/* ═══════════════════════════════════════════
   AltaySec Roadmap — Design System
   ═══════════════════════════════════════════ */

:root {
  /* Background */
  --bg-primary: #06060c;
  --bg-secondary: #0c0c16;
  --bg-card: #12121f;
  --bg-card-hover: #1a1a2e;
  --bg-surface: #16162a;

  /* Text */
  --text-primary: #eaeaf2;
  --text-secondary: #a0a0b8;
  --text-muted: #5c5c72;

  /* Accent Colors */
  --accent-red: #ef4444;
  --accent-crimson: #dc2626;
  --accent-cyan: #06b6d4;
  --accent-green: #22c55e;
  --accent-purple: #a855f7;
  --accent-orange: #f97316;
  --accent-blue: #3b82f6;
  --accent-yellow: #eab308;
  --accent-pink: #ec4899;

  /* Category Colors */
  --cat-offensive: #ef4444;
  --cat-defensive: #3b82f6;
  --cat-analysis: #a855f7;
  --cat-engineering: #22c55e;
  --cat-management: #f97316;
  --cat-foundation: #06b6d4;

  /* Glows */
  --glow-red: 0 0 30px rgba(239,68,68,0.2);
  --glow-cyan: 0 0 30px rgba(6,182,212,0.2);
  --glow-green: 0 0 30px rgba(34,197,94,0.2);
  --glow-purple: 0 0 30px rgba(168,85,247,0.2);

  /* Borders */
  --border-color: rgba(255,255,255,0.06);
  --border-glow: rgba(239,68,68,0.3);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ═══ RESET & BASE ═══ */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ═══ BACKGROUND EFFECTS ═══ */
.noise-overlay {
  position: fixed;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1000;
}

.grid-bg {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

.glow-orb {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.07;
  pointer-events: none;
  z-index: 0;
}
.glow-orb.red { background: var(--accent-red); top: -200px; right: -200px; }
.glow-orb.blue { background: var(--accent-blue); bottom: -200px; left: -200px; }

/* ═══ HEADER / NAV ═══ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 500;
  background: rgba(6,6,12,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
}

.brand img {
  width: 32px;
  height: 32px;
  border-radius: 6px;
}

.brand span {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 2px;
}

.brand .sub {
  color: var(--accent-red);
  font-weight: 500;
  font-size: 0.85rem;
  letter-spacing: 1px;
  margin-left: -4px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a, .nav-links button {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.9rem;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition-fast);
}

.nav-links a:hover, .nav-links button:hover,
.nav-links a.active, .nav-links button.active {
  color: var(--text-primary);
  background: rgba(255,255,255,0.06);
}

/* ═══ PAGE SECTIONS ═══ */
.page-section {
  min-height: 100vh;
  padding: 100px 24px 60px;
  position: relative;
  z-index: 1;
}

.page-section.hidden {
  display: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

/* ═══ HERO SECTION ═══ */
#hero {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 100vh;
}

#hero .container {
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.2);
  color: var(--accent-red);
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 32px;
  animation: fadeInDown 0.8s ease;
}

.hero-badge .pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-red);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-title {
  font-family: 'Rajdhani', sans-serif;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease 0.1s both;
}

.hero-title .gradient {
  background: linear-gradient(135deg, var(--accent-red) 0%, var(--accent-orange) 50%, var(--accent-yellow) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.7;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.3s both;
}

/* ═══ BUTTONS ═══ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition-normal);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-red), var(--accent-crimson));
  color: white;
  box-shadow: 0 4px 20px rgba(239,68,68,0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(239,68,68,0.4);
}

.btn-secondary {
  background: rgba(255,255,255,0.06);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.15);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--accent-red);
  border: 1px solid var(--accent-red);
}

.btn-outline:hover {
  background: rgba(239,68,68,0.1);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
}

/* ═══ QUIZ SECTION ═══ */
#quiz {
  display: flex;
  align-items: center;
  justify-content: center;
}

