/* ==========================================================================
   Angkratio design system
   ========================================================================== */

:root {
  color-scheme: light;

  /* Color */
  --color-bg: #ffffff;
  --color-bg-subtle: #f7f8fa;
  --color-bg-muted: #f1f2f5;
  --color-border: #e4e7ec;
  --color-border-strong: #d0d5dd;
  --color-text: #0f1629;
  --color-text-muted: #5b6472;
  --color-text-faint: #8a91a0;
  --color-primary: #3730e0;
  --color-primary-hover: #2d24c4;
  --color-primary-bg: #eeecfd;
  --color-positive: #0f7a53;
  --color-positive-bg: #e7f7f0;
  --color-negative: #b3421f;
  --color-negative-bg: #fdf0ea;
  --color-focus: #3730e0;

  /* Type */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Consolas, Menlo, monospace;

  /* Spacing scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;

  /* Radius / shadow */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(15, 22, 41, 0.06);
  --shadow-md: 0 4px 16px rgba(15, 22, 41, 0.08);
  --shadow-lg: 0 12px 32px rgba(15, 22, 41, 0.12);

  --container-width: 1120px;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
h1, h2, h3, h4, p, figure { margin: 0; }
ul, ol { margin: 0; padding: 0; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
input, select, textarea { font-family: inherit; font-size: inherit; }

h1, h2, h3, h4 { font-weight: 650; letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 1.6rem + 1.6vw, 3rem); line-height: 1.12; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.4rem, 1.2rem + 0.8vw, 1.85rem); line-height: 1.2; }
h3 { font-size: 1.15rem; line-height: 1.3; }

.text-muted { color: var(--color-text-muted); }
.text-faint { color: var(--color-text-faint); }

/* ---- Layout ---- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: var(--space-6);
}
@media (max-width: 640px) {
  .container { padding-inline: var(--space-4); }
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-sm);
  z-index: 100;
}
.skip-link:focus { left: var(--space-4); top: var(--space-4); }

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

/* ---- Header ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  height: 68px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  color: var(--color-text);
  flex-shrink: 0;
}
.brand__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--color-primary);
  color: #fff;
  font-weight: 800;
  font-size: 0.95rem;
}
.brand__accent { color: var(--color-primary); }

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.main-nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
}
.main-nav__links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-muted);
  padding: var(--space-2) 0;
}
.main-nav__links a:hover, .main-nav__links a[aria-current="page"] { color: var(--color-text); }

.tools-menu { position: relative; }
.tools-menu__trigger {
  background: none;
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  padding: var(--space-2) 0;
}
.tools-menu__trigger:hover { color: var(--color-text); }
.tools-menu__trigger svg { transition: transform 0.15s ease; }
.tools-menu.is-open .tools-menu__trigger svg { transform: rotate(180deg); }
.tools-menu__panel {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%);
  width: 300px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
  display: none;
}
.tools-menu.is-open .tools-menu__panel { display: block; }
.tools-menu__item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--space-3) var(--space-3);
  border-radius: var(--radius-sm);
}
.tools-menu__item:hover { background: var(--color-bg-subtle); }
.tools-menu__item strong { font-size: 0.9rem; font-weight: 600; }
.tools-menu__item span { font-size: 0.8rem; color: var(--color-text-muted); }

.header-actions { display: flex; align-items: center; gap: var(--space-3); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 11px 20px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.12s ease, border-color 0.12s ease, color 0.12s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-secondary { background: #fff; color: var(--color-text); border-color: var(--color-border-strong); }
.btn-secondary:hover { background: var(--color-bg-subtle); }
.btn-sm { padding: 8px 14px; font-size: 0.875rem; }
.btn-block { width: 100%; }

