/* =====================================================================
   MHResearch — design system
   Monotone (white / graphite / black), Pretendard, large typography,
   restrained motion. Reference tone: kakaocorp.com/page
   ===================================================================== */

/* ---------- tokens ---------- */
:root {
  /* brand (design brief 2026.09): navy-anchored monotone */
  --bg: #FFFFFF;
  --bg-2: #F5F5F2;          /* warm white */
  --bg-3: #ECECE7;
  --ink: #081D2C;           /* brand navy */
  --ink-2: #33414B;         /* body */
  --ink-3: #5F6C75;
  --ink-4: #B8C6CB;         /* dot light */
  --line: rgba(8,29,44,.12);
  --line-2: rgba(8,29,44,.26);
  --dark: #081D2C;
  --dark-2: #102431;        /* deep ink */
  --dark-ink-2: #C7D0D5;
  --dark-ink-3: #7F8E97;
  --dark-line: rgba(255,255,255,.14);

  --r-sm: 2px;
  --r-md: 4px;
  --r-lg: 6px;

  --container: 1280px;
  --gutter: 40px;
  --header-h: 76px;
  --header-h-s: 60px;

  --font: "Pretendard Variable", Pretendard, Inter, -apple-system, BlinkMacSystemFont,
          system-ui, Roboto, "Helvetica Neue", "Segoe UI", "Apple SD Gothic Neo",
          "Noto Sans KR", "Malgun Gothic", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --ease: cubic-bezier(.2,.7,.2,1);
  --dur: .5s;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h-s) + 24px); }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  word-break: keep-all;
  overflow-wrap: break-word;
  letter-spacing: -0.01em;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
input, select, textarea { font: inherit; color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p, figure { margin: 0; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
.section--dark :focus-visible, .featured :focus-visible, .cta :focus-visible, .split__col--dark :focus-visible, .mobile-nav :focus-visible { outline-color: #fff; }
.skip { position: absolute; left: 16px; top: -100px; z-index: 1000; background: var(--ink); color: #fff; padding: 10px 16px; border-radius: var(--r-sm); font-weight: 600; font-size: 14px; }
.skip:focus-visible { top: 12px; outline-color: #fff; }
::selection { background: var(--ink); color: #fff; }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* ---------- layout ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.container--narrow { max-width: 920px; }
main { display: block; }
.section { padding: 150px 0; }
.section--tight { padding: 100px 0; }
.section--flush-top { padding-top: 0; }
.section--tile { background: var(--bg-2); }
.section--dark { background: var(--dark); color: #fff; }
.section--dark .eyebrow { color: var(--dark-ink-3); }
.section--dark .eyebrow b, .featured__body .eyebrow b { color: #fff; }
.section--dark .eyebrow b::after { color: var(--dark-ink-3); }
.section--dark .lead, .section--dark .body { color: var(--dark-ink-2); }

/* ---------- type ---------- */
.eyebrow {
  font-family: var(--mono); font-size: 12px; font-weight: 500; letter-spacing: .10em; text-transform: uppercase;
  color: var(--ink-3); margin-bottom: 22px;
}
.eyebrow b { font-weight: 500; color: var(--ink); margin-right: 14px; }
.eyebrow b::after { content: "/"; margin-left: 14px; color: var(--ink-4); }
.display {
  font-size: clamp(44px, 6.2vw, 92px); line-height: 1.02; font-weight: 700;
  letter-spacing: -0.04em; text-wrap: balance;
}
.display--xl { font-size: clamp(56px, 9vw, 136px); letter-spacing: -0.045em; }
.h1 { font-size: clamp(40px, 5.2vw, 76px); line-height: 1.06; font-weight: 700; letter-spacing: -0.035em; text-wrap: balance; }
.h2 { font-size: clamp(32px, 3.9vw, 56px); line-height: 1.1; font-weight: 700; letter-spacing: -0.03em; text-wrap: balance; }
.h3 { font-size: clamp(22px, 2.2vw, 30px); line-height: 1.25; font-weight: 700; letter-spacing: -0.02em; }
.h4 { font-size: 20px; line-height: 1.35; font-weight: 700; letter-spacing: -0.015em; }
.lead { font-size: clamp(18px, 1.5vw, 22px); line-height: 1.6; color: var(--ink-2); text-wrap: pretty; }
.body { font-size: 17px; line-height: 1.75; color: var(--ink-2); text-wrap: pretty; }
.small { font-size: 14px; line-height: 1.6; color: var(--ink-3); }
.muted { color: var(--ink-3); }
.en { letter-spacing: -0.02em; }
.clause { display: inline-block; }
.nb { white-space: nowrap; }
br.sb { display: inline !important; }   /* sentence break: kept at every width */
.hero__copy .lead { max-width: 480px; }
.hero--page .lead { max-width: 560px; }
.index__d, .problem__q, .feature p, .why__i p, .svc__d, .work__d, .insight__s, .flow__step p { text-wrap: pretty; }

.sec-head { max-width: 860px; margin-bottom: 72px; }
.sec-head .lead { margin-top: 24px; max-width: 640px; }
.sec-head--split { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; max-width: none; align-items: end; }
.sec-head--split .lead { margin-top: 0; }
.sec-head--center { text-align: center; margin-left: auto; margin-right: auto; }
.sec-head--center .lead { margin-left: auto; margin-right: auto; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  height: 52px; padding: 0 26px; border-radius: var(--r-sm);
  font-size: 15px; font-weight: 600; letter-spacing: -0.01em; white-space: nowrap;
  background: var(--ink); color: #fff; border: 1px solid var(--ink);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.btn:hover { background: var(--dark-2); border-color: var(--dark-2); }
.btn:active { transform: scale(.98); }
.btn svg { width: 16px; height: 16px; transition: transform var(--dur) var(--ease); }
.btn:hover svg { transform: translateX(3px); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line-2); }
.btn--ghost:hover { background: var(--bg-2); border-color: var(--ink); }
.btn--outline-white:hover { background: rgba(255,255,255,.12); }
.btn--white { background: #fff; color: var(--ink); border-color: #fff; }
.btn--white:hover { background: var(--bg-3); border-color: var(--bg-3); }
.btn--outline-white { background: transparent; color: #fff; border-color: rgba(255,255,255,.35); }
.btn--outline-white:hover { border-color: #fff; background: rgba(255,255,255,.06); }
.btn--lg { height: 60px; padding: 0 32px; font-size: 16px; }
.btn--sm { height: 42px; padding: 0 18px; font-size: 14px; }
.btn[disabled] { opacity: .4; cursor: not-allowed; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

.link {
  display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 15px;
  border-bottom: 1px solid transparent; transition: border-color var(--dur) var(--ease);
}
.link:hover { border-color: currentColor; }
.link svg { width: 14px; height: 14px; transition: transform var(--dur) var(--ease); }
.link:hover svg { transform: translate(2px,-2px); }

/* ---------- chips / tabs ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-flex; align-items: center; justify-content: center;
  height: 40px; padding: 0 18px; border-radius: var(--r-sm); border: 1px solid var(--line-2);
  font-size: 14px; font-weight: 500; color: var(--ink-2); background: #fff; line-height: 1;
  transition: all var(--dur) var(--ease);
}
.chips--keys { gap: 10px; }
.chips--keys .chip { min-width: 120px; height: 46px; font-family: var(--mono); font-size: 13px; letter-spacing: .06em; color: var(--ink); }
.chip:hover { border-color: var(--ink); color: var(--ink); }
.chips--keys .chip { cursor: default; }
.chips--keys .chip:hover { border-color: var(--line-2); }
.chip.is-active, .chip[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }

.tabs { display: inline-flex; gap: 0; border-bottom: 1px solid var(--line); }
.tab {
  position: relative; padding: 0 4px 18px; margin-right: 40px;
  font-size: 22px; font-weight: 700; letter-spacing: -0.02em; color: var(--ink-3);
  transition: color var(--dur) var(--ease);
}
.tab:last-child { margin-right: 0; }
.tab::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--ink); transform: scaleX(0); transform-origin: left; transition: transform var(--dur) var(--ease); }
.tab:hover { color: var(--ink-2); }
.tab[aria-selected="true"] { color: var(--ink); }
.tab[aria-selected="true"]::after { transform: scaleX(1); }
.tab__count { font-size: 13px; font-weight: 600; color: var(--ink-3); margin-left: 8px; vertical-align: super; }

