:root {
  --ink: #111514;
  --ink-soft: #303837;
  --paper: #f3f1eb;
  --paper-bright: #fbfaf6;
  --mist: #dfe7e4;
  --line: rgba(17, 21, 20, .16);
  --accent: #0c6e73;
  --accent-dark: #064b50;
  --white: #fff;
  --font: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
[id] { scroll-margin-top: 84px; }
body {
  margin: 0;
  overflow-x: clip;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { text-wrap: balance; overflow-wrap: break-word; }
button, select { font: inherit; }
a, button, select { touch-action: manipulation; -webkit-tap-highlight-color: rgba(12,110,115,.18); }
a { color: inherit; }
img { display: block; max-width: 100%; }

.skip-link {
  position: fixed;
  left: 1rem;
  top: -6rem;
  z-index: 10000;
  padding: .75rem 1rem;
  background: #fff;
  color: #000;
  text-decoration: none;
}
.skip-link:focus { top: 1rem; }

.arcflow-concept-bar {
  position: fixed;
  left: 50%;
  bottom: 16px;
  z-index: 9000;
  display: flex;
  gap: .55rem;
  align-items: center;
  max-width: calc(100vw - 32px);
  padding: 10px 15px;
  translate: -50% 0;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 999px;
  background: rgba(12, 17, 16, .92);
  box-shadow: 0 12px 40px rgba(0,0,0,.2);
  color: rgba(255,255,255,.68);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .09em;
  line-height: 1.35;
  text-transform: uppercase;
  backdrop-filter: blur(12px);
  white-space: nowrap;
}
.arcflow-concept-bar strong { color: #fff; }

html { scroll-padding-bottom: 88px; }

.site-nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 2000;
  min-height: 72px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 2rem;
  padding: 0 clamp(1.25rem, 4vw, 4.5rem);
  border-bottom: 1px solid rgba(255,255,255,.16);
  color: #fff;
  transition: background .3s ease, border-color .3s ease, color .3s ease;
}
.site-nav.is-solid {
  background: rgba(243, 241, 235, .94);
  border-bottom-color: var(--line);
  color: var(--ink);
  backdrop-filter: blur(16px);
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  color: inherit;
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .14em;
  text-decoration: none;
  text-transform: uppercase;
}
.wordmark i { width: 4px; height: 4px; background: currentColor; border-radius: 50%; }
.site-nav__links { display: flex; gap: 2rem; align-items: center; }
.site-nav__links a {
  position: relative;
  color: inherit;
  font-size: 11px;
  font-weight: 650;
  letter-spacing: .08em;
  text-decoration: none;
  text-transform: uppercase;
}
.site-nav__links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -7px;
  width: 100%;
  height: 1px;
  background: currentColor;
  scale: 0 1;
  transform-origin: right;
  transition: scale .25s ease;
}
.site-nav__links a:hover::after,
.site-nav__links a:focus-visible::after { scale: 1; transform-origin: left; }
.nav-cta {
  justify-self: end;
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  padding: 0 1rem;
  border: 1px solid currentColor;
  border-radius: 999px;
  color: inherit;
  font-size: 10px;
  font-weight: 750;
  letter-spacing: .08em;
  text-decoration: none;
  text-transform: uppercase;
}
.menu-button { display: none; }
.menu-button:hover { color: #7de0d9; }

.hero-scroll { position: relative; height: 310svh; background: #101412; }
.hero-sticky { position: sticky; top: 0; height: 100svh; overflow: hidden; isolation: isolate; }
#cleaningFilm, .hero-poster {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.01);
  transform-origin: center;
  will-change: transform;
}
.hero-sticky::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg, rgba(8,12,11,.66) 0%, rgba(8,12,11,.23) 46%, rgba(8,12,11,.04) 72%);
  pointer-events: none;
}
.film-loader {
  position: absolute;
  inset: 0;
  z-index: 20;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: .75rem;
  background: #101412;
  color: #fff;
  transition: opacity .45s ease, visibility .45s ease;
}
.film-loader.is-ready { opacity: 0; visibility: hidden; }
.film-loader span { width: 44px; height: 1px; overflow: hidden; background: rgba(255,255,255,.24); }
.film-loader span::after { content: ""; display: block; width: 50%; height: 100%; background: #fff; animation: loader 1s ease-in-out infinite alternate; }
.film-loader b { font-size: 10px; letter-spacing: .14em; text-transform: uppercase; }
.film-loader small { color: rgba(255,255,255,.58); font-variant-numeric: tabular-nums; }
@keyframes loader { to { translate: 100% 0; } }

