/* =========================================================
   BLUEPRINT ACADEMY  ·  by Building Lives
   Sistema de diseño — colores corporativos
   Principal  #073e2c · Secundario #00d872
   Terciario  #c8cac2 · Blanco #ffffff
   ========================================================= */

:root{
  /* Marca */
  --brand:        #073e2c;
  --brand-800:    #0a4f38;
  --brand-700:    #0c6146;
  --brand-950:    #04241a;
  --brand-1000:   #021611;
  --accent:       #00d872;
  --accent-600:   #00b862;
  --accent-300:   #6bf3ae;
  --stone:        #c8cac2;
  --white:        #ffffff;

  /* Superficies claras (app) */
  --bg:           #f4f6f4;
  --surface:      #ffffff;
  --surface-2:    #fafbfa;
  --line:         #e4e7e3;
  --line-strong:  #d2d6d0;

  /* Texto */
  --text:         #0d1b16;
  --text-2:       #4a5a53;
  --text-3:       #5d6d65;
  --on-dark:      #ffffff;
  --on-dark-2:    #c8cac2;

  /* Estado */
  --warn:         #f0a500;
  --danger:       #e0503f;

  /* Formas */
  --r-sm: 8px;
  --r:    14px;
  --r-lg: 20px;
  --r-xl: 28px;
  --r-full: 999px;

  /* Sombras */
  --sh-1: 0 1px 2px rgba(7,62,44,.06), 0 1px 3px rgba(7,62,44,.05);
  --sh-2: 0 4px 14px rgba(7,62,44,.08);
  --sh-3: 0 18px 40px -12px rgba(7,62,44,.22);
  --sh-glow: 0 10px 40px -10px rgba(0,216,114,.55);

  --nav-h: 74px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%; scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Manrope',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.14;letter-spacing:-.022em;font-weight:800}
h1{font-size:clamp(2.3rem,5.2vw,3.9rem)}
h2{font-size:clamp(1.8rem,3.6vw,2.6rem)}
h3{font-size:1.22rem}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:6px}
::selection{background:var(--accent);color:var(--brand-950)}

/* ---------- Utilidades ---------- */
.wrap{width:min(1200px,92vw);margin-inline:auto}
.wrap-sm{width:min(900px,92vw);margin-inline:auto}
.stack-sm>*+*{margin-top:.5rem}
.center{text-align:center}
.muted{color:var(--text-2)}
.mono-label{
  font-size:.72rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent-600);
}
.on-dark .mono-label{color:var(--accent)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- Botones ---------- */
.btn{
  --btn-bg:var(--accent); --btn-fg:var(--brand-950);
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  padding:.85rem 1.5rem;border-radius:var(--r-full);border:1px solid transparent;
  background:var(--btn-bg);color:var(--btn-fg);
  font-weight:800;font-size:.95rem;letter-spacing:-.01em;
  cursor:pointer;white-space:nowrap;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn--primary{box-shadow:var(--sh-glow)}
.btn--primary:hover{background:var(--accent-300)}
.btn--dark{--btn-bg:var(--brand);--btn-fg:#fff}
.btn--dark:hover{--btn-bg:var(--brand-700)}
.btn--ghost{--btn-bg:transparent;--btn-fg:var(--text);border-color:var(--line-strong)}
.btn--ghost:hover{border-color:var(--brand);background:#fff}
.on-dark .btn--ghost{--btn-fg:#fff;border-color:rgba(255,255,255,.28)}
.on-dark .btn--ghost:hover{background:rgba(255,255,255,.08);border-color:var(--accent)}
.btn--sm{padding:.55rem 1rem;font-size:.85rem}
.btn--lg{padding:1.05rem 2rem;font-size:1.02rem}
.btn--block{width:100%}
.btn[disabled]{opacity:.45;pointer-events:none}
.btn svg{width:18px;height:18px;flex:none}

/* ---------- Chips / badges ---------- */
.chip{
  display:inline-flex;align-items:center;gap:.4rem;
  padding:.32rem .72rem;border-radius:var(--r-full);
  font-size:.75rem;font-weight:800;letter-spacing:.01em;
  background:rgba(0,216,114,.13);color:var(--brand-700);
}
.chip--stone{background:#eef0ed;color:var(--text-2)}
.chip--solid{background:var(--accent);color:var(--brand-950)}
.chip--outline{background:transparent;border:1px solid var(--line-strong);color:var(--text-2)}
.on-dark .chip{background:rgba(0,216,114,.16);color:var(--accent-300)}
.on-dark .chip--stone{background:rgba(255,255,255,.1);color:var(--stone)}
.dot{width:7px;height:7px;border-radius:50%;background:currentColor;flex:none}
.chip svg{width:14px;height:14px;flex:none}

/* =========================================================
   NAVBAR (landing)
   ========================================================= */
.nav{
  position:sticky;top:0;z-index:60;height:var(--nav-h);
  display:flex;align-items:center;
  background:rgba(4,36,26,.72);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav__inner{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;width:min(1200px,92vw);margin-inline:auto}
.nav__links{display:flex;align-items:center;gap:2rem}
.nav__links a{color:var(--stone);font-weight:600;font-size:.94rem;transition:color .2s}
.nav__links a:hover{color:var(--white)}
.nav__cta{display:flex;align-items:center;gap:.75rem}

/* Logo */
.logo{display:inline-flex;align-items:center;gap:.7rem;font-weight:800;letter-spacing:-.03em}
.logo__mark{
  width:38px;height:38px;border-radius:11px;flex:none;
  display:grid;place-items:center;
  background:linear-gradient(145deg,var(--accent),var(--accent-600));
  box-shadow:0 6px 18px -6px rgba(0,216,114,.7);
}
.logo__mark svg{width:21px;height:21px}
.logo__text{display:flex;flex-direction:column;line-height:1.05}
.logo__text b{font-size:1.06rem}
.logo__text span{font-size:.62rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;opacity:.62}
.logo--light{color:var(--white)}
.logo--dark{color:var(--brand)}

/* =========================================================
   HERO
   ========================================================= */
.hero{
  position:relative;overflow:hidden;color:var(--white);
  background:
    radial-gradient(900px 520px at 78% 8%, rgba(0,216,114,.22), transparent 62%),
    radial-gradient(700px 500px at 8% 92%, rgba(0,216,114,.10), transparent 60%),
    linear-gradient(165deg,var(--brand-950) 0%, var(--brand) 55%, var(--brand-1000) 100%);
  padding:clamp(3.5rem,7vw,6rem) 0 clamp(4rem,8vw,7rem);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 32%,#000,transparent 76%);
  -webkit-mask-image:radial-gradient(circle at 50% 32%,#000,transparent 76%);
}
.hero__grid{position:relative;z-index:2;display:grid;grid-template-columns:1.06fr .94fr;gap:clamp(2rem,4vw,4rem);align-items:center}
.hero h1{margin:1.1rem 0 1.2rem}
.hero h1 em{font-style:normal;color:var(--accent);position:relative}
.hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:.06em;height:.16em;
  background:rgba(0,216,114,.25);border-radius:4px;
}
.hero__lead{font-size:clamp(1.02rem,1.6vw,1.16rem);color:var(--on-dark-2);max-width:54ch}
.hero__actions{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:2rem}
.hero__trust{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(124px,1fr));gap:1.4rem 1.2rem;
  margin-top:2.8rem;padding-top:1.8rem;border-top:1px solid rgba(255,255,255,.12);
}
.hero__trust b{display:block;font-size:1.85rem;letter-spacing:-.03em;color:var(--white)}
.hero__trust span{font-size:.78rem;line-height:1.35;color:var(--stone);font-weight:600;display:block}

