:root {
  --bg: #f5faf5;
  --surface: #ffffff;
  --surface-soft: #edf7ef;
  --text: #1d2733;
  --text-muted: #445a4a;
  --brand: #3f9a49;
  --brand-strong: #1f6a35;
  --brand-soft: #d8efd9;
  --border: #cfe3d0;
  --ok: #00856a;
  --warn: #c56100;
  --danger: #b22121;
  --shadow: 0 10px 30px rgba(20, 69, 28, 0.1);
  --radius-xl: 20px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --maxw: 1120px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: radial-gradient(circle at 10% 0%, #e5f6e9 0%, #f5faf5 45%, #f5faf5 100%);
  color: var(--text);
  font-family: "Noto Sans KR", "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  line-height: 1.65;
}

a {
  color: var(--brand-strong);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(8px);
  background: rgba(245, 250, 245, 0.9);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-badge {
  width: 30px;
  height: 30px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--brand), #8fd497);
  color: #fff;
  font-size: 14px;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.nav a {
  padding: 8px 10px;
  border-radius: 999px;
  color: var(--text-muted);
  font-size: 14px;
  border: 1px solid transparent;
}

.nav a.active {
  color: var(--brand-strong);
  border-color: var(--brand-soft);
  background: #fff;
}

.page {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 34px 20px 52px;
}

.hero {
  border-radius: var(--radius-xl);
  padding: 34px;
  background:
    linear-gradient(145deg, rgba(63, 154, 73, 0.96) 0%, rgba(31, 106, 53, 0.96) 100%),
    linear-gradient(45deg, #5eb56c 0%, #3f9a49 100%);
  color: #fff;
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
}

.hero::after {
  content: "";
  position: absolute;
  right: -90px;
  top: -70px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.26) 0%, rgba(255, 255, 255, 0.02) 70%);
}

.hero h1 {
  margin: 0 0 8px;
  font-size: 34px;
  line-height: 1.25;
  letter-spacing: -0.03em;
}

.hero p {
  margin: 0;
  max-width: 820px;
  color: rgba(255, 255, 255, 0.95);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(300px, 0.9fr);
  gap: 20px;
  align-items: stretch;
}

.hero-main,
.hero-panel {
  position: relative;
  z-index: 1;
}

.hero-eyebrow,
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-eyebrow {
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.24);
  color: #fff;
}

.section-kicker {
  background: var(--brand-soft);
  color: var(--brand-strong);
}

.hero-panel {
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 18px;
  padding: 22px;
  background: rgba(10, 37, 18, 0.18);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.hero-panel h2 {
  margin: 0 0 10px;
  font-size: 20px;
}

.hero-link-row {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.hero-link-row a {
  color: #fff;
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.55);
}

.hero-label {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
}

.step-list {
  margin: 0 0 14px;
  padding-left: 18px;
}

.step-list li {
  margin-bottom: 10px;
  color: rgba(255, 255, 255, 0.92);
}

.workflow-spotlight {
  background:
    linear-gradient(180deg, rgba(237, 247, 239, 0.88) 0%, rgba(255, 255, 255, 1) 100%);
}

.collage-card {
  background:
    radial-gradient(circle at 0% 0%, rgba(216, 239, 217, 0.9) 0%, rgba(255, 255, 255, 0) 35%),
    linear-gradient(180deg, rgba(237, 247, 239, 0.92) 0%, rgba(255, 255, 255, 1) 100%);
}

.collage-board {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  grid-auto-rows: 160px;
  gap: 14px;
  margin-top: 18px;
}

.collage-tile {
  position: relative;
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid rgba(31, 106, 53, 0.16);
  background: #163521;
  box-shadow: 0 16px 28px rgba(20, 69, 28, 0.12);
}

.collage-tile::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 24, 16, 0.02) 0%, rgba(10, 24, 16, 0.72) 100%);
  pointer-events: none;
}

