:root {
  --ink: #111416;
  --ink-soft: #1c2225;
  --surface: #f5f7f8;
  --surface-strong: #e8edef;
  --white: #ffffff;
  --primary: #0b6e69;
  --primary-dark: #085650;
  --primary-soft: #e8f4f3;
  --signal: #f0b429;
  --signal-soft: #fff5d8;
  --muted: #68747a;
  --line: #d7dee1;
  --line-dark: #343c3f;
  --danger: #b42318;
  --container: 1200px;
  --shadow-tool: 12px 12px 0 rgba(17, 20, 22, 0.1);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Pretendard, "Noto Sans KR", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.nav-open {
  overflow: hidden;
}

button,
input,
textarea,
select {
  font: inherit;
  letter-spacing: 0;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  letter-spacing: 0;
}

.container {
  width: min(var(--container), calc(100% - 64px));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  color: var(--white);
  background: var(--primary);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: 3px;
}

.icon-box {
  display: inline-grid;
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  place-items: center;
  line-height: 0;
}

.icon-box > svg {
  display: block;
  width: 20px;
  height: 20px;
  margin: 0;
}

.icon-box--small {
  width: 18px;
  height: 18px;
}

.icon-box--small > svg {
  width: 16px;
  height: 16px;
}

.site-header {
  position: relative;
  z-index: 30;
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.site-header--dark {
  color: var(--white);
  border-color: var(--line-dark);
  background: var(--ink);
}

.site-header--overlay {
  position: absolute;
  inset: 0 0 auto;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.25);
  background: transparent;
}

.site-header__inner {
  display: flex;
  min-height: 80px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  min-width: 160px;
  align-items: center;
  gap: 12px;
  font-size: 17px;
  font-weight: 700;
  white-space: nowrap;
}

.brand img {
  width: 36px;
  height: 36px;
}

.brand small {
  display: block;
  margin-top: 1px;
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 9px;
  font-weight: 500;
  line-height: 1.2;
}

.site-header--dark .brand small,
.site-header--overlay .brand small {
  color: #9eaaae;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 14px;
  font-weight: 600;
}

.site-nav a {
  position: relative;
  display: inline-flex;
  min-height: 44px;
  align-items: center;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 7px;
  left: 0;
  height: 2px;
  background: var(--primary);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.site-header--overlay .site-nav a::after {
  background: var(--signal);
}

.header-actions {
  display: flex;
  min-width: 160px;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.header-compare {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 8px;
  padding-inline: 12px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.site-header--dark .header-compare,
.site-header--overlay .header-compare {
  color: #b9c3c6;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: 1px solid transparent;
  border-radius: 4px;
  padding: 0 18px;
  font-weight: 700;
  line-height: 1.3;
  text-align: center;
  transition: color 180ms ease, background-color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button--primary {
  color: var(--white);
  background: var(--primary);
}

.button--primary:hover {
  background: var(--primary-dark);
}

.button--signal {
  color: var(--ink);
  background: var(--signal);
}

.button--signal:hover {
  background: #dca018;
}

.button--dark {
  color: var(--white);
  background: var(--ink);
}

.button--outline {
  color: currentColor;
  border-color: currentColor;
  background: transparent;
}

.button--light-outline {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.58);
  background: transparent;
}

.button--full {
  width: 100%;
}

.mobile-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid currentColor;
  border-radius: 4px;
  color: inherit;
  background: transparent;
}

.mobile-toggle > svg {
  width: 22px;
  height: 22px;
}

.section-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  color: var(--primary);
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.4;
  text-transform: uppercase;
}

.section-kicker::before {
  width: 18px;
  height: 2px;
  background: currentColor;
  content: "";
}

.section-heading {
  font-size: 44px;
  line-height: 1.24;
}

.section-lead {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
}

.mono-label {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  font-weight: 600;
  line-height: 1.4;
  text-transform: uppercase;
}

.tag {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 3px 8px;
  color: var(--muted);
  background: var(--white);
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  font-weight: 600;
}

.tag--teal {
  color: var(--primary);
  border-color: #b6d9d6;
  background: var(--primary-soft);
}

.tag--demo {
  color: #765000;
  border-color: #e1bd55;
  background: var(--signal-soft);
}

/* Concept A */
.a-hero {
  color: var(--white);
  background: var(--ink);
}

.a-hero__grid {
  display: grid;
  min-height: 720px;
  grid-template-columns: minmax(0, 0.95fr) minmax(500px, 1.05fr);
}

