.start-hero{min-height:82svh}.brief{padding:clamp(64px, 12vh, 140px) var(--pad) clamp(96px, 16vh, 180px)}.brief-form{flex-direction:column;gap:clamp(36px,6vh,64px);max-width:1180px;display:flex}.brief-set{border:0;margin:0;padding:0}.brief-label{color:var(--graphite);margin-bottom:14px;padding:0;font-size:15px;font-weight:650;display:block}.brief-chips{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;display:grid}.brief-chip{cursor:pointer;transition:background-color .35s var(--ease), transform .4s var(--ease);background:#eef0f3;border-radius:14px;flex-direction:column;gap:6px;padding:20px 20px 22px;display:flex;position:relative}.brief-chip input,.brief-pill input{opacity:0;pointer-events:none;position:absolute}:is(.brief-chip:has(input:focus-visible),.brief-pill:has(input:focus-visible)){outline:3px solid var(--ink);outline-offset:3px}.brief-chip-pin{background:var(--pin);width:18px;height:18px;transition:transform .45s var(--ease), box-shadow .45s var(--ease), background-color .35s var(--ease);border-radius:4px;margin-bottom:14px;box-shadow:inset 0 0 0 1px #0000001f}.brief-chip-name{font-size:var(--t-h3);letter-spacing:-.03em;font-weight:760;line-height:1}.brief-chip-line{color:var(--graphite);font-size:14px}.brief-chip.is-on .brief-chip-pin{background:var(--ink);transform:translate(-2px,-4px);box-shadow:3px 5px #0000002e}.brief-chip.is-on .brief-chip-line{color:var(--ink)}.brief-chip.is-on[data-practice=systems]{color:var(--paper)}.brief-chip.is-on[data-practice=systems] .brief-chip-line{color:#ffffffd9}.brief-field input,.brief-field textarea{border:0;border-bottom:1.5px solid var(--ink);width:100%;font:inherit;font-size:var(--t-h3);letter-spacing:-.015em;color:var(--ink);background:0 0;border-radius:0;outline:none;padding:10px 0 12px;font-weight:560;transition:border-color .3s}.brief-field textarea{resize:vertical;min-height:150px;line-height:1.3}.brief-field [aria-invalid=true]{border-bottom-color:#b42300}.button[disabled]{opacity:.6;cursor:progress}.brief-check:empty{display:none}.brief-field input:focus,.brief-field textarea:focus{border-bottom-color:var(--ink);box-shadow:0 2px 0 0 var(--volt)}.brief-field input::placeholder,.brief-field textarea::placeholder{color:#8b9097}.brief-row{gap:var(--gap);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.brief-when{flex-wrap:wrap;gap:10px;display:flex}.brief-pill{height:44px;box-shadow:inset 0 0 0 1.5px var(--ink);cursor:pointer;transition:background-color .3s var(--ease), color .3s var(--ease);border-radius:999px;align-items:center;padding:0 18px;font-weight:600;display:inline-flex;position:relative}.brief-pill.is-on{background:var(--ink);color:var(--paper)}.brief-send{border-top:1.5px solid var(--ink);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;padding-top:28px;display:flex}.brief-promise,.brief-error{font-size:var(--t-lede);margin:0}.brief-error{color:#b42300;font-weight:650}.brief-sent{flex-direction:column;align-items:flex-start;gap:18px;max-width:900px;display:flex}.brief-sent-h{font-size:var(--t-h1);margin:0}.brief-sent-what{font-size:var(--t-h3);letter-spacing:-.015em;max-width:40ch;margin:0;font-weight:600}.brief-sent-note{color:var(--graphite);margin:0}@media (max-width:900px){.brief-chips{grid-template-columns:repeat(2,minmax(0,1fr))}.brief-row{grid-template-columns:1fr}}.brief-promise a{color:var(--graphite);text-underline-offset:3px;font-size:.85em;text-decoration:underline}.brief-chips{gap:0 var(--gap)}.brief-chip{border-top:1.5px solid var(--ink);background:0 0;border-radius:0;padding:18px 0 20px}.brief-chip:hover{transform:none}.brief-chip.is-on{background:0 0}.brief-chip-pin{background:#e3e6ea}.brief-chip.is-on .brief-chip-pin{background:var(--pin)}.brief-chip-name{font-size:var(--t-h2);letter-spacing:-.05em;color:#878c93;transition:color .35s var(--ease);font-weight:790;font-stretch:108%;line-height:.92}.brief-chip:hover .brief-chip-name,.brief-chip.is-on .brief-chip-name,.brief-chip.is-on[data-practice=systems],.brief-chip.is-on[data-practice=systems] .brief-chip-line{color:var(--ink)}.brief-chip.is-on[data-practice=systems] .brief-chip-pin{background:var(--pin)}