/* Mockup flotante */
.mock{
  position:relative;border-radius:var(--r-xl);
  background:linear-gradient(180deg,rgba(255,255,255,.1),rgba(255,255,255,.03));
  border:1px solid rgba(255,255,255,.14);
  padding:1.05rem;box-shadow:0 40px 80px -30px rgba(0,0,0,.65);
  backdrop-filter:blur(8px);
  transform:perspective(1400px) rotateY(-7deg) rotateX(3deg);
  animation:floaty 7s ease-in-out infinite;
}
@keyframes floaty{0%,100%{transform:perspective(1400px) rotateY(-7deg) rotateX(3deg) translateY(0)}50%{transform:perspective(1400px) rotateY(-7deg) rotateX(3deg) translateY(-14px)}}
.mock__bar{display:flex;gap:.4rem;padding:0 .2rem .8rem}
.mock__bar i{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.22)}
.mock__bar i:first-child{background:rgba(0,216,114,.75)}
.mock__body{background:var(--white);border-radius:var(--r-lg);padding:1.1rem;color:var(--text)}
.mock__hd{display:flex;align-items:center;justify-content:space-between;margin-bottom:.9rem}
.mock__hd strong{font-size:.95rem}
.mock__row{display:flex;align-items:center;gap:.75rem;padding:.62rem;border-radius:12px;background:var(--surface-2);border:1px solid var(--line);margin-bottom:.5rem}
.mock__row:last-child{margin-bottom:0}
.mock__ico{width:34px;height:34px;border-radius:9px;flex:none;display:grid;place-items:center;background:var(--brand);color:var(--accent);font-weight:800;font-size:.8rem}
.mock__row div{flex:1;min-width:0}
.mock__row b{display:block;font-size:.82rem;letter-spacing:-.01em}
.mock__row small{font-size:.7rem;color:var(--text-3)}
.mock__pill{font-size:.66rem;font-weight:800;padding:.2rem .55rem;border-radius:var(--r-full);background:rgba(0,216,114,.16);color:var(--brand-700)}
@keyframes floatyNone{}
@media (prefers-reduced-motion:reduce){.mock{animation:none}}

/* Barra logos */
.marquee{background:var(--brand-1000);color:var(--stone);padding:1.1rem 0;border-block:1px solid rgba(255,255,255,.07)}
.marquee__inner{display:flex;align-items:center;justify-content:space-between;gap:2rem;flex-wrap:wrap;font-weight:700;font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;opacity:.75}

/* =========================================================
   SECCIONES LANDING
   ========================================================= */
.section{padding:clamp(3.8rem,7vw,6.5rem) 0}
.section--tint{background:var(--surface)}
.section--dark{
  background:linear-gradient(160deg,var(--brand) 0%,var(--brand-950) 100%);
  color:var(--white);
}
.section__head{max-width:64ch;margin-bottom:2.8rem}
.section__head.center{margin-inline:auto;text-align:center}
.section__head h2{margin:.7rem 0 .9rem}
.section__head p{color:var(--text-2);font-size:1.04rem}
.section--dark .section__head p{color:var(--on-dark-2)}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:1.4rem}

.feature{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:1.9rem 1.6rem;transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s;
}
.section--tint .feature{background:var(--surface-2)}
.feature:hover{transform:translateY(-5px);box-shadow:var(--sh-3);border-color:rgba(0,216,114,.5)}
.feature__ico{
  width:52px;height:52px;border-radius:15px;display:grid;place-items:center;margin-bottom:1.15rem;
  background:linear-gradient(150deg,var(--brand),var(--brand-700));color:var(--accent);
}
.feature__ico svg{width:25px;height:25px}
.feature h3{margin-bottom:.5rem}
.feature p{color:var(--text-2);font-size:.94rem}

/* Programas (landing) */
.progcard{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  padding:1.7rem;transition:transform .25s var(--ease),border-color .25s,background .25s;
}
.progcard:hover{transform:translateY(-6px);border-color:var(--accent);background:rgba(255,255,255,.08)}
.progcard__num{
  font-size:.72rem;font-weight:800;letter-spacing:.14em;color:var(--accent);
}
.progcard h3{margin:.85rem 0 .55rem;color:#fff}
.progcard p{color:var(--on-dark-2);font-size:.92rem;margin-bottom:1.1rem}
.progcard__meta{display:flex;gap:1rem;font-size:.78rem;color:var(--stone);font-weight:700}
.progcard__meta span{display:inline-flex;align-items:center;gap:.35rem}

/* Pasos */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem;counter-reset:s}
.step{position:relative;padding-top:2.6rem}
.step::before{
  counter-increment:s;content:counter(s,decimal-leading-zero);
  position:absolute;top:0;left:0;font-size:2.6rem;font-weight:800;letter-spacing:-.05em;
  color:transparent;-webkit-text-stroke:1.6px var(--accent);opacity:.85;
}
.step h3{margin-bottom:.45rem}
.step p{color:var(--text-2);font-size:.94rem}

/* Testimonio */
.quote{
  background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--accent);
  border-radius:var(--r);padding:1.7rem;box-shadow:var(--sh-1);
}
.quote p{font-size:1rem;color:var(--text);margin-bottom:1.1rem;font-weight:500}
.quote__who{display:flex;align-items:center;gap:.75rem}
.avatar{
  width:42px;height:42px;border-radius:50%;flex:none;display:grid;place-items:center;
  background:var(--brand);color:var(--accent);font-weight:800;font-size:.85rem;letter-spacing:.02em;
}
.quote__who b{display:block;font-size:.9rem}
.quote__who small{color:var(--text-3);font-size:.78rem}

/* CTA final */
.cta{
  border-radius:var(--r-xl);padding:clamp(2.4rem,5vw,3.6rem);text-align:center;color:#fff;position:relative;overflow:hidden;
  background:radial-gradient(700px 300px at 50% 0%,rgba(0,216,114,.28),transparent 65%),linear-gradient(150deg,var(--brand),var(--brand-1000));
  box-shadow:var(--sh-3);
}
.cta h2{margin-bottom:.8rem}
.cta p{color:var(--on-dark-2);max-width:56ch;margin:0 auto 1.9rem}

/* Footer */
.footer{background:var(--brand-1000);color:var(--stone);padding:3.4rem 0 2rem}
.footer__grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:2rem;padding-bottom:2.2rem;border-bottom:1px solid rgba(255,255,255,.1)}
.footer h4{color:#fff;font-size:.82rem;letter-spacing:.13em;text-transform:uppercase;margin-bottom:1rem}
.footer a{font-size:.9rem;display:block;padding:.28rem 0;transition:color .2s}
.footer a:hover{color:var(--accent)}
.footer__bottom{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding-top:1.4rem;font-size:.82rem;opacity:.75}
.footer p{font-size:.9rem;max-width:38ch;margin-top:1rem}

