/* ============================================================
   ARCA — arca.ag  ·  one-page  ·  v4 (reescrita conforme spec)
   ============================================================ */

:root {
  /* amarelos */
  --arca-yellow: #FEC62D;        /* amarelo da marca (site) */
  --arca-yellow-foot: #F1C75B;   /* exato do fundo do logo do rodapé */
  --arca-yellow-deep: #D2A82A;

  /* grafite escuro que combina com a marca */
  --graphite: #1A1C22;
  --graphite-2: #202229;
  --graphite-3: #2A2D36;
  --ink: #14161B;

  --paper: #F4F1EA;
  --white: #FFFFFF;

  /* sobre amarelo */
  --on-yellow: #1A1C22;
  --on-yellow-soft: rgba(26,28,34,0.62);

  /* sobre grafite */
  --on-dark: #F4F1EA;
  --on-dark-soft: rgba(244,241,234,0.62);
  --line-dark: rgba(244,241,234,0.14);
  --line-yellow: rgba(26,28,34,0.16);

  --font-display: "Instrument Serif", "Cormorant Garamond", Georgia, serif;
  --font-body: "Inter Tight", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --font-cond: "Anton", "Inter Tight", sans-serif;
  --font-alt: "Space Grotesk", "Inter Tight", sans-serif;

  --container: 1360px;
  --gutter: clamp(22px, 5vw, 76px);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
html, body { background: var(--graphite); color: var(--on-dark); }
body {
  font-family: var(--font-body);
  font-size: 16px; line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; border: 0; background: none; color: inherit; cursor: pointer; }
::selection { background: var(--arca-yellow); color: var(--on-yellow); }

.container { max-width: var(--container); margin: 0 auto; }

/* ---- section label  _lowercase ---- */
.label {
  font-family: var(--font-mono);
  font-size: 12px; letter-spacing: 0.16em; text-transform: lowercase;
  display: inline-flex; align-items: center; gap: 10px;
}
.label--light { color: var(--on-dark); }
.label--dark { color: var(--on-yellow); }

/* ---- the MESA symbol (white png) ---- */
.symbol { width: 26px; height: 26px; flex: none; object-fit: contain; }

/* =========================================================
   GLASSMORPHISM 2.0
   ========================================================= */
.glass {
  background: linear-gradient(135deg, rgba(255,255,255,0.16), rgba(255,255,255,0.05));
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border: 1px solid rgba(255,255,255,0.22);
  box-shadow: 0 8px 32px rgba(0,0,0,0.18),
              inset 0 1px 0 rgba(255,255,255,0.35),
              inset 0 -1px 0 rgba(255,255,255,0.06);
}
.glass--dark {
  background: linear-gradient(135deg, rgba(20,22,27,0.32), rgba(20,22,27,0.12));
  border: 1px solid rgba(255,255,255,0.16);
  box-shadow: 0 8px 32px rgba(0,0,0,0.28),
              inset 0 1px 0 rgba(255,255,255,0.18);
}

/* =========================================================
   NAV — frosted glass, sempre visível
   ========================================================= */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
  padding: 18px var(--gutter);
  background-color: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color .4s ease, border-color .4s ease, box-shadow .4s ease, padding .4s ease;
}
/* vidro escuro (preto transparente) somente após scroll */
.nav.scrolled {
  padding: 11px var(--gutter);
  background-color: rgba(16,17,21,0.58);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border-bottom: 1px solid rgba(255,255,255,0.10);
  box-shadow: 0 12px 38px rgba(0,0,0,0.28);
}
.nav.scrolled .nav__logo img { filter: none; }
.nav.scrolled .nav__links a { color: #fff; }
.nav.scrolled .nav__burger span { background: #fff; }
.nav.scrolled .nav__cta { color: #fff; }
.nav__logo { display: flex; align-items: center; }
.nav__logo img { height: 40px; width: auto; }
.nav__links {
  display: flex; gap: 34px; align-items: center;
  margin-left: auto; margin-right: 10px;
}
.nav__links a {
  font-family: var(--font-display); font-weight: 400; font-size: 21px; letter-spacing: 0;
  color: var(--on-yellow); opacity: 0.82; transition: opacity .2s;
  position: relative; padding: 2px 0;
}
.nav__links a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -2px; height: 1px;
  background: var(--on-yellow); transition: right .28s ease;
}
.nav__links a:hover { opacity: 1; }
.nav__links a:hover::after { right: 0; }

