/* DOMINO AGRO TECH - Landing Page Styles */
/* Modern, Premium Design with Light/Dark Mode Support */

/* ===== CSS Custom Properties ===== */
:root {
  /* Brand Colors */
  --primary-green: #156630;
  --primary-green-dark: #0a4b1e;
  --primary-green-light: #1d8a42;
  --accent-gold: #c4a962;
  --accent-gold-light: #d4bc7a;
  --tech-blue: #0066cc;
  --tech-blue-light: #3388dd;
  
  /* Light Theme (Default) */
  --bg-primary: #f8faf9;
  --bg-secondary: #ffffff;
  --bg-tertiary: #e8f0eb;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-glass: rgba(255, 255, 255, 0.7);
  --text-primary: #1a2e22;
  --text-secondary: #3d5a47;
  --text-muted: #6b8f78;
  --border-color: rgba(21, 102, 48, 0.15);
  --shadow-color: rgba(10, 75, 30, 0.1);
  --shadow-strong: rgba(10, 75, 30, 0.2);
  
  /* Typography */
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Spacing */
  --section-padding: 100px 0;
  --container-max: 1200px;
  --border-radius: 16px;
  --border-radius-sm: 8px;
  --border-radius-lg: 24px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Dark Theme */
[data-theme="dark"] {
  --bg-primary: #0d1f14;
  --bg-secondary: #152a1c;
  --bg-tertiary: #1d3625;
  --bg-card: rgba(21, 42, 28, 0.85);
  --bg-glass: rgba(21, 42, 28, 0.7);
  --text-primary: #e8f0eb;
  --text-secondary: #b8d4c2;
  --text-muted: #7fa88d;
  --border-color: rgba(196, 169, 98, 0.2);
  --shadow-color: rgba(0, 0, 0, 0.3);
  --shadow-strong: rgba(0, 0, 0, 0.5);
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* ===== Utility Classes ===== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: var(--section-padding);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--primary-green) 0%, var(--accent-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 60px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== Glassmorphism Card ===== */
.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: 0 8px 32px var(--shadow-color);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px var(--shadow-strong);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left var(--transition-slow);
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-light) 100%);
  color: white;
  box-shadow: 0 4px 16px rgba(21, 102, 48, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-green-light) 0%, var(--primary-green) 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(21, 102, 48, 0.4);
}

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

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

.btn-gold {
  background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-light) 100%);
  color: var(--primary-green-dark);
  box-shadow: 0 4px 16px rgba(196, 169, 98, 0.3);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(196, 169, 98, 0.4);
}

/* ===== Navigation ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  padding: 12px 0;
  box-shadow: 0 4px 20px var(--shadow-color);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary-green) 0%, var(--accent-gold) 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.logo-text span {
  color: var(--accent-gold);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gold);
  transition: width var(--transition-normal);
}

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.theme-toggle, .lang-toggle {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: 8px 12px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle:hover, .lang-toggle:hover {
  background: var(--primary-green);
  color: white;
  border-color: var(--primary-green);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  color: var(--text-primary);
  cursor: pointer;
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg-secondary);
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 8px 32px var(--shadow-color);
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .nav-actions {
    gap: 8px;
  }
  
  .theme-toggle, .lang-toggle {
    padding: 6px 10px;
    font-size: 0.85rem;
  }
}

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse at 20% 50%, rgba(21, 102, 48, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(196, 169, 98, 0.1) 0%, transparent 40%),
    radial-gradient(ellipse at 60% 80%, rgba(0, 102, 204, 0.08) 0%, transparent 40%);
  z-index: 0;
}

.hero-particles {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
  z-index: 0;
}

.particle {
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--accent-gold);
  border-radius: 50%;
  opacity: 0.3;
  animation: float 15s infinite ease-in-out;
}

.particle:nth-child(1) { left: 10%; top: 20%; animation-delay: 0s; }
.particle:nth-child(2) { left: 20%; top: 80%; animation-delay: 2s; }
.particle:nth-child(3) { left: 60%; top: 30%; animation-delay: 4s; }
.particle:nth-child(4) { left: 80%; top: 70%; animation-delay: 6s; }
.particle:nth-child(5) { left: 40%; top: 50%; animation-delay: 8s; }
.particle:nth-child(6) { left: 90%; top: 40%; animation-delay: 10s; }

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.3; }
  50% { transform: translateY(-30px) rotate(180deg); opacity: 0.6; }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  padding: 8px 20px;
  font-size: 0.9rem;
  color: var(--primary-green);
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease forwards;
}

.hero-badge-icon {
  font-size: 1.2rem;
}

.hero-headline {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease 0.2s forwards;
  opacity: 0;
}