.quiz-container {
  max-width: 720px;
  width: 100%;
}

/* Progress Bar */
.quiz-progress {
  margin-bottom: 40px;
}

.quiz-progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.quiz-progress-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.quiz-progress-count {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: var(--accent-red);
  font-weight: 600;
}

.progress-track {
  width: 100%;
  height: 6px;
  background: rgba(255,255,255,0.06);
  border-radius: 100px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-red), var(--accent-orange));
  border-radius: 100px;
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 12px rgba(239,68,68,0.4);
}

/* Quiz Card */
.quiz-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  animation: cardSlideIn 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.quiz-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-red), transparent);
  opacity: 0.5;
}

@keyframes cardSlideIn {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes cardSlideOut {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(-40px); }
}

.quiz-card.slide-out {
  animation: cardSlideOut 0.3s ease forwards;
}

.quiz-question-number {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--accent-red);
  margin-bottom: 8px;
  letter-spacing: 1px;
}

.quiz-question {
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 32px;
  color: var(--text-primary);
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.quiz-option {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-normal);
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
  text-align: left;
}

.quiz-option:hover {
  background: rgba(239,68,68,0.06);
  border-color: rgba(239,68,68,0.2);
  color: var(--text-primary);
  transform: translateX(4px);
}

.quiz-option.selected {
  background: rgba(239,68,68,0.1);
  border-color: var(--accent-red);
  color: var(--text-primary);
  box-shadow: var(--glow-red);
}

.option-letter {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: var(--transition-normal);
}

.quiz-option:hover .option-letter {
  border-color: rgba(239,68,68,0.3);
  color: var(--accent-red);
}

.quiz-option.selected .option-letter {
  background: var(--accent-red);
  border-color: var(--accent-red);
  color: white;
}

/* ═══ RESULTS SECTION ═══ */
#results {
  display: flex;
  align-items: center;
  justify-content: center;
}

.results-container {
  max-width: 900px;
  width: 100%;
}

.result-main {
  text-align: center;
  margin-bottom: 48px;
  animation: fadeInUp 0.8s ease;
}

.result-icon {
  font-size: 4rem;
  margin-bottom: 16px;
  display: block;
  animation: bounceIn 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55) 0.2s both;
}

@keyframes bounceIn {
  from { opacity: 0; transform: scale(0.3); }
  50% { transform: scale(1.05); }
  70% { transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

.result-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 8px;
}

.result-title {
  font-family: 'Rajdhani', sans-serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.result-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

/* Score Cards */
.result-scores {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
  margin-bottom: 40px;
}

.score-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  animation: fadeInUp 0.5s ease both;
  transition: var(--transition-fast);
}

.score-card:hover {
  border-color: rgba(255,255,255,0.1);
  background: var(--bg-card-hover);
}

.score-card.top {
  border-color: rgba(239,68,68,0.3);
  background: rgba(239,68,68,0.05);
}

.score-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.score-info {
  flex: 1;
  min-width: 0;
}

.score-name {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.score-bar-track {
  width: 100%;
  height: 4px;
  background: rgba(255,255,255,0.06);
  border-radius: 100px;
  overflow: hidden;
}

.score-bar-fill {
  height: 100%;
  border-radius: 100px;
  transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.score-percent {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
  min-width: 40px;
  text-align: right;
}

.result-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ═══ ROADMAP SECTION ═══ */
#roadmap {
  padding-top: 80px;
  min-height: auto;
}

.roadmap-header {
  text-align: center;
  margin-bottom: 40px;
}

.roadmap-title {
  font-family: 'Rajdhani', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 12px;
}

.roadmap-subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto 32px;
}

/* Roadmap Filters */
.roadmap-filters {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.filter-btn {
  padding: 8px 20px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-color);
  border-radius: 100px;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-btn:hover {
  background: rgba(255,255,255,0.06);
  color: var(--text-primary);
}

.filter-btn.active {
  background: rgba(239,68,68,0.1);
  border-color: rgba(239,68,68,0.3);
  color: var(--accent-red);
}

/* Roadmap Tree */
.roadmap-tree {
  max-width: 1000px;
  margin: 0 auto;
  padding-bottom: 80px;
}

