:root {
  --blue-dark: #1e293b;
  --orange: #10b981;
  --terracotta: #059669;
  --gray-light: #f5f5f5;
  --gray-medium: #e0e0e0;
  --gray-dark: #666666;
  --white: #ffffff;
  --shadow: 0 4px 20px rgba(24, 53, 90, 0.1);
  --shadow-lg: 0 8px 40px rgba(24, 53, 90, 0.15);
  --radius: 8px;
  --radius-lg: 16px;
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--blue-dark);
  line-height: 1.6;
  background: var(--white);
}

a {
  text-decoration: none;
  color: inherit;
}

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

h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--white);
  box-shadow: var(--shadow);
  z-index: 1000;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

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

.logo img {
  height: 50px;
  width: auto;
}

.logo-dark {
  display: none;
}

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

.logo-text .brand {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--blue-dark);
}

.logo-text .brand span {
  color: var(--orange);
}

.logo-text .tagline {
  font-size: 0.7rem;
  color: var(--gray-dark);
}

.nav-links {
  display: flex;
  gap: 30px;
  list-style: none;
}

.nav-links a {
  font-weight: 500;
  color: var(--blue-dark);
  position: relative;
  padding: 5px 0;
  transition: color var(--transition);
}

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

.nav-links a:hover,
.nav-links a.active {
  color: var(--orange);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: var(--blue-dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--gray-light) 0%, var(--white) 100%);
  padding-top: 70px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 150%;
  background: var(--blue-dark);
  opacity: 0.03;
  transform: rotate(-15deg);
}

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

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  background: var(--orange);
  color: var(--white);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.hero h1 {
  margin-bottom: 20px;
  color: var(--blue-dark);
}

.hero h1 span {
  color: var(--orange);
}

.hero-description {
  font-size: 1.1rem;
  color: var(--gray-dark);
  margin-bottom: 30px;
  max-width: 500px;
}

.hero-buttons {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

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

.btn-primary:hover {
  background: var(--terracotta);
  transform: translateY(-2px);
}

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

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

.hero-image {
  position: relative;
}

.hero-image-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--blue-dark) 0%, #2a4a7a 100%);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  color: var(--white);
  box-shadow: var(--shadow-lg);
}

.hero-image-placeholder svg {
  opacity: 0.9;
}

.hero-image-placeholder span {
  font-size: 1.2rem;
  font-weight: 600;
  opacity: 0.8;
}

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

.stat {
  text-align: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--orange);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--gray-dark);
}

/* Section Styles */
.section {
  padding: 80px 0;
}

.section-alt {
  background: var(--gray-light);
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-header h2 {
  margin-bottom: 15px;
}

.section-header p {
  color: var(--gray-dark);
  max-width: 600px;
  margin: 0 auto;
}

.section-badge {
  display: inline-block;
  background: rgba(226, 118, 27, 0.1);
  color: var(--orange);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 15px;
}

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

.about-content p {
  color: var(--gray-dark);
  margin-bottom: 15px;
}

.about-content p:first-of-type {
  font-size: 1.05rem;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 30px;
}

.feature {
  display: flex;
  align-items: center;
  gap: 12px;
}

.feature-icon {
  width: 40px;
  height: 40px;
  background: rgba(226, 118, 27, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.feature-icon svg {
  width: 20px;
  height: 20px;
  color: var(--orange);
}

.feature span {
  font-weight: 500;
  color: var(--blue-dark);
}

.about-image-placeholder {
  width: 100%;
  aspect-ratio: 1;
  background: linear-gradient(135deg, var(--gray-medium) 0%, var(--gray-light) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
}

.about-image-placeholder svg {
  color: var(--blue-dark);
  opacity: 0.3;
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid transparent;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--orange);
}

.service-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--orange), var(--terracotta));
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.service-icon svg {
  width: 30px;
  height: 30px;
  color: var(--white);
}

.service-card h3 {
  margin-bottom: 10px;
  color: var(--blue-dark);
}

.service-card p {
  color: var(--gray-dark);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.portfolio-link {
  color: var(--orange);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: gap var(--transition);
}

.portfolio-link:hover {
  gap: 10px;
}

/* Page Header */
.page-header {
  background: linear-gradient(135deg, var(--blue-dark) 0%, #2a4a7a 100%);
  color: var(--white);
  padding: 120px 0 60px;
  text-align: center;
}

.page-header h1 {
  margin-bottom: 15px;
}

.page-header p {
  opacity: 0.8;
  max-width: 600px;
  margin: 0 auto;
}

/* Placeholder Section */
.placeholder-section {
  padding: 80px 0;
}

.placeholder-content {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 60px;
  text-align: center;
  box-shadow: var(--shadow);
  max-width: 600px;
  margin: 0 auto;
}

.placeholder-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--orange), var(--terracotta));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 30px;
}

.placeholder-icon svg {
  width: 40px;
  height: 40px;
  color: var(--white);
}

.placeholder-content h2 {
  margin-bottom: 15px;
  color: var(--blue-dark);
}

.placeholder-content p {
  color: var(--gray-dark);
  margin-bottom: 30px;
}

.placeholder-content .btn {
  margin-top: 10px;
}

/* Footer */
.footer {
  background: var(--blue-dark);
  color: var(--white);
  padding: 60px 0 30px;
}

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

.footer-brand p {
  opacity: 0.7;
  margin-top: 15px;
  font-size: 0.9rem;
}

.footer-links h4 {
  margin-bottom: 20px;
  font-size: 1rem;
}

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

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  opacity: 0.7;
  transition: opacity var(--transition);
}

.footer-links a:hover {
  opacity: 1;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  opacity: 0.7;
}

/* Responsive */
@media (max-width: 992px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content {
    order: 2;
  }

  .hero-image {
    order: 1;
    max-width: 500px;
    margin: 0 auto;
  }

  .hero-description {
    margin: 0 auto 30px;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

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

  .about-image {
    max-width: 400px;
    margin: 0 auto;
    order: -1;
  }

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

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 20px;
    box-shadow: var(--shadow);
    display: none;
    flex-direction: column;
    gap: 15px;
  }

  .nav-menu.active {
    display: flex;
  }

  .nav-menu .nav-links {
    display: flex;
    flex-direction: column;
    gap: 15px;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: 30px;
  }

  .about-features {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 480px) {
  .section {
    padding: 60px 0;
  }

  .page-header {
    padding: 100px 0 40px;
  }

  .hero-stats {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .placeholder-content {
    padding: 40px 20px;
  }
}