:root{
  --blue-950:#0d1329;
  --blue-900:#1F2B54;
  --blue-850:#26346a;
  --blue-800:#2d3d7a;
  --blue-700:#3b4d94;
  --blue-600:#4f63ad;

  --orange-600:#de7f0a;
  --orange-500:#F6971F;
  --orange-400:#fab45a;
  --orange-100:#fdebd0;

  --sun-500:#fbbf5e;
  --sun-400:#fccf86;
  --sun-100:#fef1dc;

  --gray-50:#f6f7f9;
  --gray-100:#e8eaed;
  --gray-200:#d3d7dd;
  --gray-400:#9aa3b2;
  --white:#ffffff;

  --success:#35c48f;
  --danger:#ff5a5f;
  --warning:#f2c94c;

  --font-display:'Quicksand', 'Segoe UI', sans-serif;
  --font-title:'Poppins', 'Segoe UI', sans-serif;
  --font-body:'Quicksand', 'Segoe UI', sans-serif;
  --font-mono:'Quicksand', 'Segoe UI', sans-serif;

  --radius-sm:6px;
  --radius-md:12px;
  --radius-lg:20px;

  --shadow-card: 0 10px 30px -12px rgba(13,19,41,0.45);
  --container-w: 1180px;

  /* ---- vidrio / burbujas ---- */
  --glass-bg: rgba(255,255,255,0.6);
  --glass-bg-strong: rgba(255,255,255,0.78);
  --glass-border: rgba(255,255,255,0.5);
  --glass-dark-bg: rgba(38,52,106,0.55);
  --glass-dark-border: rgba(255,255,255,0.12);
  --glass-blur: blur(18px);
  --radius-xl: 28px;
  --shadow-glass: 0 20px 50px -20px rgba(13,19,41,0.35), inset 0 1px 0 rgba(255,255,255,0.4);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--gray-50);
  color:var(--blue-900);
  font-family:var(--font-body);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family:var(--font-title); margin:0 0 .5em; color:var(--blue-900); line-height:1.15; }
p{ margin:0 0 1em; }
button{ font-family:inherit; cursor:pointer; }
code, .mono{ font-family:var(--font-mono); }

.container{ max-width:var(--container-w); margin:0 auto; padding:0 24px; }

/* =========================== BURBUJAS DE FONDO =========================== */
html{ overflow-x:hidden; }
.bg-blobs{
  position:fixed; inset:0; z-index:-1; overflow:hidden; pointer-events:none;
}
.bg-blobs span{
  position:absolute; border-radius:50%; filter:blur(70px); opacity:.4; will-change:transform;
}
.bg-blobs span:nth-child(1){
  width:460px; height:460px; top:-140px; left:-120px;
  background:radial-gradient(circle, var(--orange-400), transparent 70%);
  animation:floatBlob 22s ease-in-out infinite;
}
.bg-blobs span:nth-child(2){
  width:560px; height:560px; bottom:-220px; right:-180px;
  background:radial-gradient(circle, var(--sun-500), transparent 70%);
  animation:floatBlob 28s ease-in-out infinite reverse;
}
.bg-blobs span:nth-child(3){
  width:320px; height:320px; top:38%; right:8%;
  background:radial-gradient(circle, var(--blue-600), transparent 70%);
  opacity:.3; animation:floatBlob 19s ease-in-out infinite; animation-delay:-6s;
}
@keyframes floatBlob{
  0%,100%{ transform:translate(0,0) scale(1); }
  33%{ transform:translate(40px,-35px) scale(1.08); }
  66%{ transform:translate(-30px,25px) scale(0.95); }
}

:focus-visible{
  outline:3px solid var(--orange-500);
  outline-offset:2px;
}

::selection{
  background:var(--orange-500);
  color:var(--blue-950);
}

/* =========================== HEADER =========================== */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(31,43,84,0.72);
  backdrop-filter:var(--glass-blur);
  -webkit-backdrop-filter:var(--glass-blur);
  border-bottom:1px solid rgba(255,255,255,0.08);
}
.header-inner{
  display:flex; align-items:center; justify-content:flex-start;
  height:72px;
}
.logo{
  display:flex; align-items:center; gap:2px;
  background:var(--glass-bg-strong); border:1px solid var(--glass-border);
  backdrop-filter:var(--glass-blur); -webkit-backdrop-filter:var(--glass-blur);
  border-radius:9999px; padding:6px 16px; box-shadow:var(--shadow-glass);
  transition:transform .15s ease;
}
.logo:hover{ transform:translateY(-1px); }
.logo-text{
  font-family:var(--font-display); font-weight:700; font-size:21px; letter-spacing:.01em;
  color:var(--white);
}
.logo-text .accent{ color:var(--orange-500); }
.logo--footer .logo-text{ font-size:18px; }
.logo-img{ height:36px; width:auto; display:block; }
.logo-img--footer{ height:30px; }
.logo--footer{ padding:5px 14px; }

