:root {
  --primary: #1a2236;
  --accent: #3a8dde;
  --bg-gradient: linear-gradient(120deg, #1a2236 0%, #3a8dde 100%);
  --card-bg: rgba(255,255,255,0.95);
  --card-shadow: 0 8px 32px 0 rgba(26,34,54,0.15);
  --nav-bg: rgba(26,34,54,0.95);
  --transition: 0.4s cubic-bezier(.77,0,.18,1);
  --radius: 1.2rem;
  --focus: 0 0 0 3px #3a8dde55;
}

html {
  scroll-behavior: smooth;
  background: var(--bg-gradient);
}
body {
  margin: 0;
  font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
  color: #1a2236;
  background: transparent;
  min-height: 100vh;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--nav-bg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2.5vw;
  box-shadow: 0 2px 16px 0 rgba(26,34,54,0.08);
  transition: background var(--transition), box-shadow var(--transition);
}
.navbar.scrolled {
  background: #fff;
  box-shadow: 0 4px 24px 0 rgba(26,34,54,0.12);
}
.navbar-logo {
  height: 2.2rem;
  width: auto;
}
.navbar-links {
  display: flex;
  gap: 2rem;
}
.navbar-links a {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  font-size: 1.1rem;
  position: relative;
  transition: color var(--transition);
}
.navbar.scrolled .navbar-links a {
  color: var(--primary);
}
.navbar-links a:after {
  content: '';
  display: block;
  height: 2px;
  width: 0;
  background: var(--accent);
  transition: width 0.3s;
  position: absolute;
  left: 0; bottom: -4px;
}
.navbar-links a:focus {
  outline: none;
  box-shadow: var(--focus);
}
.navbar-links a:hover:after,
.navbar-links a:focus:after {
  width: 100%;
}

/* Hero Section */
.hero {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: var(--bg-gradient);
}
.hero-bg-anim {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 1;
  color: #fff;
  padding: 4rem 2vw 2rem 2vw;
}
.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -2px;
  margin-bottom: 1.2rem;
  line-height: 1.1;
  text-shadow: 0 4px 32px #1a2236cc;
  animation: fadeInUp 1s 0.1s both;
}
.hero-desc {
  font-size: clamp(1.2rem, 2.5vw, 2rem);
  font-weight: 400;
  margin-bottom: 2.5rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeInUp 1s 0.3s both;
}
.hero-cta {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 1.2rem;
  padding: 0.9em 2.2em;
  border-radius: 2em;
  box-shadow: 0 2px 16px 0 #3a8dde33;
  text-decoration: none;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  animation: fadeInUp 1s 0.5s both;
}
.hero-cta:hover, .hero-cta:focus {
  background: #2563eb;
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 6px 32px 0 #3a8dde55;
  outline: none;
}

/* Animated Cards/Sections */
.section {
  padding: 5rem 2vw 4rem 2vw;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}
.section-title {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 2.5rem;
  color: var(--primary);
  letter-spacing: -1px;
  text-align: center;
  animation: fadeInUp 1s 0.1s both;
}
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 2.5rem;
}
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  padding: 2.2rem 1.7rem 2rem 1.7rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  opacity: 0;
  transform: translateY(40px);
  animation: fadeInCard 0.9s forwards;
  animation-delay: var(--delay, 0s);
  will-change: opacity, transform;
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover, .card:focus-within {
  box-shadow: 0 8px 40px 0 #3a8dde33;
  transform: translateY(-4px) scale(1.02);
}
.card-icon {
  width: 3.2rem;
  height: 3.2rem;
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: iconPop 0.7s cubic-bezier(.77,0,.18,1) both;
}
.card-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.7rem;
  color: var(--primary);
}
.card-desc {
  font-size: 1.05rem;
  color: #444b5a;
  line-height: 1.6;
}

/* Staggered Animations */
.card:nth-child(1) { --delay: 0.1s; }
.card:nth-child(2) { --delay: 0.25s; }
.card:nth-child(3) { --delay: 0.4s; }
.card:nth-child(4) { --delay: 0.55s; }
.card:nth-child(5) { --delay: 0.7s; }
.card:nth-child(6) { --delay: 0.85s; }

/* List Items Animation */
.animated-list li {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInList 0.7s forwards;
  animation-delay: var(--delay, 0s);
}
.animated-list li:nth-child(1) { --delay: 0.1s; }
.animated-list li:nth-child(2) { --delay: 0.22s; }
.animated-list li:nth-child(3) { --delay: 0.34s; }
.animated-list li:nth-child(4) { --delay: 0.46s; }
.animated-list li:nth-child(5) { --delay: 0.58s; }

/* Live Stats */
.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  justify-content: center;
  margin-top: 2.5rem;
}
.stat {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  padding: 2rem 2.5rem;
  min-width: 180px;
  display: flex;
  flex-direction: column;
  align-items: center;
  opacity: 0;
  transform: translateY(40px);
  animation: fadeInCard 0.9s forwards;
  animation-delay: var(--delay, 0s);
  will-change: opacity, transform;
}
.stat-icon {
  width: 2.5rem;
  height: 2.5rem;
  margin-bottom: 0.7rem;
  animation: iconPop 0.7s cubic-bezier(.77,0,.18,1) both;
}
.stat-value {
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--accent);
}
.stat-label {
  font-size: 1.05rem;
  color: #444b5a;
}

/* Contact Form */
.contact-form {
  max-width: 420px;
  margin: 0 auto;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  padding: 2.5rem 2rem 2rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  opacity: 0;
  transform: translateY(40px);
  animation: fadeInCard 0.9s forwards;
  animation-delay: 0.2s;
}
.contact-form label {
  font-weight: 500;
  color: var(--primary);
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.8em 1em;
  border-radius: 0.7em;
  border: 1.5px solid #dbeafe;
  font-size: 1rem;
  font-family: inherit;
  background: #f8fafc;
  transition: border var(--transition), box-shadow var(--transition);
}
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--accent);
  box-shadow: var(--focus);
  outline: none;
}
.contact-form button {
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 1.1rem;
  padding: 0.8em 2em;
  border-radius: 2em;
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.contact-form button:hover, .contact-form button:focus {
  background: #2563eb;
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 6px 32px 0 #3a8dde55;
  outline: none;
}

/* Animations */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInCard {
  from { opacity: 0; transform: translateY(40px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes fadeInList {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes iconPop {
  0% { transform: scale(0.7) rotate(-10deg); opacity: 0; }
  60% { transform: scale(1.15) rotate(6deg); opacity: 1; }
  100% { transform: scale(1) rotate(0); opacity: 1; }
}

/* Reveal on Scroll (JS will add .in-view) */
.in-view {
  opacity: 1 !important;
  transform: none !important;
  animation-play-state: running !important;
}

/* Responsive Design */
@media (max-width: 900px) {
  .section {
    padding: 3.5rem 2vw 2.5rem 2vw;
  }
  .cards {
    gap: 1.5rem;
  }
  .stats {
    gap: 1.2rem;
  }
}
@media (max-width: 600px) {
  .navbar {
    flex-direction: column;
    gap: 0.7rem;
    padding: 0.7rem 2vw;
  }
  .hero-content {
    padding: 2.5rem 2vw 1.2rem 2vw;
  }
  .section-title {
    font-size: 1.4rem;
  }
  .cards {
    grid-template-columns: 1fr;
  }
  .stat {
    min-width: 120px;
    padding: 1.2rem 1rem;
  }
  .contact-form {
    padding: 1.2rem 1vw 1rem 1vw;
  }
}

/* Accessibility */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
[aria-current="page"] {
  font-weight: 700;
  text-decoration: underline;
}