/* ============================================================
   EMTURIN — Inicio
   ============================================================ */

/* ===== HERO ===== */
.hero{position:relative;overflow:hidden}
.hero-variant{display:block}

/* ---------- Variante 1 · Institucional (split) ---------- */
.h1-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:var(--s8);align-items:center;
  padding-block:clamp(40px,6vw,96px);
}
.h1-copy .eyebrow{margin-bottom:var(--s4)}
.h1-copy h1{font-size:clamp(2.4rem,5.2vw,4.2rem);letter-spacing:-.02em}
.h1-copy h1 .accent{color:var(--accent)}
.h1-copy .lead{margin-top:var(--s5);max-width:46ch}
.h1-actions{display:flex;flex-wrap:wrap;gap:var(--s3);margin-top:var(--s6)}
.h1-trust{display:flex;gap:var(--s6);margin-top:var(--s7);flex-wrap:wrap}
.h1-trust .ti b{display:block;font-family:var(--font-head);font-size:1.7rem;color:var(--ink);line-height:1}
.h1-trust .ti span{font-size:.85rem;color:var(--muted)}

/* Composición geométrica (bloques tipo logo) */
.h1-art{position:relative;height:clamp(360px,40vw,500px)}
.blk{position:absolute;border-radius:18px;background:var(--grad-brand);box-shadow:var(--shadow-3)}
.blk.b1{width:46%;height:78%;left:6%;top:11%;transform:skewY(-6deg);opacity:.95}
.blk.b2{width:40%;height:88%;left:34%;top:4%;transform:skewY(-6deg);
  background:linear-gradient(135deg,#7bbcf2,#244f9c)}
.blk.b3{width:34%;height:62%;left:60%;top:24%;transform:skewY(-6deg);
  background:linear-gradient(135deg,#3f74c4,#0e2a56)}
.blk::after{content:"";position:absolute;inset:0;border-radius:inherit;
  background:linear-gradient(160deg,rgba(255,255,255,.35),transparent 45%)}
.h1-chip{
  position:absolute;background:var(--surface);border:1px solid var(--line);
  border-radius:14px;box-shadow:var(--shadow-2);padding:var(--s3) var(--s4);
  display:flex;align-items:center;gap:var(--s3);z-index:3;
}
.h1-chip .num{font-family:var(--font-head);font-weight:600;font-size:1.5rem;color:var(--accent);line-height:1}
.h1-chip .lab{font-size:.78rem;color:var(--muted);line-height:1.2;max-width:11ch}
.h1-chip.c1{left:-4%;top:18%;animation:floaty 6s ease-in-out infinite}
.h1-chip.c2{right:-3%;bottom:14%;animation:floaty 7s ease-in-out .8s infinite}
@keyframes floaty{50%{transform:translateY(-12px)}}
@media(prefers-reduced-motion:reduce){.h1-chip{animation:none}}

/* Opción de formas: logo isotipo en lugar de los 3 bloques */
.h1-art .h1-logo{display:none;position:absolute;top:48%;left:50%;
  width:min(82%,400px);height:auto;
  transform:translate(-50%,-50%);
  filter:drop-shadow(0 26px 54px rgba(20,48,107,.34));
  animation:logofloat 7s ease-in-out infinite}
:root[data-formas="logo"] .h1-art .blk{display:none}
:root[data-formas="logo"] .h1-art .h1-logo{display:block}
@keyframes logofloat{0%,100%{transform:translate(-50%,-50%)}50%{transform:translate(-50%,calc(-50% - 12px))}}
@media(prefers-reduced-motion:reduce){.h1-art .h1-logo{animation:none}}

@media(max-width:880px){
  .h1-grid{grid-template-columns:1fr;gap:var(--s6)}
  .h1-art{height:320px;order:-1}
}

/* ===== Banda de métricas ===== */
.metrics{background:var(--surface);border-block:1px solid var(--line)}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--s5);padding-block:var(--s7)}
.metric{text-align:center;position:relative}
.metric:not(:last-child)::after{content:"";position:absolute;right:calc(var(--s5)/-2);top:18%;bottom:18%;width:1px;background:var(--line)}
.metric b{display:block;font-family:var(--font-head);font-weight:600;font-size:clamp(2.2rem,4.5vw,3.4rem);color:var(--ink);line-height:1;letter-spacing:-.02em}
.metric b .sym{color:var(--accent)}
.metric span{display:block;margin-top:var(--s2);color:var(--muted);font-size:.92rem;letter-spacing:.02em}
@media(max-width:680px){.metrics-grid{grid-template-columns:1fr 1fr;gap:var(--s6)}.metric:nth-child(2)::after{display:none}}