.main-nav{ display:flex; gap:8px; margin-left:auto; }
.nav-link{
  color:var(--gray-100); font-weight:500; font-size:15px;
  padding:10px 16px; border-radius:8px; position:relative;
  transition:color .15s ease, background .15s ease;
}
.nav-link{ border-radius:9999px; }
.nav-link:hover{ color:var(--white); background:rgba(255,255,255,0.1); }
.nav-link.is-active{ color:var(--white); }
.nav-link.is-active::after{
  content:''; position:absolute; left:16px; right:16px; bottom:4px; height:2px;
  background:var(--orange-500); border-radius:2px;
}

.lang-toggle{
  margin-left:12px; padding:8px 14px; border-radius:9999px; cursor:pointer;
  font:inherit; font-weight:700; font-size:13px; letter-spacing:.04em;
  color:var(--white); background:rgba(255,255,255,0.1); border:1px solid rgba(255,255,255,0.28);
  transition:background .15s ease, border-color .15s ease;
}
.lang-toggle:hover{ background:rgba(255,255,255,0.2); border-color:var(--orange-500); }
.lang-toggle:focus-visible{ outline:3px solid var(--orange-500); outline-offset:2px; }

.nav-toggle{
  display:none; flex-direction:column; gap:5px; background:none; border:none; padding:8px;
}
.nav-toggle span{ width:24px; height:2px; background:var(--white); border-radius:2px; }

/* =========================== BUTTONS =========================== */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:13px 24px; border-radius:9999px; font-weight:600; font-size:15px;
  border:1px solid transparent; transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space:nowrap;
}
.btn:hover{ transform:translateY(-2px) scale(1.03); }
.btn-primary{
  background:var(--orange-500); color:var(--blue-950);
  box-shadow:0 8px 24px -8px rgba(246,151,31,0.6);
}
.btn-primary:hover{ background:var(--orange-400); }
.btn-ghost{
  background:rgba(255,255,255,0.08); color:var(--white); border-color:rgba(255,255,255,0.35);
  backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
}
.btn-ghost:hover{ border-color:var(--orange-400); color:var(--orange-400); background:rgba(255,255,255,0.14); }
.btn-dark{
  background:var(--blue-900); color:var(--white);
}
.btn-dark:hover{ background:var(--blue-800); }
.btn-outline{
  background:transparent; color:var(--blue-900); border-color:var(--gray-200);
}
.btn-outline:hover{ border-color:var(--orange-500); color:var(--orange-600, #c9680f); background:rgba(246,151,31,0.08); }
.btn-sm{ padding:9px 18px; font-size:13px; }
.btn:disabled{ opacity:.5; cursor:not-allowed; transform:none; }

.ctf-actions{ display:flex; flex-wrap:wrap; gap:8px; }

/* =========================== HERO =========================== */
.hero{
  position:relative; overflow:hidden;
  background:radial-gradient(1200px 600px at 80% -10%, var(--blue-800), var(--blue-900) 55%, var(--blue-950));
  color:var(--white);
  padding:64px 0 88px;
}
.hero-bg{
  position:absolute; inset:0; opacity:.35; pointer-events:none;
  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:42px 42px;
  mask-image:radial-gradient(circle at 30% 20%, black, transparent 70%);
}
.hero-sun{
  position:absolute; top:-140px; right:-100px; width:420px; height:420px;
  border-radius:50%; pointer-events:none;
  background:radial-gradient(circle, rgba(251,191,94,0.35), rgba(251,191,94,0) 70%);
  animation:floatBlob 20s ease-in-out infinite;
}
.hero-orb{
  position:absolute; border-radius:50%; pointer-events:none; filter:blur(2px);
}
.hero-orb-1{
  width:160px; height:160px; left:6%; bottom:10%;
  background:radial-gradient(circle at 35% 35%, rgba(246,151,31,0.5), rgba(246,151,31,0) 70%);
  animation:floatBlob 16s ease-in-out infinite;
}
.hero-orb-2{
  width:90px; height:90px; left:38%; top:8%;
  background:radial-gradient(circle at 35% 35%, rgba(255,255,255,0.25), rgba(255,255,255,0) 70%);
  animation:floatBlob 13s ease-in-out infinite reverse;
}
.hero-inner{
  position:relative; z-index:1;
  display:grid; grid-template-columns:1fr 1.15fr; gap:56px; align-items:center;
  padding-top:32px;
}
.eyebrow{
  font-family:var(--font-mono); text-transform:uppercase; letter-spacing:.14em; font-size:12px;
  color:var(--orange-400); margin-bottom:14px;
}
.hero h1{ font-size:clamp(32px, 4vw, 48px); color:var(--white); }
.hero h1 .accent{ color:var(--orange-500); }
.hero h1 .accent-sun{ color:var(--sun-500); }
.lede{ color:var(--gray-100); font-size:17px; max-width:52ch; }
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; margin:26px 0 34px; }
.hero-stats{ display:flex; gap:34px; }
.hero-stats div{ display:flex; flex-direction:column; }
.hero-stats strong{ font-family:var(--font-display); font-size:26px; color:var(--white); }
.hero-stats span{ font-size:13px; color:var(--gray-400); }

