:root {
  --paper: #f5f2e9;
  --paper-deep: #ebe6d9;
  --ink: #17231c;
  --ink-soft: #536057;
  --line: rgba(23, 35, 28, 0.18);
  --green: #174d35;
  --mint: #9ad6b2;
  --lime: #d8e95e;
  --white: #fffef9;
  --radius: 28px;
  --shadow: 0 24px 70px rgba(23, 35, 28, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Pretendard", "Noto Sans KR", "Apple SD Gothic Neo", "Segoe UI", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--ink);
  color: white;
  border-radius: 8px;
}

.skip-link:focus {
  top: 16px;
}

.site-header,
main,
footer {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  min-height: 96px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
  font-size: 0.96rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  background: var(--green);
  color: var(--white);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0;
}

nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

nav a {
  position: relative;
  color: var(--ink-soft);
  font-size: 0.88rem;
  font-weight: 500;
  text-decoration: none;
}

nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transition: transform 180ms ease;
}

nav a:hover,
nav a[aria-current="page"] {
  color: var(--ink);
}

nav a:hover::after,
nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.hero {
  min-height: 690px;
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  align-items: center;
  gap: clamp(48px, 8vw, 110px);
  padding: 84px 0 90px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--green);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

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

.hero h1 {
  margin-bottom: 30px;
  font-size: clamp(3.1rem, 7vw, 6.3rem);
  line-height: 1.02;
  letter-spacing: -0.065em;
}

.hero-lede {
  max-width: 590px;
  margin-bottom: 38px;
  color: var(--ink-soft);
  font-size: clamp(1.04rem, 1.8vw, 1.25rem);
  line-height: 1.85;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

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

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

.product-visual {
  position: relative;
  min-height: 510px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: 44px 44px 180px 44px;
  background: var(--green);
  box-shadow: var(--shadow);
}

.product-visual::before {
  content: "";
  position: absolute;
  width: 240px;
  height: 240px;
  right: -40px;
  top: -30px;
  border-radius: 50%;
  background: var(--lime);
  filter: blur(1px);
}

.orbit {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
}

.orbit-one {
  width: 430px;
  height: 430px;
}

.orbit-two {
  width: 310px;
  height: 310px;
}

.focus-card {
  position: relative;
  z-index: 2;
  width: min(310px, 72%);
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 28px;
  background: rgba(255, 254, 249, 0.9);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(12px);
  transform: rotate(-3deg);
}

.focus-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 46px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 6px rgba(23, 77, 53, 0.12);
}

.focus-card p {
  margin-bottom: 4px;
  color: var(--ink-soft);
  font-size: 0.84rem;
}

.focus-card strong {
  display: block;
  margin-bottom: 26px;
  font-size: 3.4rem;
  line-height: 1;
  letter-spacing: -0.07em;
}

.progress-track {
  height: 7px;
  margin-bottom: 20px;
  overflow: hidden;
  border-radius: 99px;
  background: var(--paper-deep);
}

.progress-track span {
  display: block;
  width: 68%;
  height: 100%;
  border-radius: inherit;
  background: var(--green);
}

.focus-card small {
  color: var(--ink-soft);
}

.identity-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.identity-strip div {
  padding: 30px 34px;
  border-right: 1px solid var(--line);
}

.identity-strip div:first-child {
  padding-left: 0;
}

.identity-strip div:last-child {
  border-right: 0;
}

.identity-strip span,
.identity-strip strong {
  display: block;
}

.identity-strip span {
  margin-bottom: 6px;
  color: var(--ink-soft);
  font-size: 0.76rem;
}

.identity-strip strong {
  font-size: 1rem;
}

.product-section,
.about-section {
  padding: 140px 0;
  border-bottom: 1px solid var(--line);
}

.section-heading {
  margin-bottom: 70px;
}

.section-heading h2,
.about-section h2,
.closing h2 {
  margin-bottom: 0;
  font-size: clamp(3.2rem, 8vw, 7.5rem);
  line-height: 0.95;
  letter-spacing: -0.07em;
}

.product-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 90px;
}

.large-copy {
  max-width: 500px;
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  line-height: 1.55;
  letter-spacing: -0.025em;
}

.feature-list {
  border-top: 1px solid var(--line);
}

.feature-list article {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 18px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.feature-number {
  color: var(--green);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.feature-list h3,
.support-grid h2 {
  margin-bottom: 8px;
  font-size: 1.05rem;
}

.feature-list p,
.support-grid p {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.about-section {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 90px;
}

.about-section h2 {
  font-size: clamp(2.5rem, 5.3vw, 5rem);
  line-height: 1.08;
}

.about-copy {
  align-self: end;
  max-width: 520px;
}

.about-copy p {
  color: var(--ink-soft);
  font-size: 1.06rem;
}

.text-link {
  display: inline-flex;
  gap: 8px;
  margin-top: 12px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--ink);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
}

.closing {
  min-height: 600px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
}

.closing h2 {
  font-size: clamp(4rem, 10vw, 9rem);
}

footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 30px 50px;
  align-items: center;
  padding: 42px 0 48px;
  border-top: 1px solid var(--line);
}

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

.footer-brand strong {
  font-size: 0.84rem;
  letter-spacing: 0.14em;
}

.footer-brand p {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 0.75rem;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: var(--ink-soft);
  font-size: 0.78rem;
  text-decoration: none;
}

.copyright {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.72rem;
}

.page-hero {
  max-width: 850px;
  padding: 115px 0 90px;
}

.page-hero h1 {
  margin-bottom: 24px;
  font-size: clamp(3.3rem, 8vw, 7.2rem);
  line-height: 1.03;
  letter-spacing: -0.07em;
}