/* ===== Líneas de investigación ===== */
.lines-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:var(--s4)}
.line-card{padding:var(--s5);display:flex;flex-direction:column;gap:var(--s3);position:relative;overflow:hidden}
.line-card:hover{transform:translateY(-5px);box-shadow:var(--card-shadow-hover);border-color:var(--accent-line)}
.line-card .lc-ix{font-family:var(--font-head);font-weight:600;font-size:.8rem;letter-spacing:.12em;color:var(--accent)}
.line-card .lc-ic{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  background:var(--accent-soft);color:var(--accent);margin-bottom:var(--s1)}
.line-card .lc-ic svg{width:26px;height:26px}
.line-card h3{font-size:1.2rem}
.line-card p{color:var(--muted);font-size:.95rem}
.line-card .lc-more{margin-top:auto;padding-top:var(--s3);font-family:var(--font-head);font-weight:600;
  font-size:.88rem;color:var(--accent);display:inline-flex;align-items:center;gap:6px;opacity:0;transform:translateX(-6px);transition:.22s}
.line-card:hover .lc-more{opacity:1;transform:none}
.line-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent);transform:scaleY(0);transform-origin:top;transition:.3s}
.line-card:hover::before{transform:scaleY(1)}
@media(hover:none),(max-width:680px){
  .line-card .lc-more{opacity:1;transform:none;min-height:44px;align-items:center}
}

/* ===== Proyectos destacados ===== */
.proj-head{display:flex;justify-content:space-between;align-items:flex-end;gap:var(--s4);flex-wrap:wrap}
.proj-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:var(--s4);margin-top:var(--s6)}
.proj-card{overflow:hidden;display:flex;flex-direction:column}
.proj-card:hover{transform:translateY(-5px);box-shadow:var(--card-shadow-hover)}
.proj-media{aspect-ratio:16/10;position:relative;background:var(--grad-brand);overflow:hidden}
.proj-media .ph-label{position:absolute;left:12px;bottom:12px;font-size:.72rem;color:rgba(255,255,255,.85);
  background:rgba(8,20,40,.4);padding:4px 10px;border-radius:20px;backdrop-filter:blur(4px)}
.proj-media .pm-pattern{position:absolute;inset:0;opacity:.5;
  background:radial-gradient(circle at 30% 30%,rgba(255,255,255,.4),transparent 40%),
             repeating-linear-gradient(45deg,rgba(255,255,255,.08) 0 12px,transparent 12px 24px)}
.proj-body{padding:var(--s5);display:flex;flex-direction:column;gap:var(--s2);flex:1}
.proj-tag{font-family:var(--font-head);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);font-weight:600}
.proj-card h3{font-size:1.18rem;margin-top:2px}
.proj-card p{color:var(--muted);font-size:.93rem;overflow:hidden;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical}
.proj-meta{margin-top:auto;padding-top:var(--s3);display:flex;justify-content:space-between;align-items:center;
  border-top:1px solid var(--line);font-size:.82rem;color:var(--muted)}
.proj-meta .st{color:var(--accent);font-weight:600}

/* ===== Proyectos continuados compartidos ===== */
.stable-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--s4)}
.stable-grid--home{margin-top:var(--s6)}
.stable-card{position:relative;min-height:260px;overflow:hidden;border-radius:8px;color:var(--text);text-decoration:none;
  display:grid;grid-template-rows:1fr auto;background:#fff;border:1px solid var(--line);
  box-shadow:var(--card-shadow);isolation:isolate}
.stable-card:focus-visible{outline:3px solid color-mix(in oklab,var(--accent),white 24%);outline-offset:3px}
.stable-card::before{content:"";position:absolute;left:0;right:0;bottom:0;height:64px;background:linear-gradient(135deg,var(--stable-a),var(--stable-b));z-index:0}
.stable-card::after{content:"";position:absolute;inset:0;background:
  linear-gradient(rgba(255,255,255,.08),rgba(255,255,255,.02)),
  radial-gradient(circle at 15% 15%,rgba(255,255,255,.22),transparent 28%);
  opacity:.3;z-index:1;pointer-events:none;clip-path:inset(auto 0 0 0 round 0 0 8px 8px)}
.stable-logo-box{position:relative;z-index:2;min-height:196px;display:grid;place-items:center;padding:26px 20px 18px;background:#fff;
  transition:transform .22s ease}
.stable-logo-box img{max-width:100%;max-height:108px;object-fit:contain}
.stable-logo-box--caption{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:4px}
.stable-logo-caption{font-family:Arial,Helvetica,sans-serif;font-size:1.25rem;font-weight:400;font-synthesis:none;letter-spacing:-.025em;line-height:1.2;color:#000}
.stable-wordmark{display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;color:var(--stable-a)}
.stable-wordmark b{font-family:var(--font-head);font-size:clamp(1rem,1.5vw,1.35rem);line-height:1.2;font-weight:700;letter-spacing:0}
.stable-wordmark span{max-width:24ch;font-size:.75rem;line-height:1.35;text-transform:uppercase;color:var(--muted)}
.stable-title{position:relative;z-index:2;display:flex;align-items:center;min-height:64px;padding:0 20px;
  font-family:var(--font-head);font-weight:700;font-size:1.2rem;color:#fff;background:linear-gradient(135deg,var(--stable-a),var(--stable-b))}
.stable-copy{position:absolute;inset:0;z-index:3;
  background:linear-gradient(160deg,var(--stable-a),var(--stable-b));
  color:#fff;display:flex;align-items:center;justify-content:center;text-align:center;
  padding:28px 24px;font-size:.97rem;line-height:1.55;overflow:hidden;
  opacity:0;transition:opacity .25s ease}
.stable-card:hover .stable-copy,.stable-card:focus-visible .stable-copy{opacity:1}
.stable-card:hover .stable-logo-box,.stable-card:focus-visible .stable-logo-box{transform:translateY(-4px)}
.stable-card--faed .stable-logo-box{background:#fff}
@media(hover:none),(max-width:640px){.stable-copy{position:relative;inset:auto;opacity:1;border-radius:0 0 8px 8px}.stable-card{grid-template-rows:auto auto auto}}

