/* ============================================================
   CC-STATUS — Cockpit HUD / Evangelion Interface
   Orbitron + Chakra Petch · Orange amber on deep dark
   Targeting brackets · sweep line · angular panels
   ============================================================ */

:root {
  --bg: #0B0C10;
  --surface: #12131B;
  --surface-hi: #1A1B26;
  --border: #1E2030;
  --border-hi: #2A2C42;
  --dim: #3E4060;
  --muted: #6B6E8A;
  --text: #A8AAC0;
  --bright: #D4D5E4;
  --white: #EDEFF8;

  --accent: #FF6B1A;
  --accent-dim: rgba(255, 107, 26, 0.15);
  --accent-faint: rgba(255, 107, 26, 0.06);
  --accent-glow: rgba(255, 107, 26, 0.30);
  --accent-hover: #FF8A42;
  --purple: #8B5CF6;
  --purple-dim: rgba(139, 92, 246, 0.10);
  --green: #34D399;

  --ansi-green: #87d7af;
  --ansi-cyan: #5fd7d7;
  --ansi-magenta: #d7afd7;
  --ansi-white: #d0d0d0;
  --ansi-dim: #5a5a64;
  --term-text: #a0a0ae;

  --display: 'Orbitron', system-ui, sans-serif;
  --body: 'Chakra Petch', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', monospace;

  --maxw: 1040px;
  --pad: clamp(20px, 5vw, 48px);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 64px;
}

body {
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── Dot grid overlay — HUD targeting grid ── */
.dot-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 1;
  background-image: radial-gradient(circle, rgba(255, 107, 26, 0.045) 1px, transparent 1px);
  background-size: 40px 40px;
}

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

a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-hover); }

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
  position: relative;
  z-index: 1;
}

/* ═══════════════════════════════════════════
   HEADER
   ═══════════════════════════════════════════ */

header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  background: rgba(11, 12, 16, 0.88);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  height: 56px;
  gap: 16px;
}

.logo {
  font-family: var(--display);
  font-size: 13px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.08em;
}
.logo:hover { color: var(--white); }
.logo-sep { color: var(--accent); }

.sys-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--green);
  padding: 3px 10px;
  border: 1px solid rgba(52, 211, 153, 0.2);
  background: rgba(52, 211, 153, 0.05);
}

.sys-dot {
  width: 6px;
  height: 6px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

header nav {
  display: flex;
  gap: 24px;
  margin-left: auto;
  align-items: center;
}
header nav a {
  color: var(--dim);
  font-family: var(--display);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.1em;
  padding: 12px 0;
  transition: color 0.2s;
}
header nav a:hover { color: var(--accent); }

.nav-gh {
  color: var(--dim);
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  margin-left: 4px;
  transition: color 0.2s;
}
.nav-gh:hover { color: var(--muted); }

/* Hamburger toggle — hidden on desktop */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 44px;
  height: 44px;
  padding: 12px;
  background: none;
  border: 1px solid var(--border);
  cursor: pointer;
  margin-left: auto;
}
.nav-toggle span {
  display: block;
  height: 1.5px;
  background: var(--muted);
  transition: transform 0.2s, opacity 0.2s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

/* ═══════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════ */

.hero {
  padding: 80px 0 64px;
  text-align: center;
}

.hero-text {
  max-width: 640px;
  margin: 0 auto 52px;
}

.designation {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 16px;
  padding: 4px 14px;
  border: 1px solid var(--accent-dim);
  background: var(--accent-faint);
}

.hero h1 {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(48px, 8vw, 88px);
  color: var(--white);
  line-height: 1;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
  text-shadow: 0 0 60px var(--accent-glow);
}

.hero-sub {
  font-family: var(--body);
  font-size: 20px;
  font-weight: 400;
  color: var(--bright);
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}

.hero-desc {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.6;
}

/* ═══════════════════════════════════════════
   HUD FRAME — targeting brackets around terminal
   ═══════════════════════════════════════════ */

.hud-frame {
  position: relative;
  max-width: 700px;
  margin: 0 auto 44px;
  padding: 12px;
}

.hud-c {
  position: absolute;
  width: 24px;
  height: 24px;
  z-index: 2;
}
.hud-c.tl { top: 0;  left: 0;  border-top: 2px solid var(--accent); border-left: 2px solid var(--accent); }
.hud-c.tr { top: 0;  right: 0; border-top: 2px solid var(--accent); border-right: 2px solid var(--accent); }
.hud-c.bl { bottom: 0; left: 0;  border-bottom: 2px solid var(--accent); border-left: 2px solid var(--accent); }
.hud-c.br { bottom: 0; right: 0; border-bottom: 2px solid var(--accent); border-right: 2px solid var(--accent); }

.hud-label-l,
.hud-label-r {
  position: absolute;
  top: -20px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--dim);
  z-index: 2;
}
.hud-label-l { left: 12px; }
.hud-label-r {
  right: 12px;
  color: var(--accent);
  animation: pulse-dot 2s ease-in-out infinite;
}

