:root {
  --graphite: #0e1013;
  --paper: #f1ede6;
  --paper-deep: #e7e0d5;
  --purple: #9384e0;
  --purple-light: #bab0f0;
  --muted: #66645f;
  --line: rgba(14, 16, 19, 0.18);
  --dark-line: rgba(241, 237, 230, 0.2);
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--graphite); background: var(--paper); font-family: Inter, Pretendard, "Noto Sans KR", "Segoe UI", sans-serif; line-height: 1.6; word-break: keep-all; text-rendering: optimizeLegibility; }
a { color: inherit; text-decoration: none; }
img { display: block; }
.skip-link { position: fixed; top: 10px; left: 10px; z-index: 100; padding: 10px 14px; color: var(--paper); background: var(--graphite); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.section-shell { width: min(calc(100% - 48px), var(--max)); margin-inline: auto; }
.site-header { width: min(calc(100% - 48px), var(--max)); height: 88px; margin-inline: auto; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 760; letter-spacing: -0.04em; }
.site-header nav, .site-footer nav { display: flex; align-items: center; gap: 28px; }
.site-header nav a, .site-footer nav a { font-size: 14px; font-weight: 680; }
.site-header nav a:hover, .site-header nav a:focus-visible, .site-footer nav a:hover, .site-footer nav a:focus-visible { color: #6758b5; }
.hero { min-height: 730px; padding: 96px 0 112px; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(430px, 0.95fr); gap: 84px; align-items: center; }
.eyebrow { margin: 0 0 20px; display: flex; align-items: center; gap: 10px; color: #6254ad; font-size: 12px; font-weight: 800; letter-spacing: 0.16em; text-transform: uppercase; }
.eyebrow > span { width: 25px; height: 2px; background: var(--purple); }
.hero h1, .section-heading h2, .data-card h2, .uninstall-card h2, .support-inner h2, .document-hero h1 { margin: 0; font-size: clamp(40px, 5vw, 70px); line-height: 1.08; letter-spacing: -0.065em; }
.hero-lead { max-width: 650px; margin: 30px 0 36px; color: #494946; font-size: 20px; line-height: 1.75; letter-spacing: -0.025em; }
.store-status { width: fit-content; padding: 12px 16px; display: flex; align-items: center; gap: 12px; border: 1px solid var(--line); }
.status-dot { width: 9px; height: 9px; background: var(--purple); border-radius: 50%; }
.store-status div { display: grid; grid-template-columns: auto auto; align-items: baseline; gap: 12px; }
.store-status strong { font-size: 13px; }
.store-status small { color: var(--muted); font-size: 12px; }
.hero-board { padding: 28px; color: var(--paper); background: var(--graphite); border: 1px solid var(--graphite); box-shadow: 18px 18px 0 var(--purple-light); }
.board-top { display: flex; justify-content: space-between; align-items: center; padding-bottom: 22px; border-bottom: 1px solid var(--dark-line); font-size: 13px; font-weight: 750; }
.local-chip { padding: 5px 9px; color: var(--purple-light); border: 1px solid rgba(186, 176, 240, 0.45); font-size: 11px; }
.task-flow { margin: 0; padding: 8px 0; list-style: none; }
.task-flow li { padding: 22px 0; display: grid; grid-template-columns: 42px 1fr; gap: 12px; border-bottom: 1px solid var(--dark-line); }
.task-flow li > span { color: var(--purple-light); font-size: 11px; font-weight: 800; letter-spacing: .12em; }
.task-flow li div { display: flex; flex-direction: column; gap: 4px; }
.task-flow strong { font-size: 16px; }
.task-flow small { color: #a9a8a4; font-size: 13px; }
.task-flow .is-waiting { border-bottom: 0; }
.task-flow .is-waiting strong { color: var(--purple-light); }
.approval-card { margin-top: 10px; padding: 16px; display: flex; align-items: center; justify-content: space-between; gap: 20px; color: var(--graphite); background: var(--purple-light); }
.approval-card div { display: flex; flex-direction: column; }
.approval-card div span { font-size: 10px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.approval-card strong { font-size: 13px; }
.approval-mark { width: 30px; height: 30px; display: grid; place-items: center; border: 1px solid rgba(14,16,19,.4); border-radius: 50%; font-weight: 800; }
.promise-strip { min-height: 82px; margin: 0; padding: 20px 24px; display: flex; align-items: center; justify-content: center; gap: 28px; color: var(--paper); background: var(--purple); }
