:root {
  --bg: #071218;
  --bg-soft: #0f2430;
  --panel: #f3f7f8;
  --ink: #12222b;
  --muted: #5b6f7a;
  --teal: #1f9aa8;
  --teal-deep: #0e6f7a;
  --accent: #c6f36d;
  --danger: #b42318;
  --ok: #067647;
  --line: rgba(18, 34, 43, 0.1);
  --shadow: 0 18px 40px rgba(8, 28, 36, 0.1);
  --radius: 18px;
  --font: "IBM Plex Sans", "Segoe UI", sans-serif;
  --display: "Syne", "Franklin Gothic Medium", sans-serif;
  --cols-web-apps: 2;
  --cols-software: 2;
  --cols-catalog: 2;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  color: var(--ink, #12222b);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(31,154,168,.12), transparent 55%),
    radial-gradient(900px 400px at 90% 0%, rgba(198,243,109,.08), transparent 50%),
    linear-gradient(180deg, var(--page-bg, #e8eef2) 0%, var(--panel, #f7fafb) 42%, var(--page-bg, #eef3f5) 100%);
  min-height: 100vh;
}
a { color: var(--teal-deep); }
.wrap { width: min(var(--wrap-max, 1080px), calc(100% - 2rem)); margin: 0 auto; }
.narrow, .narrow-prose { width: min(var(--wrap-max, 1080px), calc(100% - 2rem)); margin-left: auto; margin-right: auto; }
.skip-link {
  position: absolute; left: -999px; top: 0; background: #fff; padding: .5rem 1rem; z-index: 100;
}
.skip-link:focus { left: 1rem; top: 1rem; }

.site-header {
  position: sticky; top: 0; z-index: 40;
  backdrop-filter: blur(12px);
  background: var(--header-bg, #071218);
  border-bottom: 1px solid var(--chrome-border, rgba(255,255,255,0.08));
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 68px; }
.brand { display: flex; align-items: center; gap: .7rem; text-decoration: none; color: var(--chrome-text, #fff); }
.brand-mark {
  background: var(--accent); color: var(--on-accent, #102018); font-weight: 800; letter-spacing: .04em;
  padding: .4rem .6rem; border-radius: 10px; font-family: var(--display);
}
.brand-name { font-size: .95rem; opacity: .92; max-width: 240px; line-height: 1.2; font-weight: 600; }
.site-nav { display: flex; flex-wrap: wrap; gap: .95rem; align-items: center; }
.site-nav a {
  color: var(--chrome-muted, #9fe7ef); text-decoration: none; text-transform: uppercase;
  font-size: .76rem; letter-spacing: .07em; font-weight: 600;
}
.site-nav a:hover { color: var(--chrome-hover, #fff); }
.nav-admin {
  border: 1px solid var(--chrome-border, rgba(159,231,239,.35));
  padding: .4rem .7rem;
  border-radius: 999px;
  color: var(--chrome-text, #e8f6f8);
  background: var(--chrome-wash, rgba(255,255,255,.06));
}
.nav-toggle {
  display: none; background: transparent; color: var(--chrome-muted, #9fe7ef); border: 1px solid var(--chrome-border, rgba(159,231,239,.4));
  border-radius: 10px; padding: .45rem .75rem; min-height: 44px;
}