/* ---- Hero ---- */
.hero {
  padding: var(--space-20) 0 var(--space-16);
  border-bottom: 1px solid var(--color-border);
  background:
    radial-gradient(600px 300px at 85% -10%, var(--color-primary-bg), transparent 70%);
}
.hero__inner { max-width: 720px; }
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-bg);
  padding: 6px 12px;
  border-radius: 100px;
  margin-bottom: var(--space-5);
}
.hero h1 { margin-bottom: var(--space-5); }
.hero p.lead {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 560px;
  margin-bottom: var(--space-8);
}
.hero__actions { display: flex; align-items: center; gap: var(--space-5); flex-wrap: wrap; }
.hero__link { font-weight: 600; font-size: 0.95rem; color: var(--color-text); border-bottom: 1px solid var(--color-border-strong); padding-bottom: 2px; }

/* ---- Sections ---- */
.section { padding: var(--space-16) 0; }
.section--subtle { background: var(--color-bg-subtle); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.section__head { max-width: 640px; margin-bottom: var(--space-10); }
.section__head h2 { margin-bottom: var(--space-3); }
.section__head p { color: var(--color-text-muted); font-size: 1.02rem; }

/* ---- Tool cards ---- */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-5);
}
.tool-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-6);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}
.tool-card:hover { border-color: var(--color-border-strong); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.tool-card--featured { border-color: var(--color-primary); background: linear-gradient(180deg, var(--color-primary-bg) 0%, #fff 55%); }
.tool-card__icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-bg);
  color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
}
.tool-card h3 { font-size: 1.05rem; }
.tool-card p { color: var(--color-text-muted); font-size: 0.92rem; flex-grow: 1; }
.tool-card__cta { font-size: 0.88rem; font-weight: 600; color: var(--color-primary); }
.tool-card__badge {
  align-self: flex-start;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-primary);
  background: var(--color-primary-bg);
  padding: 3px 8px;
  border-radius: 100px;
}

/* ---- Feature list ---- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-8);
}
.feature-item__icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: var(--color-bg-muted);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-4);
}
.feature-item h3 { margin-bottom: var(--space-2); font-size: 1.05rem; }
.feature-item p { color: var(--color-text-muted); font-size: 0.94rem; }

/* ---- Calculator layout ---- */
.calc-hero {
  padding: var(--space-12) 0 var(--space-8);
  border-bottom: 1px solid var(--color-border);
}
.breadcrumbs {
  display: flex; align-items: center; gap: 6px;
  font-size: 0.85rem; color: var(--color-text-faint);
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
}
.breadcrumbs a { color: var(--color-text-muted); }
.breadcrumbs a:hover { color: var(--color-text); }
.calc-hero h1 { margin-bottom: var(--space-3); max-width: 780px; }
.calc-hero__intro { color: var(--color-text-muted); font-size: 1.05rem; max-width: 720px; }

.calc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: var(--space-8);
  align-items: start;
  padding: var(--space-10) 0;
}
@media (max-width: 900px) {
  .calc-layout { grid-template-columns: 1fr; }
}

.calc-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}
@media (max-width: 640px) {
  .calc-card { padding: var(--space-5); }
}
.calc-card__title { margin-bottom: var(--space-1); }
.calc-card__subtitle { color: var(--color-text-muted); font-size: 0.92rem; margin-bottom: var(--space-6); }

.calc-form { display: flex; flex-direction: column; gap: var(--space-5); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
@media (max-width: 520px) { .form-row { grid-template-columns: 1fr; } }
.form-divider { border: none; border-top: 1px solid var(--color-border); margin: var(--space-2) 0; }
.form-section-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-faint);
  margin-top: var(--space-2);
}

/* Input groups */
.field { display: flex; flex-direction: column; gap: 6px; }
.field__label-row { display: flex; align-items: baseline; justify-content: space-between; gap: var(--space-2); }
.field__label { font-size: 0.88rem; font-weight: 600; color: var(--color-text); }
.field__hint { font-size: 0.78rem; color: var(--color-text-faint); }
.field__error { font-size: 0.8rem; color: var(--color-negative); min-height: 1em; }

