/* Avid Practice exemplar — shared design system (round 2).
   Grounding: brand colors #038899/#e7a614 from the Branding config; all content verbatim-or-derived. */
:root{
  --ink:        oklch(24% 0.045 210);
  --ink-soft:   oklch(38% 0.045 210);
  --teal:       oklch(58% 0.10 205);
  --teal-deep:  oklch(42% 0.085 207);
  --teal-mist:  oklch(93% 0.02 200);
  --gold:       oklch(76% 0.145 80);
  --gold-deep:  oklch(66% 0.13 75);
  --paper:      oklch(97.5% 0.008 95);
  --paper-warm: oklch(95.5% 0.014 90);
  --line:       oklch(86% 0.02 205);
  --serif: "Fraunces", Georgia, serif;
  --sans: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --measure: 62ch;
  --gutter: clamp(20px, 5vw, 72px);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);line-height:1.6;font-size:16.5px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.wrap{max-width:1240px;margin-inline:auto;padding-inline:var(--gutter)}
.eyebrow{font:600 12px/1 var(--sans);letter-spacing:.22em;text-transform:uppercase;color:var(--teal)}
.eyebrow::before{content:"";display:inline-block;width:26px;height:2px;background:var(--gold);margin-right:12px;vertical-align:middle}
h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.06;text-wrap:balance}
.btn{display:inline-block;font:600 14px/1 var(--sans);letter-spacing:.04em;padding:17px 30px;border-radius:2px;transition:transform .25s ease, background .25s ease}
.btn-solid{background:var(--teal);color:#fdfdfb}
.btn-solid:hover{background:var(--teal-deep);transform:translateY(-2px)}
.btn-ghost{border:1.5px solid var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal);transform:translateY(-2px)}
.btn-gold{background:var(--gold);color:var(--ink)}
.btn-gold:hover{background:var(--gold-deep)}
/* scroll progress hairline */
#progress{position:fixed;top:0;left:0;height:2.5px;width:0;background:linear-gradient(90deg,var(--teal),var(--gold));z-index:90}
/* grain on dark bands */
.grain{position:relative;isolation:isolate}
.grain::after{content:"";position:absolute;inset:0;z-index:-1;opacity:.5;background-image:radial-gradient(oklch(100% 0 0 / .022) 1px, transparent 1.4px);background-size:5px 5px}
/* duotone photo treatment — one grade across the client's mixed photos */
.duo{position:relative;overflow:hidden}
.duo img{filter:grayscale(.35) sepia(.14) hue-rotate(150deg) saturate(1.15) contrast(1.06)}
.duo::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg, oklch(58% 0.10 205 / .16), oklch(76% 0.145 80 / .10));mix-blend-mode:soft-light;pointer-events:none}
/* ---------- top bar ---------- */
.topbar{background:var(--ink);color:oklch(88% 0.015 205);font-size:12.5px}
.topbar .wrap{display:flex;justify-content:space-between;gap:16px;padding-block:9px}
.topbar a:hover{color:var(--gold)}
.topbar .links{display:flex;gap:22px}
/* ---------- nav ---------- */
header.site{position:sticky;top:0;z-index:50;background:color-mix(in oklab, var(--paper) 92%, transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;padding-block:15px;gap:18px}
.nav-links{display:flex;gap:26px;font:500 14.5px/1 var(--sans);flex-wrap:wrap}
.nav-links a{padding-block:6px;border-bottom:2px solid transparent}
.nav-links a:hover, .nav-links a[aria-current="page"]{border-color:var(--gold)}
.logo img{height:42px;width:auto}
/* ---------- breadcrumbs ---------- */
.crumbs{font:500 12.5px/1 var(--sans);letter-spacing:.06em;color:var(--ink-soft);padding-block:18px 0}
.crumbs a:hover{color:var(--teal)}
.crumbs span{color:var(--gold-deep);padding-inline:8px}
/* ---------- hero (home) ---------- */
.hero{background:linear-gradient(180deg, var(--paper) 0%, var(--paper-warm) 100%);overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(28px,4vw,64px);align-items:center;padding-block:clamp(56px,9vh,110px)}
.hero h1{font-size:clamp(42px,5.6vw,76px);letter-spacing:-0.015em}
.hero h1 em{font-style:italic;color:var(--teal)}
.hero p.lede{max-width:var(--measure);margin-top:22px;font-size:18.5px;color:var(--ink-soft)}
.hero .cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;align-items:center}
.hero .tel{font:600 15px/1 var(--sans);color:var(--ink)}
.hero .tel span{color:var(--teal)}
