/* =========================================================================
   ctf-labs-v2.css — Estilos modernos para /ctf-labs/ y /en/ctf-labs/
   Carga solo en estas páginas via {% block extra_head %}
   ========================================================================= */

/* ---------- Hero ---------- */
.ctf-hero{
  position: relative;
  padding: 44px 40px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background:
    radial-gradient(ellipse at 0% 0%, rgba(34,197,94,.14), transparent 55%),
    radial-gradient(ellipse at 100% 100%, rgba(34,211,238,.12), transparent 55%),
    var(--panel);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.ctf-hero::before{
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(34,211,238,.35), transparent 35%, rgba(34,197,94,.35));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: .55;
}
.ctf-hero-kicker{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(34,211,238,.3);
  background: rgba(34,211,238,.08);
  color: var(--brand2);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 18px;
}
.ctf-hero-kicker .dot{
  width: 8px; height: 8px;
  border-radius: 999px;
  background: var(--brand2);
  box-shadow: 0 0 12px var(--brand2);
  animation: ctfPulse 2s ease-in-out infinite;
}
@keyframes ctfPulse{
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .6; transform: scale(1.2); }
}
.ctf-hero h1{
  font-size: clamp(28px, 3.6vw, 44px);
  line-height: 1.12;
  margin: 0 0 16px;
  max-width: 24ch;
}
.ctf-hero h1 span{
  background: linear-gradient(120deg, var(--brand), var(--brand2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.ctf-hero-lead{
  color: var(--muted);
  line-height: 1.75;
  font-size: 17px;
  max-width: 60ch;
  margin: 0 0 22px;
}
.ctf-hero-lead strong{ color: var(--text); font-weight: 600; }

.ctf-hero-actions{
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 24px 0 0;
}

/* Stats row */
.ctf-hero-stats{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
  max-width: 520px;
}
@media (max-width: 720px){ .ctf-hero-stats{ grid-template-columns: 1fr; } }

/* Variante: una sola stat */
.ctf-hero-stats--single{
  grid-template-columns: minmax(220px, 340px);
}
@media (max-width: 720px){
  .ctf-hero-stats--single{ grid-template-columns: 1fr; }
}

.ctf-stat{
  padding: 18px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(18,22,35,.55);
  position: relative;
  overflow: hidden;
}
.ctf-stat::before{
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 100%;
  background: linear-gradient(180deg, var(--brand), var(--brand2));
}
.ctf-stat-k{
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}
.ctf-stat-v{
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 800;
  line-height: 1;
  color: var(--text);
}
.ctf-stat-v .unit{
  font-size: .55em;
  color: var(--muted);
  font-weight: 500;
  margin-left: 4px;
}

/* ---------- Section heading ---------- */
.ctf-head{
  text-align: center;
  margin-bottom: 26px;
}
.ctf-head-eyebrow{
  display: block;
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--brand2);
  font-weight: 700;
  margin-bottom: 6px;
}
.ctf-head h2{
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1.18;
  margin: 0;
}
.ctf-head p{
  color: var(--muted);
  font-size: 16px;
  max-width: 68ch;
  margin: 10px auto 0;
  line-height: 1.65;
}

/* ---------- Intro card ---------- */
.ctf-intro{
  position: relative;
  padding: 32px 32px;
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(34,211,238,.04), transparent 60%),
    var(--panel);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}
.ctf-intro::before{
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 240px; height: 100%;
  background: radial-gradient(ellipse at 0% 50%, rgba(34,197,94,.12), transparent 70%);
  pointer-events: none;
}
.ctf-intro h2{
  font-size: clamp(22px, 2.5vw, 28px);
  line-height: 1.2;
  margin: 0 0 14px;
  position: relative;
}
.ctf-intro p{
  color: var(--muted);
  line-height: 1.75;
  margin: 10px 0;
  max-width: 72ch;
  position: relative;
}
.ctf-intro p strong{ color: var(--text); font-weight: 600; }

/* ---------- Vulnerability cards (las técnicas) ---------- */
.ctf-vulns{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
@media (max-width: 960px){ .ctf-vulns{ grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px){ .ctf-vulns{ grid-template-columns: 1fr; } }

