@import url('https://fonts.googleapis.com/css2?family=Do+Hyeon&family=Gowun+Dodum&family=Roboto+Mono:wght@400;500&display=swap');

:root {
  --sdc-bg: #f4f5f7;
  --sdc-surface: #ffffff;
  --sdc-surface-2: #eceef2;
  --sdc-ink: #1c1e24;
  --sdc-ink-soft: #40444e;
  --sdc-muted: #6b7080;
  --sdc-line: #d9dce3;
  --sdc-accent: #2563a8;
  --sdc-accent-deep: #1c4b83;
  --sdc-accent-soft: #e3ecf6;
  --sdc-tag-blue: #d7e5f5;
  --sdc-tag-blue-ink: #1c4b83;
  --sdc-tag-sand: #ece6d8;
  --sdc-tag-sand-ink: #6a5a35;
  --sdc-tag-sage: #dde8e0;
  --sdc-tag-sage-ink: #365643;
  --sdc-tag-slate: #dee1ea;
  --sdc-tag-slate-ink: #3a4256;
  --sdc-tag-rose: #efe1e0;
  --sdc-tag-rose-ink: #6a3f3c;
  --sdc-radius: 18px;
  --sdc-radius-sm: 12px;
  --sdc-radius-lg: 26px;
  --sdc-shadow: 0 1px 2px rgba(28, 30, 36, 0.05), 0 8px 24px rgba(28, 30, 36, 0.06);
  --sdc-shadow-hover: 0 6px 14px rgba(28, 30, 36, 0.08), 0 18px 44px rgba(28, 30, 36, 0.12);
  --sdc-maxw: 1160px;
  --sdc-ease: cubic-bezier(0.16, 1, 0.3, 1);
  --sdc-hero-fallback: #16233a;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--sdc-bg);
  color: var(--sdc-ink);
  font-family: 'Gowun Dodum', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  font-size: 17px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: 'Do Hyeon', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  font-weight: 400;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--sdc-ink);
  margin: 0;
}

p {
  margin: 0 0 1.1em;
  color: var(--sdc-ink-soft);
}

a {
  color: var(--sdc-accent);
  text-decoration: none;
  transition: color 0.2s var(--sdc-ease);
}

a:hover {
  color: var(--sdc-accent-deep);
}

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

mark {
  background: var(--sdc-accent-soft);
  color: var(--sdc-accent-deep);
  padding: 0 0.15em;
  border-radius: 3px;
}

.mono {
  font-family: 'Roboto Mono', 'Courier New', monospace;
  font-variant-numeric: tabular-nums;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--sdc-ink);
  color: #fff;
  padding: 10px 16px;
  border-radius: 0 0 8px 0;
  z-index: 200;
}

.skip-link:focus {
  left: 0;
  color: #fff;
}

.wrap {
  width: 100%;
  max-width: var(--sdc-maxw);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 64px 0;
}

.section-tight {
  padding: 44px 0;
}

.eyebrow {
  display: inline-block;
  font-family: 'Roboto Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sdc-accent);
  background: var(--sdc-accent-soft);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.section-head {
  max-width: 640px;
  margin-bottom: 34px;
}

.section-head h2 {
  font-size: clamp(1.7rem, 4.2vw, 2.4rem);
  margin-bottom: 12px;
}

.section-head p {
  font-size: 1.05rem;
  color: var(--sdc-muted);
  margin: 0;
}

.section-alt {
  background: var(--sdc-surface);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
summary:focus-visible,
.tile:focus-visible {
  outline: 3px solid var(--sdc-accent);
  outline-offset: 2px;
  border-radius: 6px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(244, 245, 247, 0.92);
  backdrop-filter: saturate(1.4) blur(8px);
  border-bottom: 1px solid var(--sdc-line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  font-family: 'Do Hyeon', sans-serif;
  font-size: 1.18rem;
  color: var(--sdc-ink);
  letter-spacing: -0.01em;
}

.brand:hover {
  color: var(--sdc-ink);
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: var(--sdc-accent);
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  color: #fff;
}

.brand-mark svg {
  width: 22px;
  height: 22px;
}

.nav-center {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav-center a {
  color: var(--sdc-ink-soft);
  font-family: 'Gowun Dodum', sans-serif;
  font-size: 0.98rem;
  padding: 9px 14px;
  border-radius: 10px;
  transition: background 0.2s var(--sdc-ease), color 0.2s var(--sdc-ease);
}

