/* Hallmark · pre-emit critique: P5 H5 E5 S5 R5 V5
 * Hallmark · genre: editorial · macrostructure: Split Studio · theme: Studio
 * enrichment: Tier-B hand-built SVG · nav: N9 edge-aligned minimal · footer: Ft6 letter close
 * H2 knobs: ratio=7/5, proof=illustrated work board, divider=negative space
 * C1 knobs: shape=rectangular, density=spacious, adornment=arrow
 */
:root {
  --color-paper: oklch(95% 0.018 82);
  --color-paper-2: oklch(91% 0.025 80);
  --color-paper-3: oklch(87% 0.03 77);
  --color-ink: oklch(18% 0.018 62);
  --color-ink-2: oklch(31% 0.018 62);
  --color-muted: oklch(47% 0.015 65);
  --color-rule: oklch(75% 0.025 73);
  --color-accent: oklch(62% 0.19 42);
  --color-accent-dark: oklch(43% 0.15 40);
  --color-focus: oklch(53% 0.2 42);
  --color-success: oklch(47% 0.12 145);
  --color-error: oklch(47% 0.17 27);
  --color-shadow: oklch(24% 0.018 62 / 0.1);
  --color-overlay: oklch(18% 0.018 62 / 0.06);

  --font-display: "Bricolage Grotesque", ui-sans-serif, sans-serif;
  --font-body: "IBM Plex Sans", ui-sans-serif, sans-serif;

  --space-3xs: 0.125rem;
  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  --space-4xl: 9rem;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-md: 1.25rem;
  --text-lg: 1.5625rem;
  --text-xl: 1.953rem;
  --text-2xl: 2.441rem;
  --text-3xl: 3.052rem;
  --text-display: clamp(3rem, 5.5vw + 0.5rem, 5.25rem);

  --page-gutter: clamp(1rem, 4vw, 4rem);
  --page-max: 92rem;
  --radius-input: 0.15rem;
  --radius-round: 999rem;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.7, 0, 0.84, 0);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-micro: 120ms;
  --dur-short: 220ms;
  --dur-long: 420ms;
  --z-base: 1;
  --z-raised: 10;
  --z-sticky: 200;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: clip; }
body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  overflow-x: clip;
}
img, svg { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
mark { color: var(--color-accent-dark); background: none; }
[hidden] { display: none !important; }

.skip-link {
  position: fixed;
  inset-block-start: var(--space-md);
  inset-inline-start: var(--space-md);
  z-index: var(--z-sticky);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-ink);
  color: var(--color-paper);
  transform: translateY(-180%);
}
.skip-link:focus { transform: none; }

.page-shell { width: min(100%, var(--page-max)); margin-inline: auto; padding-inline: var(--page-gutter); }
.demo-ribbon {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--page-gutter);
  border-block-end: 1px solid var(--color-rule);
  background: var(--color-paper-2);
  color: var(--color-ink-2);
  font-size: var(--text-sm);
  text-align: center;
}
.demo-ribbon strong { color: var(--color-accent-dark); }

.nav-edge {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  min-height: 6rem;
  padding-block: var(--space-md);
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 800;
  letter-spacing: -0.035em;
  text-decoration: none;
  white-space: nowrap;
}
.wordmark__mark { width: 2.25rem; color: var(--color-accent); fill: currentColor; }

.cta-outline, .text-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  min-height: 2.9rem;
  color: var(--color-ink);
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}
.cta-outline {
  padding: var(--space-sm) var(--space-lg);
  border: 1px solid var(--color-ink);
  background: transparent;
  cursor: pointer;
  transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}
.cta-outline--compact { min-height: 2.75rem; padding-block: var(--space-xs); }
.text-link { position: relative; padding-inline: var(--space-2xs); }
.text-link::after { content: ""; position: absolute; inset-inline: 0; inset-block-end: 0.35rem; height: 1px; background: var(--color-ink); transform-origin: left; transition: transform var(--dur-short) var(--ease-out); }

