:root {
  --primary: #00c2a0;
  --primary-deep: #006b57;
  --secondary: #1a2b3c;
  --secondary-soft: #4f6073;
  --tertiary: #505f76;
  --neutral: #717975;
  --paper: #f4fbf6;
  --paper-strong: #ffffff;
  --card: rgba(255, 255, 255, 0.78);
  --line: rgba(108, 122, 117, 0.22);
  --line-strong: rgba(108, 122, 117, 0.34);
  --ink: #161d1b;
  --muted: #3c4a45;
  --shadow-lg: 0 28px 72px rgba(26, 43, 60, 0.12);
  --shadow-md: 0 16px 40px rgba(26, 43, 60, 0.1);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --radius-pill: 999px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: "Plus Jakarta Sans", "Noto Sans KR", sans-serif;
  background:
    radial-gradient(circle at 10% 15%, rgba(0, 194, 160, 0.08), transparent 26%),
    radial-gradient(circle at 88% 12%, rgba(100, 116, 139, 0.08), transparent 24%),
    linear-gradient(180deg, var(--paper) 0%, #eef5f1 100%);
}

.site-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background-image:
    linear-gradient(rgba(26, 43, 60, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26, 43, 60, 0.07) 1px, transparent 1px);
  background-size: 16px 16px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.22), rgba(0, 0, 0, 0.08) 40%, transparent 100%);
}

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

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

.container {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 16px;
  z-index: 30;
  padding-top: 16px;
}

.header-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 18px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--radius-pill);
  background: rgba(250, 252, 250, 0.9);
  backdrop-filter: blur(16px);
  box-shadow: 0 14px 36px rgba(26, 43, 60, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand img {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
}

.brand-wordmark img {
  width: 100px;
  height: auto;
  object-fit: contain;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.brand-copy strong {
  font-family: "Space Grotesk", "Noto Sans KR", sans-serif;
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.brand-copy span {
  color: var(--muted);
  font-family: "Inter", "Noto Sans KR", sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.main-nav,
.header-ctas,
.footer-links {
  display: flex;
  align-items: center;
  gap: 16px;
}

.main-nav {
  color: var(--muted);
  font-family: "Inter", "Noto Sans KR", sans-serif;
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.main-nav a {
  padding: 6px 3px;
  transition: color 0.18s ease;
}

.main-nav a:hover,
.footer-links a:hover {
  color: var(--secondary);
}

.lang-switcher {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.7);
}

.lang-switcher button {
  border: 0;
  padding: 8px 12px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
}

.lang-switcher button.active {
  background: rgba(0, 194, 160, 0.14);
  color: var(--secondary);
  font-weight: 600;
}

.btn,
.text-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 22px;
  border-radius: var(--radius-pill);
  font-family: "Inter", "Noto Sans KR", sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

.btn:hover,
.text-link:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #28d7b7);
  color: white;
  box-shadow: 0 16px 28px rgba(0, 194, 160, 0.26);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  color: var(--secondary);
}

.btn-outline {
  border: 1px solid rgba(26, 43, 60, 0.18);
  background: transparent;
  color: var(--secondary);
}

.text-link {
  min-height: auto;
  padding: 0;
  color: var(--primary-deep);
}

main {
  padding-bottom: 88px;
}

.hero,
.section,
.page-main {
  padding-top: 84px;
}

.hero {
  display: block;
  max-width: 720px;
  text-align: center;
}

.eyebrow,
.brand-tag,
.section-lead,
.hero-desc,
.product-body p,
.vision-card p,
.principle-card p,
.page-card p,
.page-card li,
.contact-label,
.footer-sub,
.page-updated {
  color: var(--muted);
}

.eyebrow,
.page-updated,
.product-chip,
.status-pill,
.eyebrow-pill,
.stage-kicker,
.principle-number {
  font-family: "Inter", "Noto Sans KR", sans-serif;
}

.eyebrow,
.page-updated {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.eyebrow-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(255, 255, 255, 0.8);
  color: var(--secondary);
  font-size: 0.8rem;
  font-weight: 600;
}

.hero-lockup {
  display: block;
  margin-top: 10px;
}

.hero-copy {
  display: grid;
  justify-items: center;
}

.brand-tag {
  margin: 0 0 12px;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

h1,
.section-head h2,
.page-card h1,
.cta-band h2,
.product-body h3,
.vision-card h3,
.principle-card h3,
.page-card h2,
.stage-card h2,
.mini-card h2 {
  margin: 0;
  color: var(--ink);
  letter-spacing: -0.04em;
}

h1,
.section-head h2,
.cta-band h2,
.page-card h1,
.stage-card h2 {
  font-family: "Space Grotesk", "Noto Sans KR", sans-serif;
}

h1 {
  font-size: clamp(3.15rem, 6vw, 5rem);
  line-height: 0.96;
}

h1 span {
  color: var(--primary);
}

.hero-desc,
.section-lead,
.product-body p,
.vision-card p,
.principle-card p,
.page-card p,
.page-card li,
.contact-label {
  font-size: 1.03rem;
  line-height: 1.72;
}

.hero-desc {
  max-width: 36ch;
  margin: 18px auto 0;
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.hero-stage {
  display: none;
}

.stage-card,
.product-card,
.vision-card,
.principle-card,
.page-card,
.mini-card,
.cta-band {
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(12px);
}

.stage-card,
.page-card,
.cta-band {
  border-radius: var(--radius-xl);
}

.stage-card,
.page-card {
  padding: 28px;
}

.stage-kicker,
.product-chip,
.status-pill,
.principle-number {
  color: var(--secondary-soft);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
}

