:root {
  --bg: #f6efe4;
  --bg-soft: #fffaf3;
  --surface: rgba(255, 250, 243, 0.88);
  --surface-strong: #fffdf8;
  --line: rgba(92, 68, 44, 0.14);
  --text: #2d241d;
  --muted: #6b5a4b;
  --accent: #c96f3b;
  --accent-strong: #a8501f;
  --accent-soft: #f3d5bd;
  --shadow: 0 24px 60px rgba(88, 62, 35, 0.12);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans KR", "Apple SD Gothic Neo", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(246, 206, 167, 0.55), transparent 26%),
    radial-gradient(circle at 85% 15%, rgba(214, 140, 87, 0.18), transparent 22%),
    linear-gradient(180deg, #fbf4ea 0%, #f6efe4 46%, #f3eadc 100%);
  line-height: 1.65;
}

body.menu-open {
  overflow: hidden;
}

img {
  max-width: 100%;
}

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

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

p,
ul,
h1,
h2,
h3,
h4 {
  margin-top: 0;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(251, 244, 234, 0.72);
  border-bottom: 1px solid rgba(92, 68, 44, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 78px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.logo-badge {
  display: inline-grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.9rem;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #fff;
  box-shadow: 0 14px 28px rgba(169, 80, 31, 0.25);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.main-nav a {
  padding: 0.7rem 0.95rem;
  border-radius: 999px;
  color: var(--muted);
  font-weight: 600;
  transition: background-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.main-nav a:hover,
.main-nav a:focus-visible,
.main-nav a.active {
  background: rgba(201, 111, 59, 0.12);
  color: var(--accent-strong);
}

.menu-toggle {
  display: none;
  border: 0;
  border-radius: 999px;
  padding: 0.75rem 1rem;
  background: rgba(201, 111, 59, 0.12);
  color: var(--accent-strong);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.hero {
  padding: 4.5rem 0 2.25rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.75fr);
  gap: 1.5rem;
  align-items: start;
}

.hero-card,
.info-card,
.card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-card {
  position: relative;
  overflow: hidden;
  padding: 2.5rem;
}

.hero-card::after {
  content: "";
  position: absolute;
  inset: auto -8% -30% auto;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 111, 59, 0.18) 0%, rgba(201, 111, 59, 0) 70%);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  background: rgba(201, 111, 59, 0.12);
  color: var(--accent-strong);
  font-size: 0.92rem;
  font-weight: 700;
}

.hero h1 {
  margin: 1rem 0 1.1rem;
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  line-height: 1.12;
  letter-spacing: -0.05em;
}

.hero p {
  max-width: 62ch;
  color: var(--muted);
  font-size: 1.03rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.6rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.25rem;
  padding: 0.8rem 1.3rem;
  border-radius: 999px;
  font-weight: 800;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #fff;
  box-shadow: 0 18px 35px rgba(169, 80, 31, 0.25);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.7);
  color: var(--text);
  border: 1px solid rgba(92, 68, 44, 0.12);
}

.hero-side {
  display: grid;
  gap: 1.2rem;
}

.info-card,
.card {
  padding: 1.5rem;
}

.info-card h3,
.card h3 {
  margin-bottom: 0.9rem;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.check-bullets,
.dot-list,
.site-footer ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-bullets li,
.dot-list li,
.site-footer li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--muted);
}

.check-bullets li + li,
.dot-list li + li,
.site-footer li + li {
  margin-top: 0.7rem;
}

.check-bullets li::before,
.dot-list li::before,
.site-footer li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0.25rem rgba(201, 111, 59, 0.12);
}

.section {
  padding: 1.5rem 0 2.25rem;
}

.section-sm {
  padding-top: 1rem;
}

.section-title {
  margin: 0.9rem 0 0.65rem;
  font-size: clamp(1.7rem, 3vw, 2.7rem);
  letter-spacing: -0.04em;
}

.section-desc {
  max-width: 74ch;
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 1.2rem;
}

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

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

.mt-24 {
  margin-top: 1.5rem;
}

.mt-0 {
  margin-top: 0;
}

.card {
  height: 100%;
}

.card p {
  color: var(--muted);
}

.card a {
  text-decoration: underline;
  text-decoration-color: rgba(169, 80, 31, 0.28);
  text-underline-offset: 0.18em;
}

.card a:hover,
.card a:focus-visible {
  color: var(--accent-strong);
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: var(--bg-soft);
  border: 1px solid rgba(92, 68, 44, 0.08);
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
}

