*, *::before, *::after { box-sizing: border-box; }

:root {
  --paper: #f5f5f2;
  --white: #ffffff;
  --ink: #090a0c;
  --ink-2: #15171c;
  --muted: #676b74;
  --line: rgba(9, 10, 12, .13);
  --line-dark: rgba(255, 255, 255, .14);
  --blue: #2f6bff;
  --blue-light: #5b86ff;
  --blue-soft: #dce6ff;
  --display: 'Pretendard Variable', 'Pretendard', 'Noto Sans KR', sans-serif;
  --body: 'Pretendard Variable', 'Pretendard', 'Noto Sans KR', sans-serif;
  --shell: 1120px;
  --ease: cubic-bezier(.22, 1, .36, 1);
  --guide-title: clamp(30px, 4.2vw, 50px);
  --guide-card-title: clamp(20px, 2vw, 24px);
}

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--body); font-size: 16px; line-height: 1.7; letter-spacing: -.012em; -webkit-font-smoothing: antialiased; }
body::before { content: ''; position: fixed; inset: 0; z-index: 100; pointer-events: none; opacity: .025; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.86' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { color: inherit; }
svg { display: block; }
.shell { width: min(calc(100% - 44px), var(--shell)); margin-inline: auto; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 999; padding: 10px 16px; background: var(--blue); color: #fff; transform: translateY(-150%); }
.skip-link:focus { transform: none; }

.site-header { position: fixed; inset: 0 0 auto; z-index: 80; color: #fff; border-bottom: 1px solid rgba(255,255,255,.1); background: rgba(9,10,12,.76); backdrop-filter: blur(18px) saturate(140%); }
.header-inner { width: min(calc(100% - 44px), var(--shell)); min-height: 72px; margin-inline: auto; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; width: fit-content; font-size: 17px; font-weight: 700; letter-spacing: .08em; }
.brand svg { width: 29px; height: 27px; fill: none; }
.brand circle { stroke: currentColor; stroke-width: 8; }
.brand path { stroke: var(--blue); stroke-width: 8; stroke-linecap: round; }
.header-call { justify-self: end; font-size: 13px; color: rgba(255,255,255,.64); }
.header-call strong { margin-left: 8px; color: #fff; font-size: 14px; }

.hero { min-height: 760px; display: grid; align-items: center; position: relative; overflow: hidden; color: #fff; background: var(--ink); padding: 132px 0 82px; }
.hero::before { content: ''; position: absolute; width: 680px; height: 680px; right: -180px; top: -170px; border: 1px solid rgba(47,107,255,.38); border-radius: 50%; box-shadow: inset 0 0 0 90px rgba(47,107,255,.035), inset 0 0 0 180px rgba(47,107,255,.025); }
.hero::after { content: 'CXD'; position: absolute; right: -1.8vw; bottom: -13vw; color: rgba(255,255,255,.025); font-size: min(34vw, 500px); font-weight: 700; line-height: 1; letter-spacing: -.09em; }
.hero-grid { position: absolute; inset: 0; opacity: .13; background-image: linear-gradient(rgba(255,255,255,.16) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.16) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(to bottom, #000, transparent 86%); }
.hero-shell { position: relative; z-index: 2; }
.eyebrow { margin: 0 0 20px; color: var(--blue-light); font-size: 12px; font-weight: 700; line-height: 1.4; letter-spacing: .18em; text-transform: uppercase; }
.eyebrow.dark { color: var(--blue); }
.hero h1 { max-width: 1000px; margin: 0; font-size: clamp(52px, 7.2vw, 92px); font-weight: 650; line-height: 1.04; letter-spacing: -.055em; word-break: keep-all; text-wrap: balance; overflow-wrap: anywhere; }
.hero h1 em { color: var(--blue-light); font-style: normal; }
.hero-bottom { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 48px; margin-top: 52px; padding-top: 28px; border-top: 1px solid var(--line-dark); }
.hero-bottom > p { max-width: 710px; margin: 0; color: rgba(255,255,255,.68); font-size: clamp(17px, 2vw, 20px); line-height: 1.75; word-break: keep-all; }
.hero-bottom > p strong { color: #fff; font-weight: 600; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.button { min-height: 56px; padding: 0 24px; display: inline-flex; align-items: center; justify-content: center; border: 1.5px solid var(--ink); border-radius: 8px; cursor: pointer; font-size: 15px; font-weight: 650; letter-spacing: -.02em; transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s ease; }
.button:hover { transform: translateY(-3px); }
.button-primary { background: var(--blue); color: #fff; box-shadow: 6px 6px 0 #020204; }
.button-primary:hover { background: var(--blue-light); box-shadow: 9px 9px 0 #020204; }
.button-ghost { color: #fff; border-color: rgba(255,255,255,.26); background: rgba(255,255,255,.04); }
.button-light { color: var(--ink); background: #fff; box-shadow: 5px 5px 0 var(--blue-soft); }
.hero-note { width: fit-content; max-width: 760px; margin-top: 58px; padding: 12px 18px; border: 1px solid rgba(255,255,255,.14); background: rgba(255,255,255,.045); color: rgba(255,255,255,.64); font-size: 14px; }
.hero-note span { margin-right: 12px; color: var(--blue-light); font-weight: 700; }

