/* MOBA — shared styles for / and /ax.
   Colour and tone follow the Arch Calendar brand site (archcalendar.com): near-black ground, one cyan accent,
   Pretendard, pill buttons, quiet surfaces. The page structure (two-tone section headings, real product
   screenshots, bento tiles, big final CTA) follows a Sentry-like marketing layout. */
:root {
  --bg: #050606;
  --bg-2: #08090a;
  --surface: rgba(255, 255, 255, .045);
  --surface-strong: rgba(255, 255, 255, .075);
  --line: rgba(255, 255, 255, .1);
  --line-soft: rgba(255, 255, 255, .06);
  --text: #f6f6f7;
  --body: #b4b6bb;
  --muted: #98989f;
  --ink: #050606;
  --accent: #66e5ff;
  --accent-light: #b9f5ff;
  --accent-dim: rgba(102, 229, 255, .12);
  --page: min(1200px, calc(100% - 48px));
  --header-h: 76px;
  --sans: Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scrollbar-gutter: stable; scroll-padding-top: calc(var(--header-h) + 12px); }
@media (prefers-reduced-motion: no-preference) { html.loaded { scroll-behavior: smooth; } }
body {
  margin: 0;
  color: var(--body);
  background: radial-gradient(circle at 50% -10%, rgba(102, 229, 255, .07), transparent 32%), var(--bg);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  word-break: keep-all;
  overflow-wrap: break-word;
}
:where(h1, h2, h3, h4) { color: var(--text); text-wrap: balance; }
:where(p, li) { text-wrap: pretty; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
::selection { color: var(--ink); background: rgba(102, 229, 255, .85); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.nowrap { white-space: nowrap; }
.skip-link { position: fixed; top: 10px; left: 10px; z-index: 100; padding: 10px 14px; border-radius: 10px; color: var(--ink); background: var(--accent); font-weight: 650; transform: translateY(-160%); transition: transform .2s; }
.skip-link:focus { transform: none; }
.wrap { width: var(--page); margin: 0 auto; }

/* ───────────── Buttons (Arch pill buttons) ───────────── */
.btn {
  min-height: 54px;
  padding: 0 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 650;
  line-height: 1.2;
  white-space: nowrap;
  cursor: pointer;
  transition: transform .2s, box-shadow .2s, background .2s, color .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: #0b0b0c; background: #f5f5f6; }
.btn-primary:hover { box-shadow: 0 10px 30px rgba(255, 255, 255, .13); }
.btn-outline { color: var(--text); background: var(--surface); box-shadow: inset 0 0 0 1px var(--line); }
.btn-outline:hover { background: var(--surface-strong); box-shadow: inset 0 0 0 1px rgba(102, 229, 255, .45); }
.btn-sm { min-height: 44px; padding: 0 20px; font-size: 15px; }
.text-link { display: inline-flex; align-items: center; gap: 6px; color: var(--accent-light); font-weight: 650; }
.text-link:hover { color: #fff; }