.hero-visual{ display:flex; flex-direction:column; gap:18px; align-items:center; position:relative; }

.hero-mascot-feature{
  position:relative; display:flex; align-items:center; justify-content:center;
  margin:40px 0 40px; height:360px;
  width:100%; max-width:410px;
}
.hero-mascot-glow{
  position:absolute; left:50%; top:50%; transform:translate(-50%,-50%);
  width:340px; height:340px; border-radius:50%;
  background:radial-gradient(circle, rgba(251,191,94,0.35), rgba(246,151,31,0.12) 55%, transparent 75%);
  filter:blur(6px);
  animation:floatBlob 12s ease-in-out infinite;
}
.hero-mascot-backdrop{
  position:absolute; left:50%; top:50%; transform:translate(-50%,-50%);
  width:360px; height:360px; border-radius:50%;
  background:var(--gray-100);
  box-shadow:var(--shadow-glass);
  z-index:1;
}
.hero-mascot-img{
  position:absolute; left:50%; top:50%; z-index:2; width:235px; height:auto;
  filter:drop-shadow(0 18px 34px rgba(0,0,0,0.45));
  animation:heroMascotBob 6s ease-in-out infinite;
}
@keyframes heroMascotBob{
  0%,100%{ transform:translate(-50%,-50%) translateY(0) rotate(-1deg); }
  50%{ transform:translate(-50%,-50%) translateY(-10px) rotate(1deg); }
}
@media (max-width: 480px){
  .hero-mascot-feature{ height:240px; }
  .hero-mascot-glow{ width:220px; height:220px; }
  .hero-mascot-backdrop{ width:230px; height:230px; }
  .hero-mascot-img{ width:155px; }
}

.hero-terminal{
  background:var(--blue-950); border-radius:var(--radius-lg);
  border:1px solid rgba(255,255,255,0.08);
  box-shadow:0 30px 60px -20px rgba(0,0,0,0.6);
  overflow:hidden; width:100%;
}
.terminal-bar{
  display:flex; align-items:center; gap:10px; padding:15px 20px;
  background:var(--blue-900); border-bottom:1px solid rgba(255,255,255,0.06);
}
.terminal-bar span{ width:13px; height:13px; border-radius:50%; background:var(--gray-400); opacity:.5; }
.terminal-bar span:nth-child(1){ background:#ff5f56; opacity:.9;}
.terminal-bar span:nth-child(2){ background:#ffbd2e; opacity:.9;}
.terminal-bar span:nth-child(3){ background:#27c93f; opacity:.9;}
.terminal-bar p{ margin:0 0 0 12px; font-family:var(--font-mono); font-size:14px; color:var(--gray-400); }
.terminal-body{
  margin:0; padding:24px 22px 32px; min-height:280px; line-height:1.7;
  font-family:var(--font-mono); font-size:16px; color:#c9e6d4;
  white-space:pre-wrap; word-break:break-word;
}
.terminal-body .line-cmd{ color:var(--orange-400); }
.terminal-body .line-ok{ color:var(--success); }
.terminal-body .line-flag{ color:var(--white); background:rgba(246,151,31,0.16); padding:2px 4px; border-radius:4px; }
.cursor{ display:inline-block; width:9px; height:17px; background:var(--orange-400); vertical-align:middle; animation:blink 1s steps(1) infinite; }
@keyframes blink{ 50%{ opacity:0; } }

/* =========================== SECTIONS =========================== */
section{ padding:80px 0; }
.section-head{ max-width:680px; margin:0 auto 44px; text-align:center; }
.section-head .eyebrow{ color:var(--orange-600); }
.section-head h2{ font-size:clamp(26px,3vw,34px); }
.section-head p{ color:var(--blue-700); }
.section-head.align-left{ margin:0 0 44px; text-align:left; }

.section-alt{ background:var(--gray-100); }
.section-dark{ background:var(--blue-900); color:var(--white); }
.section-dark h1, .section-dark h2, .section-dark h3{ color:var(--white); }
.section-dark p{ color:var(--gray-100); }
.section-dark .eyebrow{ color:var(--orange-400); }
.section-dark .eyebrow::selection{ background:var(--orange-500); color:var(--white); }

/* =========================== BANNER MASCOT (laboratorios/ctfs/certificado) =========================== */
.page-banner-row{ display:flex; align-items:center; justify-content:space-between; gap:40px; }
.page-banner-text{ flex:1; min-width:0; }
.page-banner-mascot{
  position:relative; flex:none; width:170px; height:170px;
  display:flex; align-items:center; justify-content:center;
}
.page-banner-mascot-backdrop{
  position:absolute; left:50%; top:50%; transform:translate(-50%,-50%);
  width:170px; height:170px; border-radius:50%;
  background:var(--gray-100); box-shadow:var(--shadow-glass);
}
.page-banner-mascot img{
  position:relative; z-index:1; width:104px; height:auto;
  filter:drop-shadow(0 12px 22px rgba(0,0,0,0.4));
}
@media (max-width: 860px){
  .page-banner-mascot{ display:none; }
}