.hero-copy {
  position: absolute;
  left: clamp(1.5rem, 7vw, 7.5rem);
  top: 50%;
  width: min(820px, calc(100vw - 3rem));
  color: #fff;
  translate: 0 -44%;
  will-change: opacity, transform;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  margin: 0 0 1.5rem;
  padding: 7px 11px;
  border-radius: 999px;
  background: rgba(8,12,11,.68);
  color: rgba(255,255,255,.82);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: .14em;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
}
.eyebrow span { width: 6px; height: 6px; border-radius: 50%; background: #7de0d9; box-shadow: 0 0 14px #7de0d9; }
.hero-copy h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(4.2rem, 8.3vw, 8.6rem);
  font-weight: 300;
  letter-spacing: -.045em;
  line-height: .92;
  text-shadow: 0 3px 30px rgba(0,0,0,.45);
}
.hero-copy h1 span, .hero-copy h1 strong { display: block; }
.hero-copy h1 strong { font-weight: 680; }
.hero-lede {
  max-width: 640px;
  margin: 2rem 0 0;
  padding: 10px 13px;
  background: rgba(8,12,11,.68);
  color: rgba(255,255,255,.82);
  font-size: clamp(.96rem, 1.4vw, 1.15rem);
  line-height: 1.6;
  backdrop-filter: blur(8px);
}
.hero-button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  gap: 1.25rem;
  margin-top: 1.25rem;
  padding: 0 1.25rem;
  border-radius: 999px;
  background: #fff;
  color: #101412;
  font-size: 11px;
  font-weight: 750;
  letter-spacing: .1em;
  text-decoration: none;
  text-transform: uppercase;
}
.hero-button span { transition: translate .2s ease; }
.hero-button:hover span { translate: 0 3px; }
.hero-result {
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(900px, calc(100vw - 3rem));
  opacity: 0;
  color: #fff;
  text-align: center;
  translate: -50% -36%;
  pointer-events: none;
  text-shadow: 0 3px 30px rgba(0,0,0,.52);
}
.hero-result p { margin: 0; font-size: clamp(2.5rem, 5.5vw, 6rem); font-weight: 300; letter-spacing: -.04em; }
.hero-result strong { display: block; font-size: clamp(3rem, 7vw, 7rem); font-weight: 700; letter-spacing: -.045em; line-height: .94; }
.condition-label {
  position: absolute;
  bottom: 2rem;
  z-index: 2;
  padding: 7px 11px;
  border: 1px solid rgba(255,255,255,.32);
  border-radius: 999px;
  background: rgba(8,12,11,.64);
  color: #fff;
  font-size: 9px;
  font-weight: 750;
  letter-spacing: .14em;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
}
.condition-label--before { left: 1.5rem; }
.condition-label--after { right: 1.5rem; opacity: 0; }
.scroll-meter {
  position: absolute;
  right: clamp(1.5rem, 4vw, 4.5rem);
  top: 50%;
  z-index: 3;
  display: grid;
  justify-items: center;
  gap: .7rem;
  translate: 0 -50%;
  color: #fff;
}
.scroll-meter > span { padding: 7px 9px; border-radius: 999px; background: rgba(8,12,11,.65); font-size: 8px; font-weight: 750; letter-spacing: .13em; text-transform: uppercase; writing-mode: vertical-rl; }
.scroll-meter i { width: 1px; height: 120px; background: rgba(255,255,255,.28); }
.scroll-meter i b { display: block; width: 1px; height: 0; background: #fff; }
.scroll-meter small { font-size: 8px; font-variant-numeric: tabular-nums; letter-spacing: .08em; }
.condition-label,
.scroll-meter { display: none; }