.stage-brand {
  min-height: 270px;
  display: grid;
  align-content: start;
  background:
    radial-gradient(circle at 85% 18%, rgba(0, 194, 160, 0.12), transparent 22%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(241, 248, 245, 0.94));
}

.stage-logo {
  width: min(100%, 268px);
  margin-top: 10px;
  margin-bottom: 6px;
  justify-self: start;
  filter: drop-shadow(0 18px 28px rgba(26, 43, 60, 0.08));
}

.stage-brand h2 {
  margin-top: 10px;
  font-size: clamp(1.9rem, 3vw, 2.8rem);
  line-height: 1.04;
}

.stage-brand p {
  margin: 16px 0 0;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--muted);
}

.stage-metrics {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, 1fr);
}

.metric {
  padding: 18px;
  border-radius: var(--radius-lg);
  background: rgba(245, 249, 247, 0.94);
  border: 1px solid var(--line);
}

.metric span {
  display: block;
  color: var(--muted);
  font-family: "Inter", "Noto Sans KR", sans-serif;
  font-size: 0.82rem;
  margin-bottom: 8px;
}

.metric strong {
  display: block;
  font-size: 1.12rem;
  line-height: 1.35;
}

.section-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  align-items: start;
  margin-bottom: 28px;
  text-align: center;
}

.section-head h2 {
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 0.98;
}

.product-grid,
.principles-grid,
.support-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.product-card,
.principle-card,
.mini-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 18px 44px rgba(26, 43, 60, 0.08);
}

.product-media {
  aspect-ratio: 1 / 1;
  padding: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.42), rgba(241, 248, 245, 0.9));
}

.product-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 22px;
  border: 1px solid rgba(214, 228, 222, 0.82);
  box-shadow: 0 8px 18px rgba(26, 43, 60, 0.05);
  background: rgba(255, 255, 255, 0.72);
}

.product-body {
  padding: 18px 20px 22px;
}

.status-pill,
.product-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  border-radius: var(--radius-pill);
  background: rgba(244, 248, 246, 0.94);
  border: 1px solid var(--line);
}

.status-pill.live {
  color: var(--primary-deep);
}

.status-pill.build {
  color: var(--secondary);
}

.product-body h3 {
  font-family: "Space Grotesk", "Noto Sans KR", sans-serif;
  font-size: 1.46rem;
  margin-bottom: 8px;
}

.product-body p {
  margin: 0 0 12px;
}

.vision-grid {
  display: none;
}

.vision-card h3,
.principle-card h3,
.mini-card h2,
.page-card h2 {
  font-family: "Space Grotesk", "Noto Sans KR", sans-serif;
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.purpose-card {
  max-width: 720px;
  margin: 0 auto;
  padding: 30px 28px;
  text-align: center;
  border-radius: var(--radius-xl);
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(12px);
}

.purpose-card .section-lead {
  max-width: 38ch;
  margin: 14px auto 0;
}

.principle-card,
.mini-card {
  padding: 24px;
}

.principle-number {
  display: inline-flex;
  margin-bottom: 12px;
  color: var(--primary-deep);
  font-weight: 700;
}

.cta-band {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  justify-items: center;
  text-align: center;
  padding: 28px 28px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(233, 247, 242, 0.95));
}

.simple-cta {
  max-width: 720px;
  margin: 0 auto;
}

.page-main {
  padding-bottom: 88px;
}

.page-card {
  width: min(900px, 100%);
  margin: 0 auto;
}

.page-card > * + * {
  margin-top: 18px;
}

.page-card ul {
  padding-left: 20px;
}

.support-grid {
  margin-top: 28px;
}

.contact-box {
  margin-top: 28px;
  padding: 22px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: rgba(243, 248, 245, 0.9);
}

.contact-label {
  display: block;
  margin-bottom: 10px;
}

.contact-email {
  font-family: "Space Grotesk", "Noto Sans KR", sans-serif;
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.1;
  color: var(--secondary);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 8px 0 40px;
}

.footer-sub {
  margin-top: 6px;
  font-family: "Inter", "Noto Sans KR", sans-serif;
  font-size: 0.86rem;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

@media (max-width: 1100px) {
  .section-head,
  .cta-band {
    grid-template-columns: 1fr;
  }

  .cta-band {
    align-items: start;
  }
}

@media (max-width: 920px) {
  .main-nav {
    display: none;
  }

  .header-shell {
    border-radius: 28px;
  }

  .product-grid,
  .principles-grid,
  .support-grid,
  .stage-metrics {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(100% - 24px, 1160px);
  }

  .site-header {
    top: 10px;
    padding-top: 10px;
  }

  .header-shell {
    padding: 12px 14px;
    gap: 12px;
  }

  .brand-copy span {
    display: none;
  }

  .brand-wordmark img {
    width: 96px;
  }

  .hero,
  .section,
  .page-main {
    padding-top: 68px;
  }

  .main-nav {
    font-size: 0.94rem;
  }

  .lang-switcher button {
    font-size: 0.82rem;
  }

  .hero-desc,
  .section-lead,
  .product-body p,
  .vision-card p,
  .principle-card p,
  .page-card p,
  .page-card li {
    font-size: 0.97rem;
  }

  .btn,
  .text-link {
    width: 100%;
  }

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

  .product-media {
    padding: 16px;
  }

  .hero-actions,
  .cta-actions,
  .header-ctas {
    width: 100%;
  }

  .header-ctas {
    justify-content: flex-end;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}