:root {
  --cats-blue: #1d4ed8;
  --cats-blue-strong: #1e40af;
  --cats-teal: #0f766e;
  --cats-cyan: #0891b2;
  --cats-orange: #ea580c;
  --cats-ink: #0f172a;
  --cats-text: #1f2937;
  --cats-muted: #5b6472;
  --cats-line: #d9e0ea;
  --cats-soft: #f5f7fb;
  --cats-panel: #ffffff;
  --cats-dark: #111827;
  --cats-dark-2: #172033;
  --product-accent: var(--cats-blue);
  --product-accent-2: var(--cats-cyan);
  --product-tint: #eff6ff;
  --shadow-soft: 0 16px 42px rgba(15, 23, 42, 0.08);
  --shadow-panel: 0 18px 54px rgba(15, 23, 42, 0.14);
  color-scheme: light;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR", "Apple SD Gothic Neo", sans-serif;
  color: var(--cats-text);
  background: #fff;
  line-height: 1.65;
  word-break: keep-all;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.product-pro {
  --product-accent: #1d4ed8;
  --product-accent-2: #0f9f8f;
  --product-tint: #eef4ff;
}

body.product-sheetmetal {
  --product-accent: #0f5f7a;
  --product-accent-2: #38bdf8;
  --product-tint: #eef8fb;
}

body.product-seouldream {
  --product-accent: #0f766e;
  --product-accent-2: #ea580c;
  --product-tint: #edfdfa;
}

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

:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 3px solid #1a56db;
  outline-offset: 3px;
}

img {
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 68px;
  padding: 0 5%;
  border-bottom: 1px solid rgba(217, 224, 234, 0.86);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--cats-ink);
  font-weight: 900;
  white-space: nowrap;
}

.brand-mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: #fff;
  background: linear-gradient(135deg, var(--cats-blue), var(--product-accent));
  font-size: 13px;
  letter-spacing: 0;
  box-shadow: 0 10px 26px rgba(29, 78, 216, 0.22);
}

.brand-copy {
  display: grid;
  line-height: 1.12;
}

.brand-copy small {
  color: var(--cats-muted);
  font-size: 11px;
  font-weight: 800;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex: 1;
  min-width: 0;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--cats-muted);
  font-size: 14px;
  font-weight: 800;
  white-space: nowrap;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--product-accent);
  background: var(--product-tint);
  border-color: rgba(29, 78, 216, 0.16);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-link,
.header-cta,
.btn-primary,
.btn-secondary,
.btn-dark,
.btn-soft,
.download-link,
.release-download-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 8px;
  font-weight: 900;
  transition: border-color 0.16s ease, color 0.16s ease, background 0.16s ease, transform 0.16s ease, box-shadow 0.16s ease;
}

.header-link {
  color: var(--cats-muted);
  border: 1px solid var(--cats-line);
  background: #fff;
  font-size: 13px;
}

.header-cta,
.btn-primary {
  color: #fff;
  border: 1px solid var(--product-accent);
  background: var(--product-accent);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.16);
}

.header-link:hover,
.btn-secondary:hover,
.btn-soft:hover {
  border-color: rgba(29, 78, 216, 0.36);
  color: var(--product-accent);
}

.header-cta:hover,
.btn-primary:hover,
.download-link:hover,
.release-download-link:hover {
  transform: translateY(-1px);
}

.btn-secondary {
  color: var(--cats-ink);
  border: 1px solid var(--cats-line);
  background: #fff;
}

.btn-soft {
  color: var(--product-accent);
  border: 1px solid rgba(29, 78, 216, 0.18);
  background: var(--product-tint);
}

.hero-actions .hero-tertiary-action {
  align-self: center;
  min-height: 42px;
  padding: 0 16px;
  border-color: rgba(29, 78, 216, 0.18);
  color: var(--product-accent);
  background: var(--product-tint);
  box-shadow: none;
}

.hero-actions .hero-tertiary-action:hover {
  color: var(--cats-blue);
  border-color: rgba(29, 78, 216, 0.36);
  background: #fff;
  transform: translateY(-1px);
}

.btn-dark {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
}

.product-hero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(180deg, #fff 0%, #f8fafc 100%),
    repeating-linear-gradient(90deg, rgba(29, 78, 216, 0.035) 0 1px, transparent 1px 54px);
}

