/* ===== CERTIFICATIONS: Stacked Card Scroll + ventana glassmorphic ===== */

#certifications{padding-top:20px}
.stack{margin-top:48px;padding-bottom:6vh}

/* Cada tarjeta se queda "pegada" (sticky) en el centro de la pantalla;
   la siguiente sube y se superpone. certs.js reduce y oscurece las que quedan detrás. */
.scard{
  --h:clamp(400px,62svh,470px);
  position:sticky;
  top:max(84px,calc((100svh - var(--h)) / 2));
  margin-bottom:16vh;
}
.scard:last-child{margin-bottom:0}

.scard-in{
  position:relative;
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:clamp(20px,3vw,44px);
  height:var(--h);
  padding:clamp(20px,min(3vw,4.6svh),40px);
  border-radius:34px;
  background:var(--c);
  color:var(--t);
  border:1px solid var(--ln);
  box-shadow:0 -18px 60px rgba(0,0,0,.45);
  transform-origin:50% 0;
  will-change:transform;
  overflow:hidden;
}
/* Velo oscuro que aumenta cuando la tarjeta queda detrás de otras */
.scard-in::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius:inherit;
  background:#07050c;
  opacity:var(--dim,0);
  pointer-events:none;
}

/* Columna de texto */
.sbody{display:flex;flex-direction:column;justify-content:space-between;gap:14px;min-width:0}
.stop{display:flex;align-items:center;justify-content:space-between;gap:12px}
.sorg{
  display:inline-block;
  padding:6px 14px;
  border:1px solid var(--ln);
  border-radius:99px;
  font-size:.72rem;
  font-weight:600;
  letter-spacing:.08em;
  text-transform:uppercase;
}
.sidx{font-family:var(--serif);font-style:italic;font-size:1.6rem;line-height:1;opacity:.55}

.smain h3{
  font-size:clamp(1.3rem,min(2.5vw,4.3svh),2.3rem);
  line-height:1.08;
  font-weight:600;
  letter-spacing:-.025em;
  margin:0 0 .6rem;
}
.smain h3 .tail{display:block;opacity:.5}   /* segunda línea atenuada, como en la referencia */
.smain p{
  font-size:clamp(.82rem,min(1.05vw,1.9svh),.96rem);
  line-height:1.55;
  opacity:.84;
  max-width:50ch;
}

/* Fila inferior: EXPLORE + 100% score */
.sfoot{display:flex;align-items:center;flex-wrap:wrap;gap:14px 22px}
.explore{
  display:inline-flex;
  align-items:center;
  gap:12px;
  background:none;
  border:0;
  padding:0;
  color:inherit;
  font:600 .78rem/1 var(--sans);
  letter-spacing:.14em;
  cursor:pointer;
}
.explore .ico{
  width:36px;
  height:36px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:var(--t);
  color:var(--c);
  transition:transform .35s cubic-bezier(.2,.8,.2,1);
}
.explore .ico svg{width:14px;height:14px}
.explore:hover .ico{transform:scale(1.14) rotate(8deg)}
.explore:focus-visible{outline:2px solid currentColor;outline-offset:6px;border-radius:99px}

.score{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 14px;
  border:1px solid var(--ln);
  border-radius:99px;
  font-size:.76rem;
  font-weight:600;
  letter-spacing:.04em;
}
.score svg{width:14px;height:14px}

/* Imagen de la tarjeta (al costado) */
.simg{position:relative;border-radius:22px;min-height:0}
.simg img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center}
.simg.empty{background:var(--ph);display:grid;place-items:center}
.simg.empty::after{
  content:attr(data-label);
  font-size:.68rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  opacity:.6;
  text-align:center;
  padding:10px;
}

/* ===== Ventana flotante glassmorphic ===== */
.cmodal{
  position:fixed;
  inset:0;
  z-index:100;
  display:grid;
  place-items:center;
  padding:24px;
  background:rgba(5,3,10,.72);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  opacity:0;
  visibility:hidden;
  transition:opacity .35s ease,visibility 0s linear .35s;
  overscroll-behavior:contain;
}
.cmodal.open{opacity:1;visibility:visible;transition:opacity .35s ease}

.cwin{
  width:min(920px,100%);
  max-height:100%;
  display:flex;
  flex-direction:column;
  gap:16px;
  padding:20px;
  border-radius:28px;
  border:1px solid rgba(255,255,255,.2);
  background:linear-gradient(150deg,rgba(255,255,255,.14),rgba(255,255,255,.04));
  -webkit-backdrop-filter:blur(26px) saturate(150%);
  backdrop-filter:blur(26px) saturate(150%);
  box-shadow:0 40px 120px rgba(0,0,0,.6),inset 0 1px 0 rgba(255,255,255,.22);
  transform:translateY(26px) scale(.95);
  transition:transform .45s cubic-bezier(.2,.8,.2,1);
}
.cmodal.open .cwin{transform:none}

.chead{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:4px 4px 0 6px}
.corg{font-size:.7rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--pur-l)}
.ctitle{font-size:clamp(1rem,2.2vw,1.35rem);font-weight:600;line-height:1.25;margin-top:4px;color:var(--ink)}
.cclose{
  flex:none;
  width:40px;
  height:40px;
  display:grid;
  place-items:center;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);
  color:var(--ink);
  cursor:pointer;
  transition:.3s;
}
.cclose svg{width:14px;height:14px}
.cclose:hover{background:var(--pur-l);color:#0a0612;transform:rotate(90deg)}
.cclose:focus-visible{outline:2px solid var(--pur-l);outline-offset:3px}

.cframe{
  min-height:0;
  display:grid;
  place-items:center;
  border-radius:18px;
  overflow:hidden;
  background:rgba(0,0,0,.22);
}
.cframe img{display:block;max-width:100%;max-height:calc(100svh - 190px);width:auto;height:auto;object-fit:contain}
.cframe.empty{aspect-ratio:4/3;width:100%}
.cframe.empty img{display:none}
.cframe.empty::after{
  content:attr(data-label);
  font-size:.7rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--mute);
  text-align:center;
  padding:12px;
}

/* ===== Móvil ===== */
@media(max-width:760px){
  .scard{--h:auto;top:76px}
  .scard-in{grid-template-columns:1fr;height:auto;min-height:0;gap:18px;border-radius:28px}
  .simg{order:-1;height:130px}
  .smain h3{font-size:1.45rem}
  .smain p{font-size:.86rem;line-height:1.55}
  .sidx{font-size:1.3rem}
  .cmodal{padding:14px}
  .cwin{padding:14px;border-radius:22px}
}