section { position: relative; }
.signal-section, .delivery-section, .diagnostic-section, .faq-section { padding: clamp(90px, 11vw, 150px) 0; }
.section-heading { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(280px, .7fr); align-items: end; column-gap: 72px; margin-bottom: 60px; }
.section-heading .eyebrow { grid-column: 1 / -1; }
.section-heading h2 { margin: 0; font-size: clamp(36px, 5.2vw, 66px); font-weight: 620; line-height: 1.08; letter-spacing: -.055em; word-break: keep-all; text-wrap: balance; }
.section-heading h2 em { color: var(--blue); font-style: normal; }
.section-heading > p:last-child { margin: 0 0 4px; color: var(--muted); font-size: 17px; line-height: 1.75; word-break: keep-all; }
.section-heading.compact { display: block; }
.section-heading.compact h2 { max-width: 780px; }

.signal-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.signal-grid article { min-height: 310px; padding: 34px 30px 38px; border-right: 1px solid var(--line); display: flex; flex-direction: column; }
.signal-grid article:last-child { border-right: 0; }
.signal-grid article > span { color: var(--blue); font-size: 12px; font-weight: 700; letter-spacing: .14em; }
.signal-grid h3 { margin: auto 0 22px; font-size: clamp(24px, 2.6vw, 34px); font-weight: 620; line-height: 1.25; letter-spacing: -.04em; word-break: keep-all; }
.signal-grid p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.75; word-break: keep-all; }

.system-section { padding: clamp(90px, 11vw, 150px) 0; color: #fff; background: var(--ink-2); overflow: hidden; }
.system-section::before { content: ''; position: absolute; inset: auto -120px -240px auto; width: 560px; height: 560px; border: 80px solid rgba(47,107,255,.08); border-radius: 50%; }
.system-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: clamp(60px, 10vw, 130px); }
.system-copy { position: sticky; top: 120px; align-self: start; }
.system-copy h2 { margin: 0; font-size: clamp(32px, 4.3vw, 52px); font-weight: 590; line-height: 1.22; letter-spacing: -.045em; word-break: keep-all; }
.system-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line-dark); }
.system-list li { display: grid; grid-template-columns: 54px 1fr; gap: 22px; padding: 34px 0; border-bottom: 1px solid var(--line-dark); }
.system-list li > span { color: var(--blue-light); font-size: 12px; font-weight: 700; letter-spacing: .12em; }
.system-list strong { display: block; font-size: 22px; font-weight: 600; line-height: 1.4; letter-spacing: -.025em; }
.system-list p { margin: 10px 0 0; color: rgba(255,255,255,.54); line-height: 1.75; }

