/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #2d5016;
  --secondary-color: #5a8c2e;
  --accent-color: #8bc34a;
  --text-dark: #1a1a1a;
  --text-light: #666666;
  --bg-light: #f8f9fa;
  --bg-white: #ffffff;
  --border-color: #e0e0e0;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

body {
  font-family: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-white);
  overflow-x: hidden;
}

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

/* Dark Mode */
body.dark-mode {
  --primary-color: #4a7c2e;
  --secondary-color: #6fa342;
  --accent-color: #9dd058;
  --text-dark: #f0f0f0;
  --text-light: #cccccc;
  --bg-light: #1a1a1a;
  --bg-white: #2d2d2d;
  --border-color: #404040;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.3);
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  background: transparent;
  box-shadow: none;
  z-index: 1000;
  transition: var(--transition);
}

.nav {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-color);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--primary-color);
}

.logo-img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  color: var(--primary-color);
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

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

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: var(--transition);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: white;
  transition: var(--transition);
}

/* Hero Section */
.hero {
  padding: 120px 0 80px;
  background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-white) 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-light);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 1rem;
}

.btn-primary {
  background: var(--primary-color);
  color: white;
}

.btn-primary:hover {
  background: var(--secondary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.hero-image {
  position: relative;
}

.hero-img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
}

/* About Section */
.about {
  padding: 80px 0;
  background: var(--bg-white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

.about-content h2 {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.about-content p {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.about-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.feature-item {
  text-align: center;
  padding: 2rem;
  background: var(--bg-light);
  border-radius: 12px;
  transition: var(--transition);
}

.feature-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.feature-item h3 {
  font-size: 1.3rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.feature-item p {
  color: var(--text-light);
  line-height: 1.6;
}

/* Education Section */
.education {
  padding: 80px 0;
  background: var(--bg-light);
}

.section-title {
  font-size: 2.5rem;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-light);
  text-align: center;
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.education-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.education-card {
  background: var(--bg-white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.education-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.card-content {
  padding: 1.5rem;
}

.card-content h3 {
  font-size: 1.3rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.card-content p {
  color: var(--primary-color);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.card-link {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

.card-link:hover {
  color: var(--secondary-color);
}

button.card-link:hover {
  color: var(--primary-color);
}

/* Specific styles for btn-modal buttons */
.card-link.btn-modal {
  border: 1px solid var(--primary-color);
  background: transparent;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  display: inline-block;
  color: var(--primary-color);
}

.card-link.btn-modal:hover {
  background: rgba(45, 128, 22, 0.1);
  border-color: var(--secondary-color);
  color: var(--primary-color);
}

/* Calculator Section */
.calculator {
  padding: 80px 0;
  background: var(--bg-white);
}

.calculator-container {
  max-width: 800px;
  margin: 0 auto;
  background: var(--bg-light);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: var(--shadow-md);
}

.calculator-form {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group select {
  padding: 12px;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  font-size: 1rem;
  background: var(--bg-white);
  color: var(--text-dark);
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(45, 80, 22, 0.1);
}

.calculator-results {
  background: var(--bg-white);
  padding: 2rem;
  border-radius: 12px;
  border-left: 4px solid var(--primary-color);
}

.calculator-results h3 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-color);
}

.result-item:last-child {
  border-bottom: none;
}

.result-label {
  font-weight: 600;
  color: var(--text-dark);
}

.result-value {
  font-weight: 700;
  color: var(--primary-color);
}

/* Quiz Section */
.quiz {
  padding: 80px 0;
  background: var(--bg-light);
}

.quiz-container {
  max-width: 800px;
  margin: 0 auto;
  background: var(--bg-white);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: var(--shadow-md);
}

.quiz-progress {
  margin-bottom: 2rem;
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--border-color);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.progress-fill {
  height: 100%;
  background: var(--primary-color);
  transition: width 0.3s ease;
}

.progress-text {
  font-size: 0.9rem;
  color: var(--text-light);
}

.question-container h3 {
  font-size: 1.3rem;
  color: var(--text-dark);
  margin-bottom: 1.5rem;
}

.answers-container {
  display: grid;
  gap: 1rem;
}

.answer-btn {
  padding: 1rem;
  background: var(--bg-light);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  text-align: left;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1rem;
  color: var(--text-dark);
}

.answer-btn:hover {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

.answer-btn.correct {
  background: var(--accent-color);
  color: white;
  border-color: var(--accent-color);
}

.answer-btn.incorrect {
  background: #f44336;
  color: white;
  border-color: #f44336;
}

.quiz-result {
  text-align: center;
}

.score-display {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-color);
  margin: 2rem 0;
}

.score-total {
  font-size: 2rem;
  color: var(--text-light);
}

#result-message {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 2rem;
}

/* Gallery Section */
.gallery {
  padding: 80px 0;
  background: var(--bg-white);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.gallery-item {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  cursor: pointer;
}

.gallery-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.gallery-img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: var(--transition);
}

