:root {
  --rail-w: 0px;
  --topbar-h: 0px;
}

* {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.55;
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  top: -80px;
  left: 12px;
  z-index: 100;
  padding: 10px 16px;
  border: 2px solid var(--ink);
  border-radius: 4px;
  color: var(--ink);
  background: var(--surface);
  box-shadow: 3px 3px 0 var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
  transition: top 0.13s var(--ease);
}

.skip-link:focus {
  top: 12px;
}

.manual-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 52px;
  padding: 9px clamp(18px, 5vw, 44px);
  border-bottom: 2px solid var(--ink);
  background: var(--neon);
}

.manual-brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--on-accent);
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.5px;
  text-decoration: none;
}

.manual-mark {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: -3px;
}

.manual-edition {
  padding: 4px 9px;
  border: 2px solid var(--ink);
  background: var(--paper, var(--cream));
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1.5px;
}

.sheet {
  width: min(100% - 32px, 680px);
  margin: 0 auto;
  padding: 52px 0 38px;
}

.identity-card {
  position: relative;
  padding: 30px 28px 24px;
  border: 3px solid var(--ink);
  border-radius: 4px;
  background: var(--surface);
  box-shadow: 9px 9px 0 var(--ink);
}

.file-tab {
  position: absolute;
  top: -17px;
  left: 22px;
  z-index: 2;
  padding: 4px 10px;
  border: 2px solid var(--ink);
  background: var(--neon);
  box-shadow: 3px 3px 0 var(--ink);
  color: var(--on-accent);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  transform: rotate(-1.5deg);
}

.identity-grid {
  display: grid;
  grid-template-columns: 98px minmax(0, 1fr);
  gap: 22px;
  align-items: center;
}

.avatar {
  display: block;
  width: 98px;
  height: 98px;
  overflow: hidden;
  border: 2px solid var(--ink);
  border-radius: 4px;
  background: #000;
  box-shadow: 5px 5px 0 var(--ink);
  transition: transform 0.13s var(--ease), box-shadow 0.13s var(--ease);
}

.avatar:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--ink);
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.eyebrow {
  margin-bottom: 10px;
  font-size: 10px;
  font-weight: 700;
}

.identity-copy h1 {
  font-family: var(--font-display);
  font-size: clamp(2.15rem, 8vw, 3.35rem);
  font-weight: 700;
  line-height: 1.24;
  letter-spacing: -0.05em;
}

.intro {
  max-width: 570px;
  margin-top: 24px;
  color: var(--ink-2);
  font-size: 16px;
}

.identity-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 20px;
  padding-top: 15px;
  border-top: 1px dashed var(--ink-3);
}

.system-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1.4px;
  text-transform: uppercase;
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #00d084;
  box-shadow: 0 0 7px #00d084;
  animation: blink 1.5s infinite;
}

.stamp {
  display: inline-block;
  padding: 3px 7px;
  border: 1.5px solid #00a86b;
  color: #007d50;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  transform: rotate(-3deg);
}

.link-section,
.program-section {
  margin-top: 52px;
}

.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 16px;
}

.section-heading > span {
  color: var(--ink-3);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.section-label::before {
  width: 28px;
  height: 2px;
  background: var(--neon);
  content: "";
}

.door-stack {
  display: grid;
  gap: 13px;
}

.door {
  --acc: var(--neon);
  position: relative;
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr) 30px;
  gap: 15px;
  align-items: center;
  min-height: 84px;
  overflow: hidden;
  border: 2px solid var(--ink);
  border-radius: 4px;
  background: var(--surface);
  box-shadow: 5px 5px 0 var(--ink);
  text-decoration: none;
  transition: transform 0.13s var(--ease), box-shadow 0.13s var(--ease);
}

.door.a-blue { --acc: var(--blue); }
.door.a-coral { --acc: var(--coral); }
.door.a-teal { --acc: var(--teal); }

.door:hover {
  transform: translate(-3px, -3px);
  box-shadow: 8px 8px 0 var(--ink);
}

.door-index {
  align-self: stretch;
  display: grid;
  place-items: center;
  border-right: 2px solid var(--ink);
  background: var(--acc);
  color: var(--on-accent);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}

.door-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 15px 0;
}

.door-copy strong {
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: -0.3px;
}

.door-copy small {
  margin-top: 3px;
  overflow: hidden;
  color: var(--ink-2);
  font-size: 12.5px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.door-arrow {
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  transition: transform 0.13s var(--ease);
}

.door:hover .door-arrow {
  transform: translateX(3px);
}

.program-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 15px;
}

.program-card {
  display: flex;
  min-height: 142px;
  flex-direction: column;
  padding: 17px;
  border: 2px solid var(--ink);
  border-radius: 4px;
  box-shadow: 4px 4px 0 var(--ink);
  text-decoration: none;
  transition: transform 0.13s var(--ease), box-shadow 0.13s var(--ease);
}

.program-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--ink);
}

.lime-card { background: var(--neon-tint); }
.blue-card { background: var(--blue-tint); }
.coral-card { background: var(--coral-tint); }
.paper-card { background: var(--surface); }

.program-code {
  font-family: var(--font-mono);
  font-size: 8.5px;
  font-weight: 700;
  letter-spacing: 1.4px;
}

.program-card strong {
  margin-top: 10px;
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.2;
  letter-spacing: -0.3px;
}

.program-go {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed var(--ink-3);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.7px;
  text-transform: uppercase;
}

.field-note {
  position: relative;
  margin-top: 46px;
  padding: 24px 22px 20px;
  border: 3px solid var(--ink);
  background: var(--terminal-bg, #080808);
  box-shadow: 6px 6px 0 var(--ink);
  color: #f4f1ea;
}

.note-label {
  position: absolute;
  top: -14px;
  left: 18px;
  padding: 3px 9px;
  border: 2px solid var(--ink);
  background: var(--neon);
  color: var(--on-accent);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  transform: rotate(-1deg);
}

.field-note p {
  color: #f4f1ea;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
}

footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 42px;
  padding-top: 18px;
  border-top: 2px solid var(--ink);
  color: var(--ink-3);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}

footer a {
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

footer a:hover {
  background: var(--neon);
  color: var(--on-accent);
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.2; }
}

@media (max-width: 540px) {
  .manual-edition {
    font-size: 8px;
    letter-spacing: 0.8px;
  }

  .sheet {
    width: min(100% - 24px, 680px);
    padding-top: 42px;
  }

  .identity-card {
    padding: 28px 20px 21px;
  }

  .identity-grid {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 16px;
  }

  .avatar {
    width: 76px;
    height: 76px;
    box-shadow: 4px 4px 0 var(--ink);
  }

  .eyebrow {
    letter-spacing: 1.3px;
  }

  .identity-copy h1 {
    font-size: clamp(1.78rem, 9.2vw, 2.55rem);
  }

  .intro {
    font-size: 14.5px;
  }

  .door {
    grid-template-columns: 48px minmax(0, 1fr) 24px;
    gap: 11px;
  }

  .door-copy {
    padding: 13px 0;
  }

  .door-copy strong {
    font-size: 15px;
  }

  .door-copy small {
    font-size: 11px;
  }

  .program-grid {
    gap: 12px;
  }

  .program-card {
    min-height: 132px;
    padding: 14px;
  }

  .program-card strong {
    font-size: 14px;
  }

  .section-heading > span {
    display: none;
  }
}

@media (max-width: 380px) {
  .program-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}