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

:root {
  --primary-color: #e63946;
  --secondary-color: #1d3557;
  --accent-color: #f4a261;
  --dark-bg: #0a0e27;
  --light-bg: #f8f9fa;
  --text-dark: #212529;
  --text-light: #6c757d;
  --white: #ffffff;
  --success: #2a9d8f;
  --gradient-primary: linear-gradient(135deg, #e63946 0%, #d62828 100%);
  --gradient-dark: linear-gradient(135deg, #1d3557 0%, #0a0e27 100%);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
  --transition: all 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--white);
  overflow-x: hidden;
}

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

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(10, 14, 39, 0.95);
  backdrop-filter: blur(10px);
  padding: 16px 0;
  z-index: 1000;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.navbar.scrolled {
  padding: 12px 0;
  background: rgba(10, 14, 39, 0.98);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 28px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.5px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav-link {
  color: var(--white);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  padding: 4px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width 0.3s ease;
}

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

.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
}

.hamburger span {
  width: 28px;
  height: 3px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
              url('https://images.pexels.com/photos/544542/pexels-photo-544542.jpeg') center/cover;
  color: var(--white);
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at center, transparent 0%, rgba(10, 14, 39, 0.6) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  padding: 0 24px;
}

.hero-title {
  font-size: 80px;
  font-weight: 900;
  margin-bottom: 24px;
  letter-spacing: -2px;
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
  font-size: 24px;
  margin-bottom: 40px;
  opacity: 0.95;
  font-weight: 300;
  letter-spacing: 0.5px;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 16px 40px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  font-size: 16px;
  box-shadow: var(--shadow-md);
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
  background: var(--white);
  color: var(--dark-bg);
}

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.mouse {
  width: 28px;
  height: 45px;
  border: 2px solid var(--white);
  border-radius: 20px;
  position: relative;
  opacity: 0.8;
}

.mouse::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--white);
  border-radius: 2px;
  animation: scroll 1.5s infinite;
}

@keyframes scroll {
  0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
  50% { opacity: 0.3; transform: translateX(-50%) translateY(8px); }
}

.animate-fade-in {
  animation: fadeIn 1s ease-out;
}

.animate-fade-in-delay {
  animation: fadeIn 1s ease-out 0.3s backwards;
}

.animate-fade-in-delay-2 {
  animation: fadeIn 1s ease-out 0.6s backwards;
}

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

.partner-link-section {
  background: var(--gradient-dark);
  padding: 40px 0;
}

.partner-card {
  background: rgba(255, 255, 255, 0.05);
  border: 2px solid rgba(230, 57, 70, 0.3);
  border-radius: 16px;
  padding: 32px;
  display: flex;
  align-items: center;
  gap: 24px;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.partner-card:hover {
  border-color: var(--primary-color);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(230, 57, 70, 0.3);
}

.partner-icon {
  font-size: 48px;
  flex-shrink: 0;
}

.partner-content {
  flex: 1;
  color: var(--white);
}

.partner-content h3 {
  font-size: 24px;
  margin-bottom: 8px;
  color: var(--white);
}

.partner-content p {
  opacity: 0.8;
  font-size: 16px;
}

.partner-btn {
  padding: 12px 32px;
  background: var(--gradient-primary);
  color: var(--white);
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
}

.partner-btn:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-lg);
}

section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  padding: 8px 20px;
  background: rgba(230, 57, 70, 0.1);
  color: var(--primary-color);
  border-radius: 20px;
  font-weight: 600;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.section-title {
  font-size: 48px;
  font-weight: 800;
  color: var(--secondary-color);
  margin-bottom: 16px;
  letter-spacing: -1px;
}

.about-section {
  background: var(--light-bg);
}

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

.about-text .lead {
  font-size: 22px;
  font-weight: 600;
  color: var(--secondary-color);
  margin-bottom: 24px;
  line-height: 1.5;
}

.about-text p {
  margin-bottom: 20px;
  color: var(--text-light);
  font-size: 16px;
  line-height: 1.8;
}

.stats {
  display: flex;
  gap: 40px;
  margin-top: 40px;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stat-number {
  font-size: 48px;
  font-weight: 800;
  color: var(--primary-color);
  line-height: 1;
}

.stat-label {
  font-size: 14px;
  color: var(--text-light);
  font-weight: 500;
}

.about-image {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-image img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.about-image:hover img {
  transform: scale(1.05);
}

.services-section {
  background: var(--white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.service-card {
  background: var(--white);
  border: 2px solid #e9ecef;
  border-radius: 16px;
  padding: 40px 32px;
  transition: var(--transition);
}

.service-card:hover {
  border-color: var(--primary-color);
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.service-icon {
  font-size: 56px;
  margin-bottom: 24px;
  display: block;
}

.service-card h3 {
  font-size: 24px;
  color: var(--secondary-color);
  margin-bottom: 16px;
  font-weight: 700;
}

.service-card > p {
  color: var(--text-light);
  margin-bottom: 24px;
  line-height: 1.7;
}

.service-list {
  list-style: none;
  padding-left: 0;
}

.service-list li {
  padding: 8px 0;
  color: var(--text-light);
  position: relative;
  padding-left: 24px;
}

.service-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 700;
}

.f1-section {
  background: var(--gradient-dark);
  color: var(--white);
}

.f1-section .section-tag {
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
}

.f1-section .section-title {
  color: var(--white);
}

.f1-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.f1-text h3 {
  font-size: 32px;
  margin-bottom: 24px;
  font-weight: 700;
}

