:root {
  --color-primary: #0f5132;
  --color-primary-light: #157347;
  --color-primary-dark: #0a3622;
  --color-secondary: #1a6b4a;
  --color-accent: #d4a853;
  --color-accent-light: #e4c070;
  --color-success: #198754;
  --color-warning: #ffc107;
  --color-error: #dc3545;
  --color-neutral-50: #f8f9fa;
  --color-neutral-100: #f1f3f5;
  --color-neutral-200: #e9ecef;
  --color-neutral-300: #dee2e6;
  --color-neutral-400: #ced4da;
  --color-neutral-500: #adb5bd;
  --color-neutral-600: #6c757d;
  --color-neutral-700: #495057;
  --color-neutral-800: #343a40;
  --color-neutral-900: #212529;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-neutral-800);
  background-color: #ffffff;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-neutral-200);
  transition: box-shadow var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  font-size: 28px;
  color: var(--color-accent);
  line-height: 1;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-text strong {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
}

.logo-text small {
  font-size: 11px;
  color: var(--color-neutral-600);
  letter-spacing: 0.5px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-neutral-700);
  position: relative;
  padding: 4px 0;
}

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

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

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

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-neutral-800);
  transition: transform var(--transition), opacity var(--transition);
}

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

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

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-secondary) 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('https://images.pexels.com/photos/7681091/pexels-photo-7681091.jpeg?auto=compress&cs=tinysrgb&w=1920') center/cover no-repeat;
  opacity: 0.15;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 0%, rgba(0, 0, 0, 0.3) 100%);
}

.hero-content {
  position: relative;
  text-align: center;
  padding: 120px 24px 80px;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: rgba(255, 255, 255, 0.9);
  max-width: 700px;
  margin: 0 auto 40px;
  line-height: 1.6;
  font-weight: 300;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-family);
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-neutral-900);
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background: var(--color-accent-light);
  border-color: var(--color-accent-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

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

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-lg {
  padding: 16px 40px;
  font-size: 16px;
}

.btn-block {
  width: 100%;
}

/* Sections */
.section {
  padding: 96px 0;
}

.section-alt {
  background: var(--color-neutral-50);
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--color-neutral-900);
  margin-bottom: 12px;
  line-height: 1.2;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-neutral-600);
  max-width: 600px;
  margin: 0 auto;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

.about-content h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.about-content p {
  color: var(--color-neutral-700);
  margin-bottom: 16px;
  line-height: 1.7;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--color-neutral-200);
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--color-neutral-600);
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.service-card {
  background: #ffffff;
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-neutral-200);
  transition: all var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.service-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-neutral-50);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  color: var(--color-primary);
  transition: all var(--transition);
}

.service-card:hover .service-icon {
  background: var(--color-primary);
  color: #ffffff;
}

.service-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-neutral-900);
  margin-bottom: 10px;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--color-neutral-600);
  line-height: 1.6;
}

/* Steps */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.step-card {
  text-align: center;
  padding: 32px 24px;
  position: relative;
}

.step-number {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: #ffffff;
  font-size: 1.25rem;
  font-weight: 700;
  border-radius: 50%;
  margin: 0 auto 20px;
}

.step-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-neutral-900);
  margin-bottom: 12px;
}

.step-card p {
  font-size: 0.9rem;
  color: var(--color-neutral-600);
  line-height: 1.6;
}

/* Plans */
.plans-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  align-items: start;
}

.plan-card {
  background: #ffffff;
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  border: 1px solid var(--color-neutral-200);
  transition: all var(--transition);
  position: relative;
}

.plan-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.plan-featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: scale(1.03);
}

.plan-featured:hover {
  transform: scale(1.03) translateY(-4px);
}

.plan-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: #ffffff;
  padding: 6px 20px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

.plan-header {
  text-align: center;
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--color-neutral-200);
}

.plan-header h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.plan-desc {
  font-size: 0.9rem;
  color: var(--color-neutral-600);
}

.plan-features {
  list-style: none;
  margin-bottom: 32px;
}

.plan-features li {
  padding: 10px 0;
  font-size: 0.9rem;
  color: var(--color-neutral-700);
  border-bottom: 1px solid var(--color-neutral-100);
  padding-left: 28px;
  position: relative;
}

.plan-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  background: var(--color-success);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 10px;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-neutral-700);
}

.form-group input,
.form-group textarea {
  padding: 14px 16px;
  border: 1px solid var(--color-neutral-300);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-family: var(--font-family);
  transition: border-color var(--transition), box-shadow var(--transition);
  background: #ffffff;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(15, 81, 50, 0.1);
}

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

.form-feedback {
  padding: 12px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  display: none;
}

.form-feedback.success {
  display: block;
  background: #d1e7dd;
  color: #0f5132;
  border: 1px solid #badbcc;
}

.form-feedback.error {
  display: block;
  background: #f8d7da;
  color: #842029;
  border: 1px solid #f5c2c7;
}

.contact-info-card {
  background: var(--color-neutral-50);
  padding: 32px;
  border-radius: var(--radius-lg);
  margin-bottom: 24px;
}

.contact-info-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-neutral-900);
  margin-bottom: 24px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 20px;
}

.contact-item svg {
  flex-shrink: 0;
  color: var(--color-primary);
  margin-top: 2px;
}

.contact-item strong {
  display: block;
  font-size: 0.85rem;
  color: var(--color-neutral-600);
  margin-bottom: 4px;
}

.contact-item a {
  display: block;
  color: var(--color-neutral-800);
  font-size: 0.95rem;
}

.contact-item a:hover {
  color: var(--color-primary);
}

.contact-item p {
  font-size: 0.95rem;
  color: var(--color-neutral-700);
  line-height: 1.6;
}

.contact-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.map-container {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

/* Footer */
.footer {
  background: var(--color-neutral-900);
  color: var(--color-neutral-400);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--color-neutral-800);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-logo .logo-icon {
  color: var(--color-accent);
}

.footer-logo .logo-text strong {
  color: #ffffff;
}

.footer-logo .logo-text small {
  color: var(--color-neutral-500);
}

.footer-company-info {
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--color-neutral-400);
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 16px;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-nav a,
.footer-col p a {
  font-size: 0.9rem;
  color: var(--color-neutral-400);
  transition: color var(--transition);
}

.footer-nav a:hover,
.footer-col p a:hover {
  color: var(--color-accent);
}

.footer-col p {
  font-size: 0.9rem;
  line-height: 1.8;
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: var(--color-neutral-600);
}

/* Animations */
.animate-fade-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .plans-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }

  .plan-featured {
    transform: none;
  }

  .plan-featured:hover {
    transform: translateY(-4px);
  }

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

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: #ffffff;
    flex-direction: column;
    padding: 32px 24px;
    gap: 24px;
    border-bottom: 1px solid var(--color-neutral-200);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition), opacity var(--transition);
  }

  .nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .menu-toggle {
    display: flex;
  }

  .hero-content {
    padding: 100px 24px 60px;
  }

  .section {
    padding: 64px 0;
  }

  .section-header {
    margin-bottom: 40px;
  }

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

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .about-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .stat-number {
    font-size: 1.4rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .about-stats {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}