/* ───────────── Header ───────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(5, 6, 6, .86);
  border-bottom: 1px solid transparent;
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  transition: border-color .2s;
}
.site-header.scrolled { border-bottom-color: var(--line-soft); }
.nav { width: var(--page); height: var(--header-h); margin: 0 auto; display: flex; align-items: center; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-size: 19px; font-weight: 700; letter-spacing: .01em; }
.brand img { width: 28px; height: 28px; }
.nav-links { display: flex; align-items: center; gap: 30px; margin-left: auto; }
.nav-links a { color: #b5b5ba; font-size: 14px; font-weight: 500; transition: color .2s; }
.nav-links a:hover, .nav-links a[aria-current="true"] { color: #fff; }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.nav-links + .nav-actions { margin-left: 6px; }
.nav-ax {
  min-height: 44px;
  padding: 0 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  color: var(--accent-light);
  background: rgba(102, 229, 255, .06);
  box-shadow: inset 0 0 0 1px rgba(102, 229, 255, .38);
  font-size: 14px;
  font-weight: 700;
  transition: background .2s, box-shadow .2s, transform .2s;
}
.nav-ax small { color: #8fdcec; font-size: 13px; font-weight: 500; }
.nav-ax:hover { transform: translateY(-1px); background: rgba(102, 229, 255, .12); box-shadow: inset 0 0 0 1px rgba(102, 229, 255, .65); }
.nav-ax[aria-current="page"] { color: var(--ink); background: var(--accent); box-shadow: none; }
.nav-ax[aria-current="page"] small { color: #0b3a44; }
.nav-menu { position: relative; display: none; }
.nav-menu summary {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--line);
  list-style: none;
  cursor: pointer;
}
.nav-menu summary::-webkit-details-marker { display: none; }
.nav-menu-icon, .nav-menu-icon::before, .nav-menu-icon::after { display: block; width: 16px; height: 1.6px; border-radius: 2px; background: #e9eaec; transition: transform .2s, background .2s; }
.nav-menu-icon { position: relative; }
.nav-menu-icon::before, .nav-menu-icon::after { content: ""; position: absolute; left: 0; }
.nav-menu-icon::before { top: -5px; }
.nav-menu-icon::after { top: 5px; }
.nav-menu[open] .nav-menu-icon { background: transparent; }
.nav-menu[open] .nav-menu-icon::before { transform: translateY(5px) rotate(45deg); }
.nav-menu[open] .nav-menu-icon::after { transform: translateY(-5px) rotate(-45deg); }
.nav-menu-panel {
  position: absolute;
  top: 54px;
  right: 0;
  width: min(270px, calc(100vw - 32px));
  padding: 8px;
  display: grid;
  gap: 2px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #0a0c0d;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .55);
}
.nav-menu-panel a { min-height: 46px; padding: 0 14px; display: flex; align-items: center; justify-content: space-between; border-radius: 10px; color: #c4c6ca; font-size: 15px; }
.nav-menu-panel a:hover, .nav-menu-panel a:focus-visible { color: #fff; background: rgba(255, 255, 255, .06); }
.nav-menu-panel .nav-menu-cross { margin-top: 4px; color: var(--accent-light); box-shadow: inset 0 0 0 1px rgba(102, 229, 255, .3); }

/* ───────────── Section scaffolding ───────────── */
.band { position: relative; padding: 140px 0; }
.band-2 { background: var(--bg-2); border-block: 1px solid var(--line-soft); }
.h-section {
  margin: 0;
  font-size: clamp(38px, 5.2vw, 68px);
  font-weight: 650;
  line-height: 1.16;
  letter-spacing: -.05em;
}
.h-section .tone { display: block; color: var(--accent); }
.lead { max-width: 640px; margin: 28px 0 0; color: var(--muted); font-size: clamp(17px, 1.8vw, 20px); line-height: 1.7; letter-spacing: -.015em; text-wrap: balance; }
.lead strong { color: var(--text); font-weight: 650; }
.section-top { display: flex; justify-content: space-between; align-items: end; gap: 48px; margin-bottom: 64px; }
.section-top .lead { margin: 0; max-width: 460px; }
.section-top.is-stacked { display: block; }
.section-top.is-stacked .lead { max-width: 720px; margin-top: 26px; }
mark, .hl {
  color: var(--text);
  background: linear-gradient(transparent 60%, rgba(102, 229, 255, .26) 60%, rgba(102, 229, 255, .26) 94%, transparent 94%);
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}
.scribble { position: relative; display: inline-block; white-space: nowrap; }
.scribble svg { position: absolute; left: -2%; bottom: -.2em; width: 104%; height: .3em; overflow: visible; pointer-events: none; }
.scribble path { fill: none; stroke: var(--accent); stroke-width: 5; stroke-linecap: round; }
.tilt { display: inline-block; color: var(--accent); transform: translateY(.12em) rotate(-3deg); transform-origin: 30% 60%; }