.hero-inner,
.section-inner,
.footer-inner {
  width: min(1180px, 90vw);
  margin: 0 auto;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(380px, 0.92fr);
  gap: 54px;
  align-items: center;
  min-height: 660px;
  padding: 70px 0 58px;
}

.hero-copy {
  min-width: 0;
}

.eyebrow,
.section-kicker,
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  font-weight: 900;
}

.eyebrow {
  margin-bottom: 18px;
  padding: 7px 12px;
  color: var(--product-accent);
  background: var(--product-tint);
  border: 1px solid rgba(29, 78, 216, 0.16);
  font-size: 13px;
}

.hero-title {
  max-width: 760px;
  margin: 0;
  color: var(--cats-ink);
  font-size: 56px;
  line-height: 1.08;
  letter-spacing: 0;
}

.hero-title span {
  color: var(--product-accent);
}

body.product-pro .hero-title span {
  white-space: nowrap;
}

.hero-sub {
  max-width: 660px;
  margin: 22px 0 0;
  color: #475569;
  font-size: 18px;
  line-height: 1.82;
}

.hero-actions,
.cta-actions,
.manual-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero-proof {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  max-width: 660px;
  margin-top: 30px;
}

.proof-chip {
  min-height: 82px;
  padding: 14px;
  border: 1px solid var(--cats-line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
}

.proof-chip strong {
  display: block;
  color: var(--cats-ink);
  font-size: 22px;
  line-height: 1.15;
}

.proof-chip span {
  display: block;
  margin-top: 4px;
  color: var(--cats-muted);
  font-size: 12px;
  font-weight: 800;
}

.hero-install {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  align-items: center;
  max-width: 660px;
  margin-top: 16px;
  padding: 16px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-soft);
}

.mini-label {
  display: block;
  margin-bottom: 4px;
  color: var(--product-accent);
  font-size: 11px;
  font-weight: 950;
  letter-spacing: 0;
}

.hero-install strong {
  display: block;
  color: var(--cats-ink);
  font-size: 16px;
  line-height: 1.35;
}

.hero-install span:not(.mini-label) {
  display: block;
  margin-top: 3px;
  color: var(--cats-muted);
  font-size: 13px;
  font-weight: 800;
}

.cad-chip-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 6px;
}

.cad-chip {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid rgba(29, 78, 216, 0.16);
  border-radius: 8px;
  color: var(--cats-ink);
  background: var(--product-tint);
  font-size: 12px;
  font-weight: 900;
  white-space: nowrap;
}

body.product-pro .proof-chip {
  border-color: rgba(29, 78, 216, 0.12);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.045);
}

body.product-pro .hero-install {
  border-color: rgba(29, 78, 216, 0.14);
  background:
    linear-gradient(180deg, rgba(238, 244, 255, 0.9), rgba(255, 255, 255, 0.96)),
    #fff;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.06);
}

body.product-pro .hero-install strong {
  font-weight: 900;
}

body.product-pro .cad-chip {
  color: #1e3a8a;
  border-color: rgba(29, 78, 216, 0.14);
  background: rgba(255, 255, 255, 0.78);
  font-weight: 850;
}

.hero-visual {
  min-width: 0;
}

.mock-shell {
  overflow: hidden;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow-panel);
  max-width: 560px;
  margin: 0 auto;
}

.mock-titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 44px;
  padding: 0 14px;
  border-bottom: 1px solid var(--cats-line);
  background: #f8fafc;
  color: #64748b;
  font-size: 12px;
  font-weight: 900;
}

.mock-dots {
  display: inline-flex;
  gap: 6px;
}

.mock-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #cbd5e1;
}

.mock-body {
  min-height: 430px;
  padding: 20px;
}

.command-search {
  display: grid;
  gap: 12px;
}

.search-field {
  display: flex;
  align-items: center;
  min-height: 50px;
  padding: 0 14px;
  border: 1px solid var(--cats-line);
  border-radius: 8px;
  color: #64748b;
  background: #fff;
  font-size: 14px;
  font-weight: 900;
}

.command-grid,
.icon-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.command-item,
.icon-tile,
.ribbon-item {
  border: 1px solid var(--cats-line);
  border-radius: 8px;
  background: #fff;
}

.command-item {
  display: grid;
  align-content: start;
  min-height: 138px;
  padding: 16px;
}

.command-item img {
  width: 34px;
  height: 34px;
  object-fit: contain;
  margin-bottom: 12px;
}

