:root {
  --bg: #f6f3ed;
  --bg-grid: linear-gradient(90deg, rgba(8, 15, 40, 0.04) 1px, transparent 1px), linear-gradient(180deg, rgba(8, 15, 40, 0.04) 1px, transparent 1px);
  --surface: #ffffff;
  --surface-muted: #fdfbf7;
  --text: #1f1d1b;
  --text-muted: rgba(31, 29, 27, 0.7);
  --brand: #ff5c35;
  --brand-dark: #352cdd;
  --border: rgba(31, 29, 27, 0.1);
  --radius: 32px;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --display-font: 'Nanum Myeongjo', serif;
  --sans-font: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  background-image: var(--bg-grid);
  background-size: 120px 120px;
  line-height: 1.6;
  font-family: var(--sans-font);
  font-weight: 400;
}

.section h2 {
  font-family: var(--display-font);
  font-size: 2.5rem;
  margin-bottom: 16px;
}

p,
li {
  font-weight: 300;
}

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

a:hover {
  opacity: 0.8;
}

header.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px clamp(20px, 6vw, 80px);
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(246, 243, 237, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
}

.brand small {
  font-size: 0.8rem;
  color: var(--text-muted);
}

nav.site-nav {
  display: flex;
  gap: 24px;
  font-weight: 500;
  color: var(--text-muted);
  font-family: var(--sans-font);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid var(--border);
  transition: transform 0.2s ease;
}

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

.btn-secondary {
  background: var(--surface);
  color: var(--text);
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(40px, 6vw, 80px) 20px 120px;
}

.hero {
  text-align: center;
  padding: 60px 0;
}

.hero .badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero h1,
.hero h1, h1, h2, h3, h4 {
  font-family: var(--display-font);
}

.hero h1 {
  font-size: clamp(2.5rem, 4vw, 4rem);
  margin: 24px 0 16px;
  line-height: 1.1;
  font-family: var(--display-font);
}

.hero p.lede {
  max-width: 720px;
  margin: 0 auto 32px;
  color: var(--text-muted);
  font-size: 1.2rem;
  line-height: 1.7;
  font-family: var(--sans-font);
}

.hero-cta {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.hero-metrics {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  color: var(--text-muted);
  font-family: var(--sans-font);
}

.hero-metrics h3 {
  margin: 0;
  font-size: 2rem;
  color: var(--text);
}

.metric-value {
  font-family: 'IBM Plex Mono', 'Nanum Myeongjo', monospace;
  letter-spacing: -0.04em;
  font-weight: 600;
  margin-bottom: 4px;
}

.feature-tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin: 60px 0;
}

.tile {
  background: var(--surface);
  border-radius: 24px;
  border: 1px solid var(--border);
  padding: 28px;
  text-align: left;
  box-shadow: 0 30px 80px rgba(15, 8, 4, 0.08);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.tile h3 {
  margin: 16px 0 8px;
  font-size: 1.4rem;
}

.tile p {
  font-size: 1.05rem;
  line-height: 1.6;
}

.tile .badge {
  font-weight: 700;
}

.tile-icon {
  width: 52px;
  height: 52px;
  border-radius: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
}

.tile-icon svg {
  width: 28px;
  height: 28px;
  stroke: currentColor;
  stroke-width: 1.6;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.tile.procurement .tile-icon {
  background: #ffeade;
  color: #f53d00;
}

.tile.projects .tile-icon {
  background: #e4ecff;
  color: #2345ff;
}

.tile.revenue .tile-icon {
  background: #e8f8f0;
  color: #108a5f;
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
}

.card-icon svg {
  width: 26px;
  height: 26px;
  stroke: currentColor;
  stroke-width: 1.6;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.operator-strip {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  align-items: center;
  margin-bottom: 60px;
}

.operator-strip h1 {
  font-family: var(--display-font);
  font-size: 2rem;
  font-weight: 500;
  color: var(--text);
  margin: 0;
}

.operator-strip.logos {
  flex-direction: column;
  gap: 12px;
}

.logo-row {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
}

.logo-pill {
  width: 150px;
  height: 72px;
  padding: 16px 20px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.9;
}

.logo-pill img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: grayscale(1);
}

.section {
  margin: 80px 0;
}

.section h2 {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.section p {
  color: var(--text-muted);
  max-width: 780px;
}

.grid-two {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  align-items: center;
}

.story-card {
  background: var(--surface);
  border-radius: 32px;
  border: 1px solid var(--border);
  padding: 32px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.08);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.story-card .loop-art {
  width: 120px;
  height: auto;
}

.story-card .loop-art svg {
  width: 100%;
  height: auto;
  display: block;
}

.story-card ul {
  padding-left: 18px;
  color: var(--text-muted);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.product-card {
  background: var(--surface);
  border-radius: 28px;
  border: 1px solid var(--border);
  padding: 28px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
}

.product-card h3,
.product-card .badge {
  font-weight: 700;
}

.product-card ul {
  padding-left: 18px;
  color: var(--text-muted);
  font-family: var(--sans-font);
}

.product-card.graph .card-icon {
  background: #ffeade;
  color: #f53d00;
}

.product-card.radar .card-icon {
  background: #e4ecff;
  color: #2345ff;
}

.product-card.revenue .card-icon {
  background: #e8f8f0;
  color: #108a5f;
}

.roles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 32px;
}

.roles-grid article {
  background: var(--surface-muted);
  border-radius: 24px;
  border: 1px solid var(--border);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.roles-grid ul {
  padding-left: 18px;
  color: var(--text-muted);
}

.roles-grid .card-icon {
  background: #f5f0ff;
  color: #6c3ade;
  margin-bottom: 12px;
}

.roles-grid article.design .card-icon {
  background: #fff2e2;
  color: #ff8a00;
}

.roles-grid article.revenue .card-icon {
  background: #e9f8f0;
  color: #0b8a5f;
}
.roles-grid article.product .card-icon {
  background: #f0f6ff;
  color: #1c5de7;
}
.roles-grid article.sales .card-icon {
  background: #fff3ec;
  color: #e4572e;
}
.roles-grid article.engineering .card-icon {
  background: #e7efff;
  color: #1b4dd6;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-top: 32px;
}

.process-steps article {
  background: var(--surface);
  border-radius: 24px;
  border: 1px solid var(--border);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-align: left;
}

.process-steps .card-icon {
  background: #f2f1ff;
  color: #5a4ef0;
}

.process-steps article h3 {
  margin: 0;
}

.process-steps article p {
  margin: 0;
  color: var(--text-muted);
}

.contact-panel {
  margin-top: 80px;
  padding: 40px;
  background: var(--surface);
  border-radius: 32px;
  border: 1px solid var(--border);
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.08);
  text-align: center;
}

.contact-cta p {
  color: var(--text-muted);
  margin-top: 16px;
}

.contact-cta__actions {
  margin-top: 20px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

footer.site-footer {
  text-align: center;
  padding: 40px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

@media (max-width: 720px) {
  header.site-header {
    flex-direction: column;
    gap: 16px;
  }

  nav.site-nav {
    flex-wrap: wrap;
    justify-content: center;
  }
}