:root {
  --ink: #2f302e;
  --ink-soft: #4b4c49;
  --muted: #6d6e6a;
  --line: #c9cac5;
  --line-strong: #767873;
  --soft: #f4f4f0;
  --paper: #fafaf7;
  --white: #fff;
  --accent: #24ada5;
  --danger: #b42d24;
  --display: "neue-haas-grotesk-display", "Helvetica Neue", Arial, sans-serif;
  --text: "neue-haas-grotesk-text", "Helvetica Neue", Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --ease: cubic-bezier(.16, 1, .3, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background: var(--white);
  color: var(--ink);
  font-family: var(--text);
  font-size: 16px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
[hidden] { display: none !important; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  background: var(--ink);
  color: white;
  transform: translateY(-150%);
}
.skip-link:focus { transform: none; }

.site-header {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 110px;
  padding: 19px clamp(20px, 4vw, 64px);
  border-bottom: 1px solid var(--line);
  background: var(--white);
}
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  color: inherit;
  text-decoration: none;
}
.brand--text { justify-self: start; }
.brand-mark {
  display: block;
  width: 72px;
  height: 72px;
  overflow: visible;
  background: transparent;
}
.brand-mark--signature { justify-self: end; }
.brand-mark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.brand-copy { display: grid; line-height: 1.05; }
.brand-copy strong {
  font-family: var(--display);
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -.025em;
}
.brand-copy span {
  margin-top: 6px;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .08em;
}
.header-note {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  line-height: 1.45;
  letter-spacing: .08em;
  text-align: center;
  text-transform: uppercase;
}

.shell {
  display: grid;
  grid-template-columns: minmax(320px, .76fr) minmax(0, 1.24fr);
  min-height: calc(100vh - 180px);
}
.intro {
  position: sticky;
  top: 0;
  align-self: start;
  min-height: calc(100vh - 104px);
  padding: clamp(54px, 8vw, 120px) clamp(24px, 5vw, 80px);
  border-right: 1px solid var(--line);
  background: var(--white);
}
.eyebrow {
  margin: 0 0 28px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.intro h1 {
  max-width: 700px;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(54px, 7vw, 116px);
  font-weight: 600;
  line-height: .86;
  letter-spacing: -.055em;
}
.intro h1 em {
  color: var(--accent);
  font-style: normal;
  font-weight: 400;
}
.intro-copy {
  max-width: 470px;
  margin: clamp(32px, 5vw, 64px) 0 30px;
  font-size: clamp(18px, 1.7vw, 25px);
  line-height: 1.3;
  letter-spacing: -.012em;
}
.intro-copy p { margin: 0; }
.intro-copy p + p { margin-top: 18px; }
.intro-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-bottom: 36px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border: 1px solid var(--ink);
  border-radius: 0;
  padding: 0 20px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .06em;
  text-decoration: none;
  text-transform: uppercase;
  transition: background 180ms var(--ease), color 180ms var(--ease), border-color 180ms var(--ease);
}
.button-primary { background: var(--ink); color: white; }
.button-primary:hover { border-color: var(--accent); background: var(--accent); color: #20302e; }
.button-secondary { background: white; color: var(--ink); }
.button-secondary:hover { background: var(--soft); }
.button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 38%, transparent);
  outline-offset: 2px;
}
.button:disabled { cursor: wait; opacity: .55; }

.form-area {
  padding: clamp(44px, 6.4vw, 100px) clamp(24px, 6vw, 104px) clamp(72px, 8vw, 128px);
  background: var(--paper);
}
.progress-wrap { margin: 0 auto clamp(76px, 7vw, 108px); max-width: 860px; }
.progress-copy {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 15px;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.progress-track { height: 3px; background: var(--line); }
.progress-track span {
  display: block;
  width: 16.666%;
  height: 100%;
  background: var(--accent);
  transition: width 500ms var(--ease);
}
#brief-form, .success { max-width: 860px; margin: 0 auto; }
.step { min-width: 0; border: 0; padding: 0; margin: 0; animation: enter 450ms var(--ease); }
@keyframes enter { from { opacity: 0; transform: translateY(12px); } }
.step legend {
  display: grid;
  grid-template-columns: 54px 1fr;
  width: 100%;
  align-items: start;
  margin: 0;
  padding: 0;
  font-family: var(--display);
  font-size: clamp(46px, 5.15vw, 76px);
  font-weight: 600;
  line-height: .93;
  letter-spacing: -.048em;
}
.step-number {
  padding-top: 9px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
}
.step-intro {
  max-width: 590px;
  margin: 27px 0 clamp(70px, 7vw, 96px) 54px;
  color: var(--ink-soft);
  font-size: clamp(18px, 1.35vw, 21px);
  line-height: 1.4;
}
.field-grid { display: grid; gap: 38px; }
.field-grid.two { grid-template-columns: 1fr 1fr; }
.field { display: grid; gap: 14px; margin-bottom: 54px; }
.field > span {
  font-family: var(--display);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -.016em;
}
.field b, .consent b { color: var(--accent); font-weight: inherit; }
.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field input[type="date"],
.field textarea {
  width: 100%;
  border: 0;
  border-bottom: 1.5px solid var(--line-strong);
  border-radius: 0;
  padding: 14px 0 14px;
  background: transparent;
  color: var(--ink);
  font-family: var(--display);
  font-size: clamp(20px, 1.55vw, 24px);
  outline: none;
  resize: vertical;
  transition: border-color 180ms ease;
}
.field textarea { min-height: 138px; line-height: 1.38; }
.field input:hover, .field textarea:hover { border-color: var(--ink); }
.field input:focus, .field textarea:focus { border-bottom-color: var(--accent); }
.field input::placeholder, .field textarea::placeholder { color: #858680; }
.field small, .autosave {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.55;
  letter-spacing: .02em;
}
.field-error {
  min-height: 0;
  color: var(--danger) !important;
}
.field.has-error input, .field.has-error textarea { border-color: var(--danger); }

