/* CONNECT-ED Core Design System & Styles */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  /* Color Palette */
  --primary-blue: #0f4c81;
  --primary-blue-dark: #092c4e;
  --primary-blue-light: #eef6ff;
  --eu-blue: #003399;
  --eu-yellow: #ffcc00;
  
  /* Feature Color Accents (from slides) */
  --pink-bg: #fff1f2;
  --pink-border: #fecdd3;
  --pink-text: #9f1239;

  --yellow-bg: #fffbe6;
  --yellow-border: #fef08a;
  --yellow-text: #854d0e;

  --blue-bg: #f0f9ff;
  --blue-border: #bae6fd;
  --blue-text: #075985;

  --mint-bg: #ecfdf5;
  --mint-border: #a7f3d0;
  --mint-text: #065f46;

  --purple-bg: #f5f3ff;
  --purple-border: #ddd6fe;
  --purple-text: #5b21b6;

  --teal-bg: #f0fdfa;
  --teal-border: #99f6e4;
  --teal-text: #115e59;

  /* Neutrals */
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --text-main: #0f172a;
  --text-muted: #475569;
  --border-light: #e2e8f0;
  --border-subtle: #f1f5f9;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 36px rgba(15, 23, 42, 0.12);
  --shadow-glow: 0 0 25px rgba(15, 76, 129, 0.15);

  /* Borders & Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* Layout */
  --max-width: 1200px;
  --header-height: 80px;

  /* Transitions */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-family: 'Inter', sans-serif;
  color: var(--text-main);
  background-color: var(--bg-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  color: var(--text-main);
  line-height: 1.25;
  font-weight: 700;
}

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

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Badge & Utility components */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.badge-eu {
  background-color: var(--primary-blue-light);
  color: var(--primary-blue);
  border: 1px solid rgba(15, 76, 129, 0.2);
}

.badge-tag {
  background: rgba(255, 255, 255, 0.8);
  color: var(--text-muted);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-light);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
}

.btn-primary {
  background-color: var(--primary-blue);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(15, 76, 129, 0.3);
}

.btn-primary:hover {
  background-color: var(--primary-blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(15, 76, 129, 0.4);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--primary-blue);
  color: var(--primary-blue);
}

.btn-outline:hover {
  background-color: var(--primary-blue-light);
  transform: translateY(-2px);
}

/* Header & Sticky Nav */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 1000;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  transition: var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-symbol {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary-blue), #2563eb);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--primary-blue);
}

.logo-subtitle {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 500;
  line-height: 1;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-muted);
  position: relative;
  padding: 6px 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary-blue);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--primary-blue);
  transition: var(--transition);
  border-radius: 2px;
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.eu-top-badge {
  display: flex;
  align-items: center;
  background: #ffffff;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.eu-logo-header-img {
  height: 34px;
  width: auto;
  display: block;
}

/* Mobile Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-main);
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding-top: calc(var(--header-height) + 60px);
  padding-bottom: 90px;
  position: relative;
  background: radial-gradient(circle at 80% 20%, rgba(37, 99, 235, 0.06) 0%, transparent 50%),
              radial-gradient(circle at 20% 80%, rgba(15, 76, 129, 0.05) 0%, transparent 50%);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 50px;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-badge {
  margin-bottom: 20px;
}

.hero-title {
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -1px;
  color: var(--primary-blue-dark);
  margin-bottom: 20px;
}

.hero-title span {
  background: linear-gradient(135deg, var(--primary-blue), #2563eb);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  max-width: 600px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
}

.hero-card-stack {
  position: relative;
  width: 100%;
  height: 420px;
}

.hero-visual-card {
  position: absolute;
  border-radius: var(--radius-lg);
  padding: 30px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}

.hero-card-1 {
  top: 0;
  left: 0;
  right: 40px;
  background: linear-gradient(145deg, #ffffff, #f0f7ff);
  border-left: 6px solid var(--primary-blue);
  z-index: 3;
}

.hero-card-2 {
  bottom: 20px;
  right: 0;
  left: 50px;
  background: linear-gradient(145deg, #ffffff, #fff5f5);
  border-left: 6px solid #f43f5e;
  z-index: 2;
}

.hero-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.hero-card-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.icon-blue {
  background: var(--blue-bg);
  color: var(--primary-blue);
}

.icon-pink {
  background: var(--pink-bg);
  color: var(--pink-text);
}

.hero-card-title {
  font-size: 1.1rem;
  font-weight: 700;
}

.hero-card-body {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* Target Groups Section */
.section {
  padding: 90px 0;
}

.section-alt {
  background-color: var(--bg-card);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 60px;
}

.section-subtitle {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--primary-blue);
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(2rem, 3vw, 2.6rem);
  color: var(--primary-blue-dark);
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
}

.target-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

.target-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.target-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--primary-blue), #3b82f6);
}

.target-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(15, 76, 129, 0.2);
}

.target-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 24px;
}

.target-card-1 .target-icon {
  background-color: var(--blue-bg);
  color: var(--primary-blue);
}

.target-card-2 .target-icon {
  background-color: var(--purple-bg);
  color: var(--purple-text);
}