/* Service-specific compositions use live text, not images of text. */
.method-workbench { min-width: 0; }
.system-copy > p:not(.eyebrow) { margin: 30px 0 0; color: rgba(255,255,255,.68); font-size: 17px; line-height: 1.8; }
.system-copy .method-visual-title { padding-left: 18px; border-left: 2px solid var(--blue-light); font-size: 16px; }
.service-concept { position: relative; margin: 0 0 40px; padding: clamp(18px, 2.6vw, 28px); border: 1px solid #424958; border-radius: 16px; background: #11151e; box-shadow: 0 24px 64px #0003; overflow: hidden; }
.concept-caption { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-bottom: 28px; color: #aebbd6; font-size: 11px; letter-spacing: .08em; }
.service-concept figcaption { margin-top: 24px; color: #adb5c5; font-size: 13px; line-height: 1.6; word-break: keep-all; }
.concept-flow { position: relative; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.concept-node { position: relative; min-width: 0; padding: 18px 12px; background: #1d273b; border-top: 2px solid #7199ff; }
.concept-node small { display: block; color: #9dbaff; font-size: 11px; }
.concept-node strong { display: block; margin: 20px 0 8px; font-size: 17px; font-weight: 600; word-break: keep-all; }
.concept-node > span { color: #b5c0d7; font-size: 13px; line-height: 1.6; word-break: keep-all; }
.concept-orbit { height: 145px; display: flex; align-items: center; justify-content: center; margin-bottom: 24px; }
.concept-orbit span { width: 115px; height: 115px; border: 1px solid #739cff; border-radius: 50%; box-shadow: inset 0 0 28px #2f6bff25; }
.concept-orbit span:first-child { margin-right: -36px; }
.concept-orbit span:last-child { margin-left: -36px; }
.concept-orbit b { z-index: 1; display: grid; place-items: center; width: 115px; height: 115px; border-radius: 50%; background: #2f6bff; color: #fff; font-size: 22px; letter-spacing: .08em; }
.concept-label { display: block; margin-bottom: 14px; font-size: 11px; letter-spacing: .12em; color: #9dbaff; }
.concept-ad { border-radius: 10px; background: #edf2ff; color: #15213a; padding: 24px; margin-bottom: 18px; }
.concept-ad .concept-label { color: #3253a2; }
.concept-ad > strong, .concept-editor > strong { display: block; font-size: 25px; line-height: 1.4; font-weight: 600; letter-spacing: -.025em; word-break: keep-all; }
.concept-ad p { margin: 14px 0 0; color: #53617b; font-size: 15px; }
.concept-browser { background: #f4f6fb; color: #15213a; border-radius: 10px; overflow: hidden; }
.concept-chrome { display: flex; align-items: center; gap: 5px; padding: 12px; background: #dfe5f1; }
.concept-chrome i { width: 6px; height: 6px; border-radius: 50%; background: #7e8faa; }
.concept-chrome span { margin-left: 10px; color: #51617d; font-size: 11px; }
.concept-webhero { padding: 28px; background: linear-gradient(120deg,#17233c,#19387b); color: #fff; }
.concept-webhero small { color: #b3c9ff; }
.concept-webhero strong { display: block; max-width: 300px; margin: 18px 0; font-size: 30px; line-height: 1.3; font-weight: 600; letter-spacing: -.025em; word-break: keep-all; }
.concept-pill { display: inline-block; padding: 7px 13px; background: #487aff; border-radius: 4px; font-size: 12px; }
.concept-webgrid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 1px; background: #cbd3e4; }
.concept-webgrid span { padding: 18px 10px; background: #f4f6fb; font-size: 13px; text-align: center; word-break: keep-all; }
.concept-poster { position: relative; padding: 28px; border: 1px solid #567fff; background: linear-gradient(140deg,#213f80,#0d1528); }
.concept-poster > strong { display: block; margin: 20px 0 32px; font-size: clamp(28px,3vw,40px); font-weight: 600; line-height: 1.18; letter-spacing: -.03em; word-break: keep-all; }
.concept-poster em { color: #96b5ff; font-style: normal; }
.concept-poster > div { display: grid; gap: 12px; padding-top: 18px; border-top: 1px solid #6d85b3; }
.concept-poster > div > span { display: grid; grid-template-columns: 80px 1fr; gap: 14px; font-size: 14px; }
.concept-poster small { color: #b9cfff; }
.concept-editor { padding: 28px; border-radius: 3px; background: #f5f2eb; color: #202632; box-shadow: 6px 6px 0 #40577f; }
.concept-editor .concept-label { color: #476291; }
.concept-editor p { font-size: 15px; line-height: 1.7; color: #596173; }
.concept-editor ol { padding: 0; margin: 24px 0; list-style: none; counter-reset: outline; }
.concept-editor li { counter-increment: outline; padding: 12px 0; border-top: 1px solid #d7d8db; font-size: 15px; }
.concept-editor li::before { content: '0' counter(outline); margin-right: 16px; color: #4168ad; font-size: 12px; }
.concept-editor-foot { display: block; font-size: 12px; color: #476291; }
.concept-storyboard { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 10px; }
.concept-frame { position: relative; min-width: 0; padding: 16px 12px; border: 1px solid #536c9f; border-radius: 14px; background: #1b2a47; }
.concept-frame:nth-child(2) { background: #2e56b4; transform: translateY(10px); }
.concept-frame > small { display: block; font-size: 10px; letter-spacing: .05em; color: #c4d4f6; }
.concept-frame-art { height: 130px; display: grid; place-items: center; }
.concept-frame-art i { width: 55px; height: 55px; border: 1px solid #bacdf7; border-radius: 50%; box-shadow: 0 0 0 12px #ffffff0c; }
.concept-frame:nth-child(2) .concept-frame-art i { border-radius: 4px; transform: rotate(-12deg); }
.concept-frame:nth-child(3) .concept-frame-art i { width: 0; height: 0; border: 22px solid transparent; border-left: 35px solid #bacdf7; border-right: 0; border-radius: 0; box-shadow: none; }
.concept-frame > strong { display: block; font-size: 16px; font-weight: 600; line-height: 1.5; word-break: keep-all; }
.concept-frame > span { display: block; margin-top: 10px; font-size: 12px; color: #c4d4f6; line-height: 1.6; word-break: keep-all; }
.concept-timeline { display: flex; gap: 4px; height: 16px; margin-top: 32px; }
.concept-timeline span { flex: 1; background: #3c5993; border-radius: 2px; }
.concept-timeline span:nth-child(2) { background: #608aff; }