.input-group {
  position: relative;
  display: flex;
  align-items: stretch;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: #fff;
  transition: border-color 0.12s ease, box-shadow 0.12s ease;
}
.input-group:focus-within { border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-bg); }
.input-group--error { border-color: var(--color-negative); }
.input-group--error:focus-within { box-shadow: 0 0 0 3px var(--color-negative-bg); }
.input-group__affix {
  display: flex; align-items: center;
  padding: 0 var(--space-3);
  color: var(--color-text-faint);
  font-size: 0.9rem;
  background: var(--color-bg-subtle);
  border-right: 1px solid var(--color-border);
}
.input-group__affix--suffix { border-right: none; border-left: 1px solid var(--color-border); }
.input-group input {
  flex: 1;
  min-width: 0;
  border: none;
  outline: none;
  background: transparent;
  padding: 11px 12px;
  font-size: 0.98rem;
  color: var(--color-text);
  -moz-appearance: textfield;
}
.input-group input::-webkit-outer-spin-button,
.input-group input::-webkit-inner-spin-button { margin: 0; }
.input-group input[type="time"] { font-variant-numeric: tabular-nums; }

/* Segmented control */
.segmented {
  display: inline-flex;
  background: var(--color-bg-muted);
  border-radius: var(--radius-sm);
  padding: 3px;
  gap: 2px;
}
.segmented--block { display: flex; width: 100%; }
.segmented button {
  border: none;
  background: transparent;
  padding: 8px 16px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text-muted);
  border-radius: 7px;
  cursor: pointer;
  flex: 1;
  transition: background 0.12s ease, color 0.12s ease;
}
.segmented button[aria-pressed="true"] { background: #fff; color: var(--color-text); box-shadow: var(--shadow-sm); }

/* Toggle */
.toggle-row { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); }
.toggle-row__text strong { display: block; font-size: 0.9rem; font-weight: 600; }
.toggle-row__text span { font-size: 0.8rem; color: var(--color-text-muted); }
.toggle {
  position: relative;
  width: 42px; height: 24px;
  flex-shrink: 0;
  border-radius: 100px;
  background: var(--color-border-strong);
  border: none;
  cursor: pointer;
  transition: background 0.15s ease;
}
.toggle::after {
  content: "";
  position: absolute;
  top: 2px; left: 2px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: #fff;
  transition: transform 0.15s ease;
  box-shadow: 0 1px 2px rgba(0,0,0,0.25);
}
.toggle[aria-pressed="true"] { background: var(--color-primary); }
.toggle[aria-pressed="true"]::after { transform: translateX(18px); }

/* Result panel */
.result-panel {
  background: var(--color-text);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  position: sticky;
  top: 88px;
}
@media (max-width: 640px) {
  .result-panel { padding: var(--space-5); position: static; }
}
.result-panel__label { font-size: 0.82rem; color: rgba(255,255,255,0.6); font-weight: 600; margin-bottom: var(--space-2); }
.result-panel__value { font-size: clamp(2.2rem, 1.9rem + 1vw, 3rem); font-weight: 750; letter-spacing: -0.02em; line-height: 1; font-variant-numeric: tabular-nums; }
.result-panel__value small { font-size: 0.42em; font-weight: 600; color: rgba(255,255,255,0.55); margin-left: 4px; }
.result-panel__sub {
  display: flex; align-items: baseline; gap: 8px;
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255,255,255,0.14);
}
.result-panel__sub .result-panel__value { font-size: 1.5rem; }
.result-panel__delta {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 0.82rem; font-weight: 700;
  padding: 4px 10px;
  border-radius: 100px;
  margin-top: var(--space-3);
}
.result-panel__delta--negative { background: rgba(179, 66, 31, 0.25); color: #ffcbb0; }
.result-panel__delta--positive { background: rgba(15, 122, 83, 0.25); color: #b7f2d9; }
.result-panel__note {
  margin-top: var(--space-5);
  font-size: 0.88rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.5;
  padding-top: var(--space-5);
  border-top: 1px solid rgba(255,255,255,0.14);
}
.result-panel__note strong { color: #fff; }

