/* ==========================================================================
   sipuedes.cl — hoja de estilo principal
   Marca: índigo profundo + ámbar cálido. Puerta abierta = posibilidades.
   ========================================================================== */

:root{
  --indigo:      #1E2A5E;
  --indigo-600:  #2B3A7E;
  --indigo-700:  #16204A;
  --amber:       #F59E0B;
  --amber-600:   #EA580C;
  --ink:         #101426;
  --ink-soft:    #4A5169;
  --line:        #E4E7F0;
  --bg:          #FFFFFF;
  --bg-tint:     #F6F7FB;
  --radius:      16px;
  --radius-sm:   10px;
  --shadow-sm:   0 1px 2px rgba(16,20,38,.06), 0 2px 8px rgba(16,20,38,.05);
  --shadow-md:   0 4px 12px rgba(16,20,38,.07), 0 12px 32px rgba(16,20,38,.08);
  --shadow-lg:   0 18px 48px rgba(16,20,38,.14);
  --container:   1180px;
  --ease:        cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }

body{
  margin:0;
  font-family:'Plus Jakarta Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }

.skip-link{
  position:absolute; left:-9999px; top:0; z-index:999;
  background:var(--indigo); color:#fff; padding:.75rem 1.25rem; border-radius:0 0 8px 0;
}
.skip-link:focus{ left:0; }

.container{ width:100%; max-width:var(--container); margin-inline:auto; padding-inline:24px; }
.container--narrow{ max-width:820px; }

/* ---------------------------------------------------------------- HEADER */
.header{
  position:fixed; inset:0 0 auto 0; z-index:100;
  background:rgba(255,255,255,.82);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .3s var(--ease), background .3s var(--ease), box-shadow .3s var(--ease);
}
.header.is-stuck{
  border-bottom-color:var(--line);
  box-shadow:0 1px 20px rgba(16,20,38,.06);
}
.header__inner{ display:flex; align-items:center; gap:20px; height:72px; }

.brand{ display:flex; align-items:center; gap:11px; font-weight:800; letter-spacing:-.02em; }
.brand__mark{ width:40px; height:40px; border-radius:11px; }
.brand__name{ font-size:1.16rem; }

.nav{ margin-left:auto; display:flex; align-items:center; gap:34px; font-size:.93rem; font-weight:500; }
.nav a{ color:var(--ink-soft); position:relative; padding:10px 2px; transition:color .2s var(--ease); }
.nav a::after{
  content:''; position:absolute; left:0; right:0; bottom:0; height:2px;
  background:var(--amber); border-radius:2px;
  transform:scaleX(0); transform-origin:left; transition:transform .28s var(--ease);
}
.nav a:hover{ color:var(--ink); }
.nav a:hover::after{ transform:scaleX(1); }
.nav__cta::after{ display:none; }

.nav-toggle{
  display:none; margin-left:auto; width:42px; height:42px; border:1px solid var(--line);
  background:#fff; border-radius:11px; cursor:pointer; padding:0;
  place-items:center; gap:4px; flex-direction:column;
}
.nav-toggle span{ display:block; width:18px; height:2px; background:var(--ink); border-radius:2px; transition:.25s var(--ease); }
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform:translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform:translateY(-6px) rotate(-45deg); }

/* ---------------------------------------------------------------- BUTTONS */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-weight:700; font-size:.95rem;
  /* line-height 1 dejaba el texto pegado al borde del boton */
  line-height:1.25;
  padding:1rem 1.7rem; border-radius:12px; border:1.5px solid transparent;
  cursor:pointer; white-space:nowrap; text-align:center;
  transition:transform .18s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease), border-color .22s var(--ease);
}
.btn:active{ transform:translateY(1px); }
.btn--primary{ background:var(--indigo); color:#fff; box-shadow:0 2px 8px rgba(30,42,94,.24); }
.btn--primary:hover{ background:var(--indigo-600); box-shadow:0 8px 22px rgba(30,42,94,.3); transform:translateY(-2px); }
.btn--ghost{ background:#fff; color:var(--indigo); border-color:var(--line); }
.btn--ghost:hover{ border-color:var(--indigo); background:#fff; transform:translateY(-2px); }
.btn--light{ background:#fff; color:var(--indigo); box-shadow:0 10px 30px rgba(0,0,0,.18); }
.btn--light:hover{ transform:translateY(-2px); box-shadow:0 16px 40px rgba(0,0,0,.24); }
/* IMPORTANTE: el boton de entrada vive dentro de .nav, y .nav a (clase+elemento)
   tiene MAS especificidad que .btn--sm (solo clase). Si no se sube la
   especificidad aqui, el padding del nav (10px 2px) le gana al del boton y el
   texto queda pegado al borde. Por eso se repite con .nav a.nav__cta. */
.nav__cta{ margin-left:10px; }
.nav a.nav__cta,
.nav .nav__cta{
  padding:.85rem 1.6rem;
  line-height:1.3;
}
.nav a.nav__cta::after,
.nav .nav__cta::after{ display:none; }
.nav__cta{ margin-left:6px; }
.btn--lg{ padding:1.15rem 2rem; font-size:1rem; }
.btn--xl{ padding:1.25rem 2.6rem; font-size:1.08rem; }

