:root {
  --ifs: #12a67a;
  --ifs-ink: #0a6b4f;
  --ifs-soft: rgba(18, 166, 122, .14);
  --ifs-line: rgba(18, 166, 122, .38);
}

html { scroll-behavior: smooth; }

.saltar {
  position: absolute; left: 12px; top: -60px; z-index: 200;
  background: var(--card); color: var(--navy); padding: 10px 16px;
  border-radius: 8px; border: 1px solid var(--line); font-weight: 600;
}
.saltar:focus { top: 12px; }

a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 3px solid var(--ifs); outline-offset: 2px;
}

/* ---------- Hero ---------- */
.hero--ifs { position: relative; overflow: hidden; }
.hero--ifs::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(560px 340px at 86% 8%, rgba(18, 166, 122, .26), transparent 70%),
    radial-gradient(420px 260px at 4% 100%, rgba(58, 122, 184, .22), transparent 72%);
}
.hero--ifs .envoltura { position: relative; z-index: 1; }
.hero__rejilla--ancha { grid-template-columns: 1.02fr .98fr; }
.hero--ifs h1 { font-size: clamp(30px, 3.4vw, 45px); max-width: 22ch; }
.hero--ifs p { max-width: 58ch; }
.hero__etiqueta {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 12px; font-weight: 700; letter-spacing: .8px; text-transform: uppercase;
  color: #b6f2de; background: rgba(18, 166, 122, .16);
  border: 1px solid var(--ifs-line); border-radius: 999px;
  padding: 5px 12px; margin-bottom: 14px;
}
.hero__meta {
  display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 18px;
  color: #a9c4dd; font-size: 13px;
}
.hero__meta span { display: inline-flex; align-items: center; gap: 7px; }
.hero__meta span::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--ifs); flex: none;
}
.hero__visual { display: flex; flex-direction: column; gap: 10px; }
.hero__pie { color: #a9c4dd !important; font-size: 12.5px !important; margin: 0 !important; text-align: right; }

.navegador {
  background: var(--card); border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 12px; overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .35);
}
.navegador__barra {
  display: flex; align-items: center; gap: 7px;
  padding: 10px 14px; background: var(--bg-alt2);
  border-bottom: 1px solid var(--line);
}
.navegador__punto { width: 9px; height: 9px; border-radius: 50%; background: #c9d4df; }
.navegador__punto:nth-child(1) { background: #e06a6a; }
.navegador__punto:nth-child(2) { background: #e6b552; }
.navegador__punto:nth-child(3) { background: #59b879; }
.navegador__url {
  flex: 1; text-align: center; margin-left: 8px;
  font-family: ui-monospace, Consolas, monospace; font-size: 11px; color: var(--muted);
  background: var(--bg); border: 1px solid var(--line); border-radius: 999px;
  padding: 3px 10px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.navegador img {
  width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: top left;
  display: block; background: var(--bg-alt);
}

/* ---------- Cifras ---------- */
.cifras {
  background: var(--card); border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow); position: relative; z-index: 2;
}
.cifras__rejilla {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 10px; padding-top: 18px; padding-bottom: 18px;
}
.cifra { text-align: center; padding: 6px 10px; border-left: 1px solid var(--line); }
.cifra:first-child { border-left: 0; }
.cifra strong { display: block; font-size: 27px; line-height: 1.1; color: var(--navy); }
.cifra span { font-size: 12.5px; color: var(--muted); }

/* ---------- Beneficios ---------- */
.rejilla--beneficios { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.beneficio {
  background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--ifs);
  border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow);
}
.beneficio__icono {
  width: 40px; height: 40px; border-radius: 10px; margin-bottom: 12px;
  display: grid; place-items: center; color: #fff;
  background: linear-gradient(150deg, var(--navy-hi), var(--navy-lo));
}
.beneficio h3 { margin: 0 0 6px; font-size: 17px; color: var(--ink); }
.beneficio p { margin: 0; color: var(--muted); font-size: 14.5px; }

/* ---------- Módulos ---------- */
.modulos { display: grid; grid-template-columns: repeat(auto-fill, minmax(292px, 1fr)); gap: 18px; }
.modulo {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 21px; display: flex; flex-direction: column; gap: 10px;
  box-shadow: var(--shadow); transition: transform .18s, border-color .18s, box-shadow .18s;
}
.modulo:hover { transform: translateY(-3px); border-color: var(--navy-hi); }
.modulo__cab { display: flex; align-items: center; gap: 12px; }
.modulo__icono {
  width: 44px; height: 44px; border-radius: 10px; flex: none;
  display: grid; place-items: center; background: var(--ifs-soft); color: var(--ifs-ink);
}
.modulo h3 { margin: 0; font-size: 17px; color: var(--ink); }
.modulo p { margin: 0; color: var(--muted); font-size: 14.5px; flex: 1; }
.modulo .etiquetas { display: flex; flex-wrap: wrap; gap: 6px; }
.etiqueta--ifs { background: var(--ifs-soft); color: var(--ifs-ink); }
.modulo__link { font-size: 14px; font-weight: 600; color: var(--navy-hi); margin-top: 2px; }

