/* KILL LINE — Shared Styles */

:root {
  --black: #0e0e12;
  --white: #f0f0f0;
  --red: #b91c1c;
  --grey: #555;
  --dark-grey: #222;
  --muted: #444;
  --bg-surface: #12161c;
}

html {
  scrollbar-gutter: stable;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: var(--black);
  color: var(--white);
  font-family: 'Barlow', -apple-system, BlinkMacSystemFont, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow-x: hidden;
}

/* Navigation */

.site-nav {
  position: sticky;
  top: 0;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: var(--black);
  border-bottom: 1px solid var(--dark-grey);
  z-index: 100;
}

.nav-brand {
  font-family: 'Bebas Neue', 'Impact', sans-serif;
  font-weight: 900;
  font-size: 20px;
  color: var(--white);
  text-decoration: none;
  letter-spacing: 4px;
  line-height: 1;
}

.nav-brand:hover {
  color: var(--red);
}

.nav-links {
  display: flex;
  gap: 24px;
}

.nav-link {
  font-family: 'Bebas Neue', 'Impact', sans-serif;
  font-weight: 400;
  font-size: 14px;
  color: var(--grey);
  text-decoration: none;
  letter-spacing: 3px;
  transition: color 0.2s;
}

.nav-link.hidden {
  display: none;
}

.nav-link.nav-divider {
  border-left: 1px solid var(--grey);
  padding-left: 24px;
}

.nav-link:hover,
.nav-link.active {
  color: var(--red);
}

/* Burger Button (hidden on desktop) */

.nav-burger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 28px;
  height: 20px;
  position: relative;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

.nav-burger span {
  display: block;
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--grey);
  border-radius: 1px;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.2s ease;
}

.nav-burger span:nth-child(1) { top: 0; }
.nav-burger span:nth-child(2) { top: 9px; }
.nav-burger span:nth-child(3) { bottom: 0; }

.nav-burger:hover span {
  background: var(--red);
}

/* Burger → X animation */
.site-nav.nav-open .nav-burger span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.site-nav.nav-open .nav-burger span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.site-nav.nav-open .nav-burger span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

.site-nav.nav-open .nav-burger span {
  background: var(--red);
}

/* Mobile Nav */

@media (max-width: 768px) {
  .nav-burger {
    display: block;
  }

  .nav-link.nav-divider {
    border-left: none;
    padding-left: 0;
    border-top: 1px solid var(--grey);
    margin-top: 4px;
    padding-top: 12px;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--black);
    border-bottom: 1px solid var(--dark-grey);
    padding: 0 24px;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.25s ease,
                padding 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .nav-link {
    opacity: 0;
    transform: translateY(-8px);
    transition: color 0.2s,
                opacity 0.25s ease,
                transform 0.25s ease;
    padding: 8px 0;
  }

  .site-nav.nav-open .nav-links {
    max-height: 400px;
    opacity: 1;
    padding: 12px 24px 16px;
  }

  .site-nav.nav-open .nav-link {
    opacity: 1;
    transform: translateY(0);
  }

  /* Staggered fade-in */
  .site-nav.nav-open .nav-link:nth-child(1) { transition-delay: 0.04s; }
  .site-nav.nav-open .nav-link:nth-child(2) { transition-delay: 0.08s; }
  .site-nav.nav-open .nav-link:nth-child(3) { transition-delay: 0.12s; }
  .site-nav.nav-open .nav-link:nth-child(4) { transition-delay: 0.16s; }
  .site-nav.nav-open .nav-link:nth-child(5) { transition-delay: 0.20s; }
  .site-nav.nav-open .nav-link:nth-child(6) { transition-delay: 0.24s; }
  .site-nav.nav-open .nav-link:nth-child(7) { transition-delay: 0.28s; }
  .site-nav.nav-open .nav-link:nth-child(8) { transition-delay: 0.32s; }
}

/* Red Line */

.red-line {
  width: 80%;
  max-width: 600px;
  height: 3px;
  background: var(--red);
  margin: 16px auto;
}

/* Footer */

.footer {
  margin-top: auto;
  padding: 60px 20px 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.footer .red-line {
  width: 60%;
  max-width: 400px;
  height: 2px;
  opacity: 0.5;
}

.footer-text {
  font-family: 'Ma Shan Zheng', 'KaiTi', serif;
  font-size: 26px;
  color: var(--red);
  opacity: 0.7;
  letter-spacing: 8px;
  margin-top: 16px;
}

/* Redacted Page System */

.page-content { display: none; }

.redacted-overlay {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  gap: 24px;
  padding: 40px 20px;
}

.redacted-text {
  font-family: 'Impact', 'Bebas Neue', sans-serif;
  font-weight: 900;
  font-size: clamp(48px, 12vw, 120px);
  color: var(--white);
  letter-spacing: 12px;
  opacity: 0.15;
}

.redacted-line {
  width: 60%;
  max-width: 400px;
  height: 3px;
  background: var(--red);
}

.redacted-zh {
  font-family: 'Ma Shan Zheng', 'KaiTi', serif;
  font-size: clamp(20px, 5vw, 36px);
  color: var(--red);
  letter-spacing: 10px;
  opacity: 0.4;
}

html.revealed .page-content { display: block; }
html.revealed .redacted-overlay { display: none; }