/* =========================================================
   AUTH (login / registro)
   ========================================================= */
.auth{min-height:100vh;display:grid;grid-template-columns:1.05fr 1fr}
.auth__aside{
  position:relative;overflow:hidden;color:#fff;padding:3rem clamp(2rem,4vw,4rem);
  display:flex;flex-direction:column;justify-content:space-between;
  background:radial-gradient(700px 460px at 20% 12%,rgba(0,216,114,.24),transparent 62%),linear-gradient(160deg,var(--brand-950),var(--brand) 60%,var(--brand-1000));
}
.auth__aside::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:56px 56px;mask-image:radial-gradient(circle at 30% 40%,#000,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 30% 40%,#000,transparent 78%);
}
.auth__aside>*{position:relative;z-index:2}
.auth__claim{font-size:clamp(1.8rem,2.9vw,2.5rem);font-weight:800;letter-spacing:-.03em;line-height:1.14;margin:2.4rem 0 1rem}
.auth__claim span{color:var(--accent)}
.auth__list{margin-top:1.8rem}
.auth__list li{display:flex;gap:.75rem;align-items:flex-start;padding:.5rem 0;color:var(--on-dark-2);font-size:.94rem}
.auth__list svg{width:20px;height:20px;flex:none;color:var(--accent);margin-top:.15rem}
.auth__main{display:flex;align-items:center;justify-content:center;padding:2.5rem 1.5rem;background:var(--surface)}
.auth__card{width:min(430px,100%)}
.auth__card h1{font-size:1.95rem;margin-bottom:.5rem}
.auth__card>p{color:var(--text-2);margin-bottom:1.9rem}

.tabs{display:flex;gap:.3rem;padding:.3rem;background:var(--bg);border-radius:var(--r-full);margin-bottom:1.7rem}
.tabs button{
  flex:1;padding:.6rem 1rem;border:0;border-radius:var(--r-full);background:transparent;
  font-weight:800;font-size:.88rem;color:var(--text-2);cursor:pointer;transition:.2s var(--ease);
}
.tabs button.is-active{background:var(--brand);color:#fff;box-shadow:var(--sh-2)}

.field{margin-bottom:1.05rem}
.field label{display:block;font-size:.82rem;font-weight:800;margin-bottom:.4rem;color:var(--text)}
.field input,.field select,.field textarea{
  width:100%;padding:.85rem 1rem;border:1.5px solid var(--line-strong);border-radius:var(--r);
  background:var(--surface);transition:border-color .18s,box-shadow .18s;
}
.field textarea{min-height:96px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:0;border-color:var(--accent);box-shadow:0 0 0 4px rgba(0,216,114,.16);
}
.field__hint{font-size:.79rem;color:var(--text-2);margin-top:.35rem}
.field--row{display:flex;align-items:center;justify-content:space-between;gap:1rem;font-size:.86rem}
.check{display:flex;align-items:center;gap:.5rem;cursor:pointer;font-weight:600}
.check input{width:17px;height:17px;accent-color:var(--accent-600)}
.link{color:var(--brand-700);font-weight:800}
.link:hover{color:var(--accent-600);text-decoration:underline}

.alert{
  display:none;gap:.6rem;align-items:flex-start;padding:.8rem 1rem;border-radius:var(--r);
  font-size:.88rem;font-weight:600;margin-bottom:1.1rem;
}
.alert.is-visible{display:flex}
.alert--error{background:#fdecea;color:#8f2c1f;border:1px solid #f5c6c0}
.alert--ok{background:rgba(0,216,114,.12);color:var(--brand-700);border:1px solid rgba(0,216,114,.35)}

.demo-box{
  margin-top:1.6rem;padding:1rem 1.1rem;border:1px dashed var(--line-strong);
  border-radius:var(--r);background:var(--surface-2);font-size:.83rem;color:var(--text-2);
}
.demo-box b{color:var(--text);display:block;margin-bottom:.45rem;font-size:.8rem;letter-spacing:.05em;text-transform:uppercase}
.demo-box button{
  display:block;width:100%;text-align:left;margin-top:.4rem;padding:.5rem .7rem;border-radius:9px;
  border:1px solid var(--line);background:#fff;cursor:pointer;font-size:.82rem;transition:.18s;
}
.demo-box button:hover{border-color:var(--accent);background:rgba(0,216,114,.06)}
.demo-box code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--brand-700);font-weight:700}

/* =========================================================
   APP SHELL (dashboard)
   ========================================================= */
.shell{display:grid;grid-template-columns:266px 1fr;min-height:100vh}
.side{
  position:sticky;top:0;height:100vh;display:flex;flex-direction:column;
  background:linear-gradient(180deg,var(--brand-950),var(--brand-1000));
  color:var(--stone);padding:1.4rem 1rem;border-right:1px solid rgba(255,255,255,.07);
}
.side__logo{padding:.2rem .6rem 1.6rem}
.side__nav{flex:1;overflow-y:auto}
.side__label{font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.35);font-weight:800;padding:1.2rem .8rem .5rem}
.side__link{
  display:flex;align-items:center;gap:.75rem;padding:.7rem .8rem;border-radius:11px;
  font-weight:700;font-size:.9rem;color:var(--stone);transition:.18s var(--ease);margin-bottom:.15rem;
}
.side__link svg{width:19px;height:19px;flex:none;opacity:.8}
.side__link:hover{background:rgba(255,255,255,.07);color:#fff}
.side__link.is-active{background:var(--accent);color:var(--brand-950)}
.side__link.is-active svg{opacity:1}
.side__link .badge{margin-left:auto;font-size:.7rem;font-weight:800;padding:.1rem .45rem;border-radius:var(--r-full);background:rgba(255,255,255,.14)}
.side__link.is-active .badge{background:rgba(4,36,26,.18)}
.side__foot{border-top:1px solid rgba(255,255,255,.1);padding-top:1rem;margin-top:1rem}
.side__user{display:flex;align-items:center;gap:.7rem;padding:.55rem .6rem;border-radius:12px}
.side__user .avatar{width:38px;height:38px;background:var(--accent);color:var(--brand-950)}
.side__user b{display:block;font-size:.85rem;color:#fff;line-height:1.2}
.side__user small{font-size:.72rem;color:rgba(255,255,255,.5)}
.side__out{display:flex;align-items:center;gap:.6rem;width:100%;margin-top:.5rem;padding:.6rem .7rem;border:0;background:transparent;color:var(--stone);border-radius:10px;font-weight:700;font-size:.85rem;cursor:pointer;transition:.18s}
.side__out:hover{background:rgba(224,80,63,.16);color:#ffb3a8}
.side__out svg{width:18px;height:18px}

.main{min-width:0;display:flex;flex-direction:column}
.topbar{
  position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:1.2rem;
  padding:1rem clamp(1.2rem,3vw,2.4rem);background:rgba(255,255,255,.86);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line);
}
.topbar__search{flex:1;max-width:430px;position:relative}
.topbar__search svg{position:absolute;left:.9rem;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--text-3)}
.topbar__search input{
  width:100%;padding:.68rem 1rem .68rem 2.6rem;border-radius:var(--r-full);
  border:1.5px solid var(--line);background:var(--surface-2);font-size:.9rem;transition:.18s;
}
.topbar__search input:focus{outline:0;border-color:var(--accent);background:#fff;box-shadow:0 0 0 4px rgba(0,216,114,.14)}
.topbar__actions{margin-left:auto;display:flex;align-items:center;gap:.6rem}
.iconbtn{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--surface);
  display:grid;place-items:center;cursor:pointer;color:var(--text-2);transition:.18s;position:relative;
}
.iconbtn:hover{border-color:var(--brand);color:var(--brand)}
.iconbtn svg{width:19px;height:19px}
.iconbtn .pip{position:absolute;top:8px;right:9px;width:8px;height:8px;border-radius:50%;background:var(--accent);border:2px solid #fff}
.burger{display:none}

