/* ==========================
   GLOBAL
========================== */
body {
  margin: 0;
  font-family: "Poppins", sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  transition: var(--transition);
}

main {
  max-width: 1000px;
  margin: 2rem auto;
  padding: 0 1.5rem;
}

/* Scroll Indicator */
.scroll-indicator {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  width: 0;
  background: var(--primary-green);
  z-index: 9999;
  transition: width 0.25s ease-out;
}

/* ==========================
   HEADER
========================== */
header {
  background: linear-gradient(135deg, #2ecc71, #27ae60);
  color: white;
  padding: 1.8rem 1.5rem 2rem;
  border-bottom-left-radius: 24px;
  border-bottom-right-radius: 24px;
  box-shadow: var(--shadow);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

header h1.header {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 800;
  margin: 0;
}

/* Theme Toggle + Back */
.theme-toggle,
.back-button {
  display: flex;
  align-items: center;
  gap: 6px;
  border-radius: 50px;
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  font-weight: 600;
}

.theme-toggle {
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.3);
  color: white;
}

.theme-toggle:hover {
  background: rgba(255,255,255,0.35);
  transform: translateY(-2px);
}

.back-button {
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  color: white;
}

.back-button:hover {
  background: rgba(255,255,255,0.3);
  transform: translateY(-2px);
}

/* ==========================
   NAVIGATION
========================== */
nav {
  margin-top: 1rem;
  text-align: center;
}

nav ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem 1.5rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

nav ul li a {
  color: rgb(37, 60, 44);
  text-decoration: none;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 8px;
  transition: var(--transition);
}

nav ul li a:hover {
  background: rgba(255,255,255,0.2);
}

/* ==========================
   CONTENT SECTIONS
========================== */
section {
  background: var(--bg-secondary);
  padding: 2rem;
  margin: 2rem 0;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

section:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

section h2 {
  color: var(--primary-green);
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

section h3 {
  font-size: 1.2rem;
  margin-top: 1.4rem;
  margin-bottom: 0.6rem;
  color: var(--dark-green);
}

section p {
  margin: 0.5rem 0 1rem;
  color: var(--text-secondary);
}

section ul {
  margin: 0.5rem 0 1.2rem 1.2rem;
}

section ul li {
  margin-bottom: 0.6rem;
  line-height: 1.6;
}

section a {
  color: var(--primary-green);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
}

section a:hover {
  text-decoration: underline;
  color: var(--dark-green);
}

/* ==========================
   DARK MODE ADJUSTMENTS
========================== */
[data-theme="dark"] header {
  background: linear-gradient(135deg, #1b5e20, #2e7d32);
}

[data-theme="dark"] section {
  background: var(--bg-tertiary);
}

[data-theme="dark"] nav ul li a:hover {
  background: rgba(255,255,255,0.15);
}
/* ==========================
   FOOTER (Minimal Style)
========================== */
footer {
  background: linear-gradient(135deg, #2ecc71, #27ae60);
  color: white;
  text-align: center;
  padding: 1.5rem 1rem;
  margin-top: 3rem;
  border-top-left-radius: 24px;
  border-top-right-radius: 24px;
  box-shadow: 0 -4px 15px rgba(0,0,0,0.08);
  transition: var(--transition);
}

footer p {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 500;
  opacity: 0.9;
  letter-spacing: 0.3px;
}

/* Make the 🌾 emoji stand out a little */
footer p span {
  font-size: 1.1rem;
  margin-left: 4px;
}

/* Dark Mode */
[data-theme="dark"] footer {
  background: linear-gradient(135deg, #1b5e20, #2e7d32);
  color: #f1f1f1;
}
/* Floating Chatbot Button */
#chatbotBtn {
  position: fixed;
  bottom: 100px; /* 20px above scroll-to-top button */
  right: 30px;
  width: 60px;
  height: 60px;
  background-color: #4caf50; /* greenish theme */
  color: #fff;
  font-size: 28px;
  text-align: center;
  line-height: 60px;
  border-radius: 50%;
  box-shadow: 0 6px 18px rgba(0,0,0,0.3);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  z-index: 1100; /* above scroll-to-top button */
}

#chatbotBtn:hover {
  transform: translateY(-4px) scale(1.1);
  box-shadow: 0 8px 22px rgba(0,0,0,0.35);
  background-color: #43a047; /* slightly darker green on hover */
}

/* Mobile responsiveness: hide on very small screens */
@media (max-width: 400px) {
  #chatbotBtn {
    display: none;
  }
}