.result-breakdown {
  margin-top: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.result-breakdown__row {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  font-size: 0.9rem;
}
.result-breakdown__row + .result-breakdown__row { border-top: 1px solid var(--color-border); }
.result-breakdown__row dt { color: var(--color-text-muted); }
.result-breakdown__row dd { margin: 0; font-weight: 650; font-variant-numeric: tabular-nums; text-align: right; }
.result-breakdown__row--total { background: var(--color-bg-subtle); }
.result-breakdown__row--total dt, .result-breakdown__row--total dd { font-weight: 700; color: var(--color-text); }

.callout {
  display: flex; gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}
.callout strong { color: var(--color-text); }
.callout--warning { background: #fdf7e8; border-color: #f2e3ab; color: #6b5a1e; }
.callout--warning strong { color: #6b5a1e; }

.field-error-banner {
  display: none;
  background: var(--color-negative-bg);
  color: var(--color-negative);
  border: 1px solid #f0c4b0;
  border-radius: var(--radius-md);
  padding: var(--space-4);
  font-size: 0.88rem;
  font-weight: 600;
}
.field-error-banner.is-visible { display: block; }

/* ---- Content sections on calc pages ---- */
.content-block { max-width: 760px; }
.content-block h2 { margin-bottom: var(--space-4); }
.content-block h3 { margin-top: var(--space-6); margin-bottom: var(--space-2); }
.content-block p { color: var(--color-text-muted); margin-bottom: var(--space-4); }
.content-block ul, .content-block ol { color: var(--color-text-muted); padding-left: 1.25em; margin-bottom: var(--space-4); }
.content-block li { margin-bottom: var(--space-2); }
.content-block code {
  font-family: var(--font-mono);
  background: var(--color-bg-muted);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.88em;
}
.formula-box {
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  overflow-x: auto;
  margin-bottom: var(--space-5);
  line-height: 1.7;
}

/* FAQ */
.faq { display: flex; flex-direction: column; gap: var(--space-2); max-width: 760px; }
.faq-item { border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: var(--space-4) var(--space-5);
  font-weight: 600;
  font-size: 0.96rem;
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-4);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .faq-icon { flex-shrink: 0; transition: transform 0.15s ease; color: var(--color-text-faint); }
.faq-item[open] summary .faq-icon { transform: rotate(45deg); }
.faq-item__body { padding: 0 var(--space-5) var(--space-5); color: var(--color-text-muted); font-size: 0.92rem; }

/* Related tools */
.related-tools { display: flex; flex-direction: column; gap: var(--space-2); }
.related-tools a {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.92rem;
}
.related-tools a:hover { border-color: var(--color-border-strong); background: var(--color-bg-subtle); }
.related-tools a span.desc { font-weight: 400; color: var(--color-text-muted); font-size: 0.85rem; }

/* Time breakdown (visual paid vs. unpaid time) */
.time-breakdown { margin-top: var(--space-6); padding-top: var(--space-6); border-top: 1px solid var(--color-border); }
.time-breakdown__title { font-size: 0.95rem; margin-bottom: var(--space-4); }
.time-bar {
  display: flex;
  width: 100%;
  height: 12px;
  border-radius: 100px;
  overflow: hidden;
  background: var(--color-bg-muted);
}
.time-bar__segment { height: 100%; transition: flex-basis 0.2s ease; }
.time-bar__segment--paid { background: var(--color-primary); }
.time-bar__segment--unpaid { background: #d97a3f; }
.time-bar__legend {
  display: flex;
  gap: var(--space-5);
  margin-top: var(--space-3);
  font-size: 0.82rem;
  color: var(--color-text-muted);
  flex-wrap: wrap;
}
.time-bar__legend span { display: inline-flex; align-items: center; gap: 6px; }
.time-bar__swatch { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.time-bar__swatch--paid { background: var(--color-primary); }
.time-bar__swatch--unpaid { background: #d97a3f; }

