/* ============================================================
   EXERCITIA — Sistema de diseño
   Paleta derivada del logo: azul profundo + rojo + blanco.
   Dos climas: claro (institucional/salud) y oscuro (combate).
   Firma visual: la línea de pulso (EKG) del isologotipo.
   ============================================================ */

@font-face{font-family:'Saira Condensed';src:url('../fonts/saira-bold.woff2') format('woff2');font-weight:700;font-display:swap}
@font-face{font-family:'Saira Condensed';src:url('../fonts/saira-semibold.woff2') format('woff2');font-weight:600;font-display:swap}
@font-face{font-family:'Public Sans';src:url('../fonts/publicsans-regular.woff2') format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:'Public Sans';src:url('../fonts/publicsans-semibold.woff2') format('woff2');font-weight:600;font-display:swap}

:root{
  --navy:#0E2A5C; --navy-deep:#0A1B3D; --blue:#1E7FD0; --blue-soft:#E8F1FB;
  --red:#D7222A; --red-deep:#A8131A;
  --dark:#0C0F14; --dark-2:#141923; --line-dark:#232B3A;
  --bone:#F6F8FB; --white:#FFFFFF; --ink:#16202E; --ink-soft:#46556B; --line:#DDE4EE;
  --display:'Saira Condensed',Arial Narrow,sans-serif;
  --body:'Public Sans',system-ui,-apple-system,Segoe UI,sans-serif;
  --max:1140px; --r:10px;
  --shadow:0 10px 30px rgba(10,27,61,.10);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
body{margin:0;font-family:var(--body);font-size:1.0625rem;line-height:1.65;color:var(--ink);background:var(--bone)}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue)}
a:focus-visible,button:focus-visible{outline:3px solid var(--blue);outline-offset:2px;border-radius:4px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.sr{position:absolute;width:1px;height:1px;clip-path:inset(50%);overflow:hidden}

h1,h2,h3,.h-display{font-family:var(--display);font-weight:700;line-height:1.04;text-transform:uppercase;letter-spacing:.01em;color:var(--navy-deep);margin:0 0 .5em}
h1{font-size:clamp(2.5rem,7vw,4.6rem)}
h2{font-size:clamp(1.9rem,4.5vw,3rem)}
h3{font-size:clamp(1.25rem,2.6vw,1.6rem)}
p{margin:0 0 1em}
.lead{font-size:clamp(1.1rem,2.2vw,1.3rem);color:var(--ink-soft);max-width:46em}

.eyebrow{font-family:var(--display);font-weight:600;text-transform:uppercase;letter-spacing:.14em;font-size:.95rem;color:var(--red);display:flex;align-items:center;gap:.6rem;margin-bottom:.9rem}
.eyebrow::before{content:"";width:34px;height:2px;background:var(--red)}

/* ---------- Línea de pulso (firma) ---------- */
.pulse{display:block;width:100%;height:46px;color:var(--red)}
.pulse path{fill:none;stroke:currentColor;stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}
.hero .pulse path{stroke-dasharray:1200;stroke-dashoffset:1200;animation:draw 2.4s .3s ease forwards}
@keyframes draw{to{stroke-dashoffset:0}}

/* ---------- Header ---------- */
.top{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:72px}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none}
.brand img{height:48px;width:auto}
.brand b{font-family:var(--display);font-weight:700;font-size:1.45rem;letter-spacing:.06em;color:var(--navy-deep);text-transform:uppercase}
nav.main ul{display:flex;gap:.4rem;list-style:none;margin:0;padding:0}
nav.main a{display:block;padding:.65rem .85rem;text-decoration:none;color:var(--ink);font-weight:600;font-size:.98rem;border-radius:8px}
nav.main a:hover{background:var(--blue-soft);color:var(--navy)}
nav.main a[aria-current="page"]{color:var(--red)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:.55rem .7rem;font:inherit;font-weight:600;color:var(--navy);min-height:44px}
.top .cta-wa{margin-left:.4rem}

