@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@300;400;500;600;700;800&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
  /* Dark slate hero region */
  --slate-deep: #020617;
  --slate-board: #0f172a;
  --slate-rim: #1e293b;
  --chalk: #f8fafc;
  --chalk-mute: #cbd5e1;
  --chalk-faint: #64748b;
  --chalk-accent: #fde68a;

  /* Light region */
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-2: #f1f5f9;
  --ink: #020617;
  --ink-2: #0f172a;
  --ink-muted: #475569;
  --ink-faint: #94a3b8;
  --accent: #d97706;
  --accent-soft: rgba(217, 119, 6, 0.08);
  --accent-hover: #b45309;
  --ok: #22c55e;
  --warn: #b45309;
  --err: #b91c1c;
  --line: #e2e8f0;
  --line-strong: #cbd5e1;
  --ring: #020617;

  --radius-sm: 4px;
  --radius-md: 6px;

  --max-width: 76rem;
  --sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --transition: 150ms ease-out;
  --transition-state: 250ms ease-out;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--ink); color: var(--chalk); }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem;
}

@media (min-width: 768px) {
  .container { padding: 2rem; }
}

/* =========================================================
   GLOBAL TYPE
   ========================================================= */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--sans);
  color: var(--ink);
  margin-top: 0;
  font-weight: 700;
  line-height: 1.15;
}

h1 {
  font-size: clamp(2rem, 1.25rem + 3vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.08;
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.5rem, 1.125rem + 1.5vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 2.5rem 0 1rem;
}

h3 {
  font-size: clamp(1.125rem, 1rem + 0.5vw, 1.375rem);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.3;
  margin: 1.5rem 0 0.75rem;
}

p, li {
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.55;
}

.lead {
  font-family: var(--sans);
  font-size: clamp(1.0625rem, 1rem + 0.4vw, 1.25rem);
  line-height: 1.5;
  color: var(--ink-muted);
  font-weight: 400;
}

small, .small {
  font-family: var(--sans);
  font-size: 0.875rem;
  color: var(--ink-muted);
  line-height: 1.5;
}

/* The signature mono caption used everywhere as a section label */
.mono-caption {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0;
}

.mono-caption .dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ok);
  margin-right: 6px;
  vertical-align: 1px;
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

a { color: var(--ink); text-underline-offset: 4px; }
a:hover { color: var(--ink-2); }

hr { border: 0; border-top: 1px solid var(--line); margin: 3rem 0; }

/* =========================================================
   HEADER (default light variant for tool pages)
   ========================================================= */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  background: transparent;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 768px) {
  .site-header { padding: 1.5rem 2rem; }
}

.site-header a.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 700;
  font-size: 1.375rem;
  letter-spacing: -0.025em;
  transition: color var(--transition);
}

.site-header a.brand:hover { color: var(--ink-2); }

.site-header nav { display: flex; gap: 1.5rem; }

.site-header nav a {
  color: var(--ink-muted);
  text-decoration: none;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.9375rem;
  padding: 6px 0;
  transition: color var(--transition);
}

.site-header nav a:hover {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* Dark variant for the homepage hero */
.site-header.dark {
  background: transparent;
  border-bottom: 0;
}

.site-header.dark a.brand { color: var(--chalk); }
.site-header.dark a.brand:hover { color: var(--chalk); }
.site-header.dark nav a { color: var(--chalk-mute); }
.site-header.dark nav a:hover { color: var(--chalk); }

/* =========================================================
   HERO (DARK SLATE BOARD)
   ========================================================= */
.hero-slate {
  position: relative;
  background: var(--slate-deep);
  color: var(--chalk);
  overflow: hidden;
  isolation: isolate;
  padding: 1rem 0 4rem;
  min-height: auto;
}

@media (min-width: 900px) {
  .hero-slate {
    min-height: 88vh;
    padding: 0 0 6rem;
  }
}

.hero-slate::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 30% 30%, rgba(248, 250, 252, 0.06), transparent 60%),
    radial-gradient(ellipse 50% 40% at 80% 70%, rgba(253, 230, 138, 0.04), transparent 60%);
  z-index: -1;
  animation: chalk-dust 12s ease-in-out infinite alternate;
}

.hero-slate::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--chalk-faint);
  opacity: 0.4;
  z-index: 1;
}

@keyframes chalk-dust {
  0%   { opacity: 0.7; transform: translate(-2%, -1%) scale(1); }
  100% { opacity: 1;   transform: translate(2%, 1%) scale(1.05); }
}

