:root {
  --site-bg: #14151a;
  --site-bg-deep: #0b0c0f;
  --site-surface: #1c1d22;
  --site-surface-2: #24252b;
  --site-border: #2e2f36;
  --site-border-strong: #3d3f47;
  --site-text: #ffffff;
  --site-text-2: #dcdde1;
  --site-text-3: #b4b6bd;
  --site-text-4: #888a93;
  --site-gold: #caab29;
  --site-gold-soft: rgba(202, 171, 41, 0.12);
  --site-gold-border: rgba(202, 171, 41, 0.28);
  --site-green: #6f9e5c;
  --site-blue: #6b8fb5;
  --site-orange: #d9a23e;
  --site-danger: #c95c4a;
  --site-sans: "Geist", "Pretendard", "Noto Sans KR", "Malgun Gothic", "Segoe UI", system-ui, sans-serif;
  --site-mono: "JetBrains Mono", "Cascadia Mono", "SF Mono", ui-monospace, monospace;
  --site-serif: "Instrument Serif", Georgia, "Times New Roman", serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--site-text);
  background: var(--site-bg);
  font-family: var(--site-sans);
  letter-spacing: 0;
  overflow-x: hidden;
}

body,
button,
input,
textarea,
select {
  font-family: var(--site-sans);
}

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

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

h1,
h2,
h3,
p {
  margin: 0;
  letter-spacing: 0;
}

/* Honor author line breaks (Enter) inside translatable copy. */
[data-i18n] {
  white-space: pre-line;
}

p {
  color: var(--site-text-3);
  line-height: 1.7;
  word-break: keep-all;
  overflow-wrap: break-word;
}

ul,
ol,
dl {
  margin: 0;
  padding: 0;
}

li {
  list-style: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  min-height: 72px;
  padding: 0 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(20, 21, 26, 0.9);
  backdrop-filter: blur(20px);
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  color: var(--site-gold);
  font-weight: 700;
  letter-spacing: 0;
}

.brand img,
.footer-brand img {
  width: 32px;
  height: 32px;
  object-fit: contain;
  flex: 0 0 auto;
}

.brand span {
  white-space: nowrap;
}

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

.site-nav a,
.nav-cta,
.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0;
  white-space: nowrap;
}

.site-nav a {
  padding: 0 14px;
  color: var(--site-text-3);
}

.site-nav a:hover {
  color: var(--site-text);
  background: rgba(255, 255, 255, 0.04);
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  min-width: 0;
}

.lang-toggle {
  display: inline-grid;
  grid-template-columns: repeat(2, 1fr);
  min-height: 44px;
  overflow: hidden;
  border: 1px solid var(--site-border-strong);
  border-radius: 4px;
  background: rgba(28, 29, 34, 0.72);
}

.lang-toggle button {
  min-width: 42px;
  border: 0;
  border-right: 1px solid var(--site-border-strong);
  padding: 0 10px;
  color: var(--site-text-3);
  background: transparent;
  font-family: var(--site-mono);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.lang-toggle button:last-child {
  border-right: 0;
}

.lang-toggle button[aria-pressed="true"] {
  color: var(--site-bg);
  background: var(--site-gold);
}

.lang-toggle button:focus-visible {
  outline: 2px solid var(--site-gold);
  outline-offset: 2px;
}

.nav-cta {
  padding: 0 16px;
  color: var(--site-bg);
  background: var(--site-gold);
}

.nav-cta:hover,
.button.primary:hover {
  background: #d9bc44;
}

.hero {
  position: relative;
  height: 82svh;
  min-height: 520px;
  max-height: 760px;
  overflow: hidden;
  background: var(--site-bg-deep);
}

#system-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(11, 12, 15, 0.28);
  pointer-events: none;
}

.hero-copy {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: min(760px, calc(100% - 48px));
  height: 100%;
  margin-left: max(24px, calc((100vw - 1240px) / 2));
  padding-top: 24px;
}

.kicker {
  font-family: var(--site-mono);
  color: var(--site-gold);
  font-size: 13px;
  line-height: 1.4;
  text-transform: uppercase;
  letter-spacing: 0;
}

.hero h1 {
  margin-top: 24px;
  font-family: var(--site-serif);
  font-style: italic;
  font-weight: 400;
  font-size: 84px;
  line-height: 0.98;
  letter-spacing: 0;
  color: var(--site-text);
}

