accent)}
.nav .btn-cta{margin-left:auto}

/* menú móvil (hamburguesa) — solo CSS, sin JS */
.nav-toggle{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.nav-burger{display:none;align-items:center;justify-content:center;width:44px;height:44px;
  font-size:1.5rem;line-height:1;color:var(--text);cursor:pointer;border:1px solid var(--border);
  border-radius:var(--radius);background:var(--surface);user-select:none;-webkit-tap-highlight-color:transparent}
.nav-burger::before{content:"\2630"}
.nav-burger:hover{color:var(--accent);border-color:var(--accent)}
.nav-toggle:focus-visible ~ .nav-burger{outline:2px solid var(--accent);outline-offset:2px}

/* botones con glow + CTA dorado (CRO) */
.btn-cta{display:inline-flex;align-items:center;min-height:44px;
  background:linear-gradient(135deg,var(--cta),var(--cta-2));color:var(--cta-contrast);
  font-family:var(--font-head);font-weight:700;font-size:1rem;padding:12px 26px;border-radius:var(--radius);
  text-decoration:none;border:0;box-shadow:0 10px 28px rgba(245,179,1,.4);
  transition:transform .12s ease,box-shadow .12s ease}
.btn-cta:hover{transform:translateY(-2px);box-shadow:0 14px 38px rgba(245,179,1,.55)}
.btn-cta.pulse{animation:ctaPulse 2.4s ease-in-out infinite}
@keyframes ctaPulse{0%,100%{box-shadow:0 10px 28px rgba(245,179,1,.36)}50%{box-shadow:0 12px 36px rgba(245,179,1,.66)}}
.btn-2{display:inline-flex;align-items:center;min-height:44px;padding:11px 22px;border:2px solid var(--accent);
  border-radius:var(--radius);color:var(--accent);text-decoration:none;font-weight:700;font-family:var(--font-head)}
.btn-2:hover{background:var(--accent);color:#04243a}

/* hero offset */
.hero{padding:52px 0 26px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:-80px;width:520px;height:520px;z-index:0;
  background:radial-gradient(circle,rgba(56,189,248,.18),transparent 65%)}
.hero-grid{display:grid;grid-template-columns:1.28fr .92fr;gap:30px;align-items:center}
.eyebrow{display:inline-block;font-family:var(--font-head);font-weight:700;color:#04243a;
  background:var(--accent);padding:5px 13px;border-radius:var(--radius);text-transform:uppercase;
  letter-spacing:.06em;font-size:.74rem}
.hero h1{font-size:3rem}
.hero .lead{font-size:1.13rem;color:#dbe6ff}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}

/* CRO: trust row + verdict box + cta band */
.trust-row{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0 0}
.trust-row span{display:inline-flex;align-items:center;gap:6px;font-size:.82rem;font-weight:600;color:var(--muted);
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:5px 12px}
.trust-row b{color:var(--accent)}
.verdict-box{display:flex;gap:18px;align-items:center;flex-wrap:wrap;justify-content:space-between;
  background:linear-gradient(150deg,var(--surface2),var(--surface));border:1px solid var(--accent2);
  border-radius:var(--radius);padding:22px;margin:22px 0}
.verdict-box .vb-score{font-family:var(--font-head);font-weight:700;font-size:2rem;color:var(--accent2)}
.verdict-box .vb-text{flex:1;min-width:220px}
.cta-band{text-align:center}

/* tarjetas borde */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm)}
.card-hl{background:linear-gradient(150deg,var(--surface2),var(--surface));border-color:var(--accent)}
.facts{list-style:none;margin:0;padding:0}
.facts li{display:flex;justify-content:space-between;gap:14px;padding:10px 0;border-bottom:1px solid var(--border);font-size:.98rem}
.facts li:last-child{border-bottom:0}
.facts li span:first-child{color:var(--muted)}
.facts li span:last-child{font-weight:700;text-align:right}
.badge{display:inline-block;background:transparent;color:var(--accent);border:1px solid var(--accent);font-weight:700;font-size:.76rem;padding:3px 12px;border-radius:var(--radius)}
.badge.b2{color:var(--accent2);border-color:var(--accent2)}

/* banda inclinada */
.band{position:relative;background:linear-gradient(120deg,rgba(56,189,248,.16),rgba(245,179,1,.12));
  border-block:1px solid var(--border);margin:42px 0;clip-path:polygon(0 3%,100% 0,100% 97%,0 100%)}
.band .container{padding-block:50px}
.band h2{color:#fff}

/* grids */
.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(2,1fr)} .grid-3{grid-template-columns:repeat(3,1fr)}
.grid-auto{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr))}
.feature{background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--accent);border-radius:var(--radius);padding:20px}
.feature h3{margin-top:0}

/* tablas */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;margin:14px 0;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;font-size:.95rem}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--border)}
th{background:var(--surface2);font-family:var(--font-head);font-size:.86rem;color:var(--accent)}
tr:last-child td{border-bottom:0}
@media(max-width:560px){ table{display:block;overflow-x:auto} }

