:root {
  --ink: #000;
  --ink-2: color-mix(in srgb, #8fa9b8 12%, #000);
  --ink-3: color-mix(in srgb, #8fa9b8 25%, #000);
  --paper: color-mix(in srgb, #8fa9b8 12%, #fff);
  --paper-2: color-mix(in srgb, #8fa9b8 27%, #fff);
  --white: #fff;
  --muted: color-mix(in srgb, #8fa9b8 70%, #fff);
  --muted-dark: color-mix(in srgb, #8fa9b8 52%, #000);
  --signal: #8fa9b8;
  --signal-text: color-mix(in srgb, #8fa9b8 72%, #fff);
  --section-accent: #b8cbd5;
  --signal-deep: color-mix(in srgb, #8fa9b8 48%, #000);
  --line: rgba(143, 169, 184, 0.22);
  --dark-line: rgba(0, 0, 0, 0.15);
  --max: 1240px;
  --pad: clamp(1.2rem, 4vw, 4rem);
  --display: "Helvetica Neue", "Avenir Next", Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 116.667%; }
body {
  margin: 0;
  color: var(--paper);
  background: var(--ink);
  font-family: var(--display);
  -webkit-font-smoothing: antialiased;
}
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
button { font: inherit; }
.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;
}
.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.75rem 1rem;
  color: var(--ink);
  background: var(--signal);
  transform: translateY(-150%);
  transition: transform 180ms ease;
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed;
  z-index: 30;
  top: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 5.5rem;
  padding: 0 var(--pad);
  border-bottom: 1px solid transparent;
  transition: min-height 220ms ease, background 220ms ease, border-color 220ms ease;
}
.site-header.scrolled {
  min-height: 4.5rem;
  background: rgba(0, 0, 0, 0.92);
  border-color: var(--line);
  backdrop-filter: blur(15px);
}
.brand {
  display: inline-flex;
  align-items: center;
  color: var(--white);
  text-decoration: none;
}
.brand-logo { display: block; width: clamp(9.5rem, 14vw, 12.5rem); height: auto; }
.section-shell { padding-inline: var(--pad); }
.hero {
  position: relative;
  display: grid;
  grid-template-rows: 1fr;
  min-height: 100svh;
  padding-top: 10rem;
  overflow: hidden;
  background: var(--ink);
}
.hero-still, .hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  pointer-events: none;
}
.hero-still { z-index: 0; }
.hero-video { z-index: 1; }
.hero::after {
  position: absolute;
  z-index: 1;
  inset: 0;
  background: linear-gradient(90deg, rgba(0, 0, 0, .88) 0%, rgba(0, 0, 0, .64) 47%, rgba(0, 0, 0, .28) 100%),
              linear-gradient(0deg, rgba(0, 0, 0, .78), transparent 35%);
  content: "";
  pointer-events: none;
}
.hero::before {
  position: absolute;
  z-index: 2;
  top: 5.5rem;
  right: var(--pad);
  left: var(--pad);
  height: 1px;
  background: var(--line);
  content: "";
}
.hero-copy {
  z-index: 2;
  align-self: center;
  max-width: 900px;
  padding: 3.5rem clamp(1rem, 4vw, 4.8rem) 4rem 0;
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0 0 1.8rem;
  color: var(--signal-text);
  font-family: var(--mono);
  font-size: .86rem;
  letter-spacing: 0.14em;
  line-height: 1.4;
  text-transform: uppercase;
}
.eyebrow, .micro-label, .result-topline, .result-service, .result-tags span, .copy-status, .footer-note span { font-weight: 700; }
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 790px;
  margin-bottom: 1.8rem;
  color: var(--white);
  font-size: clamp(3.2rem, 6.8vw, 7.2rem);
  font-weight: 450;
  letter-spacing: -0.012em;
  line-height: 1.01;
}
.hero-intro {
  max-width: 680px;
  margin-bottom: 2.5rem;
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.28rem);
