/* ============================================================
   CGS Carbon — global design system
   Shared by every page: tokens, reset, layout, type, buttons,
   header, footer, and reusable section components.
   Brand family: Birchtech (parent) — teal #1D7686 on white,
   Inter display type with tight tracking, charcoal footer.
   ============================================================ */
:root{
  --teal:#1D7686;        /* primary brand teal (Birchtech) */
  --teal-deep:#06728D;   /* links, secondary actions */
  --teal-dark:#155C69;   /* hover / pressed */
  --teal-ink:#0A2E36;    /* deepest teal, duotone shadow */
  --teal-pale:#DFF0F3;   /* tint background */
  --ink:#212121;         /* headings */
  --body:#2A2A2A;        /* body copy */
  --slate:#5E7480;       /* secondary copy */
  --silver:#9FADB0;      /* tertiary / on-dark secondary */
  --line:#E3E9EA;
  --soft:#F4F4F4;
  --tint:#F5F8F8;
  --dark:#242424;        /* footer */
  --dark-2:#2C3336;
  --white:#FFFFFF;
  --maxw:1240px;
  --gut:32px;
  --r:4px;               /* Birchtech uses restrained radii */
  --r-lg:8px;
  --shadow:0 1px 2px rgba(33,33,33,.04),0 12px 34px -18px rgba(33,33,33,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;overflow-x:hidden;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:17px;line-height:1.7;color:var(--body);background:var(--white);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;line-height:1.08;
  letter-spacing:-.055em;text-wrap:balance}
h1{font-size:clamp(2.5rem,4.6vw,3.9rem);letter-spacing:-.062em}
h2{font-size:clamp(2rem,3.6vw,3rem);letter-spacing:-.062em}
h3{font-size:1.3rem;letter-spacing:-.03em;line-height:1.25}
h4{font-size:1.02rem;letter-spacing:-.02em}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
a{color:var(--teal-deep);text-decoration:none}
a:hover{text-decoration:underline}
img,svg,video{max-width:100%;display:block}
ul,ol{margin:0 0 1.1em;padding-left:1.15em}
li{margin-bottom:.5em}
strong{color:var(--ink);font-weight:600}
hr{border:0;border-top:1px solid var(--line);margin:0}
::selection{background:var(--teal);color:#fff}
:focus-visible{outline:3px solid var(--teal-deep);outline-offset:3px;border-radius:2px}
[id]{scroll-margin-top:118px}

/* ---------- layout ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gut)}
.wrap-narrow{max-width:820px;margin:0 auto;padding:0 var(--gut)}
section{padding:104px 0}
section.tight{padding:72px 0}
.bg-soft{background:var(--soft)}
.bg-tint{background:var(--tint)}
.bg-dark{background:var(--dark);color:var(--silver)}
.bg-dark h1,.bg-dark h2,.bg-dark h3,.bg-dark h4{color:#fff}
.bg-dark a:not(.btn){color:#7FC5D3}
.grid{display:grid;gap:28px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.split.wide-left{grid-template-columns:1.15fr .85fr}
.split.wide-right{grid-template-columns:.85fr 1.15fr}
.stack-16>*+*{margin-top:16px}
.stack-24>*+*{margin-top:24px}
.stack-32>*+*{margin-top:32px}

