/* Reset & Base */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-paper: #f9f7f2;
  --color-ink: #211e19;
  --color-muted: #8f887b;
  --color-pencil: #857f72;
  --color-rule: #ddd6c8;
  --color-accent: #b3740f;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;
  --max-width: 1100px;
  --spacing-page: 48px;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-mono);
  color: var(--color-ink);
  background: var(--color-paper);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

::selection {
  background: var(--color-accent);
  color: var(--color-paper);
}

a {
  color: var(--color-ink);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--color-accent);
}

.prompt {
  color: var(--color-accent);
}

.cursor {
  color: var(--color-accent);
  animation: blink 1.1s steps(1) infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

/* Header */
.header {
  border-bottom: 1px dashed var(--color-rule);
  width: 100%;
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 22px var(--spacing-page);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.logo {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-ink);
}

.logo-peak {
  color: var(--color-accent);
  margin-right: 8px;
}

.nav {
  display: flex;
  gap: 28px;
}

.nav a {
  font-size: 0.8rem;
  color: var(--color-muted);
}

.nav a:hover,
.nav a.active {
  color: var(--color-accent);
}

/* ASCII art */
.ascii {
  font-family: var(--font-mono);
  color: var(--color-pencil);
  line-height: 1.35;
  letter-spacing: 0;
  overflow-x: auto;
}

.ascii .lit {
  color: var(--color-accent);
}

/* Hero */
.hero {
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 96px var(--spacing-page) 72px;
  text-align: center;
}

.hero .mountain {
  display: inline-block;
  text-align: left;
  font-size: 0.95rem;
  margin-bottom: 48px;
}

.hero h1 {
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-ink);
}

/* Figures */
.figures {
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 48px var(--spacing-page) 128px;
  display: flex;
  flex-direction: column;
  gap: 104px;
}

.figure {
  display: inline-flex;
  flex-direction: column;
  gap: 20px;
}

.figure .ascii {
  font-size: 0.78rem;
}

.figure figcaption {
  font-size: 0.75rem;
  color: var(--color-muted);
  letter-spacing: 0.04em;
}

.figure figcaption .fig-no {
  color: var(--color-accent);
  margin-right: 12px;
}

.fig-left {
  align-self: flex-start;
  margin-left: 6%;
}

.fig-right {
  align-self: flex-end;
  margin-right: 6%;
}

.fig-center {
  align-self: center;
}

/* KRABS page */
.krabs-page {
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 112px var(--spacing-page) 140px;
  display: flex;
  justify-content: center;
}

.crossword {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  line-height: 1.7;
  color: var(--color-ink);
  text-align: left;
  letter-spacing: 0.05em;
  overflow-x: auto;
}

.crossword .highlight {
  font-weight: 700;
  color: var(--color-ink);
  background: rgba(179, 116, 15, 0.22);
  padding: 1px 3px;
  margin: -1px -3px;
}

/* Footer */
.footer {
  border-top: 1px dashed var(--color-rule);
  padding: 26px var(--spacing-page);
  margin-top: auto;
}

.footer-inner {
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.status {
  font-size: 0.72rem;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  50% { opacity: 0.25; }
}

.footer-text {
  font-size: 0.72rem;
  color: var(--color-muted);
}

.footer-links {
  display: flex;
  gap: 28px;
}

.footer-links a {
  font-size: 0.72rem;
  color: var(--color-muted);
}

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

@media (prefers-reduced-motion: reduce) {
  .cursor,
  .status-dot {
    animation: none;
  }
}

/* Responsive */
@media (max-width: 768px) {
  :root {
    --spacing-page: 24px;
  }

  .hero {
    padding: 56px var(--spacing-page) 40px;
  }

  .hero .mountain {
    font-size: 0.7rem;
  }

  .hero h1 {
    font-size: 0.8rem;
  }

  .figures {
    gap: 72px;
    padding-bottom: 96px;
  }

  .fig-left,
  .fig-right {
    align-self: center;
    margin-left: 0;
    margin-right: 0;
  }

  .crossword {
    font-size: 1.05rem;
  }

  .krabs-page {
    padding: 72px var(--spacing-page) 96px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 14px;
    text-align: center;
  }
}