.command-item strong,
.icon-tile strong,
.ribbon-item strong {
  display: block;
  color: var(--cats-ink);
  font-size: 14px;
  line-height: 1.3;
}

.command-item span,
.icon-tile span,
.ribbon-item span {
  display: block;
  margin-top: 4px;
  color: var(--cats-muted);
  font-size: 12px;
  line-height: 1.45;
}

.mock-flow {
  display: grid;
  gap: 8px;
  margin-top: 2px;
}

.mock-flow-row {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  min-height: 52px;
  padding: 10px;
  border: 1px solid var(--cats-line);
  border-radius: 8px;
  background: #f8fafc;
}

.mock-flow-row strong {
  display: block;
  color: var(--cats-ink);
  font-size: 13px;
  line-height: 1.25;
}

.mock-flow-row span {
  color: var(--cats-muted);
  font-size: 12px;
  font-weight: 800;
}

.mock-step {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  color: var(--product-accent);
  background: var(--product-tint);
  font-size: 12px;
  font-weight: 950;
}

.mock-status {
  color: var(--product-accent);
  font-size: 12px;
  font-weight: 950;
  white-space: nowrap;
}

.mock-cta-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 14px;
  border: 1px solid rgba(29, 78, 216, 0.18);
  border-radius: 8px;
  background: var(--product-tint);
}

.mock-cta-strip strong {
  display: block;
  color: var(--cats-ink);
  font-size: 14px;
  line-height: 1.3;
}

.mock-cta-strip span:not(.mock-status) {
  display: block;
  margin-top: 3px;
  color: var(--cats-muted);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.45;
}

.mock-cta-strip > .mock-status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  color: var(--product-accent);
  background: rgba(29, 78, 216, 0.1);
}

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

.icon-tile {
  min-height: 112px;
  padding: 14px;
}

.icon-tile img,
.ribbon-item img {
  width: 34px;
  height: 34px;
  object-fit: contain;
  margin-bottom: 10px;
}

.cad-board {
  background: #152033;
  color: #fff;
}

.cad-board .mock-titlebar {
  border-color: rgba(255, 255, 255, 0.12);
  background: #243147;
  color: #cbd5e1;
}

.cad-workspace {
  position: relative;
  min-height: 396px;
  padding: 18px;
  background:
    linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    #162238;
  background-size: 34px 34px;
}

.ribbon-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 9px;
}

.ribbon-item {
  min-height: 96px;
  padding: 12px;
  color: #e5e7eb;
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.08);
}

.ribbon-item strong {
  color: #fff;
}

.ribbon-item span {
  color: #cbd5e1;
}

.floating-panel {
  position: absolute;
  right: 18px;
  bottom: 18px;
  width: min(300px, calc(100% - 36px));
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  color: var(--cats-text);
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.25);
}

.section {
  padding: 86px 0;
}

.section-muted {
  background: var(--cats-soft);
}

.section-dark {
  background: var(--cats-dark);
  color: #fff;
}

.section-top {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-kicker {
  color: var(--product-accent);
  font-size: 13px;
  letter-spacing: 0;
}

.section-title {
  margin: 9px 0 0;
  color: var(--cats-ink);
  font-size: 40px;
  line-height: 1.18;
  letter-spacing: 0;
}

.section-dark .section-title {
  color: #fff;
}

.section-sub {
  margin: 13px 0 0;
  color: var(--cats-muted);
  font-size: 17px;
}

.section-dark .section-sub {
  color: #cbd5e1;
}

.card-grid,
.feature-grid,
.family-grid,
.trust-grid,
.resource-grid {
  display: grid;
  gap: 16px;
}

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

.feature-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.cad-support-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.cad-support-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.cad-support-item {
  display: grid;
  align-content: center;
  min-height: 82px;
  padding: 15px;
  border: 1px solid var(--cats-line);
  border-radius: 8px;
  background: #fff;
  transition: border-color 0.16s ease, box-shadow 0.16s ease, transform 0.16s ease;
}

.cad-support-item strong {
  color: var(--cats-ink);
  font-size: 17px;
  line-height: 1.3;
}

.cad-support-item span {
  display: block;
  margin-top: 4px;
  color: var(--product-accent);
  font-size: 12px;
  font-weight: 950;
}

.cad-support-item:hover {
  transform: translateY(-1px);
  border-color: rgba(29, 78, 216, 0.3);
  box-shadow: var(--shadow-soft);
}