.hero-lede {
  max-width: 660px;
  margin-top: 28px;
  font-size: 22px;
  line-height: 1.45;
  color: var(--site-text-2);
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  padding: 0 18px;
  border: 1px solid transparent;
}

.button.primary {
  color: var(--site-bg);
  background: var(--site-gold);
}

.button.secondary {
  color: var(--site-text-2);
  border-color: var(--site-border-strong);
  background: rgba(28, 29, 34, 0.72);
}

.button.secondary:hover {
  border-color: var(--site-gold-border);
  color: var(--site-text);
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  max-width: 820px;
  margin-top: 46px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-facts div {
  min-width: 0;
  padding: 20px 20px 0 0;
}

.hero-facts dt {
  font-family: var(--site-mono);
  font-size: 12px;
  color: var(--site-text-4);
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero-facts dd {
  margin: 8px 0 0;
  color: var(--site-text);
  font-weight: 600;
  line-height: 1.35;
}

.section {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: var(--site-bg);
}

.section:nth-of-type(odd) {
  background: #111217;
}

.section-inner {
  width: min(1240px, calc(100% - 48px));
  margin: 0 auto;
  padding: 104px 0;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.65fr);
  gap: 72px;
  align-items: end;
  margin-bottom: 44px;
}

.section-heading.compact {
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 0.6fr);
}

.section-heading h2,
.split h2,
.contact-inner h2 {
  margin-top: 16px;
  color: var(--site-text);
  font-size: 48px;
  line-height: 1.08;
  font-weight: 650;
  letter-spacing: 0;
}

.section-heading p:last-child {
  align-self: end;
}

:lang(ko) .section-heading h2,
:lang(ko) .split h2,
:lang(ko) .contact-inner h2 {
  font-family: var(--site-sans);
  font-weight: 700;
}

.product-flow {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.product-flow::before {
  content: "";
  position: absolute;
  top: 44px;
  left: 12%;
  right: 12%;
  height: 1px;
  background: var(--site-gold-border);
}

.product-card,
.feature-grid article,
.contract-panel,
.ai-stack,
.sovereign-list,
.metric-strip,
.scope-note,
.action-loop li {
  border: 1px solid var(--site-border);
  border-radius: 8px;
  background: var(--site-surface);
}

.product-card {
  position: relative;
  min-height: 410px;
  padding: 28px;
}

.product-card.is-primary {
  border-color: var(--site-gold-border);
  box-shadow: inset 0 1px 0 rgba(202, 171, 41, 0.12);
}

.product-index {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--site-gold-border);
  border-radius: 50%;
  background: var(--site-bg);
  color: var(--site-gold);
  font-family: var(--site-mono);
  font-size: 13px;
}

.product-card h3,
.feature-grid h3 {
  margin-top: 28px;
  color: var(--site-text);
  font-size: 28px;
  line-height: 1.15;
  letter-spacing: 0;
}

.product-card p {
  margin-top: 18px;
}

.product-card ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}

.product-card li,
.inline-list span {
  border: 1px solid var(--site-border-strong);
  border-radius: 4px;
  padding: 6px 10px;
  color: var(--site-text-3);
  font-family: var(--site-mono);
  font-size: 12px;
  line-height: 1.2;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(360px, 0.75fr);
  gap: 72px;
  align-items: center;
}

.split.reverse {
  grid-template-columns: minmax(360px, 0.75fr) minmax(0, 0.85fr);
}

.split > div > p:not(.kicker),
.contact-inner > p {
  margin-top: 22px;
  font-size: 18px;
}

.contract-panel {
  padding: 8px 28px;
}

.contract-row {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 16px;
  padding: 24px 0;
  border-bottom: 1px solid var(--site-border);
}

.contract-row:last-child {
  border-bottom: 0;
}

.contract-row span,
.feature-grid span,
.stack-row span,
.action-loop span {
  color: var(--site-gold);
  font-family: var(--site-mono);
  font-size: 12px;
  line-height: 1.4;
  text-transform: uppercase;
  letter-spacing: 0;
}

