/* Nav & global components CSS additions */

/* ====== Scroll progress ====== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gold);
  z-index: 200;
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 0.1s linear;
  box-shadow: 0 0 12px var(--gold-glow);
}

/* ====== Nav ====== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: backdrop-filter 0.3s, background 0.3s, padding 0.3s;
}
.nav.is-scrolled {
  background: var(--bg-overlay);
  backdrop-filter: blur(18px) saturate(1.2);
  -webkit-backdrop-filter: blur(18px) saturate(1.2);
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-brand {
  text-decoration: none;
  display: flex;
  align-items: center;
}

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}
.nav-links a {
  color: var(--ink-dim);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.2s;
  position: relative;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: -4px;
  height: 1px;
  background: var(--gold);
  transition: right 0.4s var(--ease-out);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { right: 0; }

.nav-cta { padding: 12px 22px; font-size: 14px; }

.nav-burger { display: none; flex-direction: column; gap: 4px; padding: 8px; }
.nav-burger span { display: block; width: 22px; height: 1.5px; background: var(--ink); transition: transform 0.3s, opacity 0.3s; }

.nav-mobile {
  display: none;
  padding: 20px var(--pad);
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--line);
  flex-direction: column;
  gap: 16px;
}
.nav-mobile a { color: var(--ink-dim); text-decoration: none; padding: 10px 0; border-bottom: 1px solid var(--line); }

@media (max-width: 900px) {
  .nav-links, .nav-cta { display: none; }
  .nav-burger { display: flex; }
  .nav-mobile { display: flex; }
}

/* ====== Section number ====== */
.section-num {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 48px;
  width: 100%;
  max-width: 240px;
}
.section-num-label { color: var(--ink-faint); }

/* ====== Marquee ====== */
.marquee {
  overflow: hidden;
  white-space: nowrap;
  width: 100%;
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.marquee-track {
  display: inline-flex;
  gap: 60px;
  animation: marqueeScroll linear infinite;
  white-space: nowrap;
}
@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}