.hero-media{position:relative}
.hero-media .plate{aspect-ratio:1024/791;border-radius:3px;overflow:hidden;box-shadow:0 30px 60px -30px oklch(30% 0.05 210 / .45);will-change:transform}
.hero-media .plate img{width:100%;height:100%;object-fit:cover}
.hero-media::before{content:"";position:absolute;inset:auto -18px -18px auto;width:58%;height:58%;border:2px solid var(--gold);border-radius:3px;z-index:-1}
.hero-media .badge{position:absolute;left:-14px;bottom:26px;background:var(--ink);color:var(--paper);padding:14px 20px;border-radius:2px;font:500 13px/1.5 var(--sans)}
.hero-media .badge strong{display:block;font:600 26px/1.1 var(--serif);color:var(--gold)}
/* ---------- interior page header ---------- */
.page-head{background:linear-gradient(180deg, var(--paper) 0%, var(--paper-warm) 100%);border-bottom:1px solid var(--line)}
.page-head .inner{padding-block:clamp(36px,6vh,72px)}
.page-head h1{font-size:clamp(34px,4.4vw,58px);max-width:22ch}
.page-head h1 em{font-style:italic;color:var(--teal)}
.page-head .lede{max-width:var(--measure);margin-top:18px;font-size:18px;color:var(--ink-soft)}
/* ---------- pillars / proof strips ---------- */
.pillars{border-block:1px solid var(--line);background:var(--paper)}
.pillars .wrap{display:grid;grid-template-columns:repeat(4,1fr);padding-block:0}
.pillars .cell{padding:26px 22px;border-left:1px solid var(--line);display:flex;align-items:baseline;gap:12px}
.pillars .cell:first-child{border-left:0;padding-left:0}
.pillars .n{font:380 15px/1 var(--serif);font-style:italic;color:var(--gold-deep)}
.pillars .t{font:600 15px/1.2 var(--sans);letter-spacing:.06em;text-transform:uppercase}
.proof{border-bottom:1px solid var(--line)}
.proof .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding-block:0}
.proof .cell{padding:30px 24px;border-left:1px solid var(--line)}
.proof .cell:first-child{border-left:0;padding-left:0}
.proof strong{display:block;font:500 24px/1.2 var(--serif);color:var(--teal-deep)}
.proof span{font-size:13.5px;color:var(--ink-soft)}
/* ---------- marquee ribbon (real expertise list) ---------- */
.marquee{border-block:1px solid var(--line);background:var(--paper-warm);overflow:hidden;padding-block:14px}
.marquee .track{display:flex;gap:44px;width:max-content;animation:marq 46s linear infinite}
.marquee .track span{font:500 13px/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft);white-space:nowrap}
.marquee .track span::after{content:"·";color:var(--gold-deep);margin-left:44px}
@keyframes marq{to{transform:translateX(-50%)}}
/* ---------- split sections ---------- */
.split .wrap{padding-block:clamp(64px,10vh,120px);display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:clamp(28px,4vw,72px)}
.split h2{font-size:clamp(30px,3.4vw,46px)}
.split h2 mark{background:linear-gradient(transparent 68%, oklch(76% 0.145 80 / .35) 0);color:inherit}
.split p{max-width:var(--measure);color:var(--ink-soft);font-size:17px;margin-top:16px}
/* ---------- services ledger (dark) ---------- */
.services{background:var(--ink);color:oklch(93% 0.01 200)}
.services .head{display:flex;justify-content:space-between;align-items:end;gap:24px;padding-block:clamp(56px,8vh,88px) 34px;border-bottom:1px solid oklch(34% 0.04 210)}
.services .head h2{font-size:clamp(32px,3.8vw,52px);color:var(--paper)}
.services .head .eyebrow{color:var(--gold)}
.svc{display:grid;grid-template-columns:56px minmax(0,4fr) minmax(0,5fr) 220px;gap:clamp(18px,3vw,44px);align-items:center;padding-block:34px;border-bottom:1px solid oklch(34% 0.04 210)}
.svc .idx{font:380 20px/1 var(--serif);font-style:italic;color:var(--gold)}
.svc h3{font-size:clamp(22px,2.3vw,30px);color:var(--paper)}
.svc h3 a:hover{color:var(--gold)}
.svc p{font-size:15.5px;color:oklch(78% 0.02 205);max-width:52ch}
.svc .go{font:600 12.5px/1 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--gold);margin-top:12px;display:inline-block}
.svc .go:hover{color:var(--paper)}
.svc .thumb{aspect-ratio:488/456;border-radius:3px;overflow:hidden;justify-self:end;width:100%;max-width:220px}
.svc .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.svc:hover .thumb img{transform:scale(1.045)}