/* Category Section */
.roadmap-category {
  margin-bottom: 16px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  transition: var(--transition-normal);
}

.roadmap-category.collapsed .category-content {
  display: none;
}

.roadmap-category:hover {
  border-color: rgba(255,255,255,0.1);
}

.category-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  user-select: none;
  transition: var(--transition-fast);
}

.category-header:hover {
  background: rgba(255,255,255,0.02);
}

.category-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: 1.3rem;
  flex-shrink: 0;
}

.category-info {
  flex: 1;
}

.category-name {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.category-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.category-toggle {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: var(--transition-normal);
}

.roadmap-category:not(.collapsed) .category-toggle {
  transform: rotate(180deg);
}

.category-content {
  padding: 0 24px 24px;
}

/* Career Path Group */
.path-group {
  margin-bottom: 20px;
}

.path-group:last-child {
  margin-bottom: 0;
}

.path-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.path-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.path-name {
  font-weight: 600;
  font-size: 1rem;
}

.path-tag {
  font-size: 0.7rem;
  padding: 2px 10px;
  border-radius: 100px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-left: auto;
}

/* Roadmap Nodes */
.roadmap-nodes {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-left: 16px;
  border-left: 2px solid rgba(255,255,255,0.06);
  position: relative;
}

.roadmap-node {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-normal);
  font-size: 0.85rem;
  color: var(--text-secondary);
  min-width: 0;
}

.roadmap-node::before {
  content: '';
  position: absolute;
  left: -17px;
  width: 12px;
  height: 2px;
  top: 50%;
}

.roadmap-node:hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.12);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.roadmap-node.completed {
  background: rgba(34,197,94,0.08);
  border-color: rgba(34,197,94,0.2);
  color: var(--accent-green);
}

.roadmap-node.highlighted {
  border-color: rgba(239,68,68,0.3);
  background: rgba(239,68,68,0.06);
  color: var(--text-primary);
  box-shadow: 0 0 16px rgba(239,68,68,0.1);
}

.node-check {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.15);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition-fast);
  font-size: 0.7rem;
}

.roadmap-node.completed .node-check {
  background: var(--accent-green);
  border-color: var(--accent-green);
  color: white;
}

.node-label {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.node-arrow {
  color: var(--text-muted);
  font-size: 0.7rem;
  flex-shrink: 0;
  margin-left: auto;
}

/* Flow connectors between nodes */
.flow-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
  padding-left: 16px;
  border-left: 2px solid rgba(255,255,255,0.06);
  margin-bottom: 10px;
}

.flow-row:last-child {
  margin-bottom: 0;
}

.flow-node {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-normal);
  font-size: 0.82rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

.flow-node:hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.12);
  color: var(--text-primary);
}

.flow-node.completed {
  background: rgba(34,197,94,0.08);
  border-color: rgba(34,197,94,0.2);
  color: var(--accent-green);
}

.flow-node.highlighted {
  border-color: rgba(239,68,68,0.3);
  background: rgba(239,68,68,0.06);
}

.flow-connector {
  color: var(--text-muted);
  font-size: 0.75rem;
  padding: 0 2px;
  flex-shrink: 0;
}

.flow-node .check {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.12);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.65rem;
  transition: var(--transition-fast);
}

.flow-node.completed .check {
  background: var(--accent-green);
  border-color: var(--accent-green);
  color: white;
}

/* Node detail tooltip / modal */
.node-tooltip {
  position: fixed;
  z-index: 600;
  background: var(--bg-surface);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: 20px;
  max-width: 360px;
  width: 90vw;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  animation: tooltipIn 0.2s ease;
  pointer-events: auto;
}

@keyframes tooltipIn {
  from { opacity: 0; transform: translateY(8px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.node-tooltip-overlay {
  position: fixed;
  inset: 0;
  z-index: 599;
  background: rgba(0,0,0,0.4);
}

.tooltip-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 12px;
}

.tooltip-title {
  font-weight: 700;
  font-size: 1rem;
}

.tooltip-close {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.05);
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1rem;
  flex-shrink: 0;
  transition: var(--transition-fast);
}