.a-hero__copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 72px 64px 72px max(32px, calc((100vw - var(--container)) / 2));
}

.a-hero__copy .section-kicker {
  color: #7dd4cd;
}

.a-hero h1 {
  max-width: 660px;
  margin-bottom: 26px;
  font-size: 60px;
  line-height: 1.12;
}

.a-hero__copy > p {
  max-width: 600px;
  margin-bottom: 34px;
  color: #c0c9cc;
  font-size: 18px;
  line-height: 1.85;
}

.a-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.a-demo-grid {
  display: grid;
  max-width: 620px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 48px;
  border-top: 1px solid var(--line-dark);
}

.a-demo-metric {
  min-width: 0;
  padding: 20px 16px 0 0;
}

.a-demo-metric strong {
  display: block;
  color: var(--white);
  font-family: "IBM Plex Mono", monospace;
  font-size: 23px;
  line-height: 1.25;
}

.a-demo-metric span {
  display: block;
  margin-top: 7px;
  color: #909da1;
  font-size: 12px;
}

.a-builder-shell {
  display: flex;
  align-items: center;
  padding: 52px max(32px, calc((100vw - var(--container)) / 2)) 52px 48px;
  background: var(--surface-strong);
}

.brief-tool {
  width: 100%;
  min-height: 592px;
  border: 1px solid #c6d0d3;
  border-radius: 6px;
  padding: 30px;
  color: var(--ink);
  background: var(--white);
  box-shadow: var(--shadow-tool);
}

.brief-tool__header {
  display: flex;
  min-height: 48px;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 20px;
}

.brief-tool__header h2 {
  margin: 0;
  font-size: 20px;
  line-height: 1.4;
}

.brief-progress {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  margin: 20px 0 26px;
}

.brief-progress span {
  height: 4px;
  background: var(--line);
}

.brief-progress span.is-active {
  background: var(--primary);
}

.brief-step[hidden] {
  display: none;
}

.brief-step__label {
  margin-bottom: 14px;
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  font-weight: 600;
}

.choice-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.choice-button {
  position: relative;
  display: block;
  min-height: 94px;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 18px;
  color: var(--ink);
  background: var(--white);
  text-align: left;
  transition: border-color 180ms ease, background-color 180ms ease;
}

.choice-button:hover {
  border-color: var(--primary);
}

.choice-button.is-selected,
.choice-button[aria-pressed="true"] {
  border: 2px solid var(--primary);
  background: var(--primary-soft);
}

.choice-button strong {
  display: block;
  margin-bottom: 7px;
  font-size: 15px;
}

.choice-button small {
  display: block;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.request-types {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.type-button {
  display: flex;
  min-height: 56px;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 10px 13px;
  color: var(--ink);
  background: var(--white);
  font-size: 13px;
  font-weight: 700;
  text-align: left;
}

.type-button.is-selected,
.type-button[aria-pressed="true"] {
  color: var(--white);
  border-color: var(--primary);
  background: var(--primary);
}

.type-button .icon-box {
  width: 28px;
  height: 28px;
}

.type-button .icon-box > svg {
  width: 18px;
  height: 18px;
}

.brief-summary {
  margin-top: 20px;
  border-radius: 4px;
  padding: 16px 18px;
  color: var(--white);
  background: var(--ink);
}

.brief-summary__row {
  display: flex;
  min-height: 34px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid var(--line-dark);
  font-size: 13px;
}

.brief-summary__row:last-child {
  border-bottom: 0;
}

.brief-summary__row span:first-child {
  color: #93a0a4;
}

.brief-summary__row span:last-child {
  text-align: right;
}

.brief-tool__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 18px;
}

.brief-back {
  min-height: 48px;
  border: 0;
  padding: 0 12px;
  color: var(--muted);
  background: transparent;
  font-weight: 700;
}

.a-status-band {
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.a-status-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.a-status-item {
  min-height: 110px;
  border-right: 1px solid var(--line);
  padding: 24px;
}

.a-status-item:first-child {
  border-left: 1px solid var(--line);
}

.a-status-item span {
  color: var(--primary);
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  font-weight: 600;
}

.a-status-item strong {
  display: block;
  margin-top: 10px;
  font-size: 15px;
}