/* ---------- type helpers ---------- */
.eyebrow{font-size:.75rem;font-weight:600;letter-spacing:.185em;text-transform:uppercase;
  color:var(--teal);margin:0 0 18px}
.bg-dark .eyebrow{color:#7FC5D3}
.lead{font-size:clamp(1.08rem,1.5vw,1.28rem);line-height:1.6;color:var(--slate)}
.bg-dark .lead{color:var(--silver)}
.measure{max-width:62ch}
.section-head{max-width:760px;margin-bottom:52px}
.section-head .lead{margin-top:20px}
.tone{color:var(--teal)}
.small{font-size:.9rem}
.note{font-size:.85rem;color:var(--slate);line-height:1.6}
.center{text-align:center}
.center .section-head{margin-left:auto;margin-right:auto}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:12px;font-weight:600;font-size:.97rem;
  letter-spacing:-.01em;padding:15px 24px;border-radius:var(--r);border:1.5px solid transparent;
  cursor:pointer;transition:background .18s var(--ease),color .18s var(--ease),
  border-color .18s var(--ease),transform .18s var(--ease);text-decoration:none;font-family:inherit}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn .ico{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;
  background:rgba(255,255,255,.18);flex:none;transition:transform .18s var(--ease)}
.btn:hover .ico{transform:translateX(3px)}
.btn .ico svg{width:12px;height:12px;stroke:currentColor;stroke-width:2.2;fill:none}
.btn-primary{background:var(--teal);color:#fff}
.btn-primary:hover{background:var(--teal-dark)}
.btn-outline{border-color:#C4CDCF;color:var(--ink);background:transparent}
.btn-outline .ico{background:rgba(29,118,134,.12);color:var(--teal)}
.btn-outline:hover{border-color:var(--teal);color:var(--teal-dark)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light .ico{background:rgba(29,118,134,.14);color:var(--teal)}
.btn-ghost-light{border-color:rgba(255,255,255,.4);color:#fff}
.btn-ghost-light .ico{background:rgba(255,255,255,.16)}
.btn-ghost-light:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.arrow-link{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:.94rem;
  color:var(--teal-deep);letter-spacing:-.01em}
.arrow-link svg{width:15px;height:15px;stroke:currentColor;stroke-width:2.2;fill:none;
  transition:transform .18s var(--ease)}
.arrow-link:hover{text-decoration:none;color:var(--teal-dark)}
.arrow-link:hover svg{transform:translateX(4px)}

/* ---------- pills / tags ---------- */
.pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;padding:0;list-style:none}
.pill{font-size:.7rem;font-weight:600;letter-spacing:.13em;text-transform:uppercase;
  padding:8px 14px;border:1px solid rgba(255,255,255,.55);border-radius:2px;color:#fff;margin:0}
.pill-ink{border-color:#C4CDCF;color:var(--slate)}

/* ---------- skip link ---------- */
.skip{position:absolute;left:0;top:0;z-index:999;background:var(--teal);color:#fff;
  padding:14px 22px;font-weight:600;border-radius:0 0 var(--r) 0;
  transform:translateY(-120%);transition:transform .15s var(--ease)}
.skip:focus{transform:none}

/* ---------- header ---------- */
.topbar{background:var(--dark);color:var(--silver);font-size:.79rem;letter-spacing:.01em}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:20px;
  min-height:38px;padding-top:8px;padding-bottom:8px}
.topbar strong{color:#fff;font-weight:600}
.topbar a{color:#7FC5D3}
.site-header{position:sticky;top:0;z-index:120;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.hdr{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:82px}
.brand{display:flex;align-items:center;gap:13px;text-decoration:none;flex:none}
.brand:hover{text-decoration:none}
.brand img,.brand svg{width:42px;height:42px}
.brand-txt{display:flex;flex-direction:column;line-height:1}
.brand-name{font-size:1.3rem;font-weight:700;color:var(--ink);letter-spacing:-.045em}
.brand-name span{font-weight:400;color:var(--teal)}
.brand-sub{font-size:.56rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;
  color:var(--slate);margin-top:5px}
.nav{display:flex;align-items:center;gap:6px}
.nav>ul{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.nav>ul>li{margin:0;position:relative}
.navlink{display:inline-flex;align-items:center;gap:6px;padding:11px 14px;border-radius:var(--r);
  color:var(--ink);font-size:.96rem;font-weight:500;letter-spacing:-.015em;background:none;
  border:0;font-family:inherit;cursor:pointer}
.navlink:hover{text-decoration:none;color:var(--teal-dark);background:var(--tint)}
.navlink[aria-current="page"],.navlink.is-active{color:var(--teal);font-weight:600}
.navlink .chev{width:11px;height:11px;stroke:currentColor;stroke-width:2.4;fill:none;
  transition:transform .2s var(--ease)}
.navlink[aria-expanded="true"] .chev{transform:rotate(180deg)}
.mega{position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%) translateY(-6px);
  min-width:330px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow);padding:10px;list-style:none;margin:0;opacity:0;visibility:hidden;
  transition:opacity .18s var(--ease),transform .18s var(--ease),visibility .18s}
.nav li.open .mega{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.mega li{margin:0}
.mega a{display:block;padding:13px 15px;border-radius:var(--r);color:var(--ink);text-decoration:none}
.mega a:hover{background:var(--tint);text-decoration:none}
.mega .mt{display:block;font-weight:600;font-size:.95rem;letter-spacing:-.02em;color:var(--ink)}
.mega .md{display:block;font-size:.82rem;color:var(--slate);line-height:1.45;margin-top:3px}
.mega a:hover .mt{color:var(--teal-dark)}
.hdr-cta{flex:none}
.nav .mob-cta{display:none}
.burger{display:none;width:46px;height:46px;border:1px solid var(--line);background:#fff;
  border-radius:var(--r);cursor:pointer;padding:0;place-items:center;
  position:relative;z-index:130}
.burger span{display:block;width:20px;height:2px;background:var(--ink);margin:4px auto;
  transition:transform .2s var(--ease),opacity .2s var(--ease)}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(15px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-15px) rotate(-45deg)}

