/* ================================================================
   AZAZEL-EDGE — GitHub Pages stylesheet
   Terminal / hacker-ops aesthetic
   ================================================================ */

@font-face {
  font-family: 'StardosStencil';
  src: url('fonts/StardosStencilBold.ttf') format('truetype');
  font-weight: bold;
  font-style: normal;
  font-display: swap;
}

/* ----------------------------------------------------------------
   Design tokens
---------------------------------------------------------------- */
:root {
  /* Backgrounds */
  --bg:          #080c0f;
  --bg-card:     #0d1117;
  --bg-card2:    #0a0f14;
  --bg-terminal: #010409;
  --bg-topbar:   #060a0d;

  /* Accent colors */
  --green:       #00ff88;
  --green-dim:   rgba(0, 255, 136, 0.18);
  --green-glow:  rgba(0, 255, 136, 0.35);
  --cyan:        #00d4ff;
  --cyan-dim:    rgba(0, 212, 255, 0.18);
  --amber:       #ffaa00;
  --amber-dim:   rgba(255, 170, 0, 0.18);
  --orange:      #ff7c00;
  --orange-dim:  rgba(255, 124, 0, 0.18);
  --red:         #ff4444;
  --red-dim:     rgba(255, 68, 68, 0.18);
  --blue:        #58a6ff;
  --blue-dim:    rgba(88, 166, 255, 0.18);

  /* Text */
  --text:        #c9d1d9;
  --text-muted:  #8b949e;
  --text-dim:    #484f58;

  /* Borders */
  --border:      #1a2332;
  --border-hi:   #2d3848;

  /* Typography */
  --font-sans:  'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:  'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
  --font-stencil: 'StardosStencil', 'Impact', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.65;
  min-height: 100vh;
  /* Subtle noise/grid pattern overlay */
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(0, 212, 255, 0.07), transparent),
    radial-gradient(ellipse 60% 40% at 80% 100%, rgba(0, 255, 136, 0.04), transparent),
    linear-gradient(180deg, #080c0f 0%, #060a0e 100%);
}

a {
  color: var(--cyan);
  text-decoration: none;
}
a:hover {
  color: var(--green);
  text-decoration: underline;
}

/* ----------------------------------------------------------------
   Top status bar
---------------------------------------------------------------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-topbar);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.topbar-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 36px;
  display: flex;
  align-items: center;
  gap: 10px;
  overflow-x: auto;
  white-space: nowrap;
}

.topbar-label {
  color: var(--green);
  font-weight: 700;
  letter-spacing: 0.16em;
}

.topbar-sep {
  color: var(--text-dim);
}

.beacon-wrap {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--green);
}

.beacon {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 6px var(--green-glow);
  animation: pulse-beacon 2.4s ease-in-out infinite;
}

@keyframes pulse-beacon {
  0%, 100% { opacity: 1; box-shadow: 0 0 6px var(--green-glow); }
  50%       { opacity: 0.55; box-shadow: 0 0 12px var(--green-glow); }
}

.topbar-badges {
  display: flex;
  gap: 6px;
  margin-left: auto;
}

.tbadge {
  padding: 2px 8px;
  border: 1px solid var(--border-hi);
  border-radius: 3px;
  color: var(--text-muted);
  font-size: 0.68rem;
}

/* ----------------------------------------------------------------
   Page shell
---------------------------------------------------------------- */
.page-shell {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px 48px;
}

/* ----------------------------------------------------------------
   HERO
---------------------------------------------------------------- */
.hero {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  align-items: center;
  padding: 60px 0 56px;
}

.hero-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}

.hero-logo {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: rgba(0, 255, 136, 0.06);
  border: 1px solid rgba(0, 255, 136, 0.2);
  padding: 8px;
  object-fit: contain;
}

.hero-brand-text {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.hero-brand-name {
  font-family: var(--font-stencil);
  font-size: 1.3rem;
  letter-spacing: 0.2em;
  color: var(--green);
  text-shadow: 0 0 20px var(--green-glow);
}

.hero-brand-sub {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

.hero-headline {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: #e6edf3;
  margin-bottom: 20px;
}

.hero-headline .accent {
  color: var(--green);
  text-shadow: 0 0 24px var(--green-glow);
}

.hero-text {
  font-size: 1rem;
  color: var(--text);
  max-width: 38rem;
  margin-bottom: 10px;
}

.hero-text-ja {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ----------------------------------------------------------------
   Buttons
---------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 20px;
  border-radius: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 140ms ease, box-shadow 140ms ease, background 140ms ease;
  cursor: pointer;
}
.btn:hover {
  transform: translateY(-1px);
  text-decoration: none;
}

.btn-primary {
  background: var(--green);
  color: #060a0d;
  box-shadow: 0 0 18px rgba(0, 255, 136, 0.25);
}
.btn-primary:hover {
  background: #1affa0;
  box-shadow: 0 0 28px rgba(0, 255, 136, 0.4);
  color: #060a0d;
}

.btn-secondary {
  background: transparent;
  color: var(--cyan);
  border: 1px solid var(--cyan);
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.1);
}
.btn-secondary:hover {
  background: rgba(0, 212, 255, 0.08);
  color: var(--cyan);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-hi);
}
.btn-ghost:hover {
  color: var(--text);
  border-color: var(--text-dim);
}

/* ----------------------------------------------------------------
   Terminal window component
---------------------------------------------------------------- */
.terminal-window {
  background: var(--bg-terminal);
  border: 1px solid var(--border-hi);
  border-radius: 10px;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(0, 255, 136, 0.06),
    0 20px 60px rgba(0, 0, 0, 0.5),
    0 0 40px rgba(0, 255, 136, 0.04);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 10px 14px;
  background: #0d1117;
  border-bottom: 1px solid var(--border);
}

.tdot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}
.tdot-red    { background: #ff5f57; }
.tdot-yellow { background: #febc2e; }
.tdot-green  { background: #28c840; }

.ttitle {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-left: 6px;
  letter-spacing: 0.04em;
}

.terminal-body {
  padding: 18px 20px;
}

.tpre {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.7;
  white-space: pre;
  overflow-x: auto;
  tab-size: 2;
}

.tc-prompt  { color: var(--green); font-weight: 700; }
.tc-cmd     { color: #79c0ff; }
.tc-out     { color: #8b949e; }
.tc-green   { color: var(--green); }
.tc-cyan    { color: var(--cyan); }
.tc-amber   { color: var(--amber); }
.tc-red     { color: var(--red); }
.tc-dim     { color: #3a4a5a; }
.tc-comment { color: #444d56; font-style: italic; }

.tc-cursor {
  display: inline-block;
  background: var(--green);
  color: var(--bg-terminal);
  animation: blink 1.1s step-end infinite;
}

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

.terminal-wide {
  max-width: 100%;
}

/* ----------------------------------------------------------------
   Sections
---------------------------------------------------------------- */
.section {
  padding: 52px 0;
  border-top: 1px solid var(--border);
}

.section-head {
  margin-bottom: 32px;
}

.section-head h2 {
  margin-top: 8px;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--green);
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 6px;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: #e6edf3;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.section-desc {
  margin-top: 12px;
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 56rem;
}

/* ----------------------------------------------------------------
   Action cards (escalation strip)
---------------------------------------------------------------- */
.actions-strip {
  display: flex;
  align-items: stretch;
  gap: 0;
  overflow-x: auto;
  padding-bottom: 4px;
}

.action-arrow {
  display: flex;
  align-items: center;
  padding: 0 6px;
  color: var(--text-dim);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.action-card {
  flex: 1;
  min-width: 140px;
  padding: 20px 16px;
  border-radius: 8px;
  border: 1px solid;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: transform 160ms ease, box-shadow 160ms ease;
}
.action-card:hover {
  transform: translateY(-2px);
}

.action-num {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  opacity: 0.6;
}
.action-name {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}
.action-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.action-observe  { border-color: var(--blue);   background: var(--blue-dim);   }
.action-observe  .action-name { color: var(--blue);   }
.action-observe:hover  { box-shadow: 0 0 18px rgba(88, 166, 255, 0.25); }

.action-notify   { border-color: var(--cyan);   background: var(--cyan-dim);   }
.action-notify   .action-name { color: var(--cyan);   }
.action-notify:hover   { box-shadow: 0 0 18px rgba(0, 212, 255, 0.25); }

.action-throttle { border-color: var(--amber);  background: var(--amber-dim);  }
.action-throttle .action-name { color: var(--amber);  }
.action-throttle:hover { box-shadow: 0 0 18px rgba(255, 170, 0, 0.25); }

.action-redirect { border-color: var(--orange); background: var(--orange-dim); }
.action-redirect .action-name { color: var(--orange); }
.action-redirect:hover { box-shadow: 0 0 18px rgba(255, 124, 0, 0.25); }

.action-isolate  { border-color: var(--red);    background: var(--red-dim);    }
.action-isolate  .action-name { color: var(--red);    }
.action-isolate:hover  { box-shadow: 0 0 18px rgba(255, 68, 68, 0.3); }

/* ----------------------------------------------------------------
   About grid (what it is / isn't)
---------------------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
}
.about-card-dark {
  background: var(--bg-card2);
  border-color: var(--border);
}

.about-card h2 {
  margin: 8px 0 14px;
  font-size: 1.5rem;
}

.about-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.lang-ja {
  color: var(--text-dim) !important;
  font-size: 0.85rem !important;
  margin-top: 4px;
  margin-bottom: 16px !important;
}

.check-list {
  list-style: none;
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.check-list li {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text);
  padding-left: 18px;
  position: relative;
}
.check-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 700;
}
.check-list-no li::before {
  content: '✗';
  color: var(--red);
}

/* ----------------------------------------------------------------
   Architecture pipeline
---------------------------------------------------------------- */
.arch-pipeline {
  display: flex;
  align-items: flex-start;
  gap: 0;
  overflow-x: auto;
  padding: 4px 0 20px;
}

