/* ─── NAV ─── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background: rgba(3, 11, 26, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-base), border-color var(--transition-base);
}
.nav.scrolled {
  background: rgba(3, 11, 26, 0.95);
  border-color: var(--color-border-mid);
}
.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.nav-logo {
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.nav-logo-main {
  font-size: var(--text-lg);
  font-weight: var(--weight-extrabold);
  color: var(--color-text);
  letter-spacing: var(--tracking-tight);
  line-height: 1.1;
}
.nav-logo-main span { color: var(--color-accent); }
.nav-logo-sub {
  font-size: var(--text-xs);
  color: var(--color-text-dim);
  letter-spacing: var(--tracking-wide);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}
.nav-item {
  position: relative;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: color var(--transition-fast);
  padding-block: var(--space-sm);
}
.nav-item:hover, .nav-item.active { color: var(--color-text); }
.nav-item.has-dropdown { display: flex; align-items: center; gap: 4px; }
.nav-item.has-dropdown::after {
  content: '';
  width: 0; height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid currentColor;
  transition: transform var(--transition-fast);
}
.nav-item.has-dropdown:hover::after { transform: rotate(180deg); }
.nav-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-mid);
  border-radius: var(--radius-md);
  padding: var(--space-xs);
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(-8px);
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  box-shadow: var(--shadow-lg);
}
.nav-item.has-dropdown:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.nav-dropdown a {
  display: block;
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
}
.nav-dropdown a:hover { background: var(--color-accent-glow); color: var(--color-accent); }
.nav-cta {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-bg) !important;
  background: var(--color-accent);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  transition: background var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}
.nav-cta:hover {
  background: var(--color-white) !important;
  box-shadow: var(--shadow-glow-sm);
  transform: translateY(-1px);
  color: var(--color-bg) !important;
}
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 24px;
  cursor: pointer;
  padding: 4px;
}
.nav-hamburger span {
  height: 2px;
  width: 100%;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

/* ─── HERO ─── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: var(--nav-height);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: var(--color-gradient-hero);
  z-index: 0;
}
.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 180, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 180, 255, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 1;
}
.hero-orb-1,
.hero-orb-2 {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  z-index: 1;
  pointer-events: none;
}
.hero-orb-1 {
  width: 600px; height: 600px;
  top: -200px; right: -100px;
  background: rgba(0, 100, 200, 0.25);
  animation: orbFloat1 12s ease-in-out infinite;
}
.hero-orb-2 {
  width: 400px; height: 400px;
  bottom: -100px; left: -100px;
  background: rgba(0, 180, 255, 0.15);
  animation: orbFloat2 15s ease-in-out infinite;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-accent);
  padding: var(--space-2xs) var(--space-sm);
  background: var(--color-accent-glow);
  border: 1px solid var(--color-border-mid);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-lg);
}
.hero-title {
  font-size: var(--text-7xl);
  font-weight: var(--weight-extrabold);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-lg);
}
.hero-title .line-accent {
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: var(--text-xl);
  color: var(--color-text-muted);
  line-height: var(--leading-loose);
  margin-bottom: var(--space-xl);
  max-width: 580px;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}
.hero-scroll-hint {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}
.hero-scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

/* ─── SERVICES (Bento Grid) ─── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: 200px;
  gap: var(--space-md);
}
.bento-card { border-radius: var(--radius-xl); overflow: hidden; }
.bento-card:nth-child(1) { grid-column: span 5; grid-row: span 2; }
.bento-card:nth-child(2) { grid-column: span 4; grid-row: span 1; }
.bento-card:nth-child(3) { grid-column: span 3; grid-row: span 1; }
.bento-card:nth-child(4) { grid-column: span 4; grid-row: span 1; }
.bento-card:nth-child(5) { grid-column: span 3; grid-row: span 1; }
.bento-card:nth-child(6) { grid-column: span 4; grid-row: span 1; }

/* ─── ABOUT ─── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}
.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

/* ─── SOLUTIONS ─── */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

/* ─── WHY US ─── */
.whyus-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}
.whyus-features { display: flex; flex-direction: column; gap: var(--space-md); }

/* ─── CONTACT ─── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-2xl);
  align-items: start;
}
.contact-info-list { display: flex; flex-direction: column; gap: var(--space-md); }

/* ─── FOOTER ─── */
.footer {
  background: var(--color-bg-surface);
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-2xl) var(--space-xl);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}
.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}