body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--text);
  background-color: var(--bg-deep);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

[id] {
  scroll-margin-top: calc(var(--header-h) + 1rem);
}

.container {
  width: var(--container);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 1rem;
  padding: 0.5rem 1rem;
  background: var(--text);
  color: var(--bg-deep);
  border-radius: var(--radius-sm);
  font-weight: 600;
  z-index: 200;
  transform: translateY(-150%);
  transition: transform var(--dur-mid) var(--ease-out);
}

.skip-link:focus {
  transform: translateY(0);
}

/* Header */
.header {
  position: fixed;
  inset: 0 0 auto;
  height: var(--header-h);
  z-index: var(--z-header);
  display: flex;
  align-items: center;
  background: linear-gradient(
    180deg,
    rgba(6, 6, 7, 0.92) 0%,
    rgba(6, 6, 7, 0.65) 55%,
    rgba(6, 6, 7, 0) 100%
  );
  backdrop-filter: blur(10px);
  transition: background var(--dur-mid) var(--ease-out), box-shadow var(--dur-mid) var(--ease-out);
}

.header.is-scrolled {
  background: rgba(6, 6, 7, 0.86);
  backdrop-filter: blur(18px) saturate(1.15);
  -webkit-backdrop-filter: blur(18px) saturate(1.15);
  box-shadow: 0 1px 0 var(--border-subtle), 0 20px 48px -32px rgba(0, 0, 0, 0.55);
}

.header__inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  justify-content: space-between;
}

.logo {
  display: inline-flex;
  flex-direction: column;
  gap: 0.1rem;
  line-height: 1;
}

.logo__mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: var(--tracking-tight);
}

.logo__tag {
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.logo--footer .logo__mark {
  font-size: 1.25rem;
}

.nav {
  display: none;
  align-items: center;
  gap: 2.1rem;
}

.nav__link {
  font-size: var(--text-sm);
  color: var(--text-muted);
  position: relative;
  padding-block: 0.35rem;
  transition: color var(--dur-fast) var(--ease-out);
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--dur-mid) var(--ease-out);
}

.nav__link:hover {
  color: var(--text);
}

.nav__link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header__cta {
  display: none;
  margin-left: auto;
}

.menu-toggle {
  width: 46px;
  height: 46px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.02);
}

.menu-toggle__bar {
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--dur-mid) var(--ease-out), opacity var(--dur-fast);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__bar:first-child {
  transform: translateY(4.5px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__bar:last-child {
  transform: translateY(-4.5px) rotate(-45deg);
}

.mobile-drawer {
  position: fixed;
  inset: 0;
  z-index: var(--z-drawer);
  background: rgba(6, 6, 7, 0.7);
  backdrop-filter: blur(14px);
  padding: calc(var(--header-h) + 1.25rem) var(--container-gutter) 2rem;
  display: flex;
  flex-direction: column;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-mid) var(--ease-out);
}

.mobile-drawer.is-open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-drawer__nav {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transform: translateY(0.75rem);
  opacity: 0;
  transition: transform 0.4s var(--ease-out), opacity 0.35s var(--ease-out);
}

.mobile-drawer.is-open .mobile-drawer__nav {
  transform: translateY(0);
  opacity: 1;
}

.mobile-drawer__link {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.mobile-drawer__cta {
  margin-top: 1rem;
  text-align: center;
}

@media (min-width: 900px) {
  .header__inner {
    gap: 2rem;
  }

  .nav,
  .header__cta {
    display: flex;
  }

  .menu-toggle {
    display: none;
  }

  .mobile-drawer {
    display: none !important;
  }
}

@media (min-width: 1200px) {
  .logo__mark {
    font-size: 1.22rem;
  }

  .header__inner {
    gap: 2.5rem;
  }
}

/* Footer */
.footer {
  padding-block: clamp(2.75rem, 5vw, 4rem) clamp(2.25rem, 4vw, 3rem);
  border-top: 1px solid var(--border-subtle);
  background: linear-gradient(180deg, rgba(13, 14, 18, 0.98) 0%, rgba(8, 9, 12, 1) 100%);
  position: relative;
}

.footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(125, 211, 252, 0.28), transparent);
  pointer-events: none;
}

.footer__grid {
  display: grid;
  gap: clamp(2.25rem, 4vw, 3.25rem);
  grid-template-columns: 1fr;
  position: relative;
  z-index: 1;
}

.footer__col {
  min-width: 0;
}

.footer__desc {
  margin-top: 1rem;
  color: var(--text-muted);
  max-width: 38ch;
  font-size: var(--text-sm);
  line-height: 1.65;
}

.footer__label {
  display: block;
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 0.75rem;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer__link {
  color: var(--text-muted);
  font-size: var(--text-sm);
  transition: color var(--dur-mid) var(--ease-out);
  position: relative;
  display: inline-block;
  width: fit-content;
  padding-block: 0.15rem;
}

.footer__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: currentColor;
  opacity: 0.65;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--dur-mid) var(--ease-out);
}

.footer__link:hover {
  color: var(--accent);
}

.footer__link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.footer__bottom {
  margin-top: clamp(2rem, 3vw, 2.75rem);
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  z-index: 1;
}

.footer__copy {
  font-size: var(--text-xs);
  color: #8f96a3;
  text-align: center;
}

@media (min-width: 768px) {
  .footer__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }
}

@media (min-width: 1200px) {
  .footer__grid {
    grid-template-columns: 1.35fr 0.8fr 0.95fr 0.8fr;
    gap: clamp(2.5rem, 4vw, 4rem);
  }

  .footer__copy {
    text-align: left;
  }
}