.promise-strip p { margin: 0; font-size: 13px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.promise-strip > span { width: 4px; height: 4px; background: var(--graphite); border-radius: 50%; }
.section-block { padding-block: 132px; }
.section-heading { max-width: 760px; }
.section-heading h2, .data-card h2, .uninstall-card h2, .support-inner h2 { font-size: clamp(36px, 4.2vw, 58px); }
.feature-grid { margin-top: 72px; display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.feature-grid article { min-height: 280px; padding: 36px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.feature-number { color: #6758b5; font-size: 12px; font-weight: 800; letter-spacing: .12em; }
.feature-grid h3 { margin: 64px 0 10px; font-size: 24px; letter-spacing: -.04em; }
.feature-grid p { max-width: 440px; margin: 0; color: var(--muted); font-size: 16px; }
.connection-note { margin-top: 28px; padding: 28px 32px; display: flex; align-items: center; gap: 22px; background: var(--paper-deep); border-left: 5px solid var(--purple); }
.connection-note strong { font-size: 17px; }
.connection-note p { margin: 4px 0 0; color: var(--muted); }
.dark-section { color: var(--paper); background: var(--graphite); }
.model-layout { padding-block: 132px; display: grid; grid-template-columns: .85fr 1.15fr; gap: 90px; align-items: end; }
.section-heading-light .eyebrow { color: var(--purple-light); }
.section-heading-light > p:last-child { margin: 28px 0 0; color: #aaa9a5; font-size: 17px; }
.model-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--dark-line); border: 1px solid var(--dark-line); }
.model-cards article { min-height: 330px; padding: 28px; background: var(--graphite); }
.model-label { display: inline-block; padding: 7px 10px; font-size: 11px; font-weight: 800; letter-spacing: .08em; }
.model-label.measured { color: var(--graphite); background: var(--purple-light); }
.model-label.external { color: var(--purple-light); border: 1px solid var(--purple); }
.model-cards h3 { margin: 120px 0 12px; font-size: 22px; letter-spacing: -.04em; }
.model-cards p { margin: 0; color: #aaa9a5; font-size: 14px; }
.requirements-section { display: grid; grid-template-columns: .72fr 1.28fr; gap: 88px; align-items: start; }
.spec-table { border-top: 2px solid var(--graphite); }
.spec-row { min-height: 86px; padding: 20px 0; display: grid; grid-template-columns: 185px 1fr; gap: 22px; align-items: start; border-bottom: 1px solid var(--line); }
.spec-row strong { font-size: 14px; }
.spec-row p { margin: 0; font-size: 16px; }
.spec-row small { color: var(--muted); font-size: 13px; }
.ollama-note { grid-column: 2; margin: 0; padding: 20px 24px; color: var(--paper); background: var(--purple); }
.ollama-note strong { display: block; margin-bottom: 3px; color: var(--graphite); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; }
.two-column-section { padding-bottom: 132px; display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); }
.data-card, .uninstall-card { min-height: 510px; padding: 70px 56px 56px 0; }
.uninstall-card { padding-left: 56px; padding-right: 0; border-left: 1px solid var(--line); }
.data-card > p:not(.eyebrow), .uninstall-card > p:not(.eyebrow) { margin: 28px 0 0; color: var(--muted); font-size: 16px; }
.data-card > a { margin-top: 58px; display: inline-flex; gap: 16px; padding-bottom: 5px; border-bottom: 1px solid var(--graphite); font-weight: 750; }
.uninstall-card ul { margin: 36px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.uninstall-card li { padding: 15px 0; display: flex; gap: 16px; border-bottom: 1px solid var(--line); font-weight: 700; }
.uninstall-card li span { color: #6758b5; font-size: 11px; letter-spacing: .1em; }
.support-band { color: var(--paper); background: var(--graphite); }
.support-inner { padding-block: 82px; display: flex; align-items: flex-end; justify-content: space-between; gap: 48px; }
.support-inner .eyebrow { color: var(--purple-light); }
.support-actions { min-width: 360px; display: flex; flex-direction: column; }