@media (max-width:920px){
  .nav-toggle{display:inline-flex;align-items:center;gap:.5rem}
  nav.main{display:none;position:absolute;left:0;right:0;top:100%;background:var(--white);border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  nav.main.open{display:block}
  nav.main ul{flex-direction:column;padding:.6rem 14px 1rem}
  nav.main a{padding:.85rem .9rem;font-size:1.05rem}
  .top .cta-wa{display:none}
}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;font-family:var(--display);font-weight:700;text-transform:uppercase;letter-spacing:.05em;font-size:1.05rem;text-decoration:none;border-radius:9px;padding:.8rem 1.4rem;min-height:48px;border:2px solid transparent;transition:transform .15s ease,box-shadow .15s ease}
.btn:hover{transform:translateY(-1px)}
.btn-wa{background:#1EBE5D;color:#fff}
.btn-wa:hover{box-shadow:0 8px 22px rgba(30,190,93,.35)}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{box-shadow:0 8px 22px rgba(215,34,42,.32)}
.btn-ghost{border-color:var(--navy);color:var(--navy);background:transparent}
.btn-ghost:hover{background:var(--navy);color:#fff}
.on-dark .btn-ghost{border-color:#fff;color:#fff}
.on-dark .btn-ghost:hover{background:#fff;color:var(--dark)}
.ico-wa{width:20px;height:20px;flex:none}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(180deg,var(--white) 0%,var(--bone) 100%);padding:4.2rem 0 0;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:2.5rem;align-items:center}
.hero .kicker{font-family:var(--display);font-weight:600;text-transform:uppercase;letter-spacing:.18em;color:var(--blue);font-size:1rem;margin-bottom:1rem}
.hero h1 .alt{color:var(--red)}
.hero-logo{justify-self:center;max-width:340px;filter:drop-shadow(0 18px 36px rgba(10,27,61,.18))}
.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem;margin:1.6rem 0 2.4rem}
.hero-meta{display:flex;flex-wrap:wrap;gap:1.4rem 2.2rem;padding:1.1rem 0 1.4rem;border-top:1px solid var(--line);color:var(--ink-soft);font-size:.95rem}
.hero-meta b{display:block;font-family:var(--display);font-size:1.5rem;color:var(--navy-deep);letter-spacing:.02em}
@media (max-width:860px){.hero-grid{grid-template-columns:1fr}.hero-logo{max-width:230px;order:-1}}

/* ---------- Secciones ---------- */
section{padding:4.2rem 0}
.sec-head{margin-bottom:2.2rem;max-width:52em}
.alt-bg{background:var(--white)}

/* tarjetas de área (home) */
.areas{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.area-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:1.6rem 1.5rem;text-decoration:none;color:inherit;display:flex;flex-direction:column;gap:.5rem;box-shadow:0 2px 0 rgba(10,27,61,.03);transition:box-shadow .18s ease,transform .18s ease;border-top:4px solid var(--blue)}
.area-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.area-card.is-red{border-top-color:var(--red)}
.area-card.is-navy{border-top-color:var(--navy)}
.area-card h3{margin:0}
.area-card p{color:var(--ink-soft);font-size:.98rem;margin:0}
.area-card .go{margin-top:auto;font-family:var(--display);font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--red);padding-top:.8rem}
@media (max-width:860px){.areas{grid-template-columns:1fr}}