/* CTA — só texto, sem botão */
.nav__cta {
  font-family: var(--font-display); font-weight: 400; font-size: 21px; letter-spacing: 0;
  color: var(--on-yellow);
  padding: 4px 0;
  position: relative;
  white-space: nowrap;
  opacity: 0.82;
  transition: opacity .2s;
}
.nav__cta::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -2px; height: 1px;
  background: currentColor; transition: right .28s ease;
}
.nav__cta:hover { opacity: 1; }
.nav__cta:hover::after { right: 0; }

.nav__burger { display: none; width: 34px; height: 34px; position: relative; }
.nav__burger span { position: absolute; left: 5px; right: 5px; height: 2px; background: var(--on-yellow); transition: transform .3s, opacity .3s; }
.nav__burger span:nth-child(1) { top: 11px; }
.nav__burger span:nth-child(2) { top: 17px; }
.nav__burger span:nth-child(3) { top: 23px; }
.nav__burger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 860px) {
  .nav { flex-direction: row; justify-content: space-between; align-items: center; }
  .nav__burger { display: block; order: 0; }
  .nav__logo { order: 1; position: static; transform: none; margin-right: auto; margin-left: 14px; }
  .nav__cta { order: 2; margin-left: auto; }
  .nav__links {
    order: 3;
    position: fixed; inset: 66px 12px auto 12px;
    flex-direction: column; gap: 4px; align-items: stretch;
    padding: 12px; border-radius: 16px;
    background: linear-gradient(160deg, rgba(244,241,234,0.94), rgba(244,241,234,0.84));
    backdrop-filter: blur(24px) saturate(160%);
    -webkit-backdrop-filter: blur(24px) saturate(160%);
    border: 1px solid rgba(255,255,255,0.6);
    box-shadow: 0 20px 50px rgba(0,0,0,0.25);
    transform: translateY(-10px); opacity: 0; pointer-events: none; transition: opacity .25s, transform .25s;
    margin: 0;
  }
  .nav__links.open { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .nav__links a { padding: 12px 14px; font-size: 22px; }
  .nav__links a::after { display: none; }
  /* dropdown tem fundo claro → texto sempre escuro, mesmo no estado scrolled */
  .nav .nav__links a,
  .nav.scrolled .nav__links a { color: var(--on-yellow); }
}

/* =========================================================
   HERO  — fundo amarelo
   ========================================================= */
.hero {
  --mx: 50%; --my: 40%;
  background: var(--arca-yellow);
  color: var(--on-yellow);
  min-height: 100vh;
  padding: 132px var(--gutter) 56px;
  display: flex; flex-direction: column;
  position: relative; overflow: hidden;
}
.hero__inner {
  max-width: var(--container); margin: 0 auto; width: 100%; flex: 1;
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  align-items: center;
  column-gap: clamp(40px, 6vw, 112px);
  row-gap: clamp(28px, 5vh, 56px);
}

/* ---- flow-field de linhas de contorno (canvas) ---- */
.hero__bg { position: absolute; inset: 0; z-index: 1; pointer-events: none; }

.hero__top { display: flex; align-items: center; min-width: 0; }
/* caixa preta removida — título direto sobre o amarelo */
.hero__block {
  position: relative; z-index: 2;
  max-width: 100%; width: 100%;
}
.hero__phrase {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(36px, 4.9vw, 86px);
  line-height: 1.04; letter-spacing: -0.02em;
  color: var(--on-yellow);
}
.hero__phrase .it { font-style: italic; }
.hero__phrase .yellow { color: var(--white); }

.hero__sub {
  position: relative; z-index: 2;
  align-self: center;
  max-width: 34ch;
  padding-left: 26px;
  border-left: 2px solid rgba(26,28,34,0.35);
  font-family: var(--font-display);
  font-size: clamp(22px, 1.9vw, 34px);
  line-height: 1.28; letter-spacing: -0.005em;
  color: var(--on-yellow);
}
.hero__sub strong { font-weight: 400; font-style: italic; }
@media (max-width: 880px) {
  .hero { min-height: auto; padding-top: 116px; padding-bottom: clamp(40px, 9vw, 64px); }
  .hero__inner { flex: none; grid-template-columns: 1fr; justify-content: start; row-gap: clamp(24px, 5vw, 36px); }
  .hero__top { order: 1; }
  .hero__sub { order: 2; align-self: start; justify-self: start; }
}
@media (max-width: 720px) {
  .hero__block { max-width: 100%; }
  .hero__sub { align-self: start; }
}

/* =========================================================
   SECTION shells
   ========================================================= */
.sec { padding: clamp(64px, 8vw, 128px) var(--gutter); position: relative; }
.sec--dark { background: var(--graphite); color: var(--on-dark); }
.sec--yellow { background: var(--arca-yellow); color: var(--on-yellow); }