/* Problem / objectives */
.about-grid{
  display:grid; grid-template-columns:1fr 1fr; gap:40px; align-items:start;
}
.about-card{
  background:var(--glass-bg-strong); border-radius:var(--radius-xl); padding:28px;
  box-shadow:var(--shadow-glass); border:1px solid var(--glass-border);
  backdrop-filter:var(--glass-blur); -webkit-backdrop-filter:var(--glass-blur);
  transition:transform .2s ease, box-shadow .2s ease;
}
.about-card:hover{ transform:translateY(-4px); }
.about-card h3{ font-size:19px; display:flex; align-items:center; gap:10px; }
.about-card h3 .tag{
  font-family:var(--font-mono); font-size:11px; color:var(--orange-600);
  background:var(--orange-100); padding:3px 8px; border-radius:6px;
}
.objectives-list li{
  display:flex; gap:12px; padding:14px 0; border-top:1px dashed var(--gray-200);
}
.objectives-list li:first-child{ border-top:none; }
.objectives-list .bullet{
  flex:none; width:26px; height:26px; border-radius:50%;
  background:var(--blue-900); color:var(--orange-400);
  font-family:var(--font-mono); font-size:12px; font-weight:700;
  display:flex; align-items:center; justify-content:center;
}

/* Process steps */
.process{
  display:grid; grid-template-columns:repeat(3,1fr); gap:24px;
}
.process-step{
  background:var(--glass-bg-strong); border-radius:var(--radius-xl); padding:26px;
  border:1px solid var(--glass-border); position:relative;
  backdrop-filter:var(--glass-blur); -webkit-backdrop-filter:var(--glass-blur);
  box-shadow:var(--shadow-glass); transition:transform .2s ease;
}
.process-step:hover{ transform:translateY(-4px); }
.process-step .num{
  font-family:var(--font-mono); color:var(--orange-500); font-size:14px; font-weight:700;
  margin-bottom:10px; display:block;
}
.process-step h3{ font-size:18px; }
.process-step p{ color:var(--blue-700); font-size:14.5px; margin:0; }

/* Team */
.team-grid{
  display:grid; grid-template-columns:repeat(4,1fr); gap:20px;
}
.team-card{
  background:var(--glass-dark-bg); border-radius:var(--radius-xl); padding:22px;
  text-align:left; border:1px solid var(--glass-dark-border);
  backdrop-filter:var(--glass-blur); -webkit-backdrop-filter:var(--glass-blur);
  transition:transform .2s ease;
}
.team-card:hover{ transform:translateY(-4px); }
.team-card .avatar{
  width:44px; height:44px; border-radius:50%; margin-bottom:14px;
  background:linear-gradient(145deg, var(--orange-500), var(--blue-700));
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-mono); font-weight:700; color:var(--white);
}
.team-card h4{ color:var(--white); font-size:16px; margin-bottom:4px; }
.team-card span{ font-family:var(--font-mono); font-size:12px; color:var(--orange-400); }

.meta-strip{
  display:flex; flex-wrap:wrap; gap:10px 28px; justify-content:center;
  font-family:var(--font-mono); font-size:13px; color:var(--blue-700); margin-top:36px;
}
.meta-strip strong{ color:var(--blue-900); font-weight:600; }

/* =========================== FILTERS (reserved for future use) =========================== */
.filter-bar{
  display:flex; flex-wrap:wrap; gap:10px; margin-bottom:36px;
}
.filter-btn{
  padding:9px 16px; border-radius:9999px; font-size:13.5px; font-weight:600;
  background:var(--glass-bg-strong); border:1px solid var(--glass-border); color:var(--blue-800);
  backdrop-filter:var(--glass-blur); -webkit-backdrop-filter:var(--glass-blur);
  transition:all .15s ease;
}
.filter-btn:hover{ border-color:var(--orange-500); transform:translateY(-1px); }
.filter-btn.is-active{ background:var(--blue-900); color:var(--white); border-color:var(--blue-900); }

/* =========================== JOURNEY (labs & CTFs) =========================== */
.journey{
  position:relative;
  display:flex; flex-direction:column; gap:26px;
  max-width:820px; margin:0 auto;
}
.journey::before{
  content:''; position:absolute; left:27px; top:14px; bottom:14px; width:2px;
  background:repeating-linear-gradient(to bottom, var(--gray-200) 0 8px, transparent 8px 16px);
}
.journey-item{
  position:relative; display:flex; gap:22px; align-items:flex-start;
}
.journey-num{
  flex:none; width:56px; height:56px; border-radius:50%;
  background:var(--blue-900); color:var(--white);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-display); font-weight:700; font-size:20px;
  border:4px solid var(--gray-50); box-shadow:0 0 0 1px var(--gray-200);
  z-index:1;
}
.journey-item.is-solved .journey-num{ background:var(--success); }
.journey-card{
  flex:1; background:var(--glass-bg-strong); border-radius:var(--radius-xl);
  border:1px solid var(--glass-border); box-shadow:var(--shadow-glass);
  backdrop-filter:var(--glass-blur); -webkit-backdrop-filter:var(--glass-blur);
  overflow:hidden; transition:transform .2s ease;
}
.journey-card:hover{ transform:translateY(-3px); }

/* Lab (journey) card */
.lab-card{ display:flex; flex-direction:column; }
.lab-card .lab-media{
  aspect-ratio:21/9; background:linear-gradient(135deg, var(--blue-900), var(--blue-700));
  position:relative; display:flex; align-items:center; justify-content:center; cursor:pointer;
}
.lab-card .lab-media:focus-visible{ outline:3px solid var(--orange-500); outline-offset:-3px; }
.lab-card .lab-media::before{
  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:20px 20px;
}
.play-badge{
  position:relative; z-index:1;
  width:52px; height:52px; border-radius:50%;
  background:rgba(246,151,31,0.92); color:var(--blue-950);
  display:flex; align-items:center; justify-content:center; font-size:18px;
  transition:transform .15s ease;
}
.lab-card:hover .play-badge{ transform:scale(1.12); box-shadow:0 0 0 8px rgba(246,151,31,0.25); }
.lab-body{ padding:22px 24px 24px; display:flex; flex-direction:column; gap:10px; }
.badge-row{ display:flex; gap:8px; flex-wrap:wrap; }
.badge{
  font-family:var(--font-mono); font-size:11px; font-weight:600; letter-spacing:.02em;
  padding:4px 9px; border-radius:6px; text-transform:uppercase;
}
.badge-fund{ background:#e6edff; color:#4f63ad; }
.badge-herr{ background:var(--orange-100); color:var(--orange-600); }
.badge-ofen{ background:#ffe3e3; color:#c23b3b; }
.lab-body h3{ font-size:19px; margin-bottom:2px; }
.lab-body p{ color:var(--blue-700); font-size:14px; margin-bottom:6px; }
.lab-foot{ display:flex; align-items:center; justify-content:space-between; margin-top:6px; flex-wrap:wrap; gap:10px; }
.lab-time{ font-family:var(--font-mono); font-size:12px; color:var(--gray-400); }

/* CTF (journey) card */
.ctf-card{ padding:22px 24px; display:flex; flex-direction:column; gap:14px; }
.ctf-top{ display:flex; justify-content:space-between; align-items:flex-start; gap:10px; }
.ctf-cat{ font-family:var(--font-mono); font-size:11px; color:var(--blue-700); text-transform:uppercase; letter-spacing:.06em; }
.points{ font-family:var(--font-mono); font-weight:700; color:var(--orange-600); font-size:15px; white-space:nowrap; }
.difficulty{ font-size:11px; font-weight:700; padding:4px 10px; border-radius:9999px; text-transform:uppercase; letter-spacing:.04em; }
.diff-facil{ background:#e2f8ef; color:#1c9d6b; }
.diff-medio{ background:#fef1dc; color:#b8860b; }
.diff-dificil{ background:#ffe3e3; color:#c23b3b; }
.ctf-card h3{ font-size:19px; margin-bottom:0; }
.ctf-card p{ color:var(--blue-700); font-size:14px; margin-bottom:0; }
.flag-form{ display:flex; gap:8px; margin-top:4px; }
.flag-form input{
  flex:1; padding:11px 12px; border-radius:8px; border:1px solid var(--gray-200);
  font-family:var(--font-mono); font-size:13px; background:var(--gray-50); color:var(--blue-900);
}
.flag-form input:focus{ border-color:var(--orange-500); outline:none; }
.flag-msg{ font-size:12.5px; font-family:var(--font-mono); min-height:16px; }
.flag-msg.ok{ color:var(--success); }
.flag-msg.err{ color:var(--danger); }
.journey-item.is-solved .journey-card{ border-color:var(--success); background:#f4fffb; }
.solved-tag{ display:flex; align-items:center; gap:6px; color:var(--success); font-size:12.5px; font-weight:700; font-family:var(--font-mono); }

/* Glosario interactivo */
.glossary-term{
  border-bottom:1px dotted var(--orange-500); cursor:help; position:relative; color:inherit;
}
.glossary-term::after{
  content: attr(data-def);
  position:absolute; left:0; bottom:125%; transform:translateY(4px);
  width:240px; background:var(--blue-950); color:var(--white); font-size:12px; font-family:var(--font-body);
  padding:10px 12px; border-radius:8px; box-shadow:var(--shadow-card);
  opacity:0; pointer-events:none; transition:opacity .15s ease, transform .15s ease; line-height:1.4; z-index:20;
}
.glossary-term:hover::after, .glossary-term:focus::after{ opacity:1; transform:translateY(0); }