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

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

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

.card,
.feature-card,
.family-card,
.trust-card,
.resource-card,
.download-panel {
  border: 1px solid var(--cats-line);
  border-radius: 8px;
  background: #fff;
}

.card,
.feature-card,
.family-card,
.trust-card,
.resource-card {
  padding: 22px;
}

.card {
  min-height: 210px;
}

.feature-card {
  min-height: 160px;
}

.family-card {
  min-height: 230px;
  transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease;
}

.family-card:hover {
  transform: translateY(-2px);
  border-color: rgba(29, 78, 216, 0.28);
  box-shadow: var(--shadow-soft);
}

.card-num,
.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-bottom: 16px;
  border-radius: 8px;
  color: var(--product-accent);
  background: var(--product-tint);
  font-weight: 950;
}

.card h3,
.feature-card h3,
.family-card h3,
.trust-card h3,
.resource-card h3 {
  margin: 0 0 8px;
  color: var(--cats-ink);
  font-size: 18px;
  line-height: 1.35;
}

.section-dark .trust-card h3 {
  color: #fff;
}

.card p,
.feature-card p,
.family-card p,
.trust-card p,
.resource-card p {
  margin: 0;
  color: var(--cats-muted);
  font-size: 15px;
}

.feature-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 18px;
}

.feature-chip {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid rgba(29, 78, 216, 0.16);
  border-radius: 8px;
  color: var(--cats-ink);
  background: var(--product-tint);
  font-size: 12px;
  font-weight: 900;
  line-height: 1.2;
}

body.product-pro .feature-chip {
  min-height: 28px;
  color: #1e3a8a;
  border-color: rgba(29, 78, 216, 0.14);
  background: rgba(238, 244, 255, 0.82);
  font-weight: 850;
}

.section-comfort {
  background:
    linear-gradient(135deg, rgba(238, 244, 255, 0.92) 0%, rgba(237, 253, 250, 0.9) 100%),
    var(--cats-soft);
}

.comfort-grid,
.usecase-grid {
  display: grid;
  gap: 16px;
}

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

.comfort-card,
.usecase-card {
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.055);
}

.comfort-card {
  display: flex;
  gap: 18px;
  min-height: 164px;
  padding: 24px;
}

.comfort-icon {
  flex: 0 0 auto;
  margin-bottom: 0;
  color: #1e3a8a;
  background: rgba(238, 244, 255, 0.95);
  border: 1px solid rgba(29, 78, 216, 0.12);
  font-size: 13px;
}

.comfort-card h3,
.usecase-card h3 {
  margin: 0;
  color: var(--cats-ink);
  font-size: 18px;
  line-height: 1.35;
}

.comfort-card p,
.usecase-card p {
  margin: 10px 0 0;
  color: var(--cats-muted);
  font-size: 15px;
  line-height: 1.75;
}

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

.usecase-card {
  min-height: 300px;
  padding: 24px;
}

.usecase-head {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-bottom: 20px;
}

.usecase-head span:not(.usecase-mark) {
  display: block;
  margin-top: 3px;
  color: var(--cats-muted);
  font-size: 13px;
  font-weight: 800;
}

.usecase-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  color: #fff;
  font-size: 15px;
  font-weight: 950;
}

.usecase-mark-blue {
  background: linear-gradient(135deg, #1d4ed8, #60a5fa);
}

.usecase-mark-green {
  background: linear-gradient(135deg, #0f766e, #34d399);
}

.usecase-mark-violet {
  background: linear-gradient(135deg, #6d28d9, #a78bfa);
}

.usecase-quote {
  padding-left: 14px;
  border-left: 3px solid var(--product-accent);
  font-weight: 760;
}

.video-guide {
  padding: 66px 0;
  background: var(--cats-dark);
  color: #fff;
}

.video-guide-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(360px, 1.18fr);
  align-items: center;
  gap: 34px;
}

.video-guide-copy {
  max-width: 560px;
}

.video-guide .section-kicker {
  padding: 4px 10px;
  color: #93c5fd;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.video-guide-title {
  margin: 12px 0 0;
  color: #fff;
  font-size: 34px;
  line-height: 1.18;
  letter-spacing: 0;
}

