@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;1,400&family=Jost:wght@300;400;500&family=Space+Grotesk:wght@400;500;600;700&family=IBM+Plex+Sans:wght@300;400;500&display=swap');

:root, [data-theme="light"]{
  --ink:#25353C; --ink-dim:#63767C; --teal:#3C7285; --teal-2:#5E9CAD; --teal-deep:#254C58;
  --gold:#C6A03B; --gold-soft:#D8BB6E; --bg:#F7F2E7; --bg-2:#EFE5D0;
  --line: rgba(60,114,133,0.20); --line-gold: rgba(198,160,59,0.35);
}
[data-theme="dark"]{
  --ink:#EAF2F3; --ink-dim:#8FAAB0; --teal:#6FB2C4; --teal-2:#5E9CAD; --teal-deep:#9FD6E3;
  --gold:#D8B45A; --gold-soft:#E8CB86; --bg:#0D1A1E; --bg-2:#142A2F;
  --line: rgba(143,170,176,0.22); --line-gold: rgba(216,180,90,0.35);
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{ background:var(--bg); color:var(--ink); font-family:'Jost', sans-serif; font-weight:300; line-height:1.7; transition:background-color .25s ease, color .25s ease; }
h1,h2,h3,.serif{ font-family:'Cormorant Garamond', serif; font-weight:600; color:var(--teal-deep); }
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
.wrap{ max-width:1100px; margin:0 auto; padding:0 32px; }
.wrap-narrow{ max-width:760px; margin:0 auto; padding:0 32px; }

/* DARK MODE: tipografia, fondo y masthead (estilo Holograma Vivo) */
[data-theme="dark"] body{ font-family:'IBM Plex Sans', sans-serif; }
[data-theme="dark"] h1, [data-theme="dark"] h2, [data-theme="dark"] h3, [data-theme="dark"] .serif{ font-family:'Space Grotesk', sans-serif; font-weight:600; letter-spacing:-0.01em; font-style:normal !important; }
[data-theme="dark"] .quote, [data-theme="dark"] .etapa-kicker, [data-theme="dark"] .prog-num, [data-theme="dark"] .cw, [data-theme="dark"] .eyebrow, [data-theme="dark"] .price-box h4, [data-theme="dark"] .contrast h4{ font-style:normal; font-family:'Space Grotesk', sans-serif; }
[data-theme="dark"] body{
  background-image:
    radial-gradient(circle at 12% 8%, rgba(111,178,196,0.14), transparent 42%),
    radial-gradient(circle at 88% 16%, rgba(216,180,90,0.11), transparent 44%);
  background-attachment: fixed;
}
[data-theme="dark"] .masthead{ display:none; }
[data-theme="dark"] .prog-item, [data-theme="dark"] .card, [data-theme="dark"] .price-box, [data-theme="dark"] .contrast > div, [data-theme="dark"] .blog-item{ background:var(--bg-2); }

/* HEADER / NAV */
header{ position:sticky; top:0; z-index:50; background:rgba(247,242,231,0.94); backdrop-filter:blur(10px); border-bottom:1px solid var(--line-gold); transition:background-color .25s ease;}
[data-theme="dark"] header{ background:rgba(13,26,30,0.86); }
nav{ display:flex; align-items:center; justify-content:space-between; padding:14px 32px; max-width:1180px; margin:0 auto; gap:16px;}
.nav-logo{ width:46px; height:46px; border-radius:50%; overflow:hidden; background-image:url('../assets/LOGO_INISCH_NUEVO_png_copia__1_.png'); background-size:230% auto; background-position:center 6%; background-repeat:no-repeat; border:1px solid var(--line-gold); flex-shrink:0; }
.navlinks{ display:flex; gap:26px; font-size:14px; color:var(--ink-dim); flex-wrap:wrap; }
.navlinks a:hover, .navlinks a.active{ color:var(--teal); }
.btn-campus{ background:var(--teal-deep); color:var(--bg); padding:10px 20px; border-radius:2px; font-size:13.5px; white-space:nowrap; }
.navtoggle{ display:none; background:none; border:none; font-size:24px; color:var(--teal-deep); }
.theme-toggle{
  display:inline-flex; align-items:center; gap:7px;
  height:38px; padding:0 14px; border-radius:19px;
  border:1px solid var(--teal); background:var(--bg-2);
  color:var(--teal-deep); font-family:inherit; font-size:13px; font-weight:500;
  letter-spacing:.02em; cursor:pointer; flex-shrink:0; white-space:nowrap;
  transition:background-color .2s ease, border-color .2s ease, color .2s ease;
}
.theme-toggle .tt-icon{ font-size:15px; line-height:1; }
.theme-toggle .tt-label{ line-height:1; }
.theme-toggle:focus-visible{ outline:2px solid var(--gold); outline-offset:2px; }
.theme-toggle:hover{ background:var(--bg-2); }

