/* ClimeOne Shared Styles */

/* 0) Global Design Tokens */
:root {
  /* Brand */
  --c-primary: #1F7A5A;   /* Evergreen Green */
  --c-secondary: #4A6FA5; /* Slate Blue */
  --c-accent: #E6C35C;    /* Muted Solar (sparingly) */

  /* Neutrals */
  --c-text: #1C1C1C;
  --c-text-2: #5F6B6D;
  --c-disabled: #9AA3A1;

  --c-bg: #F6F8F7;
  --c-surface: #FFFFFF;
  --c-border: #E2E6E4;

  /* Shadows (subtle, consistent) */
  --shadow-1: 0 10px 30px rgba(0,0,0,0.06);
  --shadow-2: 0 6px 18px rgba(0,0,0,0.08);

  /* Radius */
  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 18px;

  /* Spacing scale */
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 20px;
  --s-6: 24px;
  --s-7: 32px;
  --s-8: 40px;
  --s-9: 56px;
  --s-10: 72px;
}

/* Typography */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

body.home {
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--c-text);
  background-color: var(--c-bg);
  overflow-x: hidden;
}

/* 2) Background Treatment */
.page-bg {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 1px 1px, rgba(31,122,90,0.07) 1px, transparent 1.6px);
  background-size: 18px 18px;
  pointer-events: none;
  z-index: -1;
}

/* Typography Scale - Modern & Bold */
.home h1 {
  font-size: clamp(42px, 6vw, 72px);
  font-weight: 800;
  line-height: 1.1;
  color: var(--c-text);
  margin-bottom: var(--s-5);
  letter-spacing: -0.02em;
}

.home h2 {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--c-text);
  margin-bottom: var(--s-6);
  letter-spacing: -0.01em;
}

.home h3 {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--c-text);
  margin-bottom: var(--s-4);
}

.home p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--c-text-2);
  margin-bottom: var(--s-4);
}

/* 3) Header / Navigation - Modern Glass Effect */
.site-header {
  background: rgba(255, 255, 255, 0.8);
  padding: var(--s-4) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(226, 230, 228, 0.5);
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.03);
  transition: all 0.3s ease;
}

.site-header .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--s-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.site-header nav {
  display: flex;
  align-items: center;
}

.site-header .logo {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  text-decoration: none;
  color: var(--c-text);
  font-weight: 700;
  font-size: 22px;
  transition: transform 0.3s;
}

.site-header .logo:hover {
  transform: scale(1.05);
}

.site-header .logo img {
  height: 40px;
  width: auto;
  display: block;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--s-7);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav li {
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: var(--c-text);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: color 0.2s;
  position: relative;
}

.site-nav a:hover {
  color: var(--c-primary);
}

.site-nav a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--c-primary);
}

/* Navigation Dropdown */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-toggle {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  cursor: pointer;
  color: var(--c-text);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-dropdown-toggle:hover {
  color: var(--c-primary);
}

.nav-dropdown-toggle i:last-child {
  font-size: 12px;
  transition: transform 0.2s;
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  box-shadow: var(--shadow-2);
  min-width: 200px;
  padding: var(--s-2) 0;
  margin-top: var(--s-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.2s;
  z-index: 1000;
  list-style: none;
  margin: 0;
}

.nav-dropdown-menu.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown-menu li {
  list-style: none;
  margin: 0;
}

.nav-dropdown-menu a {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-3) var(--s-4);
  color: var(--c-text);
  text-decoration: none;
  font-size: 14px;
  transition: background 0.2s;
}

.nav-dropdown-menu a:hover {
  background: var(--c-bg);
  color: var(--c-primary);
}

.nav-dropdown-menu .dropdown-divider {
  margin: var(--s-2) 0;
  border: none;
  border-top: 1px solid var(--c-border);
}

/* Modern Buttons */
.btn-primary-modern,
.btn-secondary-modern {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  padding: 16px 28px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  border: none;
}

.btn-primary-modern {
  background: linear-gradient(135deg, var(--c-primary) 0%, #2A9D7A 100%);
  color: white;
  box-shadow: 0 4px 14px rgba(31, 122, 90, 0.3);
}

.btn-primary-modern::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.btn-primary-modern:hover::before {
  left: 100%;
}

.btn-primary-modern:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(31, 122, 90, 0.4);
}

.btn-primary-modern:active {
  transform: translateY(0);
}

.btn-primary-modern i {
  transition: transform 0.3s;
}

.btn-primary-modern:hover i {
  transform: translateX(4px);
}

.btn-secondary-modern {
  background: rgba(255, 255, 255, 0.9);
  color: var(--c-text);
  border: 2px solid var(--c-border);
  backdrop-filter: blur(10px);
}

.btn-secondary-modern:hover {
  background: var(--c-surface);
  border-color: var(--c-primary);
  color: var(--c-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.btn-secondary-modern i {
  transition: transform 0.3s;
}

.btn-secondary-modern:hover i {
  transform: scale(1.1);
}

/* Legacy button support */
.btn-primary-custom {
  background: linear-gradient(135deg, var(--c-primary) 0%, #2A9D7A 100%) !important;
  color: #FFF !important;
  border: none !important;
  padding: 14px 26px !important;
  border-radius: 12px !important;
  font-size: 15px !important;
  font-weight: 600 !important;
  cursor: pointer;
  text-decoration: none !important;
  display: inline-block;
  transition: all 0.3s;
  box-shadow: 0 4px 14px rgba(31, 122, 90, 0.3) !important;
}

.btn-primary-custom:hover {
  background: linear-gradient(135deg, #175C45 0%, var(--c-primary) 100%) !important;
  color: #F8F8F8 !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(31, 122, 90, 0.4) !important;
}

.btn-secondary-custom {
  background: var(--c-surface);
  color: var(--c-text);
  border: 2px solid var(--c-border);
  padding: 14px 26px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: all 0.3s;
}

.btn-secondary-custom:hover {
  background: #F0F4F2;
  border-color: var(--c-primary);
  color: var(--c-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Mobile Navigation */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--c-text);
  padding: var(--s-2);
  z-index: 1001;
}

/* Navigation Drawer */
.nav-drawer-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.nav-drawer-overlay.active {
  display: block;
  opacity: 1;
  visibility: visible;
}

.nav-drawer {
  display: none;
  position: fixed;
  top: 0;
  right: -100%;
  width: 320px;
  max-width: 85vw;
  height: 100vh;
  background: var(--c-surface);
  z-index: 9999;
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
  transition: right 0.3s ease;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.nav-drawer.active {
  display: block;
  right: 0;
}

.nav-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--s-5) var(--s-6);
  border-bottom: 1px solid var(--c-border);
  background: var(--c-surface);
  position: sticky;
  top: 0;
  z-index: 1;
}

