/* TryCalculatorz — global styles. Mobile-first. */

:root {
  --bg: #f6f8fc;
  --card: #ffffff;
  --text: #0f1f43;
  --muted: #5f6d89;
  --line: #d9e1ef;
  --line-strong: #c7d2e5;
  --brand: #2563eb;
  --brand-dark: #1d4ed8;
  --brand-soft: #eaf1ff;
  --ok: #0f9d6c;
  --ok-soft: #dff5ec;
  --warn: #d98a1e;
  --warn-soft: #fbeed4;
  --alert: #dc4c4c;
  --alert-soft: #fbe2e2;

  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", monospace;

  --radius: 14px;
  --maxw: 900px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
}

.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 16px; }

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(246, 248, 252, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header__in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
}
.logo:hover { text-decoration: none; }
.logo b { color: var(--brand); }
/* ---- Header nav / hamburger ---- */
.site-header__in { position: relative; }

.nav-toggle {
  display: none; /* shown on mobile only */
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--card);
  cursor: pointer;
}
.nav-toggle:hover { background: var(--brand-soft); border-color: var(--brand); }
.nav-toggle__bars { position: relative; width: 20px; height: 14px; }
.nav-toggle__bars span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: var(--text);
  transition: transform 0.2s ease, opacity 0.2s ease, top 0.2s ease;
}
.nav-toggle__bars span:nth-child(1) { top: 0; }
.nav-toggle__bars span:nth-child(2) { top: 6px; }
.nav-toggle__bars span:nth-child(3) { top: 12px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1) { top: 6px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3) { top: 6px; transform: rotate(-45deg); }

/* Default (wider screens): inline nav */
.site-header .site-nav { display: flex; flex-direction: row; gap: 18px; align-items: center; }
.site-header .site-nav a {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}
.site-header .site-nav a:hover { color: var(--brand); text-decoration: none; }

/* Mobile: hamburger dropdown */
@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }
  .site-header .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    min-width: 220px;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 8px;
    background: var(--card);
    border: 1px solid var(--line-strong);
    border-radius: 12px;
    box-shadow: 0 18px 44px -18px rgba(15, 31, 67, 0.4);
    z-index: 60;
  }
  .site-header .site-nav[data-open="false"] { display: none; }
  .site-header .site-nav[data-open="true"] { display: flex; animation: menuIn 0.16s ease; }
  .site-header .site-nav a {
    padding: 12px 14px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: none;
    letter-spacing: 0;
    color: var(--text);
  }
  .site-header .site-nav a:hover { background: var(--brand-soft); color: var(--brand-dark); }
}
@keyframes menuIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: none; }
}

/* ---------- Breadcrumb ---------- */
.crumbs { font-size: 0.85rem; color: var(--muted); padding-block: 16px 4px; }
.crumbs a { color: var(--muted); }
.crumbs span { color: var(--brand); }

/* ---------- Page head ---------- */
.page-head { padding-block: 8px 20px; }
.page-head h1 {
  font-size: 2.1rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.page-head p { margin-top: 8px; color: var(--muted); font-size: 1.05rem; max-width: 46ch; }

/* ---------- Card ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: 0 8px 30px -18px rgba(15, 31, 67, 0.25);
}

/* ---------- Form ---------- */
.field { margin-bottom: 16px; }
.field:last-child { margin-bottom: 0; }
.field label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-bottom: 6px;
}
.control { display: flex; gap: 8px; }
input[type="number"], select {
  width: 100%;
  min-width: 0;
  font-family: var(--mono);
  font-size: 1.05rem;
  padding: 12px 14px;
  border: 1.5px solid var(--line-strong);
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
  appearance: none;
  -webkit-appearance: none;
}
select { font-family: var(--font); background: var(--card); cursor: pointer; }
.control select { flex: 0 0 auto; width: auto; }
input:focus-visible, select:focus-visible, button:focus-visible {
  outline: 2.5px solid var(--brand);
  outline-offset: 1px;
}
.hint { font-size: 0.82rem; color: var(--muted); margin-top: 6px; }

.seg {
  display: flex;
  width: 100%;
  border: 1.5px solid var(--line-strong);
  border-radius: 10px;
  overflow: hidden;
  background: var(--card);
}
.seg button {
  flex: 1;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 11px 6px;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}
.seg button + button { border-left: 1.5px solid var(--line-strong); }
.seg button[aria-pressed="true"] { background: var(--brand); color: #fff; }

/* ---------- Result ---------- */
.result { margin-top: 20px; }
.result[hidden] { display: none; }
.readout { display: flex; align-items: baseline; gap: 10px; margin-bottom: 16px; }
.readout .num { font-family: var(--mono); font-weight: 700; font-size: 2.6rem; line-height: 1; }
.readout .verdict {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: 100px;
  color: #fff;
}

.scale__track {
  position: relative;
  height: 10px;
  border-radius: 100px;
  background: linear-gradient(90deg, #6c8fc4 0 18%, var(--ok) 18% 42%, var(--warn) 42% 62%, var(--alert) 62% 100%);
}
.scale__marker {
  position: absolute;
  top: 50%;
  width: 3px;
  height: 22px;
  background: var(--text);
  border-radius: 2px;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 0 3px var(--bg);
  transition: left 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.scale__labels {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.work {
  margin-top: 16px;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--muted);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  white-space: pre-wrap;
  word-break: break-word;
}