.video-guide-sub {
  margin: 12px 0 0;
  color: #cbd5e1;
  font-size: 16px;
}

.video-guide-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.video-guide-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 8px;
  color: #fff;
  background: #ef2626;
  font-size: 16px;
  font-weight: 950;
  white-space: normal;
  text-align: center;
  box-shadow: 0 16px 34px rgba(239, 38, 38, 0.28);
  transition: transform 0.16s ease, background 0.16s ease, box-shadow 0.16s ease;
}

.video-guide-link:hover {
  transform: translateY(-1px);
  background: #dc1f1f;
  box-shadow: 0 20px 42px rgba(239, 38, 38, 0.32);
}

.play-mark {
  display: inline-block;
  flex: 0 0 auto;
  width: 0;
  height: 0;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  border-left: 13px solid #fff;
}

.video-guide-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  min-height: 260px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: #0b1220;
  box-shadow: 0 24px 54px rgba(0, 0, 0, 0.3);
}

.video-guide-frame iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

.request-guide {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.request-guide li {
  display: grid;
  grid-template-columns: 128px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 12px 13px;
  border: 1px solid var(--cats-line);
  border-radius: 8px;
  background: #f8fafc;
}

.request-guide strong {
  color: var(--cats-ink);
  font-size: 13px;
  line-height: 1.35;
}

.request-guide span {
  color: var(--cats-muted);
  font-size: 13px;
  line-height: 1.5;
  font-weight: 750;
}

.section-dark .trust-card {
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
}

.section-dark .trust-card p {
  color: #cbd5e1;
}

.family-card .pill {
  min-height: 28px;
  padding: 0 10px;
  margin-bottom: 16px;
  color: var(--product-accent);
  border: 1px solid rgba(29, 78, 216, 0.18);
  background: var(--product-tint);
  font-size: 12px;
}

.family-card.is-current {
  border-color: rgba(29, 78, 216, 0.3);
  box-shadow: inset 3px 0 0 var(--product-accent);
}

.family-card .text-link,
.resource-card .text-link {
  display: inline-flex;
  margin-top: 18px;
  color: var(--product-accent);
  font-weight: 950;
}

.family-matrix {
  display: grid;
  gap: 0;
  margin-top: 18px;
  overflow: hidden;
  border: 1px solid var(--cats-line);
  border-radius: 8px;
  background: #fff;
}

.matrix-row {
  display: grid;
  grid-template-columns: 0.8fr 1fr 1.35fr 0.95fr;
}

.matrix-row + .matrix-row {
  border-top: 1px solid var(--cats-line);
}

.matrix-head {
  background: #f8fafc;
  color: var(--cats-muted);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0;
}

.matrix-cell {
  min-width: 0;
  padding: 14px 16px;
  border-right: 1px solid var(--cats-line);
  color: var(--cats-text);
  font-size: 14px;
}

.matrix-cell:last-child {
  border-right: 0;
}

.matrix-cell strong {
  color: var(--cats-ink);
  font-size: 15px;
}

.matrix-action {
  color: var(--product-accent);
  font-weight: 950;
}

.split-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  align-items: stretch;
}

.support-number {
  display: inline-flex;
  margin: 12px 0 0;
  color: var(--cats-ink);
  font-size: 28px;
  font-weight: 950;
  line-height: 1.12;
}

.resource-card.is-license-wide {
  grid-column: span 2;
}

.license-list {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.license-list li {
  position: relative;
  padding-left: 18px;
  color: var(--cats-muted);
  font-size: 15px;
  line-height: 1.65;
}

.license-list li::before {
  content: "";
  position: absolute;
  top: 0.78em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--product-accent);
}

.license-list strong,
.license-list code,
.license-note code {
  color: var(--cats-ink);
  font-weight: 900;
}

.license-list code,
.license-note code {
  font-family: inherit;
}

.license-note {
  margin-top: 18px;
  padding: 14px 16px;
  border: 1px solid rgba(29, 78, 216, 0.22);
  border-radius: 8px;
  color: #1e3a8a;
  background: var(--product-tint);
  font-weight: 850;
  line-height: 1.58;
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 20px;
}

.price-card {
  min-width: 0;
  min-height: 132px;
  padding: 16px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 8px;
  background: #fff;
}

.price-name,
.price-desc,
.price-meta {
  display: block;
}

.price-name {
  color: var(--cats-ink);
  font-size: 13px;
  font-weight: 950;
  line-height: 1.35;
}

.price-value {
  display: block;
  margin-top: 8px;
  color: var(--product-accent);
  font-size: 26px;
  line-height: 1.12;
  font-weight: 950;
}