/* ---------- page hero (interior) ---------- */
.page-hero{position:relative;padding:88px 0 72px;background:
  linear-gradient(180deg,var(--tint),#fff);border-bottom:1px solid var(--line)}
.page-hero .lead{margin-top:22px;max-width:62ch}
.page-hero.on-photo{border-bottom:0;padding:132px 0 108px;overflow:hidden;
  background-color:var(--teal-ink);background-size:cover;background-position:center center;
  background-repeat:no-repeat}
.page-hero.on-photo::after{content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(10,46,54,.94) 6%,rgba(10,46,54,.74) 56%,rgba(10,46,54,.52))}
.page-hero.on-photo .wrap{position:relative;z-index:1}
.page-hero.on-photo h1,.page-hero.on-photo .eyebrow{color:#fff}
.page-hero.on-photo .eyebrow{color:#8FD3DF}
.page-hero.on-photo .lead{color:#D7E7EA}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:.82rem;color:var(--slate);
  margin-bottom:22px;list-style:none;padding:0}
.crumbs li{margin:0}
.crumbs a{color:var(--slate)}
.crumbs li+li::before{content:"/";margin-right:8px;color:var(--silver)}
.on-photo .crumbs,.on-photo .crumbs a{color:#B9D6DC}

/* ---------- cards ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:34px 30px;
  display:flex;flex-direction:column;transition:border-color .2s var(--ease),
  box-shadow .2s var(--ease),transform .2s var(--ease)}
.card:hover{border-color:#C9D6D8;box-shadow:var(--shadow);transform:translateY(-3px)}
.card h3{margin-bottom:12px}
.card p{font-size:.96rem;color:var(--slate)}
.card .arrow-link{margin-top:auto;padding-top:20px}
.card-num{font-size:.76rem;font-weight:600;letter-spacing:.16em;color:var(--teal);
  margin-bottom:16px;text-transform:uppercase}
.icon{width:30px;height:30px;stroke:var(--teal);stroke-width:1.6;fill:none;margin-bottom:22px}
.card-teal{background:linear-gradient(135deg,var(--teal) 0%,var(--teal-deep) 100%);
  border-color:transparent;color:#EAF6F8}
.card-teal h3{color:#fff}
.card-teal p{color:#D8EDF1}
.card-teal .arrow-link{color:#fff}
.card-teal .icon{stroke:#fff}
.card-dark{background:var(--dark);border-color:var(--dark);color:var(--silver)}
.card-dark h3{color:#fff}
.card-dark p{color:var(--silver)}
.card-dark .arrow-link{color:#7FC5D3}
.card-photo{padding:0;overflow:hidden}
.card-photo img{width:100%;aspect-ratio:4/3;object-fit:cover}
.card-photo .cb{padding:28px 26px 30px;display:flex;flex-direction:column;flex:1}

