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.pause-mark,.reset-mark,.recommended{font-size:10px}
.plan-tag{font-size:12px}
.plan-card li{font-size:14px}
.availability{font-size:11px}
table{font-size:14px}
thead th{font-size:11px}
.limits-list span{font-size:11px}
.plain-note{font-size:14px}
.download-actions>div>span{font-size:13px}
.download-actions small{font-size:11px}
.footer-grid>p,.footer-meta{font-size:12px}
.layer-list span{font-size:10px}
.layer-list p{font-size:13px}
.layer-list strong{font-size:15px}

@media(max-width:680px){
  #method-title{font-size:38px}
  .split-heading{gap:25px}
  .packet-label{font-size:10px}
}

/* A comfortable minimum size for secondary and technical labels. */
.brand,.button{font-size:15px}
.eyebrow{font-size:13px}
.instrument-head,.clock-date,.metrics span,.endpoint-icon,.endpoint small,
.packet-label,.panel-label,.timeline,.axis,.sample small,.consensus small,
.feature-index,.callout>span,.scheduler-head,.schedule-track span,
.pause-mark,.reset-mark,.recommended,.plan-tag,thead th,.limits-list span,
.layer-list span{font-size:12px}
.clock-source,.instrument>p,.principles span,.sample-viz>p,
.schedule-row small,.schedule-foot,.availability,.download-actions small,
.footer-grid>p,.footer-meta{font-size:13px}
.formula span{font-size:14px}
.formula strong{font-size:17px}
.feature-grid p,.policy-note,details>p,.plan-card li,.layer-list p{font-size:15px}
.backoff,.backoff strong{font-size:13px}
.download-actions>div>span{font-size:14px}
.price small{font-size:13px}
.launch-price-note{display:flex;justify-content:space-between;gap:12px;margin:18px 0 -30px;padding:10px 12px;border:1px solid rgba(102,223,194,.22);border-radius:8px;background:rgba(102,223,194,.06);color:var(--muted);font-size:11px}.launch-price-note span:first-child{color:var(--accent);font-weight:700}.launch-price-note span:last-child{text-align:right}.intro-price{color:var(--accent);font-weight:650}

@media(max-width:680px){
  .packet-label{font-size:11px}
  .sample small,.consensus small,.axis{font-size:11px}
}

/* Compare measurement density without using dots that resemble request counts. */
.schedule-comparison{grid-template-columns:120px 1fr;align-items:stretch}
.schedule-product{display:flex;flex-direction:column;justify-content:center}
.schedule-product small{font-size:13px}
.schedule-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.schedule-metrics>div{min-width:0;padding:15px 13px;border:1px solid var(--line);border-radius:9px;background:#0d1112}
.schedule-metrics span,.schedule-metrics strong,.schedule-metrics small{display:block}
.schedule-metrics span{color:var(--dim);font-size:12px}
.schedule-metrics strong{margin:5px 0 3px;color:var(--text);font-size:16px;white-space:nowrap}
.schedule-metrics small{color:var(--muted);font-size:12px}
.pro-schedule{background:linear-gradient(90deg,rgba(102,223,194,.045),transparent)}
.pro-schedule .schedule-product strong,.pro-schedule .schedule-metrics strong{color:var(--accent)}
.pro-schedule .schedule-metrics>div{border-color:#315149;background:#0e1715}
.schedule-foot strong{color:var(--accent)}

@media(max-width:680px){
  .schedule-comparison{grid-template-columns:1fr}
  .schedule-metrics{grid-template-columns:1fr}
  .schedule-metrics>div{display:grid;grid-template-columns:1fr auto;gap:2px 12px;align-items:center}
  .schedule-metrics>div small{grid-column:1/-1}
}

/* Explain suspend/resume as a concrete three-step sequence. */
ol.continuity-visual{height:auto;min-height:300px;margin:0;padding:28px;display:grid;grid-template-columns:repeat(3,1fr);gap:30px;align-items:stretch;list-style:none}
.continuity-visual li{position:relative;display:flex;flex-direction:column;justify-content:center;min-width:0;padding:24px 18px;border:1px solid var(--line);border-radius:12px;background:#0d1112}
.continuity-visual li:not(:last-child):after{content:"→";position:absolute;z-index:2;right:-23px;top:50%;transform:translateY(-50%);color:var(--accent);font-size:20px}
.continuity-visual .step-number{width:28px;height:28px;margin-bottom:28px;display:grid;place-items:center;border:1px solid #3c4a47;border-radius:50%;color:var(--accent);font:700 12px/1 ui-monospace,monospace}
.continuity-visual small{color:var(--muted);font-size:13px}
.continuity-visual strong{margin-top:8px;color:var(--text);font-size:16px;line-height:1.5}
.continuity-visual .interrupted{border-color:#604747;background:#171112}
.continuity-visual .interrupted .step-number,.continuity-visual .interrupted small{color:#d39a9a}
.continuity-visual .reacquire{border-color:#315149;background:#0e1715}

@media(max-width:680px){
  ol.continuity-visual{grid-template-columns:1fr;gap:28px;padding:20px}
  .continuity-visual li{min-height:150px}
  .continuity-visual li:not(:last-child):after{content:"↓";right:50%;top:auto;bottom:-26px;transform:translateX(50%)}
}

/* Compact, accessible language switch with a precise utility aesthetic. */
.language-switch{display:flex;align-items:center;gap:3px;padding:3px;border:1px solid var(--line);border-radius:9px;background:#0d1112;box-shadow:inset 0 1px 0 rgba(255,255,255,.025)}
.language-switch a{min-width:58px;padding:6px 9px;border-radius:6px;color:var(--muted);font-size:12px;font-weight:650;line-height:1.2;text-align:center;transition:background .18s,color .18s}
.language-switch a:hover{color:var(--text);background:var(--surface-2)}
.language-switch a.is-active{color:#06110e;background:var(--accent);box-shadow:0 5px 14px rgba(102,223,194,.12)}
.language-switch a:focus-visible{outline-offset:2px}

html[lang="en"] h1,html[lang="en"] h2,html[lang="en"] h3,html[lang="en"] p{word-break:normal;overflow-wrap:break-word}
html[lang="en"] .hero-copy{max-width:700px}
html[lang="en"] .hero-lead{max-width:690px}

@media(max-width:1040px) and (min-width:681px){
  nav{gap:16px}
  nav a{font-size:13px}
  .language-switch a{min-width:50px;padding-inline:7px}
}

@media(max-width:680px){
  .brand{order:1}
  .language-switch{order:2;margin-left:auto;margin-right:5px}
  .nav-toggle{order:3}
  .language-switch a{min-width:43px;padding:6px;font-size:11px}
  .language-switch a[lang="ko"]{min-width:49px}
  html[lang="en"] h1{font-size:39px}
}

@media(max-width:430px){.brand b{display:none}}

/* Legal navigation and bilingual policy pages. */
.footer-content{display:grid;gap:12px;justify-items:end}.legal-links{display:flex;position:static;gap:16px;flex-wrap:wrap;padding:0;border:0;background:none}.legal-links a{padding:0;color:var(--muted);font-size:13px}.legal-links a:hover{color:var(--accent)}.seller-line{margin:0;color:var(--dim);font-size:13px}.seller-line a{text-decoration:underline;text-underline-offset:3px}.seller-line a:hover{color:var(--accent)}
.legal-header .nav-shell{height:auto;min-height:72px;gap:24px}.legal-header .brand{flex-shrink:0}.legal-header .language-switch{margin-left:auto}.legal-main{padding:86px 0 120px}.legal-hero{padding-bottom:58px;border-bottom:1px solid var(--line)}.legal-hero h1{max-width:900px;font-size:clamp(42px,6vw,72px)}.legal-hero .legal-intro{max-width:790px;color:var(--muted);font-size:18px}.legal-updated{color:var(--dim);font:600 12px/1.5 ui-monospace,monospace;letter-spacing:.08em}.legal-language{padding:72px 0 10px;scroll-margin-top:84px}.legal-language+.legal-language{margin-top:70px;border-top:1px solid var(--line)}.legal-language-header{display:grid;grid-template-columns:.65fr 1.35fr;gap:80px;margin-bottom:54px}.legal-language-header h2{font-size:clamp(34px,4.5vw,54px)}.legal-language-header p{color:var(--muted)}.legal-sections{max-width:900px;margin-left:auto}.legal-sections section{padding:32px 0;border-top:1px solid var(--line)}.legal-sections h3{font-size:21px;margin-bottom:14px}.legal-sections p,.legal-sections li{color:var(--muted);font-size:15px}.legal-sections li+li{margin-top:8px}.legal-sections strong{color:var(--text)}.legal-sections a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}.legal-callout{padding:24px;border:1px solid #315149;border-radius:10px;background:rgba(102,223,194,.05)}.legal-contact{margin-top:45px;padding:26px;border-left:2px solid var(--accent);background:var(--surface)}.legal-contact p{margin:4px 0}.legal-footer .footer-grid{align-items:start}.legal-footer .footer-content{justify-items:end}
@media(max-width:900px){.footer-content,.legal-footer .footer-content{justify-items:start}.legal-language-header{grid-template-columns:1fr;gap:14px}.legal-sections{margin-left:0}.legal-main{padding-top:60px}.legal-header .nav-shell{padding-block:12px}.legal-header .language-switch{order:2}}
@media(max-width:680px){.legal-links{display:grid;grid-template-columns:1fr 1fr;width:100%;gap:10px 18px}.legal-links a{padding:0}.legal-main{padding:46px 0 80px}.legal-hero{padding-bottom:42px}.legal-language{padding-top:54px}.legal-language+.legal-language{margin-top:42px}.legal-sections section{padding:26px 0}.legal-header .brand b{display:none}.legal-header .language-switch a{min-width:64px}.legal-footer .footer-grid{gap:22px}}

/* Plain-language measurement flow and product purchase essentials. */
.measurement-flow{display:grid;grid-template-columns:repeat(7,1fr);gap:10px;margin:58px 0 30px;padding:0;list-style:none;counter-reset:none}
.measurement-flow li{position:relative;min-height:190px;padding:22px 16px;border:1px solid var(--line);border-radius:10px;background:var(--surface)}
.measurement-flow li:not(:last-child):after{content:"→";position:absolute;z-index:2;right:-10px;top:30px;color:var(--accent);font-size:15px}
.measurement-flow span,.product-detail-grid article>span{display:block;color:var(--accent);font:700 12px/1.3 ui-monospace,monospace;letter-spacing:.08em}
.measurement-flow strong{display:block;margin:22px 0 10px;font-size:16px;line-height:1.4}
.measurement-flow small{display:block;color:var(--muted);font-size:13px;line-height:1.65}
.technical-note{max-width:820px;margin:0 auto;padding:20px 24px;border:1px solid var(--line);border-radius:10px;background:#0d1112}
.technical-note>p{margin:14px 0 0;color:var(--muted)}
.product-essentials{background:linear-gradient(180deg,var(--bg),#0d1112)}
.product-detail-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.product-detail-grid article{padding:30px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
.product-detail-grid h3{margin:15px 0 12px;font-size:22px}
.product-detail-grid p,.product-detail-grid li{color:var(--muted);font-size:15px}
.product-detail-grid ul{margin:20px 0 0;padding-left:20px}
.product-detail-grid li+li{margin-top:8px}
.text-link{display:inline-block;margin-top:20px;color:var(--accent);font-weight:650;text-decoration:underline;text-underline-offset:4px}
.download-note{max-width:620px;color:var(--muted);font-size:13px;line-height:1.7}

@media(max-width:1100px){.measurement-flow{grid-template-columns:repeat(4,1fr)}.measurement-flow li:not(:last-child):after{display:none}}
@media(max-width:800px){.measurement-flow{grid-template-columns:repeat(2,1fr)}.product-detail-grid{grid-template-columns:1fr}.measurement-flow li{min-height:165px}}
@media(max-width:460px){.measurement-flow{grid-template-columns:1fr}.measurement-flow li{min-height:0}.measurement-flow strong{margin-top:12px}}

/* Mobile-first information hierarchy: concise defaults, detail on demand. */
.mobile-only,.mobile-nav-link{display:none}

@media(max-width:800px){
  .mobile-only{display:block}
  .desktop-copy,.desktop-detail,.desktop-plans,.desktop-detail-section,.desktop-nav-link{display:none!important}
  .mobile-nav-link{display:block}

  .container,.nav-shell{width:min(calc(100% - 28px),var(--max))}
  .site-header{backdrop-filter:none;background:#0a0d0e}
  .nav-toggle{display:block;min-width:44px;min-height:44px}
  .brand{order:1}
  .language-switch{order:2;margin-left:auto;margin-right:6px}
  .language-switch a{display:grid;min-height:44px;place-items:center}
  .nav-toggle{order:3}
  #site-nav{display:none;position:absolute;left:0;right:0;top:72px;padding:14px;background:#0d1112;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0}
  #site-nav.is-open{display:flex}
  #site-nav a{min-height:48px;padding:13px 18px}

  .hero{padding:46px 0 42px;border-bottom:1px solid var(--line-soft)}
  .hero-grid{display:block;min-height:0}
  .hero .instrument,.hero .principles{display:none}
  .hero-copy{max-width:none}
  .hero h1{max-width:650px;margin-bottom:20px;font-size:clamp(34px,9.2vw,43px);line-height:1.1}
  .hero-lead{max-width:580px;margin-bottom:0;font-size:16px;line-height:1.62}
  .hero .cta-row{margin-top:28px}
  .hero .cta-note{font-size:12px;line-height:1.55}

  .mobile-quickstart{padding:68px 0 58px;background:linear-gradient(180deg,#0d1513,var(--bg));border-bottom:1px solid var(--line-soft);scroll-margin-top:84px}
  .mobile-section-heading{margin-bottom:32px}
  .mobile-section-heading h2{margin-bottom:16px;font-size:32px}
  .mobile-section-heading>p:last-child{max-width:560px;margin:0;color:var(--muted);font-size:15px}
  .mobile-plan-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}
  .mobile-plan-grid article{padding:22px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
  .mobile-plan-grid article.is-pro{border-color:#35685c;background:linear-gradient(150deg,#14221f,var(--surface) 52%)}
  .mobile-plan-grid article>div{display:flex;align-items:center;justify-content:space-between;gap:12px}
  .mobile-plan-grid article>div span{color:var(--accent);font:700 12px/1.3 ui-monospace,monospace;letter-spacing:.1em}
  .mobile-plan-grid article>div strong{font-size:20px}
  .mobile-plan-grid h3{margin:24px 0 14px;font-size:20px}
  .mobile-plan-grid ul{min-height:108px;margin:0 0 22px;padding-left:19px;color:var(--muted);font-size:14px}
  .mobile-plan-grid li+li{margin-top:6px}
  .mobile-plan-grid .button{min-height:50px}

  .section{padding:72px 0;border-top:1px solid var(--line-soft)}
  .section-heading{margin-bottom:28px}
  .split-heading{display:block}
  .split-heading>p{margin:0;color:var(--muted);font-size:15px;line-height:1.65}
  h2,.download-shell h2{font-size:clamp(29px,7.8vw,36px);line-height:1.16}
  h3{font-size:22px}
  .eyebrow{margin-bottom:14px;font-size:12px}
  .lead,.mobile-lead{font-size:17px;line-height:1.65}

  .mobile-key-points{margin:24px 0 18px;padding:0;list-style:none}
  .mobile-key-points li{position:relative;padding:11px 0 11px 24px;border-bottom:1px solid var(--line);color:#c2cbc9;font-size:15px;line-height:1.5}
  .mobile-key-points li:before{content:"•";position:absolute;left:5px;color:var(--accent)}
  .mobile-details{margin-top:10px;border:1px solid var(--line);border-radius:10px;background:#0d1112;overflow:hidden}
  .mobile-details+ .mobile-details{margin-top:10px}
  .mobile-details summary{min-height:54px;padding:16px 48px 16px 18px;font-size:15px;font-weight:650}
  .mobile-details summary:after{right:18px;top:17px}
  .mobile-detail-body{padding:2px 18px 20px;border-top:1px solid var(--line)}
  .mobile-detail-body p,.mobile-detail-body li{color:var(--muted);font-size:14px;line-height:1.65}
  .mobile-detail-body ul,.mobile-detail-body ol{padding-left:20px}
  .mobile-detail-body li+li{margin-top:8px}
  .mobile-detail-body p:last-child{margin-bottom:0}
  .mobile-flow{counter-reset:mobile-flow;list-style:none;padding-left:0!important}
  .mobile-flow li{position:relative;padding:9px 0 9px 34px;border-bottom:1px solid var(--line)}
  .mobile-flow li:before{counter-increment:mobile-flow;content:counter(mobile-flow,decimal-leading-zero);position:absolute;left:0;color:var(--accent);font:700 11px/1.8 ui-monospace,monospace}

  .policy-grid,.continuity-grid,.limits-grid,.faq-grid,.download-shell{grid-template-columns:1fr;gap:24px}
  .policy-copy .mobile-details{margin-top:22px}
  .continuity-grid{display:block}
  .mobile-limit-detail{display:none!important}
  .limits-list>div{grid-template-columns:36px 1fr;padding:20px 0}
  .limits-list strong{font-size:15px}
  .limits-list p{font-size:14px;line-height:1.62}
  .text-link{min-height:48px;padding:14px 0}

  .app-structure .app-shot{display:none}
  .structure-grid{display:block}
  .structure-grid>div:last-child>p{font-size:15px;line-height:1.65}
  .layer-list>div{padding:18px 0}
  .use-cases{padding-top:56px}
  .use-cases .section-heading{margin-bottom:20px}
  .faq-grid>div:first-child>p:last-child{margin-bottom:0}
  .faq-list summary{min-height:54px;padding-block:16px;font-size:15px}
  .download{padding:72px 0}
  .download-shell{gap:30px}
  .download-actions>div{padding:20px}
  .button{min-height:50px}
  .legal-links a{display:flex;min-height:44px;align-items:center}
}

@media(max-width:520px){
  .mobile-plan-grid{grid-template-columns:1fr}
  .mobile-plan-grid ul{min-height:0}
  .hero .cta-row{gap:10px}
}

/* Shared Basic/Pro choice: rich desktop grid, preserved mobile disclosure. */
.desktop-plans{display:none!important}

@media(min-width:801px){
  .mobile-quickstart{display:block;padding:118px 0;background:linear-gradient(135deg,#0d1513 0%,var(--bg) 62%);border-block:1px solid var(--line-soft);scroll-margin-top:84px}
  .quickstart-layout{display:grid;grid-template-columns:minmax(260px,.72fr) minmax(0,1.28fr);gap:72px;align-items:start}
  .mobile-section-heading{max-width:400px;padding-top:10px}
  .mobile-section-heading h2{margin-bottom:24px;font-size:clamp(42px,4.3vw,60px);line-height:1.08}
  .mobile-section-heading>p:last-child{max-width:360px;margin:0;color:var(--muted);font-size:16px;line-height:1.75}
  .mobile-plan-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
  .mobile-plan-grid article{display:flex;min-width:0;min-height:430px;padding:32px;flex-direction:column;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
  .mobile-plan-grid article.is-pro{border-color:#35685c;background:linear-gradient(150deg,#14221f,var(--surface) 55%)}
  .mobile-plan-grid article>div{display:flex;align-items:center;justify-content:space-between;gap:14px}
  .mobile-plan-grid article>div span{color:var(--accent);font:700 12px/1.3 ui-monospace,monospace;letter-spacing:.12em}
  .mobile-plan-grid article>div strong{font-size:23px;text-align:right}
  .mobile-plan-grid h3{margin:46px 0 22px;font-size:25px}
  .mobile-plan-grid ul{margin:0 0 30px;padding-left:20px;color:var(--muted);font-size:15px;line-height:1.7}
  .mobile-plan-grid li+li{margin-top:7px}
  .mobile-plan-grid .button{width:100%;min-height:52px;margin-top:auto}
  .quickstart-details{display:grid;width:calc((100% - 72px)*.64);grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:22px 0 0 auto}
  .mobile-details{margin:0;border:1px solid var(--line);border-radius:10px;background:#0d1112;overflow:hidden}
  .mobile-details summary{min-height:58px;padding:18px 52px 18px 20px;font-size:15px;font-weight:650}
  .mobile-details summary:after{right:20px;top:19px}
  .mobile-detail-body{padding:4px 22px 24px;border-top:1px solid var(--line)}
  .mobile-detail-body p,.mobile-detail-body li{color:var(--muted);font-size:14px;line-height:1.7}
  .mobile-detail-body ul,.mobile-detail-body ol{padding-left:20px}
  .mobile-detail-body li+li{margin-top:8px}
}

@media(min-width:801px) and (max-width:1100px){
  .mobile-quickstart{padding:96px 0}
  .quickstart-layout{grid-template-columns:1fr;gap:42px}
  .mobile-section-heading{max-width:760px;padding-top:0}
  .mobile-section-heading>p:last-child{max-width:620px}
  .quickstart-details{width:100%;margin-left:0}
}

/* Keep adaptive-policy card titles readable in both Korean and English. */
.policy-grid{grid-template-columns:.8fr 1.2fr;gap:80px}
.schedule-metrics{gap:10px}
.schedule-metrics>div{
  padding:16px;
}
.schedule-metrics strong{
  min-height:2.5em;
  margin:6px 0 4px;
  line-height:1.25;
  white-space:normal;
}
html[lang="ko"] .schedule-metrics strong{
  word-break:keep-all;
  overflow-wrap:normal;
}
html[lang="en"] .schedule-metrics strong{
  word-break:normal;
  overflow-wrap:break-word;
}

@media(min-width:801px) and (max-width:1100px){
  .policy-grid{grid-template-columns:1fr;gap:55px}
}

@media(max-width:680px){
  .schedule-metrics>div{padding:15px 16px}
  .schedule-metrics strong{min-height:0}
}