.tooltip-close:hover {
  background: rgba(255,255,255,0.1);
  color: var(--text-primary);
}

.tooltip-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.tooltip-meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.tooltip-tag {
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 100px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
}

.tooltip-resources {
  border-top: 1px solid var(--border-color);
  padding-top: 12px;
}

.tooltip-resources h4 {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.tooltip-resources a {
  display: block;
  font-size: 0.82rem;
  color: var(--accent-cyan);
  text-decoration: none;
  padding: 4px 0;
  transition: var(--transition-fast);
}

.tooltip-resources a:hover {
  color: var(--text-primary);
}

.tooltip-actions {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}

/* ═══ STATS BAR ═══ */
.stats-bar {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
  padding: 16px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.stat-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent-red);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ═══ ANIMATIONS ═══ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ═══ FOOTER ═══ */
.site-footer {
  text-align: center;
  padding: 32px 24px;
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.8rem;
  position: relative;
  z-index: 1;
}

.site-footer a {
  color: var(--accent-red);
  text-decoration: none;
}

/* ═══ RESPONSIVE ═══ */
@media (max-width: 768px) {
  .site-header {
    background: rgba(6,6,12,0.96);
    backdrop-filter: none;
  }

  .noise-overlay,
  .grid-bg,
  .glow-orb {
    display: none;
  }

  .header-inner {
    min-height: 64px;
    height: auto;
    padding: 12px 16px;
    gap: 12px;
  }

  .nav-links {
    display: none;
  }

  .brand {
    min-width: 0;
  }

  .brand span {
    font-size: 1rem;
    letter-spacing: 1.5px;
  }

  .brand .sub {
    font-size: 0.75rem;
  }

  .page-section {
    padding: 96px 16px 40px;
  }

  .quiz-card {
    padding: 32px 24px;
  }

  .quiz-question {
    font-size: 1.15rem;
  }

  .quiz-option {
    padding: 14px 16px;
    font-size: 0.9rem;
  }

  .result-scores {
    grid-template-columns: 1fr;
  }

  .result-title {
    line-height: 1.08;
  }

  .result-desc {
    font-size: 1rem;
  }

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

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .roadmap-filters {
    justify-content: flex-start;
    flex-wrap: nowrap;
    gap: 6px;
    overflow-x: auto;
    padding-bottom: 8px;
    margin-bottom: 36px;
    scrollbar-width: none;
  }

  .roadmap-filters::-webkit-scrollbar {
    display: none;
  }

  .filter-btn {
    padding: 6px 14px;
    font-size: 0.8rem;
    white-space: nowrap;
  }

  .category-header {
    padding: 16px;
    gap: 12px;
  }

  .category-content {
    padding: 0 16px 16px;
  }

  .path-header {
    align-items: flex-start;
  }

  .roadmap-nodes {
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: stretch;
    gap: 8px;
    padding-left: 12px;
  }

  .roadmap-node {
    width: 100%;
  }

  .node-label {
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
  }

  .node-arrow {
    display: none;
  }

  .flow-row {
    flex-direction: column;
    align-items: stretch;
  }

  .flow-connector {
    text-align: center;
    transform: rotate(90deg);
    padding: 4px 0;
  }

  .stats-bar {
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }

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

  .result-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .header-inner {
    padding: 10px 12px;
  }

  .brand {
    gap: 8px;
  }

  .brand img {
    width: 28px;
    height: 28px;
  }

  .brand span {
    font-size: 0.92rem;
    letter-spacing: 1.2px;
  }

  .brand .sub {
    font-size: 0.7rem;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-desc {
    font-size: 1rem;
  }

  .quiz-card {
    padding: 24px 18px;
    border-radius: var(--radius-lg);
  }

  .category-name {
    font-size: 1rem;
  }

  .category-desc {
    display: none;
  }
}

/* ═══ SCROLLBAR ═══ */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.1);
  border-radius: 100px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255,255,255,0.2);
}

/* ═══ UTILITY ═══ */
.hidden { display: none !important; }
.text-center { text-align: center; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }