:root {
  --primary: #1a365d;
  --primary-light: #2d4a7c;
  --secondary: #4a90a4;
  --accent: #7bb3c4;
  --bg: #f8fafc;
  --bg-alt: #eef3f7;
  --text: #1e293b;
  --text-light: #64748b;
  --white: #ffffff;
  --border: #e2e8f0;
  --shadow: 0 4px 20px rgba(26, 54, 93, 0.08);
  --shadow-lg: 0 8px 30px rgba(26, 54, 93, 0.12);
  --radius: 12px;
  --radius-lg: 20px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
}

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

/* Header */
header {
  background: var(--white);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.logo span {
  color: var(--secondary);
}

nav {
  display: flex;
  gap: 8px;
}

nav a {
  color: var(--text);
  text-decoration: none;
  padding: 10px 18px;
  border-radius: var(--radius);
  transition: all 0.2s ease;
  font-weight: 500;
  font-size: 0.95rem;
}

nav a:hover,
nav a.active {
  background: var(--bg-alt);
  color: var(--primary);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--primary);
  padding: 8px;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--white);
  padding: 100px 24px;
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: -1px;
  line-height: 1.2;
}

.hero p {
  font-size: 1.25rem;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto 32px;
}

.hero-btn {
  display: inline-block;
  background: var(--white);
  color: var(--primary);
  padding: 16px 36px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: var(--shadow);
}

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

/* Sections */
section {
  padding: 80px 24px;
}

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

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

.section-header h2 {
  font-size: 2.25rem;
  color: var(--primary);
  margin-bottom: 16px;
  font-weight: 700;
}

.section-header p {
  color: var(--text-light);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

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

.card-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
  color: var(--white);
}

.card h3 {
  font-size: 1.25rem;
  color: var(--primary);
  margin-bottom: 12px;
}

.card p {
  color: var(--text-light);
  font-size: 0.95rem;
}

/* Image Grid */
.image-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 1000px;
  margin: 60px auto 0;
}

.image-grid img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

/* Two Column Layout */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.two-col.reverse {
  direction: rtl;
}

.two-col.reverse > * {
  direction: ltr;
}

.two-col-content h2 {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 20px;
}

.two-col-content p {
  color: var(--text-light);
  margin-bottom: 16px;
  font-size: 1.05rem;
}

.two-col-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* Features List */
.features-list {
  list-style: none;
  margin-top: 24px;
}

.features-list li {
  padding: 12px 0;
  padding-left: 32px;
  position: relative;
  color: var(--text);
}

.features-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--secondary);
  font-weight: 700;
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  max-width: 1100px;
  margin: 0 auto;
}

.contact-info h3 {
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: 24px;
}

.contact-item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  align-items: flex-start;
}

.contact-icon {
  width: 48px;
  height: 48px;
  background: var(--bg-alt);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--secondary);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-item h4 {
  font-size: 1rem;
  color: var(--primary);
  margin-bottom: 4px;
}

.contact-item p {
  color: var(--text-light);
  font-size: 0.95rem;
}

/* Form */
.contact-form {
  background: var(--white);
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s ease;
}

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

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.submit-btn {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--white);
  border: none;
  padding: 16px 40px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  width: 100%;
}

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

/* Footer */
footer {
  background: var(--primary);
  color: var(--white);
  padding: 60px 24px 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto 40px;
}

.footer-brand h3 {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.footer-brand p {
  opacity: 0.8;
  font-size: 0.95rem;
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 1rem;
  margin-bottom: 20px;
  opacity: 0.9;
}

.footer-col a {
  display: block;
  color: var(--white);
  opacity: 0.7;
  text-decoration: none;
  margin-bottom: 12px;
  font-size: 0.9rem;
  transition: opacity 0.2s ease;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  max-width: 1200px;
  margin: 0 auto;
  opacity: 0.7;
  font-size: 0.9rem;
}

/* Page Header */
.page-header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--white);
  padding: 80px 24px;
  text-align: center;
}

.page-header h1 {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.page-header p {
  opacity: 0.9;
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Content Page */
.content-page {
  padding: 60px 24px;
}

.content-page .container {
  max-width: 800px;
}

.content-page h2 {
  font-size: 1.5rem;
  color: var(--primary);
  margin: 40px 0 16px;
}

.content-page h2:first-child {
  margin-top: 0;
}

.content-page p {
  margin-bottom: 16px;
  color: var(--text);
}

.content-page ul {
  margin: 16px 0;
  padding-left: 24px;
}

.content-page li {
  margin-bottom: 8px;
  color: var(--text);
}

/* Services Page */
.services-detailed {
  padding: 80px 24px;
}

.service-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto 80px;
}

.service-block:nth-child(even) {
  direction: rtl;
}

.service-block:nth-child(even) > * {
  direction: ltr;
}

.service-block:last-child {
  margin-bottom: 0;
}

.service-content h3 {
  font-size: 1.75rem;
  color: var(--primary);
  margin-bottom: 16px;
}

.service-content p {
  color: var(--text-light);
  font-size: 1.05rem;
  margin-bottom: 20px;
}

.service-image img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

/* Stats Section */
.stats-section {
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  padding: 60px 24px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
}

.stat-item h3 {
  font-size: 2.5rem;
  color: var(--white);
  margin-bottom: 8px;
}

.stat-item p {
  color: var(--white);
  opacity: 0.9;
  font-size: 0.95rem;
}

/* Team Grid */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  max-width: 900px;
  margin: 0 auto;
}

.team-card {
  text-align: center;
}

.team-card img {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}

.team-card h4 {
  font-size: 1.1rem;
  color: var(--primary);
  margin-bottom: 4px;
}

.team-card p {
  color: var(--text-light);
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 968px) {
  .two-col,
  .contact-grid,
  .service-block {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .two-col.reverse,
  .service-block:nth-child(even) {
    direction: ltr;
  }

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

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

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

  .hero h1 {
    font-size: 2.25rem;
  }

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

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 20px;
    box-shadow: var(--shadow);
  }

  nav.active {
    display: flex;
  }

  .hero {
    padding: 60px 24px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  section {
    padding: 50px 24px;
  }

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

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

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

  .contact-form {
    padding: 24px;
  }
}