.terminal {
  background: var(--surface);
  border: 1px solid var(--border-hi);
  overflow: hidden;
  position: relative;
}

.terminal-body {
  position: relative;
}

.terminal-conv {
  padding: 18px 20px;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.7;
  white-space: pre-wrap;
  color: var(--term-text);
}

.terminal-sep {
  height: 1px;
  background: var(--border-hi);
  position: relative;
}
.terminal-sep span {
  position: absolute;
  top: 50%;
  left: 16px;
  transform: translateY(-50%);
  background: var(--surface);
  padding: 0 10px;
  font-family: var(--display);
  font-size: 8px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.terminal-status {
  padding: 10px 20px 14px;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.65;
  white-space: pre;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* ANSI terminal colors */
.t-white   { color: var(--ansi-white); }
.t-dim     { color: var(--ansi-dim); }
.t-green   { color: var(--ansi-green); }
.t-teal    { color: var(--ansi-cyan); }
.t-magenta { color: var(--ansi-magenta); }
.t-text    { color: var(--term-text); }
.t-muted   { color: #4a4a52; }

.terminal-cursor {
  display: inline-block;
  width: 0.55em;
  height: 1.1em;
  background: var(--accent);
  vertical-align: text-bottom;
  opacity: 0.8;
  animation: blink 1s step-end infinite;
}

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

/* ═══════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════ */

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  padding: 12px 32px;
  font-family: var(--display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--bg);
  background: var(--accent);
  border: 1px solid var(--accent);
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}
.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: var(--bg);
  box-shadow: 0 0 28px var(--accent-glow);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  padding: 12px 32px;
  font-family: var(--display);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--dim);
  background: transparent;
  border: 1px solid var(--border-hi);
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}
.btn-ghost:hover { color: var(--muted); border-color: var(--dim); }

/* ═══════════════════════════════════════════
   SECTIONS
   ═══════════════════════════════════════════ */

.section {
  padding: 80px 0;
  border-top: 1px solid var(--border);
}

.section-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}

.section-tag {
  font-family: var(--display);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--accent);
  white-space: nowrap;
}

.section-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--accent-dim), transparent);
}

.section h2 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(22px, 3vw, 32px);
  color: var(--white);
  letter-spacing: 0.04em;
  margin-bottom: 44px;
}

/* ═══════════════════════════════════════════
   PANELS — angular readout panels
   ═══════════════════════════════════════════ */

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

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 24px;
  position: relative;
  transition: border-color 0.25s, background 0.25s;
}
.panel:hover {
  border-color: var(--accent-dim);
  background: var(--surface-hi);
}

/* Chamfered corner accent */
.panel::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 16px 16px 0;
  border-color: transparent var(--accent) transparent transparent;
  opacity: 0.25;
  transition: opacity 0.25s;
}
.panel:hover::after { opacity: 0.5; }

.panel-id {
  display: block;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  color: var(--dim);
  margin-bottom: 10px;
}

.panel h3 {
  font-family: var(--display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--bright);
  margin-bottom: 8px;
}

.panel p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.5;
}

/* ═══════════════════════════════════════════
   ALERTS — signal reasons
   ═══════════════════════════════════════════ */

.alerts {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 600px;
}

.alert {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px 20px;
  border-left: 2px solid var(--accent-dim);
  background: var(--accent-faint);
  transition: border-color 0.2s;
}
.alert:hover { border-color: var(--accent); }

.alert-marker {
  color: var(--accent);
  font-size: 12px;
  flex-shrink: 0;
}

.alert p {
  font-size: clamp(16px, 1.8vw, 19px);
  font-weight: 300;
  color: var(--bright);
  line-height: 1.45;
  letter-spacing: 0.01em;
}

.alert strong {
  color: var(--accent);
  font-weight: 600;
}

/* ═══════════════════════════════════════════
   CODE PANEL — install block
   ═══════════════════════════════════════════ */

.code-panel {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  max-width: 580px;
}

.code-chrome {
  padding: 8px 16px;
  font-family: var(--display);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--dim);
  border-bottom: 1px solid var(--border);
  background: var(--surface-hi);
}

.code-panel pre {
  padding: 18px 22px;
  overflow-x: auto;
}

.code-panel code {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ansi-white);
  line-height: 1.9;
}

.prompt {
  color: var(--accent);
  user-select: none;
  margin-right: 8px;
}

.copy-btn {
  position: absolute;
  top: 40px;
  right: 12px;
  background: none;
  border: 1px solid var(--border);
  color: var(--dim);
  cursor: pointer;
  padding: 5px 7px;
  display: flex;
  align-items: center;
  transition: all 0.2s;
}
.copy-btn:hover { border-color: var(--accent); color: var(--accent); }
.copy-btn.copied { border-color: var(--green); color: var(--green); }

.note {
  font-size: 14px;
  color: var(--muted);
  margin-top: 20px;
}
.note code {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  background: var(--accent-faint);
  padding: 2px 6px;
}