.nav-drawer-logo {
  display: flex;
  align-items: center;
}

.nav-drawer-logo img {
  height: 36px;
  width: auto;
}

.nav-drawer-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--c-text);
  padding: var(--s-2);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--r-sm);
  transition: background 0.2s;
}

.nav-drawer-close:hover {
  background: var(--c-bg);
}

.nav-drawer .site-nav {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: var(--s-4) 0;
  list-style: none;
  margin: 0;
}

.nav-drawer .site-nav li {
  width: 100%;
  margin: 0;
  padding: 0;
}

.nav-drawer .site-nav li a {
  display: block;
  padding: var(--s-4) var(--s-6);
  color: var(--c-text);
  text-decoration: none;
  font-size: 16px;
  font-weight: 500;
  transition: all 0.2s;
  border-left: 3px solid transparent;
}

.nav-drawer .site-nav li a:hover {
  background: var(--c-bg);
  color: var(--c-primary);
  border-left-color: var(--c-primary);
}

.nav-drawer .site-nav li a.active {
  background: rgba(31, 122, 90, 0.1);
  color: var(--c-primary);
  border-left-color: var(--c-primary);
  font-weight: 600;
}

.nav-drawer .site-nav li a.active::after {
  display: none;
}

.nav-drawer .site-nav li:last-child {
  margin-top: var(--s-2);
  padding: var(--s-4) var(--s-6);
}

.nav-drawer .site-nav li:last-child a {
  display: inline-block;
  width: auto;
  margin: 0;
}

/* Desktop: Hide drawer, show regular nav */
@media (min-width: 993px) {
  .nav-drawer-overlay,
  .nav-drawer {
    display: none !important;
  }
  
  .nav-toggle {
    display: none !important;
  }
  
  .site-nav-desktop {
    display: flex !important;
  }
  
  .site-nav-mobile {
    display: none !important;
  }
}

/* 4) Hero Section - Modern Background Image Design */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
}

.hero-bg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center right;
  animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
  0% {
    transform: scale(1);
  }
  100% {
    transform: scale(1.05);
  }
}

  .hero-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.98) 0%,
      rgba(255, 255, 255, 0.95) 45%,
      rgba(255, 255, 255, 0.7) 60%,
      transparent 100%
    );
    z-index: 1;
  }

  @media (max-width: 768px) {
    .hero-image-overlay {
      background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.98) 0%,
        rgba(255, 255, 255, 0.95) 50%,
        rgba(255, 255, 255, 0.8) 70%,
        transparent 100%
      );
    }
  }

.hero-container {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--s-10) var(--s-6);
  width: 100%;
}

.hero-content {
  max-width: 600px;
  animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: var(--s-2) var(--s-4);
  background: rgba(31, 122, 90, 0.1);
  border: 1px solid rgba(31, 122, 90, 0.2);
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-primary);
  margin-bottom: var(--s-6);
  animation: fadeIn 1s ease-out 0.2s both;
}

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

.hero-title {
  margin-bottom: var(--s-6);
  line-height: 1.1;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.hero-description {
  font-size: 20px;
  line-height: 1.7;
  color: var(--c-text-2);
  margin-bottom: var(--s-4);
  max-width: 540px;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-secondary-text {
  font-size: 16px;
  line-height: 1.6;
  color: var(--c-text-2);
  margin-bottom: var(--s-8);
  max-width: 540px;
  animation: fadeInUp 0.8s ease-out 0.5s both;
}

.hero-cta {
  display: flex;
  gap: var(--s-4);
  flex-wrap: wrap;
  margin-bottom: var(--s-3);
  animation: fadeInUp 0.8s ease-out 0.6s both;
}

.hero-cta-microcopy {
  font-size: 14px;
  color: var(--c-text-2);
  margin-bottom: var(--s-6);
  text-align: left;
  animation: fadeInUp 0.8s ease-out 0.7s both;
}

.hero-trust-signals {
  display: flex;
  gap: var(--s-6);
  flex-wrap: wrap;
  padding-top: var(--s-6);
  margin-top: var(--s-6);
  border-top: 1px solid var(--c-border);
  animation: fadeInUp 0.8s ease-out 0.8s both;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  font-size: 14px;
  color: var(--c-text-2);
  font-weight: 500;
}

.trust-item i {
  color: var(--c-primary);
  font-size: 16px;
}

/* Section Container */
.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--s-10) var(--s-6);
}

.section-intro {
  font-size: 18px;
  line-height: 1.7;
  color: var(--c-text-2);
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--s-9);
}

/* 2. Credibility Strip */
.credibility-strip {
  background: rgba(31, 122, 90, 0.05);
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  padding: var(--s-7) var(--s-6);
}

.credibility-container {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.credibility-headline {
  font-size: 16px;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: var(--s-6);
}

.credibility-items {
  display: flex;
  justify-content: center;
  gap: var(--s-8);
  flex-wrap: wrap;
}

.credibility-item {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  font-size: 14px;
  color: var(--c-text-2);
}

.credibility-item i {
  color: var(--c-primary);
  font-size: 20px;
}

/* 3. How It Works Section */
.how-it-works {
  background: var(--c-bg);
}

.works-steps {
  display: flex;
  flex-direction: column;
  gap: var(--s-8);
}

.works-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--s-7);
  align-items: start;
  padding: var(--s-7);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  transition: all 0.3s;
}

.works-step:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow-1);
  border-color: var(--c-primary);
}

.works-step-number {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 800;
  flex-shrink: 0;
}

.works-step-content h3 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: var(--s-2);
  color: var(--c-text);
}

.works-step-content h4 {
  font-size: 20px;
  font-weight: 600;
  color: var(--c-primary);
  margin-bottom: var(--s-4);
}

.works-step-content p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-text-2);
  margin-bottom: var(--s-5);
}

.works-step-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  color: var(--c-primary);
  font-weight: 600;
  text-decoration: none;
  transition: gap 0.3s;
}

.works-step-cta:hover {
  gap: var(--s-3);
}

.works-step-cta i {
  transition: transform 0.3s;
}

.works-step-cta:hover i {
  transform: translateX(4px);
}

/* 4. Why ClimeOne Section */
.why-climeone {
  background: var(--c-surface);
}

.differentiators-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--s-6);
}

.differentiator-card {
  padding: var(--s-7);
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  transition: all 0.3s;
}

.differentiator-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-1);
  border-color: var(--c-primary);
}

.differentiator-icon {
  width: 56px;
  height: 56px;
  background: rgba(31, 122, 90, 0.1);
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--s-5);
  font-size: 28px;
  color: var(--c-primary);
}