.nav-center a:hover,
.nav-center a[aria-current="page"] {
  background: var(--sdc-surface-2);
  color: var(--sdc-accent-deep);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--sdc-accent);
  color: #fff !important;
  padding: 9px 16px !important;
  min-height: 38px;
  line-height: 1;
  white-space: nowrap;
  border-radius: 11px !important;
  font-family: 'Do Hyeon', sans-serif;
  letter-spacing: 0.01em;
}

.nav-cta:hover {
  background: var(--sdc-accent-deep) !important;
  color: #fff !important;
}

.nav-cta svg {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--sdc-line);
  background: var(--sdc-surface);
  border-radius: 11px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  color: var(--sdc-ink);
}

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

.nav-toggle .icon-close {
  display: none;
}

.nav-toggle[aria-expanded="true"] .icon-open {
  display: none;
}

.nav-toggle[aria-expanded="true"] .icon-close {
  display: block;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: 'Do Hyeon', sans-serif;
  font-size: 1rem;
  letter-spacing: 0.01em;
  padding: 10px 22px;
  border-radius: 13px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s var(--sdc-ease), background 0.25s var(--sdc-ease), box-shadow 0.25s var(--sdc-ease), color 0.2s var(--sdc-ease);
  text-align: center;
  line-height: 1.2;
  white-space: nowrap;
}

.btn svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.btn-primary {
  background: var(--sdc-accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--sdc-accent-deep);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--sdc-shadow-hover);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-ghost {
  background: transparent;
  color: var(--sdc-ink);
  border-color: var(--sdc-line);
}

.btn-ghost:hover {
  background: var(--sdc-surface);
  color: var(--sdc-accent-deep);
  border-color: var(--sdc-accent);
  transform: translateY(-2px);
}

.btn-ghost:active {
  transform: scale(0.98);
}

.btn-light {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.34);
}

.btn-light:hover {
  background: rgba(255, 255, 255, 0.24);
  color: #fff;
  transform: translateY(-2px);
}

.btn-light:active {
  transform: scale(0.98);
}

.hero {
  padding: 34px 0 22px;
}

.hero-bento {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: minmax(96px, auto);
  gap: 16px;
}

.hero-photo {
  grid-column: span 8;
  grid-row: span 3;
  position: relative;
  border-radius: var(--sdc-radius-lg);
  overflow: hidden;
  background-color: var(--sdc-hero-fallback);
  background-image: linear-gradient(140deg, rgba(20, 34, 58, 0.82) 0%, rgba(37, 99, 168, 0.62) 62%, rgba(28, 75, 131, 0.55) 100%), url('../img/home-hero.jpg');
  background-size: cover;
  background-position: center;
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 40px;
  min-height: 420px;
}

.hero-photo .hero-eyebrow {
  font-family: 'Roboto Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #cfe0f3;
  margin-bottom: 16px;
}

.hero-photo h1 {
  color: #fff;
  font-size: clamp(2rem, 5.4vw, 3.3rem);
  line-height: 1.16;
  margin-bottom: 16px;
  max-width: 15ch;
}

.hero-photo p {
  color: #e6edf6;
  font-size: 1.08rem;
  max-width: 46ch;
  margin-bottom: 26px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-tile {
  border-radius: var(--sdc-radius);
  padding: 22px;
  background: var(--sdc-surface);
  box-shadow: var(--sdc-shadow);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
  transition: transform 0.3s var(--sdc-ease), box-shadow 0.3s var(--sdc-ease);
}

.hero-tile:hover {
  transform: translateY(-4px);
  box-shadow: var(--sdc-shadow-hover);
}

.hero-tile-a {
  grid-column: span 4;
  grid-row: span 1;
}

.hero-tile-b {
  grid-column: span 4;
  grid-row: span 1;
}

.hero-tile-c {
  grid-column: span 4;
  grid-row: span 1;
}

.hero-tile .tile-tag {
  align-self: flex-start;
  font-family: 'Roboto Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
}

.hero-tile h3 {
  font-size: 1.12rem;
}

.hero-tile p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--sdc-muted);
  line-height: 1.55;
}

.hero-figure {
  font-family: 'Roboto Mono', monospace;
  font-size: 1.5rem;
  color: var(--sdc-accent-deep);
}

.hero-figure span {
  display: block;
  font-family: 'Gowun Dodum', sans-serif;
  font-size: 0.78rem;
  color: var(--sdc-muted);
  margin-top: 2px;
}

