/* zigfood.org — palette P10 (pink cardboard / carmine), type T8 (mono-caps display vs Palatino text), signature device: state matrix */
:root {
  --paper: #f7f2f0;
  --ink: #20161a;
  --accent: #b3234a;
  --muted: #7b666c;
  --shell: #180f12;
  --plate: #efe4e1;
  --line: #d9c8c5;
  --display: 'Trebuchet MS', 'DejaVu Sans Mono', ui-monospace, monospace;
  --text: 'Palatino Linotype', Palatino, 'Bitstream Charter', serif;
}
* { box-sizing: border-box; }
html { margin: 0; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--text);
  font-size: 18px;
  line-height: 1.62;
}
main { display: block; }
h1, h2, h3, .kicker, .stat-n, .wm-name, .btn, th, .mx-day, .mx-kind, .tl-year, .zz-val {
  font-family: var(--display);
  text-transform: uppercase;
  letter-spacing: .08em;
  font-weight: 700;
}
h1 { font-size: 30px; line-height: 1.25; margin: 0 0 18px; }
h2 { font-size: 20px; line-height: 1.3; margin: 0 0 14px; }
h3 { font-size: 15px; margin: 0 0 8px; }
p { margin: 0 0 16px; }
a { color: var(--accent); }
a:hover, a:focus-visible { color: var(--shell); text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

/* masthead */
.masthead {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 18px 28px;
  padding: 22px clamp(18px, 4vw, 56px);
  background: var(--shell); color: var(--paper);
  border-bottom: 4px solid var(--accent);
}
.wordmark { text-decoration: none; color: var(--paper); }
.wm-name { font-size: 22px; }
.wm-tag { display: block; font-size: 12px; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); font-family: var(--display); }
.mainnav { display: flex; flex-wrap: wrap; gap: 4px 20px; margin-left: auto; }
.mainnav a {
  color: var(--paper); text-decoration: none; font-family: var(--display);
  font-size: 13px; text-transform: uppercase; letter-spacing: .1em; padding: 6px 2px;
  border-bottom: 2px solid transparent;
}
.mainnav a:hover, .mainnav a:focus-visible { border-bottom-color: var(--paper); color: var(--paper); }
.mainnav a.on { border-bottom-color: var(--accent); }

/* hero — S01T split_plate */
.hero {
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 32px;
  padding: clamp(28px, 5vw, 64px) clamp(18px, 4vw, 56px);
  background:
    repeating-linear-gradient(0deg, transparent 0 34px, rgba(179, 35, 74, .05) 34px 35px),
    var(--paper);
  align-items: center;
}
.kicker { color: var(--accent); font-size: 13px; margin: 0 0 14px; }
.lede { font-size: 20px; line-height: 1.55; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.btn {
  display: inline-block; padding: 12px 22px; background: var(--accent); color: #fff;
  text-decoration: none; font-size: 13px; border: 2px solid var(--accent);
}
.btn:hover, .btn:focus-visible { background: var(--shell); border-color: var(--shell); color: #fff; }
.btn--ghost { background: transparent; color: var(--accent); }
.btn--ghost:hover, .btn--ghost:focus-visible { background: var(--shell); color: #fff; }
.hero-fig { margin: 0; }
.hero-fig figcaption, .fig figcaption, .fig-note {
  font-size: 14px; color: var(--muted); margin-top: 10px; line-height: 1.5;
}

/* state matrix — signature device */
.state-matrix { width: 100%; height: auto; display: block; }
.mx-cell rect { stroke: var(--ink); stroke-width: 1.5; }
.mx-low rect { fill: var(--paper); }
.mx-high rect { fill: var(--accent); }
.mx-day { font-size: 13px; fill: var(--muted); }
.mx-high .mx-day, .mx-high .mx-kind { fill: #fff; }
.mx-kind { font-size: 12px; fill: var(--ink); }
.mx-kcal { font-family: var(--display); font-size: 12px; fill: var(--muted); }

/* stat strip */
.stats {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 3px solid var(--ink); border-bottom: 3px solid var(--ink);
  margin: 0 clamp(18px, 4vw, 56px);
}
.stat { padding: 18px 16px; border-left: 1px solid var(--line); }
.stat:first-child { border-left: 0; }
.stat-n { display: block; font-size: 22px; color: var(--accent); }
.stat-l { display: block; font-size: 14px; color: var(--muted); margin-top: 6px; }

/* split sections with sticky head */
.split {
  display: grid; grid-template-columns: minmax(0, 280px) minmax(0, 1fr); gap: 28px;
  padding: clamp(26px, 4vw, 48px) clamp(18px, 4vw, 56px);
  border-top: 1px solid var(--line);
}
.shead h2 { position: sticky; top: 20px; }
.shead h2::after { content: ""; display: block; width: 56px; height: 4px; background: var(--accent); margin-top: 10px; }
.sbody { max-width: 72ch; }
.sbody p { max-width: 68ch; }