.price-desc {
  margin-top: 8px;
  color: var(--cats-muted);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.45;
}

.price-meta {
  margin-top: 10px;
  color: var(--cats-muted);
  font-size: 13px;
  font-style: italic;
  font-weight: 800;
}

.policy-note {
  margin-top: 18px;
  padding: 14px 16px;
  border: 1px solid rgba(239, 68, 68, 0.24);
  border-radius: 8px;
  color: #b91c1c;
  background: #fff7f7;
  font-weight: 850;
  line-height: 1.58;
}

.policy-note strong {
  color: #991b1b;
  font-weight: 950;
}

.download-panel {
  display: grid;
  gap: 18px;
  padding: 24px;
  background: #172033;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: var(--shadow-panel);
}

.download-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.13);
}

.download-title {
  color: #fff;
  font-size: 22px;
  line-height: 1.25;
  font-weight: 950;
}

.download-desc {
  margin-top: 5px;
  color: #cbd5e1;
  font-size: 14px;
}

.download-version,
.release-note-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 0 11px;
  border: 1px solid rgba(125, 211, 252, 0.38);
  border-radius: 999px;
  color: #bae6fd;
  background: rgba(14, 165, 233, 0.1);
  font-size: 12px;
  font-weight: 950;
  white-space: nowrap;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  gap: 10px;
}

.download-link,
.release-download-link {
  min-height: 58px;
  color: #082f49;
  border: 1px solid rgba(255, 255, 255, 0.26);
  background: #fff;
  text-align: center;
  font-size: 14px;
}

.download-link.is-disabled,
.release-download-link.is-disabled {
  pointer-events: none;
  color: #94a3b8;
  background: #243147;
  opacity: 0.78;
  box-shadow: none;
}

.download-status {
  color: #cbd5e1;
  font-size: 14px;
}

.latest-release-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: start;
  padding: 18px;
  border: 1px solid rgba(125, 211, 252, 0.24);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(20, 184, 166, 0.14), rgba(37, 99, 235, 0.08)),
    rgba(255, 255, 255, 0.05);
}

.latest-release-main {
  min-width: 0;
}

.latest-release-label {
  display: inline-flex;
  color: #99f6e4;
  font-size: 11px;
  font-weight: 950;
  letter-spacing: 0;
}

.latest-release-title {
  margin-top: 5px;
  color: #fff;
  font-size: 24px;
  line-height: 1.18;
  font-weight: 950;
}

.latest-release-date {
  margin-top: 3px;
  color: #aeb8c7;
  font-size: 13px;
  font-weight: 800;
}

.latest-release-highlights {
  display: grid;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.latest-release-highlights li {
  position: relative;
  padding-left: 16px;
  color: #e5e7eb;
  font-size: 14px;
  line-height: 1.5;
}

.latest-release-highlights li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--product-accent);
}

.latest-release-side {
  display: grid;
  gap: 10px;
  justify-items: end;
  min-width: 148px;
}

.latest-release-side span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 11px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  color: #ccfbf1;
  background: rgba(20, 184, 166, 0.12);
  font-size: 12px;
  font-weight: 950;
  white-space: nowrap;
}

.latest-release-support {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 13px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  font-size: 13px;
  font-weight: 950;
  white-space: nowrap;
}

.release-history {
  display: grid;
  gap: 14px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.13);
}

.release-history-toggle {
  list-style: none;
  cursor: pointer;
}

.release-history-toggle::-webkit-details-marker {
  display: none;
}

.release-history-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
}

.release-history-toggle .release-history-head::after {
  content: "업데이트 내역 접기";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  color: #e0f2fe;
  background: rgba(255, 255, 255, 0.07);
  font-size: 12px;
  font-weight: 950;
  white-space: nowrap;
}

.release-history:not([open]) .release-history-toggle .release-history-head::after {
  content: "이전 버전 보기";
}

.release-history[data-mobile-collapsible]:not([open]) .release-history-grid {
  display: none;
}

.release-history[data-mobile-collapsible].is-mobile-collapsed .release-history-grid {
  display: none;
}

.release-history-title {
  color: #fff;
  font-size: 20px;
  font-weight: 950;
}

.release-history-desc {
  margin-top: 4px;
  color: #cbd5e1;
  font-size: 14px;
}

.release-history-grid {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.release-list {
  display: grid;
  gap: 8px;
  max-height: 392px;
  overflow: auto;
  padding-right: 4px;
}