.service-guide { padding: clamp(80px,10vw,128px) 0; background: #f0f2f7; }
.guide-heading { max-width: 860px; margin-bottom: 48px; }
.guide-heading h2, .scope-intro h2 { margin: 0; font-size: var(--guide-title); font-weight: 600; line-height: 1.28; letter-spacing: -.03em; word-break: keep-all; overflow-wrap: anywhere; }
.guide-heading h2 em { color: #315cc1; font-style: normal; }
.guide-heading > p:last-child { max-width: 780px; margin: 28px 0 0; color: #515a6b; font-size: 17px; line-height: 1.85; word-break: keep-all; }
.guide-checks { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); border-top: 1px solid #a8b1c3; }
.guide-checks article { position: relative; padding: 32px 28px 32px 0; }
.guide-checks article + article { padding-left: 28px; border-left: 1px solid #d0d6e1; }
.guide-number { display: block; margin-bottom: 36px; color: #3565cf; font-size: 48px; font-weight: 500; line-height: 1; letter-spacing: -.03em; }
.guide-checks small { font-size: 13px; color: #3565cf; }
.guide-checks h3 { margin: 12px 0 16px; font-size: var(--guide-card-title); font-weight: 600; line-height: 1.4; letter-spacing: -.02em; word-break: keep-all; }
.guide-checks p { margin: 0; font-size: 16px; color: #515a6b; line-height: 1.8; word-break: keep-all; }
.field-note { display: grid; grid-template-columns: 60px minmax(0,1fr); gap: 24px; margin-top: 28px; padding: 32px; border: 1px solid #b3c3e3; border-left: 4px solid #2f6bff; background: #fff; }
.field-note-mark { color: #2f6bff; font-size: 44px; line-height: 1.2; }
.field-note h3 { margin: 0 0 16px; font-size: 23px; font-weight: 600; line-height: 1.4; letter-spacing: -.02em; word-break: keep-all; }
.field-note p { margin: 0; color: #515a6b; line-height: 1.8; word-break: keep-all; }
.field-note .field-note-context { margin-top: 16px; padding-top: 16px; border-top: 1px solid #e0e5ee; font-size: 15px; }
.scope-guide { padding: clamp(80px,10vw,128px) 0; background: #10151f; color: #fff; }
.scope-layout { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px,7vw,88px); }
.scope-layout > div { min-width: 0; }
.scope-intro > p:not(.eyebrow) { margin: 24px 0 32px; color: #b1bbcd; line-height: 1.8; word-break: keep-all; }
.scope-intro .button { min-height: 56px; }
.scope-items { margin: 0; }
.scope-items > div { padding: 24px 0; border-top: 1px solid #465064; }
.scope-items dt { font-size: 21px; font-weight: 600; }
.scope-items dt span { display: inline-block; margin-right: 18px; color: #9abaff; font-size: 12px; }
.scope-items dd { margin: 10px 0 0 36px; color: #b1bbcd; line-height: 1.8; }
.measurement-note { margin-top: 16px; padding: 24px; border-radius: 8px; background: #1d2b46; }
.measurement-note h3 { margin: 0 0 12px; font-size: 18px; font-weight: 600; }
.measurement-note p { margin: 0; color: #bfcee8; line-height: 1.8; word-break: keep-all; }
@media (max-width: 900px) {
  .guide-checks, .scope-layout { grid-template-columns: 1fr; }
  .guide-checks article { padding: 28px 0; }
  .guide-checks article + article { padding-left: 0; border-left: 0; border-top: 1px solid #d0d6e1; }
  .guide-number { margin-bottom: 20px; font-size: 36px; }
}
@media (max-width: 620px) {
  .concept-flow { gap: 6px; }
  .concept-node { padding: 14px 8px; }
  .concept-node strong { font-size: 15px; }
  .concept-node > span { font-size: 12px; }
  .concept-frame { padding: 12px 8px; }
  .concept-frame-art { height: 90px; }
  .concept-frame-art i { width: 34px; height: 34px; }
  .concept-frame > strong { font-size: 14px; }
  .concept-storyboard { gap: 6px; }
  .concept-editor, .concept-poster, .concept-webhero { padding: 20px; }
  .field-note { grid-template-columns: 1fr; padding: 24px; gap: 12px; }
  .field-note-mark { display: none; }
  .field-note h3 { font-size: 21px; }
}

