/* Plain rebuild of arc.wpi.edu — WPI Academic & Research Computing
   No frameworks, no JS, no trackers. Single stylesheet. */

:root {
  --wpi-red: #ac2b37;
  --wpi-red-dark: #8a222c;
  --gray-900: #1f2328;
  --gray-700: #3d444d;
  --gray-500: #6b7280;
  --gray-200: #e5e7eb;
  --gray-100: #f3f4f6;
  --gray-50: #f9fafb;
  --max: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--gray-900);
  line-height: 1.6;
  background: #fff;
}

a { color: var(--wpi-red); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 1.25rem; }

/* ---- Header / nav ---- */
.site-header {
  border-bottom: 3px solid var(--wpi-red);
  background: #fff;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1rem;
  padding-bottom: 1rem;
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 0.85rem; }
.brand .wpi-logo { height: 46px; width: auto; display: block; }
.brand .divider { width: 1px; height: 34px; background: var(--gray-200); }
.brand .name { font-weight: 700; font-size: 1.02rem; line-height: 1.2; color: var(--gray-900); }
.brand .name small { display: block; font-weight: 400; color: var(--gray-500); font-size: 0.78rem; }
.brand:hover { text-decoration: none; }

nav.main { }
nav.main ul { list-style: none; display: flex; flex-wrap: wrap; gap: 1.1rem; margin: 0; padding: 0; }
nav.main a { color: var(--gray-700); font-weight: 600; font-size: 0.95rem; }
nav.main a.active { color: var(--wpi-red); }

/* ---- Hero ---- */
.hero {
  background: linear-gradient(135deg, var(--wpi-red), var(--wpi-red-dark));
  color: #fff;
  padding: 3rem 0;
}
.hero h1 { margin: 0 0 0.5rem; font-size: 2rem; }
.hero p { margin: 0; font-size: 1.15rem; max-width: 46rem; opacity: 0.95; }

/* ---- Page title (interior pages) ---- */
.page-head { background: var(--gray-50); border-bottom: 1px solid var(--gray-200); padding: 2rem 0; }
.page-head h1 { margin: 0; font-size: 1.9rem; }
.breadcrumb { color: var(--gray-500); font-size: 0.85rem; margin-bottom: 0.4rem; }

/* ---- Content ---- */
main { padding: 2.5rem 0; }
main h2 { font-size: 1.4rem; margin-top: 2rem; border-bottom: 1px solid var(--gray-200); padding-bottom: 0.35rem; }
main h3 { font-size: 1.15rem; margin-bottom: 0.25rem; }
main h4 { font-size: 1.05rem; margin-bottom: 0.25rem; color: var(--wpi-red-dark); }

/* Card grid */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 1rem; margin: 1.5rem 0; }
.card {
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  padding: 1.1rem 1.2rem;
  background: #fff;
  transition: box-shadow 0.15s, border-color 0.15s;
}
.card:hover { box-shadow: 0 3px 12px rgba(0,0,0,0.07); border-color: #d7b3b6; }
.card h3 { margin-top: 0; }
.card p { margin: 0; color: var(--gray-700); font-size: 0.95rem; }

/* FAQ */
.faq { margin: 1rem 0; }
.faq details {
  border: 1px solid var(--gray-200);
  border-radius: 6px;
  padding: 0.5rem 1rem;
  margin-bottom: 0.6rem;
  background: var(--gray-50);
}
.faq summary { font-weight: 600; cursor: pointer; }
.faq details[open] { background: #fff; }

/* Callout */
.callout {
  border-left: 4px solid var(--wpi-red);
  background: var(--gray-50);
  padding: 0.9rem 1.1rem;
  margin: 1.25rem 0;
  border-radius: 0 6px 6px 0;
}

