:root {
  --sage-green: #0b8f63;
  --sage-deep: #0a5a43;
  --sage-soft: #eef8f3;
  --learnmore-rose: #b76578;
  --learnmore-rose-dark: #a75a6c;
  --text-main: #162823;
  --text-muted: #4a615a;
  --line: #d7e5df;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Helvetica Neue', Helvetica, Arial, 'Noto Sans KR', sans-serif;
  color: var(--text-main);
  background: #f7faf8;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 400;
}

.background-radial {
  display: none;
}

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

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

.container {
  width: min(1200px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.nav-wrap {
  min-height: 96px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0;
}

.brand img {
  width: 170px;
  height: auto;
  border-radius: 0;
  object-fit: contain;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.1rem;
}

.nav-core {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.nav-item {
  position: relative;
}

.nav-item-dropdown {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 0.42rem 0.62rem;
  border-radius: 0;
  color: var(--sage-deep);
  font-weight: 400;
  font-size: 1.06rem;
}

.nav-link:hover {
  background: var(--sage-soft);
}

.nav-link-static {
  cursor: default;
  pointer-events: none;
}

.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 250px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 10px 24px -20px rgba(0, 0, 0, 0.35);
  display: none;
  z-index: 120;
}

.nav-item-dropdown:hover .nav-dropdown,
.nav-item-dropdown:focus-within .nav-dropdown {
  display: block;
}

.nav-dropdown a {
  display: block;
  padding: 0.62rem 0.72rem;
  color: var(--text-main);
  font-size: 0.98rem;
  border-bottom: 1px solid var(--line);
}

.nav-dropdown a:last-child {
  border-bottom: 0;
}

.nav-dropdown a:hover {
  background: var(--sage-soft);
  color: var(--sage-deep);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.action-pill,
.action-icon,
.text-btn {
  border-radius: 0;
  border: 1px solid var(--sage-green);
  padding: 0.42rem 0.78rem;
  background: #fff;
  color: var(--sage-deep);
  font-weight: 400;
  font: inherit;
  cursor: pointer;
}

.action-icon {
  background: var(--sage-green);
  color: #fff;
}

.action-pill:hover,
.action-icon:hover,
.text-btn:hover {
  opacity: 0.9;
}

.inline-form {
  margin: 0;
}

main {
  min-height: calc(100vh - 96px);
}

.flash-wrap {
  margin-top: 0.8rem;
}

.flash {
  border-radius: 0;
  padding: 0.75rem 0.9rem;
  font-weight: 700;
}

.flash-error {
  background: #ffe8eb;
  color: #8a2e45;
  border: 1px solid #f6c3ce;
}

.flash-success {
  background: #dff6ea;
  color: #0e6748;
  border: 1px solid #bfe9d5;
}

.home-stage {
  position: relative;
  min-height: calc(100vh - 96px);
  overflow: hidden;
}

.stage-media,
.stage-overlay {
  position: absolute;
  inset: 0;
}

.stage-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: blur(1.6px) brightness(0.58) saturate(0.78);
  transform: scale(1.03);
}

.stage-overlay {
  background:
    linear-gradient(180deg, rgba(6, 16, 20, 0.34), rgba(6, 16, 20, 0.72)),
    radial-gradient(circle at center, rgba(0, 0, 0, 0.08), rgba(0, 0, 0, 0.4)),
    repeating-linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.02) 0,
      rgba(255, 255, 255, 0.02) 170px,
      rgba(5, 10, 15, 0.24) 170px,
      rgba(5, 10, 15, 0.24) 242px
    );
}

.stage-content {
  position: relative;
  z-index: 2;
  color: #fff;
  min-height: calc(100vh - 96px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: clamp(2rem, 8vh, 4rem);
  padding-bottom: clamp(2rem, 7vh, 4rem);
}

.hero-focus {
  width: min(1100px, 100%);
}

.stage-eyebrow {
  margin: 0 0 0.6rem;
  font-family: Helvetica, 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(242, 255, 250, 0.92);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.45);
}

.stage-content h1 {
  margin: 0;
  max-width: 22ch;
  font-family: Helvetica, 'Helvetica Neue', Arial, sans-serif;
  font-size: clamp(2.3rem, 7vw, 5.8rem);
  font-weight: 700;
  color: #edf2f1;
  line-height: 1.04;
  letter-spacing: -0.015em;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.38);
}