.services .tail{padding-block:26px 64px;font-size:14px;color:oklch(70% 0.02 205)}
/* ---------- formula ---------- */
.formula{background:var(--paper-warm);border-bottom:1px solid var(--line)}
.formula .wrap{padding-block:clamp(64px,10vh,120px);text-align:center}
.formula .expr{font-family:var(--serif);font-size:clamp(28px,4.6vw,58px);line-height:1.15;letter-spacing:-.01em}
.formula .expr .op{color:var(--gold-deep);font-style:italic;padding-inline:.35em}
.formula .expr .res{color:var(--teal)}
.formula .defs{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,3vw,44px);margin-top:clamp(40px,6vh,64px);text-align:left}
.formula .defs h3{font-size:20px;margin-bottom:10px}
.formula .defs h3::after{content:"";display:block;width:34px;height:2px;background:var(--gold);margin-top:10px}
.formula .defs p{font-size:15px;color:var(--ink-soft)}
/* ---------- oath band ---------- */
.oath{background:var(--ink);color:oklch(90% 0.012 205)}
.oath .wrap{padding-block:clamp(64px,10vh,120px);display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(28px,4vw,72px)}
.oath h2{color:var(--paper);font-size:clamp(30px,3.6vw,48px)}
.oath h2 em{font-style:italic;color:var(--gold)}
.oath p{color:oklch(78% 0.02 205);font-size:16px;margin-top:16px;max-width:56ch}
.oath .cards{display:grid;gap:16px}
.oath .card{border:1px solid oklch(34% 0.04 210);border-radius:3px;padding:24px 26px;transition:border-color .3s ease, transform .3s ease}
.oath .card:hover{border-color:var(--gold);transform:translateX(6px)}
.oath .card h3{font-size:20px;color:var(--paper)}
.oath .card p{font-size:14.5px;margin-top:8px}
.oath .card .go{font:600 12.5px/1 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--gold);margin-top:14px;display:inline-block}
/* ---------- industries index ---------- */
.industries .wrap{padding-block:clamp(64px,9vh,110px);display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:clamp(28px,4vw,72px)}
.industries h2{font-size:clamp(30px,3.4vw,46px)}
.industries .note{margin-top:18px;color:var(--ink-soft);font-size:15.5px;max-width:38ch}
.ind-list{columns:2;gap:clamp(24px,3vw,48px)}
.ind-list li{break-inside:avoid;border-bottom:1px solid var(--line)}
.ind-list li a, .ind-list li .plain{display:flex;justify-content:space-between;align-items:center;padding-block:14px;font:500 17px/1.3 var(--sans)}
.ind-list li a::after{content:"→";font-size:14px;color:var(--gold-deep);opacity:0;transform:translateX(-6px);transition:.25s ease}
.ind-list li a:hover::after{opacity:1;transform:none}
.ind-list li a:hover{color:var(--teal)}
.ind-list li .plain{color:var(--ink-soft)}
/* ---------- resource cards ---------- */
.resources-band{background:var(--teal-mist)}
.resources-band .wrap{padding-block:clamp(64px,9vh,110px)}
.res-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:34px}
.res-head h2{font-size:clamp(30px,3.4vw,46px)}
.res-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,2.5vw,32px)}
.res-card{background:var(--paper);border:1px solid var(--line);border-radius:3px;padding:26px 26px 22px;display:flex;flex-direction:column;gap:12px;transition:transform .3s ease, box-shadow .3s ease}
.res-card:hover{transform:translateY(-5px);box-shadow:0 22px 40px -26px oklch(30% 0.05 210 / .5)}
.res-card .kind{font:600 11px/1 var(--sans);letter-spacing:.18em;text-transform:uppercase;color:var(--gold-deep)}
.res-card h3{font-size:19px;line-height:1.25}
.res-card p{font-size:14px;color:var(--ink-soft);flex:1}
.res-card .go{font:600 12.5px/1 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--teal)}
/* ---------- quote ---------- */
.quote{background:var(--teal-mist)}
.quote .wrap{padding-block:clamp(64px,10vh,120px);max-width:980px;text-align:center}
.quote blockquote{font:380 clamp(24px,3vw,38px)/1.35 var(--serif);font-style:italic;color:var(--ink)}
.quote blockquote::before{content:"“";display:block;font:500 80px/0.6 var(--serif);color:var(--gold);margin-bottom:18px}
.quote figcaption{margin-top:26px;font:600 13px/1.5 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--teal-deep)}
/* ---------- pain CTA ---------- */
