/* Plan C static site. Black and white palette, geometric shapes, lines,
   organic shapes. Vanilla CSS, no frameworks. */
:root {
  --ink: #111111;
  --muted: #5c5c5c;
  --line: #d9d9d9;
  --bg: #ffffff;
  --soft: #f4f4f4;
  --card: #ffffff;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}
a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: #000; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  background: var(--bg);
  border-bottom: 2px solid var(--ink);
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  gap: 22px;
  min-height: 60px;
  flex-wrap: wrap;
  padding-top: 8px;
  padding-bottom: 8px;
}
.logo { font-weight: 800; font-size: 22px; letter-spacing: 0.05em; color: var(--ink); text-decoration: none; }
.logo span { display: inline-block; width: 12px; height: 12px; background: var(--ink); border-radius: 50%; margin-left: 2px; }
.main-nav { display: flex; gap: 16px; flex-wrap: wrap; }
.main-nav a { color: var(--ink); text-decoration: none; font-size: 14px; }
.main-nav a:hover { text-decoration: underline; }
.nav-cta { margin-left: auto; }
.btn {
  display: inline-block;
  background: var(--ink);
  color: #fff;
  border: 2px solid var(--ink);
  padding: 10px 18px;
  font-size: 15px;
  cursor: pointer;
  text-decoration: none;
  border-radius: 0;
}
.btn:hover { background: #fff; color: var(--ink); }
.btn-secondary { background: #fff; color: var(--ink); }
.btn-secondary:hover { background: var(--ink); color: #fff; }
.btn-small { padding: 7px 12px; font-size: 14px; }

/* Hero and decorative shapes */
.hero { padding: 52px 0 36px; position: relative; }
.hero h1 { font-size: 42px; line-height: 1.15; margin: 0 0 12px; max-width: 720px; letter-spacing: -0.01em; }
.hero p.lede { font-size: 19px; color: var(--muted); max-width: 720px; margin: 0 0 20px; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.14em; font-size: 12px; font-weight: 800; }
.rule { height: 2px; background: var(--ink); margin: 0 0 24px; }
.shapes { display: flex; gap: 18px; align-items: center; margin: 24px 0 4px; }
.shape { flex: none; }
.shape-circle { width: 54px; height: 54px; background: var(--ink); border-radius: 50%; }
.shape-ring { width: 54px; height: 54px; border: 3px solid var(--ink); border-radius: 50%; }
.shape-blob {
  width: 64px; height: 52px; background: var(--ink);
  border-radius: 58% 42% 55% 45% / 52% 60% 40% 48%;
}
.shape-bar { width: 90px; height: 10px; background: var(--ink); }
.shape-square { width: 44px; height: 44px; border: 3px solid var(--ink); }

/* Sections */
.section { padding: 28px 0; }
.section h2 { font-size: 26px; margin: 0 0 8px; }
.section p.intro { color: var(--muted); max-width: 720px; margin: 0 0 20px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.card {
  background: var(--card);
  border: 2px solid var(--ink);
  border-radius: 0;
  padding: 20px;
}
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 0 0 10px; color: var(--muted); font-size: 15px; }
.card .tag {
  display: inline-block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: var(--soft);
  border: 1px solid var(--ink);
  padding: 2px 8px;
  color: var(--ink);
}

/* Collection / product blocks: monochrome typographic treatments, not photos */
.block {
  height: 130px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 46px;
  font-weight: 800;
  margin-bottom: 14px;
  border: 2px solid var(--ink);
}
.block.b1 { background: #fff; color: var(--ink); }
.block.b2 { background: var(--ink); color: #fff; }
.block.b3 {
  background: repeating-linear-gradient(-45deg, #fff 0 14px, var(--ink) 14px 16px);
  color: var(--ink);
}
.block.b3 span { background: #fff; padding: 2px 14px; border: 2px solid var(--ink); }
.block.b4 { background: #fff; color: var(--ink); border-radius: 50% / 100% 100% 0 0; }
.product-card .sku { font-size: 13px; color: var(--muted); }
.price { font-size: 20px; font-weight: 800; margin: 10px 0 2px; }
.price-note { font-size: 13px; color: var(--muted); margin: 0 0 12px; }
.field { margin: 10px 0; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 4px; }
.field select, .field input[type="number"], .field input[type="text"],
.field input[type="email"], .field textarea {
  width: 100%;
  padding: 8px 10px;
  font-size: 15px;
  border: 2px solid var(--ink);
  border-radius: 0;
  background: #fff;
  color: var(--ink);
}
.field textarea { min-height: 110px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.form-grid .full { grid-column: 1 / -1; }
.status {
  border: 2px solid var(--ink);
  background: var(--soft);
  padding: 14px 16px;
  margin: 16px 0;
}
.status strong { display: block; margin-bottom: 4px; }
.summary-box {
  width: 100%;
  min-height: 220px;
  font-family: monospace;
  font-size: 13px;
  padding: 12px;
  border: 2px solid var(--ink);
  border-radius: 0;
  background: #fff;
}
.project-item {
  display: flex;
  gap: 16px;
  justify-content: space-between;
  align-items: flex-start;
  border-bottom: 2px solid var(--ink);
  padding: 14px 0;
}
.project-item:last-child { border-bottom: 0; }
.project-item .remove { color: var(--ink); background: none; border: 0; cursor: pointer; font-size: 14px; padding: 0; text-decoration: underline; }
.total-row { display: flex; justify-content: space-between; font-weight: 800; font-size: 18px; padding-top: 14px; border-top: 2px solid var(--ink); margin-top: 8px; }
.note { font-size: 14px; color: var(--muted); }
.empty-state {
  border: 2px dashed var(--ink);
  padding: 28px;
  text-align: left;
  margin: 8px 0 20px;
}
.empty-state p { color: var(--muted); max-width: 640px; }
.site-footer { border-top: 2px solid var(--ink); margin-top: 48px; padding: 28px 0; color: var(--muted); font-size: 14px; }
.site-footer a { color: var(--muted); }
.breadcrumbs { font-size: 14px; color: var(--muted); margin: 20px 0 0; }
.breadcrumbs a { color: var(--muted); }

@media (max-width: 640px) {
  .hero h1 { font-size: 30px; }
  .form-grid { grid-template-columns: 1fr; }
  .nav-cta { margin-left: 0; }
  .project-item { flex-direction: column; }
}