/* ---------- header ---------- */
.header {
  position: sticky; top: 0; z-index: 50;
  height: var(--header-h); background: rgba(255,255,255,.88);
  backdrop-filter: saturate(160%) blur(12px); -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: height var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.header.is-stuck { height: var(--header-h-s); border-color: var(--line); }
.header__in { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand__sym { height: 30px; width: auto; }
.brand__wm { height: 17px; width: auto; }
.brand--white .brand__sym, .brand--white .brand__wm { filter: none; }
.nav { display: flex; align-items: center; gap: 36px; }
.nav a { font-size: 15px; font-weight: 500; color: var(--ink-2); position: relative; padding: 6px 0; transition: color var(--dur) var(--ease); }
.nav a::after { content: ""; position: absolute; left: 0; bottom: 0; height: 1.5px; width: 100%; background: var(--ink); transform: scaleX(0); transform-origin: left; transition: transform var(--dur) var(--ease); }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }
.nav a[aria-current="page"]::after, .nav a:hover::after { transform: scaleX(1); }
.nav a.nav__hi { font-weight: 700; color: var(--ink); }
.nav a.nav__hi::before { content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--ink); margin-right: 8px; vertical-align: 2px; }
.header__cta { display: flex; align-items: center; gap: 14px; }
.nav-toggle { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; margin-right: -10px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); position: relative; transition: transform var(--dur) var(--ease), background var(--dur) var(--ease); }
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 0; width: 22px; height: 2px; background: var(--ink); transition: transform var(--dur) var(--ease), top var(--dur) var(--ease); }
.nav-toggle span::before { top: -7px; } .nav-toggle span::after { top: 7px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { top: 0; transform: rotate(-45deg); }

.mobile-nav { display: none; }

/* ---------- hero ---------- */
.hero { padding: 96px 0 110px; position: relative; overflow: hidden; }
.hero--home { min-height: calc(88vh - var(--header-h)); display: flex; align-items: center; padding: 60px 0 90px; }
.hero__grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: center; }
.hero__copy .display { margin-bottom: 30px; }
.hero__copy .lead { max-width: 520px; margin-bottom: 40px; }
.hero__tag { display: inline-flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 600; color: var(--ink-2); margin-bottom: 40px; }
.hero__tag i { width: 8px; height: 8px; border-radius: 50%; background: var(--ink); }
.hero__tag b { font-weight: 700; }
.hero--page { padding: 110px 0 96px; border-bottom: 1px solid var(--line); }
.hero--page .display { max-width: 1100px; }
.hero--page .lead { margin-top: 28px; max-width: 620px; }
.hero--center { text-align: center; }
.hero--center .display, .hero--center .lead { margin-left: auto; margin-right: auto; }

/* dot grid motif (Kakao halftone nod) */
.dots {
  position: absolute; inset: auto -10% -10% auto; width: 62%; height: 70%; pointer-events: none; z-index: 0;
  background-image: radial-gradient(circle, var(--ink-4) 1.15px, transparent 1.3px);
  background-size: 14px 14px;
  -webkit-mask-image: radial-gradient(ellipse at 70% 60%, #000 20%, transparent 68%);
          mask-image: radial-gradient(ellipse at 70% 60%, #000 20%, transparent 68%);
  opacity: .55;
}
.dots--dark { background-image: radial-gradient(circle, rgba(184,198,203,.6) 1.15px, transparent 1.3px); opacity: .3; }
.hero > .container, .section > .container { position: relative; z-index: 1; }

/* ---------- Advisor AI product UI (CSS mock) ---------- */
.ui {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-md);
  box-shadow: 0 30px 80px -30px rgba(0,0,0,.18), 0 2px 6px rgba(0,0,0,.04);
  overflow: hidden; font-size: 13px; line-height: 1.5; color: var(--ink-2);
}
.ui__bar { height: 40px; display: flex; align-items: center; gap: 6px; padding: 0 14px; border-bottom: 1px solid var(--line); background: #FAFAFA; }
.ui__bar i { width: 9px; height: 9px; border-radius: 50%; background: var(--line-2); }
.ui__bar span { font-family: var(--mono); margin-left: auto; font-size: 11px; font-weight: 600; letter-spacing: .08em; color: var(--ink-3); text-transform: uppercase; }
.ui__body { display: grid; grid-template-columns: 150px 1fr; min-height: 420px; }
.ui__side { border-right: 1px solid var(--line); padding: 16px 12px; background: #FAFAFA; }
.ui__side b { font-family: var(--mono); display: block; font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); margin: 6px 0 10px; }
.ui__side span { display: block; padding: 7px 10px; border-radius: 6px; font-size: 12px; color: var(--ink-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ui__side span.is-on { background: #fff; color: var(--ink); font-weight: 600; box-shadow: 0 1px 2px rgba(0,0,0,.06); }
.ui__main { padding: 22px 24px; display: flex; flex-direction: column; gap: 14px; }
.ui__q { align-self: flex-end; max-width: 78%; background: var(--ink); color: #fff; padding: 10px 14px; border-radius: 12px 12px 2px 12px; }
.ui__a { max-width: 92%; background: var(--bg-2); padding: 14px 16px; border-radius: 12px 12px 12px 2px; }
.ui__a p + p { margin-top: 8px; }
.ui__cite { display: inline-flex; align-items: center; height: 18px; padding: 0 6px; margin-left: 4px; border-radius: 4px; background: #fff; border: 1px solid var(--line-2); font-size: 10px; font-weight: 700; color: var(--ink); vertical-align: 1px; }
.ui__chart { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.ui__card { border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; background: #fff; }
.ui__card b { font-family: var(--mono); display: block; font-size: 11px; color: var(--ink-3); font-weight: 600; margin-bottom: 8px; letter-spacing: .04em; text-transform: uppercase; }
.bars { display: flex; align-items: flex-end; gap: 6px; height: 64px; }
.bars i { flex: 1; background: var(--ink); border-radius: 3px 3px 0 0; height: calc(var(--v) * 1%); transform-origin: bottom; }
.bars i:nth-child(2n) { background: var(--ink-4); }
.ui--anim .bars i { animation: bar .9s var(--ease) both; animation-delay: calc(var(--i) * .07s + .9s); }
@keyframes bar { from { transform: scaleY(0); } to { transform: scaleY(1); } }
.ui__list li { display: flex; justify-content: space-between; gap: 10px; padding: 5px 0; border-bottom: 1px dashed var(--line); font-size: 12px; }
.ui__list li:last-child { border-bottom: 0; }
.ui__list li b { font-weight: 600; color: var(--ink); }
.ui__input { margin-top: auto; height: 40px; border: 1px solid var(--line-2); border-radius: 10px; display: flex; align-items: center; padding: 0 12px; gap: 8px; color: var(--ink-3); }
.ui__input i { width: 1px; height: 16px; background: var(--ink); animation: caret 1s steps(1) infinite; }
.ui__input span { margin-left: auto; width: 26px; height: 26px; border-radius: 6px; background: var(--ink); }
@keyframes caret { 50% { opacity: 0; } }
.ui--anim .ui__q, .ui--anim .ui__a, .ui--anim .ui__chart { animation: rise .7s var(--ease) both; }
.ui--anim .ui__q { animation-delay: .2s; } .ui--anim .ui__a { animation-delay: .55s; } .ui--anim .ui__chart { animation-delay: .85s; }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.ui--lg { font-size: 14px; }
.ui--lg .ui__body { grid-template-columns: 200px 1fr; min-height: 560px; }
.ui--lg .ui__main { padding: 32px 36px; gap: 18px; }
.ui--plain { box-shadow: none; }

/* ---------- trust ---------- */
.trust { padding: 40px 0 0; }
.trust__row { display: flex; align-items: center; gap: 40px; padding: 36px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.trust__label { font-family: var(--mono); flex: 0 0 auto; font-size: 13px; font-weight: 600; color: var(--ink-3); letter-spacing: .06em; text-transform: uppercase; }
.marquee { overflow: hidden; flex: 1; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee__track { display: flex; gap: 56px; width: max-content; animation: marquee 40s linear infinite; }
.marquee:hover .marquee__track, .marquee:focus-within .marquee__track { animation-play-state: paused; }
.marquee__track span { font-size: 16px; font-weight: 700; color: var(--ink-4); white-space: nowrap; letter-spacing: -0.01em; transition: color var(--dur) var(--ease); }
.marquee__track span:hover { color: var(--ink); }
@keyframes marquee { to { transform: translateX(-50%); } }
.marquee__track--logos { gap: 64px; align-items: center; animation-duration: 48s; }
.logo-item { display: inline-flex; align-items: center; height: 44px; }
.logo-item img { height: 36px; width: auto; max-width: 180px; object-fit: contain; filter: grayscale(1); opacity: .55; transition: filter var(--dur) var(--ease), opacity var(--dur) var(--ease); }
.logo-item:hover img { filter: none; opacity: 1; }
.logos--img .logo { height: 104px; padding: 18px 22px; }
.logos--img .logo img { max-height: 44px; max-width: 150px; width: auto; height: auto; object-fit: contain; filter: grayscale(1); opacity: .6; transition: filter var(--dur) var(--ease), opacity var(--dur) var(--ease); }
.logos--img .logo:hover img { filter: none; opacity: 1; }