.ctf-vuln{
  position: relative;
  padding: 22px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--panel);
  overflow: hidden;
  transition: border-color .25s ease, transform .25s ease;
}
.ctf-vuln:hover{
  border-color: rgba(34,211,238,.3);
  transform: translateY(-3px);
}
.ctf-vuln-tag{
  display: inline-flex;
  align-items: center;
  font-family: ui-monospace, "JetBrains Mono", "SF Mono", Menlo, monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--brand2);
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 5px;
  background: rgba(34,211,238,.08);
  border: 1px solid rgba(34,211,238,.22);
  margin-bottom: 12px;
}
.ctf-vuln h3{
  margin: 0 0 8px;
  font-size: 17px;
  line-height: 1.3;
}
.ctf-vuln p{
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

/* ---------- "Cómo funciona" — pasos ---------- */
.ctf-steps{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
@media (max-width: 960px){ .ctf-steps{ grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px){ .ctf-steps{ grid-template-columns: 1fr; } }

.ctf-step{
  padding: 22px 20px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--panel);
  position: relative;
  overflow: hidden;
  transition: border-color .25s ease, transform .25s ease;
}
.ctf-step:hover{
  border-color: rgba(34,211,238,.28);
  transform: translateY(-3px);
}
.ctf-step-num{
  position: absolute;
  top: -10px;
  right: -4px;
  font-size: 72px;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(180deg, rgba(34,211,238,.14), rgba(34,197,94,.03));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  user-select: none;
  pointer-events: none;
}
.ctf-step h3{
  margin: 0 0 6px;
  font-size: 16px;
  line-height: 1.25;
  position: relative;
}
.ctf-step p{
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
  position: relative;
}

/* ---------- Niveles de dificultad ---------- */
.ctf-levels{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
@media (max-width: 780px){ .ctf-levels{ grid-template-columns: 1fr; } }

.ctf-level{
  padding: 26px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background:
    linear-gradient(180deg, rgba(255,255,255,.02), transparent 60%),
    var(--panel);
  position: relative;
  overflow: hidden;
  transition: transform .25s ease, border-color .25s ease;
}
.ctf-level:hover{
  transform: translateY(-3px);
  border-color: rgba(34,211,238,.3);
}
.ctf-level[data-level="easy"]::before{
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: linear-gradient(180deg, var(--brand), #84cc16);
}
.ctf-level[data-level="medium"]::before{
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: linear-gradient(180deg, #f59e0b, #fbbf24);
}
.ctf-level[data-level="hard"]::before{
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: linear-gradient(180deg, #ef4444, #f97316);
}

.ctf-level-tag{
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 12px;
}
.ctf-level[data-level="easy"] .ctf-level-tag{
  background: rgba(34,197,94,.1);
  border: 1px solid rgba(34,197,94,.32);
  color: var(--brand);
}
.ctf-level[data-level="medium"] .ctf-level-tag{
  background: rgba(245,158,11,.1);
  border: 1px solid rgba(245,158,11,.32);
  color: #f59e0b;
}
.ctf-level[data-level="hard"] .ctf-level-tag{
  background: rgba(239,68,68,.1);
  border: 1px solid rgba(239,68,68,.32);
  color: #ef4444;
}
.ctf-level h3{
  margin: 0 0 8px;
  font-size: 19px;
  line-height: 1.25;
}
.ctf-level p{
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.65;
}

/* ---------- Tabla comparativa "qué es / qué no es" ---------- */
.ctf-compare{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
@media (max-width: 780px){ .ctf-compare{ grid-template-columns: 1fr; } }

.ctf-compare-col{
  padding: 24px 22px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--panel);
}
.ctf-compare-col h3{
  margin: 0 0 14px;
  font-size: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.ctf-compare-col h3 .icon{
  display: inline-flex;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
}
.ctf-compare-yes h3 .icon{
  background: rgba(34,197,94,.15);
  color: var(--brand);
  border: 1px solid rgba(34,197,94,.4);
}
.ctf-compare-no h3 .icon{
  background: rgba(239,68,68,.12);
  color: #ef4444;
  border: 1px solid rgba(239,68,68,.32);
}

.ctf-compare-list{
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.ctf-compare-list li{
  position: relative;
  padding: 8px 0 8px 28px;
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.6;
  border-bottom: 1px solid rgba(255,255,255,.05);
}
.ctf-compare-list li:last-child{ border-bottom: 0; }
.ctf-compare-yes .ctf-compare-list li::before{
  content: "";
  position: absolute;
  top: 13px;
  left: 4px;
  width: 11px;
  height: 6px;
  border-left: 2px solid var(--brand);
  border-bottom: 2px solid var(--brand);
  transform: rotate(-45deg);
}
.ctf-compare-no .ctf-compare-list li::before{
  content: "×";
  position: absolute;
  top: 5px;
  left: 4px;
  font-size: 18px;
  font-weight: 800;
  color: #ef4444;
  line-height: 1;
}