.delivery-section { background: #fff; }
.delivery-board { display: grid; grid-template-columns: 1.25fr repeat(3, .75fr); min-height: 340px; border: 1px solid var(--ink); box-shadow: 12px 12px 0 var(--blue-soft); }
.delivery-main { padding: 38px; display: flex; flex-direction: column; background: var(--blue); color: #fff; }
.delivery-main > span { font-size: 12px; font-weight: 700; letter-spacing: .12em; }
.delivery-main > strong { margin: auto 0 20px; font-size: clamp(34px, 4vw, 54px); font-weight: 620; line-height: 1.08; letter-spacing: -.05em; word-break: keep-all; }
.delivery-main > p { margin: 0; color: rgba(255,255,255,.76); font-size: 15px; line-height: 1.75; }
.delivery-item { padding: 34px 26px; border-left: 1px solid var(--line); display: flex; flex-direction: column; background: #fff; }
.delivery-item small { color: var(--blue); font-weight: 700; }
.delivery-item p { margin: auto 0 0; font-size: 19px; font-weight: 600; line-height: 1.48; letter-spacing: -.025em; word-break: keep-all; }

.diagnostic-section { background: #edf1fb; }
.diagnostic-section .section-heading.compact { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, .72fr); align-items: end; gap: 24px 70px; }
.diagnostic-section .section-heading .eyebrow { grid-column: 1 / -1; }
.diagnostic-section .section-heading h2 { max-width: 800px; }
.diagnostic-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.diagnostic-grid article { min-height: 190px; padding: 28px 30px; display: grid; grid-template-columns: 48px 1fr; align-items: end; gap: 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.56); }
.diagnostic-grid article:nth-child(2n) { border-right: 0; }
.diagnostic-grid article:nth-last-child(-n+2) { border-bottom: 0; }
.diagnostic-grid span { align-self: start; color: var(--blue); font-size: 12px; font-weight: 700; letter-spacing: .14em; }
.diagnostic-grid p { max-width: 470px; margin: 0; font-size: clamp(18px, 2.2vw, 24px); font-weight: 590; line-height: 1.5; letter-spacing: -.03em; word-break: keep-all; }

.process-section { padding: clamp(90px, 10vw, 130px) 0; color: #fff; background: var(--ink); overflow: hidden; }
.process-section::after { content: ''; position: absolute; width: 430px; height: 430px; right: -180px; top: -190px; border: 65px solid rgba(47,107,255,.08); border-radius: 50%; }
.process-layout { display: grid; grid-template-columns: .84fr 1.16fr; gap: clamp(60px, 9vw, 120px); }
.process-heading { position: relative; z-index: 1; }
.process-heading h2 { max-width: 520px; margin: 0; font-size: clamp(34px, 4.5vw, 54px); font-weight: 610; line-height: 1.2; letter-spacing: -.045em; word-break: keep-all; text-wrap: balance; }
.process-heading > p:last-child { max-width: 520px; margin: 28px 0 0; color: rgba(255,255,255,.58); font-size: 16px; line-height: 1.8; word-break: keep-all; }
.process-list { position: relative; z-index: 1; margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line-dark); }
.process-list li { min-height: 150px; padding: 28px 0; display: grid; grid-template-columns: 52px 1fr; gap: 20px; border-bottom: 1px solid var(--line-dark); }
.process-list li > span { color: var(--blue-light); font-size: 12px; font-weight: 700; letter-spacing: .12em; }
.process-list strong { display: block; font-size: 21px; font-weight: 600; line-height: 1.45; letter-spacing: -.025em; }
.process-list p { max-width: 600px; margin: 10px 0 0; color: rgba(255,255,255,.56); line-height: 1.75; word-break: keep-all; }

