:root {
  --primary: #007bff;
  --primary-dark: #0056b3;
  --accent: #28a745;
  --text-dark: #333333;
  --text-muted: #666666;
  --light-bg: #e0f7fa;
  --white: #ffffff;
  --header-height: 80px;
  --shadow-sm: 0 4px 10px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Poppins', sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
  background-color: var(--white);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.navbar {
  background: var(--white);
  height: var(--header-height);
  display: flex;
  align-items: center;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.navbar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.logo {
  height: 50px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 25px;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 600;
  transition: 0.3s ease;
}

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

.btn-signup {
  background-color: var(--accent);
  color: var(--white) !important;
  padding: 8px 22px;
  border-radius: 50px;
}

.menu-toggle {
  display: none;
  font-size: 1.8rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--primary);
}

.hero-section {
  height: 80vh;
  background: linear-gradient(180deg, var(--light-bg) 0%, var(--white) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: var(--header-height);
}

.intro-content h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  color: var(--primary);
  margin-bottom: 15px;
}

.intro-content p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 700px;
  margin: 0 auto 30px;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
  padding: 12px 35px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: 0.3s;
  display: inline-block;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 123, 255, 0.3);
}

.content-section {
  padding: 80px 0;
  text-align: center;
}

.content-section h2 {
  font-size: 2.2rem;
  color: var(--primary);
  margin-bottom: 10px;
}

.content-section h2::after {
  content: "";
  display: block;
  width: 50px;
  height: 3px;
  background-color: var(--accent);
  margin: 12px auto 0;
  border-radius: 2px;
}

.story-grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 20px;
}

.story-text h3 {
  color: var(--primary);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 15px;
}

.story-image img {
  width: 100%;
  max-width: 800px;
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  margin-top: 25px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
  margin-top: 40px;
}

.gallery-item {
  background: var(--white);
  padding: 15px;
  border-radius: 15px;
  box-shadow: var(--shadow-sm);
  transition: 0.3s ease;
}

.gallery-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 10px;
}

figcaption {
  margin-top: 15px;
  font-weight: 600;
  color: var(--primary);
  font-size: 0.9rem;
}
.alternate-bg {
  background-color: #fcfcfc;
}

.infographic-img {
  max-width: 900px;
  width: 100%;
  margin-top: 40px;
}

.reveal-item {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

.reveal-item.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.footer {
  background: #333;
  color: #ccc;
  padding: 25px 0;
  text-align: center;
  font-size: 0.85rem;
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: var(--white);
    padding: 30px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
  }

  .nav-links.active {
    display: flex;
  }

  .intro-content h1 {
    font-size: 2.2rem;
  }
}