  line-height: 1.62;
}
.hero-actions {
  z-index: 3;
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: auto;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.hero-link {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.4rem;
  min-height: 4.6rem;
  padding: 0.4rem 1.5rem 0.4rem 0;
  color: var(--white);
  font-size: 1rem;
  font-weight: 550;
  letter-spacing: 0.015em;
  text-decoration: none;
  transition: color 180ms ease, border-color 180ms ease;
}
.hero-link + .hero-link { padding-left: 1.5rem; border-left: 1px solid var(--line); }
.hero-link .hero-link-label { display: inline-flex; align-items: center; gap: .25em; white-space: nowrap; }
.hero-substack-logo { display: inline-block; width: 1.7em; height: 1.7em; flex: none; object-fit: contain; }
.hero-link .hero-chevron { position: relative; display: block; flex: none; width: 0.75rem; height: 0.75rem; margin: -0.35rem 0.25rem 0 1rem; border-right: 2px solid var(--signal); border-bottom: 2px solid var(--signal); transform: rotate(45deg); transition: transform 180ms ease; }
.hero-link:hover, .hero-link:focus-visible { color: var(--signal-text); }
.hero-link:hover .hero-chevron, .hero-link:focus-visible .hero-chevron { transform: translateY(3px) rotate(45deg); }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 2.5rem;
  min-height: 3.45rem;
  padding: 0.15rem 1.25rem;
  border: 0;
  border-radius: 0;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: color 180ms ease, background 180ms ease, transform 180ms ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--ink); background: var(--signal); }
.button-primary:hover { background: var(--white); }
.text-link { color: var(--paper); font-size: 1rem; text-decoration: none; }
.text-link span { margin-left: 0.5rem; color: var(--signal-text); }
.text-link:hover { color: var(--signal-text); }

.coverage {
  position: relative;
  padding-top: clamp(6rem, 10vw, 10rem);
  padding-bottom: clamp(6rem, 10vw, 10rem);
  color: var(--ink);
  background: var(--paper);
}
.section-heading {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 0.8fr 1.5fr 0.9fr;
  gap: 3rem;
  align-items: end;
  max-width: var(--max);
  margin: 0 auto clamp(4rem, 7vw, 6rem);
}
.section-heading .eyebrow { align-self: start; margin: 0; color: var(--section-accent); }
.coverage .section-heading .eyebrow, .korea-focus .eyebrow { color: var(--ink); }
.section-heading h2, .fit-intro h2 {
  margin: 0;
  font-size: clamp(2.6rem, 5.2vw, 5.5rem);
  font-weight: 450;
  letter-spacing: -0.022em;
  line-height: 0.98;
}
.section-heading > p:last-child { margin: 0; color: var(--muted-dark); font-size: 1rem; line-height: 1.65; }
.domain-explorer { max-width: var(--max); margin: 0 auto; border-top: 1px solid var(--dark-line); scroll-margin-top: 5.5rem; }
.domain-instruction { margin: 1.3rem 0 .8rem; color: var(--ink); font-size: .86rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.domain-tabs { display: grid; grid-template-columns: repeat(3, 1fr); border-bottom: 1px solid var(--dark-line); }
.domain-tab {
  position: relative;
  display: flex;
  gap: 1.1rem;
  align-items: center;
  padding: 1.25rem 1.4rem;
  color: var(--muted-dark);
  background: transparent;
  border: 0;
  border-right: 1px solid var(--dark-line);
  cursor: pointer;
  font-size: 1rem;
  text-align: left;
}
.domain-tab:last-child { border-right: 0; }
.domain-tab::after { position: absolute; right: 0; bottom: -1px; left: 0; height: 5px; background: var(--signal-deep); content: ""; transform: scaleX(0); transition: transform 200ms ease; }