/* Compare-another-scenario block */
.compare-block { padding-bottom: var(--space-10); }
.compare-table th, .compare-table td { text-align: left; }
.compare-table td { font-variant-numeric: tabular-nums; }

/* Ad slots (reserved, empty until AdSense is enabled) */
.ad-slot { min-height: 0; }
.ad-slot:empty { display: none; }

/* Time card table */
.timecard-table-wrap { overflow-x: auto; border: 1px solid var(--color-border); border-radius: var(--radius-md); }
table.timecard { width: 100%; border-collapse: collapse; min-width: 760px; }
table.timecard th, table.timecard td { padding: var(--space-3) var(--space-4); text-align: left; font-size: 0.9rem; border-bottom: 1px solid var(--color-border); }
table.timecard th { background: var(--color-bg-subtle); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--color-text-faint); font-weight: 700; }
table.timecard tbody tr:last-child td { border-bottom: none; }
table.timecard input[type="time"], table.timecard input[type="number"] {
  border: 1px solid var(--color-border-strong);
  border-radius: 6px;
  padding: 7px 8px;
  width: 100%;
  min-width: 100px;
  font-size: 0.9rem;
}
table.timecard td.timecard-total { font-weight: 700; font-variant-numeric: tabular-nums; white-space: nowrap; }
table.timecard tfoot td { font-weight: 700; background: var(--color-bg-subtle); }

.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: var(--space-4); margin-top: var(--space-6); }
.stat-tile { border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: var(--space-4); }
.stat-tile__label { font-size: 0.78rem; color: var(--color-text-faint); font-weight: 600; margin-bottom: 4px; }
.stat-tile__value { font-size: 1.3rem; font-weight: 700; font-variant-numeric: tabular-nums; }

/* ---- Footer ---- */
.site-footer { border-top: 1px solid var(--color-border); background: var(--color-bg-subtle); padding: var(--space-12) 0 var(--space-8); }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: var(--space-8); margin-bottom: var(--space-10); }
@media (max-width: 800px) { .footer-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-col h4 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--color-text-faint); margin-bottom: var(--space-4); }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-3); }
.footer-col a { font-size: 0.9rem; color: var(--color-text-muted); }
.footer-col a:hover { color: var(--color-text); }
.footer-brand p { color: var(--color-text-muted); font-size: 0.9rem; margin-top: var(--space-3); max-width: 280px; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; padding-top: var(--space-6); border-top: 1px solid var(--color-border); font-size: 0.82rem; color: var(--color-text-faint); flex-wrap: wrap; gap: var(--space-3); }

/* Static page content */
.prose { max-width: 720px; }
.prose h2 { margin-top: var(--space-8); margin-bottom: var(--space-3); }
.prose p { color: var(--color-text-muted); margin-bottom: var(--space-4); }
.prose ul { color: var(--color-text-muted); padding-left: 1.25em; margin-bottom: var(--space-4); }
.prose li { margin-bottom: var(--space-2); }

/* Utility */
.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.mt-0 { margin-top: 0 !important; }
[hidden] { display: none !important; }

/* ---- Mobile nav ---- */
@media (max-width: 860px) {
  .main-nav__links, .tools-menu { display: none; }
  .nav-toggle { display: inline-flex; }
  .header-actions .btn-primary { padding: 9px 14px; font-size: 0.88rem; }
  .site-header.is-menu-open .mobile-nav { display: flex; }
}
.mobile-nav {
  display: none;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4) 0 var(--space-6);
  border-top: 1px solid var(--color-border);
}
.mobile-nav a, .mobile-nav .mobile-nav__group-label {
  padding: var(--space-3) var(--space-2);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
}
.mobile-nav a:hover { background: var(--color-bg-subtle); }
.mobile-nav .mobile-nav__group-label { color: var(--color-text-faint); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; margin-top: var(--space-3); }