/* Quiz Maker AI - Main Stylesheet */
:root {
  --navy: #0a1628;
  --navy-mid: #0d1f3c;
  --navy-light: #162d52;
  --blue: #1a6cf0;
  --blue-bright: #2979ff;
  --cyan: #00c8e0;
  --cyan-light: #7df0ff;
  --white: #f4f8ff;
  --gray-100: #e8edf7;
  --gray-200: #c8d4e8;
  --gray-400: #8899b8;
  --gray-600: #4a5878;
  --accent-green: #00e5a0;
  --accent-purple: #7c4dff;
  --font-display: 'DM Serif Display', serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --shadow-sm: 0 2px 8px rgba(10,22,40,0.15);
  --shadow-md: 0 8px 32px rgba(10,22,40,0.25);
  --shadow-lg: 0 20px 60px rgba(10,22,40,0.4);
  --radius: 12px;
  --radius-lg: 24px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

[data-theme="light"] {
  --bg-primary: #f0f4ff;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --text-primary: #0a1628;
  --text-secondary: #2d3f60;
  --text-muted: #5a6f90;
  --border: rgba(26,108,240,0.12);
  --hero-overlay: rgba(10,22,40,0.04);
}

[data-theme="dark"], body {
  --bg-primary: #070e1c;
  --bg-secondary: #0a1628;
  --bg-card: #0d1f3c;
  --text-primary: #f4f8ff;
  --text-secondary: #c8d4e8;
  --text-muted: #8899b8;
  --border: rgba(0,200,224,0.12);
  --hero-overlay: rgba(0,0,0,0.3);
}

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

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

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
}

/* Typography */
h1,h2,h3,h4,h5,h6 { font-family: var(--font-display); line-height: 1.2; }
h1 { font-size: clamp(2.5rem, 6vw, 5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); }
h4 { font-size: 1.2rem; }
p { color: var(--text-secondary); }

a { color: var(--cyan); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--cyan-light); }

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

/* Navigation */
.qm-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 1rem 0;
  background: rgba(7,14,28,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all var(--transition);
}

.qm-nav.scrolled {
  padding: 0.6rem 0;
  background: rgba(7,14,28,0.97);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--white) !important;
  white-space: nowrap;
}

.brand-icon {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

.nav-links > li { position: relative; }

.nav-links a {
  display: block;
  padding: 0.5rem 0.875rem;
  color: var(--gray-200);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 8px;
  transition: all var(--transition);
}

.nav-links a:hover, .nav-links a.active {
  color: var(--cyan);
  background: rgba(0,200,224,0.08);
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.5rem;
  min-width: 200px;
  box-shadow: var(--shadow-lg);
  z-index: 100;
}

.dropdown-menu a {
  display: block;
  padding: 0.6rem 1rem;
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.dropdown-menu a:hover { color: var(--cyan); background: rgba(0,200,224,0.08); }

.nav-links li:hover .dropdown-menu { display: block; }

.nav-actions { display: flex; align-items: center; gap: 0.75rem; }

.btn-icon {
  width: 38px; height: 38px;
  border-radius: 8px;
  background: var(--border);
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
  font-size: 0.9rem;
}

.btn-icon:hover { background: rgba(0,200,224,0.15); color: var(--cyan); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--gray-200);
  transition: all var(--transition);
  border-radius: 2px;
}

/* Buttons */
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: white;
  border: none;
  border-radius: 50px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 4px 20px rgba(26,108,240,0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(26,108,240,0.5);
  color: white;
}

.btn-secondary {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  background: transparent;
  color: var(--cyan);
  border: 1.5px solid rgba(0,200,224,0.4);
  border-radius: 50px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-secondary:hover {
  background: rgba(0,200,224,0.1);
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
}

/* Hero */
.qm-hero {
  min-height: 100vh;
  display: flex; align-items: center;
  position: relative;
  overflow: hidden;
  padding: 8rem 0 5rem;
}

.hero-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(26,108,240,0.15) 0%, transparent 60%),
              radial-gradient(ellipse 50% 40% at 80% 50%, rgba(0,200,224,0.08) 0%, transparent 50%),
              linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

