.tc-assistant { position: relative; background: #edf4f5; scroll-margin-top: 90px; padding-block: clamp(44px, 5vw, 72px); }
.tc-assistant-anchor { position: absolute; top: -90px; left: 0; width: 1px; height: 1px; scroll-margin-top: 0; pointer-events: none; }
.tc-assistant .heading-title p { max-width: 700px; margin-inline: auto; }
.tc-assistant-panel { max-width: 780px; margin: 2rem auto 0; padding: 2rem; background: #fff; border-radius: 16px; border: 1px solid #d1e0e4; box-shadow: 0 12px 32px rgba(14,30,45,.06); }
.tc-assistant-mode { display: inline-block; padding: .55rem .8rem; background: #edf6f2; color: #245d47; border-radius: 6px; font-size: .86rem; line-height: 1.6; }
.tc-assistant-progress { margin: 1.6rem 0 .6rem; }
.tc-assistant-progress ol { display: flex; justify-content: space-between; gap: .6rem; list-style: none; padding: 0; margin: 0 0 .9rem; }
.tc-assistant-progress li { display: flex; align-items: center; gap: .5rem; color: #536575; font-size: .85rem; }
.tc-assistant-progress li span { display: grid; place-items: center; width: 28px; height: 28px; flex-shrink: 0; border-radius: 50%; background: #edf2f5; color: #43586a; font-weight: 700; }
.tc-assistant-progress [aria-current="step"] { color: #133d50; font-weight: 700; }
.tc-assistant-progress [aria-current="step"] span { background: #143e56; color: #fff; }
.tc-assistant-progress .is-complete span { background: #d5f0e2; color: #245d47; }
.tc-assistant progress { appearance: none; width: 100%; height: 5px; display: block; border: 0; border-radius: 9px; background: #e8eff2; color: #2a9f75; }
.tc-assistant progress::-webkit-progress-bar { background: #e8eff2; border-radius: 9px; }
.tc-assistant progress::-webkit-progress-value { background: #2a9f75; border-radius: 9px; }
.tc-assistant progress::-moz-progress-bar { background: #2a9f75; border-radius: 9px; }
.tc-assistant-state { min-height: 1.5em; color: #465d6c; font-size: .86rem; margin: .8rem 0 1.3rem; }
.tc-assistant-state:empty { display: none; }
.tc-assistant h3 { color: #18394c; font-size: clamp(1.3rem,2.2vw,1.6rem); line-height: 1.4; margin: 0 0 .7rem; }
.tc-assistant h4 { font-size: 1rem; color: #245d47; font-weight: 700; }
.tc-assistant-step > p { color: #536575; line-height: 1.6; margin-bottom: 1.2rem; }
.tc-assistant-step + .tc-assistant-step { margin-top: 1.5rem; }
.tc-assistant-step[hidden] + .tc-assistant-step { margin-top: 0; }
.tc-assistant-domains { display: grid; grid-template-columns: 1fr 1fr; gap: .65rem; padding: 0; border: 0; margin: 0; min-width: 0; }
.tc-assistant-domain { cursor: pointer; margin: 0; position: relative; }
.tc-assistant-domain:last-child { grid-column: 1 / -1; }
.tc-assistant-domain input { position: absolute; top: 1rem; left: 1rem; width: 18px; height: 18px; margin: 0; accent-color: #247454; cursor: pointer; }
.tc-assistant-domain > span { display: flex; flex-direction: column; gap: .3rem; height: 100%; padding: 1rem; border: 1px solid #afc4ce; border-radius: 10px; color: #18394c; background: #fff; }
.tc-assistant-domain small { font-size: .86rem; line-height: 1.45; font-weight: 400; color: #536575; }
.tc-assistant-domain input:checked + span { border: 2px solid #247454; padding: calc(1rem - 1px); background: #eff9f4; }
.tc-assistant-domain input:checked + span::after { content: "✓"; position: absolute; right: .65rem; top: .65rem; color: #247454; font-weight: 700; }
.tc-assistant-domain strong { padding-inline: 1.7rem .9rem; font-size: .98rem; line-height: 1.4; }
.tc-assistant-domain small { padding-left: 1.7rem; }
.tc-assistant-domain input:focus-visible + span { outline: 3px solid #20764d; outline-offset: 3px; }
.tc-assistant textarea { display: block; width: 100%; min-height: 115px; border: 1px solid #8cabb7; border-radius: 8px; padding: .9rem; resize: vertical; color: #1d2c3c; background: #fff; margin: .6rem 0 1rem; line-height: 1.6; }
.tc-assistant :is(textarea,button,a,summary):focus-visible { outline: 3px solid #20764d; outline-offset: 3px; }
.tc-assistant h3:focus { outline: none; }