.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 0; }
.kpi { padding: 40px 32px 40px 0; border-right: 1px solid var(--line); }
.kpi:last-child { border-right: 0; }
.kpi + .kpi { padding-left: 32px; }
.kpi__n { font-size: clamp(40px, 4.4vw, 64px); font-weight: 700; letter-spacing: -0.04em; line-height: 1; display: flex; align-items: baseline; gap: 2px; }
.kpi__n small { font-size: .5em; font-weight: 600; }
.kpi__l { font-family: var(--mono); margin-top: 12px; font-size: 14px; color: var(--ink-3); }

/* ---------- problem finder ---------- */
.problems { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.problem {
  position: relative; display: flex; flex-direction: column; justify-content: space-between; min-height: 260px;
  padding: 30px 30px 26px; border-radius: var(--r-md); background: var(--bg-2); overflow: hidden;
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.problem:hover { background: var(--ink); color: #fff; transform: translateY(-3px); }
.problem__n { font-family: var(--mono); font-size: 13px; font-weight: 600; color: var(--ink-3); letter-spacing: .06em; }
.problem__q { font-size: 22px; font-weight: 700; line-height: 1.35; letter-spacing: -0.02em; margin-top: 44px; transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease); }
.problem__s { position: absolute; left: 30px; right: 30px; bottom: 26px; display: flex; justify-content: space-between; align-items: center; font-size: 14px; font-weight: 600; opacity: 0; transform: translateY(10px); transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease); }
.problem__s b { font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--dark-ink-3); font-weight: 600; margin-right: 10px; }
.problem__s svg { width: 16px; height: 16px; }
.problem:hover .problem__q, .problem:focus-visible .problem__q { transform: translateY(-18px); }
.problem:hover .problem__s, .problem:focus-visible .problem__s { opacity: 1; transform: none; }
.problem:hover .problem__n, .problem:focus-visible .problem__n { color: var(--dark-ink-3); }

/* ---------- Advisor AI feature block (home) ---------- */
.advisor { position: relative; overflow: hidden; }
.advisor__grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 72px; align-items: center; }
.features { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid var(--dark-line); margin-top: 40px; }
.feature { padding: 26px 24px 26px 0; border-bottom: 1px solid var(--dark-line); }
.feature:nth-child(2n) { padding-left: 24px; border-left: 1px solid var(--dark-line); }
.feature b { display: block; font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.feature p { font-size: 14px; color: var(--dark-ink-2); line-height: 1.6; }
.feature small { font-family: var(--mono); display: block; font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--dark-ink-3); margin-bottom: 10px; font-weight: 600; }

/* ---------- services (numbered typography cards) ---------- */
.services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.svc {
  position: relative; min-height: 320px; padding: 32px 32px 28px; border-radius: var(--r-md);
  background: var(--bg-2); display: flex; flex-direction: column;
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.svc:hover { background: var(--bg-3); transform: translateY(-3px); }
.svc__n { font-family: var(--mono); font-size: 48px; font-weight: 500; letter-spacing: -0.04em; line-height: 1; color: var(--ink); }
.svc__en { font-family: var(--mono); margin-top: 10px; font-size: 12px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); }
.svc__t { margin-top: auto; font-size: 24px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.3; padding-top: 48px; }
.svc__d { margin-top: 10px; font-size: 15px; color: var(--ink-2); line-height: 1.6; }
.svc__go { position: absolute; top: 28px; right: 28px; width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--line-2); display: grid; place-items: center; transition: all var(--dur) var(--ease); }
.svc__go svg { width: 14px; height: 14px; }
.svc:hover .svc__go { background: var(--ink); border-color: var(--ink); color: #fff; transform: rotate(45deg); }

/* ---------- workflow ---------- */
.flow { position: relative; padding: 24px 0 0; }
.flow__track { position: relative; display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; }
.flow__line { position: absolute; left: 0; right: 0; top: 11px; height: 1px; background: var(--line); }
.flow__line i { display: block; height: 100%; width: 0; background: var(--ink); transition: width .1s linear; }
.flow__step { position: relative; padding-top: 34px; }
.flow__step::before { content: ""; position: absolute; top: 6px; left: 0; width: 11px; height: 11px; border-radius: 50%; background: #fff; border: 1.5px solid var(--line-2); transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease); }
.flow__step.is-on::before { background: var(--ink); border-color: var(--ink); transform: scale(1.25); }
.flow__step b, .flow__step p { transition: opacity var(--dur) var(--ease); }
.flow__step:not(.is-on) b { opacity: .45; } .flow__step:not(.is-on) p { opacity: .35; }
.flow__step small { font-family: var(--mono); display: block; font-size: 12px; font-weight: 600; letter-spacing: .08em; color: var(--ink-3); margin-bottom: 8px; }
.flow__step b { display: block; font-size: 26px; font-weight: 700; letter-spacing: -0.03em; line-height: 1.1; }
.flow__step p { margin-top: 10px; font-size: 14px; color: var(--ink-2); line-height: 1.55; }
.flow__badges { display: flex; gap: 10px; margin-top: 56px; flex-wrap: wrap; }
.badge { font-family: var(--mono); display: inline-flex; align-items: center; gap: 8px; height: 36px; padding: 0 14px; border-radius: var(--r-sm); border: 1px solid var(--line-2); font-size: 13px; font-weight: 600; }
.badge i { width: 8px; height: 8px; border-radius: 50%; background: var(--ink); }
.badge--fill { background: var(--ink); border-color: var(--ink); color: #fff; }
.badge--fill i { background: #fff; }

/* ---------- works ---------- */
.works { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.work { display: flex; flex-direction: column; text-align: left; cursor: pointer; }
.work__fig { position: relative; aspect-ratio: 4 / 3; border-radius: var(--r-md); overflow: hidden; background: var(--bg-2); }
.work__fig img { width: 100%; height: 100%; object-fit: cover; transition: transform .9s var(--ease); }
.work:hover .work__fig img { transform: scale(1.04); }
.work__fig .tag { font-family: var(--mono); position: absolute; top: 14px; left: 14px; }
.tag { display: inline-flex; align-items: center; height: 26px; padding: 0 10px; border-radius: 6px; background: #fff; font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--ink); }
.tag--dark { background: var(--ink); color: #fff; }
.work__body { padding: 18px 4px 0; }
.work__meta { font-family: var(--mono); display: flex; gap: 10px; font-size: 13px; color: var(--ink-3); margin-bottom: 8px; }
.work__meta span + span::before { content: "·"; margin-right: 10px; }
.work__t { font-size: 20px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.3; }
.work__d { margin-top: 8px; font-size: 15px; color: var(--ink-2); line-height: 1.6; }
.work__go { margin-top: 14px; display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; }
.work__go svg { width: 14px; height: 14px; transition: transform var(--dur) var(--ease); }
.work:hover .work__go svg { transform: translateX(3px); }

/* thumbnails drawn in CSS (no stock photos) */
.thumb { width: 100%; height: 100%; display: grid; place-items: center; padding: 28px; }
.thumb > * { width: 100%; }
.thumb--dark { background: var(--dark); color: #fff; }
.thumb__bars { display: flex; align-items: flex-end; gap: 8px; height: 60%; }
.thumb__bars i { flex: 1; background: var(--ink); border-radius: 4px 4px 0 0; height: calc(var(--v) * 1%); }
.thumb__bars i:nth-child(2n) { background: var(--ink-4); }
.thumb--dark .thumb__bars i { background: #fff; } .thumb--dark .thumb__bars i:nth-child(2n) { background: var(--dark-ink-3); }
.thumb__lines { display: flex; flex-direction: column; gap: 10px; }
.thumb__lines i { display: block; height: 10px; border-radius: 5px; background: var(--ink-4); width: calc(var(--w) * 1%); }
.thumb__lines i:first-child { background: var(--ink); height: 14px; }
.thumb__grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 6px; }
.thumb__grid i { aspect-ratio: 1; border-radius: 3px; background: var(--ink-4); opacity: calc(var(--o)); }
.thumb--dark .thumb__grid i { background: #fff; }
.thumb__doc { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 18px; display: flex; flex-direction: column; gap: 8px; box-shadow: 0 10px 30px -14px rgba(0,0,0,.2); }
.thumb__doc i { display: block; height: 7px; border-radius: 4px; background: var(--line-2); width: calc(var(--w) * 1%); }
.thumb__doc i:first-child { height: 12px; background: var(--ink); }
.thumb__ring { width: 58%; aspect-ratio: 1; border-radius: 50%; background: conic-gradient(var(--ink) 0 calc(var(--p) * 1%), var(--line-2) 0); position: relative; }
.thumb__ring::after { content: ""; position: absolute; inset: 22%; border-radius: 50%; background: var(--bg-2); }
.thumb--dark .thumb__ring { background: conic-gradient(#fff 0 calc(var(--p) * 1%), var(--dark-ink-3) 0); }
.thumb--dark .thumb__ring::after { background: var(--dark); }
.thumb__net { position: relative; height: 70%; }
.thumb__net i { position: absolute; width: 10px; height: 10px; border-radius: 50%; background: var(--ink); left: calc(var(--x) * 1%); top: calc(var(--y) * 1%); }
.thumb__net i:nth-child(2n) { width: 6px; height: 6px; background: var(--ink-4); }
.thumb__net svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.thumb__net svg line { stroke: var(--line-2); stroke-width: 1; }

