:root {
  /* Colors */
  --bg-primary: #0a0f0d;
  --bg-secondary: #121815;
  --bg-glass: rgba(18, 24, 21, 0.85);
  --border-color: rgba(0, 255, 102, 0.15);
  --border-hover: rgba(0, 255, 102, 0.35);
  
  --text-primary: #f3f7f5;
  --text-secondary: #a3b3ab;
  --text-muted: #6b7a73;
  
  --accent-green: #00ff66;
  --accent-green-hover: #33ff85;
  --accent-green-light: rgba(0, 255, 102, 0.1);
  --accent-red: #ff4a4a;
  
  /* Fonts */
  --font-sans: 'Inter', sans-serif;
  --font-display: 'Outfit', sans-serif;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Shadow */
  --shadow-main: 0 10px 30px -10px rgba(0, 255, 102, 0.05);
  --shadow-glow: 0 0 20px rgba(0, 255, 102, 0.2);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) var(--bg-primary);
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  color: var(--text-primary);
}

h3 {
  font-size: clamp(1.4rem, 2.5vw, 1.8rem);
}

p {
  color: var(--text-secondary);
  font-size: clamp(1rem, 1.2vw, 1.125rem);
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 6rem 0;
}

.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.8rem;
  border-radius: 4px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--accent-green);
  color: #050906;
}

.btn-primary:hover {
  background-color: var(--accent-green-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--accent-green);
  color: var(--accent-green);
  background-color: var(--accent-green-light);
  transform: translateY(-2px);
}

.w-full {
  width: 100%;
}

/* Tags/Badges */
.badge {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  background-color: var(--accent-green-light);
  color: var(--accent-green);
  border: 1px solid var(--border-color);
  margin-bottom: 1rem;
}

/* Interactive Cards */
.card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 2.5rem;
  border-radius: 8px;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.card:hover {
  border-color: var(--accent-green);
  transform: translateY(-4px);
  box-shadow: var(--shadow-main);
}

/* Header Banner */
.banner {
  background: linear-gradient(90deg, #004d1f, #001f0c);
  color: var(--text-primary);
  text-align: center;
  padding: 0.65rem 1rem;
  font-size: 0.9rem;
  font-family: var(--font-display);
  font-weight: 550;
  border-bottom: 1px solid var(--border-color);
}

.banner a {
  color: var(--accent-green);
  text-decoration: underline;
  margin-left: 0.5rem;
}

/* Navbar */
.navbar-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-glass);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
}

.navbar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--text-primary);
}

.logo span {
  color: var(--accent-green);
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-item {
  position: relative;
}

.nav-link {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 550;
  color: var(--text-secondary);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem 0;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link:hover {
  color: var(--accent-green);
}

.nav-link svg {
  transition: transform var(--transition-fast);
}

.nav-item.dropdown:hover svg,
.nav-item.dropdown.active svg {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-main);
  border-radius: 6px;
  padding: 0.75rem 0;
  min-width: 180px;
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  z-index: 110;
}

.nav-item.dropdown:hover .dropdown-menu,
.nav-item.dropdown.active .dropdown-menu {
  display: flex;
}

.dropdown-item {
  padding: 0.5rem 1.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

.dropdown-item:hover {
  background-color: var(--accent-green-light);
  color: var(--accent-green);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
}

.mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  height: calc(100vh - 80px);
  background-color: var(--bg-primary);
  padding: 2rem 0;
  border-top: 1px solid var(--border-color);
  overflow-y: auto;
  z-index: 99;
}

.mobile-menu.active {
  display: block;
}

.mobile-menu-links {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.mobile-link {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.mobile-section-title {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  margin-top: 1rem;
}

.mobile-sublink {
  font-size: 1.05rem;
  color: var(--text-secondary);
  padding-left: 1rem;
}

/* Gradient details */
.gradient-text {
  background: linear-gradient(135deg, var(--accent-green) 0%, #33ffaa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Hero Section */
.hero {
  text-align: center;
  position: relative;
  padding: 8rem 0 6rem;
}

.hero h1 {
  margin-top: 1rem;
  margin-bottom: 1.5rem;
}

.hero-sub {
  max-width: 800px;
  margin: 0 auto 2.5rem;
  font-size: 1.25rem;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

/* Section header */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  margin-bottom: 1rem;
}

.section-subtitle {
  max-width: 700px;
  margin: 0 auto;
}

/* Problem grid styling */
.icon-wrapper {
  color: var(--accent-green);
  background-color: var(--accent-green-light);
  width: 50px;
  height: 50px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  border: 1px solid var(--border-color);
}

.problem-card h3 {
  margin-bottom: 0.75rem;
}

/* Tiers Grid */
.tiers-grid {
  align-items: stretch;
}

.tier-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.tier-card.popular {
  border-color: var(--accent-green);
  box-shadow: 0 0 20px rgba(0, 255, 102, 0.1);
  transform: scale(1.02);
}

.tier-badge {
  font-family: var(--font-display);
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--accent-green);
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
  font-weight: 700;
}

.popular-badge {
  background-color: var(--accent-green);
  color: #050906;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  align-self: flex-start;
}

.tier-name {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.tier-price {
  font-size: 3rem;
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.tier-price span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
}

.tier-description {
  font-size: 0.95rem;
  margin-bottom: 2rem;
  min-height: 50px;
}

.tier-features {
  list-style: none;
  padding: 0;
  margin: 0 0 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  text-align: left;
}

.tier-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.tier-features li svg {
  color: var(--accent-green);
  flex-shrink: 0;
}

.tier-btn {
  margin-top: auto;
  width: 100%;
}

/* Case study highlights */
.highlight-case-card {
  text-align: left;
}

.case-category {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--accent-green);
  font-weight: 600;
  display: inline-block;
  margin-bottom: 0.75rem;
}

.highlight-case-card h3 {
  margin-bottom: 1rem;
}

.highlight-case-card p {
  margin-bottom: 1.5rem;
}

.case-link {
  color: var(--accent-green);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
}

.case-link:hover {
  text-decoration: underline;
}

/* Quiz Card */
.quiz-card {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  padding: 3rem;
}

.quiz-intro {
  margin-bottom: 2.5rem;
}

.quiz-progress-bar {
  background-color: var(--bg-primary);
  height: 6px;
  border-radius: 3px;
  margin-bottom: 2.5rem;
  overflow: hidden;
}

.quiz-progress {
  height: 100%;
  width: 33%;
  background-color: var(--accent-green);
  transition: width 0.3s ease;
}

.quiz-question {
  margin-bottom: 2rem;
  font-size: 1.35rem;
  line-height: 1.4;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.quiz-opt-btn {
  width: 100%;
  padding: 1.2rem;
  font-size: 1.05rem;
  text-align: left;
  justify-content: flex-start;
}

.quiz-opt-btn:hover {
  border-color: var(--accent-green);
}

.quiz-result {
  display: none;
  animation: fadeIn 0.4s ease;
}

.result-badge {
  display: inline-block;
  padding: 0.5rem 1.2rem;
  border-radius: 4px;
  background-color: var(--accent-green-light);
  color: var(--accent-green);
  font-weight: 700;
  font-size: 1.25rem;
  border: 1px solid var(--border-color);
  margin: 1.5rem 0;
}

.result-desc {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

.result-recommend {
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 1.2rem;
  border-radius: 6px;
  margin-bottom: 2rem;
}

.quiz-result-actions {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

/* Subpages template layouts */
.page-intro {
  padding: 6rem 0 3rem;
  text-align: center;
}

.page-intro h1 {
  margin-bottom: 1rem;
}

.page-content-block {
  padding-bottom: 6rem;
}

.info-grid {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 4rem;
}

.info-sidebar h3 {
  margin-bottom: 1.5rem;
}

.checklist-items {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.checklist-items li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.checklist-items li svg {
  color: var(--accent-green);
  margin-top: 0.25rem;
  flex-shrink: 0;
}

/* Contact form */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  text-align: left;
}

.form-input {
  width: 100%;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.9rem 1.2rem;
  border-radius: 4px;
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: border-color 0.2s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-green);
}

textarea.form-input {
  resize: vertical;
  min-height: 120px;
}

/* Case study list */
.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2.5rem;
}

.case-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  text-align: left;
}

.case-card h3 {
  margin-bottom: 1rem;
  margin-top: 0.5rem;
}

.case-card p {
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.case-card-footer {
  margin-top: auto;
}

/* Footer */
.footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 5rem 0 3rem;
  margin-top: auto;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.2fr 3fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.footer-logo {
  font-size: 1.75rem;
  text-decoration: none;
}

.brand-description {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.contact-details h4 {
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-details p {
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.contact-details p a:hover {
  color: var(--accent-green);
}

.footer-links-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.footer-links-grid h4 {
  font-size: 0.9rem;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links-grid ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links-grid ul li a {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer-links-grid ul li a:hover {
  color: var(--accent-green);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(0, 255, 102, 0.08);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-bottom-links a {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-bottom-links a:hover {
  color: var(--accent-green);
}

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

/* Responsive Overrides */
@media (max-width: 1024px) {
  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .tiers-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
    gap: 3rem;
  }
  .tier-card.popular {
    transform: none;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 4rem 0;
  }
  .container {
    padding: 0 1.5rem;
  }
  .desktop-nav {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .info-grid, .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .quiz-result-actions {
    flex-direction: column;
    gap: 1rem;
  }
  .footer-links-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
  }
}

@media (max-width: 480px) {
  .footer-links-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* Case Study Images */
.case-card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-bottom: 1px solid var(--border-color);
}