.differentiator-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: var(--s-3);
  color: var(--c-text);
}

.differentiator-card p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-text-2);
  margin: 0;
}

/* 5. Offset Projects Section */
.offset-projects {
  background: var(--c-bg);
}

.project-categories {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-6);
  margin-bottom: var(--s-9);
}

.project-category-card {
  padding: var(--s-7);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  text-align: center;
  transition: all 0.3s;
}

.project-category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-2);
  border-color: var(--c-primary);
}

.project-category-icon {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, rgba(31, 122, 90, 0.1), rgba(74, 111, 165, 0.1));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--s-5);
  font-size: 36px;
  color: var(--c-primary);
}

.project-category-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: var(--s-4);
  color: var(--c-text);
}

.project-category-card p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-text-2);
  margin: 0;
}

.projects-transparency {
  text-align: center;
  padding: var(--s-8);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
}

.projects-transparency p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-text-2);
  margin-bottom: var(--s-6);
}

/* 6. Tracking & Reporting Section */
.tracking-reporting {
  background: var(--c-surface);
}

.tracking-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--s-6);
  margin-bottom: var(--s-8);
}

.tracking-feature {
  padding: var(--s-6);
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  transition: all 0.3s;
}

.tracking-feature:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-1);
}

.tracking-feature i {
  font-size: 32px;
  color: var(--c-primary);
  margin-bottom: var(--s-4);
}

.tracking-feature h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: var(--s-3);
  color: var(--c-text);
}

.tracking-feature p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-text-2);
  margin: 0;
}

.tracking-cta {
  text-align: center;
}

/* 7. Plans & Flexibility Section */
.plans-flexibility {
  background: var(--c-bg);
}

.plan-highlights {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--s-6);
  margin-bottom: var(--s-8);
}

.plan-highlight {
  padding: var(--s-6);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  transition: all 0.3s;
}

.plan-highlight:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-1);
  border-color: var(--c-primary);
}

.plan-highlight i {
  font-size: 32px;
  color: var(--c-primary);
  margin-bottom: var(--s-4);
}

.plan-highlight h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: var(--s-3);
  color: var(--c-text);
}

.plan-highlight p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-text-2);
  margin: 0;
}

.plans-cta {
  text-align: center;
}

/* 8. Community & Shared Impact */
.community-impact {
  background: var(--c-surface);
}

.community-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--s-6);
  margin-bottom: var(--s-8);
}

.community-feature {
  padding: var(--s-6);
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  transition: all 0.3s;
}

.community-feature:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-1);
}

.community-feature i {
  font-size: 32px;
  color: var(--c-primary);
  margin-bottom: var(--s-4);
}

.community-feature h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: var(--s-3);
  color: var(--c-text);
}

.community-feature p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-text-2);
  margin: 0;
}

.community-cta {
  text-align: center;
}

/* 9. Trust & Values Section */
.trust-values {
  background: linear-gradient(135deg, rgba(31, 122, 90, 0.05), rgba(74, 111, 165, 0.05));
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-6);
}

.value-item {
  text-align: center;
  padding: var(--s-6);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  transition: all 0.3s;
}

.value-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-1);
}

.value-item i {
  font-size: 40px;
  color: var(--c-primary);
  margin-bottom: var(--s-4);
}

.value-item h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: var(--s-2);
  color: var(--c-text);
}

.value-item p {
  font-size: 14px;
  color: var(--c-text-2);
  margin: 0;
}

/* 10. Final CTA Section */
.final-cta {
  background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
  color: white;
  padding: var(--s-10) var(--s-6);
  text-align: center;
}

.final-cta-container {
  max-width: 800px;
  margin: 0 auto;
}

.final-cta-container h2 {
  color: white;
  font-size: clamp(36px, 5vw, 56px);
  margin-bottom: var(--s-5);
}

.final-cta-container p {
  font-size: 20px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: var(--s-8);
}

.final-cta-buttons {
  display: flex;
  gap: var(--s-4);
  justify-content: center;
  flex-wrap: wrap;
}

.final-cta-buttons .btn-primary-modern {
  background: white;
  color: var(--c-primary);
}

.final-cta-buttons .btn-primary-modern:hover {
  background: rgba(255, 255, 255, 0.95);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.final-cta-buttons .btn-secondary-modern {
  background: rgba(255, 255, 255, 0.15);
  color: white;
  border-color: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.final-cta-buttons .btn-secondary-modern:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.5);
}

/* 5) Three Steps Section - Modern (Legacy - keeping for compatibility) */
.three-steps {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--s-10) var(--s-6);
  position: relative;
}

.three-steps h2 {
  text-align: center;
  margin-bottom: var(--s-9);
  position: relative;
}

.three-steps h2::after {
  content: '';
  position: absolute;
  bottom: -16px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-secondary));
  border-radius: 2px;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-6);
}

.step-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  padding: var(--s-7);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.step-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s;
}

.step-card:hover::before {
  transform: scaleX(1);
}

.step-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  border-color: var(--c-primary);
}

.step-icon {
  width: 56px;
  height: 56px;
  background: rgba(31,122,90,0.08);
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--s-5);
  font-size: 24px;
  color: var(--c-primary);
}

.step-card h3 {
  margin-bottom: var(--s-4);
}

.step-card p {
  margin: 0;
}

/* 6) Value Props Section - Modern */
.value-props {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--s-10) var(--s-6);
  position: relative;
}

.value-props h2 {
  margin-bottom: var(--s-8);
  position: relative;
  display: inline-block;
}

.value-props h2::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 0;
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-secondary));
  border-radius: 2px;
}

.props-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-6);
}

.prop-tile {
  padding: var(--s-7);
  border-radius: var(--r-md);
  border: 1px solid var(--c-border);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.prop-tile::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.4s;
}

.prop-tile:hover {
  transform: translateY(-6px) scale(1.03);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.12);
}

.prop-tile:hover::after {
  opacity: 1;
}

.prop-tile.tint-green {
  background: rgba(31,122,90,0.10);
}

.prop-tile.tint-solar {
  background: rgba(230,195,92,0.16);
}

.prop-tile.tint-blue {
  background: rgba(74,111,165,0.10);
}

.prop-icon {
  font-size: 32px;
  margin-bottom: var(--s-4);
  color: var(--c-primary);
}

.prop-tile h3 {
  margin-bottom: var(--s-3);
}

.prop-tile p {
  margin: 0;
}

/* 7) CTA + Testimonial Section */
.cta-testimonial {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--s-10) var(--s-6);
}

.cta-testimonial-container {
  background: linear-gradient(135deg, rgba(31,122,90,0.08) 0%, rgba(74,111,165,0.06) 100%);
  border-radius: var(--r-lg);
  padding: var(--s-9) var(--s-8);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-9);
  align-items: center;
  position: relative;
  overflow: hidden;
}

