:root {
  --bg: #0f1419;
  --surface: #1a222c;
  --border: #2d3a47;
  --text: #e8eef4;
  --muted: #9aabbc;
  --accent: #5b9fd4;
  --accent-hover: #7bb3de;
  --ok: #6bcb8f;
  --warn: #e8b86d;
  --radius: 10px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.skip-link {
  position: absolute;
  left: 0.75rem;
  top: -3rem;
  z-index: 10;
  background: var(--accent);
  color: #0a1016;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
}

.skip-link:focus {
  top: 0.75rem;
}

.site-header,
main,
.site-footer {
  width: min(840px, 100% - 2rem);
  margin-inline: auto;
}

.site-header {
  padding: 1.25rem 0 0.5rem;
}

.disclosure {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--warn);
  padding: 0.75rem 1rem;
  margin: 0 0 1rem;
  font-size: 0.9rem;
  border-radius: var(--radius);
}

.disclosure code,
.methodology code,
.method-list code,
.code-block,
.form-hint code {
  font-size: 0.85em;
  background: #12181f;
  padding: 0.1rem 0.3rem;
  border-radius: 4px;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.85rem;
  margin: 0 0 1rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
}

.site-nav a {
  color: var(--accent);
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

.site-nav a[aria-current="page"] {
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
}

h1 {
  font-size: clamp(1.5rem, 4vw, 1.85rem);
  margin: 0 0 0.5rem;
  font-weight: 700;
}

h2 {
  font-size: 1.2rem;
  margin: 0 0 0.6rem;
}

h3 {
  font-size: 1rem;
  margin: 1rem 0 0.4rem;
}

.lede {
  color: var(--muted);
  margin: 0 0 1.5rem;
}

.crumb {
  margin: 0 0 0.75rem;
  font-size: 0.9rem;
}

.crumb a,
.site-footer a,
.source-line a,
.methodology a,
.guides a,
.faq-links a,
.guide-list a {
  color: var(--accent);
}

.crumb a:hover,
.site-footer a:hover,
.source-line a:hover,
.methodology a:hover,
.guides a:hover,
.faq-links a:hover,
.guide-list a:hover {
  color: var(--accent-hover);
}

main {
  flex: 1;
  padding-bottom: 2rem;
}

.progress-bar {
  margin: 0 0 1rem;
}

.progress-label {
  margin: 0 0 0.35rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.progress-track {
  height: 6px;
  background: var(--border);
  border-radius: 99px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 99px;
  transition: width 0.2s ease;
}

.step-hint {
  font-weight: 500;
  font-size: 0.8rem;
  color: var(--ok);
  margin-left: 0.35rem;
}

fieldset {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 1rem 1.1rem;
  margin: 0 0 1rem;
}

fieldset.is-complete {
  border-color: #3d5a4a;
}

legend {
  font-weight: 600;
  padding: 0 0.35rem;
}

fieldset label.option {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 0.55rem 0.65rem;
  margin: 0.2rem 0;
  cursor: pointer;
  border-radius: 8px;
  border: 1px solid transparent;
}

fieldset label.option:hover {
  background: #12181f;
}

fieldset label.option.is-selected {
  border-color: var(--accent);
  background: #152230;
}

fieldset label.option:focus-within {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

fieldset input {
  margin: 0.15rem 0 0;
  flex-shrink: 0;
}

.form-hint {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--warn);
  padding: 0.7rem 1rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  margin: 0 0 0.75rem;
}

.submit-bar {
  position: sticky;
  bottom: 0;
  z-index: 5;
  padding: 0.75rem 0 calc(0.75rem + env(safe-area-inset-bottom, 0));
  background: linear-gradient(to top, var(--bg) 70%, transparent);
  margin: 0 -0.25rem;
}

.btn-primary,
.btn-secondary,
.cta {
  display: inline-block;
  font: inherit;
  font-weight: 600;
  border-radius: var(--radius);
  padding: 0.65rem 1.15rem;
  cursor: pointer;
  text-decoration: none;
  border: none;
  text-align: center;
}

.btn-primary:focus-visible,
.btn-secondary:focus-visible,
.cta:focus-visible,
a:focus-visible,
input:focus-visible,
.code-block:focus-visible,
.table-wrap:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--accent);
  color: #0a1016;
  width: 100%;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-primary:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-secondary {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  margin-top: 1rem;
}

.btn-secondary:hover {
  color: var(--text);
  border-color: var(--muted);
}

.results,
.compare,
.methodology,
.guides {
  margin-top: 2rem;
}

.results-note,
.section-note,
.source-line {
  color: var(--muted);
  font-size: 0.9rem;
}

.mismatch {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--warn);
  padding: 0.7rem 1rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
}

.mismatch strong {
  color: var(--warn);
}

.faq-links {
  margin: 1rem 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.guide-list {
  padding-left: 1.2rem;
  margin: 0;
}

.guide-list li {
  margin-bottom: 0.4rem;
}

.cards {
  display: grid;
  gap: 1rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
}

.card h3 {
  margin: 0 0 0.35rem;
  font-size: 1.15rem;
}

.card .match {
  font-size: 0.8rem;
  color: var(--ok);
  margin: 0 0 0.5rem;
}

.card .fit {
  margin: 0 0 0.75rem;
}

.card .buyer {
  font-size: 0.9rem;
  color: var(--muted);
  margin: 0 0 0.75rem;
}

.card .label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin: 0.6rem 0 0.25rem;
}