/* ---------------------------------------------------------------- HERO */
.hero{ position:relative; padding:140px 0 96px; overflow:hidden; }
.hero__glow{
  position:absolute; top:-280px; right:-140px; width:760px; height:760px; z-index:0;
  background:radial-gradient(circle at 50% 50%, rgba(245,158,11,.20), rgba(245,158,11,0) 66%);
  filter:blur(8px); pointer-events:none;
}
.hero__inner{
  position:relative; z-index:1;
  display:grid; grid-template-columns:1.05fr .95fr; gap:64px; align-items:center;
}

.pill{
  display:inline-flex; align-items:center; gap:8px;
  background:rgba(245,158,11,.12); color:#9A5B00;
  border:1px solid rgba(245,158,11,.28);
  padding:.42rem .95rem; border-radius:999px;
  font-size:.79rem; font-weight:700; letter-spacing:.01em;
}
.pill--light{ background:rgba(255,255,255,.14); color:#fff; border-color:rgba(255,255,255,.24); }

.hero h1{
  margin:22px 0 0;
  font-size:clamp(2.35rem,5.2vw,3.85rem);
  line-height:1.07; letter-spacing:-.035em; font-weight:800;
}
.grad{
  background:linear-gradient(100deg,var(--amber) 0%,var(--amber-600) 55%,#DC2626 100%);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero__lead{
  margin:22px 0 0; max-width:36em;
  font-size:1.08rem; color:var(--ink-soft); line-height:1.72;
}
.hero__actions{ display:flex; flex-wrap:wrap; gap:14px; margin-top:34px; }

.hero__facts{
  display:flex; gap:40px; margin-top:46px; padding-top:28px;
  border-top:1px solid var(--line); flex-wrap:wrap;
}
.hero__facts li{ font-size:.9rem; color:var(--ink-soft); }
.hero__facts strong{ display:block; font-size:1.5rem; color:var(--indigo); letter-spacing:-.02em; font-weight:800; }

/* Tarjetas flotantes */
.hero__art{ position:relative; min-height:400px; }
.card-stack{ position:relative; height:100%; min-height:400px; }
.mini-card{
  position:absolute; background:#fff; border:1px solid var(--line);
  border-radius:var(--radius); padding:22px 24px; width:min(330px,86%);
  box-shadow:var(--shadow-md);
  transition:transform .35s var(--ease), box-shadow .35s var(--ease);
}
.mini-card:hover{ transform:translateY(-5px) scale(1.015); box-shadow:var(--shadow-lg); }
.mini-card__tag{
  display:inline-block; background:rgba(30,42,94,.07); color:var(--indigo);
  font-size:.71rem; font-weight:800; letter-spacing:.05em; text-transform:uppercase;
  padding:.28rem .6rem; border-radius:6px; margin-bottom:12px;
}
.mini-card__title{ font-size:1.03rem; font-weight:700; letter-spacing:-.015em; line-height:1.35; }
.mini-card__meta{ margin-top:8px; font-size:.85rem; color:var(--ink-soft); }
.mini-card--a{ top:8px;  left:0;  transform:rotate(-1.4deg); }
.mini-card--b{ top:150px; left:52px; z-index:2; border-color:rgba(245,158,11,.35); }
.mini-card--c{ top:288px; left:18px; transform:rotate(1deg); }