.choices { display: flex; flex-wrap: wrap; gap: 10px; }
.choices label { position: relative; cursor: pointer; }
.choices input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}
.choices span {
  display: flex;
  min-height: 48px;
  align-items: center;
  border: 1px solid #aeb0aa;
  padding: 10px 16px;
  background: var(--white);
  font-size: 15px;
  font-weight: 500;
  transition: border 150ms ease, background 150ms ease, color 150ms ease;
}
.choices label:hover span { border-color: var(--ink); }
.choices input:checked + span { border-color: var(--ink); background: var(--ink); color: white; }
.choices input:disabled + span { cursor: not-allowed; opacity: .35; }
.choices input:focus-visible + span { outline: 3px solid color-mix(in srgb, var(--accent) 38%, transparent); outline-offset: 2px; }
.choices-radio { display: grid; grid-template-columns: 1fr; }
.choices-radio span { justify-content: space-between; min-height: 60px; padding: 13px 18px; }
.choices-radio span::after { content: "○"; color: var(--accent); font-family: var(--mono); }
.choices-radio input:checked + span::after { content: "●"; }
.choices-short { display: flex; }
.choices-short label { min-width: 112px; }

.conditional {
  margin: -10px 0 54px;
  border-left: 2px solid var(--accent);
  padding: 28px 0 2px 28px;
}
.conditional .field { margin-bottom: 0; }
.consent {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 14px;
  align-items: start;
  margin: 8px 0;
  cursor: pointer;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.5;
}
.consent input { width: 20px; height: 20px; accent-color: var(--accent); }
.honeypot { position: absolute; left: -9999px; }
.form-actions {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  margin-top: 78px;
  border-top: 1px solid var(--line-strong);
  padding-top: 28px;
}
.form-actions [data-next], .form-actions [data-submit] { margin-left: auto; }
.autosave { margin: 14px 0 0; text-align: right; }
.form-message {
  margin-bottom: 28px;
  border-left: 3px solid var(--danger);
  padding: 14px 18px;
  background: #fff3f1;
  color: #6e211b;
}
.success { padding: 7vh 0; }
.success h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(70px, 11vw, 150px);
  font-weight: 600;
  line-height: .8;
  letter-spacing: -.06em;
}
.success > p:not(.eyebrow) { max-width: 560px; margin: 46px 0; font-size: clamp(20px, 2.3vw, 30px); line-height: 1.25; }
.success-copy { max-width: 610px; margin: 46px 0; font-size: clamp(20px, 2.3vw, 30px); line-height: 1.25; }
.success-copy p { margin: 0; }
.success-copy p + p { margin-top: 22px; }
.success-id { display: block; margin: 0 0 32px; color: var(--muted); font-family: var(--mono); font-size: 10px; }

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 22px clamp(20px, 4vw, 64px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .06em;
  text-transform: uppercase;
}

@media (max-width: 900px) {
  .shell { display: block; }
  .intro { position: relative; min-height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .form-area { padding-top: 52px; }
  .progress-wrap { margin-bottom: 54px; }
}
@media (max-width: 620px) {
  .site-header { grid-template-columns: 1fr auto; min-height: 84px; padding: 12px 18px; }
  .brand-mark { width: 54px; height: 54px; }
  .brand-copy strong { font-size: 17px; }
  .brand-copy span { font-size: 12px; }
  .header-note { display: none; }
  .intro { padding: 62px 20px 54px; }
  .intro h1 { font-size: clamp(52px, 18vw, 78px); }
  .intro-copy { font-size: 19px; }
  .form-area { padding: 36px 20px 60px; }
  .progress-copy #progress-title { max-width: 60%; text-align: right; }
  .step legend { grid-template-columns: 34px 1fr; font-size: clamp(38px, 11vw, 48px); }
  .step-intro { margin-left: 34px; margin-bottom: 48px; }
  .field-grid.two { grid-template-columns: 1fr; gap: 0; }
  .field { margin-bottom: 36px; }
  .field input[type="text"], .field input[type="email"], .field input[type="tel"], .field input[type="date"], .field textarea { font-size: 18px; }
  .choices span { font-size: 13px; }
  .conditional { padding-left: 18px; }
  .form-actions { align-items: stretch; flex-direction: column-reverse; }
  .form-actions .button { width: 100%; }
  .form-actions [data-next], .form-actions [data-submit] { margin-left: 0; }
  .autosave { text-align: left; }
  .site-footer { display: grid; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition-duration: .01ms !important; }
}