/* ---------- why ---------- */
.why { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.why__i { padding: 40px 32px 44px 0; border-bottom: 1px solid var(--line); }
.why__i + .why__i { padding-left: 32px; border-left: 1px solid var(--line); }
.why__i small { font-family: var(--mono); display: block; font-size: 12px; font-weight: 600; color: var(--ink-3); letter-spacing: .08em; margin-bottom: 20px; }
.why__i b { display: block; font-size: 30px; font-weight: 700; letter-spacing: -0.03em; line-height: 1.1; }
.why__i p { margin-top: 14px; font-size: 15px; color: var(--ink-2); line-height: 1.6; }

/* ---------- final CTA ---------- */
.cta { position: relative; overflow: hidden; padding: 140px 0; }
.cta__in { display: grid; grid-template-columns: 1.2fr .8fr; gap: 56px; align-items: end; }
.cta .display { max-width: 820px; }
.cta__side { display: flex; flex-direction: column; align-items: flex-start; gap: 22px; padding-bottom: 8px; }
.cta__side p { color: var(--dark-ink-2); max-width: 380px; }

/* ---------- footer ---------- */
.footer { padding: 72px 0 40px; border-top: 1px solid var(--line); }
.footer__top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; }
.footer__col > b { font-family: var(--mono); display: block; font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 18px; }
.footer__col > a, .footer__col > span { display: block; font-size: 15px; color: var(--ink-2); margin-bottom: 10px; }
.footer__col > a:hover { color: var(--ink); }
.footer__brand .brand { display: inline-flex; font-size: 20px; color: var(--ink); margin-bottom: 0; }
.footer__brand .brand span { display: inline; margin: 0; font-size: inherit; }
.footer__brand .brand b { display: inline; font-size: inherit; letter-spacing: inherit; text-transform: none; color: inherit; margin: 0; }
.footer__brand p { margin-top: 18px; max-width: 360px; font-size: 14px; color: var(--ink-3); line-height: 1.7; }
.footer__bottom { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; margin-top: 64px; padding-top: 24px; border-top: 1px solid var(--line); font-size: 13px; color: var(--ink-3); }
.footer__bottom a { color: var(--ink-3); margin-left: 18px; }
.footer__bottom a:hover { color: var(--ink); }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .1s; } .reveal[data-delay="2"] { transition-delay: .2s; }
.reveal[data-delay="3"] { transition-delay: .2s; } .reveal[data-delay="4"] { transition-delay: .2s; }
.reveal[data-delay="5"] { transition-delay: .2s; }
.stagger > * { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.stagger.is-in > * { opacity: 1; transform: none; }
.stagger.is-in > *:nth-child(2) { transition-delay: .08s; } .stagger.is-in > *:nth-child(3) { transition-delay: .16s; }
.stagger.is-in > *:nth-child(4) { transition-delay: .24s; } .stagger.is-in > *:nth-child(5) { transition-delay: .32s; }
.stagger.is-in > *:nth-child(6) { transition-delay: .40s; } .stagger.is-in > *:nth-child(7) { transition-delay: .48s; }
.stagger.is-in > *:nth-child(8) { transition-delay: .56s; } .stagger.is-in > *:nth-child(9) { transition-delay: .64s; }

/* ---------- Advisor page ---------- */
.before-after { display: grid; grid-template-columns: 1fr auto 1fr; gap: 28px; align-items: stretch; }
.ba { padding: 36px; border-radius: var(--r-md); background: var(--bg-2); }
.ba--after { background: var(--ink); color: #fff; }
.ba small { font-family: var(--mono); display: block; font-size: 12px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 26px; }
.ba--after small { color: var(--dark-ink-3); }
.ba__items { display: flex; flex-wrap: wrap; gap: 8px; }
.ba__items span { height: 38px; padding: 0 14px; display: inline-flex; align-items: center; border-radius: var(--r-sm); border: 1px dashed var(--line-2); font-size: 14px; font-weight: 500; color: var(--ink-2); }
.ba--after .ba__items span { border-style: solid; border-color: var(--dark-line); color: #fff; }
.ba__foot { margin-top: 30px; font-size: 15px; color: var(--ink-2); line-height: 1.6; }
.ba--after .ba__foot { color: var(--dark-ink-2); }
.ba__arrow { display: grid; place-items: center; color: var(--ink-3); }
.ba__arrow svg { width: 28px; height: 28px; }

.fgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.fcard { padding: 30px; border-radius: var(--r-md); background: var(--bg-2); display: flex; flex-direction: column; gap: 22px; min-height: 340px; transition: background var(--dur) var(--ease); }
.fcard:hover { background: var(--bg-3); }
.fcard small { font-family: var(--mono); font-size: 12px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); }
.fcard b { font-size: 22px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.3; }
.fcard p { font-size: 15px; color: var(--ink-2); line-height: 1.6; }
.fcard .ui { margin-top: auto; font-size: 12px; }
.fcard .ui__main { padding: 14px; gap: 10px; min-height: 0; }

.hiw { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; gap: 20px; align-items: center; }
.hiw__box { padding: 34px 30px; border: 1px solid var(--line-2); border-radius: var(--r-md); min-height: 240px; }
.hiw__box--core { background: var(--ink); color: #fff; border-color: var(--ink); }
.hiw__box small { font-family: var(--mono); display: block; font-size: 12px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 18px; }
.hiw__box--core small { color: var(--dark-ink-3); }
.hiw__box b { display: block; font-size: 28px; font-weight: 700; letter-spacing: -0.03em; line-height: 1.15; margin-bottom: 16px; }
.hiw__box ul li { font-size: 15px; padding: 6px 0; border-top: 1px solid var(--line); color: var(--ink-2); }
.hiw__box--core ul li { border-color: var(--dark-line); color: var(--dark-ink-2); }
.hiw__arrow { color: var(--ink-3); } .hiw__arrow svg { width: 26px; height: 26px; }

.showcase { display: grid; grid-template-columns: 300px 1fr; gap: 56px; align-items: start; }
.showcase__nav { position: sticky; top: calc(var(--header-h-s) + 40px); display: flex; flex-direction: column; gap: 0; border-top: 1px solid var(--line); }
.showcase__nav button { text-align: left; padding: 20px 0; border-bottom: 1px solid var(--line); display: flex; gap: 16px; align-items: baseline; color: var(--ink-3); transition: color var(--dur) var(--ease); }
.showcase__nav button small { font-family: var(--mono); font-size: 12px; font-weight: 600; letter-spacing: .08em; }
.showcase__nav button b { font-size: 22px; font-weight: 700; letter-spacing: -0.02em; }
.showcase__nav button p { width: 100%; flex-basis: 100%; font-size: 14px; color: var(--ink-2); margin-top: 6px; display: none; }
.showcase__nav button.is-active { color: var(--ink); flex-wrap: wrap; }
.showcase__nav button.is-active p { display: block; }
.showcase__nav button:hover { color: var(--ink-2); }
.showcase__panes { aspect-ratio: 16 / 10; overflow: hidden; }
.showcase__pane, .showcase__pane .shot { height: 100%; }
.showcase__pane .shot img { height: 100%; object-fit: cover; object-position: top; }
.showcase__panes { position: relative; }
.showcase__pane { display: none; }
.showcase__pane.is-active { display: block; animation: rise .6s var(--ease) both; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid var(--line-2); border-radius: var(--r-md); overflow: hidden; }
.split__col { padding: 48px 44px; }
.split__col + .split__col { border-left: 1px solid var(--line-2); }
.split__col--dark { background: var(--ink); color: #fff; border-color: var(--ink) !important; }
.split__col small { font-family: var(--mono); display: block; font-size: 12px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 24px; }
.split__col--dark small { color: var(--dark-ink-3); }
.split__col b { display: block; font-size: 32px; font-weight: 700; letter-spacing: -0.03em; margin-bottom: 26px; line-height: 1.15; }
.split__col li { display: flex; justify-content: space-between; align-items: baseline; gap: 20px; padding: 14px 0; border-top: 1px solid var(--line); font-size: 16px; }
.split__col li span { font-weight: 700; }
.split__col li p { font-size: 14px; color: var(--ink-2); text-align: right; }
.split__col--dark li { border-color: var(--dark-line); } .split__col--dark li p { color: var(--dark-ink-2); }
.split__x { text-align: center; margin: 44px 0 0; font-size: 13px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); }

