/* ===== Escuela Comunica — estilos globales ===== */
:root{
  --bg:#0b0d12;
  --bg-soft:#11141c;
  --card:#161a24;
  --card-2:#1b2030;
  --line:rgba(255,255,255,.08);
  --text:#eef1f7;
  --muted:#9aa3b5;
  --brand:#ff5a3c;       /* naranja cámara/REC */
  --brand-2:#ffb43c;     /* ámbar luz */
  --accent:#4cc4ff;      /* azul audio */
  --accent-2:#a06bff;    /* violeta */
  --ok:#2ecc8f;
  --radius:18px;
  --shadow:0 20px 50px -20px rgba(0,0,0,.7);
  --grad:linear-gradient(120deg,var(--brand),var(--brand-2));
  --grad-cool:linear-gradient(120deg,var(--accent),var(--accent-2));
  --maxw:1140px;
  --font:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--text);
  background:
    radial-gradient(900px 500px at 80% -10%,rgba(255,90,60,.18),transparent 60%),
    radial-gradient(700px 500px at -10% 20%,rgba(76,196,255,.14),transparent 55%),
    var(--bg);
  line-height:1.6;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.section{padding:72px 0}
.muted{color:var(--muted)}
.center{text-align:center}

/* chips / badges */
.chip{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:600;
  padding:6px 12px;border-radius:999px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);color:var(--muted)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(255,90,60,.18);
  animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

/* ===== NAV ===== */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);
  background:rgba(11,13,18,.72);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.02em}
.brand .logo{width:34px;height:34px;border-radius:10px;background:var(--grad);
  display:grid;place-items:center;font-size:18px;box-shadow:0 6px 18px -6px var(--brand)}
.brand small{display:block;font-size:.62rem;font-weight:600;color:var(--muted);letter-spacing:.04em}
.links{display:flex;gap:6px;align-items:center}
.links a{padding:9px 14px;border-radius:10px;font-weight:600;font-size:.92rem;color:var(--muted);transition:.2s}
.links a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.links a.active{color:var(--text)}
.links a.active::after{content:"";display:block;height:2px;border-radius:2px;margin-top:5px;background:var(--grad)}
.nav-cta{background:var(--grad);color:#1a0c08 !important;font-weight:700}
.nav-cta:hover{filter:brightness(1.08)}
.burger{display:none;background:none;border:0;color:var(--text);font-size:1.5rem;cursor:pointer}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;gap:9px;padding:13px 22px;border-radius:12px;
  font-weight:700;font-size:.95rem;cursor:pointer;border:1px solid transparent;transition:.2s;will-change:transform}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--grad);color:#1a0c08;box-shadow:0 14px 30px -12px var(--brand)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line);color:var(--text)}
.btn-ghost:hover{background:rgba(255,255,255,.08)}

/* ===== HERO ===== */
.hero{position:relative;overflow:hidden;padding:96px 0 72px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
/* Sin esto, un hijo con texto nowrap fija el ancho mínimo de la columna
   y desborda/recorta el hero en pantallas chicas. */
.hero-grid>*{min-width:0}
.hero h1{font-size:clamp(2.3rem,5vw,3.7rem);line-height:1.05;letter-spacing:-.03em;margin:.4em 0 .3em}
.hero h1 .g{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:1.13rem;color:var(--muted);max-width:48ch}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.lema{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.lema span{font-size:.82rem;font-weight:600;color:var(--text);padding:7px 13px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.03)}

/* visual card del hero */
.hero-card{position:relative;border-radius:24px;padding:26px;background:
  linear-gradient(180deg,var(--card-2),var(--card));border:1px solid var(--line);box-shadow:var(--shadow)}
.hero-card .frame{aspect-ratio:16/10;border-radius:16px;background:
  radial-gradient(120% 120% at 30% 10%,rgba(255,180,60,.25),transparent 50%),
  linear-gradient(135deg,#20131a,#0e1422);
  border:1px solid var(--line);position:relative;overflow:hidden;display:grid;place-items:center}
.hero-card .rec{position:absolute;top:14px;left:14px;display:flex;align-items:center;gap:7px;
  font-size:.72rem;font-weight:700;letter-spacing:.1em;color:#ff7a5e}
.hero-card .play{width:74px;height:74px;border-radius:50%;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.25);display:grid;place-items:center;font-size:26px;backdrop-filter:blur(4px)}
.hero-card .bars{position:absolute;bottom:18px;left:18px;right:18px;display:flex;gap:4px;align-items:flex-end;height:38px}
.hero-card .bars i{flex:1;background:linear-gradient(var(--accent),var(--accent-2));border-radius:3px;opacity:.85;
  animation:eq 1.1s ease-in-out infinite}
@keyframes eq{0%,100%{height:18%}50%{height:100%}}
.hero-card .frame{cursor:pointer;text-decoration:none}
.hero-card .meta{display:flex;justify-content:space-between;gap:12px;margin-top:16px;font-size:.8rem;color:var(--muted)}
.hero-card .meta #hero-video-title{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--text);font-weight:600;min-width:0;flex:1}
.hero-card .meta span:last-child{flex:none;color:#ff5a5a;font-weight:700}

/* ===== SECTION HEAD ===== */
.head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:34px;flex-wrap:wrap}
.head h2{font-size:clamp(1.7rem,3.4vw,2.4rem);letter-spacing:-.02em;margin:.2em 0}
.head .eyebrow{color:var(--brand-2);font-weight:700;font-size:.82rem;letter-spacing:.12em;text-transform:uppercase}

/* ===== GRID / CARDS ===== */
.grid{display:grid;gap:20px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.card{background:linear-gradient(180deg,var(--card-2),var(--card));border:1px solid var(--line);
  border-radius:var(--radius);padding:22px;transition:.25s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.18)}
.card .ico{width:50px;height:50px;border-radius:13px;display:grid;place-items:center;font-size:24px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);margin-bottom:14px}
.card h3{margin:.2em 0;font-size:1.18rem;letter-spacing:-.01em}
.card .tag{font-size:.74rem;font-weight:700;color:var(--brand-2);text-transform:uppercase;letter-spacing:.08em}

/* summary boxes (home) */
.summary{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;text-align:center}
.stat b{display:block;font-size:1.9rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{font-size:.82rem;color:var(--muted)}

/* AI summary panel */
.panel{background:
  linear-gradient(180deg,rgba(160,107,255,.10),transparent),var(--card);
  border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.panel .row{display:flex;align-items:center;gap:10px;color:var(--accent-2);font-weight:700;margin-bottom:8px}
.panel ul{margin:14px 0 0;padding-left:18px}
.panel li{margin:6px 0;color:var(--muted)}
.panel li b{color:var(--text)}

/* ===== SHORTS (verticales 9:16) ===== */
.shorts-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.short-card{display:flex;flex-direction:column;padding:12px}
.short-thumb{position:relative;border-radius:12px;overflow:hidden;background:var(--bg-soft)}
.short-thumb img{aspect-ratio:9/16;object-fit:cover;width:100%}
.short-badge{position:absolute;top:8px;left:8px;font-size:.64rem;font-weight:800;letter-spacing:.06em;
  text-transform:uppercase;padding:4px 8px;border-radius:999px;background:rgba(255,90,60,.92);color:#1a0c08}
.short-play{position:absolute;inset:0;display:grid;place-items:center;font-size:30px;color:#fff;
  background:linear-gradient(180deg,rgba(0,0,0,.05),rgba(0,0,0,.35));transition:.2s}
.short-card:hover .short-play{background:linear-gradient(180deg,rgba(0,0,0,.15),rgba(0,0,0,.5))}
.short-card h3{font-size:.92rem;line-height:1.35;margin:12px 0 0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.short-card .foot{margin-top:auto;padding-top:8px;font-size:.75rem;color:var(--muted)}
@media(max-width:900px){.shorts-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:640px){.shorts-grid{grid-template-columns:repeat(2,1fr)}}

/* posts */
.post{display:flex;flex-direction:column;height:100%}
.post .cover{height:160px;margin:-22px -22px 16px;border-radius:var(--radius) var(--radius) 0 0;
  background-size:cover;background-position:center}
.post .top{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.post .emoji{font-size:1.9rem}
.post h3{font-size:1.12rem;margin:.1em 0 .4em}
.post .foot{margin-top:auto;display:flex;justify-content:space-between;align-items:center;
  padding-top:14px;font-size:.8rem;color:var(--muted)}

/* course detail */
.course{display:flex;flex-direction:column;height:100%}
.course .temas{list-style:none;padding:0;margin:14px 0 18px;display:grid;gap:8px}
.course .temas li{display:flex;align-items:center;gap:9px;font-size:.9rem;color:var(--muted)}
.course .temas li::before{content:"›";color:var(--brand);font-weight:800}
.course .precio{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:6px 0 14px}
.course .p-now{font-size:1.5rem;font-weight:800;color:var(--text)}
.course .p-cur{font-size:.7rem;font-weight:700;color:var(--muted);vertical-align:.2em;letter-spacing:.03em}
.course .p-usd{font-size:.95rem;font-weight:700;color:var(--accent)}
.course .p-reg{color:var(--muted);text-decoration:line-through;font-size:.95rem}
.course .p-nota{color:var(--muted);font-size:.85rem}
.course .p-badge{font-size:.66rem;font-weight:800;letter-spacing:.05em;text-transform:uppercase;
  color:#1a0c08;background:var(--grad);padding:3px 9px;border-radius:999px}
.curso-enlace{display:inline-block;margin:0 0 14px;font-weight:700;font-size:.9rem;color:var(--accent)}
.curso-enlace:hover{text-decoration:underline}
.curso-btns{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.curso-btns .btn{padding:9px 14px;font-size:.84rem}
/* temario en la página de detalle del curso */
.temario-title{font-size:1.5rem;margin:36px 0 16px}
.temario{display:grid;gap:14px}
.modulo{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 20px}
.modulo h3{margin:0 0 10px;font-size:1.1rem;color:var(--brand-2)}
.modulo ul{margin:0;padding:0;list-style:none;display:grid;gap:7px}
.modulo li{position:relative;padding-left:22px;color:var(--muted)}
.modulo li::before{content:"›";position:absolute;left:4px;color:var(--brand);font-weight:800}
.course .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  border-top:1px solid var(--line);padding-top:14px}

/* ===== MÉTODO DE PROFESOR ===== */
.metodo{display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:center;
  background:linear-gradient(120deg,rgba(76,196,255,.08),rgba(160,107,255,.06));
  border:1px solid var(--line);border-radius:var(--radius);padding:36px}
.metodo-text h2{font-size:clamp(1.6rem,3.2vw,2.2rem);letter-spacing:-.02em;margin:.25em 0}
.metodo-points{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:11px}
.metodo-points li{font-size:1rem;color:var(--text)}
.metodo-card{display:block;background:linear-gradient(180deg,var(--card-2),var(--card));
  border:1px solid var(--line);border-radius:16px;padding:24px;transition:.25s;position:relative}
.metodo-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.2)}
.metodo-card .tag{position:absolute;top:18px;right:18px;color:var(--brand-2)}
.metodo-card .ico{width:54px;height:54px;border-radius:14px;display:grid;place-items:center;
  font-size:26px;background:rgba(255,255,255,.05);border:1px solid var(--line);margin-bottom:12px}
.metodo-card h3{margin:.2em 0;font-size:1.25rem}
.metodo-cta{display:inline-block;margin-top:12px;font-weight:700;color:var(--brand-2)}
@media(max-width:820px){.metodo{grid-template-columns:1fr;padding:26px}}

/* ===== SOBRE MÍ ===== */
/* La foto va en assets/img/gabriel.jpg. Si no existe, se ve el degradado de marca. */
.about-photo{aspect-ratio:4/5;border-radius:22px;border:1px solid var(--line);box-shadow:var(--shadow);
  background:
    url('../img/gabriel.jpg') center top / cover no-repeat,
    linear-gradient(135deg,#20131a,#0e1422)}

