/* ─── Navbar ─── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: background .4s ease, backdrop-filter .4s ease, box-shadow .4s ease;
}

.nav.scrolled {
  background: rgba(17, 17, 17, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 40px;
}

.nav-logo {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 22px;
  font-weight: 900;
  color: var(--accent);
  letter-spacing: -.02em;
}

.nav-logo-en {
  font-size: 13px;
  font-weight: 400;
  color: var(--muted);
  letter-spacing: .18em;
  text-transform: uppercase;
  font-family: var(--font-mono);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  font-size: 14px;
  color: var(--muted);
  letter-spacing: .04em;
  transition: color .2s ease;
}

.nav-links a:hover {
  color: var(--text);
}

.nav-links .nav-tscore {
  font-family: var(--font-serif), serif;
  font-weight: 900;
  font-size: 14px;
  color: var(--gold) !important;
  letter-spacing: .01em;
}

.nav-links .nav-tscore em {
  font-style: normal;
  font-weight: 400;
  color: rgba(184,160,128,.6);
}

.nav-links .nav-tscore:hover {
  color: var(--gold) !important;
  opacity: .8;
}

.nav-links .nav-cta {
  padding: 7px 22px;
  background: var(--accent);
  color: #fff;
  border-radius: 40px;
  font-size: 13px;
  font-weight: 600;
  transition: background .2s ease, transform .2s ease;
}

.nav-links .nav-cta:hover {
  background: #d06840;
  color: #fff;
  transform: translateY(-1px);
}

/* ─── Footer ─── */
.footer {
  border-top: 1px solid var(--border);
  padding: 52px 0;
  text-align: center;
}

.footer-logo {
  font-size: 18px;
  font-weight: 900;
  color: var(--accent);
  margin-bottom: 10px;
}

.footer-tagline {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 28px;
  letter-spacing: .04em;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 28px;
  font-size: 13px;
  color: var(--muted);
}

.footer-links a {
  transition: color .2s;
}

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

.footer-copy {
  margin-top: 28px;
  font-size: 11px;
  color: #3a3a38;
  letter-spacing: .04em;
}

/* ─── Section common ─── */
section {
  padding: 120px 0;
}

.section-label {
  font-size: 11px;
  letter-spacing: .5em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 20px;
}

/* ─── Progress bar ─── */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: var(--accent);
  width: 0%;
  z-index: 200;
  transition: width .1s linear;
  opacity: .7;
}