.support-actions a { padding: 16px 0; display: flex; justify-content: space-between; border-bottom: 1px solid var(--dark-line); font-weight: 700; }
.support-actions a:first-child { color: var(--purple-light); font-size: 18px; }
.site-footer { min-height: 190px; display: grid; grid-template-columns: 1fr auto; grid-template-rows: auto auto; gap: 18px 40px; align-content: center; }
.site-footer p, .site-footer small { margin: 0; color: var(--muted); font-size: 12px; }
.site-footer nav { grid-column: 2; grid-row: 1; }
.site-footer small { grid-column: 2; text-align: right; }
.policy-main, .support-main { padding-top: 100px; padding-bottom: 140px; }
.document-hero { padding-bottom: 72px; border-bottom: 1px solid var(--line); }
.document-hero h1 { font-size: clamp(52px, 7vw, 88px); }
.document-hero > p:not(.eyebrow) { max-width: 720px; margin: 28px 0 0; color: var(--muted); font-size: 19px; }
.effective-date { margin-top: 36px; display: flex; gap: 24px; font-size: 13px; }
.effective-date span { color: var(--muted); letter-spacing: .08em; }
.policy-summary { margin-top: 42px; padding: 28px 32px; display: grid; grid-template-columns: 190px 1fr; background: var(--purple-light); }
.policy-summary ul { margin: 0; padding-left: 20px; }
.policy-layout { margin-top: 78px; display: grid; grid-template-columns: 230px 1fr; gap: 90px; align-items: start; }
.policy-toc { position: sticky; top: 30px; display: flex; flex-direction: column; border-top: 2px solid var(--graphite); }
.policy-toc strong { padding: 14px 0; font-size: 13px; }
.policy-toc a { padding: 10px 0; color: var(--muted); font-size: 13px; border-top: 1px solid var(--line); }
.policy-toc a:hover, .policy-toc a:focus-visible { color: #6758b5; }
.policy-content section { padding: 0 0 64px; margin-bottom: 64px; border-bottom: 1px solid var(--line); scroll-margin-top: 30px; }
.policy-number { color: #6758b5; font-size: 11px; font-weight: 800; letter-spacing: .14em; }
.policy-content h2 { margin: 6px 0 24px; font-size: 30px; letter-spacing: -.045em; }
.policy-content p { color: #4d4c48; }
.policy-content ul { padding: 0; list-style: none; }
.policy-content li { padding: 16px 0; display: grid; grid-template-columns: 190px 1fr; border-bottom: 1px solid var(--line); }
.policy-content li span { color: var(--muted); }
.policy-table { margin: 28px 0 12px; border-top: 2px solid var(--graphite); }
.policy-table > div { padding: 14px 10px; display: grid; grid-template-columns: 145px 1fr 1fr; gap: 20px; border-bottom: 1px solid var(--line); font-size: 13px; }
.policy-table > div:first-child { background: var(--paper-deep); }
.fine-print { font-size: 13px; }
.contact-line { margin: 26px 0; padding: 18px 0; display: flex; justify-content: space-between; border-top: 1px solid var(--graphite); border-bottom: 1px solid var(--graphite); }
.contact-line span { font-size: 13px; }
.contact-line strong { color: #6758b5; }
.support-hero { display: grid; grid-template-columns: 1.15fr .85fr; gap: 70px; align-items: end; }
.support-hero .eyebrow { grid-column: 1 / -1; }
.support-hero > p:last-child { margin: 0; }
.support-email-card { margin-top: 42px; padding: 30px 34px; display: flex; justify-content: space-between; align-items: center; color: var(--paper); background: var(--graphite); }
.support-email-card div { display: flex; flex-direction: column; }
.support-email-card div span { color: var(--purple-light); font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.support-email-card strong { font-size: clamp(20px, 3vw, 34px); letter-spacing: -.04em; }
.support-email-card a { padding: 11px 14px; border: 1px solid var(--purple); font-size: 13px; font-weight: 750; }
.diagnostic-section { padding-block: 120px 82px; display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; }
.diagnostic-steps { margin: 0; padding: 0; list-style: none; border-top: 2px solid var(--graphite); }
.diagnostic-steps li { padding: 24px 0; display: grid; grid-template-columns: 52px 1fr; border-bottom: 1px solid var(--line); }
.diagnostic-steps li > span { color: #6758b5; font-size: 11px; font-weight: 800; letter-spacing: .12em; }
.diagnostic-steps strong { font-size: 18px; }
.diagnostic-steps p { margin: 4px 0 0; color: var(--muted); }