.accent-green {
  color: #0b7b5c;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
}

.hero-actions {
  margin-top: 1.25rem;
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
  justify-content: center;
}

.hero-actions .btn {
  border-radius: 0;
  min-height: 48px;
  min-width: 152px;
  padding: 0.36rem 0.74rem;
  font-size: clamp(1.02rem, 1.3vw, 1.2rem);
  font-weight: 400;
  border-width: 2px;
  box-shadow: 0 10px 20px -14px rgba(0, 0, 0, 0.6);
}

.hero-actions .btn-primary,
.hero-actions .btn-ghost,
.home-stage .btn-ghost {
  background: var(--learnmore-rose);
  border-color: var(--learnmore-rose);
  color: #ffffff;
}

.hero-actions .btn-primary:hover,
.hero-actions .btn-ghost:hover {
  background: var(--learnmore-rose-dark);
  border-color: var(--learnmore-rose-dark);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0;
  border: 1px solid transparent;
  padding: 0.65rem 1rem;
  font-weight: 800;
  cursor: pointer;
}

.btn-primary {
  background: var(--sage-green);
  border-color: var(--sage-green);
  color: #fff;
}

.btn-ghost {
  background: #fff;
  border-color: #cfe0d9;
  color: var(--sage-deep);
}

.section-block {
  padding: 2rem 0;
}

.section-head {
  margin-bottom: 0.95rem;
}

.eyebrow {
  margin: 0;
  font-family: Helvetica, 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sage-green);
}

.section-head h1,
.section-head h2 {
  margin: 0.24rem 0 0;
  font-family: Helvetica, 'Helvetica Neue', Arial, sans-serif;
  font-weight: 400;
  font-size: clamp(1.45rem, 3vw, 2rem);
}

.compact-head h2 {
  font-size: clamp(1.2rem, 2.3vw, 1.45rem);
}

.card-grid,
.panel-grid,
.home-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.card-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.info-card,
.panel-card,
.detail-card,
.auth-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 0;
}

.info-card,
.panel-card,
.detail-card {
  padding: 1rem;
}

.info-card h3,
.panel-card h2,
.panel-card h3,
.notice-item h3 {
  margin: 0;
  font-family: Helvetica, 'Helvetica Neue', Arial, sans-serif;
  font-weight: 400;
  color: var(--text-main);
}

.info-card p,
.panel-card p,
.notice-item p,
.auth-note,
.detail-meta,
.detail-text,
.submission-list p,
.simple-list span,
.bullet-list span {
  color: var(--text-muted);
  line-height: 1.62;
}

.notice-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.notice-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.8rem;
  padding: 0.86rem;
  border-radius: 0;
  border: 1px solid var(--line);
  background: #fff;
}

.notice-item p {
  margin: 0.35rem 0 0;
}

.notice-item span {
  white-space: nowrap;
  color: var(--sage-deep);
  font-weight: 700;
  font-size: 0.9rem;
}

.bullet-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.66rem;
}

.bullet-list li {
  padding: 0.76rem;
  border: 1px solid var(--line);
  border-radius: 0;
  background: #fff;
}

.bullet-list strong {
  display: block;
  margin-bottom: 0.2rem;
  font-family: Helvetica, 'Helvetica Neue', Arial, sans-serif;
}

.auth-wrap {
  padding: 2rem 0;
}

.auth-card {
  max-width: 560px;
  margin: 0 auto;
  padding: 1.2rem;
}

.auth-card h1,
.detail-card h1,
.single-column h1 {
  margin-top: 0;
  font-family: Helvetica, 'Helvetica Neue', Arial, sans-serif;
}

.form-grid {
  display: grid;
  gap: 0.8rem;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 400;
}

.checkbox-row input[type='checkbox'] {
  width: auto;
  margin: 0;
}

label {
  display: grid;
  gap: 0.34rem;
  font-weight: 700;
  font-size: 0.94rem;
}

input,
textarea {
  width: 100%;
  border-radius: 0;
  border: 1px solid #c9ddd5;
  background: #fff;
  padding: 0.65rem 0.7rem;
  font: inherit;
}

input:focus,
textarea:focus {
  outline: 2px solid rgba(11, 143, 99, 0.3);
  outline-offset: 1px;
}

textarea {
  resize: vertical;
}

.panel-card h2,
.panel-card h3 {
  margin-bottom: 0.66rem;
}

.submission-list,
.simple-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.62rem;
}

