/* TBA Group. White page, one typeface, large type, hairlines. Nothing else. */
:root {
  --bg: #ffffff; --ink: #0a0a0a; --gray: #6b6b6b; --line: #e4e4e2; --soft: #f6f6f4;
  --sans: 'Inter', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --max: 1320px; --gutter: clamp(20px, 5vw, 64px);
  --space: clamp(4.5rem, 11vw, 10rem);
  --ease: cubic-bezier(.2, .7, .2, 1);
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--sans); font-weight: 400; font-size: 1.0625rem; line-height: 1.6; color: var(--ink); background: var(--bg); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
svg { display: block; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1em; }
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -.035em; line-height: 1.04; text-wrap: balance; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 4px; border-radius: 2px; }
.wrap { width: min(100% - 2 * var(--gutter), var(--max)); margin-inline: auto; }
.skip { position: absolute; left: var(--gutter); top: -100px; z-index: 100; background: var(--ink); color: #fff; padding: .6rem 1rem; }
.skip:focus { top: 12px; }
.label { font-size: .8125rem; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--gray); margin: 0; }
.muted { color: var(--gray); }

/* links and buttons */
.btn { display: inline-flex; align-items: center; gap: .65em; min-height: 48px; padding: .8em 1.6em; border-radius: 999px; background: var(--ink); color: #fff; font-weight: 500; font-size: 1rem; border: 0; cursor: pointer; font-family: inherit; transition: background .2s; }
.btn:hover { background: #333; }
.btn svg, .text-link svg { width: 1.05em; height: 1.05em; transition: transform .3s var(--ease); }
.btn:hover svg, .text-link:hover svg, .row:hover .go svg { transform: translateX(4px); }
.text-link { display: inline-flex; align-items: center; gap: .5em; font-weight: 500; border-bottom: 1px solid var(--ink); padding-bottom: .2em; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 2rem; }

/* header */
.top { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .92); backdrop-filter: saturate(180%) blur(14px); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 72px; }
.mark { font-weight: 700; font-size: 1.75rem; letter-spacing: -.07em; line-height: 1; }
.nav { display: flex; align-items: center; gap: clamp(1rem, 2.4vw, 2.25rem); }
.nav a:not(.btn) { font-size: .9375rem; color: var(--gray); padding: .5rem 0; transition: color .2s; }
.nav a:not(.btn):hover, .nav a[aria-current="page"] { color: var(--ink); }
.nav .btn { min-height: 40px; padding: .5em 1.15em; font-size: .9375rem; }
.menu { display: none; }
.menu summary { list-style: none; cursor: pointer; width: 44px; height: 44px; display: grid; place-items: center; margin-right: -10px; }
.menu summary::-webkit-details-marker { display: none; }
.menu summary svg { width: 24px; height: 24px; }
@media (max-width: 860px) {
  .nav { display: none; }
  .menu { display: block; }
  .menu[open] summary .burger, .menu:not([open]) summary .cross { display: none; }
  .menu-list { position: absolute; left: 0; right: 0; top: 100%; background: #fff; border-bottom: 1px solid var(--line); padding: .5rem var(--gutter) 1.75rem; display: grid; }
  .menu-list a:not(.btn) { padding: 1rem 0; font-size: 1.375rem; font-weight: 500; letter-spacing: -.02em; border-bottom: 1px solid var(--line); }
  .menu-list .btn { margin-top: 1.5rem; justify-content: center; }
}

/* hero */
.hero { padding: clamp(5rem, 15vw, 12rem) 0 var(--space); }
.hero .label { margin-bottom: clamp(1.5rem, 3vw, 2.5rem); }
.hero h1 { font-size: clamp(2.9rem, 9.4vw, 8.5rem); letter-spacing: -.05em; line-height: .98; max-width: 15ch; }
.hero .below { display: grid; grid-template-columns: repeat(12, 1fr); gap: 2rem; margin-top: clamp(2.5rem, 6vw, 5rem); align-items: end; }
.hero .lede { grid-column: 1 / span 7; font-size: clamp(1.15rem, 1.7vw, 1.5rem); line-height: 1.45; letter-spacing: -.01em; margin: 0; max-width: 36em; }
.hero .actions { grid-column: 9 / -1; justify-content: flex-end; }
@media (max-width: 860px) { .hero .below { display: block; } .hero .actions { justify-content: flex-start; margin-top: 2rem; } }

