.site-shell {
  position: relative;
  min-height: 100vh;
  isolation: isolate;
}

.site-main {
  position: relative;
  z-index: 2;
  padding-top: 4.35rem;
}

.scene-root {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

#scene-canvas,
.scene-fallback {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.scene-fallback {
  opacity: 0.82;
  filter: saturate(1.12);
}

.scene-static #scene-canvas {
  opacity: 0;
}

.scene-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(18px);
  opacity: 0.42;
  mix-blend-mode: screen;
}

.scene-orb-blue {
  top: 8%;
  left: -8%;
  width: min(36rem, 48vw);
  height: min(36rem, 48vw);
  background: radial-gradient(circle, rgba(78, 140, 255, 0.46), rgba(78, 140, 255, 0));
}

.scene-orb-green {
  right: -10%;
  top: 22%;
  width: min(28rem, 36vw);
  height: min(28rem, 36vw);
  background: radial-gradient(circle, rgba(46, 207, 123, 0.34), rgba(46, 207, 123, 0));
}

.scene-orb-yellow {
  left: 24%;
  bottom: -12%;
  width: min(32rem, 40vw);
  height: min(32rem, 40vw);
  background: radial-gradient(circle, rgba(240, 198, 60, 0.26), rgba(240, 198, 60, 0));
}

.container,
.container-narrow {
  width: var(--container);
  margin: 0 auto;
}

.container-narrow {
  max-width: 860px;
}

.section {
  position: relative;
  padding: var(--section-space) 0;
}

.section-tight {
  padding: var(--section-tight-space) 0;
}

.section-alt {
  background:
    linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.018), transparent),
    radial-gradient(circle at top left, rgba(78, 140, 255, 0.07), transparent 38%);
}

.card-grid {
  display: grid;
  gap: 1.1rem;
}

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

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

.info-stack {
  display: grid;
  gap: 1rem;
}

.split-panel,
.dashboard-layout,
.contact-layout,
.feedback-layout,
.auth-layout {
  display: grid;
  gap: 1rem;
  align-items: start;
}

.split-panel,
.contact-layout,
.auth-layout {
  grid-template-columns: 1.12fr 0.88fr;
}

.dashboard-layout,
.feedback-layout {
  grid-template-columns: 1.16fr 0.92fr;
}

.section-header {
  max-width: 760px;
  margin-bottom: 1.15rem;
}

.section-header h2 {
  margin-top: 0.5rem;
}

.section-header p {
  margin-top: 0.8rem;
  font-size: 0.98rem;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 200;
  padding: 0.55rem 0;
  transition: background-color var(--transition), box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}

.site-header .container {
  width: min(1480px, calc(100% - 1.25rem));
}

.site-header.is-scrolled {
  backdrop-filter: blur(18px);
  background: rgba(7, 17, 29, 0.76);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

[data-theme="light"] .site-header.is-scrolled {
  background: rgba(244, 248, 252, 0.86);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.48rem 0.68rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(10, 18, 30, 0.48);
  box-shadow: 0 18px 38px rgba(3, 10, 21, 0.16);
  backdrop-filter: blur(18px);
}

[data-theme="light"] .nav-shell {
  background: rgba(255, 255, 255, 0.76);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  flex: 0 0 auto;
  min-width: 12.5rem;
}

.brand-mark {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--blue), var(--green));
  color: #fff;
  font-family: var(--font-display);
  font-weight: 800;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand-copy {
  display: grid;
  gap: 0.1rem;
  min-width: 0;
}

.brand-copy strong {
  font-size: 0.92rem;
  white-space: nowrap;
}

.brand-copy small {
  color: var(--text-soft);
  font-size: 0.68rem;
  white-space: nowrap;
}

.nav-menu,
.nav-primary,
.nav-secondary {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.nav-menu {
  flex: 1;
  min-width: 0;
  justify-content: space-between;
}

.nav-primary {
  flex: 1;
  min-width: 0;
  flex-wrap: wrap;
  row-gap: 0.28rem;
}

.nav-secondary {
  flex: 0 0 auto;
}

.nav-link {
  padding: 0.38rem 0.52rem;
  border-radius: 999px;
  color: var(--text-muted);
  font-weight: 650;
  font-size: 0.82rem;
  line-height: 1.15;
  white-space: nowrap;
  transition: background-color var(--transition), color var(--transition), transform var(--transition);
}

.nav-link:hover,
.nav-link.is-active {
  background: rgba(78, 140, 255, 0.14);
  color: var(--text);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(78, 140, 255, 0.12);
}

.nav-toggle span {
  display: block;
  width: 1.2rem;
  height: 2px;
  margin: 0.26rem auto;
  border-radius: 999px;
  background: var(--text);
}

.site-footer {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.08);
}

.footer-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1.3fr repeat(3, minmax(0, 1fr));
  padding: 1.55rem 0 1rem;
}

.footer-brand,
.footer-column {
  display: grid;
  gap: 0.65rem;
  align-content: start;
}

.footer-column h3 {
  font-size: 1rem;
}

.footer-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.footer-list a {
  color: var(--text-muted);
}

.footer-list a:hover {
  color: var(--text);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 0.65rem;
  padding: 0.65rem 0 1.05rem;
  border-top: 1px solid var(--border);
}