.release-item {
  width: 100%;
  min-height: 66px;
  padding: 11px 12px;
  border: 1px solid rgba(255, 255, 255, 0.17);
  border-radius: 8px;
  color: #e5e7eb;
  background: rgba(255, 255, 255, 0.05);
  cursor: pointer;
  text-align: left;
  font: inherit;
}

.release-item strong,
.release-item span {
  display: block;
}

.release-item strong {
  font-size: 15px;
  font-weight: 950;
}

.release-item span {
  margin-top: 2px;
  color: #aeb8c7;
  font-size: 12px;
}

.release-item.active {
  border-color: #7dd3fc;
  background: rgba(37, 99, 235, 0.22);
  box-shadow: inset 3px 0 0 #7dd3fc;
}

.release-note {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.17);
  border-radius: 8px;
  background: #111827;
}

.release-note-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.release-note-version {
  color: #fff;
  font-size: 24px;
  line-height: 1.16;
  font-weight: 950;
}

.release-note-date {
  margin-top: 3px;
  color: #aeb8c7;
  font-size: 13px;
}

.release-note-downloads {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.release-download-link {
  min-height: 36px;
  padding: 0 12px;
  font-size: 13px;
}

.release-note-body {
  max-height: 440px;
  overflow: auto;
  padding: 22px 24px 26px;
  color: #e5e7eb;
  font-size: 15px;
}

.release-note-body h1,
.release-note-body h2,
.release-note-body h3 {
  margin: 18px 0 8px;
  color: #fff;
  line-height: 1.25;
}

.release-note-body h1:first-child,
.release-note-body h2:first-child,
.release-note-body h3:first-child {
  margin-top: 0;
}

.release-note-body p {
  margin: 8px 0;
  color: #d5dce8;
}

.release-note-body ul,
.release-note-body ol {
  margin: 8px 0 12px 22px;
  color: #d5dce8;
}

.release-note-body li {
  margin: 5px 0;
}

.release-note-body code {
  padding: 1px 5px;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.1);
  color: #bfdbfe;
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 0.92em;
}

.release-note-empty {
  padding: 18px;
  border: 1px dashed rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  color: #cbd5e1;
  background: rgba(255, 255, 255, 0.05);
}

.cta-band {
  padding: 74px 0;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(15, 23, 42, 0.96), rgba(30, 64, 175, 0.92)),
    #0f172a;
}

.cta-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 26px;
  align-items: center;
}

.cta-title {
  margin: 0;
  color: #fff;
  font-size: 34px;
  line-height: 1.22;
}

.cta-text {
  margin: 10px 0 0;
  max-width: 740px;
  color: #dbeafe;
}

.site-footer {
  padding: 36px 0;
  color: #94a3b8;
  background: #0b1220;
  font-size: 13px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.footer-links a:hover {
  color: #fff;
}

@media (max-width: 1040px) {
  .site-header {
    flex-wrap: wrap;
    height: auto;
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .site-nav {
    order: 3;
    flex-basis: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 58px 0;
  }

  .hero-title {
    font-size: 44px;
  }

  .card-grid,
  .feature-grid,
  .family-grid,
  .trust-grid,
  .split-panel,
  .resource-grid {
    grid-template-columns: 1fr 1fr;
  }

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

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

  .matrix-row {
    grid-template-columns: 0.9fr 1fr;
  }

  .matrix-head {
    display: none;
  }

  .matrix-cell {
    border-top: 1px solid var(--cats-line);
  }

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

  .latest-release-card {
    grid-template-columns: 1fr;
  }

  .latest-release-side {
    justify-items: start;
  }

  .release-history-grid {
    grid-template-columns: 1fr;
  }

  .cta-box {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .site-header {
    min-height: 0;
    gap: 8px 10px;
    padding-left: 4%;
    padding-right: 4%;
    padding-top: 8px;
    padding-bottom: 8px;
  }

  .brand-mark {
    width: 32px;
    height: 32px;
    font-size: 12px;
  }

  .brand-copy > span {
    font-size: 13px;
  }

  .brand-copy small {
    display: none;
  }

  .site-nav {
    gap: 4px;
    padding-bottom: 0;
  }

  .site-nav a {
    min-height: 30px;
    padding: 0 9px;
    font-size: 13px;
  }

  .header-actions {
    width: auto;
    gap: 6px;
  }

  .header-actions a {
    flex: 1 1 auto;
    min-height: 34px;
    padding: 0 10px;
    font-size: 13px;
  }