.f1-text p {
  margin-bottom: 24px;
  opacity: 0.9;
  line-height: 1.8;
}

.f1-features {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 40px;
}

.f1-feature {
  background: rgba(255, 255, 255, 0.05);
  padding: 24px;
  border-radius: 12px;
  border-left: 4px solid var(--primary-color);
}

.f1-feature h4 {
  font-size: 20px;
  margin-bottom: 12px;
  color: var(--accent-color);
}

.f1-feature p {
  margin: 0;
  opacity: 0.8;
}

.f1-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.f1-img-main {
  grid-column: 1 / -1;
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
}

.f1-img-secondary {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
}

.maintenance-section {
  background: var(--light-bg);
}

.maintenance-content {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: start;
}

.maintenance-image {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  height: 100%;
}

.maintenance-image img {
  width: 100%;
  height: 100%;
  min-height: 600px;
  object-fit: cover;
}

.maintenance-info h3 {
  font-size: 32px;
  color: var(--secondary-color);
  margin-bottom: 20px;
  font-weight: 700;
}

.maintenance-info > p {
  color: var(--text-light);
  margin-bottom: 40px;
  line-height: 1.8;
  font-size: 16px;
}

.maintenance-plans {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 40px;
}

.maintenance-plan {
  background: var(--white);
  padding: 32px;
  border-radius: 12px;
  border: 2px solid #e9ecef;
  transition: var(--transition);
}

.maintenance-plan:hover {
  border-color: var(--primary-color);
  transform: translateX(8px);
}

.maintenance-plan h4 {
  font-size: 22px;
  color: var(--secondary-color);
  margin-bottom: 16px;
  font-weight: 700;
}

.maintenance-plan ul {
  list-style: none;
  margin-bottom: 16px;
}

.maintenance-plan li {
  padding: 8px 0;
  color: var(--text-light);
  position: relative;
  padding-left: 24px;
}

.maintenance-plan li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: 700;
}

.plan-interval {
  color: var(--primary-color);
  font-weight: 600;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.maintenance-tips {
  background: var(--white);
  padding: 32px;
  border-radius: 12px;
  border-left: 4px solid var(--accent-color);
}

.maintenance-tips h4 {
  font-size: 24px;
  color: var(--secondary-color);
  margin-bottom: 24px;
  font-weight: 700;
}

.tips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

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

.tip-icon {
  font-size: 32px;
}

.tip p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
}

.tip strong {
  color: var(--secondary-color);
}

.gallery-section {
  background: var(--white);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 24px;
}

.gallery-item {
  position: relative;
  height: 300px;
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow-md);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 32px;
  color: var(--white);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-overlay h3 {
  font-size: 24px;
  margin-bottom: 8px;
  font-weight: 700;
}

.gallery-overlay p {
  opacity: 0.9;
}

.contact-section {
  background: var(--light-bg);
}

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

.contact-info h3 {
  font-size: 32px;
  color: var(--secondary-color);
  margin-bottom: 16px;
  font-weight: 700;
}

.contact-intro {
  color: var(--text-light);
  margin-bottom: 40px;
  line-height: 1.8;
  font-size: 16px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 32px;
  margin-bottom: 40px;
}

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

.contact-icon {
  font-size: 32px;
  flex-shrink: 0;
}

.contact-item h4 {
  font-size: 18px;
  color: var(--secondary-color);
  margin-bottom: 8px;
  font-weight: 700;
}

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

.social-links {
  display: flex;
  gap: 16px;
}

.social-link {
  padding: 12px 24px;
  background: var(--secondary-color);
  color: var(--white);
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  transition: var(--transition);
  font-size: 14px;
}

.social-link:hover {
  background: var(--primary-color);
  transform: translateY(-2px);
}

.contact-form {
  background: var(--white);
  padding: 40px;
  border-radius: 16px;
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 24px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 16px;
  border: 2px solid #e9ecef;
  border-radius: 8px;
  font-size: 16px;
  font-family: inherit;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

.form-group textarea {
  resize: vertical;
}

.contact-form .btn {
  width: 100%;
}

.footer {
  background: var(--gradient-dark);
  color: var(--white);
  padding: 60px 0 24px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h3,
.footer-col h4 {
  margin-bottom: 20px;
  font-weight: 700;
}

.footer-col h3 {
  font-size: 28px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-col p {
  opacity: 0.8;
  line-height: 1.8;
}

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

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul li a {
  color: var(--white);
  text-decoration: none;
  opacity: 0.8;
  transition: var(--transition);
}

.footer-col ul li a:hover {
  opacity: 1;
  color: var(--primary-color);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  text-align: center;
  opacity: 0.7;
  font-size: 14px;
}

.footer-bottom p {
  margin: 4px 0;
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background: var(--dark-bg);
    width: 100%;
    text-align: center;
    transition: left 0.3s ease;
    padding: 32px 0;
    gap: 16px;
  }

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

  .hero-title {
    font-size: 48px;
  }

  .hero-subtitle {
    font-size: 18px;
  }

  .section-title {
    font-size: 36px;
  }

  .about-content,
  .f1-content,
  .maintenance-content,
  .contact-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .stats {
    flex-direction: column;
    gap: 24px;
  }

  .partner-card {
    flex-direction: column;
    text-align: center;
  }

  .partner-btn {
    width: 100%;
  }

  .f1-images {
    grid-template-columns: 1fr;
  }

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

.observe-fade {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.observe-fade.visible {
  opacity: 1;
  transform: translateY(0);
}