.section-shell { width: min(1280px, calc(100% - 64px)); margin: 0 auto; }
.section-index { margin: 0; color: var(--accent); font-size: 10px; font-weight: 750; letter-spacing: .15em; text-transform: uppercase; }
.intro { padding: clamp(6rem, 10vw, 9rem) 0; }
.intro-copy {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: end;
  margin: 2.25rem 0 clamp(4rem, 8vw, 7rem);
}
.intro-copy h2, .section-head h2, .risk-layout h2, .quote-intro h2, .closing h2 {
  margin: 0;
  font-size: clamp(3.4rem, 6.5vw, 6.8rem);
  font-weight: 300;
  letter-spacing: -.04em;
  line-height: .94;
  text-wrap: balance;
}
.intro-copy h2 span, .risk-layout h2 span, .closing h2 span { color: var(--accent); }
.intro-copy .lead { margin-top: 0; color: var(--ink); font-size: 1.2rem; line-height: 1.55; }
.intro-copy div p:not(.lead) { color: #626865; line-height: 1.75; }
.outcome-frame { margin: 0; }
.outcome-frame img { width: 100%; aspect-ratio: 2 / 1; object-fit: cover; border-radius: 14px; }
.outcome-frame figcaption { display: flex; justify-content: space-between; gap: 2rem; padding: .85rem 0 0; color: #6a706d; font-size: 9px; font-weight: 650; letter-spacing: .12em; text-transform: uppercase; }

.surface-section { padding: clamp(6rem, 10vw, 9rem) 0; background: var(--ink); color: #fff; }
.section-head { display: grid; grid-template-columns: 1fr minmax(280px, 420px); gap: 4rem; align-items: end; margin-bottom: clamp(4rem, 7vw, 6rem); }
.section-head .section-index { color: #7de0d9; margin-bottom: 1.4rem; }
.section-head p { color: rgba(255,255,255,.58); line-height: 1.75; }
.surface-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(255,255,255,.15); border-left: 1px solid rgba(255,255,255,.15); }
.surface-grid article { min-height: 390px; display: flex; flex-direction: column; padding: clamp(1.5rem, 3vw, 2.25rem); border-right: 1px solid rgba(255,255,255,.15); border-bottom: 1px solid rgba(255,255,255,.15); transition: background .25s ease; }
.surface-grid article:hover { background: #192320; }
.surface-number { color: rgba(255,255,255,.42); font-size: 9px; letter-spacing: .14em; }
.surface-grid svg { width: 48px; height: 48px; margin: 4.5rem 0 2rem; fill: none; stroke: #7de0d9; stroke-width: 1.25; }
.surface-grid h3 { margin: 0 0 .7rem; font-size: 1.5rem; font-weight: 580; letter-spacing: -.035em; }
.surface-grid p { max-width: 290px; margin: 0; color: rgba(255,255,255,.57); line-height: 1.65; }
.surface-grid a { display: flex; justify-content: space-between; margin-top: auto; padding-top: 1.75rem; color: #fff; font-size: 10px; font-weight: 750; letter-spacing: .11em; text-decoration: none; text-transform: uppercase; }
.surface-grid a span { color: #7de0d9; transition: translate .2s ease; }
.surface-grid a:hover span { translate: 3px 3px; }

.risk-section { padding: clamp(6rem, 11vw, 10rem) 0; }
.risk-layout { display: grid; grid-template-columns: minmax(300px, .9fr) minmax(420px, 1.1fr); gap: clamp(4rem, 9vw, 9rem); margin-top: 2.5rem; }
.risk-layout h2 { font-size: clamp(3.2rem, 5.6vw, 5.8rem); }
.risk-list { border-top: 1px solid var(--line); }
.risk-list article { display: grid; grid-template-columns: 44px 1fr; gap: 1.25rem; padding: 1.8rem 0; border-bottom: 1px solid var(--line); }
.risk-list article > span { color: var(--accent); font-size: 10px; font-weight: 750; letter-spacing: .1em; }
.risk-list h3 { margin: -.25rem 0 .55rem; font-size: 1.15rem; letter-spacing: -.02em; }
.risk-list p { margin: 0; color: #656c69; line-height: 1.7; }

