:root {
  --bg: #fffdf8;          /* almost white, with a hint of cream */
  --panel: #faf6ee;       /* slightly darker cream for headers/nav */
  --text: #044a48;        /* very dark turquoise */
  --muted: #457a77;       /* muted turquoise for secondary text */
  --brand: #007a74;       /* accent turquoise */
  --accent: #00a79d;      /* brighter turquoise hover accent */
  --card: #f9f4eb;        /* light cream for project blocks */
  --card-hover: #f3ede1;  /* slightly darker on hover */
  --border: #ddd3c3;      /* warm, subtle border */
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 800px at 10% -10%, #f3ede1 0%, transparent 60%), var(--bg);
  line-height: 1.6;
}

.container { width: min(1100px, 92%); margin: 0 auto; }
.section { padding: 36px 0; }

.site-header {
  position: sticky; top: 0; z-index: 10;
  background: var(--card);            /* same as project tiles */
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; justify-content: space-between; align-items: center; padding: 14px 0; }
.brand { color: var(--text); font-weight: 700; text-decoration: none; letter-spacing: 0.2px; }
nav .nav-link {
  color: var(--text); text-decoration: none; margin-left: 18px; padding: 8px 12px;
  border-radius: 8px; transition: background 120ms ease;
}
nav .nav-link:hover { background: var(--card-hover); }  /* subtle cream hover */

.about { display: grid; grid-template-columns: 160px 1fr; gap: 28px; align-items: center; }
.headshot {
  width: 160px; height: 160px; object-fit: cover; border-radius: 14px;
  border: 1px solid var(--border); background: #222; box-shadow: 0 6px 22px rgba(0,0,0,0.35);
}
.about h1 { margin: 0 0 10px; font-size: 1.9rem; line-height: 1.2; color: var(--accent); }
.about p { margin: 0; color: var(--text); }

h2 { font-size: 1.6rem; margin: 0 0 18px; color: var(--brand); }

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}
.card {
  position: relative;
  background: linear-gradient(180deg, var(--card-hover), var(--card));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  min-height: 140px;
  overflow: hidden;
  transition: transform 140ms ease, box-shadow 140ms ease, border-color 140ms ease;
  cursor: pointer;
}
.card:hover, .card:focus-within {
  transform: translateY(-2px);
  background: var(--card-hover);      /* slightly darker cream */
  border-color: var(--border);
  box-shadow: 0 10px 28px rgba(0,0,0,0.35);
}
.card-title {
  color: var(--accent);   /* brighter turquoise for emphasis */
  font-weight: 700; letter-spacing: 0.2px;
}
.card-desc {
  position: absolute; inset: 0; padding: 16px;
  background: rgba(249, 244, 235, 0.96); /* light cream overlay (matches --card-ish) */
  color: var(--text);
  opacity: 0; pointer-events: none; transition: opacity 140ms ease;
  border-radius: 14px; border: 1px solid var(--border);
}
.card:hover .card-desc, .card.is-open .card-desc { opacity: 1; pointer-events: auto; }
.card-desc p { margin: 0; color: var(--text); }
.card-badge {
  display: inline-block; margin-top: 10px; font-size: 12px; color: var(--brand);
  background: rgba(125,211,252,0.08); border: 1px solid rgba(125,211,252,0.25);
  padding: 4px 8px; border-radius: 999px;
}

/* 4) Hide the project title on hover/open so it doesn’t ghost behind the overlay */
.card-title {
  color: var(--accent);   /* brighter turquoise for emphasis */
  transition: opacity 100ms ease;
}
.card:hover .card-title,
.card.is-open .card-title {
  color: var(--brand);   /* darker turquoise */
  font-weight: 700;
  letter-spacing: 0.2px;
  transition: opacity 120ms ease;
}


.hint { color: var(--muted); font-size: 0.9rem; margin-top: 8px; }

.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 0; color: var(--muted); font-size: 0.95rem;
}

a { color: var(--brand); }
a:hover { color: var(--accent); }

@media (max-width: 720px) {
  .about { grid-template-columns: 1fr; text-align: left; }
  .headshot { width: 120px; height: 120px; }
}
html { scroll-behavior: smooth; }

/* EXPAND-ON-HOVER/CHECK: let the description push layout instead of overlaying */

/* Card stays light, subtle hover */
.card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--border);
  transition: transform 140ms ease, box-shadow 140ms ease, border-color 140ms ease, background 140ms ease;
  overflow: visible; /* allow growth */
}
.card:hover, .card:focus-within {
  background: var(--card-hover);
  border-color: var(--border);
  box-shadow: 0 8px 22px rgba(0,0,0,0.08);
}

/* Title fades out when open (matches your earlier request) */
.card-title {
  transition: opacity 120ms ease;
}
/*
.card:hover .card-title,
.card.is-open .card-title {
  opacity: 0;
  visibility: hidden;
}
*/

/* Description becomes part of the flow (NOT overlay) and expands */
.card-desc {
  position: static;              /* was absolute */
  background: transparent;       /* no dark overlay */
  border: 0;
  padding: 8px 0 0;
  margin: 0;

  max-height: 0;                 /* collapsed by default */
  opacity: 0;
  overflow: hidden;
  pointer-events: none;

  transition: max-height 240ms ease, opacity 160ms ease;
}

/* Hover (desktop) or .is-open (mobile/keyboard) reveals full text */
.card:hover .card-desc,
.card.is-open .card-desc {
  max-height: 1000px;            /* big enough to fit long text */
  opacity: 1;
  pointer-events: auto;
}

/* Grid alignment so taller cards flow naturally */
.project-grid { align-items: start; }

#about { padding-top: 72px; }