/* ═══════════════════════════════════════════════════════════
   ROE Gate - White Paper Landing Page
   Dark/Terminal Hacker Aesthetic
   ═══════════════════════════════════════════════════════════ */

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

:root {
  --bg:        #0a0a0a;
  --bg-card:   #111111;
  --bg-code:   #0d1117;
  --border:    #1a1a1a;
  --border-hl: #222;
  --green:     #00ff41;
  --green-dim: #00cc33;
  --amber:     #ffb000;
  --red:       #ff3333;
  --text:      #e0e0e0;
  --text-dim:  #888;
  --text-code: #c9d1d9;
  --white:     #fff;
  --max-w:     1200px;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--green); text-decoration: none; transition: color .2s; }
a:hover { color: var(--green-dim); text-decoration: underline; }

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

/* ── Typography ─────────────────────────────────────────── */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); margin-bottom: 1rem; }
h3 { font-size: 1.25rem; }

.section-label {
  font-family: var(--font-mono);
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .15em;
  color: var(--green);
  margin-bottom: .5rem;
  display: block;
}

/* ── Layout ─────────────────────────────────────────────── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; }

section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--border);
}

/* ── Navbar ─────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10,10,10,.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: .75rem 0;
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.navbar-brand {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--green);
}
.navbar-brand span { color: var(--text-dim); font-weight: 400; }
.nav-links { display: flex; gap: 1.5rem; list-style: none; }
.nav-links a {
  font-size: .85rem;
  color: var(--text-dim);
  transition: color .2s;
}
.nav-links a:hover { color: var(--green); text-decoration: none; }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: .5rem; }
.nav-toggle span {
  display: block; width: 20px; height: 2px;
  background: var(--text); margin: 4px 0;
  transition: .3s;
}

/* ── Hero ───────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 5rem;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at 30% 50%, rgba(0,255,65,.04) 0%, transparent 60%);
  pointer-events: none;
}
.hero-content { position: relative; z-index: 1; max-width: 800px; }
.hero h1 { margin-bottom: 1.5rem; }
.hero h1 .highlight { color: var(--green); text-shadow: 0 0 30px rgba(0,255,65,.3); }
.hero-sub {
  font-size: 1.2rem;
  color: var(--text-dim);
  margin-bottom: 2.5rem;
  max-width: 600px;
}
.hero-terminal {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--green);
  margin-bottom: 2.5rem;
  min-height: 7.5em;
  background: rgba(0,0,0,.4);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem 1.25rem;
  text-align: left;
  white-space: pre;
  line-height: 1.5;
}
.hero-terminal .t-prompt { color: var(--green); font-weight: 700; }
.hero-terminal .t-cmd { color: var(--white); }
.hero-terminal .t-flag { color: var(--amber); }
.hero-terminal .t-label { color: #888; }
.hero-terminal .t-ok { color: var(--green); }
.hero-terminal .t-url { color: var(--amber); text-decoration: underline; }
.hero-terminal .t-agent { color: #79c0ff; }
.hero-terminal .cursor {
  display: inline-block;
  width: 10px;
  height: 1.2em;
  background: var(--green);
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
}
@keyframes blink {
  50% { opacity: 0; }
}
.hero-ctas { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.5rem;
  border-radius: 4px;
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
  border: 1px solid transparent;
  font-family: var(--font-body);
}
.btn-primary {
  background: var(--green);
  color: #000;
  border-color: var(--green);
}
.btn-primary:hover {
  background: var(--green-dim);
  border-color: var(--green-dim);
  color: #000;
  text-decoration: none;
  box-shadow: 0 0 20px rgba(0,255,65,.3);
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border-hl);
}
.btn-outline:hover {
  border-color: var(--green);
  color: var(--green);
  text-decoration: none;
}

/* ── Stat Cards (Problem section) ───────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin: 2.5rem 0;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2rem;
  text-align: center;
  transition: border-color .3s, transform .3s;
}
.stat-card:hover { border-color: var(--border-hl); transform: translateY(-2px); }
.stat-number {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--red);
  display: block;
  margin-bottom: .25rem;
}
.stat-label {
  font-size: .9rem;
  color: var(--text-dim);
}
.stat-source {
  font-size: .75rem;
  color: var(--text-dim);
  margin-top: .5rem;
  font-style: italic;
}

/* ── Code Blocks ────────────────────────────────────────── */
.code-block {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin: 1.5rem 0;
}
.code-header {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .6rem 1rem;
  background: rgba(255,255,255,.03);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--text-dim);
}
.code-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  display: inline-block;
}
.code-dot.red { background: #ff5f56; }
.code-dot.yellow { background: #ffbd2e; }
.code-dot.green { background: #27c93f; }
.code-body {
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: .85rem;
  line-height: 1.6;
  color: var(--text-code);
  overflow-x: auto;
  white-space: pre;
}

/* Syntax highlighting (CSS-only) */
.kw { color: #ff7b72; }
.str { color: #a5d6ff; }
.cmt { color: #6e7681; font-style: italic; }
.fn { color: #d2a8ff; }
.num { color: #79c0ff; }
.op { color: #ff7b72; }
.type { color: #ffa657; }
.key { color: #7ee787; }
.val { color: #a5d6ff; }

/* ── Architecture Diagram ───────────────────────────────── */
.arch-flow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin: 3rem 0;
  position: relative;
}
.arch-step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 2rem;
  text-align: center;
  position: relative;
}
.arch-step:first-child { border-radius: 8px 0 0 8px; }
.arch-step:last-child { border-radius: 0 8px 8px 0; }
.arch-step-num {
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--green);
  margin-bottom: .5rem;
}
.arch-step h3 { margin-bottom: .5rem; }
.arch-step p { font-size: .9rem; color: var(--text-dim); }
.arch-arrow {
  position: absolute;
  right: -12px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  font-size: 1.2rem;
  color: var(--green);
}

/* ── Component Grid ─────────────────────────────────────── */
.component-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}
.component-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.75rem;
  transition: border-color .3s, transform .3s;
}
.component-card:hover { border-color: var(--green); transform: translateY(-2px); }
.component-icon {
  font-size: 1.5rem;
  margin-bottom: .75rem;
  display: block;
}
.component-card h3 { margin-bottom: .5rem; font-size: 1.1rem; }
.component-card p { font-size: .9rem; color: var(--text-dim); }

/* ── Security Properties ────────────────────────────────── */
.properties-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}
.property-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.75rem;
  border-top: 3px solid var(--green);
  transition: transform .3s;
}
.property-card:hover { transform: translateY(-2px); }
.property-card h3 {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--green);
  margin-bottom: .5rem;
}
.property-card p { font-size: .9rem; color: var(--text-dim); }

/* ── Status Indicators ──────────────────────────────────── */
.status { font-family: var(--font-mono); font-weight: 600; }
.status-allow { color: var(--green); }
.status-deny { color: var(--red); }
.status-eval { color: var(--amber); }

/* ── How It Works - Flow ────────────────────────────────── */
.flow-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin: 2.5rem 0;
}
.flow-step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2rem 1.5rem;
  text-align: center;
  position: relative;
}
.flow-step-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 1.2rem;
  font-family: var(--font-mono);
  font-weight: 700;
  border: 2px solid var(--green);
  color: var(--green);
}
.flow-step h3 { margin-bottom: .5rem; font-size: 1rem; }
.flow-step p { font-size: .85rem; color: var(--text-dim); }

/* ── White Paper Section ────────────────────────────────── */
.whitepaper-gate {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2.5rem;
  margin-top: 2rem;
  text-align: center;
}
.whitepaper-gate h3 { margin-bottom: .5rem; }
.whitepaper-gate p { color: var(--text-dim); margin-bottom: 1.5rem; }

.lead-form {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  justify-content: center;
  max-width: 600px;
  margin: 0 auto;
}
.lead-form input {
  flex: 1;
  min-width: 180px;
  padding: .7rem 1rem;
  background: var(--bg);
  border: 1px solid var(--border-hl);
  border-radius: 4px;
  color: var(--text);
  font-size: .9rem;
  font-family: var(--font-body);
  outline: none;
  transition: border-color .2s;
}
.lead-form input:focus { border-color: var(--green); }
.lead-form input::placeholder { color: var(--text-dim); }
.lead-form .btn { flex-shrink: 0; }
.form-note {
  font-size: .75rem;
  color: var(--text-dim);
  margin-top: .75rem;
}
.form-success {
  display: none;
  color: var(--green);
  font-family: var(--font-mono);
  font-size: .9rem;
  margin-top: 1rem;
}

/* ── Pricing ────────────────────────────────────────────── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-top: 2.5rem;
}
.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  transition: border-color .3s, transform .3s;
}
.pricing-card:hover { transform: translateY(-2px); }
.pricing-card.featured {
  border-color: var(--green);
  box-shadow: 0 0 30px rgba(0,255,65,.08);
}
.pricing-badge {
  font-family: var(--font-mono);
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  background: var(--green);
  color: #000;
  padding: .2rem .6rem;
  border-radius: 3px;
  align-self: flex-start;
  margin-bottom: .75rem;
}
.pricing-card h3 {
  font-size: 1.25rem;
  margin-bottom: .25rem;
}
.pricing-price {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--green);
  margin-bottom: .25rem;
}
.pricing-price span { font-size: .9rem; color: var(--text-dim); font-weight: 400; }
.pricing-desc {
  font-size: .85rem;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}
.pricing-features {
  list-style: none;
  margin-bottom: 2rem;
  flex: 1;
}
.pricing-features li {
  font-size: .85rem;
  padding: .4rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--text-dim);
}
.pricing-features li::before {
  content: '>';
  font-family: var(--font-mono);
  color: var(--green);
  position: absolute;
  left: 0;
}

/* ── Personas / Use Cases ───────────────────────────────── */
.personas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}
.persona-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2rem;
}
.persona-role {
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: .75rem;
}
.persona-card h3 { margin-bottom: .75rem; font-size: 1.1rem; }
.persona-card p { font-size: .9rem; color: var(--text-dim); margin-bottom: 1rem; }
.persona-quote {
  font-style: italic;
  font-size: .85rem;
  color: var(--text-dim);
  border-left: 2px solid var(--green);
  padding-left: 1rem;
}

/* ── Integration ────────────────────────────────────────── */
.integrations-row {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
  margin: 2.5rem 0;
}
.integration-badge {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem 2rem;
  font-family: var(--font-mono);
  font-size: .9rem;
  color: var(--text);
  transition: border-color .3s;
}
.integration-badge:hover { border-color: var(--green); }

/* ── Patent Notice ──────────────────────────────────────── */
.patent-notice {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--amber);
  border-radius: 0 8px 8px 0;
  padding: 2rem;
  margin-top: 2rem;
}
.patent-notice h3 {
  color: var(--amber);
  font-family: var(--font-mono);
  margin-bottom: .5rem;
}
.patent-notice p { font-size: .9rem; color: var(--text-dim); }

/* ── Footer ─────────────────────────────────────────────── */
.site-footer {
  padding: 3rem 0;
  text-align: center;
  border-top: 1px solid var(--border);
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.footer-links a { font-size: .9rem; color: var(--text-dim); }
.footer-links a:hover { color: var(--green); }
.footer-copy {
  font-size: .8rem;
  color: var(--text-dim);
}

/* ── Fade-in animation ──────────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .6s ease-out, transform .6s ease-out;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 768px) {
  section { padding: 3rem 0; }

  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10,10,10,.95);
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
  }
  .nav-toggle { display: block; }

  /* Hero */
  .hero { min-height: auto; padding-top: 5rem; padding-bottom: 3rem; }
  .hero-terminal {
    white-space: pre-wrap;
    word-break: break-word;
    overflow-wrap: break-word;
    overflow: hidden;
    max-width: 100%;
    font-size: .8rem;
    padding: .75rem 1rem;
  }
  .hero-ctas { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }

  /* Stat cards */
  .stat-number { font-size: 2rem; }
  .stats-grid { grid-template-columns: 1fr 1fr; }

  /* Code blocks — prevent horizontal overflow */
  .code-body {
    white-space: pre-wrap;
    word-break: break-all;
    font-size: .75rem;
    padding: 1rem;
  }

  /* Architecture diagram */
  .arch-flow { grid-template-columns: 1fr; }
  .arch-step { padding: 1.5rem; }
  .arch-step:first-child { border-radius: 8px 8px 0 0; }
  .arch-step:last-child { border-radius: 0 0 8px 8px; }
  .arch-arrow {
    right: 50%;
    top: auto;
    bottom: -12px;
    transform: translateX(50%) rotate(90deg);
  }

  /* Component grid */
  .component-grid { grid-template-columns: 1fr; }
  .component-card { padding: 1.25rem; }

  /* Properties grid */
  .properties-grid { grid-template-columns: 1fr; }
  .property-card { padding: 1.25rem; }

  /* Flow steps */
  .flow-steps { grid-template-columns: 1fr; }

  /* Personas grid */
  .personas-grid { grid-template-columns: 1fr; }
  .persona-card { padding: 1.5rem; }

  /* Pricing */
  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-price { font-size: 1.5rem; }
  .pricing-card { padding: 1.5rem; }

  /* Integration badges */
  .integrations-row { gap: .75rem; }
  .integration-badge {
    padding: .75rem 1rem;
    font-size: .8rem;
  }

  /* Whitepaper / patent */
  .whitepaper-gate { padding: 1.5rem; }
  .patent-notice { padding: 1.25rem; }

  /* Lead form */
  .lead-form input { min-width: 0; }

  /* Footer */
  .footer-links { gap: 1rem; }
}

/* ── Small phones ──────────────────────────────────────── */
@media (max-width: 400px) {
  .container { padding: 0 1rem; }
  .hero-terminal { font-size: .7rem; }
  .code-body { font-size: .65rem; }
  .stat-number { font-size: 1.75rem; }
  .stats-grid { grid-template-columns: 1fr; }
}