:root {
  --ink: #16211d;
  --muted: #64716c;
  --line: #dfe6e1;
  --paper: #fbfcfa;
  --soft: #eef5f1;
  --mint: #1f8f72;
  --mint-dark: #126650;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Malgun Gothic", "Apple SD Gothic Neo", "Noto Sans KR", Arial, sans-serif;
  line-height: 1.6;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(22, 33, 29, .08);
  background: rgba(251, 252, 250, .94);
  backdrop-filter: blur(14px);
}

.nav {
  width: min(1160px, calc(100% - 40px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 22px;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--white);
  color: var(--white);
  display: inline-grid;
  place-items: center;
  font-size: 18px;
  font-weight: 900;
  overflow: hidden;
  border: 1px solid rgba(22, 33, 29, .08);
}

.brand-mark img {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
}

.nav-links a:hover {
  color: var(--mint-dark);
}

.nav-cta {
  padding: 10px 16px;
  border: 1px solid var(--mint);
  border-radius: 8px;
  color: var(--mint-dark);
  background: var(--white);
}

.hero {
  position: relative;
  min-height: 72vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-image: url("../images/aboutYurit.png");
  background-size: cover;
  background-position: center top;
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(12, 21, 17, .62);
}

.hero-inner,
.section,
.page-hero-inner,
.footer-inner {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.hero-inner {
  padding: 92px 0 86px;
  color: var(--white);
}

.eyebrow {
  display: inline-flex;
  padding: 7px 12px;
  border: 1px solid rgba(255, 255, 255, .28);
  border-radius: 8px;
  background: rgba(255, 255, 255, .12);
  font-size: 14px;
  font-weight: 800;
}

.hero h1,
.page-hero h1 {
  max-width: 780px;
  margin: 24px 0 18px;
  font-size: clamp(42px, 7vw, 78px);
  line-height: 1.05;
  letter-spacing: 0;
}

.two-line-title span {
  display: block;
  white-space: nowrap;
}

.page-hero h1.two-line-title {
  font-size: clamp(30px, 5.8vw, 68px);
  line-height: 1.12;
}

.one-line-title {
  white-space: nowrap;
}

.hero-copy,
.page-hero-copy {
  max-width: 680px;
  margin: 0 0 34px;
  color: rgba(255, 255, 255, .86);
  font-size: 20px;
  word-break: keep-all;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-size: 16px;
  font-weight: 800;
}

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

.button-secondary {
  border-color: rgba(255, 255, 255, .36);
  background: rgba(255, 255, 255, .12);
  color: var(--white);
}

.button-outline {
  border-color: var(--mint);
  color: var(--mint-dark);
  background: var(--white);
}

.page-hero {
  background: #17241f;
  color: var(--white);
}

.page-hero-inner {
  padding: 74px 0 64px;
}

.section {
  padding: 76px 0;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 30px;
}

.section h2,
.product-copy h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.18;
  letter-spacing: 0;
}

.section-lead {
  max-width: 560px;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  word-break: keep-all;
}

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

.trust-grid,
.feature-grid,
.board-grid,
.quick-links,
.download-grid,
.guide-grid {
  display: grid;
  gap: 16px;
}

.trust-grid {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
}

.trust-item,
.feature-card,
.board-card,
.quick-link,
.download-card,
.guide-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.trust-item {
  min-height: 108px;
  padding: 24px;
  border: 0;
}

.trust-item strong {
  display: block;
  font-size: 22px;
  line-height: 1.2;
}

.trust-item span,
.quick-link span,
.download-card p,
.guide-card p,
.feature-card p,
.product-copy p {
  color: var(--muted);
}

.trust-item span {
  display: block;
  margin-top: 8px;
  font-size: 14px;
}

.feature-grid {
  grid-template-columns: repeat(3, 1fr);
}

.feature-card,
.download-card,
.guide-card {
  min-height: 190px;
  padding: 24px;
}