.gallery-item:hover .gallery-img {
  transform: scale(1.05);
}

.gallery-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  color: white;
  padding: 1.5rem;
  transform: translateY(100%);
  transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
  transform: translateY(0);
}

.gallery-overlay h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.gallery-overlay p {
  font-size: 0.9rem;
  opacity: 0.9;
  margin-bottom: 1rem;
}

.card-link {
  display: inline-block;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.2);
  color: white;
  text-decoration: none;
  font-weight: 600;
  border-radius: 6px;
  font-size: 0.85rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
  cursor: pointer;
}

/* Contact Section */
.contact {
  padding: 80px 0;
  background: var(--bg-light);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
}

.contact-info h3,
.contact-social h3 {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-icon {
  font-size: 2rem;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-color);
  color: white;
  border-radius: 50%;
}

.contact-details h4 {
  font-size: 1.1rem;
  color: var(--text-dark);
  margin-bottom: 0.25rem;
}

.contact-details p {
  color: var(--text-light);
}

.contact-social p {
  color: var(--text-light);
  margin-bottom: 1.5rem;
}

.social-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.social-link {
  padding: 12px 20px;
  background: var(--primary-color);
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.social-link:hover {
  background: var(--secondary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.social-link.instagram {
  background: linear-gradient(
    45deg,
    #f09433 0%,
    #e6683c 25%,
    #dc2743 50%,
    #cc2366 75%,
    #bc1888 100%
  );
}

.social-link.whatsapp {
  background: #25d366;
}

.social-link.email {
  background: var(--secondary-color);
}

/* Footer */
.footer {
  background: var(--text-dark);
  color: white;
  padding: 3rem 0 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-logo {
  text-align: center;
}

.footer-logo-img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  margin-bottom: 1rem;
}

.footer-logo h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--accent-color);
}

.footer-logo p {
  color: #cccccc;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.footer-section h4 {
  color: var(--accent-color);
  margin-bottom: 1rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section ul li a {
  color: #cccccc;
  text-decoration: none;
  transition: var(--transition);
}

.footer-section ul li a:hover {
  color: var(--accent-color);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid #444;
  color: #cccccc;
}

/* Theme Toggle */
.theme-toggle {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--primary-color);
  color: white;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.theme-toggle:hover {
  background: var(--secondary-color);
  transform: scale(1.1);
}

/* Back to Top */
.back-to-top {
  position: fixed;
  bottom: 80px;
  right: 20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary-color);
  color: white;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--secondary-color);
  transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--bg-white);
    backdrop-filter: blur(10px);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding-top: 2rem;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }

  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-buttons {
    justify-content: center;
  }

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

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

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

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

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-links {
    grid-template-columns: 1fr;
  }

  .social-links {
    justify-content: center;
  }

  .calculator-container {
    padding: 1.5rem;
  }

  .quiz-container {
    padding: 1.5rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }

  .hero {
    padding: 100px 0 60px;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .btn {
    padding: 10px 20px;
    font-size: 0.9rem;
  }

  .theme-toggle {
    width: 45px;
    height: 45px;
    bottom: 15px;
    right: 15px;
  }

  .back-to-top {
    width: 35px;
    height: 35px;
    bottom: 70px;
    right: 15px;
  }
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

/* Loading Animation */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

/* Accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Focus States */
button:focus,
a:focus,
input:focus,
select:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  z-index: 10000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
}

.modal-content {
  background-color: var(--bg-white);
  margin: 10% auto;
  padding: 2rem;
  border-radius: 12px;
  width: 90%;
  max-width: 600px;
  box-shadow: var(--shadow-lg);
  position: relative;
  animation: modalFadeIn 0.3s ease-out;
  border-left: 4px solid var(--primary-color);
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
    transform: translateY(-50px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.close {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  font-size: 2rem;
  font-weight: bold;
  color: var(--text-light);
  cursor: pointer;
  transition: var(--transition);
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.close:hover {
  color: var(--primary-color);
  background-color: var(--bg-light);
}

#modal-title {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  font-size: 1.8rem;
  font-weight: 700;
  border-bottom: 2px solid var(--accent-color);
  padding-bottom: 0.5rem;
}

#modal-description {
  line-height: 1.7;
  color: var(--text-dark);
  font-size: 1rem;
  margin-bottom: 1rem;
}

#modal-description strong {
  color: var(--primary-color);
  font-weight: 600;
}

#modal-description ul {
  margin: 1rem 0;
  padding-left: 1.5rem;
}

#modal-description li {
  margin-bottom: 0.5rem;
  color: var(--text-light);
}

#modal-description li::marker {
  color: var(--secondary-color);
}

/* Print Styles */
@media print {
  .header,
  .theme-toggle,
  .back-to-top,
  .nav-menu,
  .modal {
    display: none !important;
  }

  .hero {
    padding: 2rem 0;
  }

  body {
    font-size: 12pt;
    line-height: 1.4;
  }
}