/* ==========================================================================
   ROBO-RETRO G1 ARCHIVE — Design System
   Estetica synthwave / retro anni '80
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Audiowide&family=Inter:wght@400;500;600;700;800&family=Rajdhani:wght@500;600;700&display=swap');

:root {
  /* Palette */
  --bg-deep:        #07000f;
  --bg-mid:         #120029;
  --bg-soft:        #1f0040;
  --ink:            #f5f3ff;
  --ink-soft:       #b3a8d6;
  --ink-muted:      #6b6286;

  --neon-magenta:   #ff2d92;
  --neon-cyan:      #00f0ff;
  --neon-orange:    #ff8a3d;
  --neon-violet:    #b14aff;
  --neon-yellow:    #ffd60a;

  --autobot:        #ff3a3a;
  --autobot-glow:   #ff6b6b;
  --decepticon:     #7a4dff;
  --decepticon-glow:#a47dff;

  /* Typography */
  --font-display:   'Audiowide', system-ui, sans-serif;
  --font-tech:      'Rajdhani', 'Arial Narrow', system-ui, sans-serif;
  --font-body:      'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:      'Rajdhani', 'Arial Narrow', system-ui, sans-serif;

  /* Misc */
  --border-neon:    1px solid rgba(0, 240, 255, 0.3);
  --shadow-magenta: 0 0 24px rgba(255, 45, 146, 0.45);
  --shadow-cyan:    0 0 24px rgba(0, 240, 255, 0.45);
}

/* Reset --------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--ink);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Background atmosphere ----------------------------------------------------- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(177, 74, 255, 0.25), transparent 60%),
    radial-gradient(ellipse at 80% 100%, rgba(255, 45, 146, 0.20), transparent 55%),
    radial-gradient(ellipse at 50% 50%, rgba(0, 240, 255, 0.06), transparent 70%),
    linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-mid) 100%);
  z-index: -2;
}

/* Subtle CRT scanlines */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    rgba(255, 255, 255, 0.012) 0px,
    rgba(255, 255, 255, 0.012) 1px,
    transparent 1px,
    transparent 3px
  );
  pointer-events: none;
  z-index: 100;
  mix-blend-mode: overlay;
}

/* Navigation ---------------------------------------------------------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(7, 0, 15, 0.78);
  border-bottom: 1px solid rgba(0, 240, 255, 0.2);
  box-shadow: 0 0 40px rgba(255, 45, 146, 0.08);
}
.nav__inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.nav__brand {
  font-family: var(--font-display);
  font-size: 1.08rem;
  letter-spacing: 0.08em;
  color: var(--ink);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-shadow: 0 0 12px rgba(255, 45, 146, 0.7);
}
.nav__brand span { color: var(--neon-cyan); }
.nav__brand svg { width: 32px; height: 32px; flex-shrink: 0; }

.nav__list {
  list-style: none;
  display: flex;
  gap: 0.4rem;
  align-items: center;
  flex-wrap: wrap;
}
.nav__link {
  font-family: var(--font-tech);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  text-decoration: none;
  text-transform: uppercase;
  padding: 0.6rem 1rem;
  border: 1px solid transparent;
  border-radius: 2px;
  transition: all 0.25s ease;
  position: relative;
}
.nav__link:hover, .nav__link.active {
  color: var(--ink);
  border-color: rgba(0, 240, 255, 0.5);
  background: rgba(0, 240, 255, 0.08);
  text-shadow: 0 0 8px var(--neon-cyan);
}
.nav__toggle {
  display: none;
  background: none;
  border: 1px solid var(--neon-cyan);
  color: var(--neon-cyan);
  width: 42px;
  height: 42px;
  cursor: pointer;
  font-size: 0;
  border-radius: 2px;
  position: relative;
}
.nav__toggle::before {
  content: '';
  position: absolute;
  left: 9px;
  right: 9px;
  top: 12px;
  height: 16px;
  background:
    linear-gradient(var(--neon-cyan), var(--neon-cyan)) top / 100% 2px no-repeat,
    linear-gradient(var(--neon-cyan), var(--neon-cyan)) center / 100% 2px no-repeat,
    linear-gradient(var(--neon-cyan), var(--neon-cyan)) bottom / 100% 2px no-repeat;
  filter: drop-shadow(0 0 5px var(--neon-cyan));
}

/* Headings & utilities ------------------------------------------------------ */
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.2; letter-spacing: 0.03em; }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.6rem); }
h3 { font-family: var(--font-tech); font-weight: 700; letter-spacing: 0.04em; font-size: 1.35rem; }
h4 { font-family: var(--font-tech); font-weight: 700; font-size: 1.05rem; letter-spacing: 0.06em; }