#particles-canvas {
  position: absolute; inset: 0;
  pointer-events: none;
}

.hero-shapes { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }

.hero-content {
  position: relative; z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-text .badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(0,200,224,0.1);
  border: 1px solid rgba(0,200,224,0.25);
  border-radius: 50px;
  color: var(--cyan);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-text h1 {
  margin-bottom: 1.25rem;
  background: linear-gradient(135deg, var(--white) 0%, var(--cyan-light) 50%, var(--blue-bright) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-text p {
  font-size: 1.15rem;
  max-width: 520px;
  margin-bottom: 2rem;
  color: var(--text-secondary);
}

.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 3rem; }

.hero-stats {
  display: flex; gap: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.hero-stat .num {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--white);
  line-height: 1;
}

.hero-stat .label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-card-stack {
  position: relative;
  width: 100%;
  max-width: 460px;
}

.hero-main-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 2;
}

.hero-card-bg {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  z-index: 1;
}

.hero-card-bg:first-of-type {
  inset: -12px -12px auto auto;
  width: 80%;
  height: 70%;
  opacity: 0.5;
}

/* Sections */
.section-padding { padding: 6rem 0; }
.section-padding-sm { padding: 4rem 0; }

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 4rem;
}

.section-header .badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.35rem 0.875rem;
  background: rgba(0,200,224,0.08);
  border: 1px solid rgba(0,200,224,0.2);
  border-radius: 50px;
  color: var(--cyan);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section-header h2 {
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.section-header p { font-size: 1.05rem; color: var(--text-secondary); }

/* Quiz Components */
.quiz-section { padding: 6rem 0; background: var(--bg-secondary); }

.quizzes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 2rem;
}

.quiz-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  position: relative;
}

.quiz-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0,200,224,0.25);
}

.quiz-card-header {
  padding: 1.5rem 1.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  border-bottom: 1px solid var(--border);
}

.quiz-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.quiz-icon.blue { background: rgba(26,108,240,0.15); color: var(--blue-bright); }
.quiz-icon.cyan { background: rgba(0,200,224,0.15); color: var(--cyan); }
.quiz-icon.purple { background: rgba(124,77,255,0.15); color: var(--accent-purple); }

.quiz-meta { flex: 1; }
.quiz-meta h3 { font-size: 1.1rem; margin-bottom: 0.25rem; }
.quiz-meta span { font-size: 0.8rem; color: var(--text-muted); }

.quiz-body { padding: 1.5rem 1.75rem; }

.quiz-progress {
  margin-bottom: 1.5rem;
}

.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.progress-bar {
  height: 4px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  border-radius: 4px;
  transition: width 0.5s ease;
}

.quiz-question { margin-bottom: 1.25rem; }

.quiz-question p {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.875rem;
  line-height: 1.5;
}

.quiz-options { display: flex; flex-direction: column; gap: 0.5rem; }

.quiz-option {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--bg-secondary);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: all var(--transition);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.quiz-option:hover {
  border-color: rgba(0,200,224,0.35);
  background: rgba(0,200,224,0.05);
  color: var(--text-primary);
}

.quiz-option.selected {
  border-color: var(--blue-bright);
  background: rgba(26,108,240,0.1);
  color: var(--text-primary);
}

.quiz-option.correct {
  border-color: var(--accent-green);
  background: rgba(0,229,160,0.1);
  color: var(--text-primary);
}

.quiz-option.incorrect {
  border-color: #ff5252;
  background: rgba(255,82,82,0.08);
  color: var(--text-primary);
}

.option-letter {
  width: 26px; height: 26px;
  border-radius: 6px;
  background: var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
  transition: all var(--transition);
}

.quiz-option.selected .option-letter { background: var(--blue-bright); color: white; }
.quiz-option.correct .option-letter { background: var(--accent-green); color: var(--navy); }
.quiz-option.incorrect .option-letter { background: #ff5252; color: white; }

.quiz-explanation {
  display: none;
  padding: 0.875rem 1rem;
  background: rgba(0,200,224,0.06);
  border: 1px solid rgba(0,200,224,0.2);
  border-radius: 10px;
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.quiz-explanation.show { display: block; }
.quiz-explanation strong { color: var(--cyan); }

.quiz-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.75rem 1.5rem;
  gap: 0.75rem;
  border-top: 1px solid var(--border);
}