.arch-connector {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  flex-shrink: 0;
  margin-top: 36px;
}

.arch-conn-line {
  width: 48px;
  height: 2px;
  background: linear-gradient(90deg, var(--border-hi), var(--green), var(--border-hi));
  position: relative;
}
.arch-conn-line::after {
  content: '';
  position: absolute;
  right: -5px;
  top: -4px;
  border: 5px solid transparent;
  border-left-color: var(--green);
}

.arch-conn-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--text-dim);
  text-align: center;
  margin-top: 6px;
  line-height: 1.3;
}

.arch-stage {
  flex: 1;
  min-width: 180px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 16px;
}

.arch-stage-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.arch-stage-items {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}

.arch-item {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 4px 8px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-muted);
}

.arch-stage-core {
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.arch-core {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--cyan);
  display: block;
}
.arch-core-accent {
  color: var(--green);
  text-shadow: 0 0 14px var(--green-glow);
}
.arch-core-sub {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-dim);
  display: block;
  margin-top: 3px;
}

.arch-ai-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 16px;
  padding: 12px 16px;
  background: rgba(255, 170, 0, 0.04);
  border: 1px dashed rgba(255, 170, 0, 0.25);
  border-radius: 8px;
  overflow-x: auto;
  white-space: nowrap;
}

.arch-ai-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--amber);
  letter-spacing: 0.1em;
  flex-shrink: 0;
}

.arch-ai-chain {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.arch-ai-node {
  padding: 4px 10px;
  border: 1px solid rgba(255, 170, 0, 0.3);
  border-radius: 4px;
  color: var(--amber);
}

.arch-ai-note {
  font-style: italic;
  color: var(--text-dim);
  font-size: 0.7rem;
}

/* ----------------------------------------------------------------
   Features grid
---------------------------------------------------------------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}
.feature-card:hover {
  border-color: var(--border-hi);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.feature-icon-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.feature-icon {
  color: var(--green);
  font-size: 1.1rem;
  line-height: 1;
}

.feature-card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: #e6edf3;
}

.feature-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

/* ----------------------------------------------------------------
   Quick start
---------------------------------------------------------------- */
/* Uses terminal-window component above */

/* ----------------------------------------------------------------
   Use cases
---------------------------------------------------------------- */
.usecases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.usecase-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.usecase-num {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 700;
  color: rgba(0, 255, 136, 0.06);
  position: absolute;
  top: 10px;
  right: 16px;
  line-height: 1;
  user-select: none;
}

.usecase-card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: #e6edf3;
  margin-bottom: 8px;
}

.usecase-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

/* ----------------------------------------------------------------
   Docs grid
---------------------------------------------------------------- */
.docs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.docs-group {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
}

.docs-group-hdr {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--green);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.docs-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.docs-list a {
  font-family: var(--font-mono);
  font-size: 0.77rem;
  color: var(--text-muted);
  transition: color 120ms ease;
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.docs-list a:hover {
  color: var(--green);
  text-decoration: none;
}

/* ----------------------------------------------------------------
   Footer
---------------------------------------------------------------- */
.footer {
  padding: 36px 0 20px;
  border-top: 1px solid var(--border);
  margin-top: 8px;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-logo {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: rgba(0, 255, 136, 0.06);
  border: 1px solid rgba(0, 255, 136, 0.2);
  padding: 4px;
  object-fit: contain;
}

.footer-brand-name {
  font-family: var(--font-stencil);
  font-size: 1rem;
  color: var(--green);
  letter-spacing: 0.2em;
}

.footer-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  flex-wrap: wrap;
  justify-content: center;
}
.footer-meta a {
  color: var(--cyan);
}
.footer-meta a:hover {
  color: var(--green);
}

.footer-sep { color: var(--text-dim); }

.footer-note {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.06em;
}

/* ----------------------------------------------------------------
   Responsive
---------------------------------------------------------------- */
@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 40px 0 44px;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .docs-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .arch-pipeline {
    flex-direction: column;
    gap: 10px;
  }
  .arch-connector {
    margin-top: 0;
    flex-direction: row;
    padding: 0;
    gap: 8px;
  }
  .arch-conn-line {
    height: 24px;
    width: 2px;
    background: linear-gradient(180deg, var(--border-hi), var(--green), var(--border-hi));
  }
  .arch-conn-line::after {
    right: -4px;
    top: auto;
    bottom: -5px;
    border: 5px solid transparent;
    border-top-color: var(--green);
    border-left-color: transparent;
  }
  .arch-conn-label {
    margin-top: 0;
    margin-left: 8px;
  }
}

@media (max-width: 720px) {
  .page-shell {
    padding: 0 16px 40px;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .usecases-grid {
    grid-template-columns: 1fr;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .docs-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .actions-strip {
    flex-direction: column;
    gap: 8px;
  }
  .action-arrow {
    transform: rotate(90deg);
    padding: 2px 0;
    justify-content: center;
  }

  .topbar-badges {
    display: none;
  }

  h2 {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .docs-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    text-align: center;
    justify-content: center;
  }
}