/* ───────────── Product windows ───────────── */
.window {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 18px;
  background: #0b0d0e;
  box-shadow: 0 30px 70px rgba(0, 0, 0, .6);
}
.window-bar { height: 32px; display: flex; align-items: center; gap: 6px; padding: 0 14px; background: #0b0d0e; border-bottom: 1px solid rgba(255, 255, 255, .06); }
.window-bar i { width: 9px; height: 9px; border-radius: 50%; background: rgba(255, 255, 255, .16); }
.window-bar span { margin-left: 10px; color: #7d8285; font-size: 12px; font-weight: 500; }
.window.is-light { border-color: rgba(255, 255, 255, .5); background: #f4f5f7; }
.window.is-light .window-bar { background: #eceef1; border-bottom-color: #e0e3e8; }
.window.is-light .window-bar i { background: #c9cdd3; }
.window.is-light .window-bar span { color: #6b7077; }
.window img { width: 100%; height: auto; }

/* ───────────── Hero ───────────── */
.hero { position: relative; padding: 72px 0 0; overflow: hidden; }
.hero::before {
  content: "";
  position: absolute;
  top: 2%;
  left: 50%;
  width: min(900px, 100vw);
  height: 560px;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(102, 229, 255, .14), transparent 63%);
  filter: blur(24px);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; text-align: center; }
/* Small labels stay typographic (an underlined link, plain text), never a filled chip. */
.hero-link { display: inline-flex; flex-wrap: wrap; justify-content: center; align-items: baseline; gap: 4px 12px; color: var(--muted); font-size: 15px; }
.hero-link-go { color: var(--text); font-weight: 600; border-bottom: 1px solid rgba(102, 229, 255, .6); padding-bottom: 2px; transition: color .2s, border-color .2s; }
.hero-link:hover .hero-link-go { color: var(--accent-light); border-color: var(--accent); }
.hero-title {
  margin: 36px auto 0;
  font-size: clamp(50px, 8.2vw, 112px);
  font-weight: 650;
  line-height: 1.08;
  letter-spacing: -.065em;
}
.hero-sub { max-width: 860px; margin: 34px auto 0; color: #a4a4aa; font-size: clamp(18px, 1.9vw, 22px); line-height: 1.75; letter-spacing: -.02em; }
.hero-sub strong { color: var(--text); font-size: 1.2em; font-weight: 650; letter-spacing: -.03em; white-space: nowrap; }
.hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 40px; }
.hero-stage {
  position: relative;
  height: clamp(360px, 40vw, 560px);
  margin-top: 72px;
  padding-top: 30px;
  overflow: hidden;
  /* The screenshots fade out at the fold instead of being cut by a hard edge. */
  -webkit-mask-image: linear-gradient(#000 72%, transparent);
  mask-image: linear-gradient(#000 72%, transparent);
}
.hero-main { width: 80%; margin: 0 auto; }
.hero-side { position: absolute; z-index: 2; right: 0; top: 34%; width: 36%; }

/* ───────────── Logo strip ───────────── */
.logo-strip { padding: 56px 0 72px; border-bottom: 1px solid var(--line-soft); }
.logo-strip p { margin: 0 0 26px; color: var(--muted); font-size: 14px; font-weight: 500; text-align: center; }
.logo-strip ul { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 28px 80px; margin: 0; padding: 0; list-style: none; }
.logo-strip img { height: 32px; width: auto; opacity: .7; }
.logo-strip .logo-linter { height: 36px; }
.logo-strip a { display: block; transition: opacity .2s; }
.logo-strip a:hover img { opacity: 1; }
.logo-word { color: #fff; font-size: 26px; font-weight: 650; letter-spacing: -.04em; opacity: .7; transition: opacity .2s; }
.logo-strip a.logo-word:hover { opacity: 1; }

/* ───────────── Home · About (belief) ───────────── */
.manifesto { max-width: 980px; margin: 56px 0 0; color: #c9cbcf; font-size: clamp(22px, 2.4vw, 30px); font-weight: 450; line-height: 1.7; letter-spacing: -.03em; }
.manifesto mark { font-weight: 600; }
.manifesto strong { color: var(--text); font-weight: 650; }

