/* =========================================================
   NAV
   ========================================================= */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2rem;
  transition: background var(--t-med), backdrop-filter var(--t-med), border-color var(--t-med);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(7, 7, 26, 0.72);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom-color: var(--border-subtle);
}
.nav__brand { display: flex; align-items: center; gap: 0.75rem; }
.nav__brand-mark {
  width: 40px; height: 40px;
  border-radius: 11px;
  background: var(--gradient-primary);
  display: grid;
  place-items: center;
  color: #07071A;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.04em;
  position: relative;
  box-shadow: 0 4px 24px rgba(110, 59, 255, 0.35);
}
.nav__brand-mark::after {
  content: "";
  position: absolute; inset: 1px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.4), transparent 40%);
  pointer-events: none;
}
.nav__brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.nav__brand-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}
.nav__brand-sub {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  margin-top: 2px;
}
.nav__cta { display: flex; align-items: center; gap: 1rem; }

.nav__pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
}
.nav__pill::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
}

/* =========================================================
   DRAWER
   ========================================================= */
.drawer {
  position: fixed; inset: 0;
  background: linear-gradient(180deg, rgba(7, 7, 26, 0.97), rgba(14, 11, 36, 0.99));
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  display: flex;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-med);
}
.drawer.is-open { opacity: 1; pointer-events: auto; }
.drawer__inner {
  width: 100%;
  max-width: var(--container-max);
  margin: auto;
  padding: 5rem 2rem 4rem;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 4rem;
  align-items: start;
}
.drawer__close {
  position: absolute;
  top: 1.4rem; right: 2rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-secondary);
}
.drawer__close:hover { color: var(--text-primary); }
.drawer__menu { display: flex; flex-direction: column; gap: 1.25rem; }
.drawer__menu a {
  display: inline-flex;
  align-items: baseline;
  gap: 1.25rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.4vw, 3.5rem);
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: -0.025em;
  line-height: 1;
  transition: color var(--t-fast), transform var(--t-fast);
}
.drawer__menu a:hover { color: var(--accent-cyan); transform: translateX(8px); }
.drawer__menu a span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--text-muted);
}
.drawer__aside {
  border-left: 1px solid var(--border-subtle);
  padding-left: 3rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  color: var(--text-secondary);
}
.drawer__aside h4 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}
.drawer__aside p { font-size: 0.9375rem; line-height: 1.55; }
.drawer__aside a:hover { color: var(--text-primary); }

/* =========================================================
   HERO
   ========================================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 140px;
  padding-bottom: 6rem;
  overflow: hidden;
}
.hero__inner { position: relative; z-index: 2; width: 100%; }
.hero__title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6.8vw, 6.75rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 0.95;
  margin-block: 2rem 1.75rem;
  max-width: 17ch;
}
.hero__title em {
  font-style: normal;
  font-weight: 600;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__lede {
  max-width: 56ch;
  font-size: 1.125rem;
  color: var(--text-secondary);
}
.hero__cta-row {
  display: flex; gap: 1rem; flex-wrap: wrap;
  margin-top: 2.5rem;
}
.hero__meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem 2rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 2rem;
  margin-top: 4.5rem;
  max-width: 920px;
}
.hero__meta-item { display: flex; flex-direction: column; gap: 0.4rem; }
.hero__meta-key {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.hero__meta-val { font-size: 0.95rem; color: var(--text-primary); }

/* Hero backdrop */
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.55;
  will-change: transform;
}
.orb--1 {
  width: 540px; height: 540px;
  background: radial-gradient(circle, #FF2EA6 0%, transparent 65%);
  top: -120px; right: -120px;
}
.orb--2 {
  width: 640px; height: 640px;
  background: radial-gradient(circle, #6E3BFF 0%, transparent 65%);
  bottom: -200px; left: -160px;
}
.orb--3 {
  width: 380px; height: 380px;
  background: radial-gradient(circle, #00F0FF 0%, transparent 65%);
  top: 38%; left: 42%;
  opacity: 0.32;
}
.hero__grid-overlay {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 70% at center, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at center, black 30%, transparent 75%);
}

/* =========================================================
   SECTION-LEVEL GRIDS
   ========================================================= */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.platform {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 5rem;
  align-items: center;
}

.industries {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem 3rem;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding-block: 3rem;
}

.compliance {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.cta-band {
  position: relative;
  margin-block: 2rem 6rem;
  padding: 5rem 4rem;
  border-radius: var(--radius-xl);
  background:
    radial-gradient(at 0% 50%, rgba(255, 46, 166, 0.35), transparent 55%),
    radial-gradient(at 100% 50%, rgba(0, 240, 255, 0.35), transparent 55%),
    var(--bg-elev-2);
  border: 1px solid var(--border-strong);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 3rem;
  align-items: center;
}
.cta-band__lede {
  max-width: 44ch;
  font-size: 1.0625rem;
  margin-top: 1rem;
}
.cta-band__actions {
  display: flex; flex-direction: column; gap: 1rem;
  align-items: flex-start;
}

/* =========================================================
   FOOTER
   ========================================================= */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 5rem 0 3rem;
  background: linear-gradient(180deg, var(--bg-base), var(--bg-elev-1));
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 3rem;
}
.footer__brand-name {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 600;
}
.footer__brand-sub {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  letter-spacing: 0.04em;
}
.footer__brand-zh {
  margin-top: 0.85rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}
.footer__copy { color: var(--text-secondary); margin-top: 1rem; max-width: 36ch; font-size: 0.9rem; }
.footer__col h4 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}
.footer__col ul li { margin-bottom: 0.75rem; font-size: 0.9375rem; }
.footer__col a { color: var(--text-secondary); transition: color var(--t-fast); }
.footer__col a:hover { color: var(--text-primary); }
.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-subtle);
  margin-top: 4rem;
  padding-top: 2rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}
.footer__bottom span { letter-spacing: 0.04em; }