.domain-tab span { font-family: var(--mono); font-size: 1rem; }
.domain-tab:hover, .domain-tab:focus-visible { color: var(--ink); background: color-mix(in srgb, var(--signal) 15%, transparent); }
.domain-tab:focus-visible { outline: 2px solid var(--signal-deep); outline-offset: -3px; }
.domain-tab[aria-selected="true"] { color: var(--ink); background: color-mix(in srgb, var(--signal) 23%, transparent); font-weight: 700; }
.domain-tab[aria-selected="true"]::after { transform: scaleX(1); }
.domain-panel { outline: 0; }
.domain-index { display: grid; place-items: center; min-width: 0; height: 215px; padding: 0.5rem 2rem; border-bottom: 1px solid var(--dark-line); background: transparent; overflow: hidden; }
.domain-art { display: block; width: 100%; max-width: 1120px; max-height: 200px; object-fit: contain; filter: grayscale(1) contrast(1.45) brightness(.43); }
.domain-content { display: flex; flex-direction: column; justify-content: center; max-width: 980px; padding: 1.8rem 0 2.2rem; }
.micro-label { color: var(--signal-deep); font-family: var(--mono); font-size: .86rem; letter-spacing: 0.12em; line-height: 1.4; text-transform: uppercase; }
.domain-content h3 { max-width: 680px; margin: 0.4rem 0 0.8rem; font-size: clamp(2rem, 3.6vw, 3.8rem); font-weight: 450; letter-spacing: -0.02em; line-height: 1; }
.domain-summary { max-width: 690px; color: var(--muted-dark); font-size: 1rem; line-height: 1.65; }
.domain-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; margin-top: 1.2rem; padding-top: 1.2rem; border-top: 1px solid var(--dark-line); }
.domain-detail-grid ul { margin: 0; padding: 0; list-style: none; }
.domain-detail-grid li { position: relative; margin: 0.7rem 0; padding-left: 1rem; color: var(--muted-dark); font-size: 1rem; line-height: 1.4; }
.domain-detail-grid li::before { position: absolute; top: 0.62em; left: 0; width: 4px; height: 4px; border-radius: 50%; background: var(--signal-deep); content: ""; }
.domain-detail-grid div > p:last-child { margin: 0; color: var(--muted-dark); font-size: 1rem; line-height: 1.62; }
.method { color: var(--ink); background: var(--paper-2); }
.method-inner { max-width: var(--max); margin: 0 auto; padding: clamp(5rem, 8vw, 8rem) 0; }
.method .eyebrow { color: var(--ink); }
.method h2 { max-width: 850px; margin: 0 0 1.5rem; font-size: clamp(2.5rem, 5vw, 5rem); font-weight: 450; letter-spacing: -.022em; line-height: 1; }
.method-inner > p:not(.eyebrow):not(.method-note) { max-width: 760px; color: var(--muted-dark); font-size: 1.1rem; line-height: 1.65; }
.method-tests { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--dark-line); }
.method-tests span { color: var(--muted-dark); font-family: var(--mono); font-size: .86rem; }
.method-tests b { display: block; margin-top: .6rem; color: var(--ink); font-family: var(--display); font-size: 1.15rem; font-weight: 550; }
.method-note { margin: 3rem 0 0; color: var(--muted-dark); font-size: 1rem; font-style: italic; }
.service-method { grid-column: 2; max-width: 760px; margin: 1.2rem 0 0; color: var(--muted); font-size: 1rem; font-weight: 400; line-height: 1.65; }
.about-founder { color: var(--ink); background: var(--white); }
.single-profile { max-width: 820px; margin: 0 auto; padding: clamp(5rem, 8vw, 8rem) 0; }
.about-founder .eyebrow { color: var(--ink); }
.single-profile h2 { max-width: 900px; margin: 0 0 1.8rem; font-size: clamp(2.5rem, 5vw, 5rem); font-weight: 450; letter-spacing: -.022em; line-height: 1; }