.tc-assistant-actions { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: .8rem; margin-top: 1.25rem; }
.tc-assistant .btn, .tc-assistant-secondary { min-height: 44px; padding: .75rem 1.1rem; border-radius: 8px; font-size: .95rem; text-align: center; }
.tc-assistant .btnprimary { background: #143e56; color: #fff; border: 1px solid #143e56; }
.tc-assistant .btnprimary:hover { background: #205572; }
.tc-assistant-secondary { display: inline-flex; align-items: center; justify-content: center; color: #174d6c; background: #fff; border: 1px solid #9eb8c5; font-weight: 600; }
.tc-assistant-summary { margin: 1.4rem 0; }
.tc-assistant-summary > div { position: relative; padding: 1rem 5.2rem 1rem 0; border-bottom: 1px solid #e0eaee; }
.tc-assistant-summary dt { color: #536575; font-size: .85rem; margin-bottom: .4rem; }
.tc-assistant-summary dd { color: #18394c; margin: 0; line-height: 1.6; white-space: pre-wrap; overflow-wrap: anywhere; }
.tc-assistant-text-button { background: transparent; color: #174d6c; border: 0; text-decoration: underline; min-height: 44px; padding: .4rem .5rem; }
.tc-assistant-summary button { position: absolute; right: 0; top: .7rem; font-size: .85rem; }
.tc-assistant-next-step { background: #eff7f4; border-radius: 9px; padding: 1rem; }
.tc-assistant-next-step p { margin-bottom: .6rem; color: #245d47; line-height: 1.6; }
.tc-assistant [data-service] { color: #174d6c; text-decoration: underline; font-weight: 700; }
.tc-assistant-copy-text { margin-top: 1.2rem; }
.tc-assistant-copy-text summary { color: #174d6c; cursor: pointer; min-height: 44px; padding-block: .7rem; }
.tc-assistant-review, .tc-assistant-privacy { font-size: .82rem; line-height: 1.6; color: #536575; margin-top: 1.5rem; margin-bottom: 0; }
.tc-assistant-privacy { border-top: 1px solid #e0eaee; padding-top: 1rem; }
.tc-assistant [hidden] { display: none !important; }
.tc-assistant-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; }
@media(max-width:575px) { .tc-assistant-panel { padding: 1.25rem; } .tc-assistant-progress li { flex-direction: column; gap: .3rem; font-size: .75rem; } .tc-assistant-domains { grid-template-columns: 1fr; } .tc-assistant-actions .btn, .tc-assistant-actions .tc-assistant-secondary { flex: 1; } .tc-assistant-summary > div { padding-right: 4.5rem; } }

.tc-assistant-example { margin: -.3rem 0 1rem; color: #536575; font-size: .88rem; }
.tc-assistant-example summary { cursor: pointer; color: #174d6c; min-height: 44px; padding-block: .65rem; }
.tc-assistant-example p { padding: .8rem 1rem; background: #f3f7f9; border-left: 3px solid #afc4ce; border-radius: 4px; line-height: 1.6; }
.tc-assistant-clarify { margin-top: 1.2rem; padding: 1rem; background: #f4f7fa; border: 1px solid #d1e0e4; border-radius: 9px; }
.tc-assistant-clarify h4 { color: #18394c; }
.tc-assistant-clarify p { color: #536575; font-size: .86rem; line-height: 1.6; }
.tc-assistant-clarify ul { padding: 0; margin: .6rem 0 0; list-style: none; }
.tc-assistant-clarify li { display: flex; align-items: center; justify-content: space-between; gap: .7rem; border-top: 1px solid #d1e0e4; color: #18394c; line-height: 1.6; padding-block: .45rem; }
.tc-assistant-clarify button { flex-shrink: 0; }

.tc-assistant-ai { margin-top: 1.7rem; padding: clamp(1rem, 3vw, 1.5rem); border: 1px solid #b8d7ca; border-radius: 14px; background: linear-gradient(135deg, #eff9f4, #f7fafb); }
.tc-assistant-ai h4 { margin-bottom: .7rem; color: #18394c; font-size: 1.25rem; }
.tc-assistant-ai h5 { margin: 1.2rem 0 .7rem; color: #18394c; font-size: 1rem; font-weight: 700; }
.tc-assistant-ai p { color: #435669; line-height: 1.6; }
.tc-assistant-ai-preview { margin: .8rem 0 1.2rem; border: 1px solid #d1e0e4; border-radius: 9px; background: #fff; }
.tc-assistant-ai-preview > div { padding: .8rem 1rem; }
.tc-assistant-ai-preview > div + div { border-top: 1px solid #e0eaee; }
.tc-assistant-ai-preview dt, .tc-assistant-ai-result dt { color: #536575; font-size: .82rem; font-weight: 700; }
.tc-assistant-ai-preview dd, .tc-assistant-ai-result dd { margin: .3rem 0 0; color: #18394c; line-height: 1.6; white-space: pre-wrap; overflow-wrap: anywhere; }
.tc-assistant-ai-consent { display: flex; align-items: flex-start; gap: .7rem; margin: 1rem 0 .6rem; color: #18394c; font-weight: 600; line-height: 1.5; cursor: pointer; }
.tc-assistant-ai-consent input { flex: 0 0 20px; width: 20px; height: 20px; margin: .1rem 0 0; accent-color: #176f52; }
.tc-assistant-ai-retention { font-size: .82rem; }
.tc-assistant-ai-retention a { color: #145d49; text-decoration: underline; }
.tc-assistant-ai [data-ai-send] { min-height: 48px; }
.tc-assistant-ai [data-ai-send]:disabled { opacity: .55; cursor: not-allowed; }
.tc-assistant-ai-status { margin: .8rem 0 0; font-size: .88rem; }
.tc-assistant-ai-status:empty { display: none; }
.tc-assistant-ai-result { margin-top: 1.2rem; padding: 1rem; border-left: 4px solid #247454; border-radius: 8px; background: #fff; }
.tc-assistant-ai-result h5 { margin-top: 0; }
.tc-assistant-ai-result h5:focus { outline: none; }
.tc-assistant-ai-result dl > div + div { margin-top: .9rem; }
.tc-assistant-ai-note { font-size: .86rem; }
@media (prefers-reduced-motion: reduce) { .tc-assistant-ai * { scroll-behavior: auto; } }

/* Contemporary visual treatment for the guided project brief. */
.tc-assistant {
    --tc-ink: #15394d;
    --tc-blue: #123f59;
    --tc-green: #247452;
    --tc-muted: #526978;
    --tc-line: #d9e5e9;
    background:
        radial-gradient(ellipse at 12% 10%, rgba(204, 231, 220, .6), transparent 32rem),
        linear-gradient(180deg, #f2f7f7 0%, #eaf2f3 100%);
    color: var(--tc-ink);
    padding-block: clamp(3.5rem, 7vw, 6.5rem);
}
.tc-assistant .heading-title { max-width: 860px; margin: 0 auto; }
.tc-assistant .heading-title > span {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    padding: .4rem .8rem;
    border: 1px solid #cfe2d9;
    border-radius: 999px;
    background: rgba(255,255,255,.68);
    color: #236447;
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .09em;
    text-transform: uppercase;
}
.tc-assistant .heading-title > span::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #328565; }
.tc-assistant .heading-title h2 { margin: .85rem 0 .5rem; color: var(--tc-ink); letter-spacing: -.035em; }
.tc-assistant .heading-title p { max-width: 660px; color: var(--tc-muted); line-height: 1.7; }
.tc-assistant-panel {
    max-width: 850px;
    margin-top: clamp(1.5rem, 4vw, 2.5rem);
    padding: clamp(1.25rem, 4vw, 2.75rem);
    border: 1px solid rgba(196, 214, 220, .9);
    border-radius: 22px;
    box-shadow: 0 24px 65px rgba(18, 53, 70, .1), 0 3px 10px rgba(18, 53, 70, .04);
}
.tc-assistant-mode { padding: .55rem .85rem; border: 1px solid #d6e9df; border-radius: 999px; font-weight: 650; }
.tc-assistant-progress { margin: 1.8rem 0 1.1rem; }
.tc-assistant-progress ol { gap: .35rem; }
.tc-assistant-progress li { gap: .55rem; color: #6a7e89; font-size: 14px; transition: color .18s ease; }
.tc-assistant-progress li span { width: 32px; height: 32px; border: 1px solid #dce6e9; background: #f4f7f8; color: #607582; }
.tc-assistant-progress [aria-current="step"] { color: var(--tc-blue); }
.tc-assistant-progress [aria-current="step"] span { background: var(--tc-blue); border-color: var(--tc-blue); box-shadow: 0 0 0 4px #e6f0f2; }
.tc-assistant progress { height: 6px; }
.tc-assistant-state { color: #425e6d; }
.tc-assistant h3 { color: var(--tc-ink); font-size: clamp(1.35rem, 2.5vw, 1.75rem); letter-spacing: -.025em; }
.tc-assistant-step > p { max-width: 680px; color: var(--tc-muted); }
.tc-assistant-domains { gap: .75rem; }
.tc-assistant-domain > span {
    min-height: 100%;
    padding: 1.1rem 1rem;
    border-color: #d5e1e5;
    border-radius: 14px;
    background: linear-gradient(145deg, #fff, #fbfdfd);
    box-shadow: 0 2px 6px rgba(18, 53, 70, .025);
    transition: border-color .18s ease, box-shadow .18s ease, background .18s ease, transform .18s ease;
}
.tc-assistant-domain:hover > span { border-color: #9bb9c4; box-shadow: 0 7px 18px rgba(18, 53, 70, .07); transform: translateY(-1px); }
.tc-assistant-domain input:checked + span { padding: calc(1.1rem - 1px) calc(1rem - 1px); border-color: var(--tc-green); background: linear-gradient(145deg, #f3faf6, #eaf6ef); box-shadow: 0 0 0 3px rgba(36,116,82,.1); }
.tc-assistant-domain input:checked + span::after { display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: #d9eee2; font-size: .8rem; }
.tc-assistant-domain strong { color: var(--tc-ink); font-size: 1rem; }
.tc-assistant-domain small { color: #607581; }
.tc-assistant textarea { min-height: 138px; margin-block: .65rem 1rem; padding: 1rem 1.05rem; border-color: #ccdade; border-radius: 13px; box-shadow: inset 0 1px 2px rgba(20,57,75,.025); font-size: 1rem; }
.tc-assistant textarea:focus { border-color: #3c8168; box-shadow: 0 0 0 4px rgba(42,126,91,.1); outline: 0; }
.tc-assistant :is(textarea, button, a, summary):focus-visible { outline-color: #247452; }
.tc-assistant-actions { margin-top: 1.6rem; }
.tc-assistant .btn, .tc-assistant-secondary { min-height: 48px; border-radius: 11px; font-weight: 650; }
.tc-assistant .btnprimary { background: var(--tc-blue); border-color: var(--tc-blue); box-shadow: 0 4px 10px rgba(18,63,89,.13); transition: background .18s ease, transform .18s ease, box-shadow .18s ease; }
.tc-assistant .btnprimary:hover { background: #205b70; box-shadow: 0 7px 16px rgba(18,63,89,.18); transform: translateY(-1px); }
.tc-assistant-secondary { border-color: #d3e0e4; color: var(--tc-blue); }
.tc-assistant-secondary:hover { background: #f4f8f9; }
.tc-assistant-example { margin-top: -.25rem; }
.tc-assistant-example summary { display: inline-flex; align-items: center; gap: .45rem; color: #1d6471; font-weight: 650; }
.tc-assistant-example summary::marker { color: #318267; }
.tc-assistant-example p { border-left-color: #4b9077; border-radius: 0 10px 10px 0; background: #f2f7f6; }
.tc-assistant-summary > div { padding-block: 1.15rem; border-color: #e5edef; }
.tc-assistant-summary dt { color: #647985; }
.tc-assistant-next-step { padding: 1.25rem; border: 1px solid #d6e9df; border-radius: 14px; background: linear-gradient(135deg, #f1f8f4, #f7faf9); }
.tc-assistant-next-step h4 { margin-top: 0; }
.tc-assistant-clarify { border-color: var(--tc-line); border-radius: 14px; background: #f7f9fa; }
.tc-assistant-ai { border-color: #c9e0d4; border-radius: 16px; }
.tc-assistant-ai-preview { overflow: hidden; border-color: #dce8e4; border-radius: 12px; }
.tc-assistant-ai-result { border-radius: 0 12px 12px 0; }
.tc-assistant-review, .tc-assistant-privacy { color: #647984; }
.tc-assistant-privacy { border-color: #e5edef; }
.tc-assistant-technical-note { margin-top: .7rem; color: #647984; font-size: .82rem; line-height: 1.6; }
.tc-assistant-technical-note summary { min-height: 44px; padding-block: .6rem; color: #526978; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
.tc-assistant-technical-note p { margin: 0 0 .6rem; }
@media (max-width: 575px) {
    .tc-assistant { padding-block: 3.25rem; }
    .tc-assistant-panel { padding: 1.1rem; border-radius: 17px; }
    .tc-assistant-progress { margin-top: 1.35rem; }
    .tc-assistant-progress ol { gap: .15rem; }
    .tc-assistant-progress li { min-width: 0; flex: 1; text-align: center; font-size: 12px; line-height: 1.25; }
    .tc-assistant-progress li span { width: 30px; height: 30px; }
    .tc-assistant-domains { gap: .6rem; }
    .tc-assistant-domain > span { min-height: 78px; padding: .9rem; }
    .tc-assistant-domain input:checked + span { padding: calc(.9rem - 1px); }
    .tc-assistant textarea { min-height: 128px; }
    .tc-assistant-actions { align-items: stretch; }
    .tc-assistant-actions .btn, .tc-assistant-actions .tc-assistant-secondary { flex: 1 1 auto; }
}
@media (max-width: 380px) {
    .tc-assistant-panel { padding: .9rem; }
    .tc-assistant-progress li span { width: 27px; height: 27px; }
    .tc-assistant-summary > div { padding-right: 4rem; }
}
@media (prefers-reduced-motion: reduce) {
    .tc-assistant *, .tc-assistant *::before, .tc-assistant *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}