.content{padding:clamp(1.4rem,3vw,2.4rem);flex:1}

/* Encabezado de página */
.page-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:1.2rem;margin-bottom:1.8rem}
.page-head h1{font-size:clamp(1.7rem,3vw,2.2rem)}
.page-head p{color:var(--text-2);margin-top:.4rem}

/* Banner continuar */
.resume{
  display:grid;grid-template-columns:1.4fr auto;align-items:center;gap:1.6rem;
  border-radius:var(--r-lg);padding:1.6rem 1.8rem;color:#fff;margin-bottom:2rem;
  background:radial-gradient(600px 260px at 88% 0%,rgba(0,216,114,.3),transparent 62%),linear-gradient(140deg,var(--brand),var(--brand-1000));
  box-shadow:var(--sh-3);
}
.resume h2{font-size:1.42rem;margin:.5rem 0 .35rem}
.resume p{color:var(--on-dark-2);font-size:.9rem}
.resume__bar{margin-top:1.1rem;max-width:440px}

/* Barra de progreso */
.bar{height:8px;border-radius:var(--r-full);background:rgba(255,255,255,.16);overflow:hidden}
.bar i{display:block;height:100%;border-radius:var(--r-full);background:linear-gradient(90deg,var(--accent),var(--accent-300));transition:width .5s var(--ease)}
.bar--light{background:var(--line)}
.bar--sm{height:6px}
.bar__meta{display:flex;justify-content:space-between;font-size:.76rem;font-weight:800;margin-bottom:.4rem}

/* KPIs */
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-bottom:2rem}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:1.2rem 1.3rem;box-shadow:var(--sh-1);transition:.22s var(--ease)}
.kpi:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.kpi__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:.7rem}
.kpi__ico{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:rgba(0,216,114,.13);color:var(--brand-700)}
.kpi__ico svg{width:19px;height:19px}
.kpi b{font-size:1.85rem;letter-spacing:-.035em;display:block;line-height:1.1}
.kpi span{font-size:.82rem;color:var(--text-3);font-weight:700}

/* Filtros */
.filters{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.5rem}
.filters button{
  padding:.5rem 1.05rem;border-radius:var(--r-full);border:1.5px solid var(--line-strong);
  background:var(--surface);font-weight:700;font-size:.85rem;color:var(--text-2);cursor:pointer;transition:.18s var(--ease);
}
.filters button:hover{border-color:var(--brand);color:var(--brand)}
.filters button.is-active{background:var(--brand);border-color:var(--brand);color:#fff}

/* Programa (bloque en dashboard) */
.program{margin-bottom:2.6rem}
.program__head{display:flex;align-items:center;gap:1rem;margin-bottom:1.1rem;flex-wrap:wrap}
.program__ico{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(150deg,var(--brand),var(--brand-700));color:var(--accent);flex:none}
.program__ico svg{width:23px;height:23px}
.program__head h2{font-size:1.3rem}
.program__head p{font-size:.88rem;color:var(--text-2)}
.program__pro{margin-left:auto;min-width:180px}

/* Tarjeta de curso */
.courses{display:grid;grid-template-columns:repeat(auto-fill,minmax(272px,1fr));gap:1.3rem}
.course{
  display:flex;flex-direction:column;overflow:hidden;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s;
}
.course:hover{transform:translateY(-6px);box-shadow:var(--sh-3);border-color:rgba(0,216,114,.55)}
.course__cover{
  position:relative;aspect-ratio:16/9;display:grid;place-items:center;overflow:hidden;
  background:linear-gradient(140deg,var(--brand),var(--brand-1000));color:var(--accent);
}
.course__cover::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:34px 34px;opacity:.55;
}
.course__cover svg{width:44px;height:44px;position:relative;z-index:2;opacity:.92}
.course__tag{position:absolute;top:.7rem;left:.7rem;z-index:3}
.course__lock{position:absolute;inset:0;z-index:4;display:grid;place-items:center;background:rgba(4,36,26,.72);backdrop-filter:blur(2px);color:#fff;text-align:center;padding:1rem}
.course__lock svg{width:26px;height:26px;margin-bottom:.4rem;color:var(--stone)}
.course__lock span{display:block;font-size:.78rem;font-weight:700;color:var(--stone)}
.course__body{padding:1.15rem 1.2rem 1.3rem;display:flex;flex-direction:column;flex:1}
.course__body h3{font-size:1.03rem;margin-bottom:.4rem;letter-spacing:-.015em}
.course__body p{font-size:.86rem;color:var(--text-2);flex:1;margin-bottom:1rem;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.course__meta{display:flex;gap:.9rem;font-size:.76rem;color:var(--text-3);font-weight:700;margin-bottom:.95rem}
.course__meta span{display:inline-flex;align-items:center;gap:.3rem}
.course__meta svg{width:14px;height:14px}
.course__foot{margin-top:auto}
.course__foot .btn{width:100%}

/* Estado vacío */
.empty{
  text-align:center;padding:4rem 1.5rem;border:1.5px dashed var(--line-strong);
  border-radius:var(--r-lg);background:var(--surface-2);
}
.empty svg{width:44px;height:44px;color:var(--text-3);margin-bottom:1rem}
.empty h3{margin-bottom:.4rem}
.empty p{color:var(--text-2);max-width:44ch;margin:0 auto 1.4rem}

/* =========================================================
   REPRODUCTOR DE CURSO
   ========================================================= */
.player{display:grid;grid-template-columns:1fr 360px;gap:1.6rem;align-items:start}
.stage{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1)}
.stage__video{
  position:relative;aspect-ratio:16/9;display:grid;place-items:center;
  background:radial-gradient(600px 300px at 50% 40%,rgba(0,216,114,.16),transparent 65%),linear-gradient(150deg,var(--brand-950),var(--brand-1000));
  color:#fff;text-align:center;padding:1.5rem;
}
.stage__video::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:44px 44px;mask-image:radial-gradient(circle at 50% 50%,#000,transparent 75%);
  -webkit-mask-image:radial-gradient(circle at 50% 50%,#000,transparent 75%);
}
.stage__video>*{position:relative;z-index:2}
.play{
  width:76px;height:76px;border-radius:50%;border:0;cursor:pointer;display:grid;place-items:center;
  background:var(--accent);color:var(--brand-950);box-shadow:var(--sh-glow);transition:transform .2s var(--ease);
}
.play:hover{transform:scale(1.08)}
.play svg{width:28px;height:28px;margin-left:3px}
.stage__video h2{font-size:1.15rem;margin-top:1.1rem}
.stage__video p{font-size:.84rem;color:var(--on-dark-2);margin-top:.3rem}
.stage__body{padding:1.5rem clamp(1.1rem,2.4vw,1.9rem) 1.9rem}
.stage__head{display:flex;flex-wrap:wrap;gap:1rem;align-items:flex-start;justify-content:space-between;margin-bottom:1.2rem}
.stage__head h1{font-size:1.5rem;margin-bottom:.4rem}