.section-title {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
  text-transform: uppercase;
}
.section-title::before {
  content: '';
  width: 6px;
  height: 38px;
  background: linear-gradient(180deg, var(--neon-magenta), var(--neon-cyan));
  box-shadow: 0 0 14px var(--neon-magenta);
}
.section-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--neon-cyan);
  text-transform: uppercase;
  margin-bottom: 0.7rem;
}

/* Layout -------------------------------------------------------------------- */
main { max-width: 1320px; margin: 0 auto; padding: 3rem 2rem 6rem; }
section { margin-bottom: 5rem; }
p { color: var(--ink-soft); margin-bottom: 1rem; }
p strong { color: var(--ink); }
a { color: var(--neon-cyan); }

/* HERO (home page) ---------------------------------------------------------- */
.hero {
  position: relative;
  padding: 5rem 2rem 8rem;
  text-align: center;
  overflow: hidden;
  border-bottom: 1px solid rgba(0, 240, 255, 0.2);
}
.hero__grid {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) perspective(400px) rotateX(60deg);
  transform-origin: center bottom;
  width: 200%;
  height: 60%;
  background-image:
    linear-gradient(rgba(0, 240, 255, 0.4) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 45, 146, 0.3) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: none;
  z-index: -1;
  mask-image: linear-gradient(180deg, transparent, #000 25%, #000 80%, transparent);
}
.hero__sun {
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--neon-orange), var(--neon-magenta) 50%, transparent 75%);
  filter: blur(2px);
  opacity: 0.45;
  z-index: -1;
}
.hero h1 {
  font-size: clamp(2.5rem, 7vw, 5rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: linear-gradient(180deg, #fff 0%, #fff 45%, var(--neon-magenta) 50%, var(--neon-orange) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 18px rgba(255, 45, 146, 0.6));
  margin-bottom: 0.5rem;
}
.hero h1 .small {
  display: block;
  font-size: 0.4em;
  letter-spacing: 0.18em;
  margin-bottom: 0.5em;
  -webkit-text-fill-color: var(--neon-cyan);
  filter: drop-shadow(0 0 10px var(--neon-cyan));
}
.hero__sub {
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
  text-transform: uppercase;
  margin-top: 1.5rem;
}
.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 2.5rem;
  padding: 0.9rem 2rem;
  font-family: var(--font-tech);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--bg-deep);
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-magenta));
  border: none;
  cursor: pointer;
  position: relative;
  font-size: 0.85rem;
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.hero__cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(255, 45, 146, 0.5);
}

/* Card grid (home) ---------------------------------------------------------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}
.card {
  position: relative;
  padding: 2rem;
  background: linear-gradient(150deg, rgba(255, 45, 146, 0.08), rgba(0, 240, 255, 0.04));
  border: 1px solid rgba(0, 240, 255, 0.18);
  text-decoration: none;
  color: var(--ink);
  transition: transform 0.3s ease, border-color 0.3s ease;
  overflow: hidden;
  display: block;
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--neon-magenta), var(--neon-cyan));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.card:hover { transform: translateY(-4px); border-color: var(--neon-cyan); }
.card:hover::before { transform: scaleX(1); }
.card__num {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--neon-cyan);
  letter-spacing: 0.12em;
}
.card__icon { width: 56px; height: 56px; margin: 1rem 0; }
.card__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 0.03em;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}
.card__desc { font-size: 1rem; color: var(--ink-soft); line-height: 1.65; }
.card__arrow {
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  color: var(--neon-cyan);
  font-family: var(--font-mono);
  transition: transform 0.25s ease;
}
.card:hover .card__arrow { transform: translateX(6px); }

/* Stats panel --------------------------------------------------------------- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0;
  border: 1px solid rgba(0, 240, 255, 0.2);
  background: rgba(7, 0, 15, 0.5);
  margin-top: 4rem;
}
.stat {
  padding: 2rem 1.5rem;
  text-align: center;
  border-right: 1px solid rgba(0, 240, 255, 0.15);
}
.stat:last-child { border-right: none; }
.stat__value {
  font-family: var(--font-display);
  font-size: 2.5rem;
  background: linear-gradient(180deg, var(--neon-cyan), var(--neon-magenta));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: block;
  line-height: 1;
}
.stat__label {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  margin-top: 0.5rem;
  text-transform: uppercase;
}