@media (hover: hover) and (pointer: fine) {
  .cta-outline:hover { background: var(--color-ink); color: var(--color-paper); transform: translateY(-2px); }
  .text-link:hover::after { transform: scaleX(0.45); }
}
.cta-outline:active { transform: translateY(0); }
:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 4px; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(var(--space-xl), 6vw, var(--space-4xl));
  align-items: center;
  padding-block: clamp(var(--space-2xl), 8vw, var(--space-4xl));
}
.kicker {
  margin: 0;
  color: var(--color-accent-dark);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}
h1, h2, h3 { margin: 0; font-family: var(--font-display); font-style: normal; overflow-wrap: anywhere; min-width: 0; }
h1 { margin-block: var(--space-md) var(--space-lg); font-size: var(--text-display); font-weight: 800; line-height: 0.98; letter-spacing: -0.055em; }
h2 { font-size: clamp(2.25rem, 3.4vw, 4rem); font-weight: 750; line-height: 1.02; letter-spacing: -0.045em; }
h3 { font-size: var(--text-xl); font-weight: 750; line-height: 1.12; letter-spacing: -0.03em; }
.hero__lede { max-width: 58ch; margin: 0; color: var(--color-ink-2); font-size: var(--text-md); }
.hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-lg); margin-block-start: var(--space-xl); }

.job-board {
  position: relative;
  min-width: 0;
  padding: var(--space-lg);
  border: 1px solid var(--color-ink);
  background: var(--color-paper-2);
  box-shadow: 1rem 1rem 0 var(--color-overlay);
  transform: rotate(1deg);
}
.job-board::before { content: ""; position: absolute; inset: var(--space-xs); border: 1px solid var(--color-rule); pointer-events: none; }
.job-board__head { display: flex; justify-content: space-between; gap: var(--space-md); font-family: var(--font-display); font-size: var(--text-sm); font-weight: 700; letter-spacing: 0.08em; }
.route-map { width: 100%; margin-block: var(--space-md); color: var(--color-ink); }
.route-map__grid { fill: none; stroke: var(--color-rule); stroke-width: 1; }
.route-map__route { fill: none; stroke: var(--color-accent); stroke-width: 8; stroke-linecap: round; stroke-dasharray: 12 15; }
.route-map__point circle { fill: var(--color-paper); stroke: var(--color-ink); stroke-width: 3; }
.route-map__point text { fill: var(--color-ink); font-family: var(--font-display); font-size: 17px; font-weight: 800; text-anchor: middle; }
.route-key { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-sm); margin: 0; padding: 0; list-style: none; font-size: var(--text-sm); }
.route-key li { display: grid; gap: var(--space-2xs); border-block-start: 1px solid var(--color-rule); padding-block-start: var(--space-xs); }
.route-key span { color: var(--color-accent-dark); font-weight: 700; font-variant-numeric: tabular-nums; }
.job-board__note { margin: var(--space-lg) 0 0; color: var(--color-muted); font-size: var(--text-xs); }

.reveal { opacity: 0; transform: translateY(8px); animation: reveal var(--dur-long) var(--ease-out) forwards; animation-delay: calc(var(--i, 0) * 80ms); }
.reveal--first { --i: 0; }
.reveal--second { --i: 1; }
@keyframes reveal { to { opacity: 1; transform: none; } }

.service-intro {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: clamp(var(--space-xl), 8vw, var(--space-4xl));
  align-items: end;
  padding-block: var(--space-3xl) var(--space-2xl);
  border-block-start: 1px solid var(--color-rule);
}
.service-intro h2 { max-width: 18ch; margin-block-start: var(--space-md); }
.service-intro > p { max-width: 48ch; margin: 0; color: var(--color-ink-2); font-size: var(--text-md); }

.service-studio { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(var(--space-xl), 6vw, var(--space-4xl)); padding-block: var(--space-xl) var(--space-4xl); }
.service-list { border-block-start: 1px solid var(--color-rule); }
.service-row {
  width: 100%; display: grid; grid-template-columns: 2.5rem minmax(0, 1fr) auto; gap: var(--space-md); align-items: center;
  min-height: 6.5rem; padding: var(--space-md) 0; border: 0; border-block-end: 1px solid var(--color-rule);
  background: transparent; color: var(--color-ink); text-align: start; cursor: pointer;
}
.service-row > span:nth-child(2) { display: grid; gap: var(--space-2xs); }
.service-row strong { font-family: var(--font-display); font-size: var(--text-md); }
.service-row small { color: var(--color-muted); font-size: var(--text-sm); }
.service-row__number { color: var(--color-muted); font-size: var(--text-sm); font-variant-numeric: tabular-nums; }
.service-row.is-active strong, .service-row.is-active .service-row__number { color: var(--color-accent-dark); }
.service-row.is-active > span:last-child { transform: rotate(45deg); }
.service-row > span:last-child { transition: transform var(--dur-short) var(--ease-out); }