/* pros/cons */
.pc{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.pc ul{margin:.4em 0;padding-left:1.3em}
.pc .pros li::marker{content:"✓ ";color:var(--accent);font-weight:800}
.pc .cons li::marker{content:"– ";color:var(--accent2);font-weight:800}

/* pasos */
.steps{counter-reset:s;list-style:none;padding:0;margin:1em 0}
.steps li{counter-increment:s;position:relative;padding:14px 14px 14px 58px;margin-bottom:12px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}
.steps li::before{content:counter(s);position:absolute;left:14px;top:14px;width:30px;height:30px;background:var(--accent);color:#04243a;font-family:var(--font-head);font-weight:700;display:grid;place-items:center;border-radius:var(--radius)}

/* tiles */
.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.tile{border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);background:var(--surface)}
.tile img{width:100%;height:auto;display:block;aspect-ratio:3/2;object-fit:cover}
.tile span{display:block;padding:10px 12px;font-family:var(--font-head);font-weight:700;font-size:.95rem}

/* faq */
.faq details{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;margin-bottom:10px}
.faq summary{font-family:var(--font-head);font-weight:700;cursor:pointer}
.faq details[open] summary{color:var(--accent)}

/* migas / autor / enlaces */
.crumbs{font-size:.85rem;color:var(--muted);padding-top:16px}
.crumbs a{color:var(--muted)}
.byline{font-size:.9rem;color:var(--muted);margin:6px 0 0}
.ilinks{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:8px 0}
.ilinks a{display:block;padding:16px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);text-decoration:none;color:var(--text)}
.ilinks a:hover{border-color:var(--accent);color:var(--accent)}
.ilinks strong{font-family:var(--font-head)}
.author-card{display:flex;gap:18px;align-items:flex-start;margin:20px 0;padding:22px}
.author-avatar{flex:0 0 auto;width:64px;height:64px;border-radius:var(--radius);background:linear-gradient(135deg,var(--accent),var(--accent2));color:#04243a;display:grid;place-items:center;font-family:var(--font-head);font-weight:700;font-size:1.35rem}
.author-name{margin:0;font-size:1.25rem}
.author-role{margin:.15em 0 .55em;font-family:var(--font-head);font-size:.76rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.author-bio{margin:0;color:#dbe6ff;font-size:.97rem}

/* footer */
.site-footer{background:#08122b;border-top:1px solid var(--border);margin-top:48px;padding:32px 0;color:var(--muted)}
.site-footer a{color:var(--accent)}
.site-footer .disclaimer{color:#dbe6ff;font-size:.95rem}
.site-footer .affiliate-disclosure,.site-footer .byline{font-size:.82rem}

/* sticky CTA */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:50;display:none;background:rgba(8,18,43,.96);backdrop-filter:blur(8px);padding:10px 16px;text-align:center;border-top:1px solid var(--border)}
.sticky-cta .btn-cta{width:100%;max-width:520px;justify-content:center}
.sticky-cta.show{display:none}

section{padding:6px 0}

/* base obligatoria de seguridad/responsive (QA) */
html,body{max-width:100%;overflow-x:clip}
input,select,textarea{font-size:16px}
@media(max-width:860px){
  .hero-grid,.pc,.ilinks,.grid-3,.grid-2,.tiles{grid-template-columns:1fr}
  .hero h1{font-size:2.15rem}
  .nav{flex-wrap:wrap;row-gap:0}
  .brand{order:1}
  .nav-burger{display:inline-flex;order:2;margin-left:auto}
  .nav .btn-cta{order:3;margin-left:12px}
  .nav nav{display:none}
  .nav-toggle:checked ~ nav{display:flex;flex-direction:column;gap:0;order:4;flex-basis:100%;width:100%;margin:10px 0 2px;padding-top:4px;border-top:1px solid var(--border)}
  .nav-toggle:checked ~ nav a{padding:13px 6px;border-bottom:1px solid var(--border);font-size:1.05rem}
  .nav-toggle:checked ~ .nav-burger::before{content:"\2715"}
  .sticky-cta.show{display:block}
  body{padding-bottom:84px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* surfaces keep their own text color — never inherit a band's light text (fixes pale steps-in-band) */
.card,.steps li,.feature,.tile,table,td,th,.verdict-box,.faq details,.author-card{color:var(--text)}
.card a,.steps li a,.verdict-box a,.feature a{color:var(--accent-deep,var(--accent))}

/* CTA buttons keep their own text color even inside cards/verdict-box/sticky (fix pale button text) */
.card .btn-cta,.gcard .btn-cta,.steps li .btn-cta,.verdict-box .btn-cta,.feature .btn-cta,.sticky-cta .btn-cta,.mag-side .btn-cta,.cardgrid .btn-cta{color:var(--cta-contrast,var(--accent-contrast))}
.card .btn-2,.gcard .btn-2,.verdict-box .btn-2,.feature .btn-2{color:var(--accent)}