.tag-blue { background: var(--sdc-tag-blue); color: var(--sdc-tag-blue-ink); }
.tag-sand { background: var(--sdc-tag-sand); color: var(--sdc-tag-sand-ink); }
.tag-sage { background: var(--sdc-tag-sage); color: var(--sdc-tag-sage-ink); }
.tag-slate { background: var(--sdc-tag-slate); color: var(--sdc-tag-slate-ink); }
.tag-rose { background: var(--sdc-tag-rose); color: var(--sdc-tag-rose-ink); }

.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
}

.about-copy h2 {
  font-size: clamp(1.7rem, 4.2vw, 2.4rem);
  margin-bottom: 16px;
}

.about-copy p {
  font-size: 1.04rem;
}

.about-points {
  display: grid;
  gap: 14px;
  margin-top: 22px;
  padding: 0;
  list-style: none;
}

.about-points li {
  display: flex;
  gap: 13px;
  align-items: flex-start;
  background: var(--sdc-surface);
  padding: 16px 18px;
  border-radius: var(--sdc-radius-sm);
  box-shadow: var(--sdc-shadow);
}

.about-points svg {
  width: 22px;
  height: 22px;
  color: var(--sdc-accent);
  flex: 0 0 auto;
  margin-top: 2px;
}

.about-points strong {
  display: block;
  font-family: 'Do Hyeon', sans-serif;
  font-weight: 400;
  color: var(--sdc-ink);
  margin-bottom: 2px;
}

.about-points span {
  font-size: 0.94rem;
  color: var(--sdc-muted);
}

.about-figure {
  position: relative;
  border-radius: var(--sdc-radius-lg);
  overflow: hidden;
  box-shadow: var(--sdc-shadow);
  background-color: var(--sdc-surface-2);
  min-height: 340px;
}

.about-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 340px;
}

.pillars {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}

.pillar {
  background: var(--sdc-surface);
  border-radius: var(--sdc-radius);
  padding: 26px 24px;
  box-shadow: var(--sdc-shadow);
  transition: transform 0.3s var(--sdc-ease), box-shadow 0.3s var(--sdc-ease);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pillar:hover {
  transform: translateY(-5px);
  box-shadow: var(--sdc-shadow-hover);
}

.pillar-lg { grid-column: span 6; }
.pillar-sm { grid-column: span 3; }
.pillar-md { grid-column: span 4; }

.pillar-icon {
  width: 46px;
  height: 46px;
  border-radius: 13px;
  background: var(--sdc-accent-soft);
  color: var(--sdc-accent-deep);
  display: grid;
  place-items: center;
}

.pillar-icon svg {
  width: 24px;
  height: 24px;
}

.pillar h3 {
  font-size: 1.2rem;
}

.pillar p {
  margin: 0;
  font-size: 0.96rem;
  color: var(--sdc-muted);
}

.pillar .tile-tag {
  align-self: flex-start;
  font-family: 'Roboto Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
}

.masonry {
  columns: 3 300px;
  column-gap: 20px;
}

.card {
  break-inside: avoid;
  margin-bottom: 20px;
  background: var(--sdc-surface);
  border-radius: var(--sdc-radius);
  overflow: hidden;
  box-shadow: var(--sdc-shadow);
  transition: transform 0.3s var(--sdc-ease), box-shadow 0.3s var(--sdc-ease);
  display: block;
  color: var(--sdc-ink);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--sdc-shadow-hover);
  color: var(--sdc-ink);
}

.card:active {
  transform: scale(0.98);
}

.card-media {
  position: relative;
  overflow: hidden;
  background-color: var(--sdc-surface-2);
}

.card-media img {
  width: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--sdc-ease);
}

.card:hover .card-media img {
  transform: scale(1.05);
}

.card-media.h-tall img { aspect-ratio: 3 / 4; }
.card-media.h-mid img { aspect-ratio: 4 / 3; }
.card-media.h-wide img { aspect-ratio: 16 / 10; }

.card-body {
  padding: 20px 22px 24px;
}

.card-tag {
  display: inline-block;
  font-family: 'Roboto Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
}

.card-body h3 {
  font-size: 1.24rem;
  margin-bottom: 9px;
  line-height: 1.3;
}

.card-body p {
  font-size: 0.95rem;
  color: var(--sdc-muted);
  margin-bottom: 14px;
}