.tabbar{display:flex;gap:.2rem;border-bottom:1.5px solid var(--line);margin-bottom:1.3rem;overflow-x:auto}
.tabbar button{
  padding:.7rem 1.05rem;border:0;background:transparent;cursor:pointer;font-weight:800;font-size:.88rem;
  color:var(--text-3);border-bottom:2.5px solid transparent;margin-bottom:-1.5px;white-space:nowrap;transition:.18s;
}
.tabbar button:hover{color:var(--text)}
.tabbar button.is-active{color:var(--brand);border-bottom-color:var(--accent)}
.panel{display:none}
.panel.is-active{display:block;animation:fade .3s var(--ease)}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.panel p{color:var(--text-2);margin-bottom:1rem}
.panel h4{font-size:1rem;margin:1.4rem 0 .6rem}
.bullets li{display:flex;gap:.65rem;align-items:flex-start;padding:.32rem 0;color:var(--text-2);font-size:.93rem}
.bullets svg{width:18px;height:18px;color:var(--accent-600);flex:none;margin-top:.2rem}
.resource{
  display:flex;align-items:center;gap:.9rem;padding:.85rem 1rem;border:1px solid var(--line);
  border-radius:var(--r);margin-bottom:.6rem;background:var(--surface-2);transition:.18s;
}
.resource:hover{border-color:var(--accent);background:#fff}
.resource__ico{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:var(--brand);color:var(--accent);flex:none}
.resource__ico svg{width:18px;height:18px}
.resource b{display:block;font-size:.9rem}
.resource small{color:var(--text-3);font-size:.76rem}
.resource .btn{margin-left:auto}
.notes textarea{width:100%;min-height:170px;padding:1rem;border:1.5px solid var(--line-strong);border-radius:var(--r);resize:vertical}
.notes textarea:focus{outline:0;border-color:var(--accent);box-shadow:0 0 0 4px rgba(0,216,114,.15)}

/* Lista de lecciones */
.syllabus{position:sticky;top:calc(var(--nav-h) + 12px);background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1)}
.syllabus__head{padding:1.2rem 1.3rem;background:var(--brand);color:#fff}
.syllabus__head b{font-size:.95rem}
.syllabus__head .bar{margin-top:.75rem}
.syllabus__head .bar__meta{color:var(--stone)}
.syllabus__list{max-height:min(58vh,560px);overflow-y:auto;padding:.5rem}
.lesson{
  display:flex;gap:.8rem;align-items:flex-start;width:100%;text-align:left;padding:.75rem .8rem;
  border:0;background:transparent;border-radius:11px;cursor:pointer;transition:.16s;margin-bottom:.15rem;
}
.lesson:hover{background:var(--surface-2)}
.lesson.is-active{background:rgba(0,216,114,.12);box-shadow:inset 3px 0 0 var(--accent)}
.lesson__st{
  width:24px;height:24px;border-radius:50%;flex:none;display:grid;place-items:center;margin-top:.1rem;
  border:2px solid var(--line-strong);color:transparent;transition:.18s;
}
.lesson__st svg{width:13px;height:13px}
.lesson.is-done .lesson__st{background:var(--accent);border-color:var(--accent);color:var(--brand-950)}
.lesson b{display:block;font-size:.88rem;font-weight:700;letter-spacing:-.01em;line-height:1.35}
.lesson small{font-size:.74rem;color:var(--text-3);display:inline-flex;align-items:center;gap:.3rem;margin-top:.2rem}
.lesson small svg{width:12px;height:12px}
.syllabus__foot{padding:1rem 1.1rem;border-top:1px solid var(--line);background:var(--surface-2)}

/* Certificado */
.cert{
  border:2px solid var(--accent);border-radius:var(--r-lg);padding:1.4rem;text-align:center;
  background:linear-gradient(160deg,rgba(0,216,114,.1),transparent);margin-top:1rem;
}
.cert svg{width:34px;height:34px;color:var(--accent-600);margin-bottom:.5rem}
.cert b{display:block;margin-bottom:.3rem}
.cert p{font-size:.84rem;color:var(--text-2);margin-bottom:.9rem}

/* Modal */
.modal{
  position:fixed;inset:0;z-index:100;display:none;place-items:center;padding:1.5rem;
  background:rgba(4,36,26,.62);backdrop-filter:blur(5px);
}
.modal.is-open{display:grid}
.modal__box{
  width:min(560px,100%);background:var(--surface);border-radius:var(--r-xl);padding:2rem;
  box-shadow:0 40px 90px -25px rgba(0,0,0,.5);animation:pop .28s var(--ease);max-height:88vh;overflow-y:auto;
}
@keyframes pop{from{opacity:0;transform:scale(.94) translateY(12px)}to{opacity:1;transform:none}}
.modal__box h3{margin-bottom:.5rem}
.modal__box>p{color:var(--text-2);margin-bottom:1.4rem}
.modal__actions{display:flex;gap:.7rem;justify-content:flex-end;margin-top:1.6rem;flex-wrap:wrap}


/* Chips sobre superficies oscuras dentro de la app */
.resume .chip:not(.chip--solid),
.course__tag:not(.chip--solid),
.campus .chip:not(.chip--solid),
.ariel__card .chip:not(.chip--solid),
.stage__video .chip:not(.chip--solid){
  background:rgba(0,216,114,.2);
  color:var(--accent-300);
  backdrop-filter:blur(4px);
}

/* Diploma imprimible */
.diploma{
  border:3px double var(--brand);border-radius:var(--r);padding:2.2rem 1.6rem;text-align:center;
  background:linear-gradient(160deg,#fff,rgba(0,216,114,.07));
}
.diploma .mono-label{margin-bottom:.6rem;display:block}
.diploma h2{font-size:1.5rem;margin:.5rem 0}
.diploma .name{font-size:1.9rem;font-weight:800;color:var(--brand);letter-spacing:-.03em;margin:.8rem 0;border-bottom:2px solid var(--accent);display:inline-block;padding-bottom:.3rem}
.diploma small{display:block;color:var(--text-3);margin-top:1.2rem;font-size:.78rem}

/* Toast */
.toast{
  position:fixed;bottom:1.5rem;right:1.5rem;z-index:200;display:flex;align-items:center;gap:.7rem;
  padding:.9rem 1.2rem;border-radius:var(--r);background:var(--brand);color:#fff;font-weight:700;font-size:.9rem;
  box-shadow:var(--sh-3);transform:translateY(140%);transition:transform .38s var(--ease);
}
.toast.is-visible{transform:none}
.toast svg{width:19px;height:19px;color:var(--accent)}

/* Tabla admin */
.table-wrap{overflow-x:auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1)}
table{width:100%;border-collapse:collapse;min-width:640px}
th,td{text-align:left;padding:.9rem 1.1rem;font-size:.88rem;border-bottom:1px solid var(--line)}
th{background:var(--surface-2);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text-3);font-weight:800}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:var(--surface-2)}
td .btn{padding:.35rem .8rem;font-size:.78rem}