.a-business {
  padding: 112px 0;
}

.section-intro {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.7fr);
  gap: 72px;
  align-items: end;
  margin-bottom: 48px;
}

.section-intro .section-heading {
  margin-bottom: 0;
}

.section-intro .section-lead {
  margin-bottom: 0;
}

.a-business-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.business-card {
  position: relative;
  overflow: hidden;
  min-height: 560px;
  border-radius: 6px;
  color: var(--white);
  background: var(--ink);
}

.business-card::after {
  position: absolute;
  z-index: 1;
  inset: 0;
  background: rgba(17, 20, 22, 0.56);
  content: "";
}

.business-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 400ms ease;
}

.business-card:hover img {
  transform: scale(1.025);
}

.business-card__content {
  position: absolute;
  z-index: 2;
  inset: auto 0 0;
  padding: 34px;
}

.business-card__index {
  color: #7dd4cd;
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  font-weight: 600;
}

.business-card h3 {
  margin: 14px 0 12px;
  font-size: 34px;
  line-height: 1.25;
}

.business-card p {
  max-width: 520px;
  margin-bottom: 22px;
  color: #d8dfe1;
}

.business-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.a-proof {
  padding: 108px 0;
  background: var(--surface);
}

.proof-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.72fr) minmax(0, 1.28fr);
  gap: 84px;
}

.proof-list {
  border-top: 1px solid var(--ink);
}

.proof-row {
  display: grid;
  min-height: 132px;
  grid-template-columns: 74px 1fr auto;
  align-items: center;
  gap: 18px;
  border-bottom: 1px solid var(--line);
}

.proof-row__number {
  color: var(--primary);
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  font-weight: 600;
}

.proof-row h3 {
  margin-bottom: 7px;
  font-size: 20px;
}

.proof-row p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.proof-row .icon-box {
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--primary);
  background: var(--white);
}

.a-company {
  color: var(--white);
  background: var(--ink);
}

.a-company__grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
}

.a-company__copy {
  padding: 100px 76px 100px max(32px, calc((100vw - var(--container)) / 2));
}

.a-company__copy .section-kicker {
  color: #7dd4cd;
}

.a-company__copy .section-heading {
  margin-bottom: 24px;
}

.a-company__copy p {
  max-width: 560px;
  color: #b9c4c7;
}

.a-company__data {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  background: var(--ink-soft);
}

.data-cell {
  min-height: 190px;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  padding: 34px;
}

.data-cell:nth-child(2n) {
  border-right: 0;
}

.data-cell span {
  color: #7dd4cd;
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  font-weight: 600;
}

.data-cell strong {
  display: block;
  margin-top: 32px;
  font-size: 24px;
}

.data-cell small {
  display: block;
  margin-top: 8px;
  color: #8f9b9f;
}

.timeline {
  padding: 108px 0;
}

.timeline-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 48px;
  border-top: 1px solid var(--ink);
}

.timeline-item {
  position: relative;
  min-height: 220px;
  border-right: 1px solid var(--line);
  padding: 30px 24px;
}

.timeline-item:last-child {
  border-right: 0;
}

.timeline-item::before {
  position: absolute;
  top: -5px;
  left: 24px;
  width: 10px;
  height: 10px;
  background: var(--primary);
  content: "";
}

.timeline-item time {
  color: var(--primary);
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  font-weight: 600;
}

.timeline-item h3 {
  margin: 38px 0 10px;
  font-size: 20px;
}

.timeline-item p {
  color: var(--muted);
  font-size: 14px;
}

.inquiry {
  padding: 110px 0;
  background: var(--surface);
}

.inquiry-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.78fr) minmax(0, 1.22fr);
  gap: 80px;
}

.inquiry-copy {
  position: sticky;
  top: 28px;
  align-self: start;
}

.inquiry-checks {
  display: grid;
  gap: 12px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.inquiry-checks li {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  color: var(--muted);
}

.inquiry-checks .icon-box {
  margin-top: 2px;
  color: var(--primary);
}

.inquiry-form {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 32px;
  background: var(--white);
}

.form-summary {
  margin-bottom: 28px;
  border-left: 4px solid var(--primary);
  padding: 18px 20px;
  background: var(--primary-soft);
}

.form-summary h3 {
  margin-bottom: 12px;
  font-size: 16px;
}

.form-summary dl {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 7px 14px;
  margin: 0;
  font-size: 13px;
}