/* ---------- Sección "ética y legalidad" ---------- */
.ctf-legal{
  position: relative;
  padding: 30px 32px;
  border-radius: var(--radius);
  border: 1px solid rgba(34,211,238,.22);
  background:
    radial-gradient(ellipse at 100% 0%, rgba(34,211,238,.08), transparent 55%),
    var(--panel);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 22px;
  align-items: center;
}
@media (max-width: 720px){
  .ctf-legal{ grid-template-columns: 1fr; padding: 24px 22px; }
}
.ctf-legal-ico{
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(34,211,238,.16), rgba(34,197,94,.12));
  border: 1px solid rgba(34,211,238,.28);
  display: grid;
  place-items: center;
  font-size: 28px;
}
.ctf-legal h3{
  margin: 0 0 6px;
  font-size: 18px;
}
.ctf-legal p{
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.65;
}

/* ---------- Bridge a cursos ---------- */
.ctf-bridge{
  position: relative;
  padding: 30px 32px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background:
    linear-gradient(120deg, rgba(34,211,238,.06), rgba(34,197,94,.04) 40%, transparent 70%),
    var(--panel);
  box-shadow: var(--shadow-soft);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  overflow: hidden;
}
@media (max-width: 780px){
  .ctf-bridge{ grid-template-columns: 1fr; padding: 26px 22px; }
}
.ctf-bridge::before{
  content: "";
  position: absolute;
  top: 0; right: 0;
  width: 45%;
  height: 100%;
  background: radial-gradient(circle at 80% 50%, rgba(34,211,238,.1), transparent 60%);
  pointer-events: none;
}
.ctf-bridge h2{
  margin: 0 0 8px;
  font-size: clamp(22px, 2.3vw, 28px);
  line-height: 1.2;
  position: relative;
}
.ctf-bridge p{
  margin: 0 0 6px;
  color: var(--muted);
  line-height: 1.7;
  max-width: 60ch;
  position: relative;
}
.ctf-bridge .ctf-bridge-actions{
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  position: relative;
}

/* ---------- FAQ (mismo look que home/academia/cursos) ---------- */
.ctf-faq{
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.ctf-faq details{
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(18,22,35,.45);
  overflow: hidden;
  transition: border-color .25s ease, background .25s ease;
}
.ctf-faq details[open]{
  border-color: rgba(34,211,238,.28);
  background: rgba(18,22,35,.65);
}
.ctf-faq summary{
  list-style: none;
  cursor: pointer;
  padding: 18px 56px 18px 22px;
  font-weight: 600;
  font-size: 16px;
  color: var(--text);
  position: relative;
  user-select: none;
}
.ctf-faq summary::-webkit-details-marker{ display: none; }
.ctf-faq summary::after{
  content: "";
  position: absolute;
  top: 50%;
  right: 22px;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: translateY(-70%) rotate(45deg);
  transition: transform .25s ease, border-color .25s ease;
}
.ctf-faq details[open] summary::after{
  transform: translateY(-30%) rotate(-135deg);
  border-color: var(--brand2);
}
.ctf-faq-body{
  padding: 0 22px 20px;
  color: var(--muted);
  line-height: 1.7;
  font-size: 15px;
}

/* ---------- CTA final ---------- */
.ctf-cta{
  padding: 36px 32px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background:
    radial-gradient(ellipse at 20% 20%, rgba(34,197,94,.1), transparent 55%),
    radial-gradient(ellipse at 80% 80%, rgba(34,211,238,.1), transparent 55%),
    var(--panel);
  display: flex;
  gap: 22px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}
.ctf-cta h2{
  margin: 0 0 6px;
  font-size: clamp(22px, 2.4vw, 28px);
}
.ctf-cta p{
  margin: 0;
  color: var(--muted);
  max-width: 56ch;
}
.ctf-cta-actions{ display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- Mobile fine-tune ---------- */
@media (max-width: 560px){
  .ctf-hero{ padding: 28px 22px; }
  .ctf-intro{ padding: 24px 22px; }
  .ctf-vuln{ padding: 20px 18px; }
  .ctf-step{ padding: 20px 18px; }
  .ctf-step-num{ font-size: 56px; }
  .ctf-level{ padding: 22px 20px; }
  .ctf-compare-col{ padding: 22px 20px; }
  .ctf-bridge{ padding: 24px 20px; }
  .ctf-cta{ padding: 26px 22px; }
  .ctf-faq summary{ padding: 16px 48px 16px 18px; font-size: 15px; }
  .ctf-faq-body{ padding: 0 18px 18px; font-size: 14.5px; }
}