/* ---------- Prose ---------- */
.prose { margin-top: 32px; }
.prose h2 { font-size: 1.4rem; font-weight: 800; letter-spacing: -0.02em; margin: 28px 0 10px; }
.prose p { margin-bottom: 14px; color: #33405c; }
.prose table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 0.9rem; }
.prose th, .prose td { text-align: left; padding: 9px 8px; border-bottom: 1px solid var(--line); }
.prose th { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); }
.prose td:first-child { font-family: var(--mono); }

.faq { margin-top: 32px; }
.faq details { border-top: 1px solid var(--line); padding: 14px 0; }
.faq details:last-of-type { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; color: var(--brand); font-family: var(--mono); }
.faq details[open] summary::after { content: '–'; }
.faq details p { margin-top: 8px; color: var(--muted); }

/* ---------- Grid / tiles ---------- */
.grid { display: grid; gap: 12px; margin-top: 20px; }
.tile {
  display: block;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  color: var(--text);
}
.tile:hover { border-color: var(--brand); text-decoration: none; }
.tile .eyebrow {
  font-family: var(--mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--brand);
}
.tile strong { display: block; font-size: 1.1rem; font-weight: 700; margin-top: 4px; }
.tile span { display: block; font-size: 0.88rem; color: var(--muted); margin-top: 4px; }

/* ---------- Footer ---------- */
.site-footer { margin-top: 56px; border-top: 1px solid var(--line); background: var(--card); }
.site-footer__in { padding-block: 28px; }
.site-footer .cols { display: grid; gap: 22px; }
.site-footer h4 { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin-bottom: 8px; }
.site-footer ul { list-style: none; display: flex; flex-direction: column; gap: 6px; }
.site-footer a { color: var(--text); font-size: 0.9rem; }
.site-footer .copy { margin-top: 24px; font-size: 0.8rem; color: var(--muted); }

@media (min-width: 640px) {
  .page-head h1 { font-size: 2.6rem; }
  .grid { grid-template-columns: 1fr 1fr; }
  .site-footer .cols { grid-template-columns: 2fr 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* ============================================================
   Homepage hero + search + category sections  (added for v2)
   ============================================================ */

/* Hero */
.hero { padding-block: 40px 8px; }
.hero .eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--brand);
}
.hero h1 {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin-top: 10px;
}
.hero p { margin-top: 10px; color: var(--muted); font-size: 1.08rem; max-width: 52ch; }

/* Search */
.search { position: relative; margin-top: 22px; }
.search svg {
  position: absolute; left: 17px; top: 50%;
  transform: translateY(-50%); color: var(--muted); pointer-events: none;
}
.search input[type="search"] {
  width: 100%;
  font-family: var(--font);
  font-size: 1.05rem;
  padding: 16px 16px 16px 48px;
  border: 1.5px solid var(--line-strong);
  border-radius: 12px;
  background: var(--card);
  color: var(--text);
  box-shadow: 0 8px 30px -20px rgba(15, 31, 67, 0.35);
  appearance: none; -webkit-appearance: none;
}
.search input[type="search"]::-webkit-search-cancel-button { -webkit-appearance: none; }
.search input[type="search"]:focus-visible {
  outline: 2.5px solid var(--brand); outline-offset: 1px; border-color: var(--brand);
}
.search-results { margin-top: 4px; }
.search-count { font-size: 0.85rem; color: var(--muted); margin-top: 18px; }
.search-empty { color: var(--muted); padding: 18px 0 4px; }
body.searching [data-browse] { display: none; }

/* Category sections on the home page */
.section-block { margin-top: 4px; }
.section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 16px; margin-top: 34px;
}
.section-head h2 {
  font-size: 1.2rem; font-weight: 800; letter-spacing: -0.02em;
}
.section-head .see-all { font-size: 0.85rem; font-weight: 600; white-space: nowrap; }

/* Section heading used above the plain category grid */
.browse-head { margin-top: 40px; }
.browse-head h2 { font-size: 1.2rem; font-weight: 800; letter-spacing: -0.02em; }
.browse-head p { color: var(--muted); font-size: 0.95rem; margin-top: 4px; }

@media (min-width: 640px) {
  .hero h1 { font-size: 2.9rem; }
}

/* ============================================================
   Calculator page shared bits (work block already exists as .work)
   ============================================================ */
.calc-actions { display: flex; gap: 10px; margin-top: 20px; }
button.btn {
  flex: 1;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 700;
  padding: 14px;
  border: 0;
  border-radius: 10px;
  background: var(--brand);
  color: #fff;
  cursor: pointer;
  transition: background 0.15s, transform 0.05s;
}
button.btn:hover { background: var(--brand-dark); }
button.btn:active { transform: translateY(1px); }
button.btn.ghost {
  flex: 0 0 auto;
  background: var(--card);
  color: var(--brand);
  border: 1.5px solid var(--line-strong);
}
button.btn.ghost:hover { background: var(--brand-soft); border-color: var(--brand); }

.readout .sub { font-size: 0.95rem; color: var(--muted); font-family: var(--font); }
.stat-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 4px 0 4px;
}
.stat {
  background: var(--bg); border: 1px solid var(--line);
  border-radius: 10px; padding: 12px 14px;
}
.stat .k {
  font-size: 0.68rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.05em; color: var(--muted);
}
.stat .v { font-family: var(--mono); font-weight: 700; font-size: 1.3rem; margin-top: 3px; }
.related-wrap { margin-top: 40px; }
.related-wrap h2 { font-size: 1.2rem; font-weight: 800; letter-spacing: -0.02em; }