.contract-row strong {
  color: var(--site-text);
  font-size: 18px;
}

.contract-row p {
  grid-column: 2;
  margin-top: -8px;
  font-size: 15px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-grid article {
  min-height: 250px;
  padding: 26px;
}

.feature-grid h3 {
  margin-top: 18px;
  font-size: 24px;
}

.feature-grid p {
  margin-top: 16px;
  font-size: 15px;
}

.metric-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  overflow: hidden;
}

.metric-strip div {
  min-width: 0;
  padding: 28px;
  border-right: 1px solid var(--site-border);
}

.metric-strip div:last-child {
  border-right: 0;
}

.metric-value {
  display: block;
  color: var(--site-text);
  font-family: var(--site-mono);
  font-size: 34px;
  line-height: 1.05;
  overflow-wrap: anywhere;
}

.metric-strip div:first-child .metric-value {
  color: var(--site-gold);
}

.metric-label {
  display: block;
  margin-top: 14px;
  color: var(--site-text-4);
  font-size: 14px;
  line-height: 1.45;
}

.scope-note {
  margin-top: 18px;
  padding: 18px 22px;
  color: var(--site-text-4);
  font-size: 14px;
  line-height: 1.7;
}

.scope-note strong {
  color: var(--site-text-2);
}

.ai-stack {
  overflow: hidden;
}

.stack-row {
  display: grid;
  grid-template-columns: 128px 1fr;
  gap: 24px;
  padding: 24px 28px;
  border-bottom: 1px solid var(--site-border);
}

.stack-row:last-child {
  border-bottom: 0;
}

.stack-row strong {
  color: var(--site-text);
  line-height: 1.5;
}

.inline-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.action-loop {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  counter-reset: loop;
}

.action-loop li {
  min-height: 260px;
  padding: 26px;
}

.action-loop strong {
  display: block;
  margin-top: 44px;
  color: var(--site-text);
  font-size: 22px;
}

.action-loop p {
  margin-top: 14px;
  font-size: 15px;
}

.sovereign-list {
  padding: 10px 28px;
}

.sovereign-list div {
  padding: 24px 0;
  border-bottom: 1px solid var(--site-border);
}

.sovereign-list div:last-child {
  border-bottom: 0;
}

.sovereign-list strong,
.sovereign-list span {
  display: block;
}

.sovereign-list strong {
  color: var(--site-text);
  font-size: 20px;
}

.sovereign-list span {
  margin-top: 8px;
  color: var(--site-text-4);
  line-height: 1.55;
}

.contact-section {
  background: var(--site-bg-deep);
}

.contact-inner {
  max-width: 860px;
  text-align: left;
}

.contact-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 20px;
  margin-top: 28px;
  color: var(--site-text-4);
  font-family: var(--site-mono);
  font-size: 13px;
}

.contact-meta a {
  color: var(--site-text-3);
  transition: color 120ms ease;
}

.contact-meta a:hover {
  color: var(--site-gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.button:focus-visible,
.nav-cta:focus-visible,
.site-nav a:focus-visible,
.brand:focus-visible,
.contact-meta a:focus-visible {
  outline: 2px solid var(--site-gold);
  outline-offset: 2px;
}

.site-footer {
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: var(--site-bg-deep);
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-legal {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px 32px;
  padding-top: 22px;
  border-top: 1px solid var(--site-border);
}

.footer-company {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
  color: var(--site-text-4);
  font-size: 13px;
  line-height: 1.6;
}

.footer-company-name {
  color: var(--site-text-3);
  font-weight: 600;
}

.footer-copy {
  color: var(--site-text-4);
  font-family: var(--site-mono);
  font-size: 12px;
}

.site-footer p {
  color: var(--site-text-4);
  font-size: 14px;
}

@media (max-width: 1060px) {
  .site-header {
    grid-template-columns: 1fr auto;
    gap: 14px;
    padding: 0 20px;
  }

  .header-actions {
    grid-column: 2;
  }

  .site-nav {
    grid-column: 1 / -1;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 12px;
  }

  .site-header {
    min-height: 108px;
    align-content: center;
  }

  .hero {
    height: 78svh;
  }

  .hero h1 {
    font-size: 68px;
  }

  .section-heading,
  .section-heading.compact,
  .split,
  .split.reverse {
    grid-template-columns: 1fr;
    gap: 34px;
  }

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

  .product-flow::before {
    display: none;
  }

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

  .metric-strip div:nth-child(2) {
    border-right: 0;
  }

  .metric-strip div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--site-border);
  }
}

@media (max-width: 720px) {
  .site-header {
    min-height: 112px;
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 10px 16px 12px;
  }

  .header-actions {
    grid-column: 1;
    width: 100%;
    justify-content: stretch;
  }

  .lang-toggle {
    flex: 0 0 104px;
    min-height: 40px;
  }

  .brand span {
    font-size: 14px;
  }

  .site-nav {
    grid-column: 1;
    width: 100%;
    padding-bottom: 0;
  }

  .site-nav a {
    padding: 0 10px;
    min-height: 36px;
    font-size: 13px;
  }

  .nav-cta {
    flex: 1;
    width: auto;
    min-height: 40px;
    padding: 0 12px;
  }

  .hero {
    height: 70svh;
    min-height: 500px;
  }

  .hero-copy {
    width: calc(100% - 32px);
    max-width: 620px;
    margin-left: 16px;
    padding-top: 8px;
  }

  .hero h1 {
    margin-top: 18px;
    font-size: 48px;
  }

  .hero-lede {
    margin-top: 18px;
    font-size: 18px;
    max-width: 330px;
  }

  .hero-actions,
  .contact-actions {
    margin-top: 24px;
  }

  .button {
    width: 100%;
  }

  .hero-facts {
    grid-template-columns: 1fr;
    margin-top: 28px;
  }

  .hero-facts div {
    padding: 12px 0 0;
  }

  .section-inner {
    width: min(100% - 32px, 1240px);
    padding: 72px 0;
  }

  .section-heading {
    margin-bottom: 30px;
  }

  .section-heading h2,
  .split h2,
  .contact-inner h2 {
    font-size: 34px;
  }

  .product-flow,
  .feature-grid,
  .metric-strip,
  .action-loop {
    grid-template-columns: 1fr;
  }

  .metric-strip div,
  .metric-strip div:nth-child(2) {
    border-right: 0;
    border-bottom: 1px solid var(--site-border);
  }

  .metric-strip div:last-child {
    border-bottom: 0;
  }

  .product-card {
    min-height: 0;
  }

  .feature-grid article,
  .action-loop li {
    min-height: 0;
  }

  .contract-row,
  .stack-row {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .contract-row p {
    grid-column: 1;
    margin-top: 0;
  }

  .action-loop strong {
    margin-top: 24px;
  }

  .site-footer {
    padding: 24px 16px;
  }

  .footer-top {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

[data-i18n] {
  white-space: pre-line;
}

/* ===================== Motion & signature effects ===================== */
@keyframes zg-shimmer {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

@keyframes zg-rule-draw {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.3, 0.7, 0.4, 1),
              transform 0.7s cubic-bezier(0.3, 0.7, 0.4, 1);
  will-change: opacity, transform;
}

.reveal.in-view {
  opacity: 1;
  transform: none;
}

.hero h1 {
  background-image: linear-gradient(
    100deg,
    #ffffff 0%, #ffffff 38%,
    #f0d873 48%, #caab29 54%,
    #ffffff 66%, #ffffff 100%
  );
  background-size: 220% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  animation: zg-shimmer 7s ease-in-out 1.1s infinite alternate;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(
    460px circle at var(--mx, 66%) var(--my, 46%),
    rgba(202, 171, 41, 0.18),
    rgba(202, 171, 41, 0.05) 38%,
    transparent 62%
  );
  opacity: 0;
  transition: opacity 0.45s ease;
}

.hero.cursor-active::before {
  opacity: 1;
}

.site-header {
  transition: background 0.3s ease, border-color 0.3s ease;
}

.site-header.scrolled {
  background: rgba(11, 12, 15, 0.86);
  border-bottom-color: var(--site-gold-border);
}

.site-nav a {
  position: relative;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 7px;
  height: 1px;
  background: var(--site-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.22s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.site-nav a:hover::after {
  transform: scaleX(1);
}

.product-card,
.feature-grid article,
.action-loop li {
  transition: border-color 0.2s ease,
              box-shadow 0.35s ease,
              transform 0.35s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.product-card:hover,
.feature-grid article:hover,
.action-loop li:hover {
  border-color: var(--site-gold-border);
  transform: translateY(-5px);
  box-shadow: inset 0 1px 0 rgba(202, 171, 41, 0.16),
              0 22px 48px -28px rgba(202, 171, 41, 0.5);
}

