/* ==========================================================================
   ATHENA-WEB v3.0 COLOR DIRECTIVES (The "Industrial Void" Aesthetic)
   ========================================================================== */
:root {
  --background: #09090B;        /* Jet Black Void / Pitch Black */
  --foreground: #F4F4F5;        /* Pristine Zinc White */
  --surface: #18181B;           /* Zinc-Dark Surface Cards */
  --surface-elevated: #27272A;  /* Elevated card hover */
  --accent-amber: #F59E0B;      /* Industrial Caution Amber */
  --accent-amber-hover: #D97706;/* Darker amber hover */
  --accent-amber-light: rgba(245, 158, 11, 0.12);
  --border: #27272A;            /* Hard Geometric Border Lines */
  --border-active: #3F3F46;     /* Active border state */
  --text-muted: #A1A1AA;        /* Muted Zinc */
  --text-dim: #71717A;          /* Dim Zinc */
  --conversion-blue: #0070ba;   /* Stripe Trust-Blue */

  /* TYPOGRAPHICAL HIERARCHY */
  --font-mono: "JetBrains Mono", "SF Mono", ui-monospace, Menlo, Monaco, Consolas, monospace;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--background);
  color: var(--foreground);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  background-image: linear-gradient(to right, #18181b 1px, transparent 1px),
                    linear-gradient(to bottom, #18181b 1px, transparent 1px);
  background-size: 32px 32px;
}

/* CLS Container Shields */
.cls-shield-terminal, .ad-container-leaderboard {
  min-height: 250px;
  width: 100%;
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Touch Target Law (>= 44x44px) */
button, input[type="button"], input[type="submit"], .btn-touch, .nav-touch a {
  min-height: 44px;
  min-width: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
  letter-spacing: 0.02em;
}

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header */
header.site-header {
  background: rgba(9, 9, 11, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 0;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--foreground);
}

.site-brand span {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--foreground);
}

.site-brand span b {
  color: var(--accent-amber);
}

.nav-links {
  display: flex;
  gap: 0.5rem;
  list-style: none;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-family: var(--font-mono);
  padding: 0.5rem 0.75rem;
  font-size: 0.85rem;
  border-radius: 4px;
}

.nav-links a:hover {
  background-color: var(--surface);
  color: var(--accent-amber);
}

/* Hero Section */
.hero-manifesto {
  padding: 4.5rem 0 2.5rem 0;
  text-align: center;
}

.hero-manifesto .badge-kicker {
  display: inline-block;
  background-color: var(--accent-amber-light);
  color: var(--accent-amber);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 0.35rem 0.85rem;
  border-radius: 4px;
  border: 1px solid rgba(245, 158, 11, 0.3);
  margin-bottom: 1.25rem;
}

.hero-manifesto h1 {
  font-family: var(--font-mono);
  font-size: clamp(2.2rem, 4.5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.04em;
  margin-bottom: 1.25rem;
  color: #FFFFFF;
}

.hero-manifesto p.lead {
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  color: var(--text-muted);
  max-width: 820px;
  margin: 0 auto 2rem auto;
  line-height: 1.6;
}

/* Terminal Architecture Simulator */
.terminal-window {
  background: #0D0D10;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin: 2.5rem 0;
  overflow: hidden;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4);
}

.terminal-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0.65rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot-red { background: #EF4444; }
.dot-yellow { background: #F59E0B; }
.dot-green { background: #10B981; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-left: 0.5rem;
}

.terminal-body {
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: #D4D4D8;
  line-height: 1.7;
}

.terminal-body .cmd { color: var(--accent-amber); font-weight: 700; }
.terminal-body .out-pass { color: #10B981; }
.terminal-body .out-stat { color: #60A5FA; }

/* Grid of Core Axioms */
.axiom-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin: 3rem 0;
}

.axiom-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.axiom-card:hover {
  border-color: var(--accent-amber);
}

.axiom-card h3 {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  color: #FFFFFF;
  margin-bottom: 0.75rem;
}

.axiom-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Monetization Tiers Section */
.tier-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin: 2.5rem 0;
}

.tier-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-align: left;
}

.tier-card.featured {
  border: 2px solid var(--accent-amber);
  background: #1C1917;
  position: relative;
}

.tier-badge {
  position: absolute;
  top: -12px;
  right: 18px;
  background: var(--accent-amber);
  color: #000000;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 800;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  text-transform: uppercase;
}

.tier-title {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 0.5rem;
}

.tier-price {
  font-family: var(--font-mono);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--accent-amber);
  margin-bottom: 0.75rem;
}

.tier-price span {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--text-muted);
}

.tier-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 1.5rem;
}

.btn-amber {
  background-color: var(--accent-amber);
  color: #000000;
  border: none;
  width: 100%;
}

.btn-amber:hover {
  background-color: var(--accent-amber-hover);
}

/* Author Box */
.author-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.75rem;
  margin: 3.5rem 0;
  display: flex;
  gap: 1.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.author-avatar {
  width: 64px;
  height: 64px;
  border-radius: 4px;
  border: 1px solid var(--accent-amber);
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--accent-amber);
}