/* ===== Instagram ===== */
.ig{background:var(--surface);border-block:1px solid var(--line)}
.ig-head{display:flex;justify-content:space-between;align-items:center;gap:var(--s4);flex-wrap:wrap;margin-bottom:var(--s5);padding:20px}
.ig-handle{display:flex;align-items:center;gap:var(--s3)}
.ig-handle .ig-ava{width:54px;height:54px;border-radius:50%;background:var(--grad-brand);display:grid;place-items:center;color:#fff;font-family:var(--font-head);font-weight:600;font-size:1.1rem;border:2px solid var(--surface);box-shadow:0 0 0 2px var(--accent)}
.ig-handle b{display:block;font-family:var(--font-head);color:var(--ink);font-size:1.05rem}
.ig-handle span{font-size:.88rem;color:var(--muted)}
.ig-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--s3)}
.ig-post{position:relative;aspect-ratio:1;border-radius:10px;overflow:hidden;background:var(--grad-brand);cursor:pointer;border:0}
.ig-post .igp{position:absolute;inset:0;background-size:cover;background-position:center;transition:filter .2s}
.ig-post:hover .igp{filter:saturate(1.08) brightness(1.03)}
.ig-post .ig-ov{position:absolute;inset:0;background:linear-gradient(transparent 45%,rgba(8,20,40,.78));
  opacity:0;transition:.25s;display:flex;flex-direction:column;justify-content:flex-end;padding:var(--s3);color:#fff}
.ig-post:hover .ig-ov{opacity:1}
.ig-post .ig-ov p{font-size:.8rem;line-height:1.35}
.ig-post .ig-ov .ig-likes{font-size:.75rem;opacity:.85;margin-top:4px}
.ig-post .ig-icon{position:absolute;top:12px;right:12px;color:#fff;opacity:.92}
.ig-post .ig-icon svg{width:18px;height:18px;filter:drop-shadow(0 1px 3px rgba(0,0,0,.4))}
@media(max-width:680px){.ig-grid{grid-template-columns:1fr 1fr}}

/* ===== CTA colaboración ===== */
.cta-band{position:relative;border-radius:calc(var(--radius)*1.4);overflow:hidden;
  background:radial-gradient(120% 140% at 85% 10%,#1d4f9e,#0c1f3c);color:#fff;
  padding:clamp(40px,6vw,80px);box-shadow:var(--shadow-3)}
.cta-band::before{content:"";position:absolute;right:-60px;top:-60px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,color-mix(in oklab,var(--accent),transparent 30%),transparent 70%);opacity:.6}
.cta-inner{position:relative;display:flex;justify-content:space-between;align-items:center;gap:var(--s6);flex-wrap:wrap;z-index:2}
.cta-inner h2{color:#fff;font-size:clamp(1.8rem,3.6vw,2.8rem);max-width:18ch}
.cta-inner p{color:#b9cae6;margin-top:var(--s3);max-width:44ch}
.cta-actions{display:flex;gap:var(--s3);flex-wrap:wrap}

/* ===== Banner aviso integración (Instagram / datos) ===== */
.dev-note{
  display:flex;gap:var(--s3);align-items:flex-start;
  background:var(--accent-soft);border:1px dashed var(--accent-line);
  border-radius:12px;padding:var(--s3) var(--s4);color:var(--text);font-size:.86rem;margin-top:var(--s4);
}
.dev-note svg{width:18px;height:18px;color:var(--accent);flex:none;margin-top:2px}
.dev-note b{color:var(--ink)}