.card ul {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--text);
}

.card li {
  margin-bottom: 0.2rem;
}

.card .related-faq {
  margin: 0.85rem 0 0;
  font-size: 0.88rem;
}

.placeholder-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  background: #2a3540;
  color: var(--warn);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  margin-bottom: 0.5rem;
}

.cta {
  background: var(--accent);
  color: #0a1016;
  margin-top: 1rem;
  width: 100%;
}

.cta:hover {
  background: var(--accent-hover);
}

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  min-width: 36rem;
}

.compare-table caption {
  text-align: left;
  padding: 0.7rem 0.9rem 0.3rem;
  color: var(--muted);
  font-size: 0.8rem;
}

.compare-table th,
.compare-table td {
  text-align: left;
  vertical-align: top;
  padding: 0.65rem 0.9rem;
  border-top: 1px solid var(--border);
}

.compare-table thead th {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  font-weight: 600;
}

.method-list {
  padding-left: 1.2rem;
}

.method-list li {
  margin-bottom: 0.55rem;
}

.code-block {
  display: block;
  overflow-x: auto;
  background: #12181f;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.82rem;
  color: var(--text);
  white-space: pre;
}

.site-footer {
  padding: 1rem 0 1.5rem;
  border-top: 1px solid var(--border);
  margin-top: auto;
  color: var(--muted);
  font-size: 0.85rem;
}

.site-footer p {
  margin: 0;
}

.directory-badges {
  margin: 0.85rem 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
}

.directory-badges img {
  display: block;
  width: 160px;
  height: 44px;
  vertical-align: middle;
}


@media (max-width: 559px) {
  fieldset label.option {
    padding: 0.65rem 0.7rem;
  }

  .site-nav {
    font-size: 0.82rem;
    gap: 0.3rem 0.65rem;
  }

  .submit-bar {
    position: sticky;
    bottom: 0;
  }
}

@media (min-width: 560px) {
  .btn-primary {
    width: auto;
    min-width: 14rem;
  }
}

/* Stack cost calculator */
.calc-output {
  margin-top: 1.5rem;
}

.calc-range-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin: 0 0 0.75rem;
}

.calc-range-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.calc-range {
  font-size: 1.75rem;
  color: var(--ok);
}

.calc-subh {
  font-size: 1rem;
  margin: 1rem 0 0.4rem;
}

.calc-lines {
  margin: 0;
  padding-left: 1.2rem;
}

.calc-lines li {
  margin-bottom: 0.75rem;
}

.calc-note,
.calc-why,
.calc-diy {
  font-size: 0.85rem;
  color: var(--muted);
}

.calc-rec {
  margin: 0 0 0.75rem;
}

.cta-row {
  margin: 0.75rem 0;
}

.cta-row .btn-secondary {
  margin-top: 0;
  width: auto;
  display: inline-block;
}

/* Worksheet / planner pages */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.worksheet-form {
  margin: 0.75rem 0 1.25rem;
}

.worksheet-table .worksheet-input {
  width: 100%;
  max-width: 8rem;
}

.worksheet-input {
  font: inherit;
  color: var(--text);
  background: #0d1218;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.45rem 0.55rem;
}

.worksheet-input.wide {
  max-width: none;
  width: 100%;
}

.worksheet-grid {
  display: grid;
  gap: 0.75rem;
  margin: 0 0 1rem;
}

.worksheet-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.92rem;
  color: var(--muted);
}

.worksheet-field span {
  color: var(--text);
  font-weight: 600;
}

label.option.inline {
  display: inline-flex;
  margin: 0;
  padding: 0.25rem 0.4rem;
  border: none;
  background: transparent;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
}

/* Growth #1 — internal calc-link callout */
.calc-link-block {
  margin: 1.25rem 0 0;
  border-left: 3px solid var(--accent, #5b9fd4);
}
.calc-link-block .calc-link-title {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
}
.calc-link-block p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* Growth #2 — worked examples + copy-link */
.calc-examples {
  margin: 1.25rem 0;
}
.calc-examples-grid {
  display: grid;
  gap: 0.85rem;
  margin: 0.75rem 0 0;
}
@media (min-width: 720px) {
  .calc-examples-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.calc-example {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem 0.95rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.calc-example h3 {
  margin: 0;
  font-size: 1rem;
}
.calc-example ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
  font-size: 0.88rem;
}
.calc-example .ex-assumptions {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
}
.calc-example .ex-dated {
  margin: 0;
  font-size: 0.8rem;
  color: var(--muted);
  font-style: italic;
}
.calc-share-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin: 0.75rem 0 0;
}
.calc-share-status {
  font-size: 0.85rem;
  color: var(--muted);
  min-height: 1.2em;
}

/* LetsLaunch Visit — compact quick-start + landing hero (lean) */
.quick-start {
  margin: 1rem 0 0;
  border-left: 3px solid var(--accent, #5b9fd4);
}
.quick-start-title {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}
.quick-start-copy {
  margin: 0 0 0.55rem;
  color: var(--muted);
  font-size: 0.92rem;
}
.quick-start-copy .disclosure {
  display: inline;
  font-size: 0.85rem;
}
.quick-start-ctas .btn-secondary {
  margin-top: 0.35rem;
  width: auto;
  display: inline-block;
}
.ll-hero .ll-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
}
.ll-hero .ll-cta-row .btn-secondary {
  margin-top: 0;
  width: auto;
}
.from-note {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
}