/* ───────────── Home · Story ───────────── */
.story-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 72px; align-items: start; }
.story-text p { margin: 0 0 22px; font-size: 18px; line-height: 1.8; letter-spacing: -.015em; }
.story-text p strong { color: var(--text); font-weight: 600; }
.story-text .h-section { margin-bottom: 44px; }
.story-visual { position: sticky; top: calc(var(--header-h) + 40px); display: grid; gap: 26px; padding-top: 12px; }
.story-visual .window:nth-child(2) { margin-left: 12%; }
.story-visual .note { position: relative; margin: 4px 0 0 4%; color: var(--accent-light); font-size: 18px; font-weight: 600; line-height: 1.45; letter-spacing: -.02em; }
.story-visual .note svg { width: 64px; height: 50px; margin: -4px 0 6px 30px; }
.story-visual .note path { fill: none; stroke: var(--accent); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.big-quote { margin: 120px 0 0; color: var(--text); font-size: clamp(34px, 4.8vw, 64px); font-weight: 650; line-height: 1.22; letter-spacing: -.05em; text-align: center; }
.big-quote em { font-style: normal; color: var(--accent); }
.proofs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; margin: 96px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.proofs li { padding: 32px 32px 0 0; }
.proofs li + li { padding-left: 32px; border-left: 1px solid var(--line); }
.proofs b { display: block; margin-bottom: 12px; color: var(--accent); font-size: 21px; font-weight: 650; letter-spacing: -.03em; }
.proofs p { margin: 0; font-size: 17px; line-height: 1.65; }

/* ───────────── Home · Services (bento) ───────────── */
.bento { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.tile {
  position: relative;
  min-height: 320px;
  padding: 36px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(145deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, .02));
  transition: transform .3s, border-color .3s, background .3s;
}
/* All four services carry the same weight; hover (or keyboard focus inside) brings in the key colour. */
.tile h3, .tile .tile-num { transition: color .3s; }
.tile:hover, .tile:focus-within { transform: translateY(-4px); border-color: rgba(102, 229, 255, .45); background: linear-gradient(145deg, rgba(102, 229, 255, .1), rgba(102, 229, 255, .02)); }
.tile:hover h3, .tile:focus-within h3, .tile:hover .tile-num, .tile:focus-within .tile-num { color: var(--accent); }
.tile:hover .tag { border-color: var(--accent); }
.tile-num { color: var(--muted); font-size: 14px; font-weight: 600; }
.tile h3 { margin: 10px 0 4px; font-size: 32px; font-weight: 650; letter-spacing: -.045em; line-height: 1.1; }
.tile .sub { margin: 0 0 24px; color: var(--muted); font-size: 15px; }
.tile ul { display: grid; gap: 18px; margin: 0; padding: 0; list-style: none; }
.tile li h4 { margin: 0 0 4px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 17px; font-weight: 650; letter-spacing: -.02em; }
.tile li p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.6; }
.tag { display: inline-flex; padding: 1px 6px; border: 1px solid rgba(102, 229, 255, .5); border-radius: 4px; color: var(--accent-light); font-size: 12px; font-weight: 600; line-height: 1.5; }

/* ───────────── Home · AX (its own section above Contact) ───────────── */
.ax-feature { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 72px; align-items: center; }
.ax-feature .lead { margin-top: 24px; }
.ax-points { display: grid; gap: 10px; margin: 32px 0 0; padding: 0; list-style: none; }
.ax-points li { display: flex; align-items: center; gap: 14px; padding: 14px 18px; border-radius: 16px; background: var(--surface); box-shadow: inset 0 0 0 1px var(--line-soft); color: var(--text); font-size: 16px; font-weight: 550; }
.ax-points b { color: var(--accent); font-size: 14px; font-weight: 650; }
.ax-feature .btn { margin-top: 32px; }
.ax-feature-shot { box-shadow: 0 30px 70px rgba(0, 0, 0, .6), 0 0 0 1px rgba(102, 229, 255, .18); }