.target-title {
  font-size: 1.35rem;
  margin-bottom: 14px;
}

.target-text {
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.65;
  margin-bottom: 20px;
}

.target-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.tag-pill {
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
  background: var(--bg-main);
  color: var(--text-muted);
  border: 1px solid var(--border-light);
}

/* Why CONNECT-ED Exists / Challenge & Flow */
.challenge-box {
  background: linear-gradient(135deg, var(--primary-blue-dark), var(--primary-blue));
  border-radius: var(--radius-lg);
  padding: 48px;
  color: #ffffff;
  margin-bottom: 60px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.challenge-box::after {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 250px;
  height: 250px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
  pointer-events: none;
}

.challenge-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.challenge-left h3 {
  color: #ffffff;
  font-size: 1.8rem;
  margin-bottom: 16px;
}

.challenge-left p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.1rem;
  line-height: 1.6;
}

.challenge-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.challenge-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.98rem;
  color: rgba(255, 255, 255, 0.95);
}

.challenge-bullet {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  color: var(--eu-yellow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Linear Flow Diagram */
.flow-container {
  margin-top: 40px;
}

.flow-title {
  text-align: center;
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 30px;
  color: var(--primary-blue-dark);
}

.flow-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  position: relative;
}

.flow-step {
  border-radius: var(--radius-md);
  padding: 24px 16px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  min-height: 140px;
}

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

.step-1 {
  background-color: var(--pink-bg);
  border-color: var(--pink-border);
  color: var(--pink-text);
}

.step-2 {
  background-color: var(--yellow-bg);
  border-color: var(--yellow-border);
  color: var(--yellow-text);
}

.step-3 {
  background-color: var(--blue-bg);
  border-color: var(--blue-border);
  color: var(--blue-text);
}

.step-4 {
  background-color: var(--mint-bg);
  border-color: var(--mint-border);
  color: var(--mint-text);
}

.step-5 {
  background-color: var(--purple-bg);
  border-color: var(--purple-border);
  color: var(--purple-text);
}

.step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.step-text {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.3;
}

.flow-arrow {
  display: none; /* Handled via responsive arrows or desktop grid placement */
}

/* Objectives & Erasmus+ Section */
.objectives-wrapper {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 40px;
}

.objectives-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.objective-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 28px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  display: flex;
  gap: 20px;
  align-items: flex-start;
  transition: var(--transition);
}

.objective-card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(15, 76, 129, 0.2);
}

.ob-badge {
  padding: 12px 18px;
  border-radius: 12px;
  color: #ffffff;
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.ob1-color {
  background: linear-gradient(135deg, #1e40af, #3b82f6);
}

.ob2-color {
  background: linear-gradient(135deg, #0f766e, #14b8a6);
}

.ob3-color {
  background: linear-gradient(135deg, #6d28d9, #8b5cf6);
}

.ob-content h4 {
  font-size: 1.15rem;
  margin-bottom: 6px;
}

.ob-content p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Priorities Sidebar */
.priorities-sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.priority-box {
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--border-light);
}

.priority-box-1 {
  background-color: var(--blue-bg);
  border-color: var(--blue-border);
}

.priority-box-2 {
  background-color: var(--mint-bg);
  border-color: var(--mint-border);
}

.priority-box-3 {
  background-color: var(--yellow-bg);
  border-color: var(--yellow-border);
}

.priority-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.priority-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
}

.priority-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* Impact & Methodology Highlights */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.feature-item {
  background: var(--bg-card);
  padding: 32px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  transition: var(--transition);
  text-align: center;
}

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

.feature-icon-circle {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.feat-1 { background: var(--blue-bg); color: var(--primary-blue); }
.feat-2 { background: var(--teal-bg); color: var(--teal-text); }
.feat-3 { background: var(--purple-bg); color: var(--purple-text); }

.feature-title {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.feature-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
}

/* EU Disclaimer Banner */
.eu-banner {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 36px;
  margin-top: 40px;
}

.eu-logo-banner-img {
  height: 60px;
  width: auto;
  flex-shrink: 0;
  display: block;
}

.eu-disclaimer-text {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Footer */
.site-footer {
  background-color: var(--primary-blue-dark);
  color: #ffffff;
  padding: 70px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 50px;
}

.footer-brand .logo-title {
  color: #ffffff;
}

.footer-brand .logo-subtitle {
  color: rgba(255, 255, 255, 0.7);
}

.footer-desc {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
  margin-top: 16px;
  max-width: 400px;
}

.footer-heading {
  color: #ffffff;
  font-size: 1.1rem;
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9rem;
}

.footer-link:hover {
  color: #ffffff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
}

/* Scroll Reveal animation classes */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-card-stack {
    height: 360px;
  }

  .objectives-wrapper {
    grid-template-columns: 1fr;
  }

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

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .eu-banner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: #ffffff;
    flex-direction: column;
    padding: 24px;
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
  }

  .nav-menu.is-active {
    display: flex;
  }

  .mobile-nav-toggle {
    display: block;
  }

  .eu-top-badge {
    display: none;
  }

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

  .challenge-box {
    padding: 28px;
  }
}