.pain .wrap{padding-block:clamp(64px,10vh,120px);display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:clamp(28px,4vw,72px);align-items:start}
.pain h2{font-size:clamp(30px,3.6vw,48px)}
.pain h2 em{font-style:italic;color:var(--teal)}
.pain .qs{display:grid;gap:0;border-top:1px solid var(--line)}
.pain .qs li{border-bottom:1px solid var(--line);padding-block:18px;display:flex;gap:16px;font-size:16.5px}
.pain .qs .n{font:380 15px/1.6 var(--serif);font-style:italic;color:var(--gold-deep);flex:0 0 24px}
.cta-card{background:var(--ink);color:var(--paper);border-radius:3px;padding:clamp(28px,3.4vw,44px)}
.cta-card h3{font-size:24px;color:var(--paper)}
.cta-card p{margin-top:12px;font-size:15px;color:oklch(80% 0.02 205)}
.cta-card .btn{margin-top:22px}
.cta-card .tel{display:block;margin-top:18px;font:600 15px/1 var(--sans);color:oklch(88% 0.015 205)}
/* ---------- article layout ---------- */
.article-grid{display:grid;grid-template-columns:minmax(0,3fr) minmax(0,8fr);gap:clamp(28px,4vw,72px);padding-block:clamp(48px,7vh,88px)}
.rail{position:sticky;top:96px;align-self:start;border-left:2px solid var(--line);padding-left:20px;display:grid;gap:12px;font:500 13.5px/1.4 var(--sans)}
.rail a{color:var(--ink-soft)}
.rail a:hover{color:var(--teal)}
.rail .rail-label{font:600 11px/1 var(--sans);letter-spacing:.18em;text-transform:uppercase;color:var(--gold-deep)}
.prose{max-width:var(--measure)}
.prose h2{font-size:clamp(24px,2.6vw,34px);margin-top:44px;scroll-margin-top:110px}
.prose h2:first-child{margin-top:0}
.prose p{color:var(--ink-soft);font-size:17px;margin-top:16px}
.prose ul{margin-top:14px;display:grid;gap:10px}
.prose ul li{padding-left:22px;position:relative;color:var(--ink-soft);font-size:16.5px}
.prose ul li::before{content:"";position:absolute;left:0;top:.62em;width:10px;height:2px;background:var(--gold)}
.prose .lede-p{font-size:19px;color:var(--ink)}
.code-block{border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:3px;background:var(--paper-warm);padding:26px 28px;margin-top:24px}
.code-block h3{font-size:17px;letter-spacing:.04em}
.code-block p{font-size:15px;margin-top:10px}
.code-block .attr{font:500 12.5px/1.5 var(--sans);letter-spacing:.06em;color:var(--gold-deep);margin-top:14px}
/* ---------- footer ---------- */
footer{background:var(--ink);color:oklch(78% 0.02 205);font-size:14px}
footer .wrap{padding-block:clamp(48px,7vh,72px) 28px;display:grid;grid-template-columns:minmax(0,4fr) repeat(3,minmax(0,2.6fr));gap:clamp(24px,3vw,56px)}
footer h4{font:600 12px/1 var(--sans);letter-spacing:.18em;text-transform:uppercase;color:var(--gold);margin-bottom:16px}
footer li{padding-block:5px}
footer a:hover{color:var(--paper)}
footer .brand img{height:40px;width:auto;margin-bottom:18px}
footer .legal{border-top:1px solid oklch(34% 0.04 210);margin-top:20px}
footer .legal .wrap{display:flex;justify-content:space-between;gap:16px;padding-block:18px;font-size:12.5px;color:oklch(62% 0.02 205)}
/* ---------- reveal motion (enhancement only) ---------- */
html.js .rv{opacity:0;transform:translateY(22px);transition:opacity .7s ease, transform .7s ease}
html.js .rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  html.js .rv{opacity:1;transform:none;transition:none}
  .svc .thumb img,.btn,.res-card,.oath .card{transition:none}
  .marquee .track{animation:none;flex-wrap:wrap;width:auto}
  html{scroll-behavior:auto}
  .hero-media .plate{transform:none !important}
}
/* ---------- responsive ---------- */
@media (max-width: 980px){
  .hero .wrap,.split .wrap,.industries .wrap,.pain .wrap,.oath .wrap{grid-template-columns:1fr}
  .article-grid{grid-template-columns:1fr}
  .rail{position:static;border-left:0;padding-left:0;grid-auto-flow:row}
  .svc{grid-template-columns:32px 1fr;grid-template-rows:auto auto auto}
  .svc h3{grid-column:2}
  .svc p{grid-column:2;max-width:none}
  .svc .thumb{grid-column:1/-1;max-width:100%;justify-self:stretch}
  .pillars .wrap,.proof .wrap{grid-template-columns:1fr 1fr}
  .pillars .cell,.proof .cell{border-left:0;padding-left:0}
  .formula .defs,.res-grid{grid-template-columns:1fr}
  footer .wrap{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
  .ind-list{columns:1}
}