.hero:not(.tstp-hero) {
  position: relative; min-height: min(78vh, 700px); display: grid; place-items: center;
  color: var(--chrome-text, #fff); overflow: hidden;
}
.hero:not(.tstp-hero) .hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 18% 25%, rgba(31,154,168,.5), transparent 38%),
    radial-gradient(circle at 82% 12%, rgba(198,243,109,.18), transparent 32%),
    linear-gradient(145deg, var(--hero-from, #050f14) 0%, var(--hero-mid, #0c2a33) 48%, var(--hero-to, #11404c) 100%);
}
.hero:not(.tstp-hero) .hero-bg::after {
  content: ""; position: absolute; inset: 0; opacity: .22;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(180deg, #000 30%, transparent 95%);
}
.hero:not(.tstp-hero) .hero-content {
  position: relative;
  text-align: center;
  padding: 5rem 0 4rem;
  width: min(var(--wrap-max, 1080px), calc(100% - 2rem));
  margin-left: auto;
  margin-right: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.eyebrow { text-transform: uppercase; letter-spacing: .2em; font-size: .78rem; opacity: .82; margin: 0 0 .6rem; }
.hero:not(.tstp-hero) .hero-brand {
  font-family: var(--display); font-size: clamp(4rem, 14vw, 7.5rem);
  margin: 0 0 .55rem; letter-spacing: .04em; line-height: .95;
  color: var(--chrome-text, #fff);
}
.hero:not(.tstp-hero) .hero-lead {
  max-width: 36rem;
  margin: 0 auto 1.5rem;
  color: var(--chrome-muted, #d7eef2);
  font-size: 1.08rem;
  line-height: 1.55;
}
.hero:not(.tstp-hero) .hero-cta {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
  justify-content: center;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 46px;
  padding: .75rem 1.15rem; border-radius: 12px; text-decoration: none; font-weight: 700;
  border: 0; cursor: pointer; font: inherit;
}
.btn-primary { background: var(--accent); color: var(--on-accent, #13241a); }
.btn-ghost { border: 1px solid var(--chrome-border, rgba(255,255,255,.45)); color: var(--chrome-text, #fff); background: transparent; }

.section { padding: 4.25rem 0; }
.section.stacked { padding-top: 3.5rem; padding-bottom: 3.5rem; }
.section-band {
  background:
    linear-gradient(180deg, rgba(255,255,255,.35), rgba(255,255,255,.55));
  border-block: 1px solid var(--line);
}
.section-head { max-width: 40rem; margin-bottom: 1.75rem; }
.section h1, .section h2 { font-family: var(--display); margin: 0 0 .55rem; letter-spacing: -.01em; }
.section-lead { color: var(--muted); max-width: 40rem; margin: 0; line-height: 1.55; }

.stack-grid {
  display: grid;
  grid-template-columns: repeat(var(--stack-cols, 2), minmax(0, 1fr));
  gap: 1.15rem 1.35rem;
}
.product-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
  padding: 1.15rem 1.2rem;
  border-radius: var(--radius);
  background: var(--card-bg, var(--panel, #fff));
  border: 1px solid var(--line, rgba(18,34,43,.07));
  box-shadow: none;
  transition: transform .18s ease, border-color .18s ease, background .18s ease, box-shadow .18s ease;
  position: relative;
}
.product-row--clickable {
  cursor: pointer;
}
.product-row-stretch {
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: inherit;
  text-indent: -9999px;
  overflow: hidden;
}
.product-row-body,
.product-row-icon,
.product-row-action {
  position: relative;
  z-index: 0;
  pointer-events: none;
}
.product-row-body { min-width: 0; }
.product-excerpt {
  margin: .35rem 0 0;
  color: var(--muted);
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-row:hover,
.product-row:focus-within {
  transform: translateY(-2px);
  border-color: var(--teal, #1f9aa8);
  background: var(--panel, #fff);
  box-shadow: 0 10px 28px rgba(7, 18, 24, 0.08);
}
.product-row-icon {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(145deg, var(--teal, #1f9aa8), var(--teal-deep, #0e6f7a)); color: var(--on-accent, #fff); font-weight: 800;
}
.product-kicker {
  margin: 0 0 .2rem; text-transform: uppercase; letter-spacing: .08em;
  font-size: .68rem; color: var(--teal-deep); font-weight: 700;
}
.product-row h3 { margin: 0 0 .2rem; font-size: 1.12rem; font-family: var(--display); }
.product-row h3 a { color: inherit; text-decoration: none; }
.product-row .btn-quiet,
.product-row-cta {
  background: var(--input-bg, var(--panel, #eef5f7)); color: var(--ink); border: 1px solid var(--line, #d5e3e8); min-height: 42px;
  display: inline-flex; align-items: center; justify-content: center; padding: 0 .9rem; border-radius: 999px;
  font-weight: 600; font-size: .9rem;
}
.product-row:hover .product-row-cta,
.product-row:focus-within .product-row-cta {
  background: var(--teal, #1f9aa8);
  border-color: var(--teal, #1f9aa8);
  color: var(--on-accent, #fff);
}
.meta { color: var(--muted); font-size: .85rem; margin: 0; }
.more-link { margin-top: 1.5rem; }