.diagnostic-facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.diagnostic-facts article { min-height: 180px; padding: 30px; display: flex; gap: 18px; background: var(--paper-deep); }
.fact-mark { flex: 0 0 auto; width: 28px; height: 28px; display: grid; place-items: center; color: var(--graphite); background: var(--purple-light); border-radius: 50%; font-weight: 800; }
.diagnostic-facts strong { font-size: 17px; }
.diagnostic-facts p { margin: 8px 0 0; color: var(--muted); }
.support-checklist { margin-top: 72px; padding: 48px; color: var(--paper); background: var(--purple); }
.support-checklist h2 { margin: 0 0 24px; font-size: 30px; letter-spacing: -.04em; }
.support-checklist ul { display: flex; flex-wrap: wrap; gap: 10px; margin: 0; padding: 0; list-style: none; }
.support-checklist li { padding: 8px 12px; color: var(--graphite); background: var(--paper); font-size: 14px; font-weight: 700; }
.support-checklist p { margin: 30px 0 0; color: var(--graphite); font-size: 13px; }
.not-found { min-height: 100vh; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; }
.not-found .eyebrow { margin-top: 28px; }
.not-found h1 { margin: 0 0 34px; font-size: clamp(38px, 6vw, 72px); line-height: 1.1; letter-spacing: -.06em; }
.not-found a { padding-bottom: 5px; border-bottom: 1px solid var(--graphite); font-weight: 750; }

@media (max-width: 900px) {
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 62px; }
  .hero-board { max-width: 620px; }
  .model-layout, .requirements-section, .diagnostic-section { grid-template-columns: 1fr; gap: 58px; }
  .ollama-note { grid-column: 1; }
  .policy-layout { grid-template-columns: 1fr; gap: 50px; }
  .policy-toc { position: static; }
  .support-hero { grid-template-columns: 1fr; gap: 28px; }
  .support-hero .eyebrow { grid-column: auto; }
}

@media (max-width: 680px) {
  .section-shell, .site-header { width: min(calc(100% - 32px), var(--max)); }
  .site-header { height: auto; min-height: 78px; padding: 16px 0; align-items: flex-start; gap: 16px; }
  .site-header nav { max-width: 225px; justify-content: flex-end; flex-wrap: wrap; gap: 7px 16px; }
  .site-header nav a { font-size: 12px; }
  .hero { padding: 72px 0 90px; }
  .hero h1 { font-size: 43px; }
  .hero-lead { font-size: 17px; }
  .hero-board { padding: 20px; box-shadow: 9px 9px 0 var(--purple-light); }
  .board-top { align-items: flex-start; gap: 12px; }
  .task-flow small { line-height: 1.5; }
  .promise-strip { gap: 10px 18px; flex-wrap: wrap; }
  .promise-strip p { font-size: 10px; }
  .section-block, .model-layout { padding-block: 92px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-grid article { min-height: 240px; padding: 28px; }
  .feature-grid h3 { margin-top: 48px; }
  .connection-note { align-items: flex-start; padding: 24px; }
  .model-cards { grid-template-columns: 1fr; }
  .model-cards article { min-height: 260px; }
  .model-cards h3 { margin-top: 78px; }
  .spec-row { grid-template-columns: 1fr; gap: 4px; }
  .two-column-section { padding-bottom: 92px; grid-template-columns: 1fr; }
  .data-card, .uninstall-card { min-height: auto; padding: 62px 0; }
  .uninstall-card { border-top: 1px solid var(--line); border-left: 0; }
  .support-inner { padding-block: 68px; align-items: flex-start; flex-direction: column; }
  .support-actions { width: 100%; min-width: 0; }
  .site-footer { padding-block: 50px; display: flex; min-height: 0; flex-direction: column; align-items: flex-start; }
  .site-footer nav { order: 3; flex-wrap: wrap; gap: 8px 18px; }
  .site-footer small { order: 4; text-align: left; }
  .policy-main, .support-main { padding-top: 68px; padding-bottom: 100px; }
  .policy-summary { grid-template-columns: 1fr; gap: 12px; }
  .policy-table { overflow-x: auto; }
  .policy-table > div { min-width: 650px; }
  .policy-content li { grid-template-columns: 1fr; gap: 4px; }
  .contact-line { align-items: flex-start; flex-direction: column; gap: 5px; }
  .support-email-card { align-items: flex-start; flex-direction: column; gap: 26px; }
  .diagnostic-facts { grid-template-columns: 1fr; }
  .support-checklist { padding: 32px 24px; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }