/* ==========================================================================
   CryptoNavigator — Premium Oceanic Slate & Titanium Design System
   Aesthetic: Luxury Quantitative Platform / Linear & Stripe Dark Precision
   ========================================================================== */

:root {
  /* Surfaces & Rich Atmospheric Backgrounds */
  --bg-main: #0B0F19;
  --bg-subtle: #0F172A;
  --bg-surface: #131D31;
  --bg-surface-elevated: #1A2742;
  --bg-surface-hover: #223254;
  --bg-terminal: #090D16;
  --bg-input: #0A0F1D;

  /* Sophisticated Subtle Borders & Edge Highlights */
  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-card: rgba(255, 255, 255, 0.10);
  --border-card-hover: rgba(56, 189, 248, 0.35);
  --border-focus: #38BDF8;

  /* Refined High-Legibility Typography */
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;

  /* Tasteful Color Palette */
  --accent-primary: #38BDF8;          /* Crisp Arctic Sky */
  --accent-primary-hover: #7DD3FC;
  --accent-primary-bg: rgba(56, 189, 248, 0.08);

  --accent-emerald: #10B981;          /* Bid / Long / Verified */
  --accent-emerald-bg: rgba(16, 185, 129, 0.10);

  --accent-rose: #F43F5E;             /* Ask / Short / Risk */
  --accent-rose-bg: rgba(244, 63, 94, 0.10);

  --accent-amber: #F59E0B;            /* Attention / Badges */
  --accent-amber-bg: rgba(245, 158, 11, 0.10);

  --accent-violet: #8B5CF6;           /* Kryptik AI Mentor */
  --accent-violet-bg: rgba(139, 92, 246, 0.12);

  /* Fonts */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Monaco, Consolas, "Liberation Mono", monospace;

  /* Geometry & Soft Elevation */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;

  --shadow-card: 0 12px 32px -4px rgba(0, 0, 0, 0.5);
  --shadow-glow-sky: 0 0 35px rgba(56, 189, 248, 0.15);
  --shadow-button: 0 4px 16px rgba(56, 189, 248, 0.25);
  --container-width: 1120px;
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(56, 189, 248, 0.09) 0%, transparent 50%),
    radial-gradient(circle at 100% 40%, rgba(139, 92, 246, 0.05) 0%, transparent 40%),
    linear-gradient(180deg, #0B0F19 0%, #070A12 100%);
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button, input {
  font-family: inherit;
  font-size: inherit;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   HUD Header & Ticker Bar
   ========================================================================== */
.hud-ticker {
  background-color: rgba(7, 10, 18, 0.95);
  border-bottom: 1px solid var(--border-subtle);
  padding: 7px 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.hud-ticker-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.hud-pulse {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-emerald);
  font-weight: 600;
}

.hud-pulse::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.6);
  animation: pulse-dot 2s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.hud-item span {
  color: var(--text-secondary);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  height: 70px;
  display: flex;
  align-items: center;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.brand-logo svg {
  color: var(--accent-primary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-link {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: color 0.15s ease;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-switch {
  display: flex;
  align-items: center;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 3px;
  gap: 2px;
}

.lang-btn {
  padding: 4px 8px;
  font-size: 11px;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: 5px;
  border: none;
  background: transparent;
  cursor: pointer;
  transition: all 0.15s ease;
}

.lang-btn.active, .lang-btn:hover {
  color: var(--text-primary);
  background: var(--bg-surface-elevated);
}

/* ==========================================================================
   Buttons (Refined Luxury CTA)
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  text-align: center;
}

.btn-primary {
  background: #FFFFFF;
  color: #0B0F19;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.9);
}

.btn-primary:hover {
  background: #F1F5F9;
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.25);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--bg-surface);
  border-color: var(--border-card);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background-color: var(--bg-surface-elevated);
  border-color: rgba(255, 255, 255, 0.25);
  color: #FFFFFF;
}

.btn-cta-large {
  padding: 14px 30px;
  font-size: 15px;
  border-radius: var(--radius-md);
}

.btn-block {
  width: 100%;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--accent-primary-bg);
  border: 1px solid rgba(56, 189, 248, 0.25);
  color: var(--accent-primary);
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  font-family: var(--font-mono);
  margin-bottom: 24px;
  letter-spacing: 0.04em;
}

.hero-title {
  font-size: 46px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.035em;
  color: var(--text-primary);
  max-width: 900px;
  margin: 0 auto 20px;
  background: linear-gradient(180deg, #FFFFFF 40%, #CBD5E1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 18px;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 740px;
  margin: 0 auto 34px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}

.hero-trust {
  font-size: 13px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 50px;
}

/* Metrics Bar */
.metrics-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 64px;
  box-shadow: var(--shadow-card);
}

.metric-item {
  text-align: center;
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 36px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.metric-label {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ==========================================================================
   Interactive Showcase Tabs
   ========================================================================== */
.showcase-container {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card), var(--shadow-glow-sky);
  margin-bottom: 60px;
}

.showcase-tabs {
  display: flex;
  background-color: #0A0E18;
  border-bottom: 1px solid var(--border-subtle);
  overflow-x: auto;
}

.showcase-tab-btn {
  flex: 1;
  min-width: 140px;
  padding: 15px 16px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
  white-space: nowrap;
}

.showcase-tab-btn.active {
  color: var(--accent-primary);
  border-bottom-color: var(--accent-primary);
  background-color: var(--accent-primary-bg);
}

.showcase-tab-btn:hover:not(.active) {
  color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.02);
}

.showcase-viewport {
  position: relative;
  background-color: #060911;
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.showcase-panel {
  display: none;
  width: 100%;
}

.showcase-panel.active {
  display: block;
}

.showcase-panel img {
  width: 100%;
  height: auto;
}

/* ==========================================================================
   Section Components
   ========================================================================== */
.section {
  padding: 84px 0;
  border-top: 1px solid var(--border-subtle);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 50px;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-primary);
  margin-bottom: 12px;
  display: inline-block;
  padding: 3px 12px;
  background-color: var(--accent-primary-bg);
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: var(--radius-full);
}

.section-title {
  font-size: 34px;
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.section-desc {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Problem Cards */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.problem-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 28px;
  position: relative;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.problem-card:hover {
  transform: translateY(-3px);
  border-color: rgba(244, 63, 94, 0.4);
}

.problem-icon {
  font-size: 30px;
  margin-bottom: 16px;
  display: inline-block;
}

.problem-card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.problem-card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Transformation (Before -> After) */
.transformation-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.transform-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 22px 28px;
  transition: border-color 0.2s ease;
}

.transform-item:hover {
  border-color: var(--border-card-hover);
}

.transform-before, .transform-after {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 15px;
}

.transform-before {
  color: #FDA4AF;
  border-right: 1px solid var(--border-subtle);
  padding-right: 24px;
}

.transform-after {
  color: #86EFAC;
}

.transform-icon-before {
  color: var(--accent-rose);
  font-weight: 800;
  font-family: var(--font-mono);
  background: var(--accent-rose-bg);
  padding: 2px 8px;
  border-radius: 4px;
  flex-shrink: 0;
}

.transform-icon-after {
  color: var(--accent-emerald);
  font-weight: 800;
  font-family: var(--font-mono);
  background: var(--accent-emerald-bg);
  padding: 2px 8px;
  border-radius: 4px;
  flex-shrink: 0;
}

/* Interactive Simulator Widget */
.sim-container {
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
  position: relative;
}

.sim-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.sim-title {
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

.sim-spread {
  font-family: var(--font-mono);
  font-size: 13px;
  background-color: var(--bg-input);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.sim-spread span {
  color: var(--accent-primary);
  font-weight: 700;
}

.sim-book-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

.order-col {
  background-color: var(--bg-input);
  border-radius: var(--radius-sm);
  padding: 18px;
  border: 1px solid var(--border-subtle);
}

.col-header {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
  display: flex;
  justify-content: space-between;
}

.col-header.bids { color: var(--accent-emerald); }
.col-header.asks { color: var(--accent-rose); }

.order-row {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 5px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.order-row .price.bid { color: var(--accent-emerald); font-weight: 600; }
.order-row .price.ask { color: var(--accent-rose); font-weight: 600; }
.order-row .size { color: var(--text-secondary); }

.sim-detector {
  background-color: var(--accent-primary-bg);
  border: 1px solid var(--accent-primary);
  border-radius: var(--radius-sm);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.1);
}

.detector-badge {
  background: var(--accent-primary);
  color: #0B0F19;
  font-size: 11px;
  font-weight: 800;
  font-family: var(--font-mono);
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 4px;
  flex-shrink: 0;
}

.detector-text {
  font-size: 14px;
  color: var(--text-primary);
  font-weight: 500;
}

.sim-controls {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.sim-status {
  font-size: 13px;
  color: var(--accent-emerald);
  margin-left: auto;
  font-family: var(--font-mono);
  font-weight: 600;
}

/* ==========================================================================
   Career Track & Infographics
   ========================================================================== */
.career-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.career-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 24px;
  position: relative;
  display: flex;
  flex-direction: column;
}

.career-rank-num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}

.career-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.career-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.infographics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.info-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.info-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-primary);
}

.info-card img {
  width: 100%;
  height: 190px;
  object-fit: cover;
  border-bottom: 1px solid var(--border-subtle);
}

.info-card-content {
  padding: 16px;
}

.info-card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

/* ==========================================================================
   Features Grid (14 items)
   ========================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.feature-card:hover {
  border-color: var(--border-card-hover);
  transform: translateY(-2px);
}

.feature-card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.feature-card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ==========================================================================
   Psychology & Kryptik Terminal Console
   ========================================================================== */
.two-column-block {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.kryptik-card {
  background: var(--bg-surface);
  border: 1px solid var(--accent-violet);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: 0 0 35px rgba(139, 92, 246, 0.15);
}

.kryptik-terminal {
  background-color: var(--bg-terminal);
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: var(--radius-sm);
  padding: 18px;
  margin: 20px 0;
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent-violet);
  font-weight: 700;
}

.terminal-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-violet);
}

.kryptik-dialog-box {
  font-size: 14px;
  color: var(--text-primary);
  margin-bottom: 16px;
  line-height: 1.5;
}

.kryptik-choice-btns {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 14px;
}

.kryptik-choice-btn {
  text-align: left;
  padding: 9px 14px;
  background-color: rgba(139, 92, 246, 0.08);
  border: 1px solid rgba(139, 92, 246, 0.25);
  border-radius: var(--radius-sm);
  color: #EDE9FE;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.kryptik-choice-btn:hover {
  background-color: rgba(139, 92, 246, 0.2);
  border-color: var(--accent-violet);
}

.kryptik-reply {
  font-family: var(--font-mono);
  font-size: 13px;
  color: #F472B6;
  background-color: rgba(0, 0, 0, 0.5);
  padding: 10px 14px;
  border-radius: 6px;
  border-left: 3px solid #F472B6;
  display: none;
}

.kryptik-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.kryptik-list li {
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.kryptik-list li::before {
  content: "✦";
  color: var(--accent-violet);
  font-weight: bold;
}

/* Quests Grid */
.quests-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.quest-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 28px;
  position: relative;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.quest-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-amber);
}

.quest-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-amber);
  background-color: var(--accent-amber-bg);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  display: inline-block;
  margin-bottom: 16px;
}

.quest-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

.quest-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Curriculum Grid */
.curriculum-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.phase-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 24px;
  position: relative;
}

.phase-card.featured {
  border-color: var(--accent-primary);
  background: linear-gradient(180deg, rgba(56, 189, 248, 0.06) 0%, var(--bg-surface) 100%);
  box-shadow: 0 0 25px rgba(56, 189, 248, 0.12);
}

.phase-badge {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-emerald);
  background-color: var(--accent-emerald-bg);
  padding: 3px 8px;
  border-radius: 4px;
  float: right;
  font-family: var(--font-mono);
}

.phase-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.phase-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Pricing Section */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 880px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 38px;
  display: flex;
  flex-direction: column;
  position: relative;
}

.pricing-card.featured {
  border-color: var(--accent-primary);
  box-shadow: 0 0 35px rgba(56, 189, 248, 0.18);
}

.pricing-featured-badge {
  position: absolute;
  top: -12px;
  right: 28px;
  background-color: var(--accent-primary);
  color: #0B0F19;
  font-size: 11px;
  font-weight: 800;
  font-family: var(--font-mono);
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.pricing-name {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 12px;
}

.pricing-price-box {
  margin-bottom: 24px;
}

.pricing-price {
  font-size: 42px;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--text-primary);
}

.pricing-period {
  font-size: 13px;
  color: var(--text-muted);
}

.pricing-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
  flex-grow: 1;
}

.pricing-features-list li {
  font-size: 14px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.pricing-features-list li::before {
  content: "✓";
  color: var(--accent-emerald);
  font-weight: 800;
  font-family: var(--font-mono);
}

/* FAQ Accordion */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  text-align: left;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-icon {
  font-size: 22px;
  color: var(--text-muted);
  transition: transform 0.2s ease;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  color: var(--accent-primary);
}

.faq-answer {
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  display: none;
}

.faq-item.open .faq-answer {
  display: block;
}

/* Bottom CTA Banner */
.bottom-cta {
  background: linear-gradient(180deg, var(--bg-surface) 0%, #070A12 100%);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 64px 40px;
  text-align: center;
  margin-top: 40px;
  margin-bottom: 80px;
  position: relative;
  overflow: hidden;
}

.bottom-cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 25%;
  right: 25%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
}

.bottom-cta-title {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 12px;
}

.bottom-cta-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 28px;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 40px 0;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

.disclaimer-box {
  background-color: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 16px;
  margin-bottom: 24px;
}

/* Modal Registration */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(12px);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
}

.modal-dialog {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  max-width: 440px;
  width: 100%;
  padding: 32px;
  position: relative;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.9);
}

.modal-close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
}

.modal-close-btn:hover {
  color: var(--text-primary);
}

.modal-title {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 6px;
}

.modal-subtitle {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 18px;
  text-align: left;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 10px 14px;
  background-color: var(--bg-input);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s ease;
}

.form-input:focus {
  border-color: var(--accent-primary);
}

.form-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 12px;
  color: var(--text-muted);
  cursor: pointer;
  margin-bottom: 20px;
}

.form-checkbox-label input {
  margin-top: 2px;
}

.form-error {
  font-size: 12px;
  color: var(--accent-rose);
  margin-top: 4px;
  display: none;
}

.form-alert-waitlist {
  background-color: var(--accent-primary-bg);
  border: 1px solid var(--accent-primary);
  color: var(--text-primary);
  font-size: 13px;
  padding: 12px;
  border-radius: var(--radius-sm);
  margin-top: 16px;
  display: none;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 900px) {
  .hero-title { font-size: 34px; }
  .problem-grid, .curriculum-grid, .quests-grid, .features-grid, .career-grid, .infographics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-grid, .two-column-block, .transform-item {
    grid-template-columns: 1fr;
  }
  .transform-before {
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
    padding-bottom: 16px;
    padding-right: 0;
  }
  .metrics-bar {
    grid-template-columns: repeat(2, 1fr);
  }
  .nav-menu {
    display: none;
  }
}

@media (max-width: 600px) {
  .hero-title { font-size: 26px; }
  .problem-grid, .curriculum-grid, .quests-grid, .features-grid, .career-grid, .infographics-grid, .metrics-bar, .sim-book-grid {
    grid-template-columns: 1fr;
  }
  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }
  .hero-cta-group .btn {
    width: 100%;
  }
  .sim-container {
    padding: 20px;
  }
}

/* ==========================================================================
   OAuth-кнопки в модалке регистрации
   ========================================================================== */
.oauth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 16px 0 12px;
  color: var(--text-muted);
  font-size: 13px;
}

.oauth-divider::before,
.oauth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-card);
}

.btn-oauth {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 10px;
  font-weight: 600;
}

.btn-oauth svg {
  width: 18px;
  height: 18px;
  flex: none;
}