/* Expediente narrativo */
.story-banner{
  background:var(--glass-bg-strong); border-left:4px solid var(--sun-500); border-radius:0 var(--radius-xl) var(--radius-xl) 0;
  padding:18px 22px; margin-bottom:32px; box-shadow:var(--shadow-glass);
  backdrop-filter:var(--glass-blur); -webkit-backdrop-filter:var(--glass-blur);
  display:flex; gap:16px; align-items:flex-start;
}
.story-banner p{ color:var(--blue-800); }

/* Informe de incidente */
.report-block{ margin-top:6px; }
.report-block textarea{
  width:100%; padding:11px 12px; border-radius:8px; border:1px solid var(--gray-200);
  font-family:var(--font-body); font-size:13.5px; color:var(--blue-900); background:var(--gray-50);
  resize:vertical; min-height:70px;
}
.report-block textarea:focus{ border-color:var(--orange-500); outline:none; }

/* Autenticación: login / registro */
.auth-page{
  min-height:calc(100vh - 72px - 200px);
  display:flex; align-items:center; justify-content:center;
  background:radial-gradient(1200px 600px at 80% -10%, var(--blue-800), var(--blue-900) 55%, var(--blue-950));
  padding:60px 20px;
}
.auth-card{
  background:var(--glass-bg-strong); border-radius:var(--radius-xl); padding:36px 32px;
  max-width:420px; width:100%; box-shadow:0 30px 60px -20px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.5);
  border:1px solid var(--glass-border);
  backdrop-filter:var(--glass-blur); -webkit-backdrop-filter:var(--glass-blur);
}
.auth-mascot{ display:block; width:76px; height:auto; margin:-10px auto 10px; }
.auth-card h1{ font-size:23px; margin-bottom:6px; }
.auth-card .sub{ color:var(--blue-700); font-size:14px; margin-bottom:24px; }
.auth-field{ margin-bottom:16px; }
.auth-field label{ display:block; font-size:13px; color:var(--blue-700); margin-bottom:6px; }
.auth-field input{
  width:100%; padding:11px 14px; border-radius:8px; border:1px solid var(--gray-200);
  font-family:var(--font-body); font-size:14px; color:var(--blue-900);
}
.auth-field input:focus{ border-color:var(--orange-500); outline:none; }
.auth-otp-input{ letter-spacing:8px; font-family:var(--font-mono); font-size:20px; text-align:center; }
.auth-actions{ margin-top:22px; }
.auth-actions .btn{ width:100%; justify-content:center; }
.auth-switch{ margin-top:18px; text-align:center; font-size:13.5px; color:var(--blue-700); }
.auth-switch a{ color:var(--orange-600); font-weight:600; }
.auth-row{ display:grid; grid-template-columns:1fr 1fr; gap:12px; }
@media (max-width:520px){ .auth-row{ grid-template-columns:1fr; gap:0; } }
.pw-meter{ height:6px; border-radius:9999px; background:var(--gray-100); margin-top:8px; overflow:hidden; }
.pw-meter span{ display:block; height:100%; width:0; background:var(--danger); transition:width .2s ease, background .2s ease; }
.pw-meter span[data-score="2"]{ background:var(--warning); }
.pw-meter span[data-score="3"]{ background:var(--orange-500); }
.pw-meter span[data-score="4"]{ background:var(--success); }
.pw-hint{ font-size:12px; color:var(--blue-700); margin-top:6px; opacity:.85; }
.auth-error{ color:var(--danger); font-size:13px; margin-top:8px; min-height:16px; }
.auth-resend{ text-align:center; margin-top:14px; font-size:13px; }
.auth-resend button{ background:none; border:none; color:var(--orange-600); font-weight:600; cursor:pointer; font-size:13px; padding:0; }

/* Barra de sesión (páginas protegidas) */
.session-bar{
  display:none; background:rgba(13,19,41,0.75); border-bottom:1px solid rgba(255,255,255,0.08);
  backdrop-filter:var(--glass-blur); -webkit-backdrop-filter:var(--glass-blur);
}
.session-bar-inner{
  display:flex; align-items:center; justify-content:flex-end; gap:14px; padding:8px 24px;
}
.session-email{ font-family:var(--font-mono); font-size:12.5px; color:var(--gray-400); }
.session-bar-inner .btn{ padding:6px 14px; font-size:12.5px; }

.auth-banner-error{
  position:fixed; top:0; left:0; right:0; z-index:999;
  background:var(--danger); color:var(--white); text-align:center;
  padding:12px 20px; font-family:var(--font-mono); font-size:13px;
}