/* grilla de cursos */
.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
@media (max-width:980px){.course-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.course-grid{grid-template-columns:1fr}}
.course{background:var(--white);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .18s ease,transform .18s ease}
.course:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.course-top{padding:1.2rem 1.3rem .9rem;border-bottom:3px solid var(--blue);background:linear-gradient(135deg,var(--navy-deep),var(--navy))}
.course-top .tag{font-family:var(--display);font-weight:600;font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;color:#9FC4EC}
.course-top h3{color:#fff;margin:.25rem 0 0;font-size:1.3rem}
.course.is-defensa .course-top{background:linear-gradient(135deg,#16080A,#3A0D11);border-bottom-color:var(--red)}
.course.is-defensa .course-top .tag{color:#F3A6AA}
.course-body{padding:1rem 1.3rem 1.3rem;display:flex;flex-direction:column;gap:.7rem;flex:1}
.course-body p{color:var(--ink-soft);font-size:.96rem;margin:0;flex:1}
.badges{display:flex;flex-wrap:wrap;gap:.4rem}
.badge{font-size:.78rem;font-weight:600;color:var(--navy);background:var(--blue-soft);border-radius:99px;padding:.22rem .65rem}
.course .row{display:flex;gap:.6rem;align-items:center;justify-content:space-between;margin-top:.3rem}
.course .more{font-family:var(--display);font-weight:700;text-transform:uppercase;letter-spacing:.05em;text-decoration:none;color:var(--navy)}
.course .more:hover{color:var(--red)}
.btn-sm{padding:.5rem .9rem;min-height:42px;font-size:.95rem}

/* filtros */
.filters{display:flex;flex-wrap:wrap;gap:.5rem;margin:0 0 1.8rem}
.filters button{font:inherit;font-weight:600;border:1px solid var(--line);background:var(--white);color:var(--ink-soft);border-radius:99px;padding:.5rem 1rem;min-height:44px;cursor:pointer}
.filters button[aria-pressed="true"]{background:var(--navy);border-color:var(--navy);color:#fff}

/* ---------- Clima oscuro (combate / Nexum) ---------- */
.on-dark{background:radial-gradient(1200px 500px at 70% -10%,#1A2333 0%,var(--dark) 55%);color:#C9D2E0}
.on-dark h2,.on-dark h3{color:#fff}
.on-dark .eyebrow{color:var(--red)}
.on-dark .lead,.on-dark p{color:#A7B2C4}
.brands{display:grid;grid-template-columns:repeat(2,1fr);gap:1.2rem;margin-top:2rem}
@media (max-width:760px){.brands{grid-template-columns:1fr}}
.brand-card{background:var(--dark-2);border:1px solid var(--line-dark);border-radius:var(--r);padding:1.6rem;display:flex;flex-direction:column;gap:.6rem}
.brand-card h3{display:flex;align-items:center;gap:.7rem;margin:0}
.brand-card .seal{font-size:.8rem;font-weight:600;color:#F3A6AA;background:rgba(215,34,42,.12);border:1px solid rgba(215,34,42,.4);border-radius:99px;padding:.2rem .7rem;align-self:flex-start}
.brand-card img{height:84px;width:auto;object-fit:contain;aspect-ratio:auto}

/* ---------- Avales ---------- */
.avales{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
@media (max-width:900px){.avales{grid-template-columns:repeat(2,1fr)}}
.aval{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:1.2rem;text-align:center}
.aval b{display:block;font-family:var(--display);text-transform:uppercase;letter-spacing:.04em;color:var(--navy-deep);font-size:1.05rem;line-height:1.2}
.aval span{font-size:.86rem;color:var(--ink-soft)}