/* Sidebar layout for interior pages */
.layout { display: grid; grid-template-columns: 1fr 260px; gap: 2.5rem; }
aside.side { }
aside.side h4 { margin-top: 0; color: var(--gray-900); }
aside.side ul { list-style: none; padding: 0; margin: 0 0 1.5rem; }
aside.side li { margin-bottom: 0.4rem; }
aside.side .box { border: 1px solid var(--gray-200); border-radius: 8px; padding: 1rem 1.1rem; background: var(--gray-50); }

.btn {
  display: inline-block;
  background: var(--wpi-red);
  color: #fff;
  padding: 0.55rem 1.1rem;
  border-radius: 6px;
  font-weight: 600;
  margin-top: 0.5rem;
}
.btn:hover { background: var(--wpi-red-dark); text-decoration: none; }

.updated { color: var(--gray-500); font-size: 0.85rem; margin-top: 2rem; font-style: italic; }

/* Spec tables */
table.specs { width: 100%; border-collapse: collapse; margin: 1.25rem 0; font-size: 0.95rem; }
table.specs th, table.specs td { text-align: left; padding: 0.6rem 0.8rem; border-bottom: 1px solid var(--gray-200); vertical-align: top; }
table.specs th { width: 34%; color: var(--gray-700); font-weight: 600; background: var(--gray-50); }
table.specs tr:hover td { background: var(--gray-50); }

/* Stat row */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1rem; margin: 1.5rem 0; }
.stat { border: 1px solid var(--gray-200); border-radius: 8px; padding: 1rem 1.1rem; text-align: center; background: var(--gray-50); }
.stat .num { font-size: 1.6rem; font-weight: 800; color: var(--wpi-red); line-height: 1.1; }
.stat .label { font-size: 0.82rem; color: var(--gray-700); margin-top: 0.25rem; }

/* Team / About Us */
.team { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 1.5rem; margin: 1.75rem 0; }
.member { border: 1px solid var(--gray-200); border-radius: 10px; padding: 1.4rem 1.2rem; text-align: center; background: #fff; transition: box-shadow 0.15s, transform 0.15s; }
.member:hover { box-shadow: 0 6px 18px rgba(0,0,0,0.08); transform: translateY(-2px); }
.member img, .member .avatar {
  width: 120px; height: 120px; border-radius: 50%;
  object-fit: cover; object-position: center top;
  margin: 0 auto 0.9rem; display: block;
  border: 3px solid var(--gray-100);
}
.member .avatar {
  display: flex; align-items: center; justify-content: center;
  background: var(--wpi-red); color: #fff; font-size: 2rem; font-weight: 700;
}
.member .mname { font-weight: 700; font-size: 1.05rem; margin: 0; color: var(--gray-900); }
.member .mtitle { color: var(--wpi-red-dark); font-size: 0.9rem; margin: 0.25rem 0 0.7rem; min-height: 2.4em; }
.member .mmeta { font-size: 0.85rem; color: var(--gray-700); line-height: 1.5; }
.member .mmeta a { color: var(--wpi-red); }
.team-group { margin-top: 2rem; }
.team-group > h2 { border-bottom: 1px solid var(--gray-200); padding-bottom: 0.35rem; }

/* Feature list with checkmarks */
ul.feature { list-style: none; padding: 0; margin: 1rem 0; }
ul.feature li { padding-left: 1.6rem; position: relative; margin-bottom: 0.5rem; }
ul.feature li::before { content: "▸"; color: var(--wpi-red); position: absolute; left: 0; font-weight: 700; }

/* ---- Footer ---- */
.site-footer {
  background: var(--gray-900);
  color: #cbd2d9;
  padding: 2.5rem 0;
  margin-top: 2rem;
}
.site-footer .cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 2rem; }
.site-footer h4 { color: #fff; margin: 0 0 0.6rem; font-size: 1rem; }
.site-footer a { color: #f3b8bd; }
.site-footer .fine { border-top: 1px solid #3d444d; margin-top: 2rem; padding-top: 1rem; font-size: 0.85rem; color: var(--gray-500); }

@media (max-width: 820px) {
  .layout { grid-template-columns: 1fr; }
  nav.main ul { gap: 0.75rem; }
}