/* ---------- editorial media (image sections) ---------- */
.media-frame{position:relative}
.media-frame::before{content:"";position:absolute;top:28px;left:28px;right:-16px;bottom:-16px;
  background:var(--teal-pale);border-radius:var(--r-lg);z-index:0}
.media-frame.flip::before{left:-16px;right:28px}
.media-frame>.media-obj{position:relative;z-index:1}
.media-obj{position:relative;margin:0;border-radius:var(--r-lg);overflow:hidden;isolation:isolate;
  box-shadow:0 24px 60px -30px rgba(10,46,54,.45)}
.media-obj img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .6s var(--ease)}
.media-obj:hover img{transform:scale(1.04)}
.media-obj::after{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(10,46,54,0) 40%,rgba(10,46,54,.86) 100%)}
.mo-cap{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:24px 26px}
.mo-kicker{font-size:.66rem;font-weight:700;letter-spacing:.17em;text-transform:uppercase;
  color:#8FD3DF;margin:0 0 7px}
.mo-cap h3{color:#fff;font-size:1.15rem;margin:0 0 5px}
.mo-cap p{color:#D7E7EA;font-size:.86rem;line-height:1.5;margin:0}
.mo-num{position:absolute;top:18px;left:18px;z-index:2;font-size:.75rem;font-weight:700;
  letter-spacing:.14em;color:var(--teal-ink);background:rgba(255,255,255,.93);
  border-radius:999px;padding:8px 15px}

/* light variant — product shots photographed on white.
   The product floats on a tinted ground (multiply blends the shot's white
   background away) and the caption sits in its own small panel, so no dark
   gradient washes out the material. */
.media-obj.on-light{border:1px solid var(--line);
  background:linear-gradient(158deg,#FBFDFD 0%,#E7F1F2 100%);
  box-shadow:0 18px 44px -26px rgba(10,46,54,.24)}
.media-obj.on-light img{object-fit:contain;padding:34px 30px 78px;mix-blend-mode:multiply}
.media-obj.on-light::after{content:none}
.media-obj.on-light .mo-cap{left:16px;right:16px;bottom:16px;padding:14px 17px;
  background:rgba(255,255,255,.93);border:1px solid var(--line);border-radius:var(--r)}
.media-obj.on-light .mo-kicker{color:var(--teal);margin-bottom:5px}
.media-obj.on-light .mo-cap h3{color:var(--ink);font-size:1.05rem}
.media-obj.on-light .mo-cap p{color:var(--slate)}
.media-obj.on-light .mo-num{background:var(--teal);color:#fff}

/* stacked two-photo collage */
.photo-duo{position:relative;padding:0 0 62px}
.photo-duo .pd-main .mo-cap{padding-right:46%}
.photo-duo .pd-over{position:absolute;right:-6px;bottom:0;width:54%;border:6px solid #fff;
  box-shadow:0 26px 60px -26px rgba(10,46,54,.55)}
.photo-duo .pd-over.on-light{border-color:#fff;
  box-shadow:0 0 0 1px var(--line),0 26px 60px -26px rgba(10,46,54,.32)}
/* the on-light caption is a self-contained panel, so drop the gradient-era insets.
   It stops short of the overlapping card rather than running underneath it. */
.photo-duo .pd-main.on-light .mo-cap{padding:14px 17px;right:48%}
.photo-duo .pd-over.on-light img{padding:22px 20px 58px}
.photo-duo .pd-over.on-light .mo-cap{padding:11px 13px;left:12px;right:12px;bottom:12px}
.photo-duo .pd-over img{aspect-ratio:1/1}
.photo-duo .pd-over .mo-cap{padding:16px 18px}
.pd-chip{position:absolute;top:-16px;left:-16px;z-index:3;display:flex;align-items:center;gap:11px;
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 18px 9px 10px;
  box-shadow:var(--shadow)}
.pd-chip img{width:32px;height:32px}
.pd-chip strong{display:block;font-size:.9rem;color:var(--ink);letter-spacing:-.02em;line-height:1.25}
.pd-chip span{display:block;font-size:.72rem;color:var(--slate);line-height:1.3}
@media(max-width:900px){
  .media-frame::before{top:18px;left:18px;right:-10px;bottom:-10px}
  .media-frame.flip::before{left:-10px;right:18px}
}
@media(max-width:620px){
  .photo-duo{padding:0}
  .photo-duo .pd-main .mo-cap{padding-right:26px}
  .photo-duo .pd-main.on-light .mo-cap{right:16px;padding:14px 17px}
  .photo-duo .pd-over{position:static;width:100%;margin-top:18px;border:0}
  .photo-duo .pd-over img{aspect-ratio:4/3}
  .pd-chip{top:14px;left:14px}
}