.donate-banner {
  background:
    radial-gradient(circle at 20% 20%, color-mix(in srgb, var(--accent, #c6f36d) 22%, transparent), transparent 42%),
    linear-gradient(
      120deg,
      var(--hero-from, var(--teal-deep, #0e4f7a)) 0%,
      var(--hero-mid, var(--teal, #1f9aa8)) 52%,
      var(--hero-to, var(--accent, #1f9aa8)) 100%
    );
  color: var(--hero-ink, #e8f6f8);
  border-radius: var(--radius);
  padding: 1.75rem 1.4rem;
  margin-bottom: 1.75rem;
  border: 1px solid var(--hero-border, rgba(255, 255, 255, 0.12));
}
.donate-banner .eyebrow { opacity: .85; margin-bottom: .35rem; color: var(--hero-muted, #cfe9ee); }
.donate-banner h1 { color: var(--hero-ink, #e8f6f8); margin: 0 0 .45rem; font-family: var(--display); }
.donate-banner p { margin: 0; max-width: 34rem; line-height: 1.5; color: var(--hero-muted, #cfe9ee); }
.donate-pillars {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.5rem 0 2rem;
}
.donate-pillar {
  padding: 1.1rem 1rem;
  border-radius: 16px;
  background: rgba(255,255,255,.78);
  border: 1px solid rgba(18,34,43,.08);
}
.donate-pillar h3 { margin: 0 0 .4rem; font-family: var(--display); font-size: 1.05rem; }
.donate-pillar p { margin: 0; color: var(--muted); line-height: 1.45; }
.contact-list { padding-left: 1.1rem; line-height: 1.7; }

.module-table-wrap { overflow-x: auto; margin: 1rem 0 2rem; }
.module-table { width: 100%; border-collapse: collapse; background: var(--panel, #fff); border-radius: 12px; overflow: hidden; }
.module-table th, .module-table td { text-align: left; padding: .75rem .85rem; border-bottom: 1px solid var(--line, #e5eef1); vertical-align: top; }
.module-table th { background: var(--header-bg, #122833); color: var(--chrome-text, #dff6f9); font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; }
.badge { display: inline-block; padding: .2rem .5rem; border-radius: 999px; font-size: .75rem; font-weight: 700; }
.badge-scaffolded, .badge-implemented { background: #dcfce7; color: #067647; }
.badge-partial { background: #fef3c7; color: #92400e; }
.badge-planned { background: #e0f2fe; color: #075985; }

.site-footer { background: var(--footer-bg, var(--header-bg, #071218)); color: var(--footer-text, var(--chrome-muted, #c9dde3)); padding: 2.4rem 0; margin-top: 2rem; }
.footer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.social-link { color: var(--chrome-muted, #9fe7ef); margin-right: .5rem; text-transform: capitalize; }
.muted { color: var(--muted); }
.hero:not(.tstp-hero) .wrap.hero-content { max-width: none; }