.sec__head { display: flex; align-items: center; gap: 14px; margin-bottom: clamp(28px, 4vw, 52px); }
.sec__head .symbol { width: clamp(24px, 3vw, 40px); height: clamp(24px, 3vw, 40px); }
/* títulos de seção — serifada editorial (coeso com hero/rodapé) */
.sec__head .label,
.clients__head .label,
.cases__name {
  font-family: var(--font-display);
  font-weight: 400; font-style: italic;
  font-size: clamp(32px, 4.2vw, 58px);
  letter-spacing: -0.01em; text-transform: none; line-height: 1;
  opacity: 1;
}
.sec__name {
  font-family: var(--font-cond);
  font-size: clamp(40px, 5.4vw, 76px);
  letter-spacing: 0.01em; text-transform: uppercase; line-height: 1;
}

/* =========================================================
   CLIENTES — barra sticky (fundo amarelo, logos escuros)
   ========================================================= */
.clients {
  position: relative; z-index: 1;
  background: var(--arca-yellow);
  border-bottom: 1px solid var(--line-yellow);
  padding: 22px var(--gutter);
}
.clients__head {
  display: flex; align-items: center; gap: 12px;
  max-width: var(--container); margin: 0 auto 18px;
}
.clients__head .label { color: var(--on-yellow); }
.clients__head .symbol { filter: brightness(0); width: clamp(24px, 3vw, 40px); height: clamp(24px, 3vw, 40px); }
.clients__bar {
  max-width: var(--container); margin: 0 auto;
  display: grid; grid-template-columns: repeat(8, 1fr);
  gap: clamp(6px, 1vw, 18px); align-items: center;
}
.clients__logo {
  height: clamp(46px, 6vw, 84px);
  display: flex; align-items: center; justify-content: center;
}
.clients__logo img {
  max-height: 100%; max-width: 100%; width: auto; object-fit: contain;
  filter: brightness(0);            /* unifica em grafite */
  opacity: 0.74;
  transition: opacity .3s, transform .3s;
}
.clients__logo:hover img { opacity: 1; transform: translateY(-3px); }
@media (max-width: 860px) {
  .clients__bar { grid-template-columns: repeat(4, 1fr); gap: 14px 10px; }
  .clients__logo { height: clamp(56px, 13vw, 88px); }
}

/* clientes+cases share a wrapper so the sticky bar releases after the cases */
.roster { position: relative; }

/* =========================================================
   CASES — carrossel
   ========================================================= */
.cases { background: var(--graphite); padding: clamp(56px, 7vw, 104px) 0; overflow: hidden; }
.cases__head {
  display: flex; align-items: center; gap: 14px;
  padding: 0 var(--gutter); max-width: var(--container); margin: 0 auto clamp(28px, 4vw, 48px);
}
.cases__name { font-family: var(--font-display); font-style: italic; font-weight: 400; font-size: clamp(32px, 4.2vw, 58px); text-transform: none; letter-spacing: -0.01em; line-height: 1; }
.cases__name span { color: var(--arca-yellow); }

.cases__stage { position: relative; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.cases__viewport { overflow: hidden; }
.cases__track {
  display: flex;
  transition: transform .6s cubic-bezier(.65,0,.2,1);
}
.case {
  flex: 0 0 100%;
  padding: 0 2px;
}
.case__inner { position: relative; }

/* per-slide top caption */
.case__cap {
  display: flex; align-items: center; gap: 12px; margin-bottom: 18px;
}
.case__cap .symbol { width: 24px; height: 24px; }
.case__cap-text {
  font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--on-dark); white-space: nowrap;
}

.case__frame {
  position: relative; width: 100%; overflow: hidden;
  border-radius: 6px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.4);
}
.case__frame img.case__photo {
  width: 100%; height: auto; display: block;   /* proporção original, sem corte */
}
/* client logo chip top-left */
.case__brand {
  position: absolute; top: clamp(16px, 2.2vw, 30px); left: clamp(16px, 2.2vw, 30px);
  padding: 12px 16px; border-radius: 12px;
  display: flex; align-items: center;
}
.case__brand img { height: clamp(20px, 2.2vw, 30px); width: auto; filter: brightness(0); }
/* gradient band + phrase */
.case__band {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: clamp(40px, 7vw, 96px) clamp(22px, 4vw, 56px) clamp(22px, 3vw, 40px);
  background: linear-gradient(to top, rgba(10,11,14,0.92) 8%, rgba(10,11,14,0.6) 48%, rgba(10,11,14,0) 100%);
}
.case__phrase {
  color: var(--white);
  font-family: var(--font-alt);
  font-weight: 500;
  font-size: clamp(16px, 2vw, 26px);
  line-height: 1.32; max-width: 52ch; letter-spacing: -0.005em;
}