.principles-card {
  background:
    linear-gradient(135deg, rgba(255, 250, 243, 0.95) 0%, rgba(247, 235, 219, 0.95) 100%);
}

.site-footer {
  padding: 2.5rem 0 3rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.8fr 0.9fr;
  gap: 1.5rem;
  padding: 1.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 251, 245, 0.82);
  box-shadow: var(--shadow);
}

.site-footer h3,
.site-footer h4 {
  margin-bottom: 0.75rem;
}

.site-footer p,
.site-footer a {
  color: var(--muted);
}

.footer-bottom {
  padding-top: 1rem;
  color: var(--muted);
  text-align: center;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 500ms ease, transform 500ms ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 960px) {
  .hero-grid,
  .grid-2,
  .grid-3,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .main-nav {
    position: fixed;
    top: 78px;
    left: 1rem;
    right: 1rem;
    display: grid;
    gap: 0.35rem;
    padding: 0.9rem;
    border: 1px solid var(--line);
    border-radius: 1.25rem;
    background: rgba(255, 250, 243, 0.97);
    box-shadow: var(--shadow);
    transform: translateY(-1rem);
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease, transform 180ms ease;
  }

  .main-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .hero {
    padding-top: 3.2rem;
  }

  .hero-card,
  .info-card,
  .card,
  .footer-grid {
    padding: 1.3rem;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(calc(100% - 1.2rem), var(--container));
  }

  .header-inner {
    min-height: 72px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .btn {
    width: 100%;
  }

  .hero-card {
    padding: 1.25rem;
  }

  .section {
    padding-bottom: 1.5rem;
  }
}

.page-hero {
  padding: 3.5rem 0 1.5rem;
}

.page-hero h1 {
  margin: 0.9rem 0 1rem;
  font-size: clamp(2rem, 4vw, 3.4rem);
  letter-spacing: -0.04em;
}

.page-hero p {
  max-width: 70ch;
  color: var(--muted);
}

.breadcrumb {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 600;
}

.content-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  gap: 1.5rem;
  align-items: start;
  padding-bottom: 2.5rem;
}

.content-layout > div {
  display: grid;
  gap: 1.25rem;
}

.content-card {
  padding: 1.6rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.content-card h2 {
  margin-bottom: 0.9rem;
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  letter-spacing: -0.03em;
}

.content-card h3 {
  margin: 1.4rem 0 0.45rem;
  font-size: 1.08rem;
}

.content-card p {
  color: var(--muted);
}

.sidebar {
  position: sticky;
  top: 98px;
  display: grid;
  gap: 1.2rem;
}

.checklist {
  display: grid;
  gap: 0.85rem;
  margin-top: 1.2rem;
}

.check-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  align-items: start;
  padding: 1rem;
  border: 1px solid rgba(92, 68, 44, 0.1);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.58);
}

.check-item input {
  width: 1.1rem;
  height: 1.1rem;
  margin-top: 0.18rem;
  accent-color: var(--accent-strong);
}

.check-item strong {
  display: block;
  margin-bottom: 0.2rem;
}

.check-item small {
  display: block;
  color: var(--muted);
  line-height: 1.55;
}

.progress-wrap {
  margin-top: 1.2rem;
}

.progress-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.6rem;
  font-weight: 700;
}

.progress-bar {
  overflow: hidden;
  height: 0.85rem;
  border-radius: 999px;
  background: rgba(92, 68, 44, 0.1);
}

.progress-fill {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  transition: width 180ms ease;
}

.check-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.2rem;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}

th,
 td {
  padding: 0.95rem 1rem;
  border-bottom: 1px solid rgba(92, 68, 44, 0.1);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--text);
  font-size: 0.95rem;
}

td {
  color: var(--muted);
}

.notice {
  margin-top: 1rem;
  padding: 1rem 1.1rem;
  border-radius: var(--radius-md);
  background: rgba(201, 111, 59, 0.12);
  color: var(--accent-strong);
  font-weight: 700;
}

@media (max-width: 960px) {
  .content-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }
}

@media print {
  .site-header,
  .site-footer,
  .menu-toggle,
  .check-actions,
  .sidebar {
    display: none !important;
  }

  body {
    background: #fff;
  }

  .content-layout,
  .content-layout > div {
    display: block;
  }

  .content-card,
  .card {
    box-shadow: none;
    border: 1px solid #ddd;
    background: #fff;
    break-inside: avoid;
    margin-bottom: 1rem;
  }
}

.muted {
  color: var(--muted);
}