.faq-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: clamp(50px, 10vw, 120px); }
.section-heading.sticky { position: sticky; top: 120px; align-self: start; margin: 0; }
.faq-list { border-top: 1px solid var(--ink); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary { min-height: 92px; padding: 24px 4px; display: grid; grid-template-columns: 44px 1fr 30px; align-items: center; gap: 14px; cursor: pointer; list-style: none; font-size: 18px; font-weight: 600; letter-spacing: -.025em; word-break: keep-all; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary span { color: var(--blue); font-size: 12px; }
.faq-item summary i { font-style: normal; font-size: 24px; font-weight: 300; transition: transform .2s ease; }
.faq-item[open] summary i { transform: rotate(45deg); }
.faq-item p { margin: 0; padding: 0 46px 30px 62px; color: var(--muted); line-height: 1.8; word-break: keep-all; }

.inquiry-section { padding: clamp(100px, 12vw, 160px) 0; color: #fff; background: var(--ink); }
.inquiry-copy { margin-bottom: 48px; }
.inquiry-copy h2 { max-width: 880px; margin: 0; font-size: clamp(36px, 5.6vw, 68px); font-weight: 610; line-height: 1.13; letter-spacing: -.055em; word-break: keep-all; text-wrap: balance; }
.inquiry-copy h2 em { color: var(--blue-light); font-style: normal; }
.inquiry-copy > p:last-child { margin: 24px 0 0; color: rgba(255,255,255,.55); }
.inquiry-copy > p:last-child strong { color: #fff; }
.inquiry-panel { position: relative; border: 2px solid #111; border-radius: 12px; background: #fbfbfc; color: var(--ink); box-shadow: 14px 14px 0 rgba(47,107,255,.23); overflow: hidden; }
.inquiry-panel::before { content: ''; position: absolute; inset: 0 0 auto; height: 5px; background: var(--blue); }
.inquiry-form { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 20px; padding: clamp(26px, 4.8vw, 52px); }
.form-status { display: none; grid-column: 1 / -1; padding: 14px 16px; border: 1px solid #e44747; border-radius: 8px; background: #fff1f1; color: #b42318; font-size: 14px; font-weight: 600; }
.form-status.show { display: block; }
.form-status.success { display: block; border-color: #26834a; background: #eefbf2; color: #176838; }
.field { display: grid; gap: 9px; margin: 0; padding: 0; border: 0; min-width: 0; }
.field.full, .privacy-box, .form-actions { grid-column: 1 / -1; }
.field label, .field legend { padding: 0; font-size: 15px; font-weight: 650; }
.field label span, .field legend span { display: inline-flex; margin-left: 6px; padding: 3px 8px; border: 1px solid #aec6ff; border-radius: 999px; background: #edf3ff; color: var(--blue); font-size: 11px; line-height: 1.2; vertical-align: 2px; }
.field input { width: 100%; height: 60px; padding: 0 18px; border: 1.5px solid #d4d6da; border-radius: 9px; background: #fff; color: var(--ink); font-size: 16px; outline: 0; transition: border-color .18s ease, box-shadow .18s ease; }
.field input:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(47,107,255,.12); }
.field input::placeholder { color: #969aa2; }
.field input.invalid { border-color: #d92d20; }
.phone-inputs { display: grid; grid-template-columns: 1fr 18px 1fr 18px 1fr; align-items: center; gap: 6px; }
.phone-inputs i { color: #a9adb5; text-align: center; font-style: normal; }
.privacy-box { margin-top: 2px; border: 1px solid #d5d8dc; border-radius: 9px; overflow: hidden; }
.privacy-toggle { width: 100%; min-height: 56px; padding: 0 18px; border: 0; background: #f0f2f5; display: flex; align-items: center; justify-content: space-between; cursor: pointer; font-size: 14px; font-weight: 650; }
.privacy-toggle i { color: #9298a3; font-style: normal; transition: transform .2s ease; }
.privacy-toggle[aria-expanded='true'] i { transform: rotate(180deg); }
.privacy-content { padding: 16px 18px; border-top: 1px solid #dfe1e4; color: #656a73; font-size: 13px; }
.privacy-content p { margin: 0 0 5px; }
.privacy-content p:last-child { margin-bottom: 0; }
.privacy-content strong { display: inline-block; min-width: 68px; color: #30343a; }
.privacy-check { min-height: 60px; padding: 0 18px; border-top: 1px solid #dfe1e4; display: flex; align-items: center; gap: 12px; cursor: pointer; font-size: 14px; font-weight: 600; }
.privacy-check input { width: 20px; height: 20px; accent-color: var(--blue); }
.form-actions { display: grid; grid-template-columns: 1.05fr 1fr; gap: 14px; margin-top: 4px; }
.form-actions .button { width: 100%; min-height: 62px; }
.form-actions .button-primary:disabled { opacity: .55; cursor: wait; transform: none; }