/* Reveal on scroll */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width:1080px){
  .player{grid-template-columns:1fr}
  .syllabus{position:static}
  .kpis{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:960px){
  .hero__grid{grid-template-columns:1fr}
  .mock{transform:none;animation:none;max-width:520px}
  .grid-3,.grid-4,.steps,.footer__grid{grid-template-columns:repeat(2,1fr)}
  .auth{grid-template-columns:1fr}
  .auth__aside{display:none}
  .nav__links{display:none}
  .shell{grid-template-columns:1fr}
  .side{
    position:fixed;left:0;top:0;width:270px;z-index:90;transform:translateX(-100%);
    transition:transform .3s var(--ease);box-shadow:0 0 60px rgba(0,0,0,.4);
  }
  .side.is-open{transform:none}
  .burger{display:grid}
  .scrim{position:fixed;inset:0;background:rgba(4,36,26,.55);z-index:80;display:none}
  .scrim.is-open{display:block}
}
@media (max-width:720px){
  .grid-3,.grid-4,.grid-2,.steps,.footer__grid,.kpis{grid-template-columns:1fr}
  .resume{grid-template-columns:1fr}
  .program__pro{margin-left:0;width:100%}
  .hero__trust{gap:1.4rem}
  .topbar__search{display:none}
  .content{padding:1.1rem}
}

@media print{
  body{background:#fff}
  .side,.topbar,.modal__actions,.btn{display:none!important}
  .modal{position:static;background:none;padding:0;display:block}
  .modal__box{box-shadow:none;max-height:none}
}

/* =========================================================
   LANDING CORPORATIVA · Building Lives
   Componentes añadidos para el sitio público
   ========================================================= */

/* Accesibilidad: salto al contenido */
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:999;
  background:var(--accent);color:var(--brand-950);padding:.8rem 1.3rem;
  border-radius:0 0 var(--r) 0;font-weight:800;
}
.skip-link:focus{left:0}

/* Nav: estado al hacer scroll + menú móvil */
.nav{transition:background .3s var(--ease),box-shadow .3s var(--ease)}
.nav.is-stuck{background:rgba(2,22,17,.94);box-shadow:0 10px 30px -12px rgba(0,0,0,.55)}
.nav__links a{position:relative;padding:.35rem 0}
.nav__links a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;
  background:var(--accent);border-radius:2px;transition:right .28s var(--ease);
}
.nav__links a:hover::after,.nav__links a.is-current::after{right:0}

.nav__toggle{
  display:none;width:42px;height:42px;border-radius:12px;flex:none;
  border:1px solid rgba(255,255,255,.2);background:transparent;color:#fff;
  place-items:center;cursor:pointer;
}
.nav__toggle svg{width:20px;height:20px}
.drawer{
  position:fixed;inset:var(--nav-h) 0 auto 0;z-index:55;
  background:linear-gradient(180deg,var(--brand-950),var(--brand-1000));
  border-bottom:1px solid rgba(255,255,255,.1);
  padding:1.2rem 6vw 1.8rem;display:none;
}
.drawer.is-open{display:block;animation:fade .25s var(--ease)}
.drawer a{
  display:block;padding:.85rem 0;color:var(--stone);font-weight:700;font-size:1rem;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.drawer a:hover{color:var(--accent)}
.drawer .btn{width:100%;margin-top:1.2rem}

/* Selector de idioma */
.lang{display:inline-flex;padding:.22rem;border-radius:var(--r-full);background:rgba(255,255,255,.1);gap:.15rem}
.lang button{
  border:0;background:transparent;color:rgba(255,255,255,.7);cursor:pointer;
  padding:.32rem .7rem;border-radius:var(--r-full);font-size:.76rem;font-weight:800;letter-spacing:.04em;
  transition:.2s var(--ease);
}
.lang button:hover{color:#fff}
.lang button.is-active{background:var(--accent);color:var(--brand-950)}

/* Panel del héroe: modelo mente / cuerpo / espíritu */
.model{
  border-radius:var(--r-xl);padding:1.7rem;color:#fff;
  background:linear-gradient(180deg,rgba(255,255,255,.1),rgba(255,255,255,.03));
  border:1px solid rgba(255,255,255,.15);backdrop-filter:blur(10px);
  box-shadow:0 40px 80px -30px rgba(0,0,0,.6);
}
.model__hd{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.4rem}
.model__hd b{font-size:.95rem;letter-spacing:-.01em}
.rings{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;text-align:center}
.ring{position:relative;display:grid;place-items:center}
.ring svg{width:88px;height:88px;transform:rotate(-90deg)}
.ring circle{fill:none;stroke-width:7;stroke-linecap:round}
.ring .track{stroke:rgba(255,255,255,.13)}
.ring .val{stroke:var(--accent);stroke-dasharray:220;stroke-dashoffset:220;transition:stroke-dashoffset 1.4s var(--ease)}
.ring__ico{position:absolute;top:26px;color:var(--accent)}
.ring__ico svg{width:24px;height:24px;transform:none}
.ring b{display:block;margin-top:.55rem;font-size:.86rem}
.ring small{font-size:.72rem;color:var(--stone)}
.model__foot{
  display:flex;justify-content:space-between;gap:1rem;margin-top:1.5rem;padding-top:1.2rem;
  border-top:1px solid rgba(255,255,255,.14);font-size:.78rem;color:var(--stone);
}
.model__foot b{display:block;color:#fff;font-size:1.25rem;letter-spacing:-.03em}

/* Sección Ariel */
.ariel{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.ariel__card{
  position:relative;border-radius:var(--r-xl);padding:2.4rem 2rem;text-align:center;color:#fff;overflow:hidden;
  background:radial-gradient(500px 260px at 50% 0%,rgba(0,216,114,.28),transparent 65%),linear-gradient(160deg,var(--brand),var(--brand-1000));
  box-shadow:var(--sh-3);
}
.ariel__medal{
  width:132px;height:132px;border-radius:50%;margin:0 auto 1.3rem;display:grid;place-items:center;
  background:linear-gradient(150deg,var(--accent),var(--accent-600));
  color:var(--brand-950);font-size:2.6rem;font-weight:800;letter-spacing:-.04em;
  box-shadow:0 18px 46px -14px rgba(0,216,114,.8);
}
.ariel__card b{display:block;font-size:1.35rem;letter-spacing:-.02em}
.ariel__card span{font-size:.85rem;color:var(--stone)}
.ariel__tags{display:flex;flex-wrap:wrap;gap:.4rem;justify-content:center;margin-top:1.4rem}
.ariel blockquote{
  margin:1.6rem 0 0;padding:1.3rem 1.5rem;border-left:4px solid var(--accent);
  background:var(--surface-2);border-radius:0 var(--r) var(--r) 0;
  font-size:1.02rem;font-weight:600;font-style:italic;color:var(--text);
}
.section--dark .ariel blockquote{background:rgba(255,255,255,.06);color:#fff}