.usecases { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.usecase { padding: 30px 28px; border-radius: var(--r-md); background: var(--bg-2); min-height: 300px; display: flex; flex-direction: column; }
.usecase small { font-family: var(--mono); font-size: 12px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); }
.usecase b { font-size: 24px; font-weight: 700; letter-spacing: -0.02em; margin: 14px 0 22px; }
.usecase li { font-size: 15px; color: var(--ink-2); padding: 9px 0; border-top: 1px solid var(--line-2); line-height: 1.5; }

/* ---------- Services page ---------- */
.anchor-nav { position: sticky; top: var(--header-h-s); z-index: 40; background: rgba(255,255,255,.92); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.anchor-nav ul { display: flex; gap: 0; overflow-x: auto; scrollbar-width: none; }
.anchor-nav ul::-webkit-scrollbar { display: none; }
.anchor-nav a { display: inline-flex; align-items: center; gap: 10px; height: 56px; padding: 0 22px 0 0; margin-right: 22px; font-size: 14px; font-weight: 600; color: var(--ink-3); white-space: nowrap; border-bottom: 2px solid transparent; transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease); }
.anchor-nav a small { font-family: var(--mono); font-size: 11px; font-weight: 600; letter-spacing: .06em; }
.anchor-nav a:hover, .anchor-nav a.is-active { color: var(--ink); border-color: var(--ink); }

.svc-sec { padding: 130px 0; border-bottom: 1px solid var(--line); }
.svc-sec:last-of-type { border-bottom: 0; }
.svc-sec__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; }
.svc-sec__n { font-size: clamp(64px, 8vw, 120px); font-weight: 700; letter-spacing: -0.05em; line-height: .9; color: var(--ink); margin-bottom: 28px; }
.svc-sec .h2 { margin-bottom: 22px; }
.svc-sec .lead { margin-bottom: 36px; }
.keys { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid var(--line); margin: 0 0 40px; }
.keys li { padding: 16px 20px 16px 0; border-bottom: 1px solid var(--line); font-size: 15px; font-weight: 600; display: flex; gap: 14px; align-items: baseline; }
.keys li:nth-child(2n) { padding-left: 20px; border-left: 1px solid var(--line); }
.keys li small { font-family: var(--mono); font-size: 11px; color: var(--ink-3); letter-spacing: .06em; font-weight: 600; }
.diagram { border-radius: var(--r-md); background: var(--bg-2); padding: 40px; min-height: 420px; display: grid; align-content: center; gap: 12px; }
.diagram--dark { background: var(--dark); color: #fff; }
.pipe { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.pipe span { height: 44px; padding: 0 16px; border-radius: var(--r-sm); background: #fff; border: 1px solid var(--line); display: inline-flex; align-items: center; font-size: 14px; font-weight: 600; }
.pipe span.is-core { background: var(--ink); color: #fff; border-color: var(--ink); }
.pipe i { width: 18px; height: 1px; background: var(--line-2); flex: 0 0 auto; }
.diagram--dark .pipe span { background: transparent; border-color: var(--dark-line); color: #fff; }
.diagram--dark .pipe span.is-core { background: #fff; color: var(--ink); border-color: #fff; }
.diagram--dark .pipe i { background: var(--dark-line); }
.diagram__note { font-size: 13px; color: var(--ink-3); margin-top: 8px; }
.diagram--dark .diagram__note { color: var(--dark-ink-3); }
.steps-v { display: flex; flex-direction: column; gap: 0; }
.steps-v li { display: grid; grid-template-columns: 56px 1fr; gap: 16px; padding: 14px 0; border-top: 1px solid var(--line); align-items: baseline; }
.steps-v li small { font-family: var(--mono); font-size: 12px; font-weight: 700; letter-spacing: .06em; color: var(--ink-3); }
.steps-v li b { font-size: 17px; font-weight: 700; }
.steps-v li p { font-size: 14px; color: var(--ink-2); margin-top: 2px; }
.matrix { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.matrix div { aspect-ratio: 1.4; background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 16px; display: flex; flex-direction: column; justify-content: space-between; }
.matrix div b { font-size: 14px; font-weight: 700; }
.matrix div small { font-family: var(--mono); font-size: 11px; color: var(--ink-3); letter-spacing: .06em; text-transform: uppercase; font-weight: 600; }
.matrix div.is-hi { background: var(--ink); color: #fff; border-color: var(--ink); }
.matrix div.is-hi small { color: var(--dark-ink-3); }

/* ---------- Works & Insights page ---------- */
.filterbar { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; margin-bottom: 40px; }
.insights { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--line); }
.insight { padding: 32px 32px 36px 0; border-bottom: 1px solid var(--line); display: flex; flex-direction: column; min-height: 300px; }
.insight:nth-child(3n+2), .insight:nth-child(3n) { padding-left: 32px; border-left: 1px solid var(--line); }
.insight__meta { font-family: var(--mono); display: flex; justify-content: space-between; font-size: 13px; color: var(--ink-3); margin-bottom: 40px; }
.insight__meta b { font-weight: 700; color: var(--ink); letter-spacing: .06em; text-transform: uppercase; font-size: 11px; }
.insight__t { font-size: 24px; font-weight: 700; letter-spacing: -0.025em; line-height: 1.3; transition: color var(--dur) var(--ease); }
.insight:hover .insight__t { color: var(--ink-3); }
.insight__s { margin-top: 12px; font-size: 15px; color: var(--ink-2); line-height: 1.6; }
.insight__go { margin-top: auto; padding-top: 24px; font-size: 14px; font-weight: 600; display: inline-flex; gap: 6px; align-items: center; }
.insight__go svg { width: 14px; height: 14px; }
.featured { display: grid; grid-template-columns: 1.1fr .9fr; border-radius: var(--r-lg); overflow: hidden; background: var(--dark); color: #fff; margin-bottom: 72px; }
.featured__fig { min-height: 420px; position: relative; overflow: hidden; }
.featured__body { padding: 56px 56px 56px 48px; display: flex; flex-direction: column; }
.featured__body .eyebrow { color: var(--dark-ink-3); }
.featured__body .h2 { margin-bottom: 20px; }
.featured__body p { color: var(--dark-ink-2); }
.featured__body .btn { margin-top: auto; align-self: flex-start; }
.pane { display: none; }
.pane.is-active { display: block; animation: rise .5s var(--ease) both; }
.empty { padding: 80px 0; text-align: center; color: var(--ink-3); border: 1px dashed var(--line-2); border-radius: var(--r-md); }

/* modal */
.modal { position: fixed; inset: 0; z-index: 100; display: none; }
.modal.is-open { display: block; }
.modal__bg { position: absolute; inset: 0; background: rgba(17,17,17,.55); backdrop-filter: blur(4px); animation: fade .3s both; }
.modal__panel { position: absolute; top: 0; right: 0; bottom: 0; width: min(720px, 100%); background: #fff; overflow-y: auto; animation: slide .5s var(--ease) both; padding: 56px 56px 72px; }
.modal__close { position: sticky; top: 0; float: right; width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line-2); display: grid; place-items: center; background: #fff; z-index: 2; margin: -12px -12px 0 0; }
.modal__close svg { width: 16px; height: 16px; }
.modal__close:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.modal__fig { aspect-ratio: 16/9; border-radius: var(--r-md); overflow: hidden; background: var(--bg-2); margin: 24px 0 36px; }
.modal__fig > * { height: 100%; }
.modal__sec { padding: 24px 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: 160px 1fr; gap: 20px; }
.modal__sec small { font-family: var(--mono); font-size: 12px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); padding-top: 4px; }
.modal__sec p { font-size: 16px; color: var(--ink-2); }
.modal__sec ul li { font-size: 16px; color: var(--ink-2); padding: 4px 0; }
.modal__sec ul li::before { content: "— "; color: var(--ink-4); }
.modal__result { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.modal__result div { background: var(--bg-2); border-radius: 10px; padding: 16px; }
.modal__result b { display: block; font-size: 28px; font-weight: 700; letter-spacing: -0.03em; }
.modal__result small { font-size: 12px; color: var(--ink-3); }
body.modal-open { overflow: hidden; }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes slide { from { transform: translateX(40px); opacity: 0; } to { transform: none; opacity: 1; } }