.single-profile h3 { margin: 0 0 .5rem; font-size: clamp(1.5rem, 2.5vw, 2.2rem); font-weight: 550; }
.single-profile p:not(.eyebrow):not(.profile-kicker) { max-width: 760px; color: var(--muted-dark); font-size: 1rem; line-height: 1.65; }
.profile-kicker { margin: 0 0 .55rem; color: var(--muted-dark); font-family: var(--mono); font-size: .86rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.named-purpose { background: var(--paper); }
.named-purpose .rickover-photo { display: block; width: min(100%, 380px); height: 330px; margin: 3.4rem 0 3.1rem; object-fit: cover; object-position: 50% 25%; filter: grayscale(1); }
.named-purpose .profile-kicker { margin: 0 0 .5rem; }
.named-purpose h3 { margin: 0 0 2.5rem; line-height: 1.2; }
.founder-section { background: color-mix(in srgb, var(--signal) 28%, var(--white)); }
.single-profile blockquote { margin: 2rem 0; padding-left: 1.4rem; border-left: 3px solid var(--signal-deep); color: var(--ink); font-size: clamp(1.3rem, 2.2vw, 1.8rem); line-height: 1.35; }
.single-profile blockquote cite { display: block; margin-top: 1rem; font-size: .78rem; font-style: normal; font-weight: 700; letter-spacing: .02em; }
.founder-layout { display: grid; grid-template-columns: minmax(180px, 280px) 1fr; gap: clamp(2rem, 6vw, 5rem); max-width: var(--max); }
.founder-photo { display: block; width: 100%; aspect-ratio: 1; height: auto; object-fit: cover; border: 1px solid var(--dark-line); }
.founder-copy { max-width: 820px; }
.profile-link { display: inline-flex; align-items: center; justify-content: center; width: 2.8rem; height: 2.8rem; margin-top: 1rem; color: var(--ink); text-decoration: none; }
.profile-link img { display: block; width: 2.8rem; height: 2.8rem; object-fit: contain; transition: transform 180ms ease, filter 180ms ease; }
.profile-link:hover img { transform: translateY(-2px); filter: brightness(1.12); }
.contact-section { padding: clamp(5rem, 8vw, 8rem) var(--pad); color: var(--ink); background: var(--paper); border-top: 1px solid var(--dark-line); }
.contact-section .inquiry { margin-bottom: 0; padding: 0; background: var(--paper); border: 0; }
.form-honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.footer-legal { display: flex; justify-content: flex-end; gap: 1.6rem; margin: 0 0 1.6rem; font-size: 1rem; font-weight: 600; }
.footer-legal a { color: var(--muted); text-decoration: none; }
.footer-legal a:hover { color: var(--white); }
.korea-focus { padding-top: clamp(5rem, 8vw, 8rem); padding-bottom: clamp(5rem, 8vw, 8rem); color: var(--ink); background: color-mix(in srgb, var(--signal) 28%, var(--white)); }
.korea-focus-inner { display: grid; grid-template-columns: 1fr 2fr; gap: 3rem; max-width: var(--max); margin: 0 auto; }
.korea-focus .eyebrow { align-self: start; font-weight: 700; }
.korea-focus h2 { max-width: 850px; margin: 0 0 2rem; font-size: clamp(2.6rem, 5vw, 5rem); font-weight: 450; letter-spacing: -.02em; line-height: 1.02; }
.korea-focus p:not(.eyebrow) { max-width: 800px; margin: 0 0 1.4rem; color: var(--muted-dark); font-size: 1rem; line-height: 1.65; }
.insights { color: var(--ink); background: var(--paper); scroll-margin-top: 5.5rem; }
.insights-inner { display: grid; grid-template-columns: .8fr 2.2fr; gap: 3rem; max-width: var(--max); margin: 0 auto; padding: clamp(4rem, 7vw, 6rem) 0; }
.insights .eyebrow { align-self: start; margin: .1rem 0 0; color: var(--ink); line-height: 1.02; }
