/* Cursos ARP (Paraguay) — lightweight, accessible, SEO-friendly */
:root{
  --bg: #0b1220;
  --surface: rgba(255,255,255,.06);
  --surface-2: rgba(255,255,255,.10);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.72);
  --faint: rgba(255,255,255,.58);
  --stroke: rgba(255,255,255,.14);
  --brand: #18b278; /* verde institucional moderno */
  --brand-2: #59d6ff; /* acento fresco */
  --warning: #ffcf66;
  --shadow: 0 16px 40px rgba(0,0,0,.38);
  --radius: 18px;
  --radius-sm: 12px;
  --max: 1140px;
  --focus: 0 0 0 3px rgba(89,214,255,.35);
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  color:var(--text);
  background:
    radial-gradient(1200px 700px at 15% 12%, rgba(24,178,120,.22), transparent 55%),
    radial-gradient(900px 520px at 78% 18%, rgba(89,214,255,.18), transparent 55%),
    radial-gradient(700px 500px at 60% 86%, rgba(255,207,102,.10), transparent 60%),
    linear-gradient(180deg, #050812, var(--bg) 30%, #070b16);
  font-family: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img{ max-width:100%; height:auto; }
a{ color:inherit; text-decoration:none; }
a:hover{ text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 3px; }

.skip-link{
  position:absolute;
  left:-999px;
  top:auto;
  width:1px;height:1px;
  overflow:hidden;
}
.skip-link:focus{
  left: 14px; top: 12px;
  width:auto;height:auto;
  background:#0a1020;
  border: 1px solid var(--stroke);
  border-radius: 12px;
  padding: 10px 12px;
  box-shadow: var(--shadow);
  outline:none;
}

.container{ width:min(var(--max), calc(100% - 40px)); margin:0 auto; }

header.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(5,8,18,.72);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.topbar{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  font-size: 14px;
  color: var(--muted);
}
.topbar a{ color: var(--muted); }
.topbar .meta{
  display:flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items:center;
}
.pill{
  display:inline-flex;
  align-items:center;
  gap: 8px;
  padding: 7px 10px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 999px;
  background: rgba(255,255,255,.03);
}
.pill strong{ color: var(--text); font-weight: 700; }

.nav{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0 14px 0;
}
.brand{
  display:flex;
  gap: 10px;
  align-items:center;
  min-width: 220px;
}
.brand img{
  width: 38px;
  height: 38px;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0,0,0,.28);
}
.brand .name{
  display:flex;
  flex-direction:column;
  line-height: 1.1;
}
.brand .name span{ font-size: 12px; color: var(--faint); }
.brand .name strong{ font-size: 15px; letter-spacing: .2px; }

nav.primary{
  display:flex;
  align-items:center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
nav.primary a{
  font-size: 14px;
  color: rgba(255,255,255,.78);
  padding: 10px 10px;
  border-radius: 12px;
}
nav.primary a:focus{ outline:none; box-shadow: var(--focus); }
nav.primary a:hover{
  background: rgba(255,255,255,.05);
  text-decoration:none;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.06);
  color: var(--text);
  font-weight: 700;
  letter-spacing: .2px;
  box-shadow: 0 8px 18px rgba(0,0,0,.18);
}
.btn:hover{ text-decoration:none; background: rgba(255,255,255,.09); }
.btn:focus{ outline:none; box-shadow: var(--focus); }
.btn.primary{
  border-color: rgba(24,178,120,.42);
  background: linear-gradient(135deg, rgba(24,178,120,.95), rgba(89,214,255,.66));
  color: #06121a;
}
.btn.primary:hover{ filter: brightness(1.02); }
.btn.ghost{
  background: transparent;
}

main{ padding-bottom: 60px; }

.hero{
  padding: 40px 0 28px 0;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 22px;
  align-items: stretch;
}
.card{
  border-radius: var(--radius);
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.10);
  box-shadow: var(--shadow);
}
.hero-copy{
  padding: 28px 26px 26px 26px;
  position: relative;
  overflow:hidden;
}
.hero-copy:before{
  content:"";
  position:absolute;
  inset:-2px;
  background:
    radial-gradient(500px 200px at 20% 20%, rgba(24,178,120,.18), transparent 60%),
    radial-gradient(500px 240px at 70% 25%, rgba(89,214,255,.14), transparent 60%);
  pointer-events:none;
}
.hero-copy > *{ position:relative; }
.kicker{
  display:flex;
  align-items:center;
  gap: 10px;
  flex-wrap: wrap;
  color: rgba(255,255,255,.78);
  font-size: 14px;
}
.dot{
  width: 8px; height: 8px;
  border-radius: 999px;
  background: var(--brand);
  box-shadow: 0 0 0 4px rgba(24,178,120,.15);
}
h1{
  margin: 12px 0 10px 0;
  font-size: clamp(30px, 3.2vw, 44px);
  line-height: 1.12;
  letter-spacing: -0.6px;
}
.lead{
  margin: 0;
  color: rgba(255,255,255,.78);
  font-size: 16px;
  max-width: 60ch;
}
.hero-actions{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
}
.trust{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
  color: rgba(255,255,255,.74);
  font-size: 13px;
}
.trust .pill{ border-color: rgba(255,255,255,.12); }

.hero-media{
  display:flex;
  flex-direction:column;
  overflow:hidden;
}
.hero-media img{
  width: 100%;
  height: 100%;
  max-height: 340px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.10);
}

section{
  padding: 30px 0;
}
.section-head{
  display:flex;
  justify-content: space-between;
  align-items:flex-end;
  gap: 14px;
  margin-bottom: 14px;
}
.section-head h2{
  margin:0;
  font-size: 22px;
  letter-spacing: -0.2px;
}
.section-head p{
  margin:0;
  color: var(--muted);
  max-width: 70ch;
  font-size: 14px;
}

.grid{
  display:grid;
  gap: 14px;
}
.grid.cols-3{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.cols-2{ grid-template-columns: repeat(2, minmax(0, 1fr)); }

.tile{
  padding: 16px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.10);
}
.tile h3{ margin: 0 0 6px 0; font-size: 16px; letter-spacing: -0.1px; }
.tile p{ margin: 0; color: var(--muted); font-size: 14px; }
.tile .meta{
  display:flex; flex-wrap: wrap; gap: 8px;
  margin-top: 10px;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap: 8px;
  font-size: 12px;
  color: rgba(255,255,255,.78);
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.03);
}
.tag b{ color: var(--text); }

.tile a.more{
  display:inline-flex;
  margin-top: 12px;
  font-weight: 800;
  color: rgba(255,255,255,.90);
}
.tile a.more:hover{ text-decoration:none; }
.tile a.more span{
  display:inline-block;
  transform: translateX(0);
  transition: transform .15s ease;
}
.tile a.more:hover span{ transform: translateX(4px); }

.banner{
  border-radius: var(--radius);
  overflow:hidden;
  border: 1px solid rgba(255,255,255,.10);
}
.banner img{
  width:100%;
  height: 220px;
  object-fit: cover;
  display:block;
}

.highlight{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.highlight .tile{ padding: 18px; }
.list{
  margin: 10px 0 0 0;
  padding: 0;
  list-style: none;
  display:grid;
  gap: 10px;
}
.list li{
  display:flex;
  gap: 10px;
  align-items:flex-start;
  color: var(--muted);
  font-size: 14px;
}
.check{
  width: 20px; height: 20px;
  border-radius: 8px;
  background: rgba(24,178,120,.22);
  border: 1px solid rgba(24,178,120,.38);
  display:flex;
  align-items:center;
  justify-content:center;
  flex: 0 0 auto;
  margin-top: 1px;
}

.quote{
  padding: 18px;
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border: 1px solid rgba(255,255,255,.10);
}
.quote p{
  margin:0;
  color: rgba(255,255,255,.84);
  font-size: 14px;
}
.quote .who{
  margin-top: 10px;
  display:flex;
  justify-content: space-between;
  gap: 10px;
  color: var(--faint);
  font-size: 12px;
}

details.faq{
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  padding: 14px 16px;
}
details.faq + details.faq{ margin-top: 10px; }
details.faq summary{
  cursor:pointer;
  list-style:none;
  font-weight: 800;
  letter-spacing: -0.1px;
}
details.faq summary::-webkit-details-marker{ display:none; }
details.faq p{ margin: 10px 0 0 0; color: var(--muted); font-size: 14px; }

.cta{
  padding: 22px;
  background:
    radial-gradient(600px 260px at 20% 20%, rgba(24,178,120,.22), transparent 60%),
    radial-gradient(600px 280px at 78% 30%, rgba(89,214,255,.14), transparent 62%),
    rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: var(--radius);
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 16px;
  box-shadow: var(--shadow);
}
.cta h2{ margin:0; font-size: 20px; letter-spacing: -0.2px; }
.cta p{ margin: 6px 0 0 0; color: var(--muted); font-size: 14px; max-width: 70ch; }
.cta .actions{ display:flex; gap: 10px; flex-wrap: wrap; }

footer{
  padding: 28px 0 42px 0;
  color: rgba(255,255,255,.70);
  border-top: 1px solid rgba(255,255,255,.08);
  background: rgba(5,8,18,.35);
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 16px;
  align-items:start;
}
.fine{
  font-size: 12px;
  color: rgba(255,255,255,.60);
}
.footer-links{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.footer-links a{
  color: rgba(255,255,255,.74);
  padding: 8px 10px;
  border-radius: 12px;
}
.footer-links a:hover{ background: rgba(255,255,255,.05); text-decoration:none; }

.breadcrumb{
  font-size: 13px;
  color: var(--muted);
  margin: 12px 0 0 0;
}
.breadcrumb a{ color: var(--muted); }
.page-hero{
  padding: 26px 0 10px 0;
}
.page-hero h1{ margin-top: 10px; }

.sr-only{
  position:absolute !important;
  width:1px; height:1px;
  padding:0; margin:-1px;
  overflow:hidden; clip:rect(0,0,0,0);
  white-space:nowrap; border:0;
}

@media (max-width: 920px){
  .hero-grid{ grid-template-columns: 1fr; }
  .hero-media img{ max-height: 260px; }
  .grid.cols-3{ grid-template-columns: 1fr; }
  .grid.cols-2{ grid-template-columns: 1fr; }
  .highlight{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr; }
  .footer-links{ justify-content: flex-start; }
  nav.primary{ justify-content:flex-start; }
  .brand{ min-width: unset; }
}