/* ===== ARTÍCULO ===== */
.article-wrap{max-width:760px}
#article .back{display:inline-block;color:var(--muted);font-weight:600;margin-bottom:18px}
#article .back:hover{color:var(--text)}
#article h1{font-size:clamp(1.8rem,4vw,2.8rem);line-height:1.1;letter-spacing:-.02em;margin:.3em 0}
#article .art-meta{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:.88rem;margin-bottom:28px}
/* Proporción 16:9 (la misma de la portada generada) en vez de alto fijo:
   con alto fijo, en móvil el contenedor se vuelve más cuadrado y "cover"
   recortaba los lados, cortando el nombre de la categoría. */
.art-cover{aspect-ratio:16/9;height:auto;border-radius:16px;background-size:cover;background-position:center;
  margin:0 0 30px;border:1px solid var(--line)}
.art-body{font-size:1.08rem;color:#d7dce6}
.art-body a{color:var(--brand-2);text-decoration:underline;text-underline-offset:2px}
.art-body a:hover{color:var(--brand)}
/* Listado de referencias académicas: más compacto y con menos peso visual
   que el cuerpo del artículo. */
.art-body ul.refs{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:10px}
.art-body ul.refs li{font-size:.92rem;color:var(--muted);padding-left:16px;position:relative;line-height:1.5}
.art-body ul.refs li::before{content:"›";position:absolute;left:0;color:var(--brand);font-weight:800}
/* Nota al pie editorial: una hairline de separación basta; nada de barras
   laterales gruesas ni fondos de color. */
.art-origen{margin:34px 0 0;padding-top:16px;border-top:1px solid var(--line);
  font-size:.88rem;font-style:italic;color:var(--muted)}
.art-origen a{color:var(--muted);font-style:normal;font-weight:600;
  text-decoration:underline;text-underline-offset:2px}
.art-origen a:hover{color:var(--text)}
.art-body figure{margin:1.6em 0}
.art-body figure img{width:100%;border-radius:14px;border:1px solid var(--line)}
.art-body figure figcaption{color:var(--muted);font-size:.86rem;text-align:center;margin-top:8px}
.art-body img{max-width:100%;border-radius:14px}
.art-body h3{font-size:1.3rem;color:var(--text);margin:1.6em 0 .4em;letter-spacing:-.01em}
.art-body p{margin:0 0 1.1em}
.art-body ul{margin:0 0 1.2em;padding-left:0;list-style:none;display:grid;gap:10px}
.art-body ul li{position:relative;padding-left:26px}
.art-body ul li::before{content:"›";position:absolute;left:6px;color:var(--brand);font-weight:800}
.art-body b{color:var(--text)}
.faq{margin:42px 0 10px}
.faq h3{font-size:1.5rem;margin:0 0 14px}
.faq-item{border:1px solid var(--line);border-radius:12px;padding:4px 16px;margin-bottom:10px;
  background:var(--card);transition:.2s}
.faq-item[open]{border-color:rgba(255,255,255,.18)}
.faq-item summary{cursor:pointer;font-weight:700;padding:12px 0;list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--brand);font-size:1.4rem;font-weight:800;flex:none}
.faq-item[open] summary::after{content:"−"}
.faq-item p{margin:0 0 14px;color:var(--muted)}
.art-cta{margin:40px 0 10px;padding:32px 24px;
  background:linear-gradient(120deg,rgba(255,90,60,.12),rgba(255,180,60,.08))}
.rel{margin-top:46px;border-top:1px solid var(--line);padding-top:30px;
  display:grid;gap:18px;grid-template-columns:1fr 1fr}
.rel h3{grid-column:1/-1;margin:0 0 4px}
@media(max-width:640px){.rel{grid-template-columns:1fr}}

/* ===== FORM ===== */
.form{display:grid;gap:16px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:28px}
.field{display:grid;gap:7px}
.field label{font-size:.85rem;font-weight:600}
.field input,.field select,.field textarea{
  background:var(--bg-soft);border:1px solid var(--line);border-radius:11px;padding:13px 14px;
  color:var(--text);font-family:inherit;font-size:.95rem;transition:.2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(255,90,60,.18)}
.field textarea{resize:vertical;min-height:120px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-note{font-size:.82rem;color:var(--muted)}
.ok-msg{display:none;background:rgba(46,204,143,.12);border:1px solid rgba(46,204,143,.4);
  color:var(--ok);padding:13px 16px;border-radius:11px;font-weight:600}
.ok-msg.show{display:block}

/* ===== REDES SOCIALES ===== */
.social{display:flex;gap:10px;flex-wrap:wrap}
.soc{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text);transition:.2s}
.soc:hover{transform:translateY(-3px);border-color:transparent;color:#fff}
.soc-youtube:hover{background:#ff0033}
.soc-instagram:hover{background:linear-gradient(45deg,#f09433,#e6683c,#dc2743,#cc2366,#bc1888)}
.soc-x:hover{background:#000}
.soc-facebook:hover{background:#1877f2}
.soc-linkedin:hover{background:#0a66c2}

.foot-support{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;
  padding:24px 0;border-top:1px solid var(--line);margin-top:24px}
.support-btns{display:flex;gap:10px;flex-wrap:wrap}
.support-btns .btn{padding:10px 16px;font-size:.86rem}

/* ===== FOOTER ===== */
footer{border-top:1px solid var(--line);margin-top:40px;padding:44px 0;color:var(--muted)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}
footer a:hover{color:var(--text)}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:30px;
  padding-top:20px;border-top:1px solid var(--line);font-size:.85rem;flex-wrap:wrap;gap:10px}
.yt{display:inline-flex;align-items:center;gap:9px;color:#ff5a5a;font-weight:700}

/* reveal animation */
.reveal{opacity:0;transform:translateY(22px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ===== RESPONSIVE ===== */
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .g-4{grid-template-columns:repeat(2,1fr)}
  .g-3{grid-template-columns:1fr 1fr}
  .summary{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .links{position:fixed;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:var(--bg-soft);border-bottom:1px solid var(--line);padding:12px;gap:4px;
    transform:translateY(-130%);transition:.3s;visibility:hidden}
  .links.open{transform:none;visibility:visible}
  .burger{display:block}
  .g-2,.g-3,.g-4,.row2,.foot-grid,.summary{grid-template-columns:1fr}
  .section{padding:54px 0}
}