/* =========================================================================
   PREMIUM ANIMATIONS LAYER
   ========================================================================= */

/* ---------- Reveal on scroll ---------- */
.ctf-reveal{
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s cubic-bezier(.2,.7,.2,1),
              transform .7s cubic-bezier(.2,.7,.2,1);
  will-change: opacity, transform;
}
.ctf-reveal.is-revealed{
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Hero particles canvas ---------- */
.ctf-hero{
  position: relative;
  z-index: 0;
}
.ctf-hero-particles{
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: .6;
  border-radius: var(--radius);
}
.ctf-hero > *:not(.ctf-hero-particles){
  position: relative;
  z-index: 1;
}

/* ---------- Hero grid layout para meter terminal ---------- */
.ctf-hero-grid{
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 36px;
  align-items: center;
}
@media (max-width: 980px){
  .ctf-hero-grid{ grid-template-columns: 1fr; gap: 28px; }
}

/* ---------- Terminal animado ---------- */
.ctf-terminal{
  position: relative;
  background: rgba(10,13,24,.85);
  border: 1px solid rgba(34,211,238,.22);
  border-radius: 12px;
  overflow: hidden;
  box-shadow:
    0 18px 50px rgba(0,0,0,.6),
    0 0 30px rgba(34,211,238,.08);
  font-family: ui-monospace, "JetBrains Mono", "SF Mono", Menlo, monospace;
  min-height: 280px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.ctf-terminal-bar{
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: rgba(255,255,255,.04);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.ctf-terminal-bar .dot{
  width: 11px;
  height: 11px;
  border-radius: 999px;
}
.ctf-terminal-bar .dot.r{ background: #ef4444; }
.ctf-terminal-bar .dot.y{ background: #f59e0b; }
.ctf-terminal-bar .dot.g{ background: #22c55e; }
.ctf-terminal-bar .name{
  margin-left: 8px;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: .04em;
}

.ctf-terminal-out{
  padding: 16px 18px 18px;
  font-size: 13.5px;
  line-height: 1.7;
  min-height: 210px;
  max-height: 300px;
  overflow: hidden;
}

.ctf-terminal-line{
  white-space: pre-wrap;
  word-break: break-all;
  position: relative;
  margin-bottom: 2px;
}
.ctf-terminal-line.cmd{
  color: var(--text);
}
.ctf-terminal-line.cmd::after{
  content: "▊";
  display: inline-block;
  margin-left: 2px;
  color: var(--brand2);
  animation: ctfCaret .9s steps(2) infinite;
}
.ctf-terminal-line.ok{ color: var(--brand); }
.ctf-terminal-line.flag{
  color: var(--brand2);
  font-weight: 700;
  text-shadow: 0 0 10px rgba(34,211,238,.4);
}
.ctf-terminal-line.blood{
  color: #ef4444;
  font-weight: 700;
  text-shadow: 0 0 10px rgba(239,68,68,.4);
}
@keyframes ctfCaret{
  50% { opacity: 0; }
}

/* ---------- Vulnerability cards: ajustes para tilt ---------- */
.ctf-vuln, .ctf-level, .ctf-step{
  transform-style: preserve-3d;
  transition: box-shadow .3s ease, border-color .3s ease;
}
.ctf-vuln:hover, .ctf-level:hover, .ctf-step:hover{
  border-color: rgba(34,211,238,.35);
  box-shadow:
    0 24px 60px rgba(0,0,0,.5),
    0 0 30px rgba(34,211,238,.1);
}

/* ---------- Glow extra en stats hero (más vivo) ---------- */
.ctf-stat-v{
  background: linear-gradient(120deg, var(--text) 0%, var(--brand2) 70%, var(--brand) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Botón primary del hero con efecto extra ---------- */
.ctf-hero .btn.btn-primary{
  position: relative;
  overflow: hidden;
}
.ctf-hero .btn.btn-primary::before{
  content: "";
  position: absolute;
  top: 0; left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(120deg,
    transparent,
    rgba(255,255,255,.25),
    transparent
  );
  transition: left .8s ease;
}
.ctf-hero .btn.btn-primary:hover::before{
  left: 100%;
}

/* ---------- Reduced motion: desactivar todo ---------- */
@media (prefers-reduced-motion: reduce) {
  .ctf-reveal{ opacity: 1; transform: none; transition: none; }
  .ctf-terminal-line.cmd::after{ animation: none; }
  .ctf-hero-particles{ display: none; }
}