/* ---------- Ficha de curso ---------- */
.ficha-hero{background:linear-gradient(135deg,var(--navy-deep),var(--navy));color:#fff;padding:3.6rem 0 2.6rem}
.ficha-hero.is-defensa{background:linear-gradient(135deg,#0D0608,#3A0D11)}
.ficha-hero .eyebrow{color:#9FC4EC}
.ficha-hero.is-defensa .eyebrow{color:#F3A6AA}
.ficha-hero h1{color:#fff;font-size:clamp(2.1rem,5.5vw,3.4rem)}
.ficha-hero .lead{color:#C9D7EA}
.ficha-grid{display:grid;grid-template-columns:1.6fr .9fr;gap:2.4rem;align-items:start}
@media (max-width:860px){.ficha-grid{grid-template-columns:1fr}}
.ficha-box{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:1.5rem;position:sticky;top:92px}
.ficha-box dl{margin:0 0 1.2rem;display:grid;gap:.7rem}
.ficha-box dt{font-family:var(--display);font-weight:600;text-transform:uppercase;letter-spacing:.08em;font-size:.82rem;color:var(--ink-soft)}
.ficha-box dd{margin:0;font-weight:600;color:var(--navy-deep)}
.ficha-box .btn{width:100%}
.check{list-style:none;margin:0 0 1.4rem;padding:0;display:grid;gap:.55rem}
.check li{padding-left:1.7rem;position:relative}
.check li::before{content:"";position:absolute;left:0;top:.42em;width:.9em;height:.45em;border-left:3px solid var(--red);border-bottom:3px solid var(--red);transform:rotate(-45deg)}
.note{font-size:.92rem;color:var(--ink-soft);background:var(--blue-soft);border-left:4px solid var(--blue);border-radius:6px;padding:.8rem 1rem}

/* ---------- Bio / quiénes somos ---------- */
.bio{display:grid;grid-template-columns:.9fr 1.5fr;gap:2.4rem;align-items:start}
@media (max-width:860px){.bio{grid-template-columns:1fr}}
.cred-groups{display:grid;gap:1rem;margin-top:1.4rem}
details.cred{background:var(--white);border:1px solid var(--line);border-radius:var(--r)}
details.cred summary{cursor:pointer;padding:1rem 1.2rem;font-family:var(--display);font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--navy-deep);list-style:none;display:flex;justify-content:space-between;gap:1rem;min-height:48px;align-items:center}
details.cred summary::after{content:"+";color:var(--red);font-size:1.4rem}
details.cred[open] summary::after{content:"–"}
details.cred ul{margin:0;padding:0 1.4rem 1.2rem 2.4rem;color:var(--ink-soft)}
details.cred li{margin:.3rem 0}

/* ---------- CTA final ---------- */
.cta-final{background:linear-gradient(135deg,var(--navy-deep) 0%,var(--navy) 70%);color:#fff;text-align:center}
.cta-final h2{color:#fff}
.cta-final p{color:#C9D7EA;max-width:42em;margin:0 auto 1.6rem}

/* ---------- Footer ---------- */
footer{background:var(--dark);color:#A7B2C4;padding:3rem 0 5.5rem;font-size:.95rem}
.foot{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:2rem}
@media (max-width:760px){.foot{grid-template-columns:1fr}}
footer h4{font-family:var(--display);text-transform:uppercase;letter-spacing:.08em;color:#fff;margin:0 0 .8rem;font-size:1.05rem}
footer a{color:#D7DEE9;text-decoration:none}
footer a:hover{color:#fff;text-decoration:underline}
footer ul{list-style:none;margin:0;padding:0;display:grid;gap:.45rem}
.foot-brand{display:flex;flex-direction:column;gap:.2rem}
.foot-brand .mark{display:flex;align-items:center;gap:.8rem}
.foot-brand .mark img{height:56px;width:auto}
.foot-brand .mark b{font-family:var(--display);font-weight:700;font-size:1.6rem;letter-spacing:.08em;color:#fff;text-transform:uppercase}
.legal{border-top:1px solid var(--line-dark);margin-top:2.2rem;padding-top:1.4rem;font-size:.85rem;color:#7C8AA0;display:flex;flex-wrap:wrap;gap:.4rem 1.6rem;justify-content:space-between}

/* ---------- WhatsApp flotante ---------- */
.wa-float{position:fixed;right:18px;bottom:18px;z-index:60;width:60px;height:60px;border-radius:50%;background:#1EBE5D;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 26px rgba(0,0,0,.28);transition:transform .15s ease}
.wa-float:hover{transform:scale(1.07)}
.wa-float svg{width:32px;height:32px;fill:#fff}

