@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
  --primary: #0A66C2;
  --primary-light: #E1F0FF;
  --secondary: #00C6FF;
  --accent: #FF5A5F;
  --text-dark: #1F2937;
  --text-muted: #6B7280;
  --bg-light: #F9FAFB;
  --bg-white: #FFFFFF;
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.2);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--text-dark);
  background-color: var(--bg-light);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-dark);
}

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

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

ul {
  list-style: none;
}

/* Utilities */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-gradient {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-padding { padding: 100px 0; }
.section-header {
  margin-bottom: 60px;
  text-align: center;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 16px;
  position: relative;
  display: inline-block;
}

.section-subtitle {
  color: var(--primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.875rem;
  margin-bottom: 8px;
  display: block;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-family: 'Outfit', sans-serif;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-size: 1rem;
  gap: 8px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  box-shadow: 0 4px 15px rgba(10, 102, 194, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(10, 102, 194, 0.4);
}

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

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

/* Header & Nav */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.header.scrolled {
  padding: 5px 0;
  box-shadow: var(--shadow-md);
}

.top-bar {
  background: var(--primary);
  color: white;
  padding: 8px 0;
  font-size: 0.875rem;
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-bar-contact {
  display: flex;
  gap: 24px;
}

.top-bar-contact a {
  display: flex;
  align-items: center;
  gap: 8px;
}

.top-bar-contact a:hover {
  color: var(--primary-light);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  height: 80px;
}

.logo {
  font-family: 'Outfit', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo img {
  height: 48px;
  width: auto;
}

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

.nav-item {
  position: relative;
}

.nav-link {
  font-weight: 600;
  color: var(--text-dark);
  padding: 8px 0;
  font-family: 'Outfit', sans-serif;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transition: var(--transition);
}

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

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--bg-white);
  min-width: 240px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  padding: 12px 0;
  border: 1px solid var(--glass-border);
}

.nav-item:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: block;
  padding: 10px 24px;
  color: var(--text-dark);
  font-size: 0.95rem;
  font-weight: 500;
}

.dropdown-item:hover {
  background: var(--primary-light);
  color: var(--primary);
  padding-left: 28px;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-dark);
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding-top: 160px;
  padding-bottom: 80px;
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at top right, var(--primary-light), var(--bg-light));
}

.hero::before {
  content: '';
  position: absolute;
  top: -10%;
  right: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 198, 255, 0.15) 0%, rgba(255,255,255,0) 70%);
  border-radius: 50%;
  z-index: 0;
}

.hero-container {
  display: flex;
  align-items: center;
  gap: 60px;
  position: relative;
  z-index: 1;
}

.hero-content {
  flex: 1;
  max-width: 600px;
}

.hero-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(10, 102, 194, 0.1);
  color: var(--primary);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 24px;
  border: 1px solid rgba(10, 102, 194, 0.2);
}

.hero-title {
  font-size: 4rem;
  margin-bottom: 24px;
  line-height: 1.1;
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
}

.hero-image {
  flex: 1;
  position: relative;
}

.hero-image img {
  border-radius: 30px;
  box-shadow: var(--shadow-lg);
  animation: float 6s ease-in-out infinite;
}

.hero-shape {
  position: absolute;
  z-index: -1;
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
  100% { transform: translateY(0px); }
}

/* Features Section */
.features {
  padding: 80px 0;
  background: var(--bg-white);
  position: relative;
  z-index: 2;
  margin-top: -40px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.feature-card {
  background: var(--bg-white);
  padding: 40px 30px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border: 1px solid rgba(0,0,0,0.03);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

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

.feature-icon {
  width: 70px;
  height: 70px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 24px;
  transition: var(--transition);
}

.feature-card:hover .feature-icon {
  background: var(--primary);
  color: white;
  transform: rotate(10deg);
}

.feature-title {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.feature-desc {
  color: var(--text-muted);
}

/* Services Sections */
.services-section {
  background: var(--bg-light);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 30px;
}

.service-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
}

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

.service-img {
  height: 220px;
  overflow: hidden;
  position: relative;
}

.service-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.service-card:hover .service-img img {
  transform: scale(1.1);
}