/* ───────────── Home · Clients ───────────── */
.clients { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.client { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: 24px; background: linear-gradient(145deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, .02)); overflow: hidden; transition: transform .3s, border-color .3s; }
.client:hover { transform: translateY(-4px); border-color: rgba(102, 229, 255, .3); }
.client-shot { aspect-ratio: 16 / 10; overflow: hidden; border-bottom: 1px solid var(--line-soft); background: #0b0d0e; }
.client-shot img { width: 100%; height: 100%; object-fit: cover; object-position: top left; }
.client-shot.is-dark { background: #000; }
.client-shot.is-dark img { object-fit: contain; object-position: center; }
.client-shot.is-light { background: #fff; }
.client-shot.is-photo { background: #e2dacd; }
.client-shot.is-photo img { object-position: 58% 42%; }
.client-body { flex: 1; padding: 28px; display: flex; flex-direction: column; }
.client-body .row { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 14px; }
.client-body .row img { height: 24px; width: auto; opacity: .85; }
.client-body .row-word { color: #d8d9dc; font-size: 13px; font-weight: 600; letter-spacing: .22em; }
.client-body .row .logo-linter { height: 28px; }
.client-body h3 { margin: 0 0 6px; font-size: 24px; font-weight: 650; letter-spacing: -.035em; }
.client-body .category { margin: 0 0 16px; color: var(--muted); font-size: 14px; }
.client-body p.story { margin: 0 0 24px; font-size: 15px; line-height: 1.75; }
.client-body .text-link { margin-top: auto; align-self: flex-start; font-size: 14px; }

/* ───────────── Home · Process ───────────── */
.steps { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.step { display: grid; grid-template-columns: 140px minmax(0, 1.1fr) minmax(0, 1fr); gap: 40px; padding: 40px 0; border-bottom: 1px solid var(--line); }
.step-num { color: var(--accent); font-size: 64px; font-weight: 600; line-height: .9; letter-spacing: -.06em; }
.step h3 { margin: 0 0 12px; font-size: 26px; font-weight: 650; letter-spacing: -.04em; line-height: 1.3; }
.step p { margin: 0; font-size: 16px; line-height: 1.75; }
.roles { display: grid; gap: 12px; margin: 0; align-content: start; }
.roles div { padding: 16px 18px; border-radius: 16px; background: var(--surface); box-shadow: inset 0 0 0 1px var(--line-soft); }
.roles dt { margin-bottom: 4px; color: var(--accent); font-size: 13px; font-weight: 650; }
.roles div:nth-child(2) dt { color: var(--text); }
.roles dd { margin: 0; color: var(--body); font-size: 15px; line-height: 1.6; }

/* ───────────── Final CTA ───────────── */
.final { text-align: center; }
.final-box {
  position: relative;
  padding: 100px 48px 56px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 34px;
  background: radial-gradient(circle at 50% 125%, rgba(102, 229, 255, .26), transparent 55%), #0c0f10;
}
.final-title { margin: 0; font-size: clamp(52px, 9vw, 124px); font-weight: 650; line-height: 1.02; letter-spacing: -.065em; }
.final .lead { margin: 28px auto 0; }
.final-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 38px; }
.final-mail { margin: 22px 0 0; color: var(--muted); font-size: 15px; }
.final-mail a { color: var(--text); border-bottom: 1px solid rgba(255, 255, 255, .3); }
.final-mail a:hover { color: var(--accent-light); border-color: var(--accent); }