.form-summary dt {
  color: var(--muted);
}

.form-summary dd {
  margin: 0;
  font-weight: 700;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.field {
  min-width: 0;
}

.field--full {
  grid-column: 1 / -1;
}

.field label,
.field legend {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 700;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 50px;
  border: 1px solid #bdc7ca;
  border-radius: 4px;
  padding: 11px 13px;
  color: var(--ink);
  background: var(--white);
}

.field textarea {
  min-height: 132px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--primary);
  outline: 2px solid rgba(11, 110, 105, 0.16);
}

.consent {
  display: flex;
  min-height: 44px;
  align-items: flex-start;
  gap: 10px;
  color: var(--muted);
  font-size: 13px;
}

.consent input {
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  accent-color: var(--primary);
}

.form-note {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.form-result {
  margin-top: 16px;
  border: 1px solid #a9d3cf;
  border-radius: 4px;
  padding: 14px 16px;
  color: var(--primary-dark);
  background: var(--primary-soft);
  font-size: 14px;
  font-weight: 700;
}

.form-result[hidden] {
  display: none;
}

/* Concept B */
.site-b {
  font-family: Manrope, Pretendard, "Noto Sans KR", sans-serif;
}

.b-hero {
  position: relative;
  display: flex;
  height: min(780px, 82svh);
  min-height: 640px;
  align-items: flex-end;
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
}

.b-hero::before {
  position: absolute;
  z-index: 1;
  inset: 0;
  background: rgba(17, 20, 22, 0.55);
  content: "";
}

.b-hero__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.b-hero__copy {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 80px;
  align-items: end;
  padding-bottom: 68px;
}

.b-hero__copy .section-kicker {
  color: #83d6cf;
}

.b-hero h1 {
  max-width: 830px;
  margin-bottom: 22px;
  font-family: Manrope, Pretendard, sans-serif;
  font-size: 68px;
  font-weight: 600;
  line-height: 1.08;
}

.b-hero__copy p {
  max-width: 680px;
  margin-bottom: 0;
  color: #e3e9eb;
  font-family: Pretendard, "Noto Sans KR", sans-serif;
  font-size: 19px;
  line-height: 1.8;
}

.b-hero__aside {
  border-top: 1px solid rgba(255, 255, 255, 0.56);
  padding-top: 22px;
}

.b-hero__aside span {
  color: #b7c1c4;
  font-size: 13px;
}

.b-hero__aside .button {
  width: 100%;
  margin-top: 18px;
}

.b-business {
  background: var(--white);
}

.b-business__grid {
  display: grid;
  grid-template-columns: 280px 1fr 1fr;
}

.b-business__intro,
.b-business__field {
  min-height: 330px;
  border-right: 1px solid var(--line);
  padding: 44px 36px;
}

.b-business__intro {
  padding-left: 0;
}

.b-business__field:last-child {
  border-right: 0;
}

.b-business__intro p {
  margin-top: 56px;
  color: var(--muted);
  font-size: 15px;
}

.b-business__field {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}

.b-business__field h2 {
  margin: 46px 0 12px;
  font-family: Manrope, Pretendard, sans-serif;
  font-size: 34px;
  line-height: 1.25;
}

.b-business__field p {
  max-width: 360px;
  color: var(--muted);
  font-family: Pretendard, "Noto Sans KR", sans-serif;
}

.b-business__field .field-index {
  position: absolute;
  right: 24px;
  bottom: 10px;
  color: #edf1f2;
  font-size: 86px;
  font-weight: 600;
  line-height: 1;
}

.b-business__field .button {
  position: relative;
  z-index: 2;
  align-self: flex-start;
}

.b-philosophy {
  padding: 120px 0;
  color: var(--white);
  background: var(--primary);
}

.b-philosophy__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
  align-items: center;
}

.b-philosophy__grid h2 {
  max-width: 680px;
  margin-bottom: 0;
  font-family: Manrope, Pretendard, sans-serif;
  font-size: 50px;
  line-height: 1.2;
}

.b-philosophy__grid p {
  color: #d7efed;
  font-family: Pretendard, "Noto Sans KR", sans-serif;
  font-size: 18px;
  line-height: 1.85;
}

.b-philosophy__grid .section-kicker {
  color: #d7efed;
}

.b-demo-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 34px;
  border-top: 1px solid rgba(255, 255, 255, 0.4);
}