.hero-slate .hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem 0;
}

@media (min-width: 768px) {
  .hero-slate .hero-inner { padding: 3rem 2rem 0; }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: start;
  margin-top: 2.5rem;
}

@media (min-width: 1000px) {
  .hero-grid {
    grid-template-columns: 60% 40%;
    gap: 4rem;
    margin-top: 4rem;
    align-items: center;
  }
}

/* Dark mono caption */
.hero-slate .mono-caption,
.dark-mono {
  color: var(--chalk-faint);
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin: 0;
}

.hero-slate .mono-caption .dot { background: var(--ok); }

/* The display headline */
.hero-display {
  font-family: var(--sans);
  font-size: clamp(3.25rem, 2rem + 6.5vw, 7rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.95;
  color: var(--chalk);
  margin: 1.25rem 0 1.75rem;
  max-width: 14ch;
}

.hero-display .reveal {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.4em);
  animation: chalk-in 0.6s ease-out forwards;
}

@keyframes chalk-in {
  to { opacity: 1; transform: translateY(0); }
}

.hero-sub {
  font-family: var(--sans);
  font-size: clamp(1.0625rem, 1rem + 0.4vw, 1.25rem);
  line-height: 1.55;
  color: var(--chalk-mute);
  font-weight: 400;
  max-width: 36rem;
  margin: 0 0 2rem;
}

.hero-status {
  margin: 0 0 2rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
}

.hero-cta .link-chalk {
  color: var(--chalk-mute);
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.9375rem;
  text-decoration: none;
  transition: color var(--transition);
}

.hero-cta .link-chalk:hover {
  color: var(--chalk);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* =========================================================
   LIVE PREVIEW WIDGET (right column, on dark)
   ========================================================= */
.preview-widget {
  background: var(--slate-board);
  border: 1px solid var(--chalk-faint);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  color: var(--chalk);
  box-shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.6);
}

@media (min-width: 768px) {
  .preview-widget { padding: 1.75rem; }
}

.preview-widget .mono-caption {
  color: var(--chalk-faint);
  margin-bottom: 1rem;
}

.preview-form {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

@media (min-width: 480px) {
  .preview-form { grid-template-columns: 1fr 1fr; }
  .preview-form .full { grid-column: 1 / -1; }
}

.preview-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.preview-field label {
  font-family: var(--mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--chalk-faint);
  font-weight: 500;
}

.preview-input {
  font-family: var(--sans);
  font-size: 0.9375rem;
  padding: 10px 12px;
  background: var(--slate-deep);
  color: var(--chalk);
  border: 1px solid var(--chalk-faint);
  border-radius: var(--radius-sm);
  width: 100%;
  min-height: 40px;
  transition: border-color var(--transition);
}

.preview-input:hover { border-color: var(--chalk-mute); }
.preview-input:focus,
.preview-input:focus-visible {
  outline: 2px solid var(--chalk-accent);
  outline-offset: 2px;
  border-color: var(--chalk);
}

.preview-result {
  border-top: 1px solid var(--chalk-faint);
  padding-top: 1.25rem;
  margin-top: 0.5rem;
}

.preview-rate {
  font-family: var(--sans);
  font-size: clamp(1.625rem, 1.25rem + 1.5vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--chalk);
  line-height: 1.1;
  margin-bottom: 0.5rem;
}

.preview-rate-label {
  font-family: var(--mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--chalk-faint);
  margin-bottom: 0.35rem;
  font-weight: 500;
}

.preview-platforms {
  font-family: var(--mono);
  font-size: 0.8125rem;
  color: var(--chalk-mute);
  line-height: 1.5;
  margin-bottom: 1rem;
  word-break: break-word;
}

.preview-link {
  font-family: var(--sans);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--chalk-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
  transition: border-color var(--transition);
}

.preview-link:hover { border-color: var(--chalk-accent); color: var(--chalk-accent); }

/* =========================================================
   TRANSITION BAND (between dark hero and light below)
   ========================================================= */
.country-band {
  background: var(--slate-deep);
  color: var(--chalk-faint);
  padding: 1.75rem 1.5rem;
  text-align: center;
  border-bottom: 1px solid var(--slate-rim);
}

.country-band .row {
  font-family: var(--mono);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  font-weight: 500;
  text-transform: uppercase;
  color: var(--chalk-faint);
}

.country-band .codes { color: var(--chalk-mute); margin-left: 0.5rem; }

/* =========================================================
   BUCKET SECTIONS — asymmetric 12-col grid
   ========================================================= */
.tools-region {
  background: var(--bg);
  padding: 4rem 1.5rem 2rem;
}