/* ---------- Insight article ---------- */
.article { padding: 100px 0 140px; }
.article__head { max-width: 860px; margin-bottom: 56px; }
.article__meta { display: flex; gap: 14px; font-size: 14px; color: var(--ink-3); margin-bottom: 26px; }
.article__meta b { font-family: var(--mono); color: var(--ink); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; font-weight: 700; padding-top: 3px; }
.article__body { max-width: 760px; }
.article__body h2 { font-size: 28px; font-weight: 700; letter-spacing: -0.025em; margin: 56px 0 18px; line-height: 1.3; }
.article__body h3 { font-size: 21px; font-weight: 700; letter-spacing: -0.02em; margin: 40px 0 12px; }
.article__body p { font-size: 18px; line-height: 1.85; color: var(--ink-2); margin: 0 0 22px; }
.article__body ul, .article__body ol { margin: 0 0 22px; padding-left: 22px; list-style: disc; }
.article__body ol { list-style: decimal; }
.article__body li { font-size: 17px; line-height: 1.8; color: var(--ink-2); margin-bottom: 6px; }
.article__body blockquote { margin: 36px 0; padding: 28px 32px; border-left: 2px solid var(--ink); background: var(--bg-2); border-radius: 0 var(--r-md) var(--r-md) 0; font-size: 20px; font-weight: 500; letter-spacing: -0.015em; line-height: 1.6; }
.article__body figure { margin: 36px 0; }
.article__body figcaption { font-size: 13px; color: var(--ink-3); margin-top: 12px; }
.article__body table { width: 100%; border-collapse: collapse; margin: 28px 0; font-size: 15px; }
.article__body th, .article__body td { padding: 12px 14px; border-bottom: 1px solid var(--line); text-align: left; }
.article__body th { font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); font-weight: 600; border-bottom-color: var(--ink); }
.article__foot { max-width: 760px; margin-top: 64px; padding-top: 32px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.article__more { border-top: 1px solid var(--line); }

/* ---------- About & Contact ---------- */
.identity { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; }
.id-diagram { border-radius: var(--r-md); background: var(--bg-2); padding: 44px; display: grid; gap: 12px; }
.id-diagram__core { background: var(--ink); color: #fff; border-radius: var(--r-sm); padding: 26px 28px; }
.id-diagram__core small { font-family: var(--mono); display: block; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--dark-ink-3); font-weight: 600; margin-bottom: 8px; }
.id-diagram__core b { font-size: 24px; font-weight: 700; letter-spacing: -0.025em; }
.id-diagram__row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.id-diagram__box { background: #fff; border: 1px solid var(--line); border-radius: var(--r-sm); padding: 18px 20px; }
.id-diagram__box small { font-family: var(--mono); display: block; font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); font-weight: 600; margin-bottom: 6px; }
.id-diagram__box b { font-size: 16px; font-weight: 700; }
.id-diagram__box p { font-size: 13px; color: var(--ink-2); margin-top: 4px; }
.id-diagram__plus { text-align: center; font-size: 20px; color: var(--ink-3); line-height: 1; }

.expertise { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.exp { padding: 36px 28px 36px 0; border-bottom: 1px solid var(--line); min-height: 180px; display: flex; flex-direction: column; cursor: default; }
.exp:nth-child(3n+2), .exp:nth-child(3n) { padding-left: 28px; border-left: 1px solid var(--line); }
.exp small { font-family: var(--mono); font-size: 12px; font-weight: 600; color: var(--ink-3); letter-spacing: .08em; }
.exp b { font-size: 30px; font-weight: 700; letter-spacing: -0.03em; margin-top: 24px; line-height: 1.1; transition: transform var(--dur) var(--ease); }
.exp p { font-size: 15px; color: var(--ink-2); margin-top: 12px; max-height: 0; opacity: 0; overflow: hidden; transition: max-height var(--dur) var(--ease), opacity var(--dur) var(--ease); }
.exp:hover p, .exp:focus-within p { max-height: 80px; opacity: 1; }

.principles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.principle { padding: 32px 28px; border-radius: var(--r-md); background: var(--bg-2); min-height: 280px; display: flex; flex-direction: column; }
.principle small { font-size: 40px; font-weight: 700; letter-spacing: -0.04em; line-height: 1; }
.principle b { font-size: 22px; font-weight: 700; letter-spacing: -0.02em; margin-top: auto; padding-top: 40px; }
.principle p { font-size: 15px; color: var(--ink-2); margin-top: 10px; line-height: 1.6; }

.team { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.member { border-radius: var(--r-md); background: var(--bg-2); padding: 28px; display: flex; flex-direction: column; gap: 0; min-height: 320px; }
.member__avatar { width: 64px; height: 64px; border-radius: 50%; background: var(--ink); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 20px; letter-spacing: -0.02em; margin-bottom: 28px; }
.member__name { font-size: 22px; font-weight: 700; letter-spacing: -0.02em; }
.member__role { font-size: 14px; color: var(--ink-3); margin-top: 4px; }
.member__field { margin-top: 20px; font-size: 15px; font-weight: 600; }
.member__bio { margin-top: 8px; font-size: 14px; color: var(--ink-2); line-height: 1.6; }

.logos { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.logo { height: 96px; border-radius: var(--r-sm); background: var(--bg-2); display: grid; place-items: center; font-size: 14px; font-weight: 700; letter-spacing: -0.01em; color: var(--ink-4); text-align: center; padding: 0 14px; transition: color var(--dur) var(--ease), background var(--dur) var(--ease); }
.logo:hover { color: var(--ink); background: var(--bg-3); }

/* contact form */
.contact { display: grid; grid-template-columns: 1fr 1.4fr; gap: 72px; align-items: start; }
.contact__info { position: sticky; top: calc(var(--header-h-s) + 40px); }
.contact__info .h2 { margin-bottom: 20px; }
.info-list { margin-top: 36px; border-top: 1px solid var(--line); }
.info-list li { display: grid; grid-template-columns: 110px 1fr; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.info-list li small { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); font-weight: 600; padding-top: 4px; }
.info-list li a { text-decoration: underline; text-underline-offset: 3px; }
.form { display: flex; flex-direction: column; gap: 44px; }
.form__body { display: flex; flex-direction: column; gap: 44px; }
.form__group > label, .form__legend { display: block; font-size: 15px; font-weight: 700; margin-bottom: 14px; }
.form__legend em { font-style: normal; font-weight: 500; color: var(--ink-3); font-size: 13px; margin-left: 8px; }
.req::after { content: " *"; color: var(--ink); }
.select-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.select-cards--6 { grid-template-columns: repeat(3, 1fr); }
.select-card { position: relative; }
.select-card input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.select-card span { display: flex; align-items: center; justify-content: space-between; height: 56px; padding: 0 16px; border-radius: var(--r-sm); border: 1px solid var(--line-2); font-size: 15px; font-weight: 500; transition: all var(--dur) var(--ease); }
.select-card span::after { content: ""; width: 16px; height: 16px; border-radius: 50%; border: 1.5px solid var(--line-2); transition: all var(--dur) var(--ease); flex: 0 0 auto; }
.select-card input:hover + span { border-color: var(--ink); }
.select-card input:checked + span { background: var(--ink); color: #fff; border-color: var(--ink); }
.select-card input:checked + span::after { border-color: #fff; background: radial-gradient(circle, #fff 45%, transparent 50%); }
.select-card input:focus-visible + span { outline: 2px solid var(--ink); outline-offset: 2px; }
.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 24px 20px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 14px; font-weight: 600; }
.field input, .field textarea {
  width: 100%; height: 54px; padding: 0 16px; border: 1px solid var(--line-2); border-radius: var(--r-sm); background: #fff;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.field textarea { height: auto; min-height: 160px; padding: 14px 16px; resize: vertical; line-height: 1.6; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 3px rgba(17,17,17,.08); }
.field input::placeholder, .field textarea::placeholder { color: var(--ink-4); }
.field.is-error input, .field.is-error textarea { border-color: #C62828; }
.field__err { display: none; font-size: 13px; color: #C62828; }
.field.is-error .field__err { display: block; }
.file { display: flex; align-items: center; gap: 14px; }
.file input[type="file"] { position: absolute; opacity: 0; width: 1px; height: 1px; }
.file__btn { height: 46px; padding: 0 18px; border: 1px solid var(--line-2); border-radius: var(--r-sm); display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; cursor: pointer; transition: all var(--dur) var(--ease); }
.file__btn:hover { border-color: var(--ink); }
.file input[type="file"]:focus-visible + .file__btn { outline: 2px solid var(--ink); outline-offset: 2px; }
.file__name { font-size: 14px; color: var(--ink-3); }
.consent { display: flex; gap: 12px; align-items: flex-start; font-size: 14px; color: var(--ink-2); }
.consent input { width: 18px; height: 18px; margin: 3px 0 0; accent-color: var(--ink); flex: 0 0 auto; }
.consent a { text-decoration: underline; text-underline-offset: 3px; }
.form__actions { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.form__msg { font-size: 14px; color: var(--ink-3); }
.form__msg.is-ok { color: var(--ink); font-weight: 600; }
.form__msg.is-err { color: #C62828; }
.form--sent .form__body { display: none; }
.form__done { display: none; padding: 48px; border-radius: var(--r-md); background: var(--bg-2); }
.form--sent .form__done { display: block; }

