:root {
    --ink: #12151b;
    --muted: #606875;
    --line: #dfe3e9;
    --soft: #f5f6f8;
    --paper: #fff;
    --accent: #2452d6;
    --shell: min(1240px, calc(100vw - 64px));
    --header: 76px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 1rem; line-height: 1.65; word-break: keep-all; overflow-wrap: break-word; -webkit-font-smoothing: antialiased; font-kerning: normal; }
body.menu-open { overflow: hidden; }
img { display: block; width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
.shell { width: var(--shell); margin-inline: auto; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 100; left: 16px; top: 12px; padding: 10px 14px; color: #fff; background: var(--ink); transform: translateY(-150%); }
.skip-link:focus { transform: none; }
:focus-visible { outline: 3px solid rgba(36,82,214,.35); outline-offset: 4px; }

.site-header { position: relative; z-index: 20; height: var(--header); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.96); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.logo { display: inline-flex; align-items: center; flex: 0 0 auto; }
.logo img { width: 132px; height: 28px; object-fit: contain; }
.desktop-nav { display: flex; align-items: center; gap: 32px; margin-left: auto; margin-right: 38px; }
.desktop-nav a, .language-link { color: #3f4651; font-size: .875rem; font-weight: 560; letter-spacing: 0; }
.desktop-nav a:hover, .desktop-nav a[aria-current="page"], .language-link:hover { color: var(--accent); }
.header-actions { display: flex; align-items: center; gap: 22px; }
.button { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; gap: 18px; padding: 0 21px; border: 1px solid var(--ink); border-radius: 3px; color: #fff; background: var(--ink); font-size: .9375rem; font-weight: 620; transition: background .2s ease, border-color .2s ease, transform .2s ease; }
.button:hover { background: var(--accent); border-color: var(--accent); transform: translateY(-2px); }
.button--small { min-height: 40px; padding-inline: 17px; font-size: .8125rem; }
.text-link { display: inline-flex; align-items: center; gap: 16px; min-height: 48px; font-size: .875rem; font-weight: 600; border-bottom: 1px solid var(--ink); }
.menu-button { display: none; width: 42px; height: 42px; padding: 11px 8px; border: 0; background: none; cursor: pointer; }
.menu-button span:not(.sr-only) { display: block; width: 24px; height: 1px; margin: 6px auto; background: currentColor; }
.mobile-navigation { display: none; }

.overline { margin: 0; color: var(--accent); font-size: .75rem; line-height: 1.2; font-weight: 680; letter-spacing: .1em; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { letter-spacing: -.035em; text-wrap: balance; }
h1 { max-width: 760px; margin-bottom: 30px; font-size: clamp(2.75rem, 4.5vw, 4rem); line-height: 1.1; font-weight: 620; }
h2 { margin-bottom: 0; font-size: clamp(2rem, 3.5vw, 2.85rem); line-height: 1.18; font-weight: 560; }
h3 { font-size: 1.25rem; line-height: 1.35; font-weight: 600; letter-spacing: -.025em; }
.lead { max-width: 650px; margin-bottom: 0; color: #454d58; font-size: 1.125rem; line-height: 1.72; letter-spacing: -.01em; text-wrap: pretty; }
.line-set span { display: block; white-space: nowrap; }
.line-set--mobile { display: none; }

.home-hero, .page-hero { padding: 68px 0 88px; }
.home-hero__grid, .page-hero__grid { display: grid; grid-template-columns: minmax(0, .95fr) minmax(440px, .78fr); gap: clamp(56px, 7vw, 104px); align-items: end; }
.home-hero__copy, .page-hero__copy { padding-bottom: 20px; }
.home-hero .overline, .page-hero .overline { margin-bottom: 26px; }
.actions { display: flex; align-items: center; gap: 28px; margin-top: 40px; }
figure { margin: 0; }
.home-hero__media img, .page-hero__media img { aspect-ratio: 3/2; object-fit: cover; border-radius: 4px; background: var(--soft); }
figcaption { margin-top: 13px; color: #777e88; font-size: 12px; line-height: 1.5; }

.section { padding: 112px 0; border-top: 1px solid var(--line); }
.section--soft { background: var(--soft); }
.section-heading { display: grid; grid-template-columns: 210px minmax(0, 1fr); gap: 40px; margin-bottom: 70px; }
.section-heading > div > p { max-width: 650px; margin: 24px 0 0; color: var(--muted); font-size: 17px; }
.service-ledger { border-top: 1px solid var(--ink); }
.service-ledger article { display: grid; grid-template-columns: 88px minmax(210px, .72fr) minmax(280px, 1fr); gap: 28px; padding: 27px 0 30px; border-bottom: 1px solid var(--line); align-items: start; }
.service-ledger span, .process-list > li > span, .principle-grid > li > span, .culture-list > li > span { color: var(--accent); font: 700 12px/1.3 ui-monospace, SFMono-Regular, Menlo, monospace; }
.service-ledger h3, .service-ledger p { margin: 0; }
.service-ledger p { max-width: 580px; color: var(--muted); }