.site-footer { padding: 54px 0 96px; color: rgba(255,255,255,.58); background: #050506; }
.site-footer .shell { display: grid; grid-template-columns: 1fr auto; gap: 12px 30px; align-items: end; }
.site-footer strong { color: #fff; font-size: 18px; letter-spacing: .02em; }
.site-footer p, .site-footer small { margin: 0; font-size: 13px; }
.site-footer small { grid-column: 2; }
.mobile-cta { display: none; }

.directory-hero { padding: 180px 0 110px; color: #fff; background: var(--ink); }
.directory-hero h1 { max-width: 930px; margin: 0; font-size: clamp(46px, 7.2vw, 88px); font-weight: 620; line-height: 1.04; letter-spacing: -.06em; word-break: keep-all; }
.directory-hero h1 em { color: var(--blue-light); font-style: normal; }
.directory-hero > .shell > p:not(.eyebrow) { max-width: 760px; margin: 34px 0; color: rgba(255,255,255,.62); font-size: 18px; line-height: 1.8; word-break: keep-all; }
.directory-body { padding-top: 100px; padding-bottom: 130px; }
.directory-group { margin-bottom: 100px; scroll-margin-top: 80px; }
.directory-group:last-child { margin-bottom: 0; }
.directory-group-head { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 25px; padding-bottom: 18px; border-bottom: 1px solid var(--ink); }
.directory-group-head h2 { margin: 0; font-size: clamp(28px, 4vw, 44px); font-weight: 620; line-height: 1.2; letter-spacing: -.045em; }
.directory-group-head span { color: var(--muted); font-size: 13px; }
.directory-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.directory-card { min-width: 0; padding: 24px; border: 1px solid var(--line); background: #fff; }
.directory-card > span { color: var(--blue); font-size: 11px; font-weight: 700; letter-spacing: .08em; }
.directory-card h3 { margin: 20px 0 22px; font-size: 23px; font-weight: 630; line-height: 1.3; letter-spacing: -.035em; word-break: keep-all; }
.directory-card > div { display: flex; flex-wrap: wrap; gap: 7px; }
.directory-card a { padding: 6px 10px; border: 1px solid #dde0e5; border-radius: 999px; color: #5f646d; background: #f8f9fa; font-size: 12px; line-height: 1.3; transition: border-color .18s ease, color .18s ease, background .18s ease; }
.directory-card a:hover { border-color: var(--blue); color: #fff; background: var(--blue); }

html[data-variant='1'] .hero::before { right: auto; left: -240px; }
html[data-variant='1'] .hero h1 { margin-left: auto; text-align: right; }
html[data-variant='1'] .hero-bottom { grid-template-columns: auto minmax(0,1fr); }
html[data-variant='1'] .hero-bottom > p { grid-column: 2; text-align: right; justify-self: end; }
html[data-variant='1'] .hero-actions { grid-row: 1; grid-column: 1; }
html[data-variant='1'] .hero-note { margin-left: auto; }
html[data-variant='2'] .delivery-main { background: var(--ink); }
html[data-variant='3'] .signal-grid article:nth-child(2) { color: #fff; background: var(--blue); }
html[data-variant='3'] .signal-grid article:nth-child(2) p, html[data-variant='3'] .signal-grid article:nth-child(2) > span { color: rgba(255,255,255,.76); }