.quiz-score {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.score-badge {
  padding: 0.2rem 0.6rem;
  background: rgba(0,229,160,0.12);
  border-radius: 4px;
  color: var(--accent-green);
  font-weight: 700;
}

.quiz-result-panel {
  display: none;
  padding: 2rem;
  text-align: center;
}

.quiz-result-panel.show { display: block; }

.result-circle {
  width: 90px; height: 90px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1rem;
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: white;
  box-shadow: 0 8px 30px rgba(26,108,240,0.4);
}

/* Skill Explorer */
.skill-section { padding: 6rem 0; }

.skill-explorer {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.skill-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}

.skill-tab {
  flex: 1;
  padding: 1rem 1.5rem;
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border-bottom: 2px solid transparent;
}

.skill-tab:hover { color: var(--text-primary); }
.skill-tab.active { color: var(--cyan); border-bottom-color: var(--cyan); background: rgba(0,200,224,0.05); }

.skill-content { padding: 2.5rem; display: none; }
.skill-content.active { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; align-items: start; }

.skill-topics { display: flex; flex-direction: column; gap: 0.75rem; }

.topic-item {
  display: flex; align-items: center; gap: 1rem;
  padding: 0.875rem 1rem;
  background: var(--bg-secondary);
  border-radius: 10px;
  border: 1px solid var(--border);
}

.topic-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.topic-dot.blue { background: var(--blue-bright); }
.topic-dot.cyan { background: var(--cyan); }
.topic-dot.green { background: var(--accent-green); }
.topic-dot.purple { background: var(--accent-purple); }

.topic-info { flex: 1; }
.topic-info .name { font-size: 0.875rem; font-weight: 500; color: var(--text-primary); }
.topic-info .desc { font-size: 0.78rem; color: var(--text-muted); margin-top: 0.1rem; }

.skill-bar { display: flex; align-items: center; gap: 0.75rem; margin-top: 0.5rem; }
.skill-bar-track { flex: 1; height: 4px; background: var(--border); border-radius: 4px; overflow: hidden; }
.skill-bar-fill { height: 100%; border-radius: 4px; background: linear-gradient(90deg, var(--blue), var(--cyan)); }

/* Feature Cards */
.features-section { padding: 6rem 0; background: var(--bg-secondary); }

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  opacity: 0;
  transition: opacity var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,200,224,0.2);
  box-shadow: var(--shadow-md);
}

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

.feature-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.fi-blue { background: rgba(26,108,240,0.12); color: var(--blue-bright); }
.fi-cyan { background: rgba(0,200,224,0.12); color: var(--cyan); }
.fi-green { background: rgba(0,229,160,0.12); color: var(--accent-green); }
.fi-purple { background: rgba(124,77,255,0.12); color: var(--accent-purple); }

.feature-card h3 { font-size: 1.15rem; margin-bottom: 0.75rem; }
.feature-card p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; }

/* Testimonials */
.testimonials-section { padding: 6rem 0; }

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: all var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: rgba(0,200,224,0.15);
}

.testimonial-stars {
  display: flex;
  gap: 3px;
  margin-bottom: 1rem;
  color: #ffd740;
  font-size: 0.85rem;
}

.testimonial-text {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.testimonial-author img {
  width: 44px; height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border);
}

.author-name { font-size: 0.9rem; font-weight: 600; color: var(--text-primary); }
.author-role { font-size: 0.78rem; color: var(--text-muted); }

/* Team */
.team-section { padding: 6rem 0; background: var(--bg-secondary); }

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-align: center;
  transition: all var(--transition);
}

.team-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.team-img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  filter: grayscale(20%);
  transition: filter var(--transition);
}

.team-card:hover .team-img { filter: grayscale(0%); }

.team-info { padding: 1.25rem; }
.team-info h4 { margin-bottom: 0.25rem; font-size: 1rem; }
.team-role { font-size: 0.8rem; color: var(--cyan); font-weight: 500; }
.team-bio { font-size: 0.82rem; color: var(--text-muted); margin-top: 0.5rem; line-height: 1.5; }

