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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Lexend Deca", -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.65;
  color: #24323d;
  background: #f8f9fa;
}

:root {
  --green-1: #00693e;
  --green-2: #004d2e;
  --green-accent: #4caf50;
  --radius-lg: 20px;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  --grad-green: linear-gradient(135deg, var(--green-1) 0%, var(--green-2) 100%);
}

.container {
  width: min(90%, 1100px);
  margin-inline: auto;
}
.container.narrow {
  width: min(90%, 880px);
}
.container.flex {
  display: flex;
  gap: 4rem;
  align-items: center;
}

.site-header {
  background: #fff;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 2rem;
  padding: 0.75rem 2rem;
  width: 100%;
}

.brand img {
  height: 56px;
  width: auto;
  border-radius: 14px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.brand img:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow);
}

.main-nav {
  display: flex;
  gap: 2rem;
  align-items: center;
  margin-left: 2rem;
}

.main-nav a {
  position: relative;
  font-weight: 500;
  text-decoration: none;
  text-align: center;
  justify-content: center;
  color: #24323d;
  transition: opacity 0.25s ease;
  padding: 0.5rem 0;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 2px;
  background: var(--green-1);
  border-radius: 1px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.main-nav a:hover::after {
  transform: scaleX(1);
}
.main-nav a:hover {
  opacity: 0.8;
}

.btn {
  display: inline-block;
  padding: 0.65rem 1.4rem;
  border-radius: 30px;
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.btn:hover {
  transform: translateY(-2px);
}
.btn-primary {
  background: var(--grad-green);
  color: #fff;
  box-shadow: var(--shadow);
}
.btn-donate {
  background: var(--green-1);
  color: #fff;
}
.btn-secondary {
  background: #fff;
  color: var(--green-1);
  border: 2px solid var(--green-1);
}
.btn-secondary:hover {
  background: var(--green-1);
  color: #fff;
}

.nav-toggle,
.nav-toggle-label {
  display: none;
}

.hero {
  position: relative;
  min-height: 65vh;
  background: url("assets/updated_logo.png") center / 120% no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  padding: 0 1rem;
}
.hero h1 {
  font-size: clamp(2.6rem, 7vw + 0.5rem, 4rem);
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 1rem;
  font-size: 5.5rem;
}
.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.95;
  font-weight: 750;
}

.about {
  padding: 6rem 1rem;
  background: #ffffff;
  text-align: center;
}
.about h2 {
  font-size: 2.2rem;
  color: var(--green-1);
  margin-bottom: 1.5rem;
}
.about p {
  font-size: 1.15rem;
}

.schedule {
  padding: 6rem 1rem;
  background: #f1fbf1;
}
.schedule h2 {
  font-size: 2rem;
  color: var(--green-1);
  margin-bottom: 1rem;
}
.schedule-text p {
  font-size: 1.1rem;
  max-width: 500px;
}
.schedule-img-wrapper {
  flex-shrink: 0;
}
.schedule-img {
  width: 480px;
  max-width: 100%;
  border-radius: var(--radius-lg);
  border: 4px solid #fff;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.schedule-img:hover {
  transform: scale(1.02);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

.charity {
  padding: 6rem 1rem;
  background: #f8fff8;
  text-align: center;
}
.charity h2 {
  font-size: 2rem;
  color: var(--green-1);
  margin-bottom: 1rem;
}
.charity p {
  font-size: 1.1rem;
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: 2rem;
}

.fun-block {
  background: #ffffff;
  text-align: center;
  padding: 4.5rem 1rem;
  border-block: 1px solid #e3e3e3;
  position: relative;
  overflow: hidden;
}
.fun-block h2 {
  font-size: 1.9rem;
  font-weight: 600;
  color: var(--green-2);
}
.fun-block::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--green-1),
    var(--green-accent),
    #8bc34a,
    var(--green-1)
  );
  background-size: 200% 100%;
  animation: gradientShift 5s ease-in-out infinite;
}

.footer {
  background: #24323d;
  color: #fff;
  text-align: center;
  padding: .75rem .75rem;
  position: relative;
}
.footer p {
  font-size: 0.5rem;
  opacity: 0.85;
}
.footer a {
  color: #4facfe;
  font-weight: 500;
  transition: opacity 0.25s ease;
}
.footer a:hover {
  opacity: 0.8;
}
.footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--green-1),
    var(--green-accent),
    #8bc34a,
    var(--green-1)
  );
  background-size: 200% 100%;
  animation: gradientShift 5s ease-in-out infinite reverse;
}

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

@media (max-width: 860px) {
  .container.flex {
    flex-direction: column;
  }
  .schedule-img {
    width: 100%;
    margin-top: 2rem;
  }
}

@media (max-width: 780px) {
  .nav-toggle,
  .nav-toggle-label {
    display: block;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: #fff;
    gap: 1.5rem;
    padding: 1.5rem 2rem;
    box-shadow: var(--shadow);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.25s ease;
  }
  .nav-toggle:checked ~ .main-nav {
    transform: scaleY(1);
  }
  .nav-toggle-label {
    margin-left: auto;
    cursor: pointer;
    padding: 0.5rem;
  }
  .nav-toggle-label span {
    display: block;
    height: 3px;
    width: 25px;
    background: var(--green-1);
    margin-bottom: 5px;
    border-radius: 2px;
  }
}

/* Fade-in animations for sections */
.exp-entry {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.exp-entry.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger the animations for different elements within sections */
.exp-entry.visible h1,
.exp-entry.visible h2 {
  animation: fadeInUp 0.6s ease-out 0.2s both;
}

.exp-entry.visible p {
  animation: fadeInUp 0.6s ease-out 0.4s both;
}

.exp-entry.visible img {
  animation: fadeInUp 0.6s ease-out 0.6s both;
}

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


@media (max-width: 750px) {
  .hero {
    background: url("assets/logo2.png") center / 100% no-repeat;
    font-size: 1.5rem;
  }
  .hero h1 {
    font-size: 3rem;
    font-weight: 800;
  }
  .hero p {
    font-size: 1.25rem;
  }
}