/* arrows — sobre a foto, uma de cada lado */
.cases__viewport { position: relative; }
.cases__btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  z-index: 5;
  width: 56px; height: 56px; border-radius: 999px;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  background: rgba(10,11,14,0.45);
  backdrop-filter: blur(10px) saturate(140%);
  -webkit-backdrop-filter: blur(10px) saturate(140%);
  border: 1px solid rgba(255,255,255,0.22);
  box-shadow: 0 8px 24px rgba(0,0,0,0.30);
  transition: transform .25s, color .25s, background .25s;
}
.cases__btn--prev { left: clamp(14px, 2vw, 28px); }
.cases__btn--next { right: clamp(14px, 2vw, 28px); }
.cases__btn:hover { transform: translateY(-50%) scale(1.06); color: var(--arca-yellow); background: rgba(10,11,14,0.62); }
.cases__btn:active { transform: translateY(-50%) scale(0.95); }
.cases__btn svg { width: 22px; height: 22px; }

@media (max-width: 720px) {
  .cases__btn { width: 46px; height: 46px; }
}

/* =========================================================
   METODOLOGIA — 4 colunas A R C A
   ========================================================= */
.method { background: var(--graphite); }
.method__grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line-dark);
}
.mcol {
  border-right: 1px solid var(--line-dark);
  padding: clamp(28px, 2.6vw, 44px) clamp(20px, 1.8vw, 32px) clamp(40px, 5vw, 72px);
  min-height: clamp(360px, 42vw, 520px);
  display: flex; flex-direction: column;
  position: relative; overflow: hidden;
  transition: background .4s ease;
}
.mcol:last-child { border-right: 0; }
.mcol:hover { background: var(--graphite-2); }

.mcol__abbr {
  font-family: var(--font-cond);
  font-size: clamp(52px, 6.4vw, 96px);
  line-height: 1.0; letter-spacing: 0.005em;
  color: rgba(244,241,234,0.10);          /* grafite tom-sobre-tom */
  text-transform: uppercase;
  min-height: 2em;                         /* reserva 2 linhas → alinha colunas */
  transition: color .4s ease, transform .4s ease;
}
.mcol:hover .mcol__abbr { color: var(--arca-yellow); }
.mcol__body { margin-top: 28px; }
.mcol__day { min-height: 1.1em; }
.mcol__phase { min-height: 1.05em; }

.mcol__letter {
  position: absolute; top: clamp(20px, 2vw, 36px); right: clamp(18px, 1.6vw, 30px);
  font-family: var(--font-display); font-style: italic;
  font-size: clamp(28px, 3vw, 46px); color: var(--arca-yellow);
  opacity: 0.4; transition: opacity .4s;
}
.mcol:hover .mcol__letter { opacity: 1; }

.mcol__day {
  margin-top: 26px;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--on-dark-soft);
}
.mcol__phase {
  margin-top: 8px;
  font-family: var(--font-display); font-size: clamp(26px, 2.4vw, 36px); line-height: 1;
  color: var(--white);
}
.mcol__desc {
  margin-top: 20px;
  font-size: 14.5px; line-height: 1.55; color: var(--on-dark-soft);
  max-width: 32ch;
}
@media (max-width: 860px) {
  .method__grid { grid-template-columns: 1fr 1fr; }
  .mcol:nth-child(2n) { border-right: 0; }
  .mcol:nth-child(-n+2) { border-bottom: 1px solid var(--line-dark); }
}
@media (max-width: 520px) {
  .method__grid { grid-template-columns: 1fr; }
  .mcol { border-right: 0; border-bottom: 1px solid var(--line-dark); min-height: 0; }
}

/* =========================================================
   QUEM SOMOS
   ========================================================= */
.about { background: var(--graphite); }
.about__grid {
  display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(28px, 5vw, 80px);
  align-items: start;
}
@media (max-width: 880px) { .about__grid { grid-template-columns: 1fr; } }
.about__photo {
  position: relative; align-self: stretch;
}
.about__photo img {
  width: 100%; height: auto; display: block;
  border-radius: 6px;
  box-shadow: 0 30px 70px rgba(0,0,0,0.4);
}
.about__photo-cap {
  margin-top: 16px;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.12em; color: var(--on-dark-soft);
}
.about__photo-cap b { color: var(--white); font-weight: 500; }
.about__bios { display: flex; flex-direction: column; gap: clamp(28px, 4vw, 48px); }
.bio { display: grid; grid-template-columns: auto 1fr; gap: clamp(18px, 2vw, 32px); align-items: start; }
.bio__rule { width: 1px; align-self: stretch; background: var(--arca-yellow); min-height: 100%; }
.bio__name {
  font-family: var(--font-display); font-size: clamp(28px, 2.6vw, 40px); line-height: 1.04;
  color: var(--white); margin-bottom: 12px;
}
.bio__text { font-size: 15.5px; line-height: 1.62; color: var(--on-dark-soft); max-width: 56ch; }
@media (max-width: 520px) { .bio { grid-template-columns: 1fr; } .bio__rule { display: none; } }