/* reveal sutil */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

/* ---------- Banner Programa RISE ---------- */
.rise{margin-top:1.6rem;background:linear-gradient(120deg,var(--navy-deep) 0%,var(--navy) 58%,#163B7E 100%);border-radius:var(--r);padding:2.2rem 2rem;color:#fff;display:grid;grid-template-columns:1.6fr auto;gap:1.6rem;align-items:center;border-left:6px solid var(--red)}
@media (max-width:760px){.rise{grid-template-columns:1fr}}
.rise .eyebrow{color:#9FC4EC;margin-bottom:.5rem}
.rise h3{color:#fff;font-size:clamp(1.5rem,3.2vw,2.1rem);margin:0 0 .4rem}
.rise p{color:#C9D7EA;margin:0;max-width:46em}
.rise .acts{display:flex;flex-direction:column;gap:.7rem}

/* ---------- v2: estructura académica ---------- */
.badge.lvl{background:#FDEAEA;color:var(--red-deep)}
.badge.hrs{background:#EAF7EF;color:#19744A}
.sec-tier{border-top:1px solid var(--line);margin-top:3rem;padding-top:2.6rem}
.cert-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.2rem}
@media (max-width:760px){.cert-grid{grid-template-columns:1fr}}
.taller-list{list-style:none;margin:0;padding:0;display:grid;gap:.55rem}
.taller-list li{background:var(--white);border:1px solid var(--line);border-radius:9px;padding:.8rem 1.1rem;display:flex;flex-wrap:wrap;gap:.5rem 1rem;align-items:center;justify-content:space-between}
.taller-list .t-name{font-weight:600;color:var(--navy-deep)}
.taller-list .t-meta{font-size:.82rem;color:var(--ink-soft)}
.taller-list a{font-family:var(--display);font-weight:700;text-transform:uppercase;font-size:.9rem;letter-spacing:.05em;text-decoration:none;color:#149A4B;white-space:nowrap}
.sede{background:var(--dark-2);border:1px solid var(--line-dark);border-radius:var(--r);padding:1.8rem;display:grid;gap:1rem}
.sede h3{font-size:1.7rem;margin:0}
.sede .dir{color:#9FC4EC;font-weight:600}
.sede .disc{border-left:3px solid var(--red);padding-left:1rem;margin:.2rem 0}
.sede .disc b{color:#fff;display:block;font-family:var(--display);text-transform:uppercase;letter-spacing:.04em;font-size:1.05rem}
.sede .disc span{font-size:.95rem}
.horarios{display:flex;flex-wrap:wrap;gap:.45rem}
.horarios span{font-size:.85rem;font-weight:600;background:rgba(30,127,208,.14);border:1px solid rgba(30,127,208,.45);color:#BCD8F2;border-radius:99px;padding:.25rem .75rem}
.req{font-size:.9rem;background:#FDF3E7;border-left:4px solid #E08A1E;border-radius:6px;padding:.7rem 1rem;color:#7A4D10}

/* ---------- Miniaturas de curso ---------- */
.course-thumb{overflow:hidden;height:175px;background:var(--navy-deep);flex-shrink:0}
.course-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.course:hover .course-thumb img{transform:scale(1.05)}

/* ---------- Foto en ficha de curso ---------- */
.ficha-foto-wrap{overflow:hidden;border-radius:var(--r);margin-bottom:1.6rem;max-height:340px}
.ficha-foto-wrap img{width:100%;height:100%;object-fit:cover;display:block}

/* ---------- Foto de perfil (quiénes somos) ---------- */
.foto-perfil{width:100%;border-radius:var(--r);object-fit:cover;aspect-ratio:4/3;display:block}

/* ---------- Galería de fotos (tira horizontal) ---------- */
.foto-strip-section{padding:0;overflow:hidden;line-height:0}
.foto-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:4px}
.foto-strip img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block}
@media (max-width:760px){.foto-strip{grid-template-columns:1fr;gap:4px}.foto-strip img{aspect-ratio:16/9}}