/* ---------- misc pages ---------- */
.legal { padding: 100px 0 140px; }
.legal h2 { font-size: 22px; margin: 44px 0 12px; letter-spacing: -0.02em; }
.legal p, .legal li { color: var(--ink-2); font-size: 16px; }
.legal ul { padding-left: 20px; list-style: disc; }
.err-page { min-height: 70vh; display: grid; place-items: center; text-align: center; padding: 80px 0; }

/* ---------- dot field (canvas) ---------- */
.dotfield { position: relative; width: 100%; height: 100%; min-height: 240px; overflow: hidden; }
.dotfield canvas { display: block; position: absolute; inset: 0; }
.dotfield--abs { position: absolute; inset: 0; min-height: 0; pointer-events: none; }
.hero--home .hero__grid { grid-template-columns: 1fr 1fr; gap: 40px; align-items: stretch; }
.hero__dots { min-height: 560px; }
.hero--page .hero__grid { display: grid; grid-template-columns: 1.3fr .7fr; gap: 40px; align-items: stretch; }
.hero--page .hero__dots { min-height: 260px; }
.flow__chart { width: 100%; max-width: 560px; height: auto; justify-self: end; align-self: end; display: block; }
.flow__base { stroke: var(--line); stroke-width: 1; }
.flow__ghost { fill: none; stroke: var(--line-2); stroke-width: 1; stroke-dasharray: 2 5; }
.flow__path { fill: none; stroke: var(--ink); stroke-width: 1.5; stroke-linecap: round; }
.flow__node circle { fill: #fff; stroke: var(--ink); stroke-width: 1.5; transition: fill var(--dur) var(--ease), r var(--dur) var(--ease); }
.flow__node.is-on circle { fill: var(--ink); }
.flow__node text { font-family: var(--mono); font-size: 11px; letter-spacing: .06em; fill: var(--ink-3); transition: fill var(--dur) var(--ease); }
.flow__node.is-on text { fill: var(--ink); }

/* ---------- editorial index rows (services / works) ---------- */
.index { border-top: 1px solid var(--ink); }
.index__row { display: grid; grid-template-columns: 72px 1.1fr 1.3fr 56px; gap: 24px; align-items: center; padding: 28px 0; border-bottom: 1px solid var(--line); color: inherit; transition: background var(--dur) var(--ease), padding var(--dur) var(--ease); }
a.index__row:hover, button.index__row:hover { background: var(--bg-2); box-shadow: -16px 0 0 var(--bg-2), 16px 0 0 var(--bg-2); }
.index__n { font-family: var(--mono); font-size: 13px; color: var(--ink-3); letter-spacing: .06em; }
.index__t { font-size: 26px; font-weight: 700; letter-spacing: -0.025em; line-height: 1.2; }
.index__t small { display: block; font-family: var(--mono); font-size: 11px; font-weight: 500; letter-spacing: .10em; text-transform: uppercase; color: var(--ink-3); margin-top: 8px; }
.index__d { font-size: 15px; color: var(--ink-2); line-height: 1.6; }
.index__dot { justify-self: end; width: 10px; height: 10px; border-radius: 50%; border: 1.5px solid var(--ink); transition: background var(--dur) var(--ease), transform var(--dur) var(--ease); }
.index__row:hover .index__dot { background: var(--ink); transform: scale(1.25); }
.index__go { justify-self: end; width: 40px; height: 40px; border: 1px solid var(--line-2); display: grid; place-items: center; transition: all var(--dur) var(--ease); }
.index__go svg { width: 16px; height: 16px; }
.index__row:hover .index__go { background: var(--ink); border-color: var(--ink); color: #fff; }
.index--works .index__row { grid-template-columns: 72px 1fr 56px; padding: 32px 0; }
.index--works .index__t { font-size: 30px; }
.index__meta { display: flex; flex-wrap: wrap; gap: 6px 18px; font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); margin-top: 10px; }
.index__meta b { color: var(--ink); font-weight: 500; }
.index__desc { margin-top: 12px; font-size: 15px; color: var(--ink-2); max-width: 720px; }
.hero__sub { font-family: var(--mono); font-size: 15px; letter-spacing: .02em; color: var(--ink-3); margin: 0 0 22px; }
.display--caps { text-transform: uppercase; letter-spacing: -0.035em; }
.hero--home .display { font-size: clamp(44px, 6.4vw, 96px); }
.hero--home .display em { font-style: normal; color: var(--ink-3); }
.rule { height: 1px; background: var(--line); border: 0; margin: 0; }

/* ---------- product screenshots ---------- */
.shot { margin: 0; border: 1px solid var(--line); border-radius: var(--r-md); overflow: hidden; background: #fff; box-shadow: 0 24px 60px -30px rgba(8,29,44,.25); }
.shot img { display: block; width: 100%; height: auto; }
.shot--crop { position: relative; }
.shot--crop img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top left; }
.index__more { justify-self: end; }
.shot--h360 { height: 360px; } .shot--h420 { height: 420px; } .shot--h520 { height: 520px; }
.shot__cap { font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); margin-top: 12px; }
.section--dark .shot { border-color: var(--dark-line); box-shadow: 0 30px 80px -30px rgba(0,0,0,.6); }
.fig { margin: 0; border: 1px solid var(--line); border-radius: var(--r-md); overflow: hidden; }
.shot-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 56px; }
.work__img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .9s var(--ease); }
.work:hover .work__img { transform: scale(1.03); }
.featured__img { width: 100%; height: 100%; object-fit: cover; display: block; }
.insight__fig { margin: 0 0 22px; border: 1px solid var(--line); border-radius: var(--r-sm); overflow: hidden; aspect-ratio: 16 / 10; }
.insight__fig img { width: 100%; height: 100%; object-fit: cover; display: block; filter: saturate(.9); }
.insight__meta { margin-bottom: 18px; }
.fig img { display: block; width: 100%; height: auto; }

/* ---------- absorbed page-local rules ---------- */
.fcard .ui b, .fcard .ui p { font-size: 12px; line-height: 1.5; letter-spacing: 0; }
.fcard .ui__card b { font-size: 11px; }
.fcard .ui__a p b { font-size: inherit; }
.svc-sec__grid > *, .diagram, .diagram > *, .matrix > div { min-width: 0; }

/* =====================================================================
   Responsive
   ===================================================================== */
@media (max-width: 1200px) {
  .hero__grid { gap: 40px; }
  .usecases, .why { grid-template-columns: repeat(2, 1fr); }
  .why__i:nth-child(3) { padding-left: 0; border-left: 0; }
  .principles { grid-template-columns: repeat(2, 1fr); }
  .logos { grid-template-columns: repeat(4, 1fr); }
  .kpis { grid-template-columns: repeat(2, 1fr); }
  .kpi:nth-child(2) { border-right: 0; } .kpi:nth-child(3) { padding-left: 0; }
  .footer__top { grid-template-columns: 1fr 1fr; }
  .showcase { grid-template-columns: 240px 1fr; gap: 36px; }
}