.card-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'Do Hyeon', sans-serif;
  font-size: 0.92rem;
  color: var(--sdc-accent);
}

.card-more svg {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  transition: transform 0.25s var(--sdc-ease);
}

.card:hover .card-more svg {
  transform: translateX(4px);
}

.card-date {
  font-family: 'Roboto Mono', monospace;
  font-size: 0.78rem;
  color: var(--sdc-muted);
  margin-top: 12px;
}

.faq {
  display: grid;
  gap: 14px;
  max-width: 820px;
}

.faq-item {
  background: var(--sdc-surface);
  border: 1px solid var(--sdc-line);
  border-radius: var(--sdc-radius-sm);
  overflow: hidden;
  transition: box-shadow 0.25s var(--sdc-ease);
}

.faq-item[open] {
  box-shadow: var(--sdc-shadow);
  border-color: var(--sdc-accent-soft);
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 20px 22px;
  font-family: 'Do Hyeon', sans-serif;
  font-size: 1.08rem;
  color: var(--sdc-ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary .chev {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  color: var(--sdc-accent);
  transition: transform 0.3s var(--sdc-ease);
}

.faq-item[open] summary .chev {
  transform: rotate(180deg);
}

.faq-item .faq-body {
  padding: 0 22px 22px;
}

.faq-item .faq-body p {
  margin: 0;
  color: var(--sdc-ink-soft);
  font-size: 0.98rem;
}

.mission {
  background: linear-gradient(135deg, var(--sdc-accent-deep) 0%, var(--sdc-accent) 100%);
  border-radius: var(--sdc-radius-lg);
  padding: 52px 46px;
  color: #fff;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 34px;
  align-items: center;
}

.mission h2 {
  color: #fff;
  font-size: clamp(1.7rem, 4vw, 2.3rem);
  margin-bottom: 14px;
}

.mission p {
  color: #e6edf6;
  margin: 0;
}

.mission-side {
  display: grid;
  gap: 12px;
}

.mission-side div {
  background: rgba(255, 255, 255, 0.12);
  border-radius: var(--sdc-radius-sm);
  padding: 16px 18px;
}

.mission-side strong {
  font-family: 'Do Hyeon', sans-serif;
  font-weight: 400;
  display: block;
  margin-bottom: 3px;
}

.mission-side span {
  font-size: 0.9rem;
  color: #d5e1f0;
}

.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.review-card {
  background: var(--sdc-surface);
  border-radius: var(--sdc-radius);
  padding: 26px 24px;
  box-shadow: var(--sdc-shadow);
  border-top: 3px solid var(--sdc-accent);
}

.review-card h3 {
  font-size: 1.14rem;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.review-card h3 svg {
  width: 22px;
  height: 22px;
  color: var(--sdc-accent);
}

.review-card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--sdc-muted);
}

.closing {
  text-align: center;
  background: var(--sdc-surface);
  border-radius: var(--sdc-radius-lg);
  padding: 58px 30px;
  box-shadow: var(--sdc-shadow);
}

.closing h2 {
  font-size: clamp(1.8rem, 4.4vw, 2.5rem);
  margin-bottom: 14px;
}

.closing p {
  max-width: 52ch;
  margin: 0 auto 26px;
  color: var(--sdc-muted);
  font-size: 1.05rem;
}

.closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.page-hero {
  background: var(--sdc-surface);
  border-bottom: 1px solid var(--sdc-line);
  padding: 54px 0 46px;
}

.page-hero .eyebrow {
  margin-bottom: 14px;
}

.page-hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: 14px;
  max-width: 20ch;
}

.page-hero p {
  max-width: 60ch;
  color: var(--sdc-muted);
  font-size: 1.08rem;
  margin: 0;
}

.breadcrumb {
  font-family: 'Roboto Mono', monospace;
  font-size: 0.8rem;
  color: var(--sdc-muted);
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

.breadcrumb a {
  color: var(--sdc-muted);
}

.breadcrumb a:hover {
  color: var(--sdc-accent);
}

.breadcrumb span {
  margin: 0 7px;
  opacity: 0.6;
}

.list-grid {
  columns: 3 300px;
  column-gap: 20px;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 48px;
  align-items: start;
}

.article {
  max-width: 100%;
}

.article-lead {
  font-size: 1.18rem;
  color: var(--sdc-ink);
  line-height: 1.7;
  margin-bottom: 30px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--sdc-line);
}

