:root{
  --bg:#fafbfc;
  --panel:#ffffff;
  --ink:#1f2328;
  --muted:#57606a;
  --line:#e6e8eb;
  --p1:#ff9bb3; --p2:#ffc77a; --p3:#8ff0b6; --p4:#9ec6ff; --p5:#d5a8ff;
  --radius:14px;
  --shadow:0 8px 28px rgba(31,35,40,.08);
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Inter, Roboto, Arial, sans-serif;
  color:var(--ink); background:var(--bg); line-height:1.6;
}

/* Fondo interactivo detrás */
#bg-canvas{
  position:fixed; inset:0; width:100vw; height:100vh;
  z-index:-1; pointer-events:none; opacity:.55;
}

/* Layout base */
.wrap{width:min(100%,960px); margin:0 auto; padding:24px 20px;}

/* Nav */
.site-nav{
  position:sticky; top:0; z-index:10;
  display:flex; gap:14px; justify-content:center; align-items:center;
  padding:10px 16px; background:rgba(250,251,252,.92); backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.site-nav a{color:var(--muted); text-decoration:none; font-weight:700; padding:8px 12px; border-radius:10px;}
.site-nav a:hover{color:var(--ink); background:#eef0f2;}

/* Título */
.title-pastel{
  text-align:center; font-weight:900; letter-spacing:.3px;
  font-size: clamp(2rem, 6vw, 3.2rem); margin:22px 0 10px;
  background: linear-gradient(90deg,var(--p1),var(--p2),var(--p3),var(--p4),var(--p5));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}

/* Tarjetas generales */
.bubble,.accordion{
  background:var(--panel); border:1px solid var(--line);
  border-radius:var(--radius); box-shadow:var(--shadow);
}
.bubble{padding:22px;} .bubble p{color:var(--muted); margin-bottom:12px;}
.accordion{margin:18px 0; overflow:hidden;}
.accordion__summary{cursor:pointer; padding:14px 16px; font-weight:800;
  background:linear-gradient(90deg,var(--p4),var(--p3)); color:#0f1419;}
.accordion__content{padding:16px; color:var(--muted); background:var(--panel);}
.btn-row{display:flex; gap:10px; flex-wrap:wrap;}
.center{display:flex; justify-content:center; margin:8px 0 6px;}

/* Botones */
.btn{display:inline-block; text-decoration:none; font-weight:800; padding:10px 16px;
  border-radius:12px; color:#0f1419; border:1px solid rgba(0,0,0,.05);
  transition:transform .12s ease, box-shadow .12s ease, filter .12s ease;}
.btn:hover{transform:translateY(-2px); filter:saturate(1.05); box-shadow:var(--shadow);}
.xl{padding:12px 18px; font-size:1.04rem;}
.pastel-1{background:var(--p1);} .pastel-2{background:var(--p2);}
.pastel-3{background:var(--p3);} .pastel-4{background:var(--p4);} .pastel-5{background:var(--p5);}

/* ====== Sección "Mis proyectos p5.js" ====== */
.proj{ margin-top: 22px; }

.proj__heading{
  margin: 6px 0 16px;
  display:flex; justify-content:center;
}
.proj__heading h2{
  color:#0f1419;
  font-size: clamp(1.1rem, 3.8vw, 1.6rem);
  font-weight: 900;
  padding: 14px 22px;
  border-radius: 999px;
  box-shadow: var(--shadow);
  background: linear-gradient(90deg, var(--p4), var(--p3));
}

/* grid 2x2 */
.proj__grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

/* tarjeta */
.proj-card{
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 14px 40px rgba(31,35,40,.12);
  overflow: hidden;
  text-decoration: none;       /* toda la tarjeta es link */
  display: flex;
  flex-direction: column;
  transition: transform .12s ease, box-shadow .12s ease;
}
.proj-card:hover{ transform: translateY(-4px); box-shadow: 0 18px 48px rgba(31,35,40,.16); }

/* imagen arriba */
.proj-card__thumb{
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  display:block;
  border-bottom: 1px solid var(--line);
}

/* cuerpo de la tarjeta */
.proj-card__body{ padding: 14px 16px 18px; text-align:center; }
.proj-card__title{
  display:inline-block;
  font-size: 1.05rem;
  font-weight: 900;
  color:#0f1419;
  padding: 8px 14px;
  border-radius: 12px;
  border: 1px solid rgba(0,0,0,.05);
  box-shadow: var(--shadow);
}
.proj-card__subtitle{
  margin-top: 8px;
  color: var(--muted);
  font-size: .95rem;
}

/* Footer */
.footer{ text-align:center; color:var(--muted); border-top:1px solid var(--line);
  margin-top:34px; padding-top:18px; }

/* Responsive */
@media (max-width: 900px){
  .proj__grid{ grid-template-columns: 1fr; }
}