/* ============================================================
   isitreallycheap.com — shared styles
   Palette: cool paper, ink navy, ledger green, carmine
   Type: Newsreader (display) / Inter (body) / IBM Plex Mono (figures)
   ============================================================ */

:root {
  --paper: #f6f7f4;
  --card: #ffffff;
  --ink: #16233b;
  --ink-soft: #52607a;
  --line: #d9ddd3;
  --green: #1e6e54;
  --green-soft: #e3efe9;
  --red: #a23b47;
  --red-soft: #f4e6e8;
  --amber: #8a6d1f;
  --amber-soft: #f3ecd8;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --display: "Newsreader", Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 20px;
}

a { color: var(--green); text-underline-offset: 3px; }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

/* ---------- masthead ---------- */

header.masthead {
  border-bottom: 2px solid var(--ink);
  padding: 22px 0 16px;
}

.masthead .wrap {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.brand {
  font-family: var(--display);
  font-weight: 600;
  font-style: italic;
  font-size: 1.35rem;
  letter-spacing: 0.01em;
  color: var(--ink);
  text-decoration: none;
}
.brand .q { color: var(--green); }

.masthead .tag {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
}

/* ---------- hero (home) ---------- */

.hero { padding: 56px 0 40px; }

.hero h1 {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(2.4rem, 8vw, 4rem);
  line-height: 1.05;
  margin: 0 0 18px;
  letter-spacing: -0.015em;
}
.hero h1 em {
  font-style: italic;
  color: var(--green);
}

.hero p.lede {
  font-size: 1.08rem;
  color: var(--ink-soft);
  max-width: 56ch;
  margin: 0;
}

/* ---------- section labels ---------- */

.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
  padding-top: 14px;
  margin: 40px 0 16px;
}

/* ---------- dossier cards ---------- */

.dossier {
  display: block;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px 20px 18px;
  margin-bottom: 16px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.dossier:hover { border-color: var(--ink); transform: translateY(-1px); }

.dossier .row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}

.dossier h2 {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.3rem;
  margin: 0;
}

.dossier .ticker {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-soft);
}

.dossier p.oneline {
  margin: 8px 0 14px;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

/* ---------- gap bar (signature element) ---------- */

.gapbar { margin: 6px 0 2px; }

.gapbar .track {
  position: relative;
  height: 14px;
  border-radius: 7px;
  background: linear-gradient(to right, var(--line), var(--line));
  overflow: hidden;
}
.gapbar .fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--price-pct, 40%);
  background: var(--ink);
  opacity: 0.85;
}
.gapbar .gap {
  position: absolute;
  inset: 0 auto 0 var(--price-pct, 40%);
  width: calc(var(--value-pct, 100%) - var(--price-pct, 40%));
  background: repeating-linear-gradient(
    -55deg,
    var(--green),
    var(--green) 4px,
    var(--green-soft) 4px,
    var(--green-soft) 8px
  );
}
.gapbar.negative .gap {
  background: repeating-linear-gradient(
    -55deg,
    var(--red),
    var(--red) 4px,
    var(--red-soft) 4px,
    var(--red-soft) 8px
  );
}

.gapbar .legend {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ink-soft);
  margin-top: 6px;
  gap: 8px;
}
.gapbar .legend strong { color: var(--ink); font-weight: 600; }

/* ---------- verdict panel ---------- */

.verdict {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px 22px;
  margin: 28px 0;
}

.verdict .badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 5px 10px;
  border-radius: 6px;
  margin-bottom: 14px;
  background: var(--green-soft);
  color: var(--green);
}
.verdict .badge.fair { background: var(--amber-soft); color: var(--amber); }
.verdict .badge.rich { background: var(--red-soft); color: var(--red); }

.verdict .figures {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.verdict .fig .num {
  font-family: var(--mono);
  font-size: 1.7rem;
  font-weight: 600;
  line-height: 1.2;
}
.verdict .fig .num.up { color: var(--green); }
.verdict .fig .num.down { color: var(--red); }
.verdict .fig .lbl {
  font-size: 0.78rem;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.verdict p.note {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin: 14px 0 0;
}

/* ---------- article body ---------- */

article h1.title {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(1.9rem, 6vw, 2.8rem);
  line-height: 1.12;
  margin: 40px 0 8px;
  letter-spacing: -0.01em;
}

.meta {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--ink-soft);
  margin-bottom: 4px;
}

article p.standfirst {
  font-size: 1.08rem;
  color: var(--ink-soft);
  margin: 10px 0 0;
  max-width: 60ch;
}

/* ---------- model panel ---------- */

.model {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 22px;
  margin: 20px 0 28px;
}

.model h3 {
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 600;
  margin: 22px 0 10px;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
}
.model h3:first-of-type { margin-top: 0; padding-top: 0; border-top: none; }

.ctrl { margin: 14px 0; }

.ctrl label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  font-size: 0.88rem;
  margin-bottom: 6px;
}
.ctrl label .val {
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
}

.ctrl input[type="range"] {
  width: 100%;
  accent-color: var(--green);
  height: 28px;
  margin: 0;
}

.ctrl input[type="number"] {
  width: 110px;
  font-family: var(--mono);
  font-size: 0.9rem;
  padding: 7px 9px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--paper);
  color: var(--ink);
}

.ctrl .hint {
  font-size: 0.76rem;
  color: var(--ink-soft);
  margin-top: 3px;
}

.model .actions { margin-top: 20px; display: flex; gap: 10px; flex-wrap: wrap; }

button.reset {
  font-family: var(--mono);
  font-size: 0.8rem;
  padding: 9px 14px;
  border: 1px solid var(--ink);
  border-radius: 7px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}
button.reset:hover { background: var(--ink); color: var(--paper); }

/* ---------- accordions ---------- */

details.chunk {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  margin-bottom: 12px;
  overflow: hidden;
}
details.chunk summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 18px;
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.05rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}
details.chunk summary::-webkit-details-marker { display: none; }
details.chunk summary::after {
  content: "+";
  font-family: var(--mono);
  font-size: 1rem;
  color: var(--ink-soft);
}
details.chunk[open] summary::after { content: "\2212"; }
details.chunk .body {
  padding: 0 18px 18px;
  font-size: 0.95rem;
}
details.chunk .body p { margin: 0 0 12px; }
details.chunk .body ul { margin: 0 0 12px; padding-left: 20px; }
details.chunk .body li { margin-bottom: 6px; }

table.facts {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  margin: 8px 0 14px;
}
table.facts td {
  padding: 7px 0;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
table.facts td:last-child {
  font-family: var(--mono);
  text-align: right;
  white-space: nowrap;
}

/* ---------- segmented control (time point) ---------- */

.seg {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 8px 0 4px;
}
.seg label {
  flex: 1 1 auto;
  text-align: center;
  font-family: var(--mono);
  font-size: 0.74rem;
  padding: 9px 8px;
  border: 1px solid var(--line);
  border-radius: 7px;
  cursor: pointer;
  background: var(--paper);
  color: var(--ink-soft);
  white-space: nowrap;
}
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg input:checked + span { color: inherit; }
.seg label:has(input:checked) {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}
.seg label:has(input:focus-visible) {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

/* ---------- footer ---------- */

footer.site {
  border-top: 2px solid var(--ink);
  margin-top: 56px;
  padding: 24px 0 40px;
  font-size: 0.8rem;
  color: var(--ink-soft);
}
footer.site p { margin: 0 0 8px; }