.article h2 {
  font-size: 1.6rem;
  margin: 40px 0 14px;
}

.article h3 {
  font-size: 1.24rem;
  margin: 28px 0 10px;
  color: var(--sdc-accent-deep);
}

.article p {
  font-size: 1.05rem;
  line-height: 1.8;
}

.article ul, .article ol {
  padding-left: 1.3em;
  margin: 0 0 1.3em;
}

.article li {
  margin-bottom: 9px;
  line-height: 1.75;
  color: var(--sdc-ink-soft);
}

.article figure {
  margin: 26px 0;
  border-radius: var(--sdc-radius);
  overflow: hidden;
  box-shadow: var(--sdc-shadow);
  background: var(--sdc-surface-2);
}

.article figure img {
  width: 100%;
}

.article figcaption {
  font-size: 0.86rem;
  color: var(--sdc-muted);
  padding: 10px 16px;
  background: var(--sdc-surface);
  font-family: 'Roboto Mono', monospace;
}

.callout {
  background: var(--sdc-accent-soft);
  border-left: 4px solid var(--sdc-accent);
  border-radius: 0 var(--sdc-radius-sm) var(--sdc-radius-sm) 0;
  padding: 18px 22px;
  margin: 26px 0;
}

.callout p {
  margin: 0;
  color: var(--sdc-accent-deep);
  font-size: 0.98rem;
}

.callout strong {
  font-family: 'Do Hyeon', sans-serif;
  font-weight: 400;
}

.checklist {
  list-style: none;
  padding: 0;
  margin: 22px 0;
  display: grid;
  gap: 12px;
}

.checklist li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--sdc-surface);
  padding: 15px 18px;
  border-radius: var(--sdc-radius-sm);
  box-shadow: var(--sdc-shadow);
}

.checklist svg {
  width: 21px;
  height: 21px;
  color: var(--sdc-accent);
  flex: 0 0 auto;
  margin-top: 2px;
}

.article-aside {
  position: sticky;
  top: 90px;
  display: grid;
  gap: 20px;
}

.aside-box {
  background: var(--sdc-surface);
  border: 1px solid var(--sdc-line);
  border-radius: var(--sdc-radius);
  padding: 20px 22px;
}

.aside-box h4 {
  font-size: 1rem;
  margin-bottom: 12px;
  color: var(--sdc-accent-deep);
}

.aside-box .meta-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.86rem;
  padding: 7px 0;
  border-bottom: 1px dashed var(--sdc-line);
  color: var(--sdc-muted);
}

.aside-box .meta-row:last-child {
  border-bottom: none;
}

.aside-box .meta-row .mono {
  color: var(--sdc-ink);
}

.aside-box ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
}

.aside-box ul a {
  font-size: 0.92rem;
  color: var(--sdc-ink-soft);
}

.aside-box ul a:hover {
  color: var(--sdc-accent);
}

.article-byline {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'Roboto Mono', monospace;
  font-size: 0.86rem;
  color: var(--sdc-muted);
  margin-top: 12px;
}

.article-byline .dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--sdc-accent);
}

.prevnext {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 46px;
  padding-top: 30px;
  border-top: 1px solid var(--sdc-line);
}

.prevnext a {
  display: block;
  background: var(--sdc-surface);
  border: 1px solid var(--sdc-line);
  border-radius: var(--sdc-radius-sm);
  padding: 18px 20px;
  transition: transform 0.25s var(--sdc-ease), box-shadow 0.25s var(--sdc-ease), border-color 0.25s var(--sdc-ease);
}

.prevnext a:hover {
  transform: translateY(-3px);
  box-shadow: var(--sdc-shadow);
  border-color: var(--sdc-accent);
}

.prevnext .dir {
  font-family: 'Roboto Mono', monospace;
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sdc-muted);
  margin-bottom: 6px;
  display: block;
}

.prevnext .pn-title {
  font-family: 'Do Hyeon', sans-serif;
  color: var(--sdc-ink);
  font-size: 1.02rem;
}

.prevnext .next {
  text-align: right;
}

.prevnext .single {
  grid-column: 1 / -1;
  text-align: center;
}

.contact-map {
  border-radius: var(--sdc-radius-lg);
  overflow: hidden;
  box-shadow: var(--sdc-shadow);
  border: 1px solid var(--sdc-line);
}

.map-frame {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 42%;
  min-height: 320px;
}

.map-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.map-open {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  font-family: 'Do Hyeon', sans-serif;
  font-size: 0.95rem;
}