/* wide sections */
.wide { padding: clamp(26px, 4vw, 48px) clamp(18px, 4vw, 56px); border-top: 1px solid var(--line); }
.sec-lede { color: var(--muted); max-width: 68ch; }
.narrow-cta { text-align: center; }

/* pagehead for internal pages */
.pagehead { padding: clamp(30px, 5vw, 56px) clamp(18px, 4vw, 56px) clamp(18px, 3vw, 30px); }
.pagehead h1 { max-width: 22ch; }
.pagehead .lede { max-width: 68ch; }

/* tables */
.fig { margin: 0 0 8px; }
.fig table, table {
  width: 100%; border-collapse: collapse; font-size: 16px;
  background: var(--paper);
}
th, td { padding: 10px 12px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
thead th { background: var(--shell); color: var(--paper); font-size: 12px; }
tbody th { font-size: 13px; color: var(--ink); }
tbody tr:nth-child(even) td, tbody tr:nth-child(even) th { background: var(--plate); }
.fig--plain { overflow-x: auto; }

/* mistakes grid */
.mistakes { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-top: 18px; }
.mistake {
  background: var(--plate); border: 1px solid var(--line); border-top: 4px solid var(--accent);
  padding: 16px 18px;
}
.mistake p { font-size: 15px; margin: 0; }

/* plan levels */
.plan-level { margin-bottom: 28px; }

/* zigzag chart */
.zigzag-chart { width: 100%; height: auto; display: block; background: var(--plate); border: 1px solid var(--line); }
.zz-line { fill: none; stroke: var(--accent); stroke-width: 3; }
.zz-dot { fill: var(--accent); }
.zz-val { font-size: 12px; fill: var(--ink); }
.zz-day { font-family: var(--display); font-size: 12px; fill: var(--muted); text-transform: uppercase; }
.zz-avg { stroke: var(--muted); stroke-width: 1.5; stroke-dasharray: 7 5; }
.zz-avg-label { font-family: var(--display); font-size: 12px; fill: var(--muted); }

/* timeline */
.timeline { width: 100%; height: auto; display: block; margin-top: 18px; }
.tl-axis { stroke: var(--ink); stroke-width: 2; }
.tl-tick { stroke: var(--accent); stroke-width: 2; }
.tl-year { font-size: 14px; fill: var(--accent); }
.tl-label { font-family: var(--display); font-size: 11px; fill: var(--muted); }

/* lists */
.lines { margin: 0; padding-left: 20px; }
.lines li { margin-bottom: 10px; }

/* faq */
.faq { padding: clamp(26px, 4vw, 48px) clamp(18px, 4vw, 56px); border-top: 1px solid var(--line); }
.faq-item { border: 1px solid var(--line); border-left: 4px solid var(--accent); background: var(--paper); margin-bottom: 10px; }
.faq-item summary {
  cursor: pointer; padding: 14px 18px; font-family: var(--display);
  font-size: 14px; text-transform: uppercase; letter-spacing: .06em; font-weight: 700;
}
.faq-item summary:hover { color: var(--accent); }
.faq-item p { padding: 0 18px 16px; margin: 0; max-width: 72ch; }

/* footer */
.foot { background: var(--shell); color: var(--paper); padding: 30px clamp(18px, 4vw, 56px); margin-top: 40px; }
.foot-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px; align-items: start; }
.foot a { color: var(--paper); }
.footnav { display: flex; flex-wrap: wrap; gap: 6px 18px; justify-content: flex-end; }
.footnav a { font-family: var(--display); font-size: 12px; text-transform: uppercase; letter-spacing: .1em; text-decoration: none; }
.footnav a:hover { text-decoration: underline; }
.foot div { font-size: 15px; line-height: 1.6; }

/* scroll reveal — transform only, content always painted (drops73 lesson) */
@media (prefers-reduced-motion: no-preference) {
  @supports (animation-timeline: view()) {
    .split, .wide, .faq-item { animation: rise .6s ease-out both; animation-timeline: view(); animation-range: entry 0% entry 40%; }
    @keyframes rise { from { transform: translateY(18px); } to { transform: translateY(0); } }
  }
}

/* mobile */
@media (max-width: 860px) {
  body { font-size: 17px; }
  .hero { grid-template-columns: minmax(0, 1fr); }
  .split { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .shead h2 { position: static; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat:nth-child(3) { border-left: 0; }
  .stat { border-top: 1px solid var(--line); }
  .stat:nth-child(-n+2) { border-top: 0; }
  .foot-grid { grid-template-columns: minmax(0, 1fr); }
  .footnav { justify-content: flex-start; }
  .mainnav { margin-left: 0; }
}