.quote-section { padding: clamp(6rem, 10vw, 9rem) 0; background: var(--mist); }
.quote-layout { display: grid; grid-template-columns: minmax(300px, .72fr) minmax(500px, 1.28fr); gap: clamp(3rem, 8vw, 8rem); align-items: start; }
.quote-intro { position: sticky; top: 112px; }
.quote-intro .section-index { margin-bottom: 1.5rem; }
.quote-intro h2 { font-size: clamp(3.4rem, 5.5vw, 5.7rem); }
.quote-intro > p:not(.section-index) { max-width: 470px; color: #5b6460; font-size: 1.05rem; line-height: 1.75; }
.brief-preview { margin-top: 3rem; padding: 1.35rem; border: 1px solid rgba(12,110,115,.28); border-radius: 14px; background: rgba(255,255,255,.42); }
.brief-preview span { display: block; margin-bottom: .75rem; color: var(--accent); font-size: 9px; font-weight: 750; letter-spacing: .14em; text-transform: uppercase; }
.brief-preview strong { display: block; font-size: 1.15rem; }
.brief-preview p { margin: .5rem 0 0; color: #65706c; font-size: .86rem; line-height: 1.5; }
.quote-card { padding: clamp(1.4rem, 3vw, 2.5rem); border-radius: 16px; background: var(--paper-bright); box-shadow: 0 20px 70px rgba(30,48,44,.1); }
.quote-card fieldset { min-width: 0; margin: 0; padding: 0 0 2.25rem; border: 0; }
.quote-card fieldset + fieldset { padding-top: 2.25rem; border-top: 1px solid var(--line); }
.quote-card legend { width: 100%; margin-bottom: 1.2rem; font-size: 1.05rem; font-weight: 700; }
.quote-card legend span { margin-right: .8rem; color: var(--accent); font-size: 9px; letter-spacing: .1em; }
.choice-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: .65rem; }
.choice-grid--three { grid-template-columns: repeat(3, 1fr); }
.choice-grid button { min-height: 54px; padding: .6rem .85rem; border: 1px solid var(--line); border-radius: 9px; background: transparent; color: var(--ink-soft); cursor: pointer; transition: border-color .2s ease, background .2s ease, color .2s ease; }
.choice-grid button:hover { border-color: var(--accent); }
.choice-grid button[aria-pressed="true"] { border-color: var(--accent); background: var(--accent); color: #fff; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; padding-top: 2.25rem; border-top: 1px solid var(--line); }
.field-row label { display: grid; gap: .65rem; color: #4c5652; font-size: 10px; font-weight: 750; letter-spacing: .09em; text-transform: uppercase; }
.field-row select { width: 100%; min-height: 52px; padding: 0 2.3rem 0 .85rem; border: 1px solid var(--line); border-radius: 9px; background: var(--paper-bright); color: var(--ink); }
.submit-button { width: 100%; min-height: 58px; display: flex; justify-content: space-between; align-items: center; margin-top: 1.8rem; padding: 0 1.1rem; border: 0; border-radius: 999px; background: var(--ink); color: #fff; cursor: pointer; font-size: 11px; font-weight: 750; letter-spacing: .09em; text-transform: uppercase; }
.submit-button:hover { background: var(--accent-dark); }
.form-note { margin: .9rem auto 0; color: #707875; font-size: .72rem; line-height: 1.55; text-align: center; }
.arcflow-concept-status { margin-top: 1.2rem; padding: 1rem; border: 1px solid rgba(12,110,115,.34); border-radius: 10px; background: rgba(12,110,115,.08); color: #38514e; font-size: .84rem; line-height: 1.55; }
.arcflow-concept-status strong { color: var(--accent-dark); }

.closing { padding: clamp(7rem, 13vw, 12rem) 0; background: var(--paper-bright); }
.closing p { margin: 0 0 2rem; color: var(--accent); font-size: 10px; font-weight: 750; letter-spacing: .15em; text-transform: uppercase; }
.closing h2 { max-width: 1060px; font-size: clamp(3.8rem, 7.5vw, 8rem); }
.closing a { min-height: 52px; display: inline-flex; align-items: center; gap: 1.5rem; margin-top: 3rem; padding: 0 1.2rem; border: 1px solid var(--ink); border-radius: 999px; font-size: 10px; font-weight: 750; letter-spacing: .1em; text-decoration: none; text-transform: uppercase; }

footer { min-height: 130px; display: grid; grid-template-columns: 1fr auto 1fr; gap: 2rem; align-items: center; padding: 2rem clamp(1.5rem, 4vw, 4.5rem) 5rem; border-top: 1px solid var(--line); background: var(--paper-bright); }
footer p { max-width: 480px; margin: 0; color: #6b726f; font-size: .72rem; line-height: 1.6; text-align: center; }
footer > a { justify-self: end; font-size: 10px; font-weight: 750; letter-spacing: .1em; text-decoration: none; text-transform: uppercase; }