/* sections: a small label at the left, the content at the right */
.section { padding: var(--space) 0; border-top: 1px solid var(--line); }
.cols { display: grid; grid-template-columns: repeat(12, 1fr); gap: 1.5rem 2rem; }
.cols > .label { grid-column: 1 / span 3; padding-top: .5rem; }
.cols > .content { grid-column: 4 / -1; min-width: 0; }
@media (max-width: 860px) { .cols { display: block; } .cols > .label { margin-bottom: 1.75rem; } }
.statement { font-size: clamp(1.9rem, 4.4vw, 4rem); letter-spacing: -.04em; line-height: 1.06; max-width: 18ch; }
.statement.wide { max-width: none; }
.statement.wide span { white-space: nowrap; }
.body-l { font-size: clamp(1.1rem, 1.5vw, 1.35rem); line-height: 1.5; max-width: 38em; margin: 1.75rem 0 2rem; }

/* the list of services */
.rows { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--ink); }
.row a { display: grid; grid-template-columns: 3.5rem 1fr auto; gap: .5rem 1.5rem; align-items: baseline; padding: clamp(1.5rem, 3vw, 2.5rem) 0; border-bottom: 1px solid var(--line); }
.row .n { font-size: .875rem; color: var(--gray); font-variant-numeric: tabular-nums; }
.row h2 { font-size: clamp(1.6rem, 3.6vw, 3.25rem); font-weight: 500; letter-spacing: -.04em; transition: transform .35s var(--ease); }
.row a:hover h2 { transform: translateX(10px); }
.row p { margin: .5rem 0 0; color: var(--gray); max-width: 44em; }
.row .go { align-self: center; }
.row .go svg { width: 1.5rem; height: 1.5rem; transition: transform .3s var(--ease); }
@media (max-width: 640px) { .row a { grid-template-columns: 2.25rem 1fr; } .row .go { display: none; } }

/* figures */
.figures { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.figures b { display: block; font-size: clamp(3.5rem, 9vw, 8rem); font-weight: 500; letter-spacing: -.06em; line-height: 1; }
.figures span { display: block; margin-top: .75rem; color: var(--gray); }
@media (max-width: 640px) { .figures { grid-template-columns: 1fr; gap: 2.5rem; } }

/* inner page heads */
.page-head { padding: clamp(4rem, 11vw, 9rem) 0 clamp(3rem, 7vw, 6rem); }
.page-head .label { margin-bottom: clamp(1.25rem, 2.5vw, 2rem); }
.page-head h1 { font-size: clamp(2.5rem, 7.6vw, 6.5rem); letter-spacing: -.05em; line-height: 1; max-width: 13ch; }
.page-head .lede { font-size: clamp(1.15rem, 1.7vw, 1.5rem); line-height: 1.45; max-width: 34em; margin: clamp(1.75rem, 4vw, 3rem) 0 0; }
.jump { display: flex; flex-wrap: wrap; gap: .75rem 2rem; margin: 0; padding: 1.25rem 0; list-style: none; border-top: 1px solid var(--line); }
.jump a { color: var(--gray); font-size: .9375rem; transition: color .2s; }
.jump a:hover { color: var(--ink); }
.jump .n { margin-right: .5rem; font-variant-numeric: tabular-nums; }

/* a service, a division */
.block { padding: clamp(3.5rem, 8vw, 7rem) 0; border-top: 1px solid var(--line); scroll-margin-top: 80px; }
.block h2 { font-size: clamp(2rem, 4.6vw, 4rem); letter-spacing: -.045em; }
.block .short { font-size: clamp(1.15rem, 1.8vw, 1.5rem); color: var(--gray); margin: .9rem 0 0; letter-spacing: -.01em; }
.block .text { max-width: 40em; margin: 2rem 0 0; font-size: 1.125rem; }
.pair { display: grid; grid-template-columns: 1.4fr 1fr; gap: 2.5rem 4rem; margin-top: clamp(2rem, 4vw, 3.5rem); }
@media (max-width: 860px) { .pair { grid-template-columns: 1fr; } }
.pair h3 { font-size: .8125rem; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--gray); margin-bottom: 1rem; line-height: 1.4; }
.lines { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.lines li { padding: .9rem 0; border-bottom: 1px solid var(--line); }
.who { margin: 0 0 2rem; font-size: 1.125rem; }