/* Banda del campus / intranet */
.campus{
  position:relative;overflow:hidden;border-radius:var(--r-xl);color:#fff;
  display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(1.8rem,4vw,3.4rem);align-items:center;
  padding:clamp(2.2rem,4.5vw,3.4rem);
  background:radial-gradient(700px 340px at 88% 10%,rgba(0,216,114,.3),transparent 62%),linear-gradient(145deg,var(--brand),var(--brand-1000));
  box-shadow:var(--sh-3);
}
.campus::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:52px 52px;mask-image:radial-gradient(circle at 70% 40%,#000,transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 70% 40%,#000,transparent 72%);
}
.campus>*{position:relative;z-index:2}
.campus h2{margin:.9rem 0 .8rem}
.campus p{color:var(--on-dark-2);max-width:52ch}
.campus__list{margin:1.5rem 0 2rem;display:grid;gap:.55rem}
.campus__list li{display:flex;gap:.6rem;align-items:flex-start;font-size:.94rem;color:var(--on-dark-2)}
.campus__list svg{width:19px;height:19px;color:var(--accent);flex:none;margin-top:.15rem}
.campus__box{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-lg);padding:1.6rem;backdrop-filter:blur(8px);text-align:center;
}
.campus__box .logo{justify-content:center;margin-bottom:1.1rem}
.campus__box p{font-size:.86rem;margin:0 auto 1.3rem}
.campus__box .btn{width:100%}
.campus__box small{display:block;margin-top:.9rem;font-size:.78rem;color:rgba(255,255,255,.74)}

/* Botón de acceso destacado en la barra */
.btn--beacon{position:relative}
.btn--beacon::before{
  content:"";position:absolute;inset:-4px;border-radius:var(--r-full);
  border:2px solid var(--accent);opacity:.55;animation:beacon 2.6s var(--ease) infinite;
}
@keyframes beacon{0%{transform:scale(.96);opacity:.6}70%{transform:scale(1.14);opacity:0}100%{opacity:0}}
@media (prefers-reduced-motion:reduce){.btn--beacon::before{animation:none;opacity:.35}}

/* Contacto */
.contact{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(1.8rem,4vw,3rem);align-items:start}
.contact__form{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:clamp(1.5rem,3vw,2.2rem);box-shadow:var(--sh-2);
}
.contact__row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.contact__cards{display:grid;gap:.9rem}
.ccard{
  display:flex;gap:1rem;align-items:center;padding:1.15rem 1.3rem;border-radius:var(--r);
  border:1px solid var(--line);background:var(--surface);transition:.22s var(--ease);
}
.ccard:hover{border-color:var(--accent);transform:translateX(4px);box-shadow:var(--sh-2)}
.ccard__ico{
  width:46px;height:46px;border-radius:13px;flex:none;display:grid;place-items:center;
  background:linear-gradient(150deg,var(--brand),var(--brand-700));color:var(--accent);
}
.ccard__ico svg{width:21px;height:21px}
.ccard b{display:block;font-size:.95rem}
.ccard span{font-size:.86rem;color:var(--text-2)}
.section--dark .ccard{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.14)}
.section--dark .ccard b{color:#fff}
.section--dark .ccard span{color:var(--on-dark-2)}

/* Botón flotante de WhatsApp */
.fab{
  position:fixed;right:1.3rem;bottom:1.3rem;z-index:70;
  display:inline-flex;align-items:center;gap:.6rem;padding:.85rem 1.2rem;
  border-radius:var(--r-full);background:var(--accent);color:var(--brand-950);
  font-weight:800;font-size:.9rem;box-shadow:var(--sh-glow);
  transition:transform .22s var(--ease);
}
.fab:hover{transform:translateY(-3px) scale(1.03)}
.fab svg{width:21px;height:21px}
.fab span{display:none}
@media (min-width:720px){.fab span{display:inline}}

/* Cifras animadas */
.counter{font-variant-numeric:tabular-nums}

@media (max-width:960px){
  .nav__toggle{display:grid}
  .nav__cta .btn--ghost{display:none}
  .ariel,.campus,.contact{grid-template-columns:1fr}
  .lang{display:none}
  .drawer .lang{display:inline-flex;margin-top:1rem}
}
@media (max-width:720px){
  .contact__row{grid-template-columns:1fr}
  .rings{gap:.4rem}
  .ring svg{width:74px;height:74px}
  .ring__ico{top:22px}
}

/* Proceso de cuatro pasos */
.grid-4.steps{grid-template-columns:repeat(4,1fr)}
@media (max-width:960px){.grid-4.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:720px){.grid-4.steps{grid-template-columns:1fr}}

/* Iconos en línea inyectados por JS */
.icon-inline{display:inline-flex;align-items:center;justify-content:center;flex:none}
.icon-inline svg{width:18px;height:18px}
.progcard__meta .icon-inline svg{width:15px;height:15px}
.hero__trust b{font-variant-numeric:tabular-nums}

/* Barra superior compacta en pantallas pequeñas */
@media (max-width:560px){
  .nav__inner{gap:.55rem}
  .logo__mark{width:34px;height:34px;border-radius:10px}
  .logo__mark svg{width:19px;height:19px}
  .logo__text b{font-size:.92rem;white-space:nowrap}
  .logo__text span{font-size:.55rem}
  .nav__cta{gap:.45rem}
  .nav__cta .btn{padding:.52rem .85rem;font-size:.8rem}
  .nav__toggle{width:38px;height:38px}
}

/* =========================================================
   LOGO OFICIAL BUILDING LIVES
   El arte original es blanco sobre transparente. Se pinta
   con máscara CSS para poder usar cualquier color
   corporativo según el fondo:
     color:#fff            → sobre verde principal / oscuros
     color:var(--brand)    → sobre blanco / gris corporativo
     color:var(--accent)   → acento sobre fondos muy oscuros
   ========================================================= */
.brand{
  display:block;height:38px;width:95px;   /* proporción 951 × 380 */
  background-color:currentColor;
  -webkit-mask:url(../img/logo-building-lives.png) left center/contain no-repeat;
          mask:url(../img/logo-building-lives.png) left center/contain no-repeat;
}
.brand--sm{height:28px;width:70px}
.brand--lg{height:46px;width:115px}
.brand--xl{height:60px;width:150px}
.brand--light{color:#fff}
.brand--ink{color:var(--brand)}
.brand--accent{color:var(--accent)}

/* Enlace de marca con bajada opcional (campus) */
.brandlink{display:inline-flex;flex-direction:column;gap:.45rem;color:inherit}
.brandlink__sub{
  font-size:.6rem;font-weight:800;letter-spacing:.19em;text-transform:uppercase;
  color:var(--accent);line-height:1;
}
.brandlink--ink .brandlink__sub{color:var(--brand-700)}

/* Isotipo dentro de placa (usos compactos) */
.brandmark{
  width:44px;height:44px;border-radius:13px;flex:none;display:grid;place-items:center;
  background:linear-gradient(150deg,var(--brand),var(--brand-1000));
}
.brandmark img{width:26px;height:auto}
.brandmark--accent{background:linear-gradient(150deg,var(--accent),var(--accent-600))}
.brandmark--accent img{filter:brightness(0) saturate(100%) invert(11%) sepia(30%) saturate(1600%) hue-rotate(120deg) brightness(95%)}

/* Respaldo si el navegador no soporta máscaras CSS */
@supports not ((-webkit-mask-image:url("x")) or (mask-image:url("x"))){
  .brand{
    background-color:transparent;
    background:url(../img/logo-building-lives.png) left center/contain no-repeat;
  }
  .brand--ink{background-color:var(--brand);border-radius:8px;padding:4px 8px;width:101px}
}

/* El certificado lleva la marca oficial en verde principal */
.diploma .brand{margin-inline:auto}

/* =========================================================
   FOTOGRAFÍAS
   Cada bloque se ve correcto sin fotos (degradados corporativos)
   y mejora automáticamente cuando el archivo existe en
   assets/img/photos/. El tratamiento mantiene siempre la
   legibilidad del texto con velos en verde principal.
   ========================================================= */