.b-demo-metric {
  padding: 22px 18px 0 0;
}

.b-demo-metric strong {
  display: block;
  color: var(--white);
  font-family: "IBM Plex Mono", monospace;
  font-size: 21px;
  line-height: 1.3;
}

.b-demo-metric span {
  display: block;
  margin-top: 7px;
  color: #d7efed;
  font-family: Pretendard, "Noto Sans KR", sans-serif;
  font-size: 12px;
}

.b-visual-pair {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
}

.b-visual-pair figure {
  position: relative;
  min-height: 550px;
  margin: 0;
  overflow: hidden;
}

.b-visual-pair figure:first-child {
  min-height: 660px;
}

.b-visual-pair img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.b-visual-pair figcaption {
  position: absolute;
  right: 20px;
  bottom: 18px;
  left: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-radius: 4px;
  padding: 18px 20px;
  color: var(--white);
  background: rgba(17, 20, 22, 0.86);
}

.b-visual-pair figcaption strong {
  font-size: 16px;
}

.b-visual-pair figcaption span {
  color: #b9c4c7;
  font-size: 12px;
}

.b-brief {
  padding: 118px 0;
  background: var(--surface);
}

.b-brief__grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 92px;
}

.b-brief__intro .section-heading {
  margin-bottom: 22px;
}

.b-brief__intro .section-lead {
  margin-bottom: 34px;
}

.b-brief__steps {
  margin: 36px 0 0;
  padding: 0;
  list-style: none;
}

.b-brief__steps li {
  display: grid;
  min-height: 64px;
  grid-template-columns: 42px 1fr;
  align-items: center;
  border-bottom: 1px solid #b9c4c7;
  color: var(--muted);
}

.b-brief__steps span {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  font-weight: 600;
}

.b-brief__steps strong {
  font-size: 15px;
}

.b-brief-panel {
  min-height: 560px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 34px;
  background: var(--white);
}

.b-choice-stack {
  display: grid;
  gap: 10px;
}

.b-choice {
  display: grid;
  min-height: 88px;
  grid-template-columns: 52px 1fr auto;
  align-items: center;
  gap: 16px;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 14px 16px;
  color: var(--ink);
  background: var(--white);
  text-align: left;
}

.b-choice .icon-box {
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--primary);
  background: var(--surface);
}

.b-choice .icon-box > svg {
  width: 21px;
  height: 21px;
}

.b-choice strong {
  display: block;
  margin-bottom: 4px;
}

.b-choice small {
  color: var(--muted);
}

.b-choice.is-selected,
.b-choice[aria-pressed="true"] {
  border-color: var(--primary);
  background: var(--primary-soft);
}

.b-choice.is-selected .icon-box,
.b-choice[aria-pressed="true"] .icon-box {
  color: var(--white);
  border-color: var(--primary);
  background: var(--primary);
}

.b-choice .icon-box:last-child {
  width: 28px;
  height: 28px;
  border: 0;
  background: transparent;
}

.b-process {
  padding: 110px 0;
}

.b-process__header {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 92px;
  margin-bottom: 52px;
}

.b-process__header p {
  max-width: 700px;
  color: var(--muted);
  font-size: 18px;
}

.b-process__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--ink);
}

.b-process__item {
  min-height: 260px;
  border-right: 1px solid var(--line);
  padding: 30px 24px;
}

.b-process__item:last-child {
  border-right: 0;
}

.b-process__item span {
  color: var(--primary);
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  font-weight: 600;
}

.b-process__item h3 {
  margin: 72px 0 12px;
  font-size: 21px;
}

.b-process__item p {
  color: var(--muted);
  font-family: Pretendard, "Noto Sans KR", sans-serif;
  font-size: 14px;
}

.b-company {
  display: grid;
  grid-template-columns: 1fr 1fr;
  color: var(--white);
  background: var(--ink);
}

.b-company__image {
  position: relative;
  min-height: 670px;
}

.b-company__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.b-company__copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 84px max(32px, calc((100vw - var(--container)) / 2)) 84px 72px;
}

.b-company__copy .section-kicker {
  color: #7dd4cd;
}

.b-company__copy p {
  color: #b9c4c7;
  font-family: Pretendard, "Noto Sans KR", sans-serif;
}

.b-company__facts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin-top: 32px;
  border-top: 1px solid var(--line-dark);
}