.cta-testimonial-container::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(31, 122, 90, 0.05) 0%, transparent 70%);
  animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.5;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.8;
  }
}

.cta-content h2 {
  margin-bottom: var(--s-6);
}

.testimonial-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(226, 230, 228, 0.5);
  border-radius: var(--r-md);
  padding: var(--s-8);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  position: relative;
  transition: all 0.4s;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.15);
}

.testimonial-quote {
  font-size: 18px;
  font-style: italic;
  color: var(--c-text);
  margin-bottom: var(--s-6);
  position: relative;
  padding-left: var(--s-6);
}

.testimonial-quote::before {
  content: '"';
  position: absolute;
  left: 0;
  top: -8px;
  font-size: 48px;
  color: var(--c-border);
  font-family: Georgia, serif;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--s-4);
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--c-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 18px;
}

.testimonial-info {
  display: flex;
  flex-direction: column;
}

.testimonial-name {
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 2px;
}

.testimonial-label {
  font-size: 14px;
  color: var(--c-text-2);
}

/* 8) Footer */
.site-footer {
  background: #175C45;
  color: rgba(255, 255, 255, 0.85);
  padding: var(--s-9) var(--s-6);
  margin-top: var(--s-10);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--s-8);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  margin-bottom: var(--s-4);
}

.footer-logo img {
  height: 40px;
  width: auto;
  display: block;
}

.footer-description {
  font-size: 14px !important;
  line-height: 1.6 !important;
  color: rgba(255, 255, 255, 0.85) !important;
  margin-bottom: var(--s-4) !important;
}

.footer-copyright {
  font-size: 14px;
  color: #FFF !important;
}

.footer-disclaimer {
  max-width: 1200px;
  margin: var(--s-8) auto 0;
  padding-top: var(--s-6);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-disclaimer p {
  font-size: 12px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.7);
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.footer-column h4 {
  color: white;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: var(--s-4);
}

.footer-column ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-column ul li {
  margin-bottom: var(--s-3);
}

.footer-column a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}

.footer-column a:hover {
  color: white;
  text-decoration: underline;
}

.footer-social {
  display: flex;
  gap: var(--s-4);
  margin-top: var(--s-4);
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  transition: background 0.2s;
}

.footer-social a:hover {
  background: rgba(255, 255, 255, 0.2);
  text-decoration: none;
}

/* Responsive Design */
@media (max-width: 992px) {
  .hero {
    min-height: 80vh;
  }

  .hero-content {
    max-width: 100%;
    text-align: center;
  }

  .hero-description {
    max-width: 100%;
  }

  .hero-cta {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .steps-grid,
  .props-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .cta-testimonial-container {
    grid-template-columns: 1fr;
  }

  .footer-container {
    grid-template-columns: 1fr 1fr;
    gap: var(--s-6);
  }

  .footer-description {
    font-size: 13px;
  }

  .footer-disclaimer {
    padding: var(--s-6) var(--s-4) 0;
  }

  .footer-disclaimer p {
    font-size: 11px;
  }
}

@media (max-width: 768px) {
  .site-header .container {
    padding: 0 var(--s-4);
  }

  .site-header nav {
    position: relative;
  }

  /* Enable drawer on mobile (but keep hidden until .active class) */
  /* Note: .nav-drawer-overlay and .nav-drawer styles are defined above */

  .nav-toggle {
    display: block;
  }
  
  /* Hide desktop nav, show mobile nav in drawer */
  .site-nav-desktop {
    display: none !important;
  }
  
  .site-nav-mobile {
    display: flex !important;
  }

  .hero {
    min-height: 70vh;
  }

  .hero-container {
    padding: var(--s-8) var(--s-4);
  }

  .hero-title {
    font-size: clamp(36px, 8vw, 56px);
  }

  .hero-description {
    font-size: 18px;
  }

  .hero-secondary-text {
    font-size: 15px;
  }

  .hero-cta-microcopy {
    text-align: center;
  }

  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .btn-primary-modern,
  .hero-cta .btn-secondary-modern,
  .hero-cta .btn-primary-custom,
  .hero-cta .btn-secondary-custom {
    width: 100%;
    justify-content: center;
  }

  .hero-trust-signals {
    flex-direction: column;
    gap: var(--s-4);
    text-align: center;
  }

  .section-container {
    padding: var(--s-9) var(--s-4);
  }

  .credibility-items {
    flex-direction: column;
    gap: var(--s-4);
    text-align: left;
  }

  .works-step {
    grid-template-columns: 1fr;
    gap: var(--s-5);
  }

  .works-step-number {
    margin: 0 auto;
  }

  .differentiators-grid,
  .project-categories,
  .tracking-features,
  .plan-highlights,
  .community-features {
    grid-template-columns: 1fr;
  }

  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .final-cta-buttons {
    flex-direction: column;
  }

  .final-cta-buttons .btn-primary-modern,
  .final-cta-buttons .btn-secondary-modern {
    width: 100%;
    justify-content: center;
  }

  .three-steps,
  .value-props,
  .cta-testimonial {
    padding: var(--s-9) var(--s-4);
  }

  .steps-grid,
  .props-grid {
    grid-template-columns: 1fr;
  }

  .footer-container {
    grid-template-columns: 1fr;
  }

  .footer-social {
    justify-content: flex-start;
  }

  .footer-description {
    font-size: 13px;
  }

  .footer-disclaimer {
    padding: var(--s-6) var(--s-4) 0;
  }

  .footer-disclaimer p {
    font-size: 11px;
    text-align: left;
  }
}

@media (max-width: 480px) {
  .hero {
    min-height: 60vh;
  }

  .hero-container {
    padding: var(--s-6) var(--s-4);
  }

  .hero-badge {
    font-size: 12px;
    padding: var(--s-2) var(--s-3);
  }

  .hero-title {
    font-size: clamp(32px, 10vw, 48px);
  }

  .hero-description {
    font-size: 16px;
  }

  .btn-primary-modern,
  .btn-secondary-modern,
  .btn-primary-custom,
  .btn-secondary-custom {
    padding: 14px 20px;
    font-size: 14px;
  }

  .stat-number {
    font-size: 28px;
  }

  .values-grid {
    grid-template-columns: 1fr;
  }

  .works-step-content h3 {
    font-size: 24px;
  }

  .works-step-content h4 {
    font-size: 18px;
  }
}

/* Accessibility */
.btn-primary-custom:focus,
.btn-secondary-custom:focus,
.site-nav a:focus,
.footer-column a:focus {
  outline: 3px solid rgba(74,111,165,0.35);
  outline-offset: 2px;
}