.feature-card b,
.guide-card b {
  display: inline-grid;
  width: 38px;
  height: 38px;
  margin-bottom: 18px;
  place-items: center;
  border-radius: 8px;
  background: var(--soft);
  color: var(--mint-dark);
  font-size: 18px;
}

.feature-card h3,
.board-card h3,
.product-copy h3,
.download-card h3,
.guide-card h3 {
  margin: 0 0 10px;
  font-size: 20px;
  line-height: 1.35;
}

.feature-card p,
.product-copy p,
.download-card p,
.guide-card p {
  margin: 0;
  font-size: 15px;
  word-break: keep-all;
}

.product-band {
  background: #eef5f1;
  border-block: 1px solid var(--line);
}

.product-layout {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  padding: 84px 0;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 46px;
  align-items: center;
}

.product-shot {
  margin: 0;
  border: 1px solid rgba(22, 33, 29, .14);
  border-radius: 8px;
  overflow: hidden;
  background: var(--white);
  box-shadow: 0 24px 60px rgba(22, 33, 29, .16);
}

.product-shot + .product-shot {
  margin-top: 18px;
}

.product-shot.flush {
  box-shadow: 0 16px 40px rgba(22, 33, 29, .1);
}

.screen-thumbs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.screen-thumb {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  color: var(--ink);
  font-weight: 800;
  text-align: center;
}

.screen-thumb img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid rgba(22, 33, 29, .1);
}

.product-copy {
  display: grid;
  gap: 16px;
}

.mini-list {
  display: grid;
  gap: 10px;
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
}

.mini-list li {
  padding: 14px 16px;
  border-left: 4px solid var(--mint);
  background: var(--white);
  border-radius: 8px;
  font-weight: 700;
}

.board-grid {
  grid-template-columns: repeat(3, 1fr);
}

.board-card {
  min-height: 230px;
  padding: 22px;
  overflow: hidden;
}

.board-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.more-link {
  color: var(--mint-dark);
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.board-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.board-table tr {
  border-top: 1px solid #edf1ee;
}

.board-table td {
  height: 34px;
  padding: 7px 0;
  color: var(--muted);
  vertical-align: middle;
}

.board-table td:first-child {
  width: 18px;
}

.board-table img {
  max-width: 8px;
  height: auto;
}

.board-table a {
  color: var(--ink);
}

.quick-links {
  grid-template-columns: repeat(4, 1fr);
}

.quick-link {
  min-height: 116px;
  padding: 20px;
}

.quick-link strong {
  display: block;
  font-size: 18px;
  margin-bottom: 7px;
}

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

.content-panel {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.subpage-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.side-menu {
  position: sticky;
  top: 96px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.side-menu h2 {
  margin: 0 0 14px;
  font-size: 20px;
  line-height: 1.3;
}

.side-menu nav {
  display: grid;
  gap: 8px;
}

.side-menu a {
  display: flex;
  align-items: center;
  min-height: 42px;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 800;
}

.side-menu a:hover,
.side-menu a.active {
  background: var(--soft);
  color: var(--mint-dark);
}

.legacy-frame {
  width: 100%;
  min-height: 720px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.modern-board {
  padding: 8px 0;
  overflow-x: auto;
}

.modern-board table {
  max-width: 100%;
}

.modern-board img {
  display: inline;
}

.modern-list-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 4px 0 24px;
  padding: 0 6px;
}

.modern-list-head h2 {
  margin: 0;
  font-size: 24px;
}

.modern-list-head span {
  color: var(--muted);
  font-size: 14px;
}

.modern-list {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.modern-list th,
.modern-list td {
  padding: 17px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.modern-list th {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.modern-list td:first-child,
.modern-list td:nth-child(5) {
  width: 84px;
  color: var(--muted);
}

.modern-list td:nth-child(3),
.modern-list td:nth-child(4) {
  width: 138px;
  color: var(--muted);
}

