/* AutoShop Guide - Main Stylesheet */

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #eff6ff;
  --secondary: #10b981;
  --secondary-dark: #059669;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --dark: #1e293b;
  --dark-mid: #334155;
  --gray: #64748b;
  --gray-light: #94a3b8;
  --bg: #f8fafc;
  --bg-white: #ffffff;
  --border: #e2e8f0;
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
  --radius: 12px;
  --radius-lg: 20px;
  --font-main: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

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

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

body {
  font-family: var(--font-main);
  background: var(--bg);
  color: var(--dark);
  line-height: 1.6;
  min-height: 100vh;
}

/* ===== READING PROGRESS BAR ===== */
#reading-progress {
  position: fixed;
  top: 0; left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  z-index: 9999;
  transition: width 0.1s ease;
}

/* ===== NAVIGATION ===== */
.navbar {
  position: fixed;
  top: 3px; left: 0; right: 0;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  padding: 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--dark);
}

.nav-logo-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.1rem;
}

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

.nav-links a {
  text-decoration: none;
  color: var(--gray);
  padding: 0.5rem 0.875rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--primary);
  background: var(--primary-light);
}

.nav-cta {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark)) !important;
  color: white !important;
  padding: 0.5rem 1.25rem !important;
  border-radius: 8px !important;
  font-weight: 600 !important;
}

.nav-cta:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  background: linear-gradient(135deg, var(--primary), var(--primary-dark)) !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 5px;
  background: none;
  border: none;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ===== HERO SECTION ===== */
.hero {
  padding: 120px 1.5rem 80px;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #0f172a 100%);
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 20% 50%, rgba(37,99,235,0.3) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 50%, rgba(16,185,129,0.2) 0%, transparent 60%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 50px 50px;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(37,99,235,0.2);
  border: 1px solid rgba(37,99,235,0.4);
  color: #93c5fd;
  padding: 0.375rem 1rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: 3.25rem;
  font-weight: 800;
  color: white;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.hero h1 span {
  background: linear-gradient(135deg, #60a5fa, #34d399);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.1rem;
  color: #94a3b8;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  padding: 0.875rem 2rem;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: all 0.3s;
  box-shadow: 0 4px 15px rgba(37,99,235,0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37,99,235,0.5);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255,255,255,0.1);
  color: white;
  padding: 0.875rem 2rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border: 1px solid rgba(255,255,255,0.2);
  transition: all 0.3s;
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.2);
  transform: translateY(-2px);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.hero-stat h3 {
  font-size: 2rem;
  font-weight: 800;
  color: white;
}

.hero-stat p {
  font-size: 0.85rem;
  color: #64748b;
}

/* Hero book mockup */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.book-mockup {
  width: 340px;
  background: linear-gradient(135deg, #1e3a5f, #0f172a);
  border-radius: 16px;
  padding: 2.5rem;
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 30px 60px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.05);
  position: relative;
}

.book-mockup::before {
  content: '';
  position: absolute;
  left: -1px; top: 20px; bottom: 20px;
  width: 8px;
  background: linear-gradient(180deg, var(--primary), var(--secondary));
  border-radius: 4px 0 0 4px;
}

.book-cover-top {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.book-logo {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
}

.book-label {
  font-size: 0.75rem;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.book-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: white;
  line-height: 1.3;
  margin-bottom: 1rem;
}

.book-subtitle {
  font-size: 0.875rem;
  color: #94a3b8;
  margin-bottom: 1.5rem;
}

.book-chapters-preview {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.book-chapter-item {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.8rem;
  color: #64748b;
}

.book-chapter-item .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--primary);
  flex-shrink: 0;
}

/* ===== MAIN CONTENT ===== */
.main-content {
  padding-top: 64px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ===== SECTIONS ===== */
.section {
  padding: 5rem 1.5rem;
}

.section-dark {
  background: var(--dark);
  color: white;
}

.section-alt {
  background: var(--bg-white);
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  padding: 0.375rem 1rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 1rem;
  line-height: 1.2;
}

.section-dark .section-title { color: white; }
.section-dark .section-tag {
  background: rgba(37,99,235,0.2);
  color: #93c5fd;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--gray);
  max-width: 600px;
  margin: 0 auto;
}

.section-dark .section-subtitle { color: #94a3b8; }

/* ===== CARDS GRID ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--bg-white);
  border-radius: var(--radius);
  padding: 1.75rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: all 0.3s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary);
}

.card-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.25rem;
}

.card-icon.blue { background: #eff6ff; }
.card-icon.green { background: #f0fdf4; }
.card-icon.amber { background: #fffbeb; }
.card-icon.purple { background: #f5f3ff; }
.card-icon.pink { background: #fdf2f8; }
.card-icon.teal { background: #f0fdfa; }
.card-icon.red { background: #fef2f2; }
.card-icon.indigo { background: #eef2ff; }

.card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 0.625rem;
}

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

/* ===== CHAPTER CARDS ===== */
.chapter-card {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  background: var(--bg-white);
  border-radius: var(--radius);
  padding: 1.75rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: all 0.3s;
  text-decoration: none;
  color: inherit;
}

.chapter-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary);
}

.chapter-number {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 800;
  flex-shrink: 0;
}

.chapter-info h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 0.375rem;
}

.chapter-info p {
  font-size: 0.875rem;
  color: var(--gray);
  line-height: 1.5;
}

.chapter-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--gray-light);
}

.chapter-meta span {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* ===== CHAPTER PAGE ===== */
.chapter-page {
  padding-top: 64px;
}

.chapter-hero {
  background: linear-gradient(135deg, #0f172a, #1e3a5f);
  padding: 4rem 1.5rem 3rem;
  color: white;
}

.chapter-hero-inner {
  max-width: 860px;
  margin: 0 auto;
}

.chapter-label {
  font-size: 0.85rem;
  color: #60a5fa;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}

.chapter-hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.chapter-hero-desc {
  font-size: 1.1rem;
  color: #94a3b8;
  line-height: 1.7;
}

.chapter-body {
  max-width: 860px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.chapter-body h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--dark);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  padding-left: 1rem;
  border-left: 4px solid var(--primary);
}

.chapter-body h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--dark-mid);
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
}

.chapter-body p {
  color: var(--dark-mid);
  margin-bottom: 1.25rem;
  line-height: 1.8;
  font-size: 1rem;
}

.chapter-body ul, .chapter-body ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.chapter-body li {
  color: var(--dark-mid);
  margin-bottom: 0.5rem;
  line-height: 1.7;
}

.chapter-body img {
  max-width: 100%;
  border-radius: var(--radius);
  margin: 1.5rem 0;
  box-shadow: var(--shadow-lg);
}

/* Callout boxes */
.callout {
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
  border-left: 4px solid;
}

.callout-info {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary-dark);
}

.callout-success {
  background: #f0fdf4;
  border-color: var(--secondary);
  color: var(--secondary-dark);
}

.callout-warning {
  background: #fffbeb;
  border-color: var(--accent);
  color: var(--accent-dark);
}

.callout-title {
  font-weight: 700;
  margin-bottom: 0.5rem;
}

/* Tool cards */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.tool-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: all 0.2s;
}

.tool-card:hover {
  box-shadow: var(--shadow);
  border-color: var(--primary);
}

.tool-name {
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 0.25rem;
}

.tool-desc {
  font-size: 0.85rem;
  color: var(--gray);
}

.tool-price {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  background: var(--primary-light);
  color: var(--primary);
}

/* Steps */
.steps {
  margin: 1.5rem 0;
}

.step {
  display: flex;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
  align-items: flex-start;
}

.step-num {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.step-content h4 {
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 0.375rem;
}

.step-content p {
  font-size: 0.9rem;
  color: var(--gray);
  margin-bottom: 0 !important;
}

/* ===== FEATURES / BENEFITS ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.feature-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.feature-icon {
  width: 44px; height: 44px;
  background: var(--primary-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.feature-text h4 {
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 0.25rem;
}

.feature-text p {
  font-size: 0.875rem;
  color: var(--gray);
  line-height: 1.5;
}

/* ===== TABLE ===== */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin: 1.5rem 0;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  background: var(--dark);
  color: white;
  padding: 1rem 1.25rem;
  text-align: left;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.data-table td {
  padding: 0.875rem 1.25rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--dark-mid);
}

.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--primary-light); }

.data-table .total-row td {
  background: #f0fdf4;
  font-weight: 700;
  color: var(--secondary-dark);
}

/* ===== TIMELINE ===== */
.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0.625rem;
  top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--primary), var(--secondary));
}

.timeline-item {
  position: relative;
  margin-bottom: 2rem;
}

.timeline-dot {
  position: absolute;
  left: -1.75rem;
  top: 0.25rem;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid white;
  box-shadow: 0 0 0 3px rgba(37,99,235,0.2);
}

.timeline-content {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
}

.timeline-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.375rem;
}

.timeline-content h4 {
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 0.5rem;
}

.timeline-content p {
  font-size: 0.875rem;
  color: var(--gray);
}

/* ===== CHECKLIST ===== */
.checklist {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  margin: 1.5rem 0;
}

.check-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.check-icon {
  width: 22px; height: 22px;
  background: #f0fdf4;
  border: 2px solid var(--secondary);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.75rem;
  color: var(--secondary);
}

.check-item p {
  font-size: 0.9rem;
  color: var(--dark-mid);
  margin: 0 !important;
  line-height: 1.4;
}

/* ===== CHAPTER NAVIGATION ===== */
.chapter-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin: 3rem 0;
  padding: 1.5rem;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.chapter-nav-link {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  transition: all 0.2s;
}

.chapter-nav-link:hover {
  background: var(--primary-light);
}

.chapter-nav-back {
  color: var(--gray);
  font-size: 0.85rem;
  text-align: center;
}

.chapter-nav-back a {
  color: var(--primary);
  text-decoration: none;
}

/* ===== PAGE HEADER (non-hero pages) ===== */
.page-header {
  background: linear-gradient(135deg, var(--dark), var(--dark-mid));
  padding: 5rem 1.5rem 3rem;
  color: white;
  text-align: center;
}

.page-header h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.page-header p {
  font-size: 1.1rem;
  color: #94a3b8;
  max-width: 600px;
  margin: 0 auto;
}

/* ===== TESTIMONIALS ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.testimonial-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 1.75rem;
}

.testimonial-stars {
  color: #f59e0b;
  font-size: 1rem;
  margin-bottom: 1rem;
  letter-spacing: 0.1em;
}

.testimonial-text {
  color: #cbd5e1;
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1.25rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.author-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1rem;
}

.author-name {
  font-weight: 600;
  color: white;
  font-size: 0.9rem;
}

.author-role {
  font-size: 0.8rem;
  color: #64748b;
}

/* ===== CTA SECTION ===== */
.cta-section {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  padding: 5rem 1.5rem;
  text-align: center;
  color: white;
}

.cta-section h2 {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.cta-section p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  opacity: 0.85;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.btn-white {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: white;
  color: var(--primary);
  padding: 0.875rem 2.25rem;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: all 0.3s;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.3);
}

/* ===== FOOTER ===== */
.footer {
  background: #0f172a;
  color: #94a3b8;
  padding: 4rem 1.5rem 2rem;
}

.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  text-decoration: none;
}

.footer-logo-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.1rem;
}

.footer-brand-name {
  font-weight: 800;
  font-size: 1.1rem;
  color: white;
}

.footer-desc {
  font-size: 0.875rem;
  line-height: 1.6;
  color: #64748b;
  margin-bottom: 1.5rem;
}

.footer-col h4 {
  color: white;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

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

.footer-links a {
  color: #64748b;
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s;
}

.footer-links a:hover { color: white; }

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 1.5rem;
  border-top: 1px solid #1e293b;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: #475569;
}

/* ===== BACK TO TOP ===== */
#back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px; height: 44px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.1rem;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  transition: all 0.3s;
  z-index: 999;
}

#back-to-top.visible { display: flex; }
#back-to-top:hover { transform: translateY(-3px); background: var(--primary-dark); }

/* ===== BADGE & TAGS ===== */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-blue { background: var(--primary-light); color: var(--primary); }
.badge-green { background: #f0fdf4; color: var(--secondary-dark); }
.badge-amber { background: #fffbeb; color: var(--accent-dark); }
.badge-red { background: #fef2f2; color: #dc2626; }

/* ===== RESOURCES PAGE ===== */
.resource-section {
  margin-bottom: 3rem;
}

.resource-section h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.resource-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.resource-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: all 0.2s;
  text-decoration: none;
  color: inherit;
  display: block;
}

.resource-card:hover {
  box-shadow: var(--shadow);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.resource-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.625rem;
}

.resource-card h4 {
  font-weight: 700;
  color: var(--dark);
  font-size: 1rem;
}

.resource-card p {
  font-size: 0.875rem;
  color: var(--gray);
  line-height: 1.5;
}

/* ===== CONTACT PAGE ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  align-items: start;
}

.contact-info-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1rem;
  background: var(--bg);
  border-radius: var(--radius);
  margin-bottom: 1rem;
}

.contact-info-icon {
  width: 44px; height: 44px;
  background: var(--primary-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-form-wrap {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow);
}

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

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--dark);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: var(--font-main);
  color: var(--dark);
  background: var(--bg);
  transition: border-color 0.2s;
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--primary);
  background: white;
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

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

.btn-submit {
  width: 100%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  padding: 0.875rem;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37,99,235,0.4);
}

/* ===== ABOUT PAGE ===== */
.about-hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  max-width: 1000px;
  margin: 0 auto;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin: 2rem 0;
}

.stat-box {
  text-align: center;
  padding: 1.5rem;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.stat-box h3 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
}

.stat-box p {
  font-size: 0.85rem;
  color: var(--gray);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-container { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-hero-content { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-links { display: none; position: fixed; top: 67px; left: 0; right: 0; background: white; padding: 1rem; box-shadow: var(--shadow); flex-direction: column; border-top: 1px solid var(--border); }
  .nav-links.active { display: flex; }
  .nav-toggle { display: flex; }
  .hero { padding: 100px 1.5rem 60px; min-height: auto; }
  .hero h1 { font-size: 2.25rem; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .section-title { font-size: 1.75rem; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
  .chapter-hero h1 { font-size: 1.75rem; }
  .chapter-nav { flex-direction: column; text-align: center; }
  .page-header h1 { font-size: 1.75rem; }
}

@media (max-width: 480px) {
  .hero-stats { grid-template-columns: 1fr; }
  .cards-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .btn-primary, .btn-secondary { justify-content: center; }
}

/* ===== UTILITIES ===== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.flex { display: flex; }
.items-center { align-items: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.font-bold { font-weight: 700; }
.text-primary { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.text-gray { color: var(--gray); }
.hidden { display: none; }

/* Income calculator */
.calc-section {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin: 1.5rem 0;
  box-shadow: var(--shadow);
}

.calc-section h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--dark);
}

.calc-inputs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.calc-input-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gray);
  margin-bottom: 0.375rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.calc-input-group input {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--dark);
  outline: none;
}

.calc-input-group input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.calc-result {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.calc-result h4 {
  font-size: 0.9rem;
  opacity: 0.85;
}

.calc-result .amount {
  font-size: 2rem;
  font-weight: 800;
}

/* Progress bar for chapter */
.progress-bar-wrap {
  background: #e2e8f0;
  border-radius: 4px;
  height: 6px;
  margin: 1rem 0;
  overflow: hidden;
}

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

/* Highlight box */
.highlight-box {
  background: linear-gradient(135deg, var(--primary-light), #f0fdf4);
  border: 1px solid var(--primary);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin: 1.5rem 0;
}

.highlight-box h4 {
  color: var(--primary-dark);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.highlight-box p {
  color: var(--dark-mid);
  font-size: 0.9rem;
  margin-bottom: 0 !important;
}

/* Week plan (chapter 5) */
.week-plan {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0;
}

.week-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  border-top: 4px solid var(--primary);
}

.week-card:nth-child(2) { border-top-color: var(--secondary); }
.week-card:nth-child(3) { border-top-color: var(--accent); }
.week-card:nth-child(4) { border-top-color: #8b5cf6; }

.week-card h4 {
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 0.875rem;
}

.week-card ul {
  padding-left: 1.25rem;
}

.week-card li {
  font-size: 0.875rem;
  color: var(--gray);
  margin-bottom: 0.375rem;
}