.concept-page .concept-section { padding: 64px 0; border-bottom: 1px solid var(--line); }
.concept-page .concept-hero { padding-top: 64px; }
.concept-page .concept-hero-copy { max-width: 900px; margin-top: 30px; }
.concept-page .concept-hero h1 { max-width: 760px; font-size: clamp(42px, 5.2vw, 76px); line-height: 1.04; }
.concept-page .concept-hero h1 em { display: block; }
.concept-page .concept-lead { font-size: 18px; line-height: 1.7; max-width: 700px; margin: 24px 0; }
.concept-page .concept-kicker { margin-bottom: 18px; color: var(--ink); }
.concept-page .concept-small { margin-top: 16px; font-size: 13px; }
.concept-page .concept-small a, .concept-page .concept-form-note a { text-decoration: underline; text-underline-offset: 3px; }
.concept-page .concept-section-heading { display: flex; align-items: end; justify-content: space-between; gap: 32px; margin-bottom: 30px; }
.concept-page .concept-section-heading h2, .concept-page .concept-request h2 { font-size: clamp(30px, 3.4vw, 46px); }
.concept-page .concept-section-heading h2 { max-width: 620px; }
.concept-page .concept-section-heading p { max-width: 370px; font-size: 15px; }
.concept-page .concept-reviews { scroll-margin-top: 84px; }
.concept-page .concept-work { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
.concept-page .concept-project { border: 1px solid var(--line); min-width: 0; }
.concept-page .concept-project img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; object-position: top; border-bottom: 1px solid var(--line); }
.concept-page .concept-project-copy { padding: 26px; }
.concept-page .concept-project-copy h3 { margin: 10px 0 14px; font-size: 26px; }
.concept-page .concept-project-copy > p { margin-bottom: 18px; font-size: 15px; }
.concept-page .concept-project-copy > a { text-decoration: underline; text-underline-offset: 4px; font-size: 14px; }
.concept-page .concept-request { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(32px, 6vw, 88px); align-items: start; }
.concept-page #request-concept, .concept-page #consultation-form { scroll-margin-top: 84px; }
.concept-page .concept-request-intro > p { margin-top: 20px; }
.concept-page .concept-steps { list-style: none; padding: 0; margin: 30px 0; counter-reset: concept-step; }
.concept-page .concept-steps li { counter-increment: concept-step; position: relative; padding: 18px 0 18px 42px; border-top: 1px solid var(--line); }
.concept-page .concept-steps li::before { content: '0' counter(concept-step); position: absolute; left: 0; top: 21px; font: 11px var(--mono); color: var(--muted); }
.concept-page .concept-steps strong { display: block; font-size: 15px; margin-bottom: 5px; }
.concept-page .concept-steps p { font-size: 14px; }
.concept-page .concept-form-panel { padding: clamp(20px, 3vw, 36px); border: 1px solid var(--ink); background: #faf9f6; min-width: 0; }
.concept-page .concept-form-panel h3 { font-size: 25px; margin-bottom: 12px; }
.concept-page .concept-form-panel > p { font-size: 14px; margin-bottom: 24px; }
.concept-page .concept-brief { margin: 0 0 24px; padding: 20px; border: 1px solid var(--line); background: var(--paper); overflow-wrap: anywhere; }
.concept-page .concept-brief h4 { font-size: 18px; margin-bottom: 12px; }
.concept-page #concept-brief-category { font-size: 16px; font-weight: 600; color: var(--ink); }
.concept-page .concept-brief dl { margin: 16px 0; }
.concept-page .concept-brief dl > div { padding: 8px 0; border-top: 1px solid var(--line); }
.concept-page .concept-brief dt { font-size: 12px; color: var(--muted); }
.concept-page .concept-brief dd { margin: 4px 0 0; font-size: 14px; color: var(--ink); }
.concept-page .concept-brief summary { cursor: pointer; font-size: 14px; text-decoration: underline; text-underline-offset: 3px; padding: 8px 0; }
.concept-page #concept-brief-requirements { font-size: 13px; line-height: 1.6; }
.concept-page #concept-brief-requirements h5 { font-size: 14px; margin: 16px 0 6px; }
.concept-page #concept-brief-requirements ul { padding-left: 20px; }
.concept-page #concept-brief-requirements > p { margin-top: 18px; font-size: 12px; }
.concept-page .concept-brief-actions { display: flex; flex-wrap: wrap; gap: 8px 20px; margin: 16px 0; }
.concept-page .concept-brief-actions a, .concept-page .concept-brief-actions button { display: inline-flex; align-items: center; min-height: 44px; color: var(--ink); background: none; border: 0; padding: 0; font: inherit; font-size: 14px; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.concept-page .concept-brief-note, .concept-page .concept-brief-notice { font-size: 13px; }
.concept-page .concept-brief-notice { border-left: 2px solid var(--ink); padding: 12px 16px; margin-bottom: 24px; }
.concept-page .concept-brief a:focus-visible, .concept-page .concept-brief button:focus-visible, .concept-page .concept-brief summary:focus-visible { outline: 2px solid var(--ink); outline-offset: 4px; }
.concept-page .concept-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.concept-page .concept-field { min-width: 0; }
.concept-page .concept-field-wide { grid-column: 1 / -1; }
.concept-page .concept-field label { display: block; color: var(--ink); font-size: 14px; font-weight: 600; margin-bottom: 8px; }
.concept-page .concept-field label span { font-weight: 400; color: var(--muted); }
.concept-page .concept-field input, .concept-page .concept-field textarea { display: block; width: 100%; min-width: 0; min-height: 48px; border: 1px solid #898780; border-radius: 0; background: var(--paper); color: var(--ink); padding: 12px; font: 16px/1.5 var(--body); }
.concept-page .concept-field textarea { resize: vertical; min-height: 145px; }
.concept-page .concept-field input[aria-invalid='true'], .concept-page .concept-field textarea[aria-invalid='true'] { border: 2px solid #922b25; }
.concept-page .concept-field-error { color: #922b25; font-size: 13px; margin-top: 6px; }
.concept-page .concept-field-help { font-size: 12px; margin-top: 8px; }
.concept-page .concept-form-note { margin: 22px 0; font-size: 12px; }
.concept-page .concept-submit { width: 100%; }
.concept-page .concept-submit:disabled { cursor: wait; opacity: .65; }
.concept-page .concept-error-summary { border-left: 3px solid #922b25; padding: 14px 18px; background: #f4e7e3; color: #641c18; margin: 22px 0; font-size: 14px; }
.concept-page .concept-error-summary p { color: inherit; }
.concept-page .concept-error-summary ul { margin: 10px 0 0; padding-left: 20px; }
.concept-page .concept-error-summary a { text-decoration: underline; }
.concept-page .concept-error-summary:focus, .concept-page .concept-success h3:focus { outline: 2px solid var(--ink); outline-offset: 5px; }
.concept-page .concept-success p + p { margin-top: 16px; }
.concept-page .concept-reference { color: var(--ink); overflow-wrap: anywhere; }
.concept-page .concept-honeypot { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
@media (max-width: 900px) {
  .concept-page .concept-request { grid-template-columns: 1fr; }
  .concept-page .concept-hero h1 { max-width: 650px; }
  .concept-page .concept-section-heading { display: block; }
  .concept-page .concept-section-heading p { margin-top: 18px; max-width: 600px; }
}
@media (max-width: 600px) {
  .concept-page .concept-section { padding: 40px 0; }
  .concept-page .concept-work, .concept-page .concept-fields { grid-template-columns: 1fr; }
  .concept-page .concept-project-copy { padding: 22px; }
  .concept-page .concept-lead { font-size: 17px; }
  .concept-page .concept-hero h1 { font-size: clamp(36px, 10vw, 48px); }
}