.page-summary {
  max-width: 680px;
  margin-bottom: 20px;
  color: var(--ink-soft);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}

.updated {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 0.8rem;
}

.legal-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 720px);
  justify-content: space-between;
  gap: 80px;
  padding: 70px 0 140px;
  border-top: 1px solid var(--line);
}

.legal-layout aside {
  height: fit-content;
  position: sticky;
  top: 32px;
  padding: 26px;
  border-radius: 20px;
  background: var(--paper-deep);
}

.legal-layout aside p {
  margin-bottom: 6px;
  color: var(--ink-soft);
  font-size: 0.74rem;
}

.legal-layout aside strong {
  font-size: 0.9rem;
}

.legal-content section {
  padding: 0 0 42px;
}

.legal-content h2 {
  margin-bottom: 16px;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.legal-content p,
.legal-content li {
  color: var(--ink-soft);
  font-size: 0.94rem;
}

.legal-content ul {
  margin: 0 0 20px;
  padding-left: 22px;
}

.legal-content li + li {
  margin-top: 9px;
}

.legal-content a {
  color: var(--green);
  font-weight: 600;
}

.policy-note {
  margin-top: 26px;
  padding: 22px;
  border-left: 3px solid var(--green);
  background: var(--paper-deep);
}

.support-hero {
  max-width: 900px;
}

.contact-panel {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 80px;
  align-items: center;
  padding: 70px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.contact-panel h2 {
  margin-bottom: 14px;
  font-size: 2rem;
}

.contact-panel p {
  color: var(--ink-soft);
}

.email-card {
  position: relative;
  display: block;
  padding: 34px 72px 34px 34px;
  overflow: hidden;
  border-radius: 24px;
  background: var(--green);
  color: var(--white);
  text-decoration: none;
  transition: transform 180ms ease;
}

.email-card:hover {
  transform: translateY(-3px);
}

.email-card span,
.email-card strong {
  display: block;
}

.email-card span {
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.76rem;
}

.email-card strong {
  margin-top: 6px;
  font-size: clamp(1rem, 2.5vw, 1.45rem);
}

.email-card .email-arrow {
  position: absolute;
  right: 32px;
  top: 50%;
  color: var(--lime);
  font-size: 1.8rem;
  transform: translateY(-50%);
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  padding: 110px 0;
}

.support-grid article {
  padding: 0 34px;
  border-right: 1px solid var(--line);
}

.support-grid article:first-child {
  padding-left: 0;
}

.support-grid article:last-child {
  padding-right: 0;
  border-right: 0;
}

.support-grid .feature-number {
  display: block;
  margin-bottom: 42px;
}

.support-grid h2 {
  font-size: 1.2rem;
}

.organization-card {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 80px;
  margin-bottom: 140px;
  padding: 56px;
  border-radius: var(--radius);
  background: var(--paper-deep);
}

.organization-card h2 {
  margin-bottom: 0;
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  letter-spacing: -0.07em;
}

.organization-card dl {
  margin: 0;
}

.organization-card dl div {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.organization-card dl div:last-child {
  border-bottom: 0;
}

.organization-card dt {
  color: var(--ink-soft);
  font-size: 0.78rem;
}

.organization-card dd {
  margin: 0;
  font-size: 0.84rem;
  font-weight: 600;
}

@media (max-width: 850px) {
  .site-header {
    min-height: 82px;
  }

  nav {
    gap: 16px;
  }

  nav a {
    font-size: 0.78rem;
  }

  .hero {
    min-height: 0;
    grid-template-columns: 1fr;
    padding-top: 70px;
  }

  .product-visual {
    min-height: 460px;
  }

  .product-grid,
  .about-section,
  .contact-panel,
  .organization-card {
    grid-template-columns: 1fr;
    gap: 45px;
  }

  .legal-layout {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .legal-layout aside {
    position: static;
  }

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

  .support-grid article,
  .support-grid article:first-child,
  .support-grid article:last-child {
    padding: 34px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .support-grid article:last-child {
    border-bottom: 0;
  }

  .support-grid .feature-number {
    margin-bottom: 18px;
  }
}

@media (max-width: 600px) {
  .site-header,
  main,
  footer {
    width: min(100% - 30px, 1180px);
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
    padding: 18px 0 22px;
  }

  nav {
    width: 100%;
    justify-content: space-between;
    gap: 10px;
  }

  .hero {
    padding: 58px 0 70px;
  }

  .hero h1 {
    font-size: clamp(2.8rem, 15vw, 4.4rem);
  }

  .product-visual {
    min-height: 390px;
    border-radius: 32px 32px 130px 32px;
  }

  .focus-card {
    padding: 24px;
  }

  .identity-strip {
    grid-template-columns: 1fr;
  }

  .identity-strip div,
  .identity-strip div:first-child {
    padding: 20px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .identity-strip div:last-child {
    border-bottom: 0;
  }

  .product-section,
  .about-section {
    padding: 90px 0;
  }

  .section-heading {
    margin-bottom: 50px;
  }

  .closing {
    min-height: 440px;
  }

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

  .footer-links {
    grid-row: 2;
  }

  .copyright {
    grid-column: 1;
  }

  .page-hero {
    padding: 80px 0 65px;
  }

  .legal-layout {
    padding: 50px 0 90px;
  }

  .contact-panel {
    padding: 55px 0;
  }

  .email-card {
    padding: 28px 52px 28px 24px;
  }

  .support-grid {
    padding: 70px 0;
  }

  .organization-card {
    margin-bottom: 90px;
    padding: 32px 24px;
  }

  .organization-card dl div {
    grid-template-columns: 1fr;
    gap: 3px;
  }
}

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

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