.hero-headline .highlight {
  background: linear-gradient(135deg, var(--primary-green) 0%, var(--accent-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subheadline {
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--accent-gold);
  margin-bottom: 16px;
  animation: fadeInUp 0.8s ease 0.3s forwards;
  opacity: 0;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 40px;
  animation: fadeInUp 0.8s ease 0.4s forwards;
  opacity: 0;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.5s forwards;
  opacity: 0;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== About Section ===== */
.about {
  background: var(--bg-secondary);
  position: relative;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-content h3 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.about-content p {
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-size: 1.05rem;
}

.about-cards {
  display: grid;
  gap: 20px;
}

.about-card {
  padding: 24px;
}

.about-card h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary-green);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.about-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 0;
}

.about-image {
  position: relative;
}

.about-image-wrapper {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 60px var(--shadow-strong);
}

.about-image-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(21, 102, 48, 0.2) 0%, rgba(196, 169, 98, 0.1) 100%);
  z-index: 1;
}

.about-image-placeholder {
  width: 100%;
  height: 450px;
  background: linear-gradient(135deg, var(--primary-green) 0%, var(--tech-blue) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 120px;
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .about-image {
    order: -1;
  }
}

/* ===== Benefits Section ===== */
.benefits {
  position: relative;
}

.benefits-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse at 30% 70%, rgba(21, 102, 48, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 30%, rgba(196, 169, 98, 0.06) 0%, transparent 50%);
  z-index: 0;
}

.benefits-container {
  position: relative;
  z-index: 1;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.benefit-card {
  padding: 40px 30px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.benefit-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-green), var(--accent-gold));
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

.benefit-card:hover::before {
  transform: scaleX(1);
}

.benefit-icon {
  font-size: 48px;
  margin-bottom: 20px;
  display: block;
}

.benefit-card h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.benefit-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

@media (max-width: 992px) {
  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .benefits-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== Testimonials Section ===== */
.testimonials {
  background: var(--bg-secondary);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.testimonial-card {
  padding: 40px 30px;
  position: relative;
}

.testimonial-quote {
  font-size: 48px;
  color: var(--accent-gold);
  opacity: 0.3;
  position: absolute;
  top: 20px;
  left: 20px;
  font-family: Georgia, serif;
}

.testimonial-text {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 24px;
  font-style: italic;
  position: relative;
  z-index: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 16px;
}

.testimonial-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-green), var(--accent-gold));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 700;
  color: white;
}

.testimonial-info h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.testimonial-info p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.testimonial-rating {
  display: flex;
  gap: 4px;
  margin-top: 8px;
}

.star {
  color: var(--accent-gold);
  font-size: 14px;
}

@media (max-width: 992px) {
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== FAQ Section ===== */
.faq {
  position: relative;
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: 16px;
  border-radius: var(--border-radius);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 24px;
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: left;
}

.faq-question:hover {
  background: var(--bg-card);
  border-color: var(--primary-green);
}

.faq-question h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
}

.faq-icon {
  font-size: 24px;
  color: var(--primary-green);
  transition: transform var(--transition-normal);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer-content {
  padding: 24px;
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
  background: var(--bg-tertiary);
  border-radius: 0 0 var(--border-radius) var(--border-radius);
}

/* ===== Contact Section ===== */
.contact {
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.contact-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse at 20% 80%, rgba(21, 102, 48, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(196, 169, 98, 0.08) 0%, transparent 40%);
  z-index: 0;
}

.contact-container {
  position: relative;
  z-index: 1;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-form-wrapper {
  padding: 40px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea {
  padding: 14px 18px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-green);
  box-shadow: 0 0 0 3px rgba(21, 102, 48, 0.1);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-success {
  display: none;
  padding: 16px;
  background: rgba(21, 102, 48, 0.1);
  border: 1px solid var(--primary-green);
  border-radius: var(--border-radius-sm);
  color: var(--primary-green);
  text-align: center;
}

.form-success.show {
  display: block;
}

.contact-info {
  padding: 20px 0;
}

.contact-info h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.contact-info-items {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary-green), var(--accent-gold));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.contact-info-content h4 {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.contact-info-content p {
  font-size: 1rem;
  color: var(--text-primary);
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* ===== Footer ===== */
.footer {
  background: var(--bg-tertiary);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 40px;
}

.footer-brand p {
  color: var(--text-secondary);
  margin-top: 16px;
  font-size: 0.95rem;
  line-height: 1.7;
}

.footer-section h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--primary-green);
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 44px;
  height: 44px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: var(--primary-green);
  border-color: var(--primary-green);
  transform: translateY(-3px);
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* ===== Scroll Animations ===== */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive Typography ===== */
@media (max-width: 768px) {
  html {
    font-size: 15px;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .section-subtitle {
    margin-bottom: 40px;
  }
}