@media (max-width: 900px) {
  .header-inner { grid-template-columns: 1fr auto; }
  .hero { min-height: auto; }
  .hero-bottom, html[data-variant='1'] .hero-bottom { grid-template-columns: 1fr; align-items: start; }
  html[data-variant='1'] .hero-bottom > p, html[data-variant='1'] .hero-actions { grid-column: 1; grid-row: auto; text-align: left; justify-self: auto; }
  .section-heading { grid-template-columns: 1fr; gap: 24px; }
  .signal-grid { grid-template-columns: 1fr; }
  .signal-grid article { min-height: 230px; border-right: 0; border-bottom: 1px solid var(--line); }
  .signal-grid article:last-child { border-bottom: 0; }
  .system-layout, .faq-layout { grid-template-columns: 1fr; }
  .system-copy, .section-heading.sticky { position: static; }
  .delivery-board { grid-template-columns: 1fr 1fr; }
  .delivery-main { grid-column: 1 / -1; min-height: 290px; }
  .delivery-item { min-height: 190px; border-top: 1px solid var(--line); }
  .delivery-item:nth-child(2) { border-left: 0; }
  .diagnostic-section .section-heading.compact { grid-template-columns: 1fr; }
  .diagnostic-section .section-heading .eyebrow { grid-column: 1; }
  .process-layout { grid-template-columns: 1fr; }
  .directory-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  .shell, .header-inner { width: min(calc(100% - 32px), var(--shell)); }
  .site-header { position: absolute; }
  .header-inner { min-height: 62px; }
  .header-call strong { display: none; }
  .hero { padding: 112px 0 64px; }
  .hero::before { width: 400px; height: 400px; border-width: 50px; }
  .hero h1 { font-size: clamp(42px, 13.5vw, 62px); line-height: 1.08; letter-spacing: -.045em; }
  html[data-variant='1'] .hero h1 { margin-left: 0; text-align: left; }
  .hero-bottom { margin-top: 36px; gap: 26px; }
  .hero-actions { width: 100%; display: grid; }
  .hero-note { margin-top: 38px; }
  .section-heading { margin-bottom: 38px; }
  .section-heading h2, .inquiry-copy h2 { font-size: clamp(32px, 10vw, 44px); }
  .signal-grid article { padding: 28px 24px; }
  .system-list li { grid-template-columns: 38px 1fr; }
  .delivery-board { grid-template-columns: 1fr; box-shadow: 8px 8px 0 var(--blue-soft); }
  .delivery-main { grid-column: 1; min-height: 270px; }
  .delivery-item { min-height: 150px; border-left: 0; }
  .diagnostic-grid { grid-template-columns: 1fr; }
  .diagnostic-grid article { min-height: 170px; padding: 24px 20px; grid-template-columns: 36px 1fr; border-right: 0; }
  .diagnostic-grid article:nth-last-child(-n+2) { border-bottom: 1px solid var(--line); }
  .diagnostic-grid article:last-child { border-bottom: 0; }
  .process-list li { grid-template-columns: 38px 1fr; }
  .faq-item summary { grid-template-columns: 34px 1fr 22px; font-size: 16px; }
  .faq-item p { padding-left: 48px; padding-right: 8px; }
  .inquiry-section { padding-bottom: 100px; }
  .inquiry-form { grid-template-columns: 1fr; padding: 24px 18px; gap: 16px; }
  .phone-inputs { grid-template-columns: .75fr 12px 1fr 12px 1fr; gap: 4px; }
  .field input { height: 56px; padding: 0 13px; }
  .form-actions { grid-template-columns: 1fr; }
  .site-footer .shell { grid-template-columns: 1fr; }
  .site-footer small { grid-column: 1; }
  .mobile-cta { position: fixed; z-index: 70; left: 10px; right: 10px; bottom: 10px; display: grid; grid-template-columns: .82fr 1.18fr; border: 1px solid rgba(255,255,255,.2); border-radius: 10px; overflow: hidden; box-shadow: 0 14px 36px rgba(0,0,0,.28); }
  .mobile-cta a { min-height: 54px; display: grid; place-items: center; background: #fff; color: var(--ink); font-size: 14px; font-weight: 700; }
  .mobile-cta a:last-child { background: var(--blue); color: #fff; }
  .directory-hero { padding: 130px 0 78px; }
  .directory-hero h1 { font-size: clamp(40px, 13vw, 58px); }
  .directory-body { padding-top: 72px; padding-bottom: 90px; }
  .directory-group { margin-bottom: 74px; }
  .directory-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}