/* ---------- feature list ---------- */
.checks{list-style:none;padding:0;margin:26px 0 0}
.checks li{position:relative;padding-left:34px;margin-bottom:15px;color:var(--body)}
.checks li::before{content:"";position:absolute;left:0;top:4px;width:20px;height:20px;
  border-radius:50%;background:rgba(29,118,134,.12)}
.checks li::after{content:"";position:absolute;left:6px;top:9.5px;width:8px;height:4.5px;
  border-left:2px solid var(--teal);border-bottom:2px solid var(--teal);transform:rotate(-45deg)}
.bg-dark .checks li{color:var(--silver)}
.bg-dark .checks li::before{background:rgba(127,197,211,.16)}
.bg-dark .checks li::after{border-color:#7FC5D3}

/* ---------- steps ---------- */
.steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;gap:0}
.steps li{counter-increment:s;position:relative;padding:30px 0 30px 74px;
  border-top:1px solid var(--line);margin:0}
.steps li:last-child{border-bottom:1px solid var(--line)}
.steps li::before{content:"0" counter(s);position:absolute;left:0;top:30px;font-size:.85rem;
  font-weight:600;letter-spacing:.1em;color:var(--teal);border:1px solid rgba(29,118,134,.3);
  border-radius:50%;width:46px;height:46px;display:grid;place-items:center}
.steps h3{margin-bottom:8px}
.steps p{color:var(--slate);font-size:.97rem;max-width:70ch}

/* ---------- table ---------- */
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-lg);background:#fff}
table{width:100%;border-collapse:collapse;font-size:.95rem;min-width:640px}
caption{text-align:left;padding:20px 24px 0;font-size:.85rem;color:var(--slate)}
th{text-align:left;font-size:.72rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--slate);padding:18px 24px;border-bottom:1px solid var(--line);background:var(--tint)}
td{padding:18px 24px;border-bottom:1px solid var(--line);color:var(--slate);vertical-align:top}
tbody tr:last-child td{border-bottom:0}
td strong{color:var(--ink)}
tbody tr:hover td{background:#FAFCFC}
.num{font-variant-numeric:tabular-nums;white-space:nowrap}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;background:#fff}
.stat{padding:36px 30px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0}
.stat .k{font-size:2.1rem;font-weight:700;color:var(--ink);letter-spacing:-.055em;line-height:1}
.stat .v{font-size:.88rem;color:var(--slate);margin-top:10px;line-height:1.5}
.bg-dark .stats{background:var(--dark-2);border-color:#3A4448}
.bg-dark .stat{border-color:#3A4448}
.bg-dark .stat .k{color:#fff}
.bg-dark .stat .v{color:var(--silver)}

/* ---------- placeholders (unpublished facts) ---------- */
.ph{display:inline-block;border:1.5px dashed #B6C4C7;border-radius:var(--r);padding:7px 13px;
  color:var(--slate);font-size:.87rem;background:var(--tint);line-height:1.4}
.bg-dark .ph,.site-footer .ph{border-color:#4A5559;background:rgba(255,255,255,.04);
  color:var(--silver)}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:var(--silver);font-size:.94rem}
.site-footer a:not(.btn){color:#C9D2D4;text-decoration:none}
.site-footer a:not(.btn):hover{color:#fff;text-decoration:underline}
.f-top{display:flex;justify-content:space-between;align-items:center;gap:32px;
  padding:56px 0 42px;flex-wrap:wrap}
.f-brand{display:flex;align-items:center;gap:14px}
.f-brand img,.f-brand svg{width:44px;height:44px}
.f-brand .brand-name{color:#fff}
.f-brand .brand-name span{color:#7FC5D3}
.f-brand .brand-sub{color:var(--silver)}
.f-cols{display:grid;grid-template-columns:1fr 1fr 1fr 1.35fr;gap:44px;
  padding:46px 0 52px;border-top:1px solid #3A3A3A}
.f-cols h2{font-size:.73rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:var(--silver);margin-bottom:20px}
.f-cols ul{list-style:none;margin:0;padding:0}
.f-cols li{margin-bottom:12px}
.f-parent{background:var(--dark-2);border-radius:var(--r-lg);padding:26px 28px}
.f-parent .lbl{font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--silver);
  margin-bottom:14px}
.f-parent img{height:26px;width:auto;margin-bottom:14px}
.f-parent p{font-size:.86rem;line-height:1.6;color:var(--silver);margin:0}
.f-contact{margin-top:18px;display:grid;gap:9px}
.f-bottom{border-top:1px solid #3A3A3A;padding:26px 0 40px;display:flex;justify-content:space-between;
  gap:22px;flex-wrap:wrap;font-size:.82rem;color:#8A9497}
.f-bottom ul{display:flex;gap:24px;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.f-bottom li{margin:0}
.f-legal{padding:0 0 40px;font-size:.78rem;color:#98A2A5;line-height:1.65;max-width:none}
.f-legal p{margin-bottom:9px}