.map-open svg {
  width: 17px;
  height: 17px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 34px;
  margin-top: 40px;
  align-items: start;
}

.contact-grid > * {
  min-width: 0;
}

.contact-info {
  background: var(--sdc-surface);
  border-radius: var(--sdc-radius);
  padding: 30px 28px;
  box-shadow: var(--sdc-shadow);
}

.contact-info h2 {
  font-size: 1.4rem;
  margin-bottom: 8px;
}

.contact-info .lead {
  color: var(--sdc-muted);
  font-size: 0.98rem;
  margin-bottom: 22px;
}

.contact-line {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 15px 0;
  border-bottom: 1px solid var(--sdc-line);
}

.contact-line > div {
  min-width: 0;
}

.contact-line:last-of-type {
  border-bottom: none;
}

.contact-line .ci {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--sdc-accent-soft);
  color: var(--sdc-accent-deep);
  display: grid;
  place-items: center;
  flex: 0 0 auto;
}

.contact-line .ci svg {
  width: 21px;
  height: 21px;
}

.contact-line .cl-label {
  font-family: 'Roboto Mono', monospace;
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sdc-muted);
  margin-bottom: 2px;
}

.contact-line .cl-value {
  color: var(--sdc-ink);
  font-size: 1rem;
  overflow-wrap: anywhere;
}

.contact-line a.cl-value:hover {
  color: var(--sdc-accent);
}

.form-card {
  background: var(--sdc-surface);
  border-radius: var(--sdc-radius);
  padding: 30px 28px;
  box-shadow: var(--sdc-shadow);
}

.form-card h2 {
  font-size: 1.4rem;
  margin-bottom: 8px;
}

.form-card > p {
  color: var(--sdc-muted);
  font-size: 0.98rem;
  margin-bottom: 22px;
}

.field {
  margin-bottom: 18px;
}

.field label {
  display: block;
  font-family: 'Do Hyeon', sans-serif;
  font-size: 0.94rem;
  margin-bottom: 7px;
  color: var(--sdc-ink);
}

.field label .opt {
  font-family: 'Roboto Mono', monospace;
  font-size: 0.72rem;
  color: var(--sdc-muted);
  margin-left: 6px;
}

.field input,
.field textarea {
  width: 100%;
  font-family: 'Gowun Dodum', sans-serif;
  font-size: 1rem;
  padding: 13px 15px;
  border: 1px solid var(--sdc-line);
  border-radius: var(--sdc-radius-sm);
  background: var(--sdc-bg);
  color: var(--sdc-ink);
  transition: border-color 0.2s var(--sdc-ease), background 0.2s var(--sdc-ease);
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--sdc-accent);
  background: #fff;
}

.field textarea {
  resize: vertical;
  min-height: 130px;
}

.field .err {
  display: none;
  color: #b03a2e;
  font-size: 0.84rem;
  margin-top: 6px;
}

.field.invalid input,
.field.invalid textarea {
  border-color: #b03a2e;
}

.field.invalid .err {
  display: block;
}

.form-note {
  font-size: 0.84rem;
  color: var(--sdc-muted);
  margin-top: 14px;
}

.legal {
  max-width: 800px;
}

.legal-toc {
  background: var(--sdc-surface);
  border: 1px solid var(--sdc-line);
  border-radius: var(--sdc-radius);
  padding: 22px 26px;
  margin-bottom: 34px;
}

.legal-toc h2 {
  font-size: 1.02rem;
  margin-bottom: 12px;
  color: var(--sdc-accent-deep);
}

.legal-toc ol {
  margin: 0;
  padding-left: 1.3em;
  columns: 2 200px;
}

.legal-toc li {
  margin-bottom: 6px;
  font-size: 0.94rem;
}

.legal h2 {
  font-size: 1.44rem;
  margin: 40px 0 12px;
  padding-top: 10px;
}

.legal h2:first-of-type {
  margin-top: 0;
}

.legal h3 {
  font-size: 1.14rem;
  margin: 24px 0 8px;
  color: var(--sdc-accent-deep);
}

.legal p, .legal li {
  font-size: 1.02rem;
  line-height: 1.78;
}

.legal ul, .legal ol {
  padding-left: 1.35em;
  margin-bottom: 1.2em;
}

.legal li {
  margin-bottom: 8px;
}

.legal .updated {
  font-family: 'Roboto Mono', monospace;
  font-size: 0.86rem;
  color: var(--sdc-muted);
  background: var(--sdc-surface-2);
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 8px;
}

