/* ============================================================
   CEO Plugin Landing Page — "Command Center" Theme
   ============================================================ */

/* ---------- Design Tokens ---------- */
:root {
  --bg:          #0a0f1a;
  --bg-card:     #111827;
  --cyan:        #00d4ff;
  --gold:        #f0b232;
  --text:        #e8eaed;
  --muted:       #8892a4;
  --border:      rgba(0, 212, 255, 0.15);
  --glow:        rgba(0, 212, 255, 0.2);
  --glow-strong: rgba(0, 212, 255, 0.35);
  --gold-glow:   rgba(240, 178, 50, 0.25);
  --font-heading: 'JetBrains Mono', monospace;
  --font-body:    'Inter', sans-serif;
  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --radius:      12px;
  --radius-sm:   8px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

a:hover {
  color: #33dfff;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

code {
  font-family: var(--font-heading);
  background: rgba(0, 212, 255, 0.08);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
  color: var(--cyan);
}

::selection {
  background: rgba(0, 212, 255, 0.3);
  color: #fff;
}

/* ---------- Utility ---------- */
.text-cyan { color: var(--cyan); }
.text-gold { color: var(--gold); }
.text-love { color: #e74c6f; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Particle Canvas ---------- */
#particle-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.5;
}

/* ---------- Language Switcher ---------- */
.lang-switcher {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 100;
  font-family: var(--font-heading);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(17, 24, 39, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 99px;
}

.lang-switcher a {
  color: var(--muted);
  transition: color 0.2s;
}

.lang-switcher a:hover,
.lang-switcher a.lang-active {
  color: var(--cyan);
}

.lang-divider {
  color: rgba(136, 146, 164, 0.3);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
}

.hero-content {
  max-width: 800px;
}

.hero-logo {
  width: 180px;
  height: auto;
  margin: 0 auto 40px;
  filter: drop-shadow(0 0 40px rgba(0, 212, 255, 0.3));
  opacity: 0;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 20px;
  opacity: 0;
  background: linear-gradient(135deg, #fff 0%, var(--cyan) 50%, var(--gold) 100%);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 6s ease infinite;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50%      { background-position: 100% 50%; }
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--muted);
  max-width: 600px;
  margin: 0 auto 48px;
  opacity: 0;
}

/* Counters */
.hero-counters {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  margin-bottom: 48px;
  opacity: 0;
}

.counter-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.counter-number {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
}

.counter-plus {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--cyan);
}

.counter-label {
  font-size: 14px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 4px;
}

.counter-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
}

/* CTAs */
.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: 99px;
  border: none;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
  text-decoration: none;
}

.btn-icon {
  flex-shrink: 0;
}

.btn-primary {
  background: var(--cyan);
  color: var(--bg);
  box-shadow: 0 0 24px rgba(0, 212, 255, 0.3),
              inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
  background: #33dfff;
  color: var(--bg);
  box-shadow: 0 0 40px rgba(0, 212, 255, 0.5),
              inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  backdrop-filter: blur(4px);
}

.btn-outline:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.15);
  transform: translateY(-2px);
}

/* Scroll indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
}

.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--cyan), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50%      { opacity: 1;   transform: scaleY(1); }
}

/* ============================================================
   SECTIONS — SHARED
   ============================================================ */
.section {
  position: relative;
  z-index: 1;
  padding: 120px 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(17, 24, 39, 0.4) 0%, rgba(10, 15, 26, 0) 100%);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3.5vw, 2.5rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.section-subtitle {
  text-align: center;
  color: var(--muted);
  font-size: 1.1rem;
  margin-bottom: 64px;
}

.section-title + .section-subtitle {
  margin-top: 0;
}

.section-title:not(:has(+ .section-subtitle)) {
  margin-bottom: 64px;
}

/* fallback for browsers without :has */
@supports not selector(:has(+ *)) {
  .section-title {
    margin-bottom: 64px;
  }
  .section-subtitle {
    margin-top: -48px;
  }
}

/* ============================================================
   FEATURE CARDS
   ============================================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: all 0.4s var(--ease-out);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  padding: 1px;
  background: linear-gradient(135deg, transparent 30%, var(--cyan) 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.4s;
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 212, 255, 0.1);
}

.feature-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(0, 212, 255, 0.06);
  border: 1px solid var(--border);
  color: var(--cyan);
  margin-bottom: 20px;
}

.feature-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.feature-desc {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ============================================================
   FOUR-PHASE PROTOCOL
   ============================================================ */
.protocol-timeline {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  position: relative;
  padding: 40px 0;
}

.protocol-line {
  position: absolute;
  top: 60px;
  left: 12%;
  right: 12%;
  height: 2px;
  background: var(--border);
  z-index: 0;
}

.protocol-line-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--cyan), var(--gold));
  border-radius: 2px;
}

.protocol-phase {
  flex: 1;
  max-width: 240px;
  text-align: center;
  position: relative;
  z-index: 1;
  padding: 0 12px;
}

.phase-node {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  position: relative;
  box-shadow: 0 0 20px var(--glow);
}

.phase-node::after {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1px solid rgba(0, 212, 255, 0.15);
  animation: nodePulse 3s ease-in-out infinite;
}

@keyframes nodePulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50%      { transform: scale(1.2); opacity: 0; }
}

.phase-number {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  color: var(--cyan);
}

.phase-icon {
  color: var(--cyan);
  margin-bottom: 12px;
  display: flex;
  justify-content: center;
}