/* ---------------------------------------------------------------- STRIP */
.strip{ background:var(--bg-tint); border-block:1px solid var(--line); padding:44px 0; }
.strip__grid{ display:grid; grid-template-columns:auto 1fr; gap:36px; align-items:center; }
.strip__grid p{ margin:0; font-size:.95rem; white-space:nowrap; }
.strip__list{ display:flex; flex-wrap:wrap; gap:10px 34px; }
.strip__list li{
  position:relative; padding-left:20px; font-size:.93rem; color:var(--ink-soft);
}
.strip__list li::before{
  content:''; position:absolute; left:0; top:.62em;
  width:7px; height:7px; border-radius:50%; background:var(--amber);
}

/* ---------------------------------------------------------------- SECTION */
.section{ padding:96px 0; }
.section--tint{ background:var(--bg-tint); }
.section--dark{ background:linear-gradient(155deg,var(--indigo-700),var(--indigo) 62%,#25336E); color:#fff; }
.section__head{ max-width:44em; margin-bottom:52px; }
.eyebrow{
  display:inline-block; font-size:.78rem; font-weight:800; letter-spacing:.13em;
  text-transform:uppercase; color:var(--amber-600); margin-bottom:14px;
}
.section__head h2{ margin:0; font-size:clamp(1.85rem,3.6vw,2.7rem); line-height:1.14; letter-spacing:-.032em; font-weight:800; }
.section__lead{ margin:16px 0 0; font-size:1.05rem; color:var(--ink-soft); }
.section--dark .section__lead{ color:rgba(255,255,255,.76); }

.grid{ display:grid; gap:26px; }
.grid--3{ grid-template-columns:repeat(auto-fit,minmax(310px,1fr)); }

/* ---------------------------------------------------------------- COURSE */
.course{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius);
  padding:30px 28px; display:flex; flex-direction:column;
  transition:transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.course:hover{ transform:translateY(-5px); box-shadow:var(--shadow-md); border-color:#D3D8E8; }
.course--accent{ background:linear-gradient(170deg,#FFF9EE,#FFFDF8); border-color:rgba(245,158,11,.3); }
.course__num{
  font-size:.78rem; font-weight:800; letter-spacing:.1em; color:var(--amber-600);
  margin-bottom:14px;
}
.course h3{ margin:0 0 10px; font-size:1.16rem; line-height:1.32; letter-spacing:-.022em; font-weight:800; }
.course > p{ margin:0 0 18px; color:var(--ink-soft); font-size:.95rem; }
.course__list{ margin:0 0 20px; display:grid; gap:8px; }
.course__list li{ position:relative; padding-left:18px; font-size:.88rem; color:var(--ink-soft); }
.course__list li::before{
  content:''; position:absolute; left:0; top:.58em; width:6px; height:6px;
  border-radius:2px; background:#C3C9DE;
}
.course__meta{
  margin-top:auto; padding-top:16px; border-top:1px solid var(--line);
  font-size:.79rem; font-weight:600; color:var(--ink-soft);
}

/* ---------------------------------------------------------------- FEATURE */
.feature{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:30px 28px;
  transition:transform .3s var(--ease), box-shadow .3s var(--ease);
}
.feature:hover{ transform:translateY(-4px); box-shadow:var(--shadow-md); }
.feature__icon{
  width:46px; height:46px; border-radius:13px; display:grid; place-items:center;
  background:linear-gradient(140deg,var(--indigo),var(--indigo-600)); color:#fff;
  font-size:1.25rem; font-weight:800; margin-bottom:18px;
}
.feature h3{ margin:0 0 9px; font-size:1.06rem; letter-spacing:-.02em; font-weight:800; }
.feature p{ margin:0; color:var(--ink-soft); font-size:.94rem; }

.quote{
  margin:56px 0 0; padding:34px 38px; background:#fff;
  border-left:4px solid var(--amber); border-radius:0 var(--radius) var(--radius) 0;
  box-shadow:var(--shadow-sm); max-width:56em;
}
.quote p{ margin:0; font-size:1.1rem; line-height:1.62; font-weight:500; }
.quote cite{ display:block; margin-top:14px; font-style:normal; font-size:.87rem; color:var(--ink-soft); font-weight:700; }

/* ---------------------------------------------------------------- STEPS */
.steps{ display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:28px; counter-reset:step; }
.step{ position:relative; padding-top:12px; }
.step__n{
  width:52px; height:52px; border-radius:15px; display:grid; place-items:center;
  background:linear-gradient(140deg,var(--amber),var(--amber-600)); color:#fff;
  font-size:1.3rem; font-weight:800; margin-bottom:20px;
  box-shadow:0 6px 18px rgba(234,88,12,.28);
}
.step h3{ margin:0 0 9px; font-size:1.12rem; letter-spacing:-.02em; font-weight:800; }
.step p{ margin:0; color:var(--ink-soft); font-size:.95rem; }

/* ---------------------------------------------------------------- CTA */
.cta-panel{ display:grid; grid-template-columns:1.25fr .75fr; gap:48px; align-items:center; }
.cta-panel h2{ margin:18px 0 14px; font-size:clamp(1.8rem,3.4vw,2.5rem); letter-spacing:-.032em; line-height:1.15; font-weight:800; }
.cta-panel p{ margin:0 0 24px; color:rgba(255,255,255,.78); font-size:1.02rem; max-width:40em; }
.checks{ display:grid; gap:11px; margin-bottom:0; }
.checks li{ position:relative; padding-left:28px; font-size:.95rem; color:rgba(255,255,255,.9); }
.checks li::before{
  content:'✓'; position:absolute; left:0; top:-1px;
  width:18px; height:18px; border-radius:50%; background:var(--amber); color:#fff;
  font-size:.68rem; display:grid; place-items:center; font-weight:800;
}
.cta-panel__action{ text-align:center; }
.cta-panel__hint{ margin:16px 0 0; font-size:.82rem; color:rgba(255,255,255,.62); }

/* ---------------------------------------------------------------- FAQ */
.faq{ display:grid; gap:12px; }
.faq__item{ background:#fff; border:1px solid var(--line); border-radius:var(--radius-sm); overflow:hidden; transition:border-color .25s var(--ease); }
.faq__item[open]{ border-color:var(--indigo); }
.faq__item summary{
  cursor:pointer; padding:18px 52px 18px 22px; font-weight:700; font-size:.99rem;
  list-style:none; position:relative;
}
.faq__item summary::-webkit-details-marker{ display:none; }
.faq__item summary::after{
  content:'+'; position:absolute; right:20px; top:50%; transform:translateY(-50%);
  font-size:1.3rem; font-weight:500; color:var(--amber-600); transition:transform .25s var(--ease);
}
.faq__item[open] summary::after{ transform:translateY(-50%) rotate(45deg); }
.faq__item p{ margin:0; padding:0 22px 20px; color:var(--ink-soft); font-size:.94rem; }

/* ---------------------------------------------------------------- FOOTER */
.footer{ background:var(--ink); color:rgba(255,255,255,.72); padding:56px 0 28px; }
.footer__inner{ display:flex; flex-wrap:wrap; gap:28px; justify-content:space-between; align-items:flex-start; }
.footer__brand{ display:flex; gap:13px; align-items:flex-start; }
.footer__brand strong{ color:#fff; font-size:1.05rem; letter-spacing:-.02em; }
.footer__brand p{ margin:5px 0 0; font-size:.87rem; }
.footer__nav{ display:flex; gap:24px; font-size:.9rem; }
.footer__nav a{ transition:color .2s var(--ease); }
.footer__nav a:hover{ color:#fff; }
.footer__legal{
  margin-top:36px; padding-top:24px; border-top:1px solid rgba(255,255,255,.1);
  display:flex; flex-wrap:wrap; gap:14px 32px; justify-content:space-between;
  font-size:.8rem; color:rgba(255,255,255,.5);
}
.footer__legal p{ margin:0; max-width:60em; }

/* ---------------------------------------------------------------- WHATSAPP */
.wa-float{
  position:fixed; right:22px; bottom:22px; z-index:90;
  display:inline-flex; align-items:center; gap:10px;
  background:#25d366; color:#fff; text-decoration:none;
  padding:13px 20px 13px 16px; border-radius:999px;
  font-weight:700; font-size:.92rem; line-height:1.25;
  box-shadow:0 6px 22px rgba(37,211,102,.42);
  transition:transform .2s var(--ease), box-shadow .2s var(--ease);
}
.wa-float:hover{ transform:translateY(-3px); box-shadow:0 10px 30px rgba(37,211,102,.55); }
.wa-float svg{ width:24px; height:24px; fill:#fff; flex:none; }

@media (max-width:760px){
  .wa-float{
    right:16px; bottom:16px;
    width:56px; height:56px; padding:0;
    justify-content:center; border-radius:50%;
  }
  .wa-float__text{ display:none; }
  .wa-float svg{ width:28px; height:28px; }
}