/* Section Spacing */
section {
  margin-bottom: 0;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

section.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Dashboard sections should be visible by default */
.member-dashboard section,
.member-dashboard section.visible {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

section:not(:last-child) {
  margin-bottom: var(--s-10);
}

@media (max-width: 992px) {
  section:not(:last-child) {
    margin-bottom: var(--s-9);
  }
}

@media (max-width: 768px) {
  section:not(:last-child) {
    margin-bottom: var(--s-8);
  }
}

/* Smooth scroll behavior */
html {
  scroll-behavior: smooth;
}

/* Additional modern touches */
.step-card,
.prop-tile,
.differentiator-card,
.project-category-card,
.tracking-feature,
.plan-highlight,
.community-feature,
.value-item {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.step-card.visible,
.prop-tile.visible,
.differentiator-card.visible,
.project-category-card.visible,
.tracking-feature.visible,
.plan-highlight.visible,
.community-feature.visible,
.value-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.step-card:nth-child(1),
.differentiator-card:nth-child(1),
.project-category-card:nth-child(1),
.tracking-feature:nth-child(1),
.plan-highlight:nth-child(1),
.community-feature:nth-child(1),
.value-item:nth-child(1) { transition-delay: 0.1s; }

.step-card:nth-child(2),
.differentiator-card:nth-child(2),
.project-category-card:nth-child(2),
.tracking-feature:nth-child(2),
.plan-highlight:nth-child(2),
.community-feature:nth-child(2),
.value-item:nth-child(2) { transition-delay: 0.2s; }

.step-card:nth-child(3),
.differentiator-card:nth-child(3),
.project-category-card:nth-child(3),
.tracking-feature:nth-child(3),
.plan-highlight:nth-child(3),
.community-feature:nth-child(3),
.value-item:nth-child(3) { transition-delay: 0.3s; }

.value-item:nth-child(4) { transition-delay: 0.4s; }

/* About Page Styles */
.about-hero {
  background: linear-gradient(135deg, rgba(31, 122, 90, 0.08), rgba(74, 111, 165, 0.06));
  padding: var(--s-7) var(--s-6);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.about-hero h1 {
  font-size: clamp(42px, 6vw, 64px);
  font-weight: 800;
  margin-bottom: var(--s-5);
  color: var(--c-text);
}

.about-hero-intro {
  font-size: 20px;
  line-height: 1.7;
  color: var(--c-text-2);
  max-width: 700px;
  margin: 0 auto;
}

.about-section {
  padding: var(--s-10) var(--s-6);
  background: var(--c-surface);
}

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

.about-section h2 {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  margin-bottom: var(--s-7);
  color: var(--c-text);
  position: relative;
  display: inline-block;
}

.about-section h2::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 0;
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-secondary));
  border-radius: 2px;
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
}

.about-content p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-text-2);
  margin-bottom: var(--s-5);
}

.about-list {
  list-style: none;
  padding: 0;
  margin: var(--s-5) 0 var(--s-6);
}

.about-list li {
  padding: var(--s-3) 0 var(--s-3) var(--s-8);
  position: relative;
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-text-2);
}

.about-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--c-primary);
  font-weight: 600;
  font-size: 18px;
}

.about-list li strong {
  color: var(--c-text);
  font-weight: 600;
}

/* Approach Principles */
.approach-principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-6);
  margin-top: var(--s-8);
}

.principle-card {
  padding: var(--s-7);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  transition: all 0.3s;
  position: relative;
}

.principle-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-1);
  border-color: var(--c-primary);
}

.principle-number {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 800;
  margin-bottom: var(--s-5);
}

.principle-card h3 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: var(--s-4);
  color: var(--c-text);
}

.principle-card p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-text-2);
  margin: 0;
}

/* Values Grid for About Page */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-6);
  margin-top: var(--s-8);
}

.value-card {
  padding: var(--s-7);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  text-align: center;
  transition: all 0.3s;
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-1);
  border-color: var(--c-primary);
}

.value-icon {
  width: 64px;
  height: 64px;
  background: rgba(31, 122, 90, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--s-5);
  font-size: 32px;
  color: var(--c-primary);
}

.value-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: var(--s-4);
  color: var(--c-text);
}

.value-card p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-text-2);
  margin: 0;
}

/* About CTA Section */
.about-cta {
  background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
  color: white;
  padding: var(--s-10) var(--s-6);
  text-align: center;
}

.about-cta h2 {
  color: white;
  font-size: clamp(36px, 5vw, 48px);
  margin-bottom: var(--s-5);
}

.about-cta p {
  font-size: 18px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: var(--s-8);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.about-cta-buttons {
  display: flex;
  gap: var(--s-4);
  justify-content: center;
  flex-wrap: wrap;
}

.about-cta-buttons .btn-primary-modern {
  background: white;
  color: var(--c-primary);
}

.about-cta-buttons .btn-primary-modern:hover {
  background: rgba(255, 255, 255, 0.95);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.about-cta-buttons .btn-secondary-modern {
  background: rgba(255, 255, 255, 0.15);
  color: white;
  border-color: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.about-cta-buttons .btn-secondary-modern:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.5);
}

/* Responsive Styles for About Page */
@media (max-width: 992px) {
  .approach-principles {
    grid-template-columns: 1fr;
  }

  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .about-hero {
    padding: var(--s-6) var(--s-4);
  }

  .about-section {
    padding: var(--s-9) var(--s-4);
  }

  .about-cta {
    padding: var(--s-9) var(--s-4);
  }

  .about-cta-buttons {
    flex-direction: column;
  }

  .about-cta-buttons .btn-primary-modern,
  .about-cta-buttons .btn-secondary-modern {
    width: 100%;
    justify-content: center;
  }

  .values-grid {
    grid-template-columns: 1fr;
  }
}

/* Additional App Styles (merged from app.css) */

/* Bootstrap-compatible CSS Variables */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
}

/* Body styles (for non-home pages) */
body:not(.home) {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

.navbar-brand img {
    max-height: 40px;
}

.hero-section {
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.1) 0%, rgba(13, 110, 253, 0.05) 100%);
    border-radius: 10px;
}

.card {
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

footer {
    margin-top: auto;
}

/* Loading spinner */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.15em;
}

/* Form validation */
.was-validated .form-control:invalid,
.form-control.is-invalid {
    border-color: var(--danger-color);
}

.was-validated .form-control:valid,
.form-control.is-valid {
    border-color: var(--success-color);
}

/* Utility classes */
.text-truncate-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.text-truncate-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Reusable Animated Gradient Background */
.animated-gradient-bg {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(31, 122, 90, 0.12), rgba(74, 111, 165, 0.10), rgba(31, 122, 90, 0.12));
  background-size: 200% 200%;
  animation: gradientShift 8s ease infinite;
}