  .hero-inner,
  .section-inner,
  .footer-inner {
    width: min(92%, 1180px);
  }

  .hero-inner {
    padding: 44px 0;
    gap: 32px;
  }

  body.product-pro .hero-inner {
    padding: 34px 0 38px;
    gap: 22px;
  }

  .hero-title {
    font-size: 36px;
  }

  body.product-pro .hero-title {
    font-size: 34px;
  }

  .hero-sub {
    font-size: 16px;
  }

  body.product-pro .hero-sub {
    margin-top: 16px;
    line-height: 1.65;
  }

  body.product-pro .hero-actions {
    margin-top: 22px;
  }

  body.product-pro .hero-proof {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
    margin-top: 20px;
  }

  body.product-pro .proof-chip {
    min-height: 70px;
    padding: 10px;
  }

  body.product-pro .proof-chip strong {
    font-size: 17px;
  }

  body.product-pro .proof-chip span {
    font-size: 11px;
    line-height: 1.35;
  }

  body.product-pro .hero-install {
    gap: 10px;
    margin-top: 12px;
    padding: 12px;
    box-shadow: none;
  }

  body.product-pro .hero-install span:not(.mini-label) {
    font-size: 12px;
  }

  body.product-pro .hero-install .cad-chip-row {
    display: none;
  }

  .hero-install,
  .mock-cta-strip,
  .mock-flow-row {
    grid-template-columns: 1fr;
  }

  .hero-actions .hero-tertiary-action {
    flex-basis: 100%;
    justify-content: center;
    min-height: 42px;
    padding: 0 16px;
    border: 1px solid rgba(29, 78, 216, 0.18);
    color: var(--product-accent);
    background: var(--product-tint);
    box-shadow: none;
  }

  .cad-chip-row {
    justify-content: flex-start;
  }

  .hero-proof,
  .card-grid,
  .feature-grid,
  .comfort-grid,
  .usecase-grid,
  .cad-support-grid,
  .family-grid,
  .trust-grid,
  .split-panel,
  .resource-grid,
  .command-grid,
  .icon-grid,
  .ribbon-strip {
    grid-template-columns: 1fr;
  }

  .resource-card.is-license-wide {
    grid-column: auto;
  }

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

  .cad-support-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .cad-support-item {
    min-height: 68px;
    padding: 12px;
  }

  .cad-support-item strong {
    font-size: 15px;
  }

  .matrix-row {
    grid-template-columns: 1fr;
  }

  .request-guide li {
    grid-template-columns: 1fr;
    gap: 3px;
  }

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

  body.product-pro .mock-body {
    padding: 14px;
    gap: 10px;
  }

  body.product-pro .search-field {
    min-height: 44px;
  }

  body.product-pro .command-item {
    min-height: 104px;
    padding: 12px;
  }

  body.product-pro .command-item img {
    width: 30px;
    height: 30px;
    margin-bottom: 8px;
  }

  body.product-pro .command-item span {
    display: none;
  }

  .comfort-card {
    min-height: auto;
    padding: 20px;
  }

  .usecase-card {
    min-height: auto;
    padding: 20px;
  }

  .video-guide {
    padding: 54px 0;
  }

  .video-guide-inner {
    grid-template-columns: 1fr;
    align-items: flex-start;
    gap: 24px;
  }

  .video-guide-title {
    font-size: 28px;
  }

  .video-guide-link {
    width: 100%;
    min-height: 50px;
    padding: 0 18px;
  }

  .video-guide-frame {
    width: 100%;
    min-height: auto;
  }

  .play-mark {
    flex: 0 0 auto;
  }

  .matrix-cell {
    border-right: 0;
  }

  .section {
    padding: 62px 0;
  }

  .section-title {
    font-size: 30px;
  }

  .download-head,
  .release-history-head,
  .release-note-head {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .latest-release-card {
    padding: 16px;
  }

  .latest-release-title {
    font-size: 22px;
  }

  .latest-release-side {
    min-width: 0;
  }

  .download-panel {
    padding: 18px;
  }

  .mock-body {
    min-height: auto;
  }

  .release-history-toggle .release-history-head::after {
    width: 100%;
  }

  .cad-workspace {
    min-height: 460px;
  }

  .floating-panel {
    position: static;
    width: auto;
    margin-top: 18px;
  }
}