.insights h2 { max-width: 760px; margin: 0 0 1rem; font-size: clamp(2rem, 3.8vw, 3.6rem); font-weight: 450; letter-spacing: -.02em; line-height: 1.02; }
.insights p:not(.eyebrow) { max-width: 700px; margin: 0; color: var(--muted-dark); font-size: 1rem; line-height: 1.65; }
.insights-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin-top: 2rem; max-width: 900px; }
.insight-card { min-height: 245px; display: flex; flex-direction: column; justify-content: space-between; padding: 1.5rem 1.5rem 1.25rem; color: var(--ink); background: #fff; border: 1px solid #b9c7cf; text-decoration: none; transition: transform .25s ease, border-color .25s ease, background .25s ease; }
.insight-card:hover { transform: translateY(-3px); border-color: var(--signal-deep); background: #f4f7f8; }
.publication-logo { display: block; width: 2rem; height: 2rem; margin: 0; object-fit: contain; }
.insight-card-heading { display: flex; min-height: 6.5rem; flex-direction: column; align-items: flex-start; justify-content: flex-start; gap: 1.15rem; }
.publication-wordmark { display: block; width: auto; max-width: 100%; height: auto; object-fit: contain; object-position: left center; }
.publication-wordmark-spectra { width: min(100%, 15rem); }
.publication-wordmark-kdefense { width: min(100%, 13.5rem); margin-top: .3rem; }
.insight-card strong { display: block; font-size: clamp(1.35rem, 2.5vw, 2.35rem); line-height: .95; letter-spacing: .02em; font-weight: 700; }
.insight-card-subtitle { margin-top: .55rem; font-size: .95rem; color: var(--muted-dark); }
.insight-card-action { display: inline-flex; align-items: center; margin-top: 1.4rem; color: var(--signal-deep); }

.services {
  padding-top: clamp(6rem, 10vw, 10rem);
  background: var(--ink);
}
.service-heading h2 { color: var(--white); }
.service-heading { grid-template-columns: .8fr 2.2fr; align-items: start; padding-bottom: 2rem; border-bottom: 3px solid var(--signal); }
.service-heading h2 { max-width: 900px; font-size: clamp(2rem, 3.8vw, 3.6rem); line-height: 1.08; }
.service-heading .eyebrow { color: var(--section-accent); font-family: var(--display); font-size: 1rem; letter-spacing: 0.1em; }
.services .service-card .micro-label { color: var(--section-accent); font-family: var(--display); font-size: 1rem; font-weight: 650; letter-spacing: 0.02em; text-transform: none; }
.service-heading > p:last-child { padding: 0; border: 0; color: var(--muted); font-size: 1rem; font-weight: 400; line-height: 1.65; }
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: var(--max);
  margin: 0 auto clamp(7rem, 12vw, 12rem);
  border-top: 0;
  border-bottom: 0;
}
.service-card { position: relative; min-height: 520px; padding: 2rem; border-right: 1px solid rgba(143,169,184,.36); transition: background 220ms ease; }
.service-card:last-child { border-right: 0; }
.service-card:hover, .service-card.is-recommended { background: rgba(143,169,184,.045); }
.service-card.featured::after, .service-card.is-recommended::after { content: none; }
.service-number { display: block; margin-bottom: 4.5rem; color: var(--muted); font-family: var(--mono); font-size: 1rem; }
.service-card h3 { min-height: 6.5rem; margin: 1rem 0 1.4rem; color: var(--white); font-size: clamp(1.45rem, 2.2vw, 2.15rem); font-weight: 450; letter-spacing: -0.012em; line-height: 1.1; }
.service-card > p:not(.micro-label) { min-height: 7rem; color: var(--muted); font-size: 1rem; line-height: 1.65; }
.service-card ul { margin: 2rem 0 0; padding: 1.3rem 0 0; border-top: 1px solid var(--line); list-style: none; }
