/* Height calculator page. Builds on styles.css tokens. */
.calc-page { padding: 56px 0 24px; }
.calc-page .chip { animation: none; }
.calc-page h1 {
  font-family: Outfit, sans-serif;
  font-size: clamp(36px, 7vw, 60px);
  line-height: 1;
  letter-spacing: -0.03em;
  max-width: 16ch;
}
.calc-page h1 em { font-family: "Playfair Display", serif; font-style: italic; color: var(--cyan); }
.calc-lede { margin-top: 16px; color: var(--muted); font-size: 17px; max-width: 52ch; }

.calc-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 20px;
  margin-top: 36px;
  align-items: start;
}
.calc-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #0e0e0e;
}
.calc-form { display: grid; gap: 18px; }
.calc-field { display: grid; gap: 8px; border: 0; }
.calc-field > span,
.calc-field legend {
  font-family: Outfit, sans-serif;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 8px;
}
.calc-field small { color: var(--dim); font-size: 13px; }

.seg {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #141414;
}
.seg label { position: relative; }
.seg input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.seg span {
  display: block;
  padding: 10px 8px;
  border-radius: 10px;
  text-align: center;
  font-weight: 600;
  font-size: 15px;
  color: var(--muted);
  border: 1px solid transparent;
}
.seg input:checked + span { color: var(--cyan); border-color: var(--cyan); background: #0e1a1b; }
.seg input:focus-visible + span { outline: 2px solid var(--cyan); outline-offset: 2px; }

.h-input { display: flex; gap: 8px; }
.h-input input {
  width: 100%;
  min-width: 0;
  height: 50px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #141414;
  color: var(--text);
  font: 600 18px Outfit, sans-serif;
}
.h-input input:focus { outline: none; border-color: var(--cyan); }
.h-input .unit { position: relative; flex: 1; }
.h-input .unit::after {
  content: attr(data-unit);
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--dim);
  font-size: 14px;
  pointer-events: none;
}
[data-units="cm"] .imp, [data-units="ftin"] .met { display: none; }

.calc-go {
  height: 54px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, #4fd0d6, #8ce9ec);
  color: var(--ink);
  font: 700 17px Outfit, sans-serif;
  cursor: pointer;
}
.calc-go:hover { filter: brightness(1.05); }
.calc-error { color: #ffb36b; font-size: 14px; min-height: 1em; }

.calc-result { display: grid; gap: 18px; text-align: left; scroll-margin-top: 88px; }
.calc-result[hidden] { display: none; }
.result-kicker {
  color: var(--cyan);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.result-range {
  font-family: Outfit, sans-serif;
  font-weight: 700;
  font-size: clamp(36px, 7vw, 52px);
  line-height: 1;
  letter-spacing: -0.02em;
}
.result-alt { color: var(--cyan); font-weight: 600; font-size: 18px; margin-top: 6px; }
.result-bar { position: relative; height: 14px; border-radius: 999px; background: #1b1b1b; margin-top: 4px; }
.result-bar i {
  position: absolute;
  top: 0;
  bottom: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(102, 224, 229, 0.35), var(--cyan), rgba(102, 224, 229, 0.35));
}
.result-scale { display: flex; justify-content: space-between; color: var(--dim); font-size: 12px; margin-top: 6px; }
.result-note { color: var(--muted); font-size: 15px; }
.result-years {
  padding: 14px 16px;
  border-radius: 14px;
  background: #1a1a10;
  border: 1px solid rgba(255, 200, 80, 0.25);
  color: #f0d79a;
  font-size: 15px;
}
.result-years[hidden] { display: none; }
.result-upsell {
  padding: 18px;
  border-radius: 18px;
  background: linear-gradient(160deg, #0f2b2d, #0e0e0e);
  border: 1px solid rgba(102, 224, 229, 0.25);
}
.result-upsell h3 { font-family: Outfit, sans-serif; font-size: 20px; margin-bottom: 8px; }
.result-upsell ul { list-style: none; display: grid; gap: 6px; margin-bottom: 16px; color: var(--muted); font-size: 15px; }
.result-upsell li::before { content: "✓"; color: var(--cyan); font-weight: 700; margin-right: 8px; }
.calc-empty { color: var(--dim); font-size: 15px; }
.calc-empty strong { display: block; color: var(--text); font-family: Outfit, sans-serif; font-size: 20px; margin-bottom: 6px; }

.calc-article { max-width: 720px; padding: 64px 0 80px; }
.calc-article h2 { font-size: clamp(26px, 4vw, 34px); line-height: 1.1; margin: 44px 0 14px; }
.calc-article h3 { font-family: Outfit, sans-serif; font-size: 19px; margin: 24px 0 8px; }
.calc-article p, .calc-article li { color: var(--muted); margin-bottom: 12px; font-size: 16px; }
.calc-article ul, .calc-article ol { padding-left: 20px; }
.calc-article .formula {
  padding: 16px 18px;
  border-radius: 14px;
  background: #0e0e0e;
  border: 1px solid var(--line);
  color: var(--text);
  font: 600 15px/1.7 Outfit, sans-serif;
}
.calc-article table { width: 100%; border-collapse: collapse; margin: 8px 0 16px; font-size: 15px; }
.calc-article th, .calc-article td { padding: 10px 8px; border-bottom: 1px solid var(--line); text-align: left; }
.calc-article th { color: var(--dim); font-weight: 600; font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase; }
.calc-article td { color: var(--muted); }
.calc-article details { border-bottom: 1px solid var(--line); padding: 14px 0; }
.calc-article summary { cursor: pointer; color: var(--text); font-weight: 600; font-size: 16px; }
.calc-article details p { margin-top: 10px; }
.calc-sources { font-size: 14px; }

@media (max-width: 860px) {
  .calc-grid { grid-template-columns: 1fr; }
  .calc-page { padding-top: 36px; }
}
@media (max-width: 480px) {
  .calc-card { padding: 18px; border-radius: 20px; }
  .wrap { --gutter: 16px; }
}

/* Guides (articles) */
.guide { padding-top: 40px; }
.guide h1 {
  font-family: Outfit, sans-serif;
  font-size: clamp(34px, 6.4vw, 54px);
  line-height: 1.04;
  letter-spacing: -0.03em;
  color: var(--text);
}
.crumbs { font-size: 13px; color: var(--dim); margin-bottom: 18px; }
.crumbs a { color: var(--dim); }
.updated { margin-top: 12px; font-size: 13px; color: var(--dim); }
.answer {
  margin: 28px 0 8px;
  padding: 20px 22px;
  border-radius: 18px;
  background: #0f2122;
  border: 1px solid rgba(102, 224, 229, 0.28);
}
.answer strong { display: block; color: var(--cyan); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 8px; }
.calc-article .answer p { color: var(--text); margin: 0; font-size: 17px; }
.calc-cta {
  margin: 36px 0;
  padding: 24px;
  border-radius: 20px;
  background: linear-gradient(160deg, #0f2b2d, #0e0e0e);
  border: 1px solid rgba(102, 224, 229, 0.25);
}
.calc-cta h3 { margin: 0 0 6px; color: var(--text); }
.calc-article .calc-cta p { margin-bottom: 16px; }
.calc-cta .btn { height: 44px; padding: 0 22px; font-size: 15px; }
.related { list-style: none; padding: 0 !important; display: grid; gap: 10px; }
.related a {
  display: block;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #0e0e0e;
  color: var(--text);
  font-weight: 600;
}
.related a:hover { border-color: rgba(102, 224, 229, 0.5); text-decoration: none; }