/* Progress tracker */
.progress-box{
  display:flex; align-items:center; justify-content:space-between; gap:24px;
  background:var(--glass-dark-bg); color:var(--white); border-radius:var(--radius-xl);
  border:1px solid var(--glass-dark-border);
  backdrop-filter:var(--glass-blur); -webkit-backdrop-filter:var(--glass-blur);
  box-shadow:var(--shadow-glass);
  padding:22px 26px; margin-bottom:14px; flex-wrap:wrap;
}
.progress-box .p-title{ font-family:var(--font-mono); font-size:12px; color:var(--gray-400); text-transform:uppercase; letter-spacing:.08em;}
.progress-box .p-score{ font-family:var(--font-display); font-size:28px; color:var(--white); }
.progress-track{
  flex:1; min-width:180px; height:10px; background:rgba(255,255,255,0.12); border-radius:9999px; overflow:hidden;
}
.progress-fill{ height:100%; background:linear-gradient(90deg, var(--orange-600), var(--sun-500)); width:0%; transition:width .4s ease; }

/* Modal (lab preview) */
.modal-overlay{
  position:fixed; inset:0; background:rgba(13,19,41,0.68);
  display:none; align-items:center; justify-content:center; z-index:200; padding:20px;
}
.modal-overlay.is-open{ display:flex; }
.modal{
  background:var(--glass-bg-strong); border-radius:var(--radius-xl); max-width:560px; width:100%;
  max-height:88vh; overflow-y:auto; padding:0; border:1px solid var(--glass-border);
  backdrop-filter:var(--glass-blur); -webkit-backdrop-filter:var(--glass-blur);
  box-shadow:0 30px 70px -20px rgba(0,0,0,0.5);
}
.modal-media{
  aspect-ratio:16/9; background:linear-gradient(135deg, var(--blue-900), var(--blue-700));
  display:flex; align-items:center; justify-content:center; border-radius:var(--radius-xl) var(--radius-xl) 0 0;
}
.modal-body{ padding:26px; }
.modal-body h3{ font-size:21px; }
.modal-close{
  position:absolute; top:14px; right:14px; background:rgba(13,19,41,0.55); color:var(--white);
  border:none; width:34px; height:34px; border-radius:50%; font-size:16px;
}
.modal{ position:relative; }
.modal-checklist{ margin:14px 0 20px; }
.modal-checklist li{ display:flex; gap:10px; padding:6px 0; font-size:14px; color:var(--blue-800); }
.modal-checklist li::before{ content:'✓'; color:var(--success); font-weight:700; }
.modal-actions{ display:flex; gap:12px; }

/* Terminal modal (consola Linux real por reto) */
.term-modal-overlay{
  position:fixed; inset:0; background:rgba(13,19,41,0.78);
  display:none; align-items:center; justify-content:center; z-index:300; padding:18px;
}
.term-modal-overlay.is-open{ display:flex; }
.term-modal{
  background:#0d1329; border-radius:var(--radius-xl); width:100%; max-width:860px;
  border:1px solid rgba(255,255,255,0.1); box-shadow:0 30px 70px -20px rgba(0,0,0,0.6);
  display:flex; flex-direction:column; max-height:86vh; overflow:hidden;
}
.term-modal-head{
  display:flex; align-items:center; justify-content:space-between; gap:10px;
  padding:14px 18px; border-bottom:1px solid rgba(255,255,255,0.08);
}
.term-modal-title{ font-family:var(--font-mono); color:var(--white); font-size:14px; font-weight:600; }
.term-modal-head-actions{ display:flex; align-items:center; gap:14px; }
.term-modal-status{ font-family:var(--font-mono); font-size:12px; color:var(--gray-400); text-transform:uppercase; letter-spacing:.06em; }
.term-modal-status.is-ok{ color:var(--success); }
.term-modal-status.is-wait{ color:var(--orange-400); }
.term-modal-status.is-error{ color:#ff6b6b; }
.term-modal-close{
  background:rgba(255,255,255,0.08); color:var(--white); border:none;
  width:30px; height:30px; border-radius:50%; font-size:14px; cursor:pointer;
}
.term-modal-body{ padding:0; background:#0d1329; flex:1; overflow:hidden; }
.term-mount{ padding:12px; height:420px; }
.term-mount .xterm{ height:100%; }
.term-modal-foot{
  display:flex; align-items:center; justify-content:space-between; gap:14px; flex-wrap:wrap;
  padding:12px 18px; border-top:1px solid rgba(255,255,255,0.08);
}
.term-modal-hint{ font-size:12px; color:var(--gray-400); max-width:460px; }
.btn-danger-outline{
  background:transparent; border:1px solid rgba(255,107,107,0.5); color:#ff6b6b;
  padding:9px 18px; border-radius:9999px; font-size:13px; cursor:pointer;
}
.btn-danger-outline:hover{ background:rgba(255,107,107,0.12); }