.evidence { padding: 112px 0; color: #fff; background: #171a20; }
.evidence__grid { display: grid; grid-template-columns: 1fr .88fr; gap: clamp(50px, 7vw, 100px); align-items: center; }
.evidence figure img { aspect-ratio: 3/2; object-fit: cover; border-radius: 3px; }
.evidence__copy .overline { margin-bottom: 25px; color: #91aaff; }
.evidence__copy p:not(.overline) { max-width: 620px; margin: 28px 0 32px; color: #bec4ce; font-size: 17px; }
.evidence__copy ul { display: flex; flex-wrap: wrap; gap: 9px; padding: 0; margin: 0; list-style: none; }
.evidence__copy li { padding: 7px 10px; border: 1px solid #4b505a; border-radius: 2px; color: #dfe3ea; font-size: 10px; font-weight: 750; letter-spacing: .08em; }

.process-list, .principle-grid, .culture-list { padding: 0; margin: 0; list-style: none; }
.process-list { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--ink); }
.process-list li { min-height: 244px; padding: 25px 32px 24px 0; border-bottom: 1px solid var(--line); }
.process-list li + li { padding-left: 32px; border-left: 1px solid var(--line); }
.process-list h3 { margin: 46px 0 12px; }
.process-list p, .principle-grid p, .culture-list p { max-width: 390px; margin: 0; color: var(--muted); }
.contact-section { padding: 112px 0; border-top: 1px solid var(--line); }
.contact-section__inner { display: grid; grid-template-columns: 1fr 330px; gap: 80px; }
.contact-section h2 { margin: 24px 0; }
.contact-section p:not(.overline) { max-width: 670px; margin-bottom: 0; color: var(--muted); font-size: 17px; }
.contact-action { align-self: end; }
.contact-action .button { width: 100%; }
.contact-action address { margin-top: 20px; color: var(--muted); font-size: 13px; font-style: normal; }

.page-hero { padding-top: 82px; }
.page-hero__copy { align-self: center; }
.page-hero h1 { font-size: clamp(2.65rem, 4vw, 3.6rem); font-weight: 580; line-height: 1.14; }
.statement-section, .scope-section { padding: 118px 0; color: #fff; background: #171a20; }
.statement-section__grid, .scope-section__grid { display: grid; grid-template-columns: 210px 1fr; gap: 40px; }
.statement-section .overline, .scope-section .overline { color: #91aaff; }
.statement-body, .scope-section__grid > div > p { max-width: 700px; margin: 30px 0 0; color: #c4c9d1; font-size: 18px; }
.principle-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--ink); }
.principle-grid li { min-height: 240px; padding: 26px 42px 34px 0; border-bottom: 1px solid var(--line); }
.principle-grid li:nth-child(even) { padding-left: 42px; border-left: 1px solid var(--line); }
.principle-grid h3 { margin: 48px 0 12px; }
.culture-list { border-top: 1px solid var(--ink); }
.culture-list li { display: grid; grid-template-columns: 90px minmax(0, 1fr); padding: 32px 0; border-bottom: 1px solid var(--line); }
.culture-list h3 { margin: 0 0 9px; }
.environment-section { padding: 112px 0; background: var(--soft); }
.environment-section__grid { display: grid; grid-template-columns: 1fr .9fr; align-items: center; gap: clamp(50px, 7vw, 100px); }
.environment-section img { aspect-ratio: 3/2; object-fit: cover; border-radius: 3px; }
.environment-section .overline { margin-bottom: 24px; }
.environment-section h2 { margin-bottom: 27px; }
.environment-section p:not(.overline) { max-width: 650px; margin: 0; color: var(--muted); font-size: 17px; }
.company-facts { margin: 0; border-top: 1px solid var(--ink); }
.company-facts > div { display: grid; grid-template-columns: 230px 1fr; padding: 22px 0; border-bottom: 1px solid var(--line); }
.company-facts dt { color: var(--muted); font-size: 14px; }
.company-facts dd { margin: 0; font-size: 17px; font-weight: 500; }
.company-facts a { color: var(--accent); text-decoration: underline; text-underline-offset: 4px; }
.scope-section .button { margin-top: 38px; color: var(--ink); background: #fff; border-color: #fff; }
.scope-section .button:hover { color: #fff; background: var(--accent); border-color: var(--accent); }
.error-page { min-height: 64vh; display: grid; align-items: center; padding: 100px 0; }
.error-page .overline { margin-bottom: 24px; }
.error-page h1 { margin-bottom: 18px; }
.error-page p:not(.overline) { margin-bottom: 32px; color: var(--muted); }

.site-footer { padding: 58px 0 34px; color: #d7dbe2; background: #111318; }
.footer-main { display: grid; grid-template-columns: 1fr auto; gap: 50px; align-items: start; }
.site-footer .logo img { filter: brightness(0) invert(1); }
.footer-main > div > p { max-width: 420px; margin: 20px 0 0; color: #959ca8; font-size: 13px; }
.footer-main nav { display: flex; gap: 26px; }
.footer-main nav a { color: #b7bdc7; font-size: 13px; }
.footer-legal { display: flex; flex-wrap: wrap; gap: 10px 22px; padding-top: 38px; margin-top: 38px; border-top: 1px solid #30343b; color: #959ca8; font-size: 12px; }
.footer-legal address { font-style: normal; }