.phase-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.phase-desc {
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 12px;
}

.phase-gate {
  font-size: 0.8rem;
  color: var(--muted);
}

.gate-label {
  color: var(--gold);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Mobile: vertical timeline */
@media (max-width: 768px) {
  .protocol-timeline {
    flex-direction: column;
    align-items: flex-start;
    padding-left: 40px;
    gap: 48px;
  }

  .protocol-line {
    left: 20px;
    right: auto;
    top: 60px;
    bottom: 60px;
    width: 2px;
    height: auto;
  }

  .protocol-phase {
    text-align: left;
    max-width: none;
    padding: 0;
  }

  .phase-node {
    position: absolute;
    left: -40px;
    top: 0;
    margin: 0;
    width: 40px;
    height: 40px;
  }

  .phase-icon {
    justify-content: flex-start;
  }
}

/* ============================================================
   DOMAIN CARDS
   ============================================================ */
.domains-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.domain-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: all 0.35s var(--ease-out);
  cursor: default;
}

.domain-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 212, 255, 0.4);
  box-shadow: 0 8px 32px rgba(0, 212, 255, 0.08);
}

.domain-card-highlight {
  border-color: var(--gold-glow);
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(240, 178, 50, 0.05) 100%);
}

.domain-card-highlight:hover {
  border-color: rgba(240, 178, 50, 0.5);
  box-shadow: 0 8px 32px rgba(240, 178, 50, 0.1);
}

.domain-emoji {
  font-size: 2rem;
  margin-bottom: 12px;
  line-height: 1;
}

.domain-name {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.domain-count {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  color: var(--cyan);
  background: rgba(0, 212, 255, 0.08);
  padding: 2px 10px;
  border-radius: 99px;
  margin-bottom: 10px;
}

.domain-card-highlight .domain-count {
  color: var(--gold);
  background: rgba(240, 178, 50, 0.1);
}

.domain-examples {
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.5;
}

@media (max-width: 1024px) {
  .domains-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .domains-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   NEXUS PIPELINE
   ============================================================ */
.nexus-timeline {
  position: relative;
  max-width: 640px;
  margin: 0 auto;
  padding-left: 48px;
}

.nexus-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 23px;
  width: 2px;
  background: var(--border);
}

.nexus-line-fill {
  width: 100%;
  height: 0%;
  background: linear-gradient(180deg, var(--cyan), var(--gold));
  border-radius: 2px;
}

.nexus-phase {
  position: relative;
  padding-bottom: 48px;
}

.nexus-phase:last-child {
  padding-bottom: 0;
}

.nexus-node {
  position: absolute;
  left: -48px;
  top: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  box-shadow: 0 0 16px var(--glow);
}

.nexus-node::after {
  content: '';
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  border: 1px solid rgba(0, 212, 255, 0.12);
  animation: nodePulse 3s ease-in-out infinite;
}

.nexus-number {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  color: var(--cyan);
}

.nexus-content {
  padding: 4px 0 0 16px;
}

.nexus-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.nexus-duration {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  color: var(--muted);
  background: rgba(136, 146, 164, 0.08);
  padding: 2px 10px;
  border-radius: 99px;
  margin-bottom: 8px;
}

.nexus-gate {
  font-size: 0.85rem;
  color: var(--muted);
}

/* ============================================================
   INSTALLATION
   ============================================================ */
.install-steps {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

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

.step-badge {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  color: var(--cyan);
  margin-top: 12px;
}

.code-block {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color 0.3s;
}

.code-block:hover {
  border-color: rgba(0, 212, 255, 0.3);
}

.code-header {
  display: flex;
  align-items: center;
  padding: 10px 16px;
  background: rgba(0, 0, 0, 0.2);
  border-bottom: 1px solid var(--border);
  gap: 12px;
}

.code-dots {
  display: flex;
  gap: 6px;
}

.code-dots i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(136, 146, 164, 0.2);
}

.code-label {
  flex: 1;
  font-size: 12px;
  color: var(--muted);
  font-family: var(--font-heading);
}

.copy-btn {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  transition: all 0.2s;
  display: flex;
  align-items: center;
}

.copy-btn:hover {
  color: var(--cyan);
  background: rgba(0, 212, 255, 0.08);
}

.copy-btn.copied {
  color: #4ade80;
}

.code-block pre {
  padding: 16px 20px;
  overflow-x: auto;
  font-family: var(--font-heading);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
}

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

.install-footer {
  text-align: center;
  margin-top: 48px;
}

.install-then {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.install-prereq {
  font-size: 0.85rem;
  color: var(--muted);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

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

.footer-logo {
  width: 28px;
  height: 28px;
  border-radius: 6px;
}

.footer-name {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 0.85rem;
  color: var(--muted);
}

.footer-github {
  color: var(--muted);
}

.footer-github:hover {
  color: var(--cyan);
}

.footer-love {
  font-size: 0.85rem;
  color: var(--muted);
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  #particle-canvas {
    display: none;
  }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 640px) {
  .hero {
    padding: 100px 20px 60px;
  }

  .hero-logo {
    width: 140px;
    margin-bottom: 28px;
  }

  .hero-counters {
    gap: 20px;
  }

  .counter-divider {
    height: 36px;
  }

  .section {
    padding: 80px 0;
  }

  .lang-switcher {
    top: 16px;
    right: 16px;
    font-size: 12px;
    padding: 6px 12px;
  }

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

  .install-step {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .step-badge {
    margin-top: 0;
  }
}