.install-intro {
  font-size: 16px;
  color: var(--text);
  margin-bottom: 32px;
}

.install-steps {
  display: flex;
  flex-direction: column;
  gap: 28px;
  max-width: 580px;
}

.step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.step-num {
  font-family: var(--display);
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.06em;
  padding-top: 2px;
  flex-shrink: 0;
}

.step p {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 12px;
}

.step .code-panel {
  margin-top: 0;
}

.code-panel.compact pre {
  padding: 12px 18px;
}

.center { text-align: center; }

/* ═══════════════════════════════════════════
   FLOW — data path
   ═══════════════════════════════════════════ */

.flow {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
  margin-bottom: 28px;
}

.flow-node {
  font-family: var(--display);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.06em;
  padding: 12px 22px;
  border: 1px solid var(--border-hi);
  color: var(--muted);
  white-space: nowrap;
  background: var(--surface);
}

.flow-node.active {
  color: var(--accent);
  border-color: var(--accent-dim);
  background: var(--accent-faint);
  text-shadow: 0 0 16px var(--accent-glow);
}

.flow-arrow {
  color: var(--accent);
  font-size: 10px;
  padding: 0 16px;
  user-select: none;
  opacity: 0.5;
}

/* ═══════════════════════════════════════════
   FAQ — 2-column intel grid
   ═══════════════════════════════════════════ */

.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.faq-item {
  padding: 24px;
  border: 1px solid var(--border);
  margin-top: -1px;
  margin-left: -1px;
}

.faq-item h3 {
  font-family: var(--display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--bright);
  margin-bottom: 8px;
}

.faq-item p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.5;
}

/* ═══════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════ */

footer {
  padding: 36px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 14px;
  font-family: var(--display);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--dim);
}
.dot { color: var(--border-hi); }

/* ═══════════════════════════════════════════
   SCROLL REVEALS
   ═══════════════════════════════════════════ */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered hero entrance */
.hero-text {
  opacity: 0;
  transform: translateY(14px);
  animation: fadeUp 0.55s cubic-bezier(0.22, 1, 0.36, 1) 0.1s forwards;
}
.hud-frame {
  opacity: 0;
  transform: translateY(14px);
  animation: fadeUp 0.55s cubic-bezier(0.22, 1, 0.36, 1) 0.3s forwards;
}
.hero-actions {
  opacity: 0;
  transform: translateY(10px);
  animation: fadeUp 0.5s cubic-bezier(0.22, 1, 0.36, 1) 0.5s forwards;
}

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

/* ═══════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════ */

@media (max-width: 900px) {
  .panel-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .hero { padding: 56px 0 48px; }
  .section { padding: 56px 0; }

  .panel-grid { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }

  .hero-actions { flex-direction: column; align-items: center; }

  .flow { flex-direction: column; gap: 8px; }
  .flow-arrow { transform: rotate(90deg); padding: 4px; font-size: 8px; }

  .section h2 { margin-bottom: 32px; }

  .sys-badge { display: none; }

  /* Hamburger nav on tablet and below */
  .nav-toggle { display: flex; }

  header nav {
    display: none;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    padding: 8px 0;
    background: rgba(11, 12, 16, 0.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
  }
  header nav.nav-open { display: flex; }

  header nav a {
    padding: 14px var(--pad);
    font-size: 11px;
    border-bottom: 1px solid var(--border);
  }
  header nav a:last-child { border-bottom: none; }

  /* Alerts center on tablet */
  .alerts { max-width: none; }

  /* Terminal scales down */
  .terminal-conv,
  .terminal-status { font-size: 11px; }
}

@media (max-width: 480px) {
  :root { --pad: 16px; }

  .hero { padding: 40px 0 32px; }
  .section { padding: 40px 0; }

  .hud-frame { padding: 6px; }
  .hud-label-l,
  .hud-label-r { display: none; }

  .terminal-conv { padding: 14px 12px; }
  .terminal-status { padding: 8px 12px 10px; }

  .terminal-conv,
  .terminal-status { font-size: 10px; line-height: 1.6; }

  .code-panel { max-width: none; }
  .install-steps { max-width: none; }

  .step { flex-direction: column; gap: 8px; }

  .alert { padding: 12px 14px; gap: 10px; }
  .alert p { font-size: 15px; }

  .btn-primary,
  .btn-ghost {
    width: 100%;
    justify-content: center;
    padding: 14px 24px;
    font-size: 12px;
  }

  .footer-inner { gap: 6px 10px; }
  .dot { display: none; }
}

@media (max-width: 360px) {
  :root { --pad: 12px; }
  .terminal-conv,
  .terminal-status { font-size: 9px; }
  .hero h1 { font-size: 36px; }
}

/* ═══════════════════════════════════════════
   REDUCED MOTION
   ═══════════════════════════════════════════ */

@media (prefers-reduced-motion: reduce) {
  .terminal-cursor { animation: none; opacity: 0.8; }
  .sys-dot { animation: none; }

  .hero-text, .hud-frame, .hero-actions {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}