.about-section {
  display: grid;
  gap: 44px;
}

.about-lead-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.value-card {
  background: var(--sdc-surface);
  border-radius: var(--sdc-radius);
  padding: 26px 24px;
  box-shadow: var(--sdc-shadow);
}

.value-card .pillar-icon {
  margin-bottom: 14px;
}

.value-card h3 {
  font-size: 1.16rem;
  margin-bottom: 8px;
}

.value-card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--sdc-muted);
}

.boundary-box {
  background: var(--sdc-surface);
  border: 1px solid var(--sdc-line);
  border-left: 4px solid var(--sdc-accent);
  border-radius: var(--sdc-radius);
  padding: 28px 30px;
}

.boundary-box h2 {
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.boundary-box ul {
  margin: 0;
  padding-left: 1.3em;
}

.boundary-box li {
  margin-bottom: 8px;
  color: var(--sdc-ink-soft);
}

.site-footer {
  background: var(--sdc-ink);
  color: #c9ccd6;
  padding: 30px 0;
}

.footer-band {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px 30px;
  padding-bottom: 22px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Do Hyeon', sans-serif;
  font-size: 1.06rem;
  color: #fff;
}

.footer-brand .brand-mark {
  width: 34px;
  height: 34px;
}

.footer-contact {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-left: auto;
  font-size: 0.9rem;
}

.footer-contact a,
.footer-contact span {
  color: #c9ccd6;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.footer-contact a:hover {
  color: #fff;
}

.footer-contact svg {
  width: 16px;
  height: 16px;
  color: #7fa6d6;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-links a,
.footer-links button {
  color: #c9ccd6;
  font-size: 0.9rem;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  font-family: 'Gowun Dodum', sans-serif;
}

.footer-links a:hover,
.footer-links button:hover {
  color: #fff;
}

.footer-copy {
  padding-top: 18px;
  font-size: 0.84rem;
  color: #8a8f9c;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
}

.cookie-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 120;
  background: var(--sdc-surface);
  border-top: 1px solid var(--sdc-line);
  box-shadow: 0 -8px 30px rgba(28, 30, 36, 0.1);
  max-height: 100dvh;
  overflow-y: auto;
  padding: 16px 0;
  transform: translateY(120%);
  transition: transform 0.4s var(--sdc-ease);
}

.cookie-bar.show {
  transform: translateY(0);
}

.cookie-inner {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.cookie-text {
  flex: 1 1 340px;
  font-size: 0.92rem;
  color: var(--sdc-ink-soft);
  margin: 0;
}

.cookie-text a {
  text-decoration: underline;
}

.cookie-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.cookie-actions .btn {
  padding: 10px 18px;
  font-size: 0.92rem;
}

.cookie-panel {
  position: fixed;
  inset: 0;
  z-index: 130;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(20, 22, 28, 0.55);
}

.cookie-panel.show {
  display: flex;
}

.legal [data-cookie="manage"] {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--sdc-accent);
  font: inherit;
  text-decoration: underline;
  cursor: pointer;
}

.cookie-dialog {
  background: var(--sdc-surface);
  border-radius: var(--sdc-radius-lg);
  max-width: 560px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 30px 30px 26px;
  box-shadow: var(--sdc-shadow-hover);
}

.cookie-dialog h2 {
  font-size: 1.4rem;
  margin-bottom: 8px;
}

.cookie-dialog > p {
  color: var(--sdc-muted);
  font-size: 0.94rem;
  margin-bottom: 20px;
}

.cookie-cat {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 16px 0;
  border-top: 1px solid var(--sdc-line);
}

.cookie-cat .cc-body {
  flex: 1;
}

.cookie-cat h3 {
  font-size: 1.02rem;
  margin-bottom: 4px;
}

.cookie-cat p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--sdc-muted);
}

.toggle {
  position: relative;
  width: 46px;
  height: 26px;
  border-radius: 999px;
  background: var(--sdc-line);
  border: none;
  cursor: pointer;
  flex: 0 0 auto;
  transition: background 0.25s var(--sdc-ease);
  margin-top: 3px;
}

.toggle::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  transition: transform 0.25s var(--sdc-ease);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.toggle[aria-pressed="true"] {
  background: var(--sdc-accent);
}

.toggle[aria-pressed="true"]::after {
  transform: translateX(20px);
}

.toggle[aria-disabled="true"] {
  background: var(--sdc-accent);
  opacity: 0.55;
  cursor: not-allowed;
}

.toggle-locked {
  font-family: 'Roboto Mono', monospace;
  font-size: 0.7rem;
  color: var(--sdc-muted);
  flex: 0 0 auto;
  margin-top: 7px;
}

.cookie-dialog-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--sdc-line);
}

.cookie-dialog-actions .btn {
  flex: 1;
  min-width: 130px;
  padding: 11px 16px;
  font-size: 0.92rem;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 140;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(20, 22, 28, 0.55);
}

.modal.show {
  display: flex;
}

.modal-box {
  background: var(--sdc-surface);
  border-radius: var(--sdc-radius-lg);
  max-width: 420px;
  width: 100%;
  padding: 34px 30px 30px;
  text-align: center;
  box-shadow: var(--sdc-shadow-hover);
}

.modal-box .modal-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--sdc-accent-soft);
  color: var(--sdc-accent-deep);
  display: grid;
  place-items: center;
  margin: 0 auto 18px;
}

.modal-box .modal-icon svg {
  width: 30px;
  height: 30px;
}

.modal-box h2 {
  font-size: 1.34rem;
  margin-bottom: 10px;
}

.modal-box p {
  color: var(--sdc-muted);
  font-size: 0.98rem;
  margin-bottom: 22px;
}

.cascade {
  opacity: 0;
  transform: translateY(16px);
  animation: rise 0.7s var(--sdc-ease) forwards;
}

.d1 { animation-delay: 0.05s; }
.d2 { animation-delay: 0.13s; }
.d3 { animation-delay: 0.21s; }
.d4 { animation-delay: 0.29s; }
.d5 { animation-delay: 0.37s; }
.d6 { animation-delay: 0.45s; }

@keyframes rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 960px) {
  .about-grid,
  .about-lead-grid,
  .contact-grid,
  .mission {
    grid-template-columns: 1fr;
  }

  .article-layout {
    grid-template-columns: 1fr;
  }

  .article-aside {
    position: static;
    top: auto;
  }

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

  .hero-photo {
    grid-column: 1 / -1;
    grid-row: auto;
  }

  .hero-tile-a,
  .hero-tile-b,
  .hero-tile-c {
    grid-column: span 6;
  }

  .pillar-lg,
  .pillar-md,
  .pillar-sm {
    grid-column: span 6;
  }
}

@media (max-width: 768px) {
  body {
    font-size: 16px;
  }

  .section {
    padding: 48px 0;
  }

  .nav-center {
    position: fixed;
    top: var(--sdc-header-offset, 68px);
    left: 0;
    right: 0;
    height: calc(100dvh - var(--sdc-header-offset, 68px));
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: var(--sdc-surface);
    border-bottom: 1px solid var(--sdc-line);
    padding: 14px 20px 20px;
    box-shadow: var(--sdc-shadow);
    overflow-y: auto;
    display: none;
  }

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

  body.menu-open {
    overflow: hidden;
  }

  body.menu-open .site-header {
    z-index: 200;
  }

  body.menu-open .cookie-bar {
    visibility: hidden;
    pointer-events: none;
  }

  .nav-center a {
    padding: 13px 14px;
    font-size: 1.02rem;
  }

  .nav-cta {
    justify-content: center;
    margin-top: 6px;
  }

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

  .hero-bento {
    grid-template-columns: 1fr;
  }

  .hero-photo {
    grid-column: 1 / -1;
    padding: 30px 24px;
    min-height: 360px;
  }

  .hero-tile-a,
  .hero-tile-b,
  .hero-tile-c {
    grid-column: 1 / -1;
  }

  .hero-actions .btn {
    flex: 1 1 100%;
    justify-content: center;
  }

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

  .pillar-lg,
  .pillar-md,
  .pillar-sm {
    grid-column: 1 / -1;
  }

  .masonry,
  .list-grid {
    columns: 1;
  }

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

  .mission {
    padding: 36px 26px;
  }

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

  .prevnext .next {
    text-align: left;
  }

  .legal-toc ol {
    columns: 1;
  }

  .footer-contact {
    margin-left: 0;
    width: 100%;
  }

  .cookie-dialog-actions {
    flex-direction: column;
  }

  .map-frame {
    padding-bottom: 0;
    height: 300px;
    min-height: 280px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .cascade {
    opacity: 1;
    transform: none;
  }
}