/* Chatbot de pistas (asistente guionado, sin IA, por reto) */
.hints-modal-overlay{
  position:fixed; inset:0; background:rgba(13,19,41,0.78);
  display:none; align-items:center; justify-content:center; z-index:300; padding:18px;
}
.hints-modal-overlay.is-open{ display:flex; }
.hints-modal{
  background:var(--white); border-radius:var(--radius-xl); width:100%; max-width:420px;
  box-shadow:0 30px 70px -20px rgba(0,0,0,0.5);
  display:flex; flex-direction:column; max-height:80vh; overflow:hidden;
}
.hints-modal-head{
  display:flex; align-items:center; justify-content:space-between; gap:10px;
  padding:14px 18px; background:var(--blue-900); color:var(--white);
}
.hints-modal-title{ font-size:14px; font-weight:700; display:flex; align-items:center; gap:8px; }
.hints-modal-close{
  background:rgba(255,255,255,0.12); color:var(--white); border:none;
  width:28px; height:28px; border-radius:50%; font-size:13px; cursor:pointer; flex-shrink:0;
}
.hints-modal-body{ padding:16px 18px; overflow-y:auto; flex:1; display:flex; flex-direction:column; gap:10px; background:var(--gray-50, #f7f8fc); }
.hints-msg{ max-width:88%; padding:10px 14px; border-radius:14px; font-size:14px; line-height:1.45; }
.hints-msg-bot{ background:var(--white); border:1px solid var(--gray-100); color:var(--blue-900); align-self:flex-start; border-bottom-left-radius:4px; }
.hints-msg-user{ background:var(--orange-500); color:var(--blue-950); align-self:flex-end; border-bottom-right-radius:4px; font-weight:600; }
.hints-modal-foot{ padding:12px 18px; border-top:1px solid var(--gray-100); display:flex; flex-direction:column; gap:8px; }
.hints-option-btn{
  display:block; width:100%; text-align:left; padding:10px 14px; border-radius:12px;
  border:1px solid var(--gray-200); background:var(--white); color:var(--blue-900);
  font:inherit; font-size:13.5px; cursor:pointer; transition:border-color .15s ease, background .15s ease;
}
.hints-option-btn:hover{ border-color:var(--orange-500); background:rgba(246,151,31,0.08); }
@media (max-width:600px){
  .term-mount{ height:320px; }
}


/* =========================== PERSONAJES DECORATIVOS =========================== */
section, .site-footer, .auth-page{ position:relative; isolation:isolate; }
.section-head{ position:relative; }
.deco{
  position:absolute; z-index:-1; height:auto; pointer-events:none; user-select:none;
  filter:drop-shadow(0 10px 16px rgba(13,19,41,0.22));
}
.deco.on-dark{ filter:drop-shadow(0 0 2px rgba(255,255,255,0.95)) drop-shadow(0 8px 14px rgba(0,0,0,0.35)); }
@media (max-width: 1180px){
  .section-head .deco{ display:none; }
}
@media (max-width: 1000px){
  .deco{ display:none; }
}

/* =========================== FOOTER =========================== */
.site-footer{ background:var(--blue-950); color:var(--gray-400); padding:48px 0 28px; }
.footer-inner{ display:flex; justify-content:space-between; gap:24px; flex-wrap:wrap; align-items:flex-start; }
.footer-inner p{ font-size:13.5px; margin:6px 0 0; }
.footer-meta{ text-align:right; }
.footer-meta p{ font-family:var(--font-mono); }
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.08); margin-top:34px; padding-top:20px;
  font-size:12.5px; text-align:center; font-family:var(--font-mono);
}

/* =========================== RESPONSIVE =========================== */
@media (max-width: 900px){
  .hero-inner{ grid-template-columns:1fr; }
  .about-grid{ grid-template-columns:1fr; }
  .process{ grid-template-columns:1fr; }
  .team-grid{ grid-template-columns:repeat(2,1fr); }
  .footer-inner{ flex-direction:column; }
  .footer-meta{ text-align:left; }
}
@media (max-width: 720px){
  .main-nav{
    position:absolute; top:72px; left:0; right:0; background:var(--blue-900);
    flex-direction:column; padding:12px; gap:2px; border-bottom:1px solid rgba(255,255,255,0.08);
    display:none;
  }
  .main-nav.is-open{ display:flex; }
  .nav-toggle{ display:flex; margin-left:6px; }
  .lang-toggle{ margin-left:auto; }
  .team-grid{ grid-template-columns:1fr; }
  .journey::before{ left:23px; }
  .journey-num{ width:48px; height:48px; font-size:17px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .cursor{ animation:none; }
  .btn:hover, .lab-card:hover .play-badge{ transform:none; }
  .bg-blobs span, .hero-sun, .hero-orb, .hero-mascot-glow, .hero-mascot-img{ animation:none; }
}

/* Si el navegador no soporta blur de fondo, que las tarjetas se vean
   sólidas en vez de semitransparentes (si no, se leerían mal). */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))){
  .about-card, .process-step, .journey-card, .auth-card, .modal,
  .story-banner, .filter-btn{ background:var(--white); }
  .team-card, .progress-box, .session-bar, .site-header{ background:var(--blue-900); }
}