.product-flow::before {
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.95s cubic-bezier(0.3, 0.7, 0.4, 1) 0.15s;
}

.product-flow.in-view::before {
  transform: scaleX(1);
}

.button.primary,
.nav-cta {
  position: relative;
  overflow: hidden;
  transition: background 0.2s ease, box-shadow 0.35s ease,
              transform 0.2s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.button.primary:hover,
.nav-cta:hover {
  box-shadow: 0 0 0 1px rgba(202, 171, 41, 0.55),
              0 12px 34px -10px rgba(202, 171, 41, 0.55);
}

.button.primary::after,
.nav-cta::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    120deg,
    transparent 32%,
    rgba(255, 255, 255, 0.5) 50%,
    transparent 68%
  );
  transform: translateX(-130%);
  transition: transform 0.6s ease;
  pointer-events: none;
}

.button.primary:hover::after,
.nav-cta:hover::after {
  transform: translateX(130%);
}

.metric-value.counting {
  color: var(--site-gold);
  text-shadow: 0 0 22px rgba(202, 171, 41, 0.45);
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 60;
  transform: scaleX(0);
  transform-origin: left;
  background: linear-gradient(90deg, #caab29, #f5dd7a);
  box-shadow: 0 0 14px rgba(202, 171, 41, 0.6);
  will-change: transform;
}

.hero-copy.motion-ready > * {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.9s cubic-bezier(0.2, 0.7, 0.2, 1),
              transform 0.9s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.hero-copy.motion-ready.is-in > * {
  opacity: 1;
  transform: none;
}

.hero-copy.motion-ready > .hero-lede { transition-delay: 0.28s; }
.hero-copy.motion-ready > .hero-actions { transition-delay: 0.42s; }
.hero-copy.motion-ready > .hero-facts { transition-delay: 0.56s; }

@keyframes zg-ping {
  0% { box-shadow: 0 0 0 0 rgba(202, 171, 41, 0.55); }
  70% { box-shadow: 0 0 0 9px rgba(202, 171, 41, 0); }
  100% { box-shadow: 0 0 0 0 rgba(202, 171, 41, 0); }
}

.kicker::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 10px;
  border-radius: 50%;
  background: var(--site-gold);
  vertical-align: middle;
  animation: zg-ping 2.4s ease-out infinite;
}

.reveal h2 {
  clip-path: inset(0 100% 0 0);
  transition: clip-path 0.85s cubic-bezier(0.3, 0.7, 0.4, 1) 0.12s;
}

.reveal.in-view h2 {
  clip-path: inset(0 0 0 0);
}

.product-card,
.feature-grid article,
.action-loop li {
  position: relative;
  overflow: hidden;
}

.product-card::after,
.feature-grid article::after,
.action-loop li::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  background: radial-gradient(
    240px circle at var(--cx, 50%) var(--cy, 50%),
    rgba(202, 171, 41, 0.16),
    transparent 60%
  );
  transition: opacity 0.3s ease;
}

.product-card:hover::after,
.feature-grid article:hover::after,
.action-loop li:hover::after {
  opacity: 1;
}

.product-card > *,
.feature-grid article > *,
.action-loop li > * {
  position: relative;
  z-index: 1;
}

.button.secondary {
  transition: border-color 0.2s ease, color 0.2s ease,
              transform 0.2s cubic-bezier(0.2, 0.7, 0.2, 1);
}

@keyframes zg-float {
  from { transform: translate3d(-4%, -2%, 0); }
  to { transform: translate3d(6%, 5%, 0); }
}

.contact-section {
  position: relative;
  overflow: hidden;
}

.contact-section::before {
  content: "";
  position: absolute;
  inset: -25% -15%;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(620px circle at 18% 0%, rgba(202, 171, 41, 0.12), transparent 58%),
    radial-gradient(520px circle at 90% 100%, rgba(107, 143, 181, 0.08), transparent 60%);
  animation: zg-float 13s ease-in-out infinite alternate;
}

.contact-inner {
  position: relative;
  z-index: 1;
}