/* =========================================================
   CTA / RODAPÉ  — amarelo do logo
   ========================================================= */
.foot {
  background: var(--arca-yellow);
  color: var(--on-yellow);
  padding: clamp(52px, 6.5vw, 96px) var(--gutter) clamp(24px, 3vw, 40px);
}
.foot__inner { max-width: var(--container); margin: 0 auto; }
.foot__cta {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(40px, 7vw, 116px);
  line-height: 0.98; letter-spacing: -0.02em;
  max-width: 16ch;
  margin-bottom: clamp(28px, 4vw, 56px);
}
.foot__cta em { font-style: italic; }
.foot__bottom {
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: 32px; flex-wrap: wrap;
}
.foot__logo img { height: clamp(64px, 8vw, 104px); width: auto; display: block; }
.foot__contacts { display: flex; flex-direction: column; align-items: flex-end; gap: 16px; }
.foot__mail {
  font-family: var(--font-display); font-style: italic;
  font-size: clamp(30px, 3.6vw, 50px); color: var(--on-yellow);
  transition: opacity .2s; word-break: break-word; text-align: right; line-height: 1.05;
}
.foot__mail:hover { opacity: 0.66; }
.foot__social { display: flex; gap: 12px; }
.foot__social a {
  width: 46px; height: 46px; border-radius: 999px;
  display: flex; align-items: center; justify-content: center;
  background: var(--graphite); color: var(--white);
  transition: transform .25s, background .25s;
}
.foot__social a:hover { transform: translateY(-3px); background: var(--ink); }
.foot__social svg { width: 20px; height: 20px; }
.foot__legal {
  margin-top: clamp(28px, 4vw, 52px); padding-top: 22px;
  border-top: 1px solid var(--line-yellow);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; align-items: center;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--on-yellow-soft);
}
/* palavras finais ARCA — hover com varredura de tinta + knockout */
.arca-words {
  display: inline-flex; align-items: center; gap: 2px; flex-wrap: wrap;
  text-transform: none; font-family: var(--font-mono);
  font-size: 13px; letter-spacing: 0.06em;
}
.arca-words .aw {
  position: relative; display: inline-block; isolation: isolate;
  padding: 5px 9px; border-radius: 4px;
  color: rgba(26,28,34,0.62);
  transition: color .35s ease, transform .42s cubic-bezier(.2,.85,.25,1);
  cursor: default;
}
.arca-words .aw::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: var(--graphite); border-radius: 4px;
  transform: scaleX(0); transform-origin: left;
  transition: transform .45s cubic-bezier(.7,0,.2,1);
}
.arca-words .aw:hover { color: var(--arca-yellow-foot); transform: translateY(-2px); }
.arca-words .aw:hover::before { transform: scaleX(1); }
.arca-words .aw__i {
  font-family: var(--font-display); font-style: italic; text-transform: none;
  font-size: 1.5em; line-height: 0;
}
.arca-words .aw__sep { opacity: 0.38; padding: 0 1px; }
@media (max-width: 640px) {
  .foot__bottom { flex-direction: column; align-items: flex-start; }
  .foot__contacts { align-items: flex-start; }
}

/* =========================================================
   MOBILE — espaçamentos mais compactos
   ========================================================= */
@media (max-width: 720px) {
  .sec { padding: 56px var(--gutter); }
  .clients { padding: 36px var(--gutter); }
  .cases { padding: 52px 0; }
  .sec__head { margin-bottom: 28px; }
  .clients__head { margin-bottom: 22px; }
}

/* reveal */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .8s ease, transform .8s ease; }
.reveal.in { opacity: 1; transform: none; }

/* scrollbar */
html::-webkit-scrollbar { width: 9px; }
html::-webkit-scrollbar-track { background: var(--graphite); }
html::-webkit-scrollbar-thumb { background: rgba(236,196,64,0.45); }
html::-webkit-scrollbar-thumb:hover { background: var(--arca-yellow); }