.submission-list li,
.simple-list li {
  padding: 0.76rem;
  border: 1px solid var(--line);
  border-radius: 0;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
}

.download-group {
  display: inline-flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.consent-check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 400;
}

.consent-check input[type='checkbox'] {
  width: 16px;
  height: 16px;
}

.simple-link {
  color: var(--sage-green);
  font-weight: 400;
}

.simple-link:hover {
  text-decoration: underline;
}

.single-column {
  max-width: 760px;
}

.content-image {
  margin-top: 1rem;
  border: 1px solid var(--line);
  border-radius: 0;
}

.detail-meta {
  margin-top: 0;
}

.detail-text {
  white-space: pre-wrap;
}

.site-footer {
  margin-top: 2rem;
  background: #fff;
  border-top: 1px solid var(--line);
}

.footer-main {
  padding: 2.8rem 0 2.5rem;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.5rem;
}

.footer-left p {
  margin: 0.3rem 0;
  color: #1e2d28;
  font-size: 1.02rem;
}

.footer-left strong {
  font-weight: 400;
}

.footer-brand {
  margin: 0;
  font-family: Helvetica, 'Helvetica Neue', Arial, sans-serif;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: #111f1b;
}

.footer-logo-heading {
  width: clamp(150px, 20vw, 250px);
  height: auto;
}

.footer-tagline {
  margin: 0.7rem 0 1.25rem !important;
  font-size: clamp(1.2rem, 2.4vw, 2rem) !important;
  line-height: 1.3;
}

.footer-left a {
  color: var(--sage-deep);
  font-weight: 400;
}

.footer-right {
  justify-self: end;
  min-width: 220px;
}

.footer-right h3 {
  margin: 0;
  font-family: Helvetica, 'Helvetica Neue', Arial, sans-serif;
  font-weight: 400;
  font-size: 2rem;
  color: #111f1b;
}

.footer-links {
  margin-top: 1rem;
  display: grid;
  gap: 1rem;
}

.footer-links a {
  color: #1d2a25;
  font-size: 1.8rem;
  line-height: 1.2;
}

.footer-links a:hover {
  color: var(--sage-green);
}

.footer-legal {
  background: var(--sage-deep);
  color: #eaf7f1;
}

.footer-legal-wrap {
  min-height: 72px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-legal p {
  margin: 0;
  font-size: 1rem;
  color: #eaf7f1;
}

.footer-policy-links {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.footer-policy-links a {
  color: #eaf7f1;
  font-size: 1rem;
}

.footer-policy-links a:hover {
  text-decoration: underline;
}

.footer-policy-links a + a::before {
  content: '|';
  margin-right: 0.75rem;
  color: rgba(234, 247, 241, 0.75);
}

@media (max-width: 1080px) {
  .brand img {
    width: 136px;
    height: auto;
  }

  .nav-wrap {
    min-height: 86px;
    flex-wrap: wrap;
    align-items: center;
    padding: 0.45rem 0;
  }

  .site-nav {
    width: 100%;
    justify-content: space-between;
  }

  .nav-core {
    overflow-x: auto;
    white-space: nowrap;
  }
}

@media (max-width: 900px) {
  .container {
    width: calc(100% - 1rem);
  }

  .nav-core {
    display: none;
  }

  .site-nav {
    justify-content: flex-end;
  }

  .home-stage {
    min-height: calc(100vh - 86px);
  }

  .stage-content {
    min-height: calc(100vh - 86px);
  }

  .stage-content h1 {
    max-width: 12ch;
    font-size: clamp(2rem, 11.4vw, 3.3rem);
  }

  .hero-actions .btn {
    min-width: 134px;
    min-height: 44px;
    font-size: clamp(0.92rem, 3.8vw, 1.06rem);
  }

  .card-grid,
  .panel-grid,
  .home-grid {
    grid-template-columns: 1fr;
  }

  .footer-main {
    grid-template-columns: 1fr;
    padding: 2rem 0;
  }

  .footer-right {
    justify-self: start;
  }

  .footer-right h3 {
    font-size: 1.5rem;
  }

  .footer-links a {
    font-size: 1.2rem;
  }

  .footer-legal-wrap {
    min-height: 64px;
    padding: 0.8rem 0;
  }

  .notice-item,
  .submission-list li,
  .simple-list li {
    flex-direction: column;
    align-items: flex-start;
  }
}
