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

body {
  font-family: 'Inter', sans-serif;
  background: linear-gradient(145deg, #0A1628 0%, #1A2538 40%, #2D3748 70%, #1E2A3A 100%);
  color: #E8EDF2;
  line-height: 1.5;
  scroll-behavior: smooth;
}

h1, h2, h3, h4, .logo {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(10, 22, 40, 0.92);
  backdrop-filter: blur(16px);
  z-index: 1000;
  padding: 1rem 2rem;
  border-bottom: 1px solid rgba(100, 116, 139, 0.2);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.logo {
  font-size: 1.8rem;
  font-weight: 800;
}

.logo-main {
  color: #60A5FA;
}

.logo-light {
  color: #94A3B8;
}

.nav-links {
  display: flex;
  gap: 1.8rem;
  list-style: none;
  flex-wrap: wrap;
}

.nav-links a {
  text-decoration: none;
  color: #CBD5E1;
  font-weight: 500;
  font-size: 0.85rem;
  transition: 0.3s;
  letter-spacing: 0.3px;
}

.nav-links a:hover {
  color: #60A5FA;
}

.lang-switch {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.lang-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-weight: 600;
  padding: 0.3rem 0.7rem;
  border-radius: 6px;
  transition: 0.2s;
  color: #94A3B8;
}

.lang-btn.active {
  background: #2563EB;
  color: white;
}

.lang-divider {
  color: #475569;
}

.hamburger {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: #94A3B8;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: url('https://images.pexels.com/photos/276724/pexels-photo-276724.jpeg?auto=compress&cs=tinysrgb&w=1600') center/cover no-repeat;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10, 22, 40, 0.85) 0%, rgba(29, 53, 86, 0.75) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 2rem;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

.hero-badge {
  display: inline-block;
  background: rgba(37, 99, 235, 0.2);
  backdrop-filter: blur(8px);
  padding: 0.5rem 1.2rem;
  border-radius: 40px;
  font-size: 0.8rem;
  color: #60A5FA;
  border: 1px solid rgba(96, 165, 250, 0.3);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: 4rem;
  color: white;
  margin-bottom: 1rem;
  max-width: 700px;
}

.hero-accent {
  color: #60A5FA;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: #CBD5E1;
  margin-bottom: 2rem;
  max-width: 550px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.primary-btn {
  background: #2563EB;
  padding: 0.9rem 2rem;
  border-radius: 8px;
  color: white;
  text-decoration: none;
  font-weight: 600;
  transition: 0.3s;
  display: inline-block;
}

.primary-btn:hover {
  background: #1D4ED8;
  transform: translateY(-2px);
}

.secondary-btn {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  padding: 0.9rem 2rem;
  border-radius: 8px;
  color: white;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: 0.3s;
}

.secondary-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.hero-stats {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
}

.hero-stat {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: #60A5FA;
}

.stat-label {
  font-size: 0.85rem;
  color: #94A3B8;
}

/* Container */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Sections */
.section {
  padding: 5rem 0;
  border-bottom: 1px solid rgba(71, 85, 105, 0.3);
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title {
  font-size: 2.2rem;
  color: #F1F5F9;
  margin-bottom: 0.8rem;
}

.accent-line {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, #2563EB, #60A5FA);
  margin: 0 auto;
  border-radius: 3px;
}

/* Profile Grid */
.profile-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.profile-text p {
  color: #CBD5E1;
  line-height: 1.7;
  margin-bottom: 1.2rem;
}

.profile-features {
  display: flex;
  gap: 1.5rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.feature {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #94A3B8;
  font-size: 0.9rem;
}

.feature i {
  color: #60A5FA;
}

.profile-image img {
  width: 100%;
  border-radius: 16px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* Grids */
.grid-3, .masterplan-grid, .engineering-grid, .casestudies-grid, .testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.card {
  background: rgba(30, 41, 59, 0.6);
  backdrop-filter: blur(8px);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.35s;
  border: 1px solid rgba(71, 85, 105, 0.4);
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(96, 165, 250, 0.4);
  box-shadow: 0 20px 30px rgba(0, 0, 0, 0.2);
}