.b-company__fact {
  min-height: 120px;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  padding: 20px 18px 20px 0;
}

.b-company__fact:nth-child(2n) {
  border-right: 0;
  padding-left: 20px;
}

.b-company__fact span {
  color: #7dd4cd;
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
}

.b-company__fact strong {
  display: block;
  margin-top: 18px;
}

.b-history {
  padding: 110px 0;
}

.b-history__list {
  margin-top: 44px;
  border-top: 1px solid var(--ink);
}

.b-history__row {
  display: grid;
  min-height: 110px;
  grid-template-columns: 180px 1fr auto;
  align-items: center;
  gap: 32px;
  border-bottom: 1px solid var(--line);
}

.b-history__row time {
  color: var(--primary);
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  font-weight: 600;
}

.b-history__row strong {
  font-size: 18px;
}

.b-history__row span {
  color: var(--muted);
  font-size: 13px;
}

.b-inquiry {
  padding: 110px 0;
  background: var(--surface);
}

.b-inquiry .inquiry-grid {
  grid-template-columns: minmax(0, 1fr) minmax(460px, 0.9fr);
}

.b-inquiry .inquiry-copy {
  position: static;
}

/* Footer */
.site-footer {
  padding: 56px 0;
  color: #c0c9cc;
  background: var(--ink);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 60px;
}

.footer-brand {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.footer-brand img {
  width: 42px;
  height: 42px;
}

.footer-brand strong {
  display: block;
  color: var(--white);
  font-size: 18px;
}

.footer-brand p {
  margin: 6px 0 0;
  color: #8f9ca0;
  font-size: 13px;
}

.footer-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(150px, 1fr));
  gap: 22px 40px;
  font-size: 13px;
}

.footer-meta dt {
  color: #7dd4cd;
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  font-weight: 600;
}

.footer-meta dd {
  margin: 5px 0 0;
}

.demo-disclosure {
  margin: 0;
  border-top: 1px solid #3d4649;
  padding: 15px 24px;
  color: #c7d0d3;
  background: #1a2023;
  font-size: 12px;
  line-height: 1.65;
  text-align: center;
}

/* Review index */
.review-body {
  min-height: 100svh;
  background: var(--surface);
}

.review-header {
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.review-header__inner {
  display: flex;
  min-height: 82px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.review-title {
  display: flex;
  align-items: center;
  gap: 14px;
}

.review-title img {
  width: 40px;
  height: 40px;
}

.review-title h1 {
  margin: 0;
  font-size: 20px;
}

.review-title p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.review-status {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--primary);
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  font-weight: 600;
}

.review-status::before {
  width: 8px;
  height: 8px;
  background: var(--primary);
  content: "";
}

.review-main {
  padding: 52px 0 72px;
}

.review-summary {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 28px;
}

.review-summary h2 {
  max-width: 720px;
  margin-bottom: 8px;
  font-size: 32px;
}

.review-summary p {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--muted);
}

.review-shared {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.review-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.review-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
}

.review-card__preview {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--ink);
}

.review-card__preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform 300ms ease;
}

.review-card:hover .review-card__preview img {
  transform: scale(1.015);
}

.review-card__label {
  position: absolute;
  top: 14px;
  left: 14px;
  border-radius: 4px;
  padding: 7px 10px;
  color: var(--white);
  background: rgba(17, 20, 22, 0.9);
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  font-weight: 600;
}

.review-card__body {
  padding: 24px;
}

.review-card__body h3 {
  margin-bottom: 8px;
  font-size: 22px;
}

.review-card__body p {
  min-height: 54px;
  margin-bottom: 20px;
  color: var(--muted);
  font-size: 14px;
}

.review-card__axes {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 22px;
}

@media (max-width: 1080px) {
  .container {
    width: min(var(--container), calc(100% - 56px));
  }

  .header-actions {
    min-width: auto;
  }

  .header-compare {
    display: none;
  }

  .a-hero__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(430px, 1.1fr);
  }

  .a-hero__copy {
    padding-right: 38px;
  }

  .a-hero h1 {
    font-size: 50px;
  }

  .a-builder-shell {
    padding-left: 34px;
  }

  .section-heading {
    font-size: 39px;
  }

  .proof-layout,
  .inquiry-grid,
  .b-brief__grid,
  .b-process__header {
    gap: 56px;
  }