.service-card li { margin: 0.7rem 0; color: var(--paper-2); font-size: 1rem; }
.service-card li::before { margin-right: 0.65rem; color: var(--signal-text); content: "—"; }

.inquiry { max-width: var(--max); margin: 0 auto clamp(6rem, 10vw, 10rem); padding: clamp(2.5rem, 6vw, 5rem); background: var(--ink-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.inquiry-intro { margin-bottom: 3rem; }
.inquiry-intro .eyebrow { margin: 0; color: var(--ink); font-size: 1rem; line-height: 1.2; }
.inquiry-form { max-width: 940px; margin-left: auto; }
.inquiry-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem 2rem; }
.inquiry-form label { display: flex; flex-direction: column; gap: 0.55rem; color: var(--ink); font-family: var(--mono); font-size: .86rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.inquiry-form input, .inquiry-form select, .inquiry-form textarea { width: 100%; padding: .8rem 0; color: var(--ink); background-color: var(--paper); border: 0; border-bottom: 1px solid var(--muted-dark); border-radius: 0; outline: 0; font: 1rem var(--display); letter-spacing: 0; text-transform: none; caret-color: var(--ink); }
.inquiry-form input:-webkit-autofill, .inquiry-form input:-webkit-autofill:hover, .inquiry-form input:-webkit-autofill:focus { -webkit-text-fill-color: #000; -webkit-box-shadow: 0 0 0 1000px var(--paper) inset; transition: background-color 5000s ease-in-out 0s; }
.inquiry-form input:focus, .inquiry-form select:focus, .inquiry-form textarea:focus { border-color: var(--ink); }
.inquiry-form select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--ink) 50%), linear-gradient(135deg, var(--ink) 50%, transparent 50%); background-position: calc(100% - 8px) 50%, calc(100% - 2px) 50%; background-repeat: no-repeat; background-size: 6px 6px, 6px 6px; }
.inquiry-form select option { color: var(--ink); background: var(--white); }
.inquiry-message { margin-top: 2rem; }
.inquiry-form textarea { min-height: 8rem; resize: vertical; }
.inquiry-submit { display: flex; align-items: center; gap: 1.5rem; margin-top: 2rem; }
.inquiry-submit .button { justify-content: flex-start; gap: .8rem; }
.button-chevron { display: inline-block; width: .72rem; height: .72rem; border-top: 2px solid currentColor; border-right: 2px solid currentColor; transform: rotate(45deg); }
.inquiry-submit p { min-height: 1.2rem; margin: 0; color: var(--ink); font-family: var(--mono); font-size: .78rem; }

.fit-finder { max-width: var(--max); margin: 0 auto clamp(7rem, 11vw, 11rem); }
.fit-intro { display: grid; grid-template-columns: 0.7fr 1.3fr; gap: 1rem 3rem; margin-bottom: 4rem; }
.fit-intro .eyebrow { grid-column: 1; margin: 0; }
.fit-intro h2 { grid-column: 2; color: var(--white); }
.fit-intro > p:last-child { grid-column: 2; max-width: 560px; color: var(--muted); line-height: 1.65; }
.fit-workspace { display: grid; grid-template-columns: 0.7fr 1.3fr; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.fit-options { display: flex; flex-direction: column; border-right: 1px solid var(--line); }
.fit-options button {
  flex: 1;
  padding: 1.8rem 2rem;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1.4;
  text-align: left;
  transition: color 180ms ease, background 180ms ease;
}
.fit-options button:last-child { border-bottom: 0; }
.fit-options button[aria-checked="true"] { color: var(--white); background: rgba(143,169,184,.08); box-shadow: inset 3px 0 var(--signal); }
.fit-result { min-height: 420px; padding: clamp(2rem, 5vw, 5rem); }
.result-topline { display: flex; justify-content: space-between; color: var(--signal-text); font-family: var(--mono); font-size: .86rem; letter-spacing: 0.12em; text-transform: uppercase; }
.result-service { margin: 3.5rem 0 0.9rem; color: var(--muted); font-family: var(--mono); font-size: .86rem; letter-spacing: 0.11em; text-transform: uppercase; }
.fit-result h3 { max-width: 700px; margin: 0 0 1.2rem; color: var(--white); font-size: clamp(2rem, 3.8vw, 3.8rem); font-weight: 450; letter-spacing: -0.02em; line-height: 1; }
.fit-result > p:not(.result-service) { max-width: 720px; color: var(--muted); font-size: 1rem; line-height: 1.65; }
.result-tags { display: flex; flex-wrap: wrap; gap: 0.55rem; margin: 1.8rem 0 2rem; }
.result-tags span { padding: 0.5rem 0.75rem; color: var(--paper-2); border: 1px solid var(--line); font-family: var(--mono); font-size: .86rem; letter-spacing: 0.07em; text-transform: uppercase; }
.result-button { min-width: 260px; }
.site-footer {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 3rem var(--pad) 3.5rem;
  border-top: 1px solid var(--line);
}
.site-footer,
.site-footer p,
.site-footer a,
.site-footer a:hover,
.legal-page .site-footer a,
.legal-page .site-footer a:hover { color: var(--white) !important; }
.footer-main { --footer-logo-width: clamp(11rem, 18vw, 15rem); display: flex; flex-direction: column; align-items: flex-start; }
.footer-brand { margin: 0 0 1.6rem; }
.footer-brand .brand-logo { width: var(--footer-logo-width); }
.footer-main > p { padding-left: calc(var(--footer-logo-width) * 0.065625); }
.site-footer p { margin: 0; color: var(--muted); font-size: .86rem; line-height: 1.6; }
.footer-main a { text-decoration: none; }
.footer-main a:hover { color: #fff; }
.footer-main .copyright { margin-top: 1.5rem; white-space: nowrap; }
.site-footer,
.site-footer p,
.site-footer a { font-size: .75rem; }

.brief-dialog {
  width: min(92vw, 690px);
  max-height: 90vh;
  padding: clamp(2rem, 5vw, 4.5rem);
  color: var(--ink);
  background: var(--paper);
  border: 0;
  box-shadow: 0 30px 100px rgba(0,0,0,.45);
}
.brief-dialog::backdrop { background: rgba(0,0,0,.78); backdrop-filter: blur(8px); }
.dialog-close { position: absolute; top: 1rem; right: 1.2rem; width: 2.2rem; height: 2.2rem; color: var(--muted-dark); background: transparent; border: 1px solid var(--dark-line); cursor: pointer; font-size: 1.3rem; }
.brief-dialog h2 { max-width: 550px; margin: 0 0 1rem; font-size: clamp(2rem, 5vw, 3.6rem); font-weight: 450; letter-spacing: -0.02em; line-height: 1; }
.dialog-lede { color: var(--muted-dark); line-height: 1.6; }
.brief-output { margin: 2rem 0; padding: 1.5rem; background: var(--paper-2); border-left: 3px solid var(--signal-deep); }
.brief-output p { margin: 0.65rem 0; color: var(--muted-dark); font-size: 1rem; line-height: 1.5; }
.brief-output strong { color: var(--ink); }
.copy-status { min-height: 1rem; margin: 1rem 0 0; color: var(--signal-deep); font-family: var(--mono); font-size: .86rem; text-transform: uppercase; }
.legal-page { color: var(--paper); background: var(--ink); }
.legal-content { max-width: 900px; margin: 0 auto; padding: 10rem var(--pad) 6rem; }
.legal-content .eyebrow { color: var(--signal-text); }
.legal-content h1 { max-width: none; margin-bottom: 1rem; font-size: clamp(3rem, 7vw, 6rem); }
.legal-content h2 { margin: 3rem 0 .8rem; color: var(--white); font-size: clamp(1.4rem, 2.5vw, 2rem); font-weight: 550; }
.legal-content p { max-width: 760px; color: var(--muted); font-size: 1rem; line-height: 1.7; }
.legal-content a, .legal-page .site-footer a { color: var(--signal-text); }
.legal-updated { color: var(--signal-text) !important; font-family: var(--mono); font-size: .86rem !important; }
.legal-page .site-footer { max-width: none; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity 650ms ease, transform 650ms ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
  .hero-video { display: none; }
}

@media (max-width: 1024px) {
  .hero { padding-top: 8rem; }
  .hero-copy { padding-right: 0; padding-bottom: 1rem; }
  .site-header { min-height: 4.8rem; }
  .hero::before { top: 4.8rem; }
  .section-heading { grid-template-columns: 1fr 1.5fr; }
  .service-heading { grid-template-columns: 1fr 1.5fr; }
  .section-heading > p:last-child { grid-column: 2; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .service-card:last-child { border-bottom: 0; }
  .service-number { margin-bottom: 2.5rem; }
  .service-card h3, .service-card > p:not(.micro-label) { min-height: 0; }
}

@media (max-width: 680px) {
  :root { --pad: 1.2rem; }
  h1 { font-size: clamp(3.1rem, 16vw, 5rem); }
  .hero-intro { font-size: 1rem; }
  .hero-actions { grid-template-columns: 1fr; }
  .hero-link, .hero-link + .hero-link { min-height: 3.8rem; padding: 0.4rem 0; border-left: 0; }
  .hero-link + .hero-link { border-top: 1px solid var(--line); }
  .hero::after { background: linear-gradient(90deg, rgba(0, 0, 0, .83), rgba(0, 0, 0, .50)), linear-gradient(0deg, rgba(0, 0, 0, .9), transparent 55%); }
  .section-heading, .fit-intro { grid-template-columns: 1fr; gap: 1.4rem; }
  .section-heading .eyebrow, .section-heading h2, .section-heading > p:last-child,
  .fit-intro .eyebrow, .fit-intro h2, .fit-intro > p:last-child { grid-column: 1; }
  .domain-tabs { grid-template-columns: 1fr; }
  .domain-tab { border-right: 0; border-bottom: 1px solid var(--dark-line); }
  .domain-tab::after { top: 0; right: auto; bottom: 0; width: 5px; height: 100%; transform: scaleY(0); }
  .domain-tab[aria-selected="true"]::after { transform: scaleY(1); }
  .domain-index { height: 160px; padding: 0.5rem 0.8rem; }
  .domain-art { max-height: 150px; }
  .domain-content { padding: 1.6rem 0 2rem; }
  .domain-detail-grid { grid-template-columns: 1fr; gap: 2rem; }
  .insights-inner { grid-template-columns: 1fr; gap: 1.4rem; }
  .insights .eyebrow { margin: 0; }
  .insights-links { grid-template-columns: 1fr; }
  .service-heading { grid-template-columns: 1fr; }
  .service-method { grid-column: 1; }
  .contact-section { padding-inline: var(--pad); }
  .contact-section .inquiry { padding: 0; }
  .inquiry-fields { grid-template-columns: 1fr; gap: 1.3rem; }
  .inquiry-submit { align-items: flex-start; flex-direction: column; }
  .korea-focus-inner, .fit-workspace { grid-template-columns: 1fr; }
  .korea-focus-inner { gap: 1.5rem; }
  .fit-options { border-right: 0; border-bottom: 1px solid var(--line); }
  .fit-options button[aria-checked="true"] { box-shadow: inset 3px 0 var(--signal); }
  .fit-result { padding: 2.5rem 0; }
  .result-topline { gap: 1rem; }
  .result-button { width: 100%; min-width: 0; }
  .site-footer { align-items: flex-start; flex-direction: column; gap: 2.5rem; }
  .footer-legal { align-self: flex-end; justify-content: flex-end; }
  .footer-main .copyright { white-space: normal; }
  .founder-layout { grid-template-columns: 1fr; }
  .founder-photo { width: min(72vw, 280px); }
}