/* contact */
.big-links { display: grid; gap: 2rem; margin: 0; }
.big-links dt { font-size: .8125rem; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--gray); }
.big-links dd { margin: .4rem 0 0; font-size: clamp(1.4rem, 2.6vw, 2.25rem); font-weight: 500; letter-spacing: -.03em; line-height: 1.15; overflow-wrap: anywhere; }
.big-links a { border-bottom: 1px solid transparent; transition: border-color .2s; }
.big-links a:hover { border-bottom-color: var(--ink); }
.two { display: grid; grid-template-columns: 1fr 1.2fr; gap: 3rem clamp(2rem, 6vw, 6rem); }
@media (max-width: 860px) { .two { grid-template-columns: 1fr; } }

/* forms */
form { max-width: 52rem; }
fieldset { border: 0; padding: 0; margin: 0 0 3rem; min-width: 0; }
legend { padding: 0; margin-bottom: 1.75rem; font-size: clamp(1.4rem, 2.4vw, 2rem); font-weight: 500; letter-spacing: -.03em; }
.field { margin-bottom: 1.75rem; }
.field label { display: block; font-size: .875rem; color: var(--gray); margin-bottom: .35rem; }
.field label small { font-size: inherit; }
input:not([type="checkbox"]), select, textarea { font: inherit; color: var(--ink); background: transparent; width: 100%; min-height: 48px; padding: .55rem 0; border: 0; border-bottom: 1px solid #8f8f8f; border-radius: 0; transition: border-color .2s; -webkit-appearance: none; appearance: none; }
select { background: url(../img/chevron.svg) no-repeat right center / 1.25rem; padding-right: 1.75rem; }
.sr-legend { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
textarea { min-height: 6.5rem; resize: vertical; }
input:not([type="checkbox"]):focus, select:focus, textarea:focus { outline: 0; border-bottom-color: var(--ink); box-shadow: 0 1px 0 0 var(--ink); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 2.5rem; }
@media (max-width: 640px) { .grid-2 { grid-template-columns: 1fr; } }
.checks { display: grid; gap: .9rem; }
.checks label { display: flex; align-items: center; gap: .75rem; }
.checks input { width: 20px; height: 20px; accent-color: var(--ink); margin: 0; }
.note { font-size: .875rem; color: var(--gray); margin: 1.25rem 0 0; }
.more { border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); margin: 0 0 3rem; }
.more summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.5rem 0; font-size: clamp(1.4rem, 2.4vw, 2rem); font-weight: 500; letter-spacing: -.03em; }
.more summary::-webkit-details-marker { display: none; }
.more summary svg { width: 1.5rem; height: 1.5rem; flex: none; transition: transform .3s var(--ease); }
.more[open] summary svg { transform: rotate(45deg); }
.more .hint { color: var(--gray); margin: 0 0 2.5rem; max-width: 40em; }
.more fieldset legend { font-size: 1.125rem; letter-spacing: -.01em; }

/* footer */
.foot { border-top: 1px solid var(--line); padding: clamp(3rem, 6vw, 5rem) 0 2rem; font-size: .9375rem; }
.foot .grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 2.5rem 2rem; }
@media (max-width: 760px) { .foot .grid { grid-template-columns: 1fr; } }
.foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .55rem; }
.foot a, .foot p { color: var(--gray); }
.foot a:hover { color: var(--ink); }
.foot .mark { color: var(--ink); display: inline-block; margin-bottom: 1rem; }
.foot .bigmark { margin: clamp(3rem, 7vw, 6rem) 0 0; font-size: clamp(7rem, 31vw, 27rem); font-weight: 700; letter-spacing: -.085em; line-height: .78; color: var(--ink); user-select: none; }
.foot .legal { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem 2rem; margin-top: clamp(1.5rem, 3vw, 2.5rem); padding-top: 1.25rem; border-top: 1px solid var(--line); color: var(--gray); font-size: .8125rem; }

/* arrival */
.js [data-reveal] { opacity: 0; transform: translateY(14px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js [data-reveal].is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js [data-reveal] { opacity: 1; transform: none; transition: none; }
  .btn svg, .text-link svg, .row h2, .row .go svg { transition: none; }
}