  .b-hero h1 {
    font-size: 58px;
  }

  .b-business__grid {
    grid-template-columns: 220px 1fr 1fr;
  }
}

@media (max-width: 820px) {
  .container {
    width: calc(100% - 48px);
  }

  .site-header__inner {
    min-height: 72px;
  }

  .site-nav {
    position: fixed;
    z-index: 40;
    inset: 72px 0 auto;
    display: none;
    max-height: calc(100svh - 72px);
    overflow-y: auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border-top: 1px solid var(--line);
    padding: 12px 24px 24px;
    color: var(--ink);
    background: var(--white);
    box-shadow: 0 18px 30px rgba(17, 20, 22, 0.14);
  }

  .nav-open .site-nav {
    display: flex;
  }

  .site-nav a {
    min-height: 54px;
    border-bottom: 1px solid var(--line);
  }

  .site-nav a::after {
    display: none;
  }

  .mobile-toggle {
    display: inline-flex;
  }

  .header-actions .button {
    display: none;
  }

  .a-hero__grid {
    grid-template-columns: 1fr;
  }

  .a-hero__copy {
    min-height: 600px;
    padding: 72px 24px;
  }

  .a-hero h1 {
    font-size: 48px;
  }

  .a-builder-shell {
    padding: 42px 24px 54px;
  }

  .a-status-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .a-status-item:nth-child(2n) {
    border-right: 0;
  }

  .a-status-item:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .a-business,
  .a-proof,
  .timeline,
  .inquiry,
  .b-brief,
  .b-process,
  .b-history,
  .b-inquiry {
    padding: 86px 0;
  }

  .section-intro,
  .proof-layout,
  .inquiry-grid,
  .b-philosophy__grid,
  .b-brief__grid,
  .b-process__header,
  .b-inquiry .inquiry-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .a-business-grid {
    grid-template-columns: 1fr;
  }

  .business-card {
    min-height: 500px;
  }

  .proof-row {
    grid-template-columns: 58px 1fr auto;
  }

  .a-company__grid,
  .b-company {
    grid-template-columns: 1fr;
  }

  .a-company__copy {
    padding: 84px 24px;
  }

  .timeline-grid,
  .b-process__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .timeline-item:nth-child(2),
  .b-process__item:nth-child(2) {
    border-right: 0;
  }

  .timeline-item:nth-child(-n + 2),
  .b-process__item:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .inquiry-copy {
    position: static;
  }

  .b-hero {
    height: auto;
    min-height: 680px;
  }

  .b-hero__copy {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-bottom: 48px;
  }

  .b-hero h1 {
    font-size: 50px;
  }

  .b-hero__aside {
    max-width: 380px;
  }

  .b-business__grid {
    grid-template-columns: 1fr 1fr;
  }

  .b-business__intro {
    grid-column: 1 / -1;
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 32px 0;
  }

  .b-business__intro p {
    margin: 14px 0 0;
  }

  .b-business__field {
    min-height: 300px;
  }

  .b-business__field:nth-child(2) {
    padding-left: 0;
  }

  .b-philosophy {
    padding: 88px 0;
  }

  .b-visual-pair {
    grid-template-columns: 1fr;
  }

  .b-visual-pair figure,
  .b-visual-pair figure:first-child {
    min-height: 480px;
  }

  .b-company__image {
    min-height: 520px;
  }

  .b-company__copy {
    padding: 84px 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .review-summary {
    display: block;
  }

  .review-shared {
    margin-top: 18px;
  }

  .review-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .container {
    width: calc(100% - 40px);
  }

  .brand {
    min-width: auto;
    font-size: 15px;
  }

  .brand img {
    width: 34px;
    height: 34px;
  }

  .brand small {
    display: none;
  }

  .site-header__inner {
    min-height: 68px;
  }

  .site-nav {
    inset-block-start: 68px;
  }

  .section-heading {
    font-size: 34px;
  }

  .section-lead {
    font-size: 16px;
  }

  .a-hero__copy {
    min-height: 620px;
    padding: 58px 20px;
  }

  .a-hero h1 {
    font-size: 40px;
  }

  .a-hero__copy > p {
    font-size: 16px;
  }

  .a-hero__actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .a-demo-grid {
    grid-template-columns: 1fr;
    margin-top: 36px;
  }

  .a-demo-metric {
    display: grid;
    grid-template-columns: 90px 1fr;
    align-items: center;
    border-bottom: 1px solid var(--line-dark);
    padding: 14px 0;
  }