.service-proof { display: grid; align-content: center; gap: var(--space-xl); min-height: 37rem; padding: clamp(var(--space-lg), 4vw, var(--space-2xl)); background: var(--color-ink); color: var(--color-paper); }
.service-proof__visual { width: min(100%, 31rem); margin-inline: auto; color: var(--color-paper); }
.tool-line { fill: none; stroke: var(--color-paper); stroke-width: 7; stroke-linecap: square; }
.tool-accent { fill: var(--color-accent); }
.tool-dot { fill: var(--color-accent); }
.service-proof__label { margin: 0 0 var(--space-sm); color: var(--color-accent); font-size: var(--text-sm); font-weight: 700; letter-spacing: 0.1em; }
.service-proof h3 { max-width: 21ch; }
.service-proof p { max-width: 55ch; color: var(--color-paper-3); }
.service-proof ul { display: grid; gap: var(--space-xs); margin: var(--space-lg) 0 0; padding: 0; list-style: none; }
.service-proof li::before { content: "—"; margin-inline-end: var(--space-sm); color: var(--color-accent); }

.process { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(var(--space-xl), 7vw, var(--space-4xl)); padding-block: var(--space-3xl); border-block: 1px solid var(--color-rule); }
.process__statement { align-self: start; }
.process__statement h2 { max-width: 14ch; margin-block-start: var(--space-md); }
.process__steps { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
.process__steps li { display: grid; grid-template-columns: 4rem minmax(0, 1fr); gap: var(--space-md); padding-block: var(--space-xl); border-block-end: 1px solid var(--color-rule); }
.process__steps li:first-child { padding-block-start: 0; }
.process__steps span { color: var(--color-accent-dark); font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 800; font-variant-numeric: tabular-nums; }
.process__steps p { max-width: 55ch; margin: var(--space-xs) 0 0; color: var(--color-ink-2); }

.quote-section { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(var(--space-xl), 7vw, var(--space-4xl)); padding-block: var(--space-4xl); }
.quote-section__intro { align-self: start; position: sticky; inset-block-start: var(--space-xl); }
.quote-section__intro h2 { max-width: 14ch; margin-block: var(--space-md) var(--space-lg); }
.quote-section__intro > p { max-width: 50ch; color: var(--color-ink-2); }
.demo-spec { margin-block-start: var(--space-xl); border-block-start: 1px solid var(--color-rule); }
.demo-spec div { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md); padding-block: var(--space-sm); border-block-end: 1px solid var(--color-rule); }
.demo-spec dt { color: var(--color-muted); }
.demo-spec dd { margin: 0; font-weight: 700; text-align: end; }

.quote-form { padding: clamp(var(--space-lg), 4vw, var(--space-2xl)); background: var(--color-paper-2); border-block-start: 0.35rem solid var(--color-ink); }
.field, .field-grid { margin-block-end: var(--space-lg); }
.field-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-lg); }
.field-grid .field { margin: 0; }
.field label { display: block; margin-block-end: var(--space-xs); font-weight: 700; }
.field input, .field textarea, .field select {
  width: 100%; min-height: 3.25rem; padding: var(--space-sm) var(--space-md); border: 1px solid var(--color-rule); border-radius: var(--radius-input); background: var(--color-paper); color: var(--color-ink);
  transition: border-color var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out);
}
.field textarea { resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--color-ink); background: var(--color-paper); }
.field [aria-invalid="true"] { border-color: var(--color-error); border-style: dashed; }
.field__hint, .field__error { min-height: 1lh; margin: var(--space-xs) 0 0; font-size: var(--text-sm); }
.field__hint { color: var(--color-muted); }
.field__error { color: var(--color-error); font-weight: 500; }
.field input:focus-visible, .field textarea:focus-visible, .field select:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 1px;
}
button:disabled, input:disabled, textarea:disabled, select:disabled {
  cursor: not-allowed;
  opacity: 0.55;
  border-style: dashed;
}
.check-field { display: grid; grid-template-columns: 1.5rem minmax(0, 1fr); gap: var(--space-sm); align-items: start; margin-block: var(--space-lg); cursor: pointer; }
.check-field input { width: 1.25rem; height: 1.25rem; margin-block-start: var(--space-2xs); accent-color: var(--color-accent-dark); }
.quote-form__submit { width: 100%; }
.form-result { display: grid; grid-template-columns: 2.5rem minmax(0, 1fr); gap: var(--space-md); margin-block-start: var(--space-lg); padding: var(--space-lg); border: 1px solid var(--color-success); background: var(--color-paper); }
.form-result svg { width: 2rem; fill: none; stroke: var(--color-success); stroke-width: 2.5; }
.form-result p { margin: var(--space-2xs) 0 0; color: var(--color-ink-2); }