/* BUTTONS */
.btn-teal{ display:inline-block; background:var(--teal-deep); color:var(--bg); padding:14px 30px; font-size:14.5px; border-radius:2px; }
.btn-line{ display:inline-block; border:1px solid var(--line-gold); color:var(--teal-deep); padding:14px 30px; font-size:14.5px; border-radius:2px; }
.btn-teal:hover{ opacity:0.9; }

/* PAGE HERO (paginas internas) */
.page-hero{ padding:64px 32px 56px; border-bottom:1px solid var(--line); background:var(--bg-2); }
.breadcrumb{ font-size:13px; color:var(--ink-dim); margin-bottom:18px; }
.breadcrumb a:hover{ color:var(--teal); }
.page-hero h1{ font-size:clamp(32px,4.6vw,48px); line-height:1.15; max-width:760px; }
.page-hero p.lead{ color:var(--ink-dim); font-size:16.5px; max-width:600px; margin-top:16px; }

/* GENERIC SECTIONS */
section{ padding:80px 32px; }
section.alt{ background:var(--bg-2); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.section-head{ max-width:640px; margin:0 auto 48px; text-align:center; }
.section-head h2{ font-size:clamp(26px,3.2vw,36px); margin-bottom:14px; }
.section-head p{ color:var(--ink-dim); font-size:16px; }
.quote{ font-family:'Cormorant Garamond', serif; font-style:italic; font-size:21px; color:var(--teal); margin:24px 0; line-height:1.5; }

/* ETAPA BLOCKS (formacion.html) */
.etapa{ padding:64px 0; border-top:1px solid var(--line); }
.etapa:first-of-type{ border-top:none; }
.etapa-kicker{ font-family:'Cormorant Garamond', serif; font-style:italic; color:var(--gold); font-size:15px; margin-bottom:8px; }
.etapa h2{ font-size:clamp(26px,3.2vw,36px); margin-bottom:6px; }
.etapa .etapa-sub{ color:var(--teal); font-size:15px; margin-bottom:22px; }
.etapa p.desc{ color:var(--ink-dim); font-size:16px; max-width:720px; margin-bottom:26px; }
.etapa-grid{ display:grid; grid-template-columns:1.3fr 1fr; gap:44px; align-items:start; }
.etapa ul{ list-style:none; }
.etapa ul li{ padding:9px 0 9px 22px; position:relative; color:var(--ink-dim); font-size:15px; border-top:1px solid var(--line); }
.etapa ul li:first-child{ border-top:none; }
.etapa ul li::before{ content:'—'; position:absolute; left:0; color:var(--gold); }
.etapa ul li b{ color:var(--ink); font-weight:500; }
.price-box{ border:1px solid var(--line-gold); border-radius:4px; padding:28px; background:var(--bg); }
.price-box h4{ font-family:'Cormorant Garamond', serif; font-size:17px; color:var(--gold); margin-bottom:16px; font-style:italic; }
.price-row{ display:flex; justify-content:space-between; padding:10px 0; border-top:1px solid var(--line); font-size:14.5px; }
.price-row:first-of-type{ border-top:none; }
.price-row b{ color:var(--teal-deep); font-weight:600; }
.price-total{ margin-top:14px; padding-top:14px; border-top:1px solid var(--line-gold); display:flex; justify-content:space-between; align-items:baseline; }
.price-total .amount{ font-family:'Cormorant Garamond', serif; font-size:24px; color:var(--teal-deep); font-weight:600; }
[data-theme="dark"] .price-total .amount{ font-family:'Space Grotesk', sans-serif; }
.note{ font-size:12.5px; color:var(--ink-dim); font-style:italic; margin-top:14px; }
[data-theme="dark"] .note{ font-style:normal; }
.tag-founder{ display:inline-block; background:var(--gold); color:var(--bg); font-size:11.5px; padding:3px 10px; border-radius:2px; letter-spacing:0.02em; margin-bottom:10px; }