.collage-tile img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transform: scale(1.08);
  filter: saturate(1.05) contrast(1.03);
}

.collage-tile-primary {
  grid-row: span 2;
}

.collage-tile-wide {
  grid-column: span 2;
}

.collage-caption {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 14px;
  z-index: 1;
  color: #fff;
}

.collage-caption strong,
.collage-caption span {
  display: block;
}

.collage-caption strong {
  font-size: 15px;
  letter-spacing: -0.02em;
}

.collage-caption span {
  margin-top: 2px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.86);
}

.crop-top img {
  object-position: center 12%;
}

.crop-left img {
  object-position: 18% center;
}

.crop-right img {
  object-position: 82% center;
}

.crop-bottom img {
  object-position: center 78%;
}

.collage-board .collage-tile:nth-child(1) {
  animation: collage-in 0.55s ease both;
}

.collage-board .collage-tile:nth-child(2) {
  animation: collage-in 0.65s ease both;
}

.collage-board .collage-tile:nth-child(3) {
  animation: collage-in 0.75s ease both;
}

@keyframes collage-in {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.98);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}


.workflow-grid,
.visual-grid {
  display: grid;
  gap: 16px;
}

.workflow-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 18px;
}

.workflow-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px;
  background: rgba(255, 255, 255, 0.96);
}

.workflow-item h3 {
  margin-bottom: 8px;
}

.workflow-item p {
  min-height: 48px;
}

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

.cta-row {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  padding: 10px 16px;
  font-weight: 700;
  font-size: 14px;
  border: 1px solid transparent;
  text-decoration: none;
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-primary {
  background: #fff;
  color: var(--brand-strong);
  box-shadow: 0 8px 16px rgba(18, 74, 30, 0.24);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.35);
  color: #fff;
}

.grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 16px;
}

.card {
  grid-column: span 12;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: 0 3px 12px rgba(18, 56, 24, 0.07);
}

.card h2,
.card h3 {
  margin-top: 0;
  letter-spacing: -0.02em;
}

.card p {
  margin-top: 0;
  color: var(--text-muted);
}

.split-6 {
  grid-column: span 6;
}

.split-4 {
  grid-column: span 4;
}

.kpi {
  font-size: 28px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.chip {
  border: 1px solid var(--brand-soft);
  background: #fff;
  color: var(--brand-strong);
  border-radius: 999px;
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 700;
}

.note {
  border-left: 4px solid var(--brand);
  padding: 10px 12px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--surface-soft);
  color: var(--text-muted);
}

.warn {
  border-left-color: var(--warn);
}

.ok {
  border-left-color: var(--ok);
}

.danger {
  border-left-color: var(--danger);
}

pre {
  margin: 0;
  border-radius: var(--radius-sm);
  background: #111820;
  color: #e8f0fb;
  border: 1px solid #243548;
  padding: 14px;
  overflow: auto;
  font-size: 13px;
}

code {
  font-family: "JetBrains Mono", "Consolas", "Menlo", monospace;
}

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

th,
td {
  border: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
  padding: 10px;
}

th {
  background: #ecf5ee;
}

.infographic {
  width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: #fff;
}

.footer {
  margin-top: 24px;
  font-size: 13px;
  color: var(--text-muted);
}

.list-tight li {
  margin-bottom: 8px;
}

@media (max-width: 900px) {
  .split-6,
  .split-4 {
    grid-column: span 12;
  }

  .hero-grid,
  .collage-board,
  .workflow-grid,
  .visual-grid {
    grid-template-columns: 1fr;
  }

  .collage-board {
    grid-auto-rows: minmax(180px, auto);
  }

  .collage-tile-primary,
  .collage-tile-wide {
    grid-column: span 1;
    grid-row: span 1;
  }

  .hero {
    padding: 24px;
  }

  .hero h1 {
    font-size: 28px;
  }

  .topbar-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}