.questions { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(var(--space-xl), 7vw, var(--space-4xl)); padding-block: var(--space-3xl) var(--space-4xl); border-block-start: 1px solid var(--color-rule); }
.questions h2 { max-width: 15ch; margin-block-start: var(--space-md); }
.faq-list { border-block-start: 1px solid var(--color-rule); }
.faq-list details { border-block-end: 1px solid var(--color-rule); }
.faq-list summary { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--space-md); align-items: center; min-height: 5rem; cursor: pointer; font-family: var(--font-display); font-size: var(--text-md); font-weight: 700; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--color-accent-dark); transition: transform var(--dur-short) var(--ease-out); }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { max-width: 58ch; margin: 0; padding: 0 var(--space-xl) var(--space-lg) 0; color: var(--color-ink-2); }

.foot-letter { padding-block: var(--space-3xl) var(--space-2xl); background: var(--color-ink); color: var(--color-paper); }
.foot-letter.page-shell { width: 100%; max-width: none; }
.foot-letter__close { max-width: 26ch; margin: 0; font-family: var(--font-display); font-size: clamp(2rem, 4vw, 4rem); font-weight: 700; font-style: normal; line-height: 1.08; letter-spacing: -0.04em; }
.foot-letter__close span { color: var(--color-accent); }
.foot-letter__ps { max-width: 70ch; margin-block: var(--space-xl); color: var(--color-paper-3); font-size: var(--text-sm); }
.foot-letter .text-link { color: var(--color-paper); }
.foot-letter .text-link::after { background: var(--color-paper); }

@media (min-width: 90rem) { .job-board { margin-inline-end: -2rem; } }

@media (max-width: 60rem) {
  .hero, .service-intro, .service-studio, .process, .quote-section, .questions { grid-template-columns: minmax(0, 1fr); }
  .hero { gap: var(--space-3xl); }
  .job-board { transform: none; max-width: 44rem; }
  .service-intro { align-items: start; }
  .service-studio { gap: var(--space-xl); }
  .service-proof { min-height: auto; }
  .quote-section__intro { position: static; }
}

@media (max-width: 40rem) {
  :root { --text-display: clamp(2.7rem, 13vw, 4rem); --page-gutter: clamp(1rem, 5vw, 1.5rem); }
  .demo-ribbon { display: grid; gap: 0; }
  .nav-edge { min-height: 5rem; }
  .wordmark { font-size: var(--text-base); }
  .wordmark__mark { width: 1.8rem; }
  .cta-outline--compact { padding-inline: var(--space-md); }
  .cta-outline--compact span { display: none; }
  .hero { padding-block: var(--space-2xl) var(--space-3xl); }
  h1 { line-height: 1; }
  .hero__actions { align-items: stretch; }
  .hero__actions .cta-outline, .hero__actions .text-link { width: 100%; }
  .job-board { padding: var(--space-md); box-shadow: var(--space-sm) var(--space-sm) 0 var(--color-overlay); }
  .job-board__head { font-size: var(--text-xs); }
  .route-key { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .service-intro { padding-block: var(--space-2xl) var(--space-lg); }
  .service-studio { padding-block-end: var(--space-3xl); }
  .service-row { min-height: 5.75rem; grid-template-columns: 2rem minmax(0, 1fr) auto; }
  .service-proof { padding: var(--space-lg); }
  .process, .quote-section, .questions { padding-block: var(--space-3xl); }
  .process__steps li { grid-template-columns: 3rem minmax(0, 1fr); }
  .field-grid { grid-template-columns: minmax(0, 1fr); }
  .quote-form { padding: var(--space-lg); }
  .questions { gap: var(--space-xl); }
  .faq-list summary { font-size: var(--text-base); }
}

@media (pointer: coarse) {
  .service-row, .cta-outline, .text-link, .faq-list summary { min-height: 3rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 150ms !important; animation-iteration-count: 1 !important; transition-duration: 150ms !important; }
  .reveal { animation-name: reveal-reduced; }
  @keyframes reveal-reduced { to { opacity: 1; transform: none; } }
}