/* ───────────── Footer ───────────── */
.site-footer { padding: 96px 0 44px; border-top: 1px solid var(--line-soft); }
.footer-top { display: grid; grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(0, .6fr)); gap: 40px; padding-bottom: 56px; }
.footer-brand p { max-width: 420px; margin: 16px 0 0; color: var(--muted); font-size: 14px; line-height: 1.7; text-wrap: balance; }
.footer-col h3 { margin: 0 0 16px; color: #8b8b93; font-size: 12px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; }
.footer-col ul { display: grid; gap: 4px; margin: 0; padding: 0; list-style: none; }
.footer-col a { display: inline-block; padding: 5px 0; color: #a6a6ac; font-size: 14px; }
.footer-col a:hover { color: #fff; }
.business { padding-top: 32px; border-top: 1px solid var(--line); color: #9a9aa1; font-size: 13px; line-height: 1.6; }
.business dl { display: flex; flex-wrap: wrap; gap: 8px 28px; margin: 0 0 8px; }
.business dl > div { display: flex; gap: 10px; }
.business dt { color: #8b8b93; }
.business dd { margin: 0; color: #c4c4c9; }
.business a { color: #d6d6da; text-decoration: underline; text-underline-offset: 3px; }
.business a:hover { color: #fff; }
.copyright { margin: 24px 0 0; color: #8b8b93; font-size: 13px; }

/* ───────────── AX page ───────────── */
.ax-hero .hero-title { font-size: clamp(40px, 6.6vw, 92px); }
.ax-hero .hero-main { width: 84%; }
.is-ax .final-title { font-size: clamp(40px, 6.6vw, 88px); line-height: 1.12; }
.ax-question { margin: 0 0 22px; color: var(--accent-light); font-size: clamp(17px, 1.8vw, 20px); font-weight: 600; }
.ax-workboard { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 64px; }
.wb-col { padding: 24px; border-radius: 24px; border: 1px solid var(--line); background: linear-gradient(145deg, rgba(255, 255, 255, .055), rgba(255, 255, 255, .02)); }
.wb-col h3 { margin: 0 0 18px; display: flex; justify-content: space-between; align-items: center; font-size: 17px; font-weight: 650; }
.wb-col h3 span { color: var(--muted); font-size: 12px; font-weight: 600; letter-spacing: .12em; }
.wb-col ul { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
.wb-col li { padding: 13px 16px; border-radius: 14px; background: rgba(255, 255, 255, .045); color: var(--body); font-size: 15px; line-height: 1.45; }
.wb-col.is-ai { border-color: rgba(102, 229, 255, .4); background: linear-gradient(145deg, rgba(102, 229, 255, .12), rgba(102, 229, 255, .03)); }
.wb-col.is-ai h3 { color: var(--accent-light); }
.wb-col.is-ai h3 span { color: var(--accent); }
.wb-col.is-ai li { color: #e6fbff; background: rgba(102, 229, 255, .1); box-shadow: inset 0 0 0 1px rgba(102, 229, 255, .16); }
.wb-col.is-human li { color: var(--text); }
.wb-note { margin: 18px 0 0; color: var(--muted); font-size: 14px; }
.pillars { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; margin: 96px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.pillars li { padding: 32px 32px 0 0; }
.pillars li + li { padding-left: 32px; border-left: 1px solid var(--line); }
.pillars .n { color: var(--accent); font-size: 44px; font-weight: 600; line-height: 1; letter-spacing: -.06em; }
.pillars h3 { margin: 18px 0 12px; font-size: 23px; font-weight: 650; letter-spacing: -.035em; }
.pillars p { margin: 0; font-size: 16px; line-height: 1.75; }