@media (min-width: 768px) {
  .tools-region { padding: 6rem 2rem 4rem; }
}

.tools-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.bucket-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding-bottom: 4rem;
  margin-bottom: 4rem;
  border-bottom: 1px solid var(--line);
}

.bucket-section:last-of-type {
  margin-bottom: 0;
  border-bottom: 0;
}

@media (min-width: 900px) {
  .bucket-section {
    grid-template-columns: repeat(12, 1fr);
    gap: 3rem;
    padding-bottom: 6rem;
    margin-bottom: 6rem;
  }
  .bucket-meta { grid-column: 1 / 5; position: sticky; top: 2rem; align-self: start; }
  .bucket-tiles { grid-column: 5 / 13; }
}

.bucket-meta .mono-caption { margin-bottom: 1rem; }

.bucket-meta h2 {
  font-family: var(--sans);
  font-size: clamp(1.75rem, 1.25rem + 2vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.05;
  margin: 0 0 0.75rem;
  color: var(--ink);
}

.bucket-meta .count {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-faint);
  font-weight: 500;
  margin: 0 0 0.75rem;
}

.bucket-meta .desc {
  font-family: var(--sans);
  font-style: italic;
  font-weight: 400;
  font-size: 1.0625rem;
  color: var(--ink-muted);
  line-height: 1.5;
  margin: 0;
  max-width: 22rem;
}

/* =========================================================
   TILE GRID — sharp cards with chalk-underline hover
   ========================================================= */
.tile-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 560px) {
  .tile-grid { grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
}

.tile {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--ink);
  transition: border-color var(--transition), transform var(--transition);
}

@media (min-width: 768px) {
  .tile { padding: 1.75rem; }
}

.tile .tile-slug {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 0.75rem;
  font-weight: 500;
}

.tile h3 {
  position: relative;
  font-family: var(--sans);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin: 0 0 0.5rem;
  color: var(--ink);
  display: inline-block;
}

.tile h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 3px;
  background: var(--ink);
  transition: width 200ms ease-out;
}

.tile p {
  font-family: var(--sans);
  color: var(--ink-muted);
  font-size: 0.9375rem;
  line-height: 1.5;
  margin: 0;
}

.tile:hover { border-color: var(--ink-muted); }
.tile:hover h3::after { width: 100%; }

.tile:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

/* =========================================================
   NEWSLETTER (full-bleed dark band)
   ========================================================= */
.newsletter {
  background: var(--slate-board);
  color: var(--chalk);
  padding: 5rem 1.5rem;
  border-top: 1px solid var(--line);
}

@media (min-width: 768px) {
  .newsletter { padding: 7rem 2rem; }
}

.newsletter-inner {
  max-width: 38rem;
  margin: 0 auto;
}

.newsletter .mono-caption {
  color: var(--chalk-faint);
  margin-bottom: 1rem;
}

.newsletter h2 {
  font-family: var(--sans);
  font-size: clamp(1.75rem, 1.25rem + 2vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--chalk);
  margin: 0 0 1rem;
  line-height: 1.1;
}

.newsletter p.lead {
  color: var(--chalk-mute);
  margin: 0 0 1.75rem;
  max-width: 36rem;
  font-size: 1.125rem;
}

.newsletter form {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 8px;
  margin: 0;
}

.newsletter form .field {
  flex: 1 1 18rem;
  margin-bottom: 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.newsletter form input[type=email] {
  font-family: var(--sans);
  font-size: 1rem;
  padding: 14px 16px;
  background: var(--slate-deep);
  color: var(--chalk);
  border: 1px solid var(--chalk-faint);
  border-radius: var(--radius-sm);
  width: 100%;
  min-height: 52px;
  transition: border-color var(--transition);
}

.newsletter form input[type=email]::placeholder { color: var(--chalk-faint); }
.newsletter form input[type=email]:hover { border-color: var(--chalk-mute); }
.newsletter form input[type=email]:focus,
.newsletter form input[type=email]:focus-visible {
  outline: 2px solid var(--chalk-accent);
  outline-offset: 2px;
  border-color: var(--chalk);
}

.newsletter form button {
  flex: 0 0 auto;
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 600;
  padding: 14px 32px;
  min-height: 52px;
  background: var(--accent);
  color: #ffffff;
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color var(--transition), border-color var(--transition);
}

.newsletter form button:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.newsletter form button:focus-visible { outline: 2px solid var(--chalk-accent); outline-offset: 2px; }

.newsletter .footnote {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--chalk-faint);
  margin: 1.25rem 0 0;
}

#newsletter-status {
  font-family: var(--sans);
  color: var(--chalk-mute);
  font-size: 0.9375rem;
  margin-top: 0.75rem;
  min-height: 1.4em;
}

/* =========================================================
   FAQ (full-bleed dark band)
   ========================================================= */
.faq {
  background: var(--slate-board);
  color: var(--chalk);
  padding: 5rem 1.5rem;
  border-top: 1px solid var(--line);
}

@media (min-width: 768px) {
  .faq { padding: 7rem 2rem; }
}

.faq-inner {
  max-width: 44rem;
  margin: 0 auto;
}

.faq .mono-caption {
  color: var(--chalk-faint);
  margin-bottom: 1rem;
}

.faq h2 {
  font-family: var(--sans);
  font-size: clamp(1.75rem, 1.25rem + 2vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--chalk);
  margin: 0 0 2rem;
  line-height: 1.1;
}

.faq details {
  border-top: 1px solid var(--chalk-faint);
  padding: 1.25rem 0;
}

.faq details:last-of-type {
  border-bottom: 1px solid var(--chalk-faint);
}

.faq details > summary {
  font-family: var(--sans);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--chalk);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  line-height: 1.4;
}

@media (min-width: 768px) {
  .faq details > summary { font-size: 1.25rem; }
}

.faq details > summary::-webkit-details-marker { display: none; }

.faq details > summary::after {
  content: "+";
  font-family: var(--mono);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--chalk-mute);
  flex: 0 0 auto;
  transition: transform var(--transition);
}

.faq details[open] > summary::after {
  content: "−";
  color: var(--chalk-accent);
}

.faq details > summary:hover { color: var(--chalk-accent); }
.faq details > summary:focus-visible {
  outline: 2px solid var(--chalk-accent);
  outline-offset: 4px;
}

.faq details .answer {
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--chalk-mute);
  margin: 1rem 0 0;
  font-weight: 400;
}

@media (min-width: 768px) {
  .faq details .answer { font-size: 1.0625rem; }
}

.faq details .answer p { margin: 0 0 0.85rem; }
.faq details .answer p:last-child { margin-bottom: 0; }

.faq details .answer ol,
.faq details .answer ul {
  margin: 0.4rem 0 1rem;
  padding-left: 1.6rem;
}
.faq details .answer ol { list-style: decimal; }
.faq details .answer ul { list-style: disc; }
.faq details .answer li {
  margin: 0 0 0.6rem;
  padding-left: 0.4rem;
}
.faq details .answer li::marker { color: var(--chalk-accent); font-weight: 600; }
.faq details .answer li:last-child { margin-bottom: 0; }

.faq details .answer strong { color: var(--chalk); font-weight: 600; }

.faq details .answer a {
  color: var(--chalk-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.faq details .answer a:hover { color: var(--chalk); }

.faq details .answer code {
  font-family: var(--mono);
  font-size: 0.9em;
  background: var(--slate-deep);
  padding: 0.1em 0.35em;
  border-radius: 3px;
  color: var(--chalk);
}

/* =========================================================
   MAKER section (light)
   ========================================================= */
.maker {
  background: var(--bg);
  padding: 5rem 1.5rem;
}

@media (min-width: 768px) {
  .maker { padding: 7rem 2rem 5rem; }
}

.maker-inner {
  max-width: 40rem;
  margin: 0 auto;
}

.maker .mono-caption {
  margin-bottom: 1.25rem;
}

.maker p {
  font-family: var(--sans);
  font-size: clamp(1.0625rem, 1rem + 0.4vw, 1.25rem);
  line-height: 1.55;
  color: var(--ink);
  margin: 0;
  font-weight: 400;
}

.maker .sig {
  display: block;
  font-family: var(--mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-muted);
  margin-top: 1.5rem;
  font-weight: 500;
}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer {
  background: var(--slate-deep);
  color: var(--chalk-mute);
  padding: 3rem 1.5rem 2.5rem;
  font-family: var(--sans);
  font-size: 0.9375rem;
}

@media (min-width: 768px) {
  .site-footer { padding: 4rem 2rem; }
}

.site-footer .row {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 768px) {
  .site-footer .row { flex-direction: row; justify-content: space-between; gap: 1.5rem; }
}

.site-footer a { color: var(--chalk-mute); text-decoration: none; transition: color var(--transition); }
.site-footer a:hover { color: var(--chalk); text-decoration: underline; text-underline-offset: 4px; }
.site-footer strong { color: var(--chalk); font-weight: 600; }

/* =========================================================
   GENERAL FORMS / BUTTONS (used by tool pages — keep)
   ========================================================= */
form .field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 1rem; }

form label, label {
  font-family: var(--sans);
  font-weight: 500;
  color: var(--ink);
  font-size: 0.9375rem;
}

form .help, .help {
  font-family: var(--sans);
  color: var(--ink-muted);
  font-size: 0.875rem;
  line-height: 1.5;
  margin-top: 2px;
}

input[type=text],
input[type=email],
input[type=number],
input[type=tel],
input[type=url],
input[type=search],
input[type=date],
select,
textarea {
  font-family: var(--sans);
  font-size: 1rem;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink);
  width: 100%;
  transition: border-color var(--transition), box-shadow var(--transition);
  min-height: 44px;
}

input::placeholder, textarea::placeholder { color: var(--ink-faint); }
input:hover, select:hover, textarea:hover { border-color: var(--line-strong); }

input:focus, select:focus, textarea:focus,
input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
  border-color: var(--ink);
}

textarea { min-height: 8rem; resize: vertical; line-height: 1.5; }

button, .btn {
  font-family: var(--sans);
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.2;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--ink);
  cursor: pointer;
  background: var(--ink);
  color: #ffffff;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  letter-spacing: -0.005em;
  transition: background-color var(--transition), border-color var(--transition), color var(--transition);
}

button:hover, .btn:hover { background: var(--ink-2); border-color: var(--ink-2); color: #ffffff; }

button:focus-visible, .btn:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

button:disabled, .btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn.secondary, button.secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}

.btn.secondary:hover, button.secondary:hover {
  background: var(--surface-2);
  border-color: var(--ink-muted);
  color: var(--ink);
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
  font-weight: 600;
}

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #ffffff;
}

.btn-lg { font-size: 1rem; padding: 14px 28px; min-height: 52px; }

.btn-link {
  background: transparent;
  border-color: transparent;
  color: var(--ink-muted);
  padding: 8px 0;
  min-height: auto;
  font-weight: 500;
}

.btn-link:hover {
  background: transparent;
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* Result panels (tool pages) */
.result {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin: 1.5rem 0;
}

@media (min-width: 768px) { .result { padding: 1.5rem 2rem; } }

.result .row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--sans);
  font-size: 0.9375rem;
}

.result .row:last-child { border-bottom: none; }
.result .row strong { color: var(--ink); font-weight: 600; }

/* Privacy notice */
.privacy-notice {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-left: 4px solid var(--ink-muted);
  padding: 0.875rem 1rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-family: var(--sans);
  font-size: 0.9375rem;
  color: var(--ink-muted);
  line-height: 1.5;
  margin: 1.5rem 0;
}

/* Threshold callout (tax page — visually loudest element) */
.threshold-callout {
  background: var(--slate-board);
  color: var(--chalk);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin: 1.75rem 0 1.25rem;
  border-left: 4px solid var(--chalk-accent);
}

@media (min-width: 768px) {
  .threshold-callout { padding: 2rem 2.25rem; }
}

.threshold-callout .mono-caption {
  color: var(--chalk-accent);
  margin: 0 0 0.75rem;
}

.threshold-callout .threshold-headline {
  font-family: var(--sans);
  margin: 0 0 0.85rem;
  line-height: 1.1;
}

.threshold-callout .threshold-headline strong {
  font-size: clamp(1.75rem, 1.25rem + 2vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--chalk);
}

.threshold-callout .threshold-note {
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--chalk-mute);
  margin: 0;
  max-width: 44rem;
}

.section-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1rem;
}

ul.checklist { list-style: none; padding: 0; margin: 0; }

ul.checklist li {
  position: relative;
  padding: 0.5rem 0 0.5rem 2rem;
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.5;
}

ul.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 16px;
  height: 16px;
  border: 1.5px solid var(--ink-muted);
  border-radius: 3px;
  background: transparent;
}

.tag {
  display: inline-block;
  padding: 2px 6px;
  background: var(--surface-2);
  color: var(--ink-muted);
  border: 1px solid var(--line);
  border-radius: 2px;
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 500;
  margin-left: 6px;
}

.tag.warn {
  background: var(--accent-soft);
  color: var(--accent-hover);
  border-color: rgba(217, 119, 6, 0.2);
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-muted);
  font-weight: 500;
  margin-bottom: 1rem;
}

.caption {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

/* =========================================================
   MOTION REDUCED
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }
  .hero-display .reveal { opacity: 1; transform: none; }
  .hero-slate::before { animation: none; }
  .mono-caption .dot { animation: none; }
}

@media (max-width: 640px) {
  .site-header { padding: 1rem; }
  .site-header nav { gap: 1rem; }
}