/* Stats */
.stats-section {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--navy-mid), var(--navy-light));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-item .stat-num {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--white);
  line-height: 1;
  background: linear-gradient(135deg, var(--white), var(--cyan-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-item .stat-label {
  font-size: 0.85rem;
  color: var(--gray-400);
  margin-top: 0.5rem;
}

/* FAQ */
.faq-section { padding: 6rem 0; }

.faq-list { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 0.75rem; }

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

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  transition: color var(--transition);
  user-select: none;
  color: var(--text-primary);
}

.faq-question:hover { color: var(--cyan); }

.faq-icon {
  width: 24px; height: 24px;
  border-radius: 6px;
  background: var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem;
  transition: all var(--transition);
  flex-shrink: 0;
  color: var(--text-muted);
}

.faq-item.open .faq-icon {
  background: rgba(0,200,224,0.12);
  color: var(--cyan);
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}

.faq-answer.open {
  max-height: 300px;
  padding-bottom: 1.25rem;
}

.faq-answer p {
  padding: 0 1.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Newsletter */
.newsletter-section {
  padding: 5rem 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
}

.newsletter-inner {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.newsletter-form {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.newsletter-form input {
  flex: 1;
  padding: 0.875rem 1.25rem;
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: 50px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition);
}

.newsletter-form input:focus { border-color: rgba(0,200,224,0.4); }
.newsletter-form input::placeholder { color: var(--text-muted); }

/* Footer */
.qm-footer {
  background: var(--navy);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--gray-400);
  max-width: 280px;
  margin: 1rem 0 1.5rem;
  line-height: 1.7;
}

.footer-social { display: flex; gap: 0.75rem; }

.social-btn {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: rgba(255,255,255,0.06);
  display: flex; align-items: center; justify-content: center;
  color: var(--gray-400);
  font-size: 0.875rem;
  transition: all var(--transition);
  text-decoration: none;
}

.social-btn:hover { background: rgba(0,200,224,0.15); color: var(--cyan); }

.footer-col h5 {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 1rem;
  font-family: var(--font-body);
  font-weight: 700;
}

.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }

.footer-col ul li a {
  font-size: 0.875rem;
  color: var(--gray-400);
  transition: color var(--transition);
}

.footer-col ul li a:hover { color: var(--white); }

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p { font-size: 0.8rem; color: var(--gray-600); }
.footer-bottom a { color: var(--gray-400); font-size: 0.8rem; }
.footer-bottom a:hover { color: var(--white); }

/* Article */
.article-hero {
  padding: 8rem 0 5rem;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  border-bottom: 1px solid var(--border);
}

.article-body {
  padding: 4rem 0;
}

.article-container {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 3rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.article-content h2 { font-size: 1.8rem; margin: 2.5rem 0 1rem; color: var(--text-primary); }
.article-content h3 { font-size: 1.3rem; margin: 2rem 0 0.75rem; color: var(--text-primary); }
.article-content p { margin-bottom: 1.25rem; line-height: 1.8; }
.article-content ul, .article-content ol { padding-left: 1.5rem; margin-bottom: 1.25rem; }
.article-content li { margin-bottom: 0.5rem; color: var(--text-secondary); line-height: 1.7; }

.article-img {
  width: 100%;
  border-radius: var(--radius);
  margin: 2rem 0;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.article-sidebar { position: sticky; top: 6rem; height: fit-content; }

.sidebar-widget {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.sidebar-widget h4 { font-size: 0.9rem; margin-bottom: 1rem; }

/* Contact */
.contact-page { padding: 8rem 0 5rem; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.form-group { margin-bottom: 1.25rem; }

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  padding: 0.875rem 1.125rem;
  background: var(--bg-secondary);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition);
}

.form-control:focus { border-color: rgba(26,108,240,0.5); }
.form-control.error { border-color: #ff5252; }
.form-control::placeholder { color: var(--text-muted); }

textarea.form-control { min-height: 140px; resize: vertical; }

.form-error {
  font-size: 0.78rem;
  color: #ff5252;
  margin-top: 0.35rem;
  display: none;
}

.form-error.show { display: block; }

.captcha-box {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-secondary);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  margin-bottom: 1.25rem;
}

.captcha-question {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--text-primary);
  white-space: nowrap;
}

.captcha-input {
  width: 80px;
  padding: 0.5rem;
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 1rem;
  font-family: var(--font-mono);
  text-align: center;
  outline: none;
}

.captcha-refresh {
  background: none;
  border: none;
  color: var(--cyan);
  cursor: pointer;
  font-size: 1rem;
  padding: 0.25rem;
}

.contact-info { display: flex; flex-direction: column; gap: 1.5rem; }

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.contact-detail-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: rgba(0,200,224,0.1);
  display: flex; align-items: center; justify-content: center;
  color: var(--cyan);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-detail h5 { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 0.25rem; }
.contact-detail p { font-size: 0.9rem; color: var(--text-primary); }
.contact-detail a { color: var(--cyan); }

.map-container {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  margin-top: 1.5rem;
}

.map-container iframe { display: block; width: 100%; height: 280px; }

/* Legal pages */
.legal-page { padding: 8rem 0 5rem; }

.legal-content {
  max-width: 860px;
  margin: 0 auto;
}

.legal-content h2 { font-size: 1.5rem; margin: 2.5rem 0 1rem; color: var(--text-primary); }
.legal-content h3 { font-size: 1.15rem; margin: 1.75rem 0 0.75rem; color: var(--text-primary); }
.legal-content p { margin-bottom: 1rem; line-height: 1.8; }
.legal-content ul { padding-left: 1.5rem; margin-bottom: 1rem; }
.legal-content li { margin-bottom: 0.4rem; color: var(--text-secondary); }

.legal-intro {
  padding: 1.5rem;
  background: rgba(0,200,224,0.06);
  border: 1px solid rgba(0,200,224,0.15);
  border-radius: var(--radius);
  margin-bottom: 2rem;
}

.legal-intro p { color: var(--text-secondary); font-size: 0.9rem; margin: 0; }

/* Thank You */
.thankyou-page {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 6rem 2rem;
  text-align: center;
}

.thankyou-inner { max-width: 540px; }

.thankyou-icon {
  width: 90px; height: 90px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  display: flex; align-items: center; justify-content: center;
  font-size: 2.5rem;
  margin: 0 auto 2rem;
  box-shadow: 0 12px 40px rgba(26,108,240,0.4);
}

/* About */
.about-hero { padding: 8rem 0 5rem; }
.about-timeline { padding: 4rem 0; }

.timeline-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  align-items: start;
}

.timeline-year {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--cyan);
  font-weight: 700;
  padding-top: 0.1rem;
}

.timeline-content {
  padding-left: 1.5rem;
  border-left: 2px solid var(--border);
  padding-bottom: 2rem;
  position: relative;
}

.timeline-content::before {
  content: '';
  position: absolute;
  left: -5px; top: 6px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--cyan);
}

.timeline-content h4 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.timeline-content p { font-size: 0.9rem; color: var(--text-muted); }

/* Scroll to top */
.scroll-top {
  position: fixed;
  bottom: 2rem; right: 2rem;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  border: none;
  color: white;
  font-size: 1rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition);
  box-shadow: var(--shadow-md);
  z-index: 999;
}

.scroll-top.visible { opacity: 1; pointer-events: all; }
.scroll-top:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 1.25rem 2rem;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
  box-shadow: 0 -8px 30px rgba(0,0,0,0.3);
}

.cookie-banner.show { transform: translateY(0); }
.cookie-banner p { font-size: 0.875rem; color: var(--text-secondary); margin: 0; }
.cookie-banner a { color: var(--cyan); }
.cookie-actions { display: flex; gap: 0.75rem; flex-shrink: 0; }

/* SVG Dividers */
.svg-divider { overflow: hidden; line-height: 0; }
.svg-divider svg { display: block; }

/* Dark/Light Toggle */
.theme-toggle { cursor: pointer; }

/* Utility */
.text-cyan { color: var(--cyan) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-center { text-align: center; }
.fw-600 { font-weight: 600; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }

/* Responsive */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .article-container { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 1rem;
    gap: 0.25rem;
  }
  .testimonials-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr 1fr; }
  .quizzes-grid { grid-template-columns: 1fr; }
  .skill-content.active { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; }
  .hero-stats { gap: 1rem; }
  .newsletter-form { flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
}



.logo{
  max-width: 200px;
  object-fit: contain;
}

html{
  overflow-x: hidden;
}