.animated-gradient-bg::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, 
    rgba(31, 122, 90, 0.15) 0%, 
    rgba(74, 111, 165, 0.12) 25%, 
    rgba(31, 122, 90, 0.10) 50%, 
    rgba(74, 111, 165, 0.12) 75%, 
    rgba(31, 122, 90, 0.15) 100%);
  background-size: 300% 300%;
  animation: gradientFlow 12s ease infinite;
  z-index: 0;
  opacity: 0.8;
}

.animated-gradient-bg > * {
  position: relative;
  z-index: 1;
}

@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

@keyframes gradientFlow {
  0% {
    background-position: 0% 0%;
  }
  25% {
    background-position: 100% 0%;
  }
  50% {
    background-position: 100% 100%;
  }
  75% {
    background-position: 0% 100%;
  }
  100% {
    background-position: 0% 0%;
  }
}

/* Project Cards */
.project-card {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}

.project-card:active {
  transform: translateY(-2px);
}

.project-learn-more:hover {
  text-decoration: underline;
}

/* Responsive Project Grid */
@media (max-width: 768px) {
  .projects-grid {
    grid-template-columns: 1fr !important;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}

/* Projects Explore Layout */
.projects-explore-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--s-8);
}

.projects-filters-sidebar {
  position: sticky;
  top: var(--s-6);
  align-self: start;
}

.projects-content {
  min-width: 0; /* Prevents grid overflow */
}

/* Responsive - Stack filters on mobile */
@media (max-width: 992px) {
  .projects-explore-layout {
    grid-template-columns: 1fr !important;
  }
  
  .projects-filters-sidebar {
    position: static;
    margin-bottom: var(--s-6);
  }
  
  .projects-filters-sidebar form {
    max-width: 100%;
  }
}

/* Mobile filter adjustments */
@media (max-width: 768px) {
  .projects-filters-sidebar form {
    padding: var(--s-5);
  }
}

/* Calculator Styles */
.radio-option {
  transition: all 0.2s ease;
}

.radio-option:hover {
  background: rgba(31, 122, 90, 0.05) !important;
  border-color: var(--c-primary) !important;
  transform: translateY(-2px);
}

.radio-option input[type="radio"]:checked + strong {
  color: var(--c-primary);
}

.radio-option:has(input[type="radio"]:checked) {
  background: rgba(31, 122, 90, 0.1) !important;
  border-color: var(--c-primary) !important;
}

.step-item-content:hover {
  background: rgba(31, 122, 90, 0.05) !important;
}

.step-item-content[style*="opacity: 0.5"]:hover {
  background: transparent !important;
  cursor: not-allowed !important;
}

/* Reset Button */
.btn-reset-calculator {
  margin-top: var(--s-5);
  padding: var(--s-3) var(--s-4);
  background: transparent;
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  color: var(--c-text-2);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
}

.btn-reset-calculator:hover {
  background: rgba(220, 53, 69, 0.05);
  border-color: #dc3545;
  color: #dc3545;
}

.btn-reset-calculator:active {
  transform: scale(0.98);
}

.form-control.is-invalid {
  border-color: #dc3545 !important;
  box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1) !important;
}

/* Calculator Responsive */
@media (max-width: 1200px) {
  .calculator-layout {
    grid-template-columns: 240px 1fr 280px !important;
  }
}

@media (max-width: 992px) {
  .calculator-mobile-nav {
    display: block !important;
  }
  
  .calculator-layout {
    grid-template-columns: 1fr !important;
    gap: var(--s-4) !important;
    position: relative;
    padding-bottom: 100px; /* Space for fixed summary at bottom */
    padding-top: var(--s-4);
  }
  
  .calculator-sidebar {
    display: none !important;
  }
  
  .calculator-main {
    min-width: 0; /* Allow flex shrinking */
    width: 100%;
  }
  
  .calculator-summary {
    grid-column: 1 / -1; /* Span all columns */
    position: fixed !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    top: auto !important;
    width: 100% !important;
    z-index: 100;
    margin: 0 !important;
    border-radius: 0 !important;
    border-left: none !important;
    border-right: none !important;
    border-bottom: none !important;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1) !important;
  }
  
  .calculator-summary > div {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--s-4);
    flex-wrap: wrap;
    padding: var(--s-4) var(--s-5) !important;
    margin: 0 !important;
  }
  
  .calculator-summary .footprint-total {
    margin-bottom: 0 !important;
    text-align: left !important;
    flex: 1;
    min-width: 150px;
  }
  
  .calculator-summary .footprint-total > div:first-child {
    font-size: 32px !important;
  }
  
  .calculator-summary .footprint-total > div:last-child {
    font-size: 14px !important;
    margin-top: var(--s-1) !important;
  }
  
  .calculator-summary h3 {
    display: none;
  }
  
  .calculator-summary .footprint-breakdown,
  .calculator-summary .footprint-transparency {
    display: none !important;
  }
}

@media (max-width: 768px) {
  .calculator-mobile-nav {
    display: block !important;
  }

  .calculator-layout {
    grid-template-columns: 1fr !important;
    gap: var(--s-3) !important;
    padding-top: var(--s-4);
  }
  
  .calculator-sidebar {
    display: none !important;
  }
  
  .calculator-summary {
    padding: var(--s-3) !important;
    max-height: 100px;
  }
  
  .calculator-summary .footprint-total > div:first-child {
    font-size: 28px !important;
  }
  
  .calculator-mobile-nav #mobile-progress-content {
    border-top: 1px solid var(--c-border);
    background: var(--c-surface);
  }
  
  .calculator-mobile-nav .step-item-content {
    padding: var(--s-3) !important;
  }
  
  .calculator-mobile-nav .step-info {
    font-size: 12px !important;
  }
  
  #mobile-current-step {
    font-size: 14px !important;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 150px;
  }
}
/* Education Page Styles */
.education-hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  position: relative;
}

.education-visual-icon {
  width: 200px;
  height: 200px;
  background: linear-gradient(135deg, rgba(31, 122, 90, 0.1), rgba(74, 111, 165, 0.1));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 80px;
  color: var(--c-primary);
  animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.9;
  }
}

/* Education Pillar Cards */
.education-pillar-card {
  padding: var(--s-7);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  text-align: center;
  transition: all 0.3s;
  height: 100%;
}

.education-pillar-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-1);
  border-color: var(--c-primary);
}

.education-pillar-icon {
  width: 64px;
  height: 64px;
  background: rgba(31, 122, 90, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--s-5);
  font-size: 32px;
  color: var(--c-primary);
}

.education-pillar-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: var(--s-4);
  color: var(--c-text);
}

.education-pillar-card p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-text-2);
  margin: 0;
}

/* Learning Step Cards */
.learning-step-card {
  padding: var(--s-6);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  text-align: center;
  transition: all 0.3s;
  height: 100%;
}

.learning-step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-1);
  border-color: var(--c-primary);
}

.learning-step-number {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 800;
  margin: 0 auto var(--s-5);
}

.learning-step-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: var(--s-3);
  color: var(--c-text);
}

.learning-step-card p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-text-2);
  margin: 0;
}

/* Course Track Cards */
.course-track-card {
  padding: var(--s-7);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  transition: all 0.3s;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.course-track-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-2);
  border-color: var(--c-primary);
}

.course-track-icon {
  font-size: 48px;
  margin-bottom: var(--s-4);
  line-height: 1;
}

.course-track-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: var(--s-4);
  color: var(--c-text);
}

.course-track-card > p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-text-2);
  margin-bottom: var(--s-5);
}

.course-track-includes {
  margin-top: auto;
  padding-top: var(--s-5);
  border-top: 1px solid var(--c-border);
}

.course-track-includes strong {
  font-size: 14px;
  font-weight: 600;
  color: var(--c-text);
  display: block;
  margin-bottom: var(--s-3);
}

.course-track-includes ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.course-track-includes li {
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-text-2);
  padding: var(--s-2) 0 var(--s-2) var(--s-5);
  position: relative;
}

.course-track-includes li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--c-primary);
  font-weight: 600;
}

/* Education Checklist */
.education-checklist {
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
}

.checklist-item {
  display: flex;
  align-items: center;
  gap: var(--s-4);
  font-size: 16px;
  color: var(--c-text);
}

.checklist-item i {
  color: var(--c-primary);
  font-size: 20px;
  flex-shrink: 0;
}

/* Education Impact Bridge */
.education-impact-bridge {
  background: linear-gradient(135deg, rgba(31, 122, 90, 0.08), rgba(74, 111, 165, 0.06));
  border-radius: var(--r-lg);
  padding: var(--s-9) var(--s-6);
}

/* Badge Preview Cards */
.badge-preview-card {
  padding: var(--s-7);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  text-align: center;
  transition: all 0.3s;
  height: 100%;
}

.badge-preview-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-1);
  border-color: var(--c-primary);
}

.badge-preview-icon {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, rgba(31, 122, 90, 0.1), rgba(74, 111, 165, 0.1));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--s-5);
  font-size: 36px;
  color: var(--c-primary);
}

.badge-preview-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: var(--s-3);
  color: var(--c-text);
}

.badge-preview-card p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-text-2);
  margin: 0;
}

/* Responsive Styles for Education Page */
@media (max-width: 992px) {
  .education-hero-visual {
    min-height: 300px;
    margin-top: var(--s-6);
  }
  
  .education-visual-icon {
    width: 150px;
    height: 150px;
    font-size: 60px;
  }
}

@media (max-width: 768px) {
  .education-hero-visual {
    min-height: 250px;
  }
  
  .education-visual-icon {
    width: 120px;
    height: 120px;
    font-size: 48px;
  }
  
  .course-track-card {
    margin-bottom: var(--s-4);
  }
  
  .education-checklist {
    margin-top: var(--s-6);
  }
}

/* Course Catalog Page Styles */
.catalog-explainer-card {
  padding: var(--s-7);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  text-align: center;
  transition: all 0.3s;
  height: 100%;
}

.catalog-explainer-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-1);
  border-color: var(--c-primary);
}

.catalog-explainer-icon {
  width: 64px;
  height: 64px;
  background: rgba(31, 122, 90, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--s-5);
  font-size: 32px;
  color: var(--c-primary);
}

.catalog-explainer-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: var(--s-4);
  color: var(--c-text);
}

.catalog-explainer-card p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-text-2);
  margin: 0;
}

/* Level Overview */
.level-overview-container {
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
  max-width: 900px;
  margin: 0 auto;
}

.level-overview-item {
  display: flex;
  align-items: center;
  gap: var(--s-5);
  padding: var(--s-6);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  transition: all 0.3s;
  cursor: pointer;
}

.level-overview-item:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow-1);
  border-color: var(--c-primary);
}

.level-color-indicator {
  width: 12px;
  height: 60px;
  border-radius: 6px;
  flex-shrink: 0;
}

.level-content {
  flex: 1;
}

.level-content h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: var(--s-2);
  color: var(--c-text);
}

.level-content p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-text-2);
  margin: 0;
}

/* Catalog Tabs Navigation */
.catalog-tabs-wrapper {
  margin-bottom: var(--s-8);
  position: relative;
}

.catalog-tabs-container {
  display: flex;
  justify-content: center;
  gap: var(--s-2);
  position: relative;
  background: var(--c-bg);
  padding: var(--s-4);
  border-radius: var(--r-md);
  border: 1px solid var(--c-border);
  flex-wrap: wrap;
}

.catalog-tab {
  position: relative;
  padding: var(--s-4) var(--s-6);
  background: transparent;
  border: none;
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-1);
  min-width: 100px;
  z-index: 1;
}

.catalog-tab:hover {
  background: rgba(31, 122, 90, 0.05);
}

.catalog-tab.active {
  color: var(--c-primary);
  font-weight: 600;
}

.tab-emoji {
  font-size: 24px;
  line-height: 1;
}

.tab-label {
  font-size: 14px;
  font-weight: 600;
}

.tab-subtitle {
  font-size: 12px;
  color: var(--c-text-2);
  font-weight: 400;
}

.catalog-tab.active .tab-subtitle {
  color: var(--c-primary);
}

.catalog-tab-indicator {
  position: absolute;
  bottom: var(--s-4);
  height: 3px;
  background: var(--c-primary);
  border-radius: 2px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 0;
}

/* Course Level Card */
.course-level-card {
  display: none;
  padding: var(--s-8);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-1);
  transition: all 0.3s;
}

.course-level-card.active {
  display: block;
  animation: fadeInUp 0.4s ease-out;
}

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

.level-card-header {
  margin-bottom: var(--s-8);
  padding-top: var(--s-6);
  text-align: center;
}

.level-card-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: var(--s-3) var(--s-5);
  border-radius: 50px;
  color: white;
  font-weight: 600;
  font-size: 15px;
  margin-bottom: var(--s-5);
}

.level-emoji {
  font-size: 18px;
  line-height: 1;
}

.level-text {
  font-weight: 600;
}

.level-card-header h2 {
  font-size: clamp(32px, 4vw, 40px);
  font-weight: 700;
  margin-bottom: var(--s-4);
  color: var(--c-text);
}