.panel {
  background: var(--panel, #fff);
  color: var(--ink, #12222b);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.1rem;
  margin-bottom: 1rem;
  border: 1px solid var(--line, rgba(18,34,43,.12));
}
.panel h1, .panel h2, .panel h3, .panel p, .panel label, .panel li { color: inherit; }
.panel .muted { color: var(--muted, #5b6f7a); }
.field-hint { margin: .35rem 0 0; font-size: .88rem; line-height: 1.45; }
.form-row { margin: 0 0 1rem; }
.form-row label { display: block; font-weight: 600; margin: 0 0 .35rem; }
.form-row input[type="text"],
.form-row input[type="email"],
.form-row input[type="password"],
.form-row input[type="url"],
.form-row input[type="number"],
.form-row select,
.form-row textarea {
  width: 100%;
  max-width: 100%;
  min-height: 42px;
  padding: .55rem .7rem;
  border-radius: 10px;
  border: 1px solid var(--line, #cfdce2);
  background: var(--input-bg, var(--panel, #fff));
  color: var(--ink, #12222b);
  font: inherit;
}
.form-row textarea { min-height: 110px; resize: vertical; }
.req { color: var(--danger, #b42318); }
.flash { padding: .75rem 1rem; border-radius: 10px; margin-bottom: 1rem; }
.flash-ok { background: #ecfdf3; color: #067647; }
.flash-err { background: #fef3f2; color: #b42318; }
.form-row { margin-bottom: 1rem; }
.form-row label { display: block; font-weight: 700; margin-bottom: .35rem; }
.form-row input[type="text"],
.form-row input[type="email"],
.form-row input[type="password"],
.form-row input[type="url"],
.form-row input[type="number"],
.form-row input[type="search"],
.form-row input[type="tel"],
.form-row input[type="datetime-local"],
.form-row select,
.form-row textarea {
  width: 100%; min-height: 44px; padding: .55rem .7rem; border: 1px solid var(--line, #c9d7de); border-radius: 10px; font: inherit;
  background: var(--input-bg, var(--panel, #fff)); color: var(--ink, #12222b);
}
.form-row input[type="checkbox"],
.form-row input[type="radio"] {
  width: 1rem;
  height: 1rem;
  min-width: 1rem;
  min-height: 1rem;
  max-width: 1rem;
  max-height: 1rem;
  margin: 0.2rem 0 0;
  padding: 0;
  flex: 0 0 auto;
  accent-color: var(--teal, #1f9aa8);
  vertical-align: top;
}
.form-row label:has(> input[type="checkbox"]),
.form-row label:has(> input[type="radio"]),
.form-row .ai-check,
.form-row label.ai-check {
  display: flex;
  align-items: flex-start;
  gap: 0.45rem;
  font-weight: 600;
  margin: 0;
  line-height: 1.35;
}
.checks { display: grid; gap: .5rem; }
.check-ok { color: var(--ok); }
.check-bad { color: var(--danger); }

.editor-list { display: grid; gap: .65rem; }
.editor-row {
  display: grid; grid-template-columns: 28px 1fr auto auto; gap: .75rem; align-items: center;
  padding: .75rem .9rem; border: 1px solid var(--line, #d7e3e8); border-radius: 12px; background: var(--panel, #fff);
  cursor: grab;
}
.editor-row.dragging { opacity: .55; }
.editor-handle { color: var(--muted, #7a909a); font-weight: 700; user-select: none; }

.error-page { min-height: 70vh; display: grid; place-items: center; text-align: center; padding: 2rem; }
.error-card { background: var(--panel, #fff); color: var(--ink, #12222b); padding: 2rem; border-radius: var(--radius); box-shadow: var(--shadow); max-width: 520px; }

.preview-banner {
  background: #fff7d6;
  color: #7a5a00;
  padding: .65rem 1rem;
  text-align: center;
  font-weight: 600;
  border-bottom: 1px solid #f0d98a;
}
.layout-preview-hidden {
  outline: 2px dashed #b42318;
  outline-offset: 4px;
  opacity: .55;
}

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .site-nav {
    display: none; width: 100%; flex-direction: column; align-items: flex-start;
    padding: 0 0 1rem;
  }
  .site-nav.open { display: flex; }
  .header-inner { flex-wrap: wrap; }
  .footer-grid { grid-template-columns: 1fr; }
  .brand-name { max-width: 55vw; }
  .hero:not(.tstp-hero) .hero-content { text-align: center; padding: 3.5rem 0 3rem; }
  .stack-grid { grid-template-columns: 1fr !important; }
  .product-row { grid-template-columns: auto minmax(0, 1fr); }
  .product-row-action { grid-column: 1 / -1; }
  .product-row-action .btn { width: 100%; }
  .editor-row { grid-template-columns: 28px 1fr; }
  .donate-pillars { grid-template-columns: 1fr; }
}