.case-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 56px; align-items: start; margin-top: 64px; }
.case-lists { display: grid; gap: 16px; }
.case-list { padding: 26px; border-radius: 24px; border: 1px solid var(--line); background: linear-gradient(145deg, rgba(255, 255, 255, .055), rgba(255, 255, 255, .02)); }
.case-list h3 { margin: 0 0 16px; display: flex; align-items: center; gap: 10px; font-size: 17px; font-weight: 650; }
.case-list h3 span { color: var(--muted); font-size: 12px; font-weight: 600; letter-spacing: .12em; }
.case-list ol { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; counter-reset: c; }
.case-list li { position: relative; padding: 0 0 0 36px; color: var(--body); font-size: 16px; line-height: 1.55; counter-increment: c; }
.case-list li::before { content: counter(c); position: absolute; left: 0; top: 1px; width: 24px; height: 24px; display: grid; place-items: center; border-radius: 999px; color: #d8d9dc; background: rgba(255, 255, 255, .08); font-size: 12px; font-weight: 650; }
.case-list.is-after { border-color: transparent; background: linear-gradient(150deg, var(--accent-light), var(--accent)); }
.case-list.is-after h3, .case-list.is-after li { color: var(--ink); }
.case-list.is-after h3 span { color: #0b3a44; }
.case-list.is-after li { font-weight: 550; }
.case-list.is-after li::before { color: var(--accent-light); background: var(--ink); }
.case-visual { position: relative; }
.case-foot { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px 32px; margin-top: 40px; padding-top: 28px; border-top: 1px solid var(--line); color: var(--muted); font-size: 15px; }
.case-foot p { max-width: 760px; margin: 0; }
.case-foot .patent { color: var(--text); font-weight: 600; }
.accordion { margin-top: 64px; border-top: 1px solid var(--line); }
.acc-item { border-bottom: 1px solid var(--line); }
.acc-item summary { min-height: 96px; display: grid; grid-template-columns: 90px minmax(0, 1fr) auto 36px; align-items: center; gap: 20px; padding: 20px 0; list-style: none; cursor: pointer; }
.acc-item summary::-webkit-details-marker { display: none; }
.acc-num { color: var(--muted); font-size: 36px; font-weight: 600; letter-spacing: -.06em; line-height: 1; transition: color .2s; }
.acc-title { color: var(--text); font-size: clamp(20px, 2.1vw, 26px); font-weight: 650; letter-spacing: -.04em; }
.acc-tag { color: var(--muted); font-size: 12px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; white-space: nowrap; }
.acc-icon { position: relative; width: 36px; height: 36px; border-radius: 999px; box-shadow: inset 0 0 0 1px var(--line); }
.acc-icon::before, .acc-icon::after { content: ""; position: absolute; top: 50%; left: 50%; width: 13px; height: 1.6px; background: #cfd1d4; transform: translate(-50%, -50%); transition: transform .3s; }
.acc-icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.acc-item[open] .acc-num { color: var(--accent); }
.acc-item[open] .acc-icon { background: var(--accent); box-shadow: none; }
.acc-item[open] .acc-icon::before, .acc-item[open] .acc-icon::after { background: var(--ink); }
.acc-item[open] .acc-icon::after { transform: translate(-50%, -50%) rotate(0deg); }
.acc-item summary:hover .acc-title { color: #fff; }
.acc-body { padding: 0 56px 32px 110px; }
.acc-body p { max-width: 760px; margin: 0; color: #a9abb0; font-size: 17px; line-height: 1.8; }

/* ───────────── Reveal ───────────── */
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.js .reveal.visible { opacity: 1; transform: none; }

@media (forced-colors: active) {
  .nav-menu-icon, .nav-menu-icon::before, .nav-menu-icon::after, .acc-icon::before, .acc-icon::after { forced-color-adjust: none; background: CanvasText; }
  .nav-menu[open] .nav-menu-icon { background: transparent; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-delay: 0s !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; transition-delay: 0s !important; }
  .js .reveal { opacity: 1; transform: none; }
}

/* ───────────── Responsive ───────────── */
@media (max-width: 1080px) {
  .nav-links { display: none; }
  .nav-links + .nav-actions { margin-left: auto; }
  .nav-menu { display: block; }
  .section-top { display: block; margin-bottom: 52px; }
  .section-top .lead { margin-top: 24px; max-width: 640px; }
  .story-grid, .case-grid, .ax-feature { grid-template-columns: 1fr; gap: 56px; }
  .story-visual { position: static; }
  .clients { grid-template-columns: 1fr; }
  .client { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); }
  .client-shot { aspect-ratio: auto; min-height: 100%; border-bottom: 0; border-right: 1px solid var(--line-soft); }
  .step { grid-template-columns: 100px minmax(0, 1fr); }
  .step .roles { grid-column: 2; }
  .footer-top { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 760px) {
  .ax-workboard { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  :root { --page: calc(100% - 32px); --header-h: 64px; }
  body { font-size: 16px; }
  .band { padding: 96px 0; }
  .nav { gap: 12px; }
  .brand { font-size: 17px; }
  .nav-actions { gap: 8px; margin-left: auto; }
  .nav-ax { min-height: 40px; padding: 0 12px; }
  .nav-ax small { display: none; }
  .nav-actions .btn-sm { min-height: 40px; padding: 0 15px; font-size: 14px; }
  .nav-menu summary { width: 40px; height: 40px; }
  .nav-menu-panel { top: 50px; }
  .hero { padding-top: 48px; }
  .hero-link { font-size: 14px; }
  .hero-title { margin-top: 30px; font-size: clamp(44px, 15vw, 68px); line-height: 1.12; }
  .ax-hero .hero-title { font-size: clamp(34px, 10.2vw, 44px); }
  .hero-sub br { display: none; }
  .hero-actions .btn { flex: 1 1 100%; }
  .hero-stage { height: 340px; margin-top: 48px; padding-top: 46px; }
  .hero-main, .ax-hero .hero-main { width: 100%; }
  .hero-side { width: 62%; right: -6%; top: 46%; }
  .section-top { margin-bottom: 44px; }
  .section-top .lead { margin-top: 22px; }
  .h-section { font-size: clamp(32px, 9vw, 42px); }
  .h-section br { display: none; }
  .story-text p { font-size: 17px; }
  .story-visual .window:nth-child(2) { margin-left: 6%; }
  .big-quote { margin-top: 80px; text-align: left; }
  .proofs, .pillars { grid-template-columns: 1fr; margin-top: 64px; }
  .proofs li, .proofs li + li, .pillars li, .pillars li + li { padding: 26px 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .ax-feature .btn { width: 100%; }
  .bento { grid-template-columns: 1fr; }
  .client { display: flex; }
  .client-shot { aspect-ratio: 16 / 10; min-height: 0; border-right: 0; border-bottom: 1px solid var(--line-soft); }
  .final-actions .btn { flex: 1 1 100%; }
  .tile { min-height: 0; padding: 26px; }
  .tile h3 { font-size: 28px; }
  .step { grid-template-columns: 1fr; gap: 18px; padding: 32px 0; }
  .step .roles { grid-column: auto; }
  .step-num { font-size: 52px; }
  .step h3 { font-size: 23px; }
  .final-box { padding: 72px 20px 24px; border-radius: 26px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-col:last-child { grid-column: 1 / -1; }
  .business dl { display: grid; gap: 6px; }
  .acc-item summary { grid-template-columns: 50px minmax(0, 1fr) 32px; gap: 12px; min-height: 80px; }
  .acc-num { font-size: 28px; }
  .acc-tag { display: none; }
  .acc-icon { width: 32px; height: 32px; }
  .acc-body { padding: 0 4px 26px 62px; }
  .logo-strip ul { gap: 24px 44px; }
  .logo-strip img { height: 26px; }
  .logo-strip .logo-linter { height: 30px; }
  .logo-word { font-size: 22px; }
}
@media (max-width: 600px) {
  /* Phones: the two product windows stack, so the Linter screen stays readable. */
  .hero-stage { height: auto; overflow: visible; display: flex; flex-direction: column; padding-bottom: 8px; -webkit-mask-image: none; mask-image: none; }
  .hero-main, .ax-hero .hero-main { width: 94%; }
  .hero-side { position: relative; top: auto; right: auto; align-self: flex-end; width: 86%; margin-top: -36px; }
  .hero { padding-bottom: 8px; }
}
@media (max-width: 380px) {
  .nav-actions .btn-sm .cta-long { display: none; }
  .nav-ax { padding: 0 10px; }
}