.service-img::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.5), transparent);
  opacity: 0;
  transition: var(--transition);
}

.service-card:hover .service-img::after {
  opacity: 1;
}

.service-content {
  padding: 30px;
}

.service-title {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.service-desc {
  color: var(--text-muted);
  margin-bottom: 20px;
}

.service-link {
  color: var(--primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.service-link i {
  transition: transform 0.3s ease;
}

.service-link:hover i {
  transform: translateX(5px);
}

/* Common Page Banner */
.page-banner {
  padding: 180px 0 100px;
  background: linear-gradient(135deg, #0A66C2 0%, #004d99 100%);
  color: white;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-banner::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 50px;
  background: var(--bg-light);
  clip-path: polygon(0 100%, 100% 100%, 100% 0);
}

.page-banner h1 {
  color: white;
  font-size: 3.5rem;
  margin-bottom: 16px;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 12px;
  font-weight: 500;
  opacity: 0.9;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

/* Service Detail Page */
.service-detail-wrap {
  display: flex;
  gap: 50px;
}

.service-main {
  flex: 2;
}

.service-sidebar {
  flex: 1;
}

.service-main-img {
  border-radius: var(--radius-lg);
  margin-bottom: 40px;
  box-shadow: var(--shadow-md);
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.content-block h2, .content-block h3 {
  margin: 30px 0 16px;
  color: var(--primary);
}

.content-block p {
  margin-bottom: 20px;
  color: var(--text-muted);
}

.content-block ul {
  margin-bottom: 24px;
}

.content-block li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 12px;
  color: var(--text-muted);
}

.content-block li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--primary);
  font-weight: bold;
}

.sidebar-widget {
  background: var(--bg-white);
  padding: 30px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: 30px;
}

.widget-title {
  font-size: 1.25rem;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--bg-light);
}

.service-list li a {
  display: block;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  margin-bottom: 8px;
  background: var(--bg-light);
  font-weight: 500;
  transition: var(--transition);
}

.service-list li a:hover, .service-list li.active a {
  background: var(--primary);
  color: white;
}

/* Contact Form */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 50px;
}

.contact-info-card {
  background: var(--primary);
  color: white;
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.contact-info-card h3 {
  color: white;
  margin-bottom: 30px;
}

.info-item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}

.info-icon {
  width: 48px;
  height: 48px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.info-text h4 {
  color: white;
  margin-bottom: 4px;
  font-size: 1rem;
}

.info-text p {
  opacity: 0.9;
  font-size: 0.95rem;
}

.contact-form-wrap {
  background: var(--bg-white);
  padding: 50px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

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

.form-control {
  width: 100%;
  padding: 16px 20px;
  border: 1px solid #E5E7EB;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
  background: var(--bg-light);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--bg-white);
  box-shadow: 0 0 0 4px var(--primary-light);
}

textarea.form-control {
  height: 150px;
  resize: vertical;
}

/* Footer */
.footer {
  background: #111827;
  color: #D1D5DB;
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-brand .logo {
  color: white;
  margin-bottom: 20px;
}

.footer-brand p {
  margin-bottom: 24px;
}

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

.social-links a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.social-links a:hover {
  background: var(--primary);
  transform: translateY(-3px);
}

.footer-title {
  color: white;
  font-size: 1.25rem;
  margin-bottom: 24px;
  position: relative;
  padding-bottom: 12px;
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--primary);
}

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

.footer-links a:hover {
  color: var(--primary);
  padding-left: 5px;
}

.footer-bottom {
  padding: 24px 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  font-size: 0.9rem;
}

/* Animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

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

/* Responsive */
@media (max-width: 1024px) {
  .hero-title { font-size: 3rem; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .service-detail-wrap { flex-direction: column; }
}

@media (max-width: 768px) {
  .top-bar { display: none; }
  
  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: var(--bg-white);
    flex-direction: column;
    padding: 40px 24px;
    transition: var(--transition);
    overflow-y: auto;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    padding-left: 20px;
    display: none;
  }
  
  .nav-item.active .dropdown-menu {
    display: block;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .hero {
    padding-top: 120px;
  }
  
  .hero-container {
    flex-direction: column;
    text-align: center;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
}