@media (max-width: 1024px) {
  :root { --gutter: 32px; }
  .hero--home .hero__grid { grid-template-columns: 1fr; }
  .hero__dots { min-height: 300px; border-top: 1px solid var(--line); }
  .hero--page .hero__grid { grid-template-columns: 1fr; }
  .hero--page .hero__dots { display: none; }
  .shot--crop.shot--uncrop-m { height: auto !important; }
  .shot--crop.shot--uncrop-m img { position: static; height: auto; }
  .flow__chart { max-width: 100%; justify-self: start; }
  .index__row { grid-template-columns: 56px 1fr 40px; }
  .shot-row { grid-template-columns: 1fr; gap: 16px; }
  .index__d { grid-column: 2; }
  .section { padding: 110px 0; }
  .hero--home { min-height: 0; padding: 48px 0 72px; }
  .hero__grid { grid-template-columns: 1fr; gap: 56px; }
  .hero__copy .lead { max-width: 560px; }
  .advisor__grid { grid-template-columns: 1fr; gap: 48px; }
  .problems, .services, .fgrid, .works, .team, .insights, .expertise { grid-template-columns: repeat(2, 1fr); }
  .insight:nth-child(3n+2), .insight:nth-child(3n) { padding-left: 0; border-left: 0; }
  .insight:nth-child(2n) { padding-left: 32px; border-left: 1px solid var(--line); }
  .exp:nth-child(3n+2), .exp:nth-child(3n) { padding-left: 0; border-left: 0; }
  .exp:nth-child(2n) { padding-left: 28px; border-left: 1px solid var(--line); }
  .flow__track { grid-template-columns: repeat(3, 1fr); row-gap: 40px; }
  .flow__line { display: none; }
  .flow__step::before { display: none; }
  .flow__step { padding-top: 0; border-top: 1px solid var(--line); padding-top: 18px; }
  .flow__step.is-on { border-color: var(--ink); }
  .sec-head--split { grid-template-columns: 1fr; gap: 20px; }
  .cta__in { grid-template-columns: 1fr; }
  .before-after { grid-template-columns: 1fr; }
  .ba__arrow { transform: rotate(90deg); padding: 6px 0; }
  .hiw { grid-template-columns: 1fr; }
  .hiw__arrow { transform: rotate(90deg); justify-self: center; }
  .showcase { grid-template-columns: 1fr; gap: 28px; }
  .showcase__nav { position: static; flex-direction: row; overflow-x: auto; border-top: 0; border-bottom: 1px solid var(--line); gap: 24px; }
  .showcase__nav button { border-bottom: 0; white-space: nowrap; padding: 12px 0; flex: 0 0 auto; flex-wrap: nowrap; }
  .showcase__nav button p { display: none !important; }
  .split { grid-template-columns: 1fr; }
  .split__col + .split__col { border-left: 0; border-top: 1px solid var(--line-2); }
  .svc-sec { padding: 96px 0; }
  .svc-sec__grid { grid-template-columns: 1fr; gap: 40px; }
  .featured { grid-template-columns: 1fr; }
  .featured__fig { min-height: 300px; }
  .featured__body { padding: 40px 32px; }
  .identity, .contact { grid-template-columns: 1fr; gap: 48px; }
  .contact__info { position: static; }
  .modal__panel { padding: 40px 32px 60px; }
}

@media (max-width: 860px) {
  :root { --header-h: 64px; --header-h-s: 56px; }
  .nav, .header__cta .btn { display: none; }
  .nav-toggle { display: inline-flex; }
  .mobile-nav {
    position: fixed; top: var(--header-h-s); left: 0; right: 0; bottom: 0; z-index: 49; background: #fff;
    padding: 24px var(--gutter) 40px; flex-direction: column; gap: 0; overflow-y: auto;
    opacity: 0; transform: translateY(-8px); pointer-events: none; transition: opacity .3s var(--ease), transform .3s var(--ease);
  }
  .mobile-nav.is-open { display: flex; opacity: 1; transform: none; pointer-events: auto; }
  .mobile-nav a { font-size: 30px; font-weight: 700; letter-spacing: -0.03em; padding: 18px 0; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; }
  .mobile-nav a small { font-size: 12px; font-weight: 600; color: var(--ink-3); letter-spacing: .08em; }
  .mobile-nav .btn { margin-top: 28px; justify-content: center; height: 58px; }
  .mobile-nav .mobile-nav__foot { margin-top: auto; padding-top: 32px; font-size: 14px; color: var(--ink-3); }
  .header.is-stuck { height: var(--header-h-s); }
  .header { height: var(--header-h); }

  .section { padding: 88px 0; }
  .section--tight { padding: 64px 0; }
  .hero--page { padding: 72px 0 60px; }
  .sec-head { margin-bottom: 44px; }
  .lead br, .display br, .h1 br, .h2 br, .body br { display: none; }
  .problems, .services, .fgrid, .works, .team, .usecases, .principles, .expertise, .insights, .why, .kpis, .select-cards, .fields, .keys, .features { grid-template-columns: 1fr; }
  .exp, .insight, .why__i { padding-left: 0 !important; border-left: 0 !important; }
  .kpi { border-right: 0; padding: 28px 0; border-bottom: 1px solid var(--line); }
  .kpi + .kpi { padding-left: 0; }
  .feature:nth-child(2n), .keys li:nth-child(2n) { padding-left: 0; border-left: 0; }
  .why__i + .why__i { border-left: 0; padding-left: 0; }
  .field--full { grid-column: auto; }
  .flow__track { grid-template-columns: 1fr; row-gap: 0; }
  .flow__step { padding: 20px 0; }
  .flow__step b { font-size: 22px; }
  .trust__row { flex-direction: column; align-items: flex-start; gap: 20px; }
  .marquee { width: 100%; }
  .problem { min-height: 0; }
  .index__t { font-size: 22px; }
  .index--works .index__t { font-size: 24px; }
  .index__row { padding: 22px 0; gap: 14px; }
  .brand__sym { height: 26px; } .brand__wm { height: 15px; }

  .problem__q { margin-top: 24px; font-size: 20px; }
  .svc { min-height: 0; }
  .svc__t { padding-top: 32px; }
  .cta { padding: 100px 0; }
  .footer__top { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
  .footer__bottom a { margin: 0 18px 0 0; }
  .tab { font-size: 18px; margin-right: 24px; padding-bottom: 14px; }
  .featured__body { padding: 32px 24px; }
  .modal__panel { width: 100%; padding: 28px 20px 56px; }
  .modal__sec { grid-template-columns: 1fr; gap: 8px; }
  .modal__result { grid-template-columns: 1fr; }
  .ui__body { grid-template-columns: 1fr; }
  .ui__side { display: none; }
  .ui--lg .ui__body { grid-template-columns: 1fr; min-height: 0; }
  .ui--lg .ui__main { padding: 20px; }
  .diagram { padding: 28px 22px; min-height: 0; }
  .split__col { padding: 32px 24px; }
  .hiw__box { min-height: 0; }
  .logos { grid-template-columns: repeat(2, 1fr); }
  .article__body p { font-size: 17px; }
  .anchor-nav a { height: 50px; margin-right: 16px; }
  .btn-row .btn { flex: 1 1 auto; justify-content: center; }
}

@media (max-width: 480px) {
  :root { --gutter: 20px; }
  .display { font-size: clamp(36px, 11vw, 48px); }
  .display--xl { font-size: clamp(44px, 14vw, 64px); }
  .h1 { font-size: clamp(32px, 9.5vw, 42px); }
  .h2 { font-size: clamp(28px, 8vw, 34px); }
  .btn { height: 50px; padding: 0 20px; }
  .btn--lg { height: 56px; }
  .logos { grid-template-columns: 1fr 1fr; }
  .logo { height: 76px; font-size: 13px; }
  .logos--img .logo { height: 84px; padding: 12px; }
  .logos--img .logo img { max-height: 34px; max-width: 120px; }
  .logo-item img { height: 30px; max-width: 140px; }
  .svc__n { font-size: 44px; }
  .kpi__n { font-size: 40px; }
  .mobile-nav a { font-size: 26px; }
}

/* ---------- narrow-screen guards (320px) ---------- */
.identity > *, .contact > *, .svc-sec__grid > *, .hero__grid > *, .advisor__grid > * { min-width: 0; }
@media (max-width: 480px) {
  .id-diagram { padding: 24px 18px; }
  .id-diagram__row { grid-template-columns: 1fr; }
  .id-diagram__core b { font-size: 20px; }
  .article__body table { display: block; overflow-x: auto; white-space: nowrap; -webkit-overflow-scrolling: touch; }
}

@media (hover: none) {
  .problem__s { opacity: 1; transform: none; }
  .problem__q { margin-top: 28px; margin-bottom: 40px; }
  .exp p { max-height: 80px; opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001s !important; transition-duration: .001s !important; scroll-behavior: auto !important; }
  .reveal, .stagger > * { opacity: 1; transform: none; }
  .marquee__track { animation: none; }
}