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

.card-content {
  padding: 1.5rem;
}

.card-content h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: #F1F5F9;
}

.card-content p {
  color: #94A3B8;
  font-size: 0.85rem;
  line-height: 1.5;
}

/* Statistics Section */
.stats-section {
  background: rgba(37, 99, 235, 0.05);
  border-radius: 24px;
  margin: 2rem 0;
}

.stats-container {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 2rem;
  text-align: center;
}

.stat-item {
  text-align: center;
}

.stat-number-lg {
  font-size: 3rem;
  font-weight: 800;
  color: #60A5FA;
}

.stat-label-lg {
  font-size: 0.9rem;
  color: #94A3B8;
  margin-top: 0.5rem;
}

/* Clients Grid */
.clients-grid {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2.5rem;
  align-items: center;
}

.client-logo {
  background: rgba(71, 85, 105, 0.3);
  padding: 1rem 2rem;
  border-radius: 12px;
  text-align: center;
  transition: 0.3s;
}

.client-logo:hover {
  background: rgba(96, 165, 250, 0.2);
}

.client-logo span {
  font-weight: 700;
  font-size: 1rem;
  color: #CBD5E1;
  letter-spacing: 1px;
}

/* Testimonials */
.testimonial-card {
  background: rgba(30, 41, 59, 0.6);
  backdrop-filter: blur(8px);
  padding: 2rem;
  border-radius: 16px;
  border-left: 4px solid #60A5FA;
}

.testimonial-text {
  font-style: italic;
  color: #CBD5E1;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.testimonial-author {
  font-weight: 700;
  color: #60A5FA;
}

.testimonial-position {
  font-size: 0.8rem;
  color: #94A3B8;
}

/* Meeting CTA */
.meeting-card {
  background: linear-gradient(135deg, #1E293B, #0F172A);
  border-radius: 24px;
  padding: 3rem 2rem;
  text-align: center;
  border: 1px solid rgba(96, 165, 250, 0.3);
}

.meeting-card h3 {
  font-size: 2rem;
  color: #F1F5F9;
  margin-bottom: 0.5rem;
}

.meeting-card p {
  color: #94A3B8;
  margin-bottom: 2rem;
}

.meeting-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.meeting-btn {
  padding: 0.9rem 2rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: 0.3s;
}

.primary-meeting {
  background: #2563EB;
  color: white;
}

.primary-meeting:hover {
  background: #1D4ED8;
  transform: translateY(-2px);
}

.wa-meeting {
  background: #25D366;
  color: white;
}

.wa-meeting:hover {
  background: #1DA955;
  transform: translateY(-2px);
}

/* Footer */
.footer {
  background: #0F172A;
  padding: 3rem 2rem 1.5rem;
  margin-top: 2rem;
}

.footer-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-logo {
  font-size: 1.6rem;
  font-weight: 800;
}

.footer-logo span {
  color: #60A5FA;
}

.footer-col p {
  color: #94A3B8;
  font-size: 0.85rem;
  margin-top: 0.5rem;
}

.footer-col h4 {
  color: #F1F5F9;
  margin-bottom: 1rem;
  font-size: 1rem;
}

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

.social-icons a {
  color: #94A3B8;
  font-size: 1.2rem;
  transition: 0.3s;
}

.social-icons a:hover {
  color: #60A5FA;
}

.footer-bottom {
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(71, 85, 105, 0.3);
  color: #64748B;
  font-size: 0.8rem;
}

/* Responsive */
@media (max-width: 900px) {
  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    text-align: center;
    padding: 1rem 0;
    gap: 1rem;
  }
  .nav-links.active {
    display: flex;
  }
  .hamburger {
    display: block;
  }
  .hero-title {
    font-size: 2.5rem;
  }
  .profile-grid {
    grid-template-columns: 1fr;
  }
  .section-title {
    font-size: 1.8rem;
  }
  .meeting-card h3 {
    font-size: 1.5rem;
  }
}

@media (max-width: 600px) {
  .container {
    padding: 0 1rem;
  }
  .hero-stats {
    gap: 1.5rem;
  }
  .stat-number-lg {
    font-size: 2.2rem;
  }
}