/* Article / prose ----------------------------------------------------------- */
.prose {
  max-width: 880px;
}
.prose p { font-size: 1.05rem; margin-bottom: 1.3rem; line-height: 1.75; }
.prose h3 { color: var(--neon-cyan); margin-top: 2.5rem; margin-bottom: 1rem; }
.prose h4 { color: var(--neon-magenta); margin-top: 1.6rem; margin-bottom: 0.7rem; }
.prose ul { color: var(--ink-soft); padding-left: 1.5rem; margin-bottom: 1.3rem; }
.prose li { margin-bottom: 0.4rem; }
.prose blockquote {
  border-left: 3px solid var(--neon-magenta);
  padding: 0.5rem 0 0.5rem 1.5rem;
  margin: 1.5rem 0;
  font-style: italic;
  color: var(--ink);
  background: rgba(255, 45, 146, 0.06);
}

/* Timeline ------------------------------------------------------------------ */
.timeline {
  position: relative;
  padding-left: 2.5rem;
  margin-top: 2rem;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--neon-cyan), var(--neon-magenta));
  box-shadow: 0 0 8px var(--neon-cyan);
}
.tl-item { position: relative; margin-bottom: 2.2rem; }
.tl-item::before {
  content: '';
  position: absolute;
  left: -2.5rem;
  top: 0.4rem;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--bg-deep);
  border: 2px solid var(--neon-cyan);
  box-shadow: 0 0 10px var(--neon-cyan);
}
.tl-year {
  font-family: var(--font-display);
  color: var(--neon-magenta);
  font-size: 1.15rem;
  letter-spacing: 0.04em;
}
.tl-item p { margin-top: 0.4rem; }

/* Character grid ------------------------------------------------------------ */
.faction-tabs {
  display: flex;
  gap: 0.5rem;
  margin: 1.5rem 0 2.5rem;
  flex-wrap: wrap;
}
.tab {
  font-family: var(--font-tech);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.7rem 1.4rem;
  background: transparent;
  color: var(--ink-soft);
  border: 1px solid rgba(0, 240, 255, 0.3);
  cursor: pointer;
  transition: all 0.25s ease;
}
.tab:hover { border-color: var(--neon-cyan); color: var(--ink); }
.tab.active { background: rgba(0, 240, 255, 0.12); border-color: var(--neon-cyan); color: var(--ink); box-shadow: 0 0 16px rgba(0, 240, 255, 0.3); }
.tab[data-faction="autobot"].active { background: rgba(255, 58, 58, 0.15); border-color: var(--autobot); color: var(--autobot-glow); box-shadow: 0 0 16px rgba(255, 58, 58, 0.3); }
.tab[data-faction="decepticon"].active { background: rgba(122, 77, 255, 0.18); border-color: var(--decepticon); color: var(--decepticon-glow); box-shadow: 0 0 16px rgba(122, 77, 255, 0.3); }

.char-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.2rem;
}
.char {
  border: 1px solid rgba(0, 240, 255, 0.2);
  background: linear-gradient(165deg, rgba(31, 0, 64, 0.6), rgba(7, 0, 15, 0.8));
  padding: 1.2rem;
  position: relative;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}
.char[data-faction="autobot"] { border-left: 3px solid var(--autobot); }
.char[data-faction="decepticon"] { border-left: 3px solid var(--decepticon); }
.char:hover { transform: translateY(-3px); box-shadow: 0 8px 28px rgba(0, 240, 255, 0.18); }
.char[data-faction="autobot"]:hover { box-shadow: 0 8px 28px rgba(255, 58, 58, 0.25); }
.char[data-faction="decepticon"]:hover { box-shadow: 0 8px 28px rgba(122, 77, 255, 0.3); }