@media (prefers-reduced-motion:reduce){
  .wa-float{ transition:none; }
  .wa-float:hover{ transform:none; }
}

/* ---------------------------------------------------------------- REVEAL */
.reveal{ opacity:0; transform:translateY(22px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-in{ opacity:1; transform:none; }

/* ---------------------------------------------------------------- RESPONSIVE */
@media (max-width:1020px){
  .hero__inner{ grid-template-columns:1fr; gap:52px; }
  .hero{ padding:120px 0 72px; }
  .hero__art{ min-height:0; }
  .card-stack{ min-height:392px; }
  .cta-panel{ grid-template-columns:1fr; gap:34px; text-align:left; }
  .cta-panel__action{ text-align:left; }
  .strip__grid{ grid-template-columns:1fr; gap:18px; }
}

@media (max-width:760px){
  .nav{
    position:fixed; inset:72px 0 auto 0; margin:0;
    flex-direction:column; align-items:stretch; gap:0;
    background:#fff; border-bottom:1px solid var(--line);
    padding:8px 24px 22px; box-shadow:var(--shadow-md);
    transform:translateY(-14px); opacity:0; pointer-events:none;
    transition:opacity .26s var(--ease), transform .26s var(--ease);
    max-height:calc(100vh - 72px); overflow-y:auto;
  }
  .nav.is-open{ opacity:1; transform:none; pointer-events:auto; }
  .nav a{ padding:14px 0; border-bottom:1px solid var(--line); font-size:1rem; }
  .nav a::after{ display:none; }
  .nav__cta{ margin-top:18px; border-bottom:0 !important; justify-content:center; }
  .nav-toggle{ display:flex; }

  .section{ padding:72px 0; }
  .hero{ padding:104px 0 56px; }
  .hero__facts{ gap:26px; }
  .hero__actions .btn{ width:100%; }
  .footer__inner{ flex-direction:column; }
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms !important; animation-iteration-count:1 !important;
    transition-duration:.01ms !important; scroll-behavior:auto !important;
  }
  .reveal{ opacity:1; transform:none; }
}

/* ---------------------------------------------------------------- PREGUNTAS CLAVE */
.qlist{ margin:0; padding:0; list-style:none;
  display:grid; gap:12px; grid-template-columns:repeat(auto-fit,minmax(330px,1fr)); }
.qlist li{
  position:relative; padding:15px 20px 15px 48px;
  background:#fff; border:1px solid var(--line); border-radius:var(--radius-sm);
  font-size:.95rem; line-height:1.55;
}
.qlist li::before{
  content:"?"; position:absolute; left:18px; top:14px;
  width:21px; height:21px; border-radius:50%;
  background:var(--indigo); color:#fff;
  font-size:.8rem; font-weight:800; line-height:21px; text-align:center;
}
.qlist strong{ display:block; color:var(--ink); font-size:1rem; }
.qlist span{ display:block; margin-top:4px; color:var(--ink-soft); font-size:.89rem; }
.qlist__nota{ margin:24px 0 0; font-size:.85rem; color:var(--ink-soft); max-width:60em; }

/* ---------------------------------------------------------------- FUENTES */
.sources{ margin:0; padding:0; list-style:none;
  display:grid; gap:12px; grid-template-columns:repeat(auto-fit,minmax(320px,1fr)); }
.sources li{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius-sm);
  padding:16px 20px; font-size:.92rem; line-height:1.55; color:var(--ink-soft);
}
.sources strong{ display:block; color:var(--ink); font-size:.98rem; margin-bottom:3px; }
.sources a{ color:var(--indigo); font-weight:700; }
.section--tint .sources a:hover{ text-decoration:underline; }

/* ---------------------------------------------------------------- FECHAS */
.fechas{ margin:0 0 14px; display:grid; gap:10px; }
.fechas li{ position:relative; padding-left:20px; font-size:.93rem; color:var(--ink-soft); line-height:1.55; }
.fechas li::before{
  content:""; position:absolute; left:2px; top:.62em;
  width:7px; height:7px; border-radius:50%; background:var(--amber);
}
.fechas strong{ color:var(--ink); }
.fechas__fuente{ margin:0; font-size:.84rem; color:var(--ink-soft); max-width:62em; }