.level-card-description {
  font-size: 17px;
  line-height: 1.7;
  color: var(--c-text-2);
  margin: 0;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Courses Grid */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--s-5);
  margin-bottom: var(--s-8);
}

.course-card-modern {
  padding: var(--s-6);
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.course-card-modern.course-completed {
  position: relative;
}

.course-completed-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(34, 197, 94, 0.15);
  backdrop-filter: blur(2px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 10;
  border-radius: var(--r-md);
  pointer-events: none;
}

.course-completed-overlay i {
  font-size: 64px;
  color: #22c55e;
  margin-bottom: var(--s-3);
  opacity: 0.9;
}

.course-completed-overlay span {
  font-size: 18px;
  font-weight: 700;
  color: #22c55e;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.course-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.course-card-link:hover {
  text-decoration: none;
  color: inherit;
}

.course-card-modern::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}

.course-card-modern:hover::before {
  transform: scaleX(1);
}

.course-card-modern:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2);
  border-color: var(--c-primary);
}

.course-card-number {
  font-size: 48px;
  font-weight: 800;
  line-height: 1;
  color: rgba(31, 122, 90, 0.1);
  margin-bottom: var(--s-4);
  font-family: 'Inter', sans-serif;
}

.course-card-content h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: var(--s-3);
  color: var(--c-text);
  line-height: 1.4;
}

.course-card-content p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-text-2);
  margin: 0;
}

/* Level Card Footer */
.level-card-footer {
  display: flex;
  gap: var(--s-6);
  padding-top: var(--s-6);
  border-top: 1px solid var(--c-border);
  flex-wrap: wrap;
  justify-content: center;
}

.footer-badge-item {
  display: flex;
  align-items: center;
  gap: var(--s-4);
  padding: var(--s-4) var(--s-5);
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  transition: all 0.3s;
}

.footer-badge-item:hover {
  background: rgba(31, 122, 90, 0.05);
  border-color: var(--c-primary);
}

.footer-badge-item i {
  font-size: 24px;
  color: var(--c-primary);
}

.footer-badge-item div {
  display: flex;
  flex-direction: column;
  gap: var(--s-1);
}

.badge-label {
  font-size: 12px;
  color: var(--c-text-2);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
}

.badge-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
}

/* Responsive Styles for Course Catalog */
@media (max-width: 992px) {
  .catalog-tabs-container {
    gap: var(--s-1);
    padding: var(--s-3);
  }
  
  .catalog-tab {
    padding: var(--s-3) var(--s-4);
    min-width: 80px;
  }
  
  .tab-emoji {
    font-size: 20px;
  }
  
  .tab-label {
    font-size: 13px;
  }
  
  .tab-subtitle {
    font-size: 11px;
  }
  
  .courses-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--s-4);
  }
}

@media (max-width: 768px) {
  .level-overview-item {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--s-4);
  }
  
  .level-color-indicator {
    width: 100%;
    height: 8px;
    border-radius: 4px;
  }
  
  .catalog-tabs-container {
    overflow-x: auto;
    justify-content: flex-start;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  
  .catalog-tabs-container::-webkit-scrollbar {
    display: none;
  }
  
  .catalog-tab {
    flex-shrink: 0;
    min-width: 90px;
  }
  
  .course-level-card {
    padding: var(--s-5);
  }
  
  .courses-grid {
    grid-template-columns: 1fr;
    gap: var(--s-4);
  }
  
  .course-card-modern {
    padding: var(--s-5);
  }
  
  .course-card-number {
    font-size: 40px;
  }
  
  .level-card-footer {
    flex-direction: column;
    gap: var(--s-4);
  }
  
  .footer-badge-item {
    width: 100%;
    justify-content: flex-start;
  }
}

/* Course Header Styles */
.breadcrumb-nav {
  border-bottom: 1px solid var(--c-border);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  font-size: 14px;
  color: var(--c-text-2);
}

.breadcrumb a {
  color: var(--c-primary);
  text-decoration: none;
  transition: color 0.2s;
}

.breadcrumb a:hover {
  color: var(--c-secondary);
}

.breadcrumb span {
  color: var(--c-text-2);
}

.course-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.course-header-badge {
  display: inline-block;
  padding: var(--s-2) var(--s-5);
  border-radius: 50px;
  color: white;
  font-weight: 600;
  font-size: 14px;
  margin-bottom: var(--s-5);
}

.course-header h1 {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  margin-bottom: var(--s-4);
  color: var(--c-text);
}

.course-description {
  font-size: 20px;
  line-height: 1.6;
  color: var(--c-text-2);
  margin-bottom: var(--s-5);
}

.course-long-description {
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-text);
  margin-bottom: var(--s-6);
  text-align: left;
}

.course-meta {
  display: flex;
  justify-content: center;
  gap: var(--s-6);
  font-size: 15px;
  color: var(--c-text-2);
  margin-bottom: var(--s-5);
}

.course-meta span {
  display: flex;
  align-items: center;
  gap: var(--s-2);
}

.course-meta i {
  font-size: 18px;
  color: var(--c-primary);
}

.lessons-section {
  max-width: 900px;
  margin: 0 auto;
}

.lessons-section h2 {
  font-size: clamp(28px, 4vw, 36px);
  font-weight: 700;
  margin-bottom: var(--s-6);
  color: var(--c-text);
  text-align: center;
}

.no-lessons {
  text-align: center;
  padding: var(--s-8);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
}

.no-lessons p {
  font-size: 16px;
  color: var(--c-text-2);
  margin: 0;
}

.lessons-list {
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
}

.lesson-card {
  display: flex;
  gap: var(--s-5);
  padding: var(--s-6);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  transition: all 0.3s;
}

.lesson-card:hover {
  box-shadow: var(--shadow-1);
  border-color: var(--c-primary);
  transform: translateX(4px);
}

.lesson-number {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 700;
  flex-shrink: 0;
}

.lesson-content {
  flex: 1;
}

.lesson-content h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: var(--s-2);
  color: var(--c-text);
}

.lesson-content p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-text-2);
  margin-bottom: var(--s-4);
}

.lesson-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
}

.lesson-meta span {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  font-size: 14px;
  color: var(--c-text-2);
}

.lesson-link {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: var(--s-2) var(--s-4);
  background: var(--c-primary);
  color: white;
  text-decoration: none;
  border-radius: var(--r-sm);
  font-size: 14px;
  font-weight: 600;
  transition: all 0.2s;
}

.lesson-link:hover {
  background: var(--c-secondary);
  transform: translateX(2px);
}

.lesson-completed {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  color: #22c55e;
  font-size: 14px;
  font-weight: 600;
}

.lesson-completed i {
  font-size: 18px;
}