/* COMPARISON CONTRAST (etapa 2) */
.contrast{ display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--line); border:1px solid var(--line); margin:30px 0; }
.contrast > div{ background:var(--bg); padding:26px; }
.contrast h4{ font-family:'Cormorant Garamond', serif; font-size:18px; color:var(--teal-deep); margin-bottom:8px; }
.contrast p{ color:var(--ink-dim); font-size:14px; }

/* CARD GRID (experiencias, certificaciones) */
.card-grid{ display:grid; grid-template-columns:repeat(auto-fit, minmax(260px,1fr)); gap:1px; background:var(--line); border:1px solid var(--line); }
.card{ background:var(--bg); padding:32px; }
.card h3{ font-size:20px; margin-bottom:10px; }
.card p{ color:var(--ink-dim); font-size:14.5px; }
.card .cw{ font-family:'Cormorant Garamond', serif; font-style:italic; color:var(--gold); font-size:14px; margin-bottom:8px; }

/* CTA FINAL */
.cta-final{ margin:0 32px 0; padding:70px 60px; border:1px solid var(--line-gold); border-radius:4px; text-align:center; background:linear-gradient(180deg, var(--bg), var(--bg-2)); }
.cta-final h2{ font-size:clamp(24px,3vw,32px); max-width:560px; margin:0 auto 18px; }
.cta-final p{ color:var(--ink-dim); max-width:460px; margin:0 auto 28px; }

/* ARTICLE / BLOG PROSE */
.article-hero{ padding:70px 32px 40px; text-align:center; border-bottom:1px solid var(--line); }
.article-hero .eyebrow{ color:var(--gold); font-family:'Cormorant Garamond',serif; font-style:italic; font-size:15px; margin-bottom:14px;}
.article-hero h1{ font-size:clamp(30px,4.4vw,44px); max-width:700px; margin:0 auto; }
.article-hero .meta{ color:var(--ink-dim); font-size:13.5px; margin-top:18px; }
article.prose{ max-width:680px; margin:0 auto; padding:60px 32px 90px; font-size:17px; color:var(--ink); }
article.prose p{ margin-bottom:22px; color:var(--ink-dim); }
article.prose h2{ font-size:26px; margin:36px 0 16px; }
article.prose .quote{ margin:34px 0; padding-left:20px; border-left:2px solid var(--gold); }
.blog-list{ display:flex; flex-direction:column; max-width:760px; margin:0 auto; }
.blog-item{ display:block; padding:30px 0; border-top:1px solid var(--line); }
.blog-list .blog-item:first-child{ border-top:none; }
.blog-item .eyebrow{ color:var(--gold); font-family:'Cormorant Garamond',serif; font-style:italic; font-size:13.5px; margin-bottom:8px; }
.blog-item h3{ font-size:22px; margin-bottom:8px; }
.blog-item p{ color:var(--ink-dim); font-size:14.5px; }
.blog-item.soon{ opacity:0.55; }