[data-reveal] { opacity: 1; transform: none; }

@media (max-width: 980px) {
    :root { --shell: min(100% - 40px, 760px); }
    .desktop-nav, .header-actions > .language-link, .header-actions > .button { display: none; }
    .menu-button { display: block; }
    .home-hero__grid, .page-hero__grid { grid-template-columns: 1fr; gap: 52px; }
    .home-hero__copy, .page-hero__copy { padding-bottom: 0; }
    .home-hero__media, .page-hero__media { width: min(100%, 720px); }
    .section-heading, .statement-section__grid, .scope-section__grid { grid-template-columns: 160px minmax(0,1fr); }
    .evidence__grid, .environment-section__grid { grid-template-columns: 1fr; }
    .contact-section__inner { grid-template-columns: 1fr; }
    .contact-action { max-width: 420px; }
    .mobile-navigation { position: fixed; z-index: 40; inset: 0; display: flex; flex-direction: column; padding: 17px 20px 28px; color: #fff; background: #14171d; visibility: hidden; opacity: 0; pointer-events: none; transition: opacity .2s ease, visibility .2s ease; }
    .mobile-navigation.is-open { visibility: visible; opacity: 1; pointer-events: auto; }
    .mobile-navigation__top { height: 42px; display: flex; align-items: center; justify-content: space-between; }
    .mobile-navigation .logo img { filter: brightness(0) invert(1); }
    .mobile-navigation__top button { width: 42px; height: 42px; padding: 0; border: 0; color: #fff; background: none; font-size: 32px; cursor: pointer; }
    .mobile-navigation nav { display: grid; gap: 8px; margin-top: 72px; }
    .mobile-navigation nav a { padding: 5px 0; font-size: clamp(2rem, 8vw, 3rem); line-height: 1.22; font-weight: 580; letter-spacing: -.03em; }
    .mobile-navigation__bottom { display: flex; justify-content: space-between; padding-top: 20px; margin-top: auto; border-top: 1px solid #3b3f47; color: #b7bdc7; font-size: 13px; }
}

@media (max-width: 700px) {
    :root { --shell: calc(100% - 32px); --header: 66px; }
    body { font-size: 1rem; line-height: 1.68; }
    h1, .page-hero h1 { margin-bottom: 23px; font-size: clamp(2.25rem, 10vw, 2.65rem); line-height: 1.14; }
    .line-set span { max-width: 100%; white-space: normal; overflow-wrap: anywhere; }
    h2 { font-size: clamp(1.85rem, 8vw, 2.25rem); line-height: 1.2; }
    h3 { font-size: 1.125rem; }
    .lead { font-size: 1.0625rem; line-height: 1.68; }
    .home-hero, .page-hero { padding: 48px 0 64px; }
    .home-hero__grid, .page-hero__grid { gap: 42px; }
    .home-hero .overline, .page-hero .overline { margin-bottom: 20px; }
    .actions { align-items: stretch; flex-direction: column; gap: 14px; margin-top: 32px; }
    .actions .button { width: 100%; }
    .actions .text-link { align-self: flex-start; }
    .section, .evidence, .statement-section, .scope-section, .environment-section, .contact-section { padding: 78px 0; }
    .section-heading, .statement-section__grid, .scope-section__grid { grid-template-columns: 1fr; gap: 25px; margin-bottom: 46px; }
    .section-heading > div > p { margin-top: 20px; font-size: 15px; }
    .service-ledger article { grid-template-columns: 44px 1fr; gap: 10px; padding: 23px 0 26px; }
    .service-ledger p { grid-column: 2; font-size: 14px; }
    .evidence__grid, .environment-section__grid { gap: 45px; }
    .evidence__copy p:not(.overline), .environment-section p:not(.overline), .statement-body, .scope-section__grid > div > p { font-size: 15px; }
    .process-list { grid-template-columns: 1fr; }
    .process-list li, .process-list li + li { min-height: 0; display: grid; grid-template-columns: 44px 1fr; gap: 10px; padding: 24px 0; border-left: 0; }
    .process-list h3 { margin: 0 0 8px; }
    .principle-grid { grid-template-columns: 1fr; }
    .principle-grid li, .principle-grid li:nth-child(even) { min-height: 0; padding: 24px 0 28px; border-left: 0; }
    .principle-grid h3 { margin: 34px 0 9px; }
    .culture-list li { grid-template-columns: 44px 1fr; padding: 26px 0; }
    .company-facts > div { grid-template-columns: 1fr; gap: 5px; padding: 19px 0; }
    .company-facts dd { font-size: 15px; }
    .contact-section__inner { gap: 44px; }
    .footer-main { grid-template-columns: 1fr; }
    .footer-main nav { flex-wrap: wrap; gap: 13px 24px; }
    .footer-legal { display: grid; gap: 7px; }
}

@media (max-width: 820px) {
    .line-set--desktop { display: none; }
    .line-set--mobile { display: block; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
    [data-reveal] { opacity: 1; transform: none; }
}