  .a-demo-metric span {
    margin-top: 0;
  }

  .a-builder-shell {
    padding: 28px 20px 44px;
  }

  .brief-tool,
  .b-brief-panel {
    min-height: 0;
    padding: 22px 18px;
    box-shadow: 8px 8px 0 rgba(17, 20, 22, 0.08);
  }

  .brief-tool__header h2 {
    font-size: 18px;
  }

  .choice-grid,
  .request-types,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .choice-button {
    min-height: 82px;
  }

  .brief-tool__footer {
    align-items: stretch;
    flex-direction: column-reverse;
  }

  .brief-back {
    width: 100%;
  }

  .a-status-grid {
    grid-template-columns: 1fr;
  }

  .a-status-item {
    min-height: 88px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 18px 20px;
  }

  .a-status-item:first-child {
    border-left: 0;
  }

  .a-business,
  .a-proof,
  .timeline,
  .inquiry,
  .b-brief,
  .b-process,
  .b-history,
  .b-inquiry {
    padding: 70px 0;
  }

  .business-card {
    min-height: 450px;
  }

  .business-card__content {
    padding: 24px;
  }

  .business-card h3 {
    font-size: 28px;
  }

  .proof-row {
    min-height: 124px;
    grid-template-columns: 38px 1fr;
    gap: 12px;
  }

  .proof-row .icon-box {
    display: none;
  }

  .a-company__data {
    grid-template-columns: 1fr;
  }

  .data-cell,
  .data-cell:nth-child(2n) {
    min-height: 140px;
    border-right: 0;
    padding: 26px 20px;
  }

  .data-cell strong {
    margin-top: 20px;
    font-size: 21px;
  }

  .timeline-grid,
  .b-process__grid {
    grid-template-columns: 1fr;
  }

  .timeline-item,
  .b-process__item {
    min-height: 180px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .inquiry-form {
    padding: 24px 18px;
  }

  .form-summary dl {
    grid-template-columns: 72px 1fr;
  }

  .b-hero {
    min-height: 680px;
  }

  .b-hero__copy {
    padding-bottom: 36px;
  }

  .b-hero h1 {
    font-size: 41px;
  }

  .b-hero__copy p {
    font-size: 16px;
  }

  .b-business__grid {
    grid-template-columns: 1fr;
  }

  .b-business__intro {
    grid-column: auto;
  }

  .b-business__field,
  .b-business__field:nth-child(2) {
    min-height: 300px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 32px 20px;
  }

  .b-business__field h2 {
    margin-top: 36px;
    font-size: 30px;
  }

  .b-philosophy__grid h2 {
    font-size: 36px;
  }

  .b-demo-metrics {
    grid-template-columns: 1fr;
  }

  .b-demo-metric {
    display: grid;
    grid-template-columns: 90px 1fr;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    padding: 14px 0;
  }

  .b-demo-metric span {
    margin-top: 0;
  }

  .b-visual-pair figure,
  .b-visual-pair figure:first-child {
    min-height: 410px;
  }

  .b-visual-pair figcaption {
    display: block;
  }

  .b-visual-pair figcaption span {
    display: block;
    margin-top: 5px;
  }

  .b-choice {
    grid-template-columns: 46px 1fr 24px;
    padding: 12px;
  }

  .b-choice .icon-box {
    width: 40px;
    height: 40px;
  }

  .b-process__header {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .b-company__image {
    min-height: 430px;
  }

  .b-company__facts {
    grid-template-columns: 1fr;
  }

  .b-company__fact,
  .b-company__fact:nth-child(2n) {
    min-height: 100px;
    border-right: 0;
    padding: 18px 0;
  }

  .b-history__row {
    min-height: 122px;
    grid-template-columns: 84px 1fr;
    gap: 18px;
  }

  .b-history__row span {
    grid-column: 2;
  }

  .b-inquiry .inquiry-grid {
    grid-template-columns: 1fr;
  }

  .footer-meta {
    grid-template-columns: 1fr;
  }

  .demo-disclosure {
    padding-inline: 20px;
    text-align: left;
  }

  .review-header__inner {
    min-height: 72px;
  }

  .review-status {
    display: none;
  }

  .review-main {
    padding: 34px 0 52px;
  }

  .review-summary h2 {
    font-size: 27px;
  }

  .review-card__body p {
    min-height: 0;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}