/* FOOTER */
footer{ padding:56px 32px 40px; border-top:1px solid var(--line-gold); }
.foot-top{ display:flex; justify-content:space-between; align-items:flex-start; flex-wrap:wrap; gap:36px; margin-bottom:36px; max-width:1180px; margin-left:auto; margin-right:auto; }
.foot-logo img{ height:100px; }
.foot-grid{ display:flex; gap:50px; flex-wrap:wrap; }
.foot-col h4{ font-size:13px; color:var(--gold); margin-bottom:12px; font-weight:500; }
.foot-col a{ display:block; color:var(--ink-dim); font-size:14px; margin-bottom:8px; }
.foot-bottom{ font-size:12.5px; color:var(--ink-dim); text-align:center; padding-top:22px; border-top:1px solid var(--line); max-width:1180px; margin:0 auto; }

@media (max-width:860px){
  nav{ padding:12px 18px; gap:10px; }
  .theme-toggle .tt-label{ display:none; }
  .theme-toggle{ padding:0; width:40px; justify-content:center; }
  .navlinks{ display:none; } .navtoggle{ display:block; }
  .btn-campus{ display:none; }
  .etapa-grid{ grid-template-columns:1fr; }
  .contrast{ grid-template-columns:1fr; }
}


/* ACORDEON FAQ */
details.acc{ border-top:1px solid var(--line); padding:0; }
details.acc:last-of-type{ border-bottom:1px solid var(--line); }
details.acc summary{
  cursor:pointer; padding:20px 30px 20px 0; font-size:16.5px; color:var(--teal-deep);
  font-family:'Cormorant Garamond', serif; font-weight:600; list-style:none; position:relative;
}
[data-theme="dark"] details.acc summary{ font-family:'Space Grotesk', sans-serif; }
details.acc summary::-webkit-details-marker{ display:none; }
details.acc summary::after{
  content:'+'; position:absolute; right:4px; top:50%; transform:translateY(-50%);
  color:var(--gold); font-size:20px; font-family:'Jost',sans-serif; font-weight:300;
}
details.acc[open] summary::after{ content:'\2212'; }
details.acc summary:hover{ color:var(--teal); }
details.acc p{ padding:0 30px 22px 0; color:var(--ink-dim); font-size:15px; margin:0; }
details.acc summary:focus-visible{ outline:2px solid var(--teal); outline-offset:2px; }


/* ============ SELECTOR DE TEMA (mas visible) ============ */
.theme-toggle{
  background:var(--bg);
  border:1.5px solid var(--gold);
  color:var(--teal-deep);
  box-shadow:0 1px 3px rgba(0,0,0,.07);
}
.theme-toggle:hover{ border-color:var(--teal); background:var(--bg-2); }
.theme-toggle .tt-icon{ font-size:16px; color:var(--gold); }
[data-theme="dark"] .theme-toggle{
  background:rgba(255,255,255,.05); color:var(--ink); border-color:var(--gold);
}
[data-theme="dark"] .theme-toggle:hover{ background:rgba(255,255,255,.11); }

/* ============ MENU MOVIL ============ */
.navtoggle{ cursor:pointer; line-height:1; padding:4px 6px; }
.mm-backdrop{
  display:none; position:fixed; inset:0;
  background:rgba(0,0,0,.5); z-index:190;
}
.mm-backdrop.open{ display:block; }
.mobile-menu{
  display:none; position:fixed; top:0; right:0; bottom:0;
  width:min(82vw, 310px); background:var(--bg-2);
  border-left:1px solid var(--line-gold); z-index:200;
  padding:70px 26px 40px; overflow-y:auto;
}
.mobile-menu.open{ display:block; }
.mobile-menu a{
  display:block; padding:15px 0; border-bottom:1px solid var(--line);
  font-size:16px; color:var(--ink);
}
.mobile-menu a:hover{ color:var(--teal); }
.mobile-menu a.mm-campus{
  margin-top:24px; background:var(--teal-deep); color:var(--bg);
  text-align:center; padding:15px; border-radius:2px; border-bottom:none;
}
.mm-close{
  position:absolute; top:16px; right:20px; background:none; border:none;
  font-size:30px; color:var(--ink); cursor:pointer; line-height:1; padding:0;
}
.mm-close:hover{ color:var(--teal); }
body.mm-lock{ overflow:hidden; }