.char__faction {
  position: absolute;
  top: 0.8rem;
  right: 0.8rem;
  z-index: 2;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  padding: 4px;
  border: 1px solid rgba(0, 240, 255, 0.28);
  background: rgba(7, 0, 15, 0.82);
  border-radius: 2px;
}
.char__faction img {
  display: block;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.char__art {
  width: 100%;
  aspect-ratio: 16 / 11;
  background: radial-gradient(ellipse at center, rgba(0, 240, 255, 0.08), transparent 70%);
  border: 1px solid rgba(0, 240, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  position: relative;
  overflow: hidden;
}
.char__art svg { width: 70%; height: 70%; }
.char__art--photo {
  flex-direction: column;
  align-items: stretch;
  justify-content: stretch;
  margin: 0 0 1rem;
  aspect-ratio: auto;
  min-height: 260px;
  background: rgba(7, 0, 15, 0.72);
}
.char__art--photo img {
  display: block;
  width: 100%;
  height: 230px;
  object-fit: contain;
  background: radial-gradient(ellipse at center, rgba(0, 240, 255, 0.12), transparent 70%);
}
.char__art--photo figcaption {
  padding: 0.45rem 0.7rem 0.55rem;
  border-top: 1px solid rgba(0, 240, 255, 0.16);
  font-size: 0.78rem;
  line-height: 1.3;
  text-align: center;
}
.char__art--photo figcaption a {
  color: var(--neon-cyan);
  text-decoration: none;
}
.char__art--photo figcaption a:hover {
  text-decoration: underline;
}
.char__art::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, transparent 30%, rgba(0, 240, 255, 0.06) 50%, transparent 70%);
  pointer-events: none;
}
.char__art--photo::after {
  display: none;
}
.char__name {
  font-family: var(--font-tech);
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink);
  margin-bottom: 0.15rem;
  text-transform: uppercase;
}
.char__name-it {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--neon-cyan);
  letter-spacing: 0.08em;
  margin-bottom: 0.6rem;
  text-transform: uppercase;
}
.char__role {
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--ink-soft);
  margin-top: 0;
}
.char__alt {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--ink-muted);
  letter-spacing: 0.08em;
  margin-top: auto;
  padding-top: 0.8rem;
  text-transform: uppercase;
}
.is-hidden { display: none !important; }

/* Curiosity items ----------------------------------------------------------- */
.curio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}
.curio {
  padding: 2rem;
  background: linear-gradient(165deg, rgba(31, 0, 64, 0.5), rgba(7, 0, 15, 0.85));
  border: 1px solid rgba(177, 74, 255, 0.25);
  position: relative;
  overflow: hidden;
}
.curio::before {
  content: attr(data-num);
  position: absolute;
  top: -0.5rem;
  right: 0.8rem;
  font-family: var(--font-display);
  font-size: 5rem;
  color: rgba(255, 45, 146, 0.15);
  line-height: 1;
}
.curio h3 {
  font-family: var(--font-tech);
  font-size: 1.24rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--neon-cyan);
  margin-bottom: 0.8rem;
  text-transform: uppercase;
  position: relative;
}
.curio p { font-size: 1rem; line-height: 1.65; }

/* Media chronology ---------------------------------------------------------- */
.media-block {
  border: 1px solid rgba(0, 240, 255, 0.18);
  background: rgba(7, 0, 15, 0.5);
  padding: 1.8rem 2rem;
  margin-bottom: 1.2rem;
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 1.5rem;
  align-items: start;
}
.media-block__year {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--neon-magenta);
  filter: drop-shadow(0 0 10px rgba(255, 45, 146, 0.5));
}
.media-block__type {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--neon-cyan);
  color: var(--neon-cyan);
  margin-bottom: 0.7rem;
}
.media-block h3 {
  font-family: var(--font-tech);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}
.media-block p { font-size: 1rem; line-height: 1.65; }

/* Footer -------------------------------------------------------------------- */
footer {
  border-top: 1px solid rgba(0, 240, 255, 0.2);
  padding: 3rem 2rem;
  text-align: center;
  background: rgba(7, 0, 15, 0.6);
  margin-top: 5rem;
}
footer p {
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--ink-muted);
  text-transform: none;
  line-height: 1.55;
}
footer p + p { margin-top: 0.5rem; }

/* Responsive ---------------------------------------------------------------- */
@media (max-width: 820px) {
  .nav__inner {
    padding: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
  }
  .nav__brand {
    font-size: 0.95rem;
    letter-spacing: 0.04em;
  }
  .nav__list {
    position: static;
    flex: 1 1 100%;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    background: rgba(7, 0, 15, 0.98);
    border-bottom: 0;
    padding: 0;
    gap: 0.4rem;
  }
  .nav__list.open { display: flex; }
  .nav__link { text-align: center; padding: 0.65rem 0.8rem; }
  .nav__toggle { display: none; }
  main { padding: 2rem 1rem 4rem; }
  .stat { border-right: none; border-bottom: 1px solid rgba(0,240,255,0.15); }
  .stat:last-child { border-bottom: none; }
  .media-block { grid-template-columns: 1fr; gap: 0.5rem; }
}

@media (max-width: 520px) {
  .hero h1 {
    letter-spacing: 0.02em;
  }

  .hero h1 .small {
    letter-spacing: 0.08em;
  }

  .section-title {
    align-items: flex-start;
  }
}

/* Static content: no scroll reveal animations. */
.reveal,
.reveal.reveal-pending,
.reveal.is-visible {
  opacity: 1;
  transform: none;
  transition: none;
}

*, *::before, *::after {
  animation: none !important;
  transition: none !important;
}