/* ---------- motion ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media(max-width:1080px){
  .f-cols{grid-template-columns:1fr 1fr;gap:36px}
  .split{gap:48px}
}
@media(max-width:900px){
  :root{--gut:24px}
  section{padding:76px 0}
  .hdr{min-height:72px}
  .burger{display:grid}
  /* backdrop-filter on .site-header makes it a containing block for position:fixed
     descendants, which trapped the drawer inside the header box. Drop it at mobile. */
  .site-header{backdrop-filter:none;background:#fff}
  /* Drawer sits inside the viewport (right:0) and is revealed with clip-path.
     A translateX(100%) drawer extends the document scroll area in Chrome, which
     made every page horizontally scrollable on mobile. */
  .nav{position:fixed;top:0;right:0;bottom:0;width:min(420px,86vw);background:#fff;z-index:120;
    flex-direction:column;align-items:stretch;gap:0;padding:96px 24px 40px;overflow-y:auto;
    display:block;clip-path:inset(0 0 0 100%);visibility:hidden;
    transition:clip-path .3s var(--ease),visibility .3s var(--ease);
    box-shadow:-24px 0 60px -30px rgba(0,0,0,.4)}
  .nav.open{clip-path:inset(0 0 0 0);visibility:visible}
  .nav>ul{flex-direction:column;align-items:stretch;gap:0}
  .nav>ul>li{border-bottom:1px solid var(--line)}
  .navlink{width:100%;justify-content:space-between;padding:17px 4px;font-size:1.05rem;
    border-radius:0;text-align:left}
  .mega{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;border:0;
    min-width:0;padding:0 0 12px;display:none;background:transparent}
  .nav li.open .mega{display:block;transform:none}
  .mega a{padding:11px 4px 11px 16px;border-left:2px solid var(--line)}
  .hdr-cta{display:none}
  .nav .mob-cta{display:block;margin-top:26px}
  .nav .mob-cta .btn{width:100%;justify-content:center}
  .navscrim{position:fixed;inset:0;background:rgba(20,26,28,.5);z-index:110;opacity:0;
    visibility:hidden;transition:opacity .28s var(--ease),visibility .28s}
  .navscrim.on{opacity:1;visibility:visible}
  .split,.split.wide-left,.split.wide-right{grid-template-columns:1fr;gap:36px}
  .g3,.g4{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
  .stat{border-left:0;border-top:1px solid var(--line)}
  .stat:nth-child(-n+2){border-top:0}
  .stat:nth-child(even){border-left:1px solid var(--line)}
  .page-hero.on-photo{padding:100px 0 80px}
  .topbar .tb-r{display:none}
  .topbar .wrap{justify-content:center;text-align:center}
}
@media(max-width:620px){
  body{font-size:16.5px}
  section{padding:64px 0}
  .g2,.g3,.g4{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .stat{border-left:0!important;border-top:1px solid var(--line)}
  .stat:first-child{border-top:0}
  .btns .btn{width:100%;justify-content:space-between}
  .f-cols{grid-template-columns:1fr}
  .steps li{padding-left:0;padding-top:64px}
  .steps li::before{top:22px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}
@media print{
  .site-header,.site-footer,.topbar,.btns,.navscrim{display:none}
  body{font-size:11pt;color:#000}
}