.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  border-bottom: 1px solid transparent;
  transition: background-color 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
}

.nav.is-scrolled {
  background: rgba(255, 255, 255, 0.85);
  border-color: var(--line);
  backdrop-filter: blur(10px);
}

.nav__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.nav__links {
  position: relative;
  display: flex;
  align-items: center;
  gap: 2rem;
  font-size: 0.95rem;
  font-weight: 500;
}

.nav__links a:not(.nav__cta) {
  color: var(--muted);
  transition: color 0.2s ease;
}

.nav__links a:not(.nav__cta):hover {
  color: var(--fg);
}

.nav__links a.is-active:not(.nav__cta) {
  color: var(--fg);
}

.nav__indicator {
  position: absolute;
  left: 0;
  bottom: -6px;
  height: 2px;
  width: 0;
  border-radius: 2px;
  background: var(--blue-500);
  opacity: 0;
  pointer-events: none;
}

.nav__cta {
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--blue-600), var(--blue-700));
  color: #fff;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.nav__links .nav__lang {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  margin-left: 0.25rem;
  padding: 0.2rem;
  border: 1px solid var(--line-interactive);
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
}

.nav__links .nav__lang a,
.nav__links .nav__lang span {
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  color: var(--muted);
}

.nav__links .nav__lang a:hover {
  color: var(--fg);
}

.nav__links .nav__lang .is-current {
  background: var(--blue-600);
  color: #fff;
}

.nav__cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 20px -10px rgba(0, 64, 200, 0.6);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
}

.nav__toggle span {
  display: block;
  height: 2px;
  background: var(--fg);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  gap: 3rem;
  max-width: var(--container);
  margin: 0 auto;
  padding: 7rem 1.5rem 4rem;
  overflow: clip;
}

.hero__glow {
  position: absolute;
  top: 50%;
  right: 4%;
  width: 34rem;
  height: 34rem;
  transform: translateY(-50%);
  background: radial-gradient(circle closest-side, rgba(0, 80, 240, 0.14), transparent);
  pointer-events: none;
  z-index: -1;
}

.hero__content {
  flex: 1 1 26rem;
  min-width: 0;
}

.hero__title {
  font-size: clamp(2.3rem, 5vw, 3.6rem);
  margin-bottom: 1.25rem;
}

.hero__title .reveal-word {
  display: inline-block;
}

.hero__lead {
  max-width: 34rem;
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero__pillars {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.hero__pillars li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero__pillars .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan-300);
}

.hero__visual {
  flex: 1 1 20rem;
  display: flex;
  justify-content: center;
}

.orbit {
  width: 100%;
  max-width: 26rem;
}

.section {
  padding: 6rem 1.5rem;
}

#contact {
  padding-bottom: 3rem;
}

.section--alt {
  background: var(--bg-soft);
  border-block: 1px solid var(--line);
}

.section__inner {
  max-width: var(--container);
  margin: 0 auto;
}

.section__head {
  max-width: 40rem;
  margin-bottom: 3rem;
}

.section__title {
  font-size: clamp(1.8rem, 3.2vw, 2.4rem);
  margin-bottom: 1rem;
}

.section__lead {
  font-size: 1.05rem;
}

.about {
  display: flex;
  align-items: flex-start;
  gap: 4rem;
}

.about__copy {
  flex: 1 1 30rem;
  max-width: 42rem;
}

.steps {
  position: relative;
  max-width: 42rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.steps__line {
  position: absolute;
  left: 22px;
  top: 0;
  width: 2px;
  height: 100%;
  overflow: visible;
}

.steps__line-track {
  stroke: var(--line);
}

.steps__line-progress {
  stroke: var(--blue-400);
}

.contact {
  display: flex;
  gap: 4rem;
  align-items: center;
}

.contact__copy {
  flex: 1 1 24rem;
}

.contact__detail {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--muted);
  margin-bottom: 0.75rem;
  transition: color 0.2s ease;
}

.contact__detail--address {
  align-items: flex-start;
}

.contact__detail--address svg {
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.contact__detail--address address {
  font-style: normal;
  line-height: 1.6;
}

a.contact__detail:hover {
  color: var(--blue-300);
}

.contact__form {
  position: relative;
  flex: 1 1 24rem;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 2.5rem 1.5rem 0;
}

.footer__inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2rem 3rem;
  justify-content: space-between;
  padding-bottom: 3rem;
}

.footer__brand p {
  margin-top: 0.75rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--fg);
}

.footer__brand-mark {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1.1rem;
}

.footer__links a {
  color: var(--muted);
  transition: color 0.2s ease;
}

.footer__links a:hover {
  color: var(--fg);
}

.footer__social {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.footer__social a {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-interactive);
  border-radius: 50%;
  color: var(--muted);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.footer__social a:hover {
  color: var(--blue-300);
  border-color: var(--blue-400);
}

.footer__bottom {
  border-top: 1px solid var(--line);
  padding: 1.5rem 0;
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
}

.footer__bottom p {
  margin: 0;
}

.error-page {
  min-height: 100svh;
  max-width: 40rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 8rem 1.5rem 4rem;
}

.error-page__visual {
  width: 100%;
  max-width: 15rem;
  margin-bottom: 1rem;
}

.error-page__copy h1 {
  font-size: clamp(1.7rem, 4vw, 2.3rem);
  margin-bottom: 0.75rem;
}

.error-page__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.75rem;
}

.error-page__links {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
  width: 100%;
}

.error-page__links-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 0.9rem;
}

.error-page__links-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem 1.75rem;
}

.error-page__links-row a {
  color: var(--blue-300);
  font-weight: 500;
  transition: color 0.2s ease;
}

.error-page__links-row a:hover {
  color: var(--blue-700);
}