:focus-visible { outline: 2px solid #2aaab1; outline-offset: 4px; }

@media (max-width: 900px) {
  .site-nav { min-height: 64px; grid-template-columns: 1fr auto; }
  .site-nav__links {
    position: fixed;
    inset: 64px 0 auto;
    display: grid;
    gap: 0;
    padding: .5rem 1.25rem 1rem;
    background: rgba(243,241,235,.98);
    color: var(--ink);
    translate: 0 -130%;
    opacity: 0;
    pointer-events: none;
    overscroll-behavior: contain;
    transition: translate .25s ease, opacity .25s ease;
  }
  .site-nav__links.is-open { translate: 0 0; opacity: 1; pointer-events: auto; }
  .site-nav__links a { min-height: 52px; display: flex; align-items: center; border-bottom: 1px solid var(--line); }
  .nav-cta { display: none; }
  .menu-button { width: 44px; height: 44px; display: grid; place-content: center; gap: 6px; padding: 0; border: 0; background: transparent; color: inherit; }
  .menu-button span { width: 24px; height: 1px; display: block; background: currentColor; transition: rotate .2s ease, translate .2s ease; }
  .menu-button[aria-expanded="true"] span:first-child { translate: 0 3.5px; rotate: 45deg; }
  .menu-button[aria-expanded="true"] span:last-child { translate: 0 -3.5px; rotate: -45deg; }
  .hero-scroll { height: 340svh; }
  .hero-sticky::after { background: linear-gradient(180deg, rgba(8,12,11,.18), rgba(8,12,11,.05) 40%, rgba(8,12,11,.6)); }
  .hero-copy { left: 1.25rem; top: auto; bottom: 5.3rem; width: calc(100vw - 2.5rem); translate: 0; }
  .hero-copy h1 { font-size: clamp(4rem, 17.5vw, 6.2rem); }
  .hero-lede { max-width: 520px; font-size: .9rem; }
  .scroll-meter { top: 46%; right: 1rem; }
  .condition-label { bottom: 1.2rem; }
  .condition-label--before { left: 1.1rem; }
  .condition-label--after { right: 1.1rem; }
  .intro-copy, .section-head, .risk-layout, .quote-layout { grid-template-columns: 1fr; }
  .section-head { gap: 1.5rem; }
  .surface-grid { grid-template-columns: repeat(2, 1fr); }
  .quote-intro { position: static; }
}

@media (max-width: 620px) {
  body { padding-bottom: calc(76px + env(safe-area-inset-bottom)); }
  .arcflow-concept-bar { width: calc(100vw - 24px); bottom: max(8px, env(safe-area-inset-bottom)); display: grid; gap: 2px; justify-content: center; padding: 7px 10px; text-align: center; white-space: normal; pointer-events: none; }
  .arcflow-concept-bar span { display: inline; font-size: 7px; letter-spacing: .06em; }
  #ideaForm button,
  #ideaForm select { scroll-margin-bottom: 96px; }
  .section-shell { width: min(100% - 32px, 1280px); }
  .hero-copy { bottom: 4.6rem; }
  .hero-copy .eyebrow { margin-bottom: 1rem; }
  .hero-copy h1 { font-size: clamp(3.4rem, 17vw, 5.1rem); }
  .hero-lede { margin-top: 1.2rem; }
  .hero-button { min-height: 46px; }
  .hero-result { width: calc(100vw - 2rem); }
  .hero-result p { font-size: 2.2rem; }
  .hero-result strong { font-size: 3.4rem; }
  .scroll-meter > span { display: none; }
  .scroll-meter i { height: 86px; }
  .intro-copy { gap: 2.5rem; }
  .intro-copy h2, .section-head h2, .risk-layout h2, .quote-intro h2, .closing h2 { font-size: clamp(3rem, 14vw, 4.8rem); }
  .outcome-frame img { aspect-ratio: 4 / 5; }
  .outcome-frame figcaption { display: grid; gap: .35rem; }
  .surface-grid { grid-template-columns: 1fr; }
  .surface-grid article { min-height: 330px; }
  .surface-grid svg { margin-top: 3rem; }
  .risk-layout { gap: 2.8rem; }
  .choice-grid, .choice-grid--three, .field-row { grid-template-columns: 1fr; }
  .choice-grid button { min-height: 50px; }
  .quote-card { padding: 1.15rem; }
  footer { grid-template-columns: 1fr; justify-items: start; }
  footer p { text-align: left; }
  footer > a { justify-self: start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .hero-scroll { height: 100svh; }
  .hero-copy { opacity: 1 !important; transform: none !important; }
  .hero-result, .scroll-meter, .condition-label { display: none; }
}