.modern-list a {
  color: var(--ink);
  font-weight: 700;
}

.modern-post-head {
  padding: 18px 24px 30px;
  border-bottom: 1px solid var(--line);
}

.modern-post-head h2 {
  margin: 0 0 8px;
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.25;
}

.modern-post-head p {
  margin: 0;
  color: var(--muted);
}

.modern-post-body {
  padding: 42px 26px 48px;
  color: #26322e;
  font-size: 16px;
  line-height: 1.8;
  word-break: keep-all;
}

.modern-post .button {
  margin-left: 24px;
  margin-bottom: 12px;
}

.legacy-content {
  overflow-x: auto;
}

.legacy-content table {
  max-width: 100%;
}

.legacy-content img {
  display: inline;
  max-width: 100%;
  height: auto;
}

.legacy-content select,
.legacy-content input,
.legacy-content textarea {
  font-family: "Malgun Gothic", "Apple SD Gothic Neo", "Noto Sans KR", Arial, sans-serif;
}

.modern-form {
  display: grid;
  gap: 16px;
  max-width: 520px;
  margin-top: 24px;
}

.modern-form label {
  display: grid;
  gap: 8px;
  color: var(--ink);
  font-weight: 800;
}

.modern-form input {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  color: var(--ink);
  font: inherit;
}

.modern-form input:focus {
  outline: 2px solid rgba(31, 143, 114, .22);
  border-color: var(--mint);
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #17241f;
  color: rgba(255, 255, 255, .78);
}

.footer-inner {
  padding: 34px 0;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  font-size: 14px;
}

.footer-inner strong {
  display: block;
  margin-bottom: 6px;
  color: var(--white);
  font-size: 18px;
}

.footer-contact {
  display: grid;
  gap: 4px;
}

.footer-contact strong span {
  color: var(--white);
  display: inline;
}

.footer-contact strong {
  margin-bottom: 0;
  white-space: nowrap;
}

.footer-contact > span {
  display: block;
}

.footer-inner > div:first-child span {
  display: block;
}

.footer-inner > div:first-child strong {
  margin-bottom: 0;
  white-space: nowrap;
}

.footer-inner > div:first-child {
  display: grid;
  gap: 4px;
}

.footer-links {
  display: flex;
  gap: 14px;
  align-items: center;
}

@media (max-width: 900px) {
  .nav {
    height: auto;
    padding: 16px 0;
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero {
    min-height: 68vh;
  }

  .trust-grid,
  .feature-grid,
  .board-grid,
  .quick-links,
  .product-layout,
  .download-grid,
  .guide-grid,
  .subpage-layout {
    grid-template-columns: 1fr;
  }

  .side-menu {
    position: static;
  }

  .section-head,
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .section,
  .product-layout {
    padding: 58px 0;
  }
}

@media (max-width: 560px) {
  .nav,
  .hero-inner,
  .section,
  .product-layout,
  .footer-inner,
  .trust-grid,
  .page-hero-inner {
    width: min(100% - 28px, 1160px);
  }

  .hero-inner,
  .page-hero-inner {
    padding: 64px 0 58px;
  }

  .hero-copy,
  .page-hero-copy {
    font-size: 17px;
  }

  .button {
    width: 100%;
  }

  .trust-item,
  .feature-card,
  .board-card,
  .quick-link,
  .download-card,
  .guide-card,
  .content-panel {
    padding: 18px;
  }

  .modern-list th,
  .modern-list td {
    padding: 13px 10px;
  }

  .modern-list td:first-child,
  .modern-list td:nth-child(5) {
    width: auto;
  }

  .modern-list td:nth-child(3),
  .modern-list td:nth-child(4) {
    width: auto;
  }

  .modern-post-head,
  .modern-post-body {
    padding-left: 0;
    padding-right: 0;
  }

  .screen-thumbs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

}