/* ---------- Capturas ---------- */
.capturas { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.captura {
  margin: 0; background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
}
.captura img {
  width: 100%; aspect-ratio: 16 / 9; object-fit: cover; object-position: top left;
  display: block; background: var(--bg-alt);
}
.captura--ancha { grid-column: span 2; }
.captura--ancha img { aspect-ratio: 21 / 9; }
.captura figcaption {
  padding: 12px 16px 14px; font-size: 13.5px; color: var(--muted);
}
.captura figcaption strong { display: block; color: var(--ink); font-size: 14.5px; margin-bottom: 2px; }

/* ---------- Pasos ---------- */
.pasos { display: grid; grid-template-columns: repeat(auto-fit, minmax(225px, 1fr)); gap: 18px; }
.paso {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px; box-shadow: var(--shadow); border-top: 3px solid var(--navy);
}
.paso__num {
  font-family: ui-monospace, Consolas, monospace; font-size: 12px; font-weight: 800;
  letter-spacing: .8px; color: var(--navy-hi);
}
.paso h3 { margin: 7px 0 6px; font-size: 17px; color: var(--ink); }
.paso p { margin: 0; color: var(--muted); font-size: 14.5px; }

/* ---------- Demo ---------- */
.demo { display: grid; grid-template-columns: 1fr 390px; gap: 36px; align-items: center; }
.demo__panel {
  background: linear-gradient(155deg, #0b2b24, #071d1a 60%, #071724);
  color: #fff; border-radius: 14px; padding: 26px;
  box-shadow: 0 18px 44px rgba(6, 20, 34, .28);
  border: 1px solid rgba(18, 166, 122, .28);
}
.demo__panel .hero__etiqueta { margin-bottom: 10px; }
.demo__url {
  font-family: ui-monospace, Consolas, monospace; font-size: 13.5px;
  color: #a9d8c8; margin: 0 0 4px; word-break: break-all;
}
.demo__credenciales { display: grid; gap: 8px; margin: 16px 0 18px; }
.cred {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 8px; padding: 9px 12px; font-size: 14px;
}
.cred span { color: #a9d8c8; }
.cred code { font-weight: 700; color: #fff; font-size: 14.5px; }
.demo__panel .btn { width: 100%; }
.demo__nota { font-size: 12.3px; color: #a9d8c8; margin: 14px 0 0; line-height: 1.5; }
.nota-legal { font-size: 12.8px; color: var(--muted); margin-top: 16px; }

/* ---------- Requisitos ---------- */
.requisitos { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; }
.requisito {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; box-shadow: var(--shadow);
}
.requisito h3 { margin: 0 0 10px; font-size: 17px; color: var(--ink); }
.requisito ul { margin: 0; padding-left: 20px; color: var(--muted); font-size: 14.5px; }
.requisito li { margin-bottom: 6px; }
.requisito code {
  font-family: ui-monospace, Consolas, monospace; font-size: 12.5px;
  background: var(--bg-alt3); border-radius: 4px; padding: 1px 5px; color: var(--ink);
}

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 10px; max-width: 880px; }
.faq details {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 9px; padding: 14px 18px;
}
.faq summary { cursor: pointer; font-weight: 600; color: var(--ink); }
.faq summary:hover { color: var(--navy-hi); }
.faq p { margin: 10px 0 0; color: var(--muted); font-size: 14.5px; }

/* ---------- Ajustes de tema oscuro ---------- */
html.tema-oscuro .etiqueta--ifs { color: var(--ifs); }
html.tema-oscuro .modulo__icono { color: var(--ifs); }
html.tema-oscuro .navegador { border-color: rgba(255, 255, 255, .1); }
html.tema-oscuro .cifra strong { color: var(--ifs); }
html.tema-oscuro .beneficio { border-left-color: var(--ifs); }
html.tema-oscuro .paso { border-top-color: var(--ifs); }
html.tema-oscuro .cred code { color: #fff; }

@media (max-width: 940px) {
  .hero__rejilla--ancha { grid-template-columns: 1fr; }
  .hero__visual { max-width: 720px; }
  .hero__pie { text-align: left; }
  .demo { grid-template-columns: 1fr; }
  .cifras__rejilla { grid-template-columns: repeat(2, 1fr); }
  .cifra:nth-child(3) { border-left: 0; }
  .capturas { grid-template-columns: 1fr; }
  .captura--ancha { grid-column: span 1; }
  .captura--ancha img { aspect-ratio: 16 / 9; }
}

@media (max-width: 560px) {
  .hero--ifs h1 { font-size: 28px; }
  .hero__botones .btn { width: 100%; }
  .cifra strong { font-size: 23px; }
  .cifra span { font-size: 11.5px; }
  .demo__panel { padding: 20px; }
  .cred { font-size: 13px; }
}