/* Héroe: foto de fondo bajo el velo verde */
.hero.has-photo{
  background:
    /* refuerzo bajo la columna de texto: asegura el contraste del titular
       sea cual sea la fotografía que se coloque */
    linear-gradient(90deg, rgba(4,36,26,.6) 0%, rgba(4,36,26,.34) 38%, rgba(4,36,26,0) 62%),
    linear-gradient(100deg, rgba(4,36,26,.86) 0%, rgba(4,36,26,.78) 34%, rgba(7,62,44,.6) 66%, rgba(2,22,17,.48) 100%),
    radial-gradient(900px 520px at 78% 8%, rgba(0,216,114,.2), transparent 62%),
    var(--photo) center/cover no-repeat,
    var(--brand-950);
}
/* En móvil el texto ocupa todo el ancho: el velo se aplica parejo */
@media (max-width:960px){
  .hero.has-photo{
    background:
      linear-gradient(180deg, rgba(4,36,26,.92) 0%, rgba(4,36,26,.86) 55%, rgba(2,22,17,.9) 100%),
      radial-gradient(600px 400px at 70% 10%, rgba(0,216,114,.18), transparent 60%),
      var(--photo) center/cover no-repeat,
      var(--brand-950);
  }
}

/* Tarjetas de programa: banda superior con duotono verde */
.progcard.has-photo{padding-top:0;overflow:hidden}
.progcard.has-photo::before{
  content:"";display:block;height:150px;margin:0 -1.7rem 1.4rem;
  background:
    linear-gradient(180deg, rgba(7,62,44,.35), rgba(7,62,44,.9)),
    var(--photo) center/cover no-repeat;
}
.progcard.has-photo .progcard__num{position:relative}

/* Ariel: retrato recortado sobre la tarjeta corporativa.
   El halo en verde secundario separa el traje azul del fondo verde. */
.ariel__card.has-photo{
  padding:2.1rem 1.4rem 0;
  min-height:560px;
  display:flex;flex-direction:column;
  background:
    linear-gradient(180deg, rgba(2,22,17,.92) 0%, rgba(2,22,17,.55) 12%, rgba(2,22,17,0) 26%),
    var(--photo) center bottom/auto 84% no-repeat,
    radial-gradient(circle at 50% 70%, rgba(0,216,114,.55) 0%, rgba(0,216,114,.2) 42%, rgba(0,216,114,0) 64%),
    linear-gradient(160deg,var(--brand),var(--brand-1000));
}
@media (max-width:960px){
  .ariel__card.has-photo{min-height:520px;background-size:auto,auto 76%,auto,auto}
}
.ariel__card.has-photo .ariel__medal{display:none}
.ariel__card.has-photo .ariel__name{position:relative;z-index:2}
.ariel__card.has-photo .ariel__name b{font-size:1.5rem}

/* Etiquetas junto al texto (fuera de la tarjeta) */
.ariel__tags{display:flex;flex-wrap:wrap;gap:.45rem;margin-top:1.6rem}
.ariel__card .ariel__tags{justify-content:center}
.ariel__name b{display:block;font-size:1.35rem;letter-spacing:-.02em}
.ariel__name span{font-size:.85rem;color:var(--stone)}

/* Banda de campus */
.campus.has-photo{
  background:
    linear-gradient(105deg, rgba(7,62,44,.97) 0%, rgba(7,62,44,.88) 42%, rgba(2,22,17,.55) 100%),
    radial-gradient(700px 340px at 88% 10%, rgba(0,216,114,.2), transparent 62%),
    var(--photo) center/cover no-repeat,
    var(--brand);
}

/* Panel lateral del login */
.auth__aside.has-photo{
  background:
    linear-gradient(165deg, rgba(4,36,26,.9), rgba(7,62,44,.8) 55%, rgba(2,22,17,.93)),
    radial-gradient(700px 460px at 20% 12%, rgba(0,216,114,.2), transparent 62%),
    var(--photo) center/cover no-repeat,
    var(--brand-950);
}

/* Banner "continuar aprendiendo" del campus */
.resume.has-photo{
  background:
    linear-gradient(100deg, rgba(7,62,44,.97) 0%, rgba(7,62,44,.88) 50%, rgba(2,22,17,.7) 100%),
    var(--photo) center/cover no-repeat,
    var(--brand);
}

/* Portada de curso con fotografía */
.course__cover.has-photo{
  background:
    linear-gradient(180deg, rgba(4,36,26,.25), rgba(4,36,26,.75)),
    var(--photo) center/cover no-repeat,
    var(--brand);
}
.course__cover.has-photo::after{opacity:.25}
.course__cover.has-photo > svg{opacity:.85;filter:drop-shadow(0 4px 12px rgba(0,0,0,.5))}

@media (max-width:720px){
  .ariel__card.has-photo{min-height:360px}
  .progcard.has-photo::before{height:130px}
}

/* =========================================================
   MARCA DE AGUA CON EL ISOTIPO
   Usa el mismo arte oficial enmascarado, para dar profundidad
   sin competir con el contenido.
   ========================================================= */
.watermark{
  position:absolute;display:block;pointer-events:none;z-index:0;
  background-color:currentColor;
  -webkit-mask:url(../img/logo-isotipo.png) center/contain no-repeat;
          mask:url(../img/logo-isotipo.png) center/contain no-repeat;
}

/* Sección oscura de programas */
.section--dark{position:relative;overflow:hidden}
.section--dark > .wrap{position:relative;z-index:1}
.watermark--seccion{
  right:-70px;bottom:-90px;width:420px;height:475px;
  color:#fff;opacity:.055;
}

/* Panel del modelo en el héroe */
.model{position:relative;overflow:hidden}
.model > *:not(.watermark){position:relative;z-index:1}
.watermark--panel{
  right:-58px;top:-48px;width:200px;height:226px;
  color:var(--accent);opacity:.09;
}

/* Estado vacío del campus */
.empty__mark{
  display:block;width:64px;height:72px;margin:0 auto 1.1rem;
  background-color:var(--brand);opacity:.32;
  -webkit-mask:url(../img/logo-isotipo.png) center/contain no-repeat;
          mask:url(../img/logo-isotipo.png) center/contain no-repeat;
}

@media (max-width:720px){
  .watermark--seccion{width:260px;height:294px;right:-50px;bottom:-60px}
  .watermark--panel{width:120px;height:136px}
}

/* =========================================================
   REPRODUCTOR DE VIDEO
   La descarga se deshabilita desde el marcado (controlsList)
   y aquí se oculta cualquier botón de descarga que el
   navegador pudiera dibujar igualmente.
   ========================================================= */
.stage__video.has-player{padding:0;display:block;background:#000}
.stage__video.has-player::after{display:none}
.stage__player{
  display:block;width:100%;aspect-ratio:16/9;height:auto;border:0;background:#000;
}
video.stage__player{object-fit:contain}
/* Impide seleccionar o arrastrar el fotograma fuera del navegador */
video.stage__player{
  -webkit-user-select:none;user-select:none;-webkit-touch-callout:none;
}
video.stage__player::-webkit-media-controls-download-button{display:none!important}
video.stage__player::-internal-media-controls-download-button{display:none!important}
video.stage__player::-webkit-media-controls-enclosure{overflow:hidden}