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

*, ::before, ::after {
  box-sizing: border-box;
}

:root {
  --primary-color: #1e3a8a;
  --primary-hover: #1d4ed8;
  --bg-color: #f5f7fb;
  --text-color: #2c3e50;
  --text-light: #4b5563;
  --white: #ffffff;
  --shadow-sm: 0 4px 6px rgba(0,0,0,0.05);
  --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
  --transition: all 0.3s ease;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  margin: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Header */
.site-header {
  background-color: var(--primary-color);
  color: var(--white);
  padding: 15px 0;
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.site-header .logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  text-decoration: none;
  letter-spacing: 0.5px;
}
.site-header .nav-links a {
  color: #93c5fd;
  text-decoration: none;
  margin-left: 20px;
  font-weight: 600;
  transition: var(--transition);
}
.site-header .nav-links a:hover {
  color: var(--white);
}

/* Main */
.main-content {
  flex: 1;
  padding: 60px 20px;
}

/* Footer */
.site-footer {
  background-color: var(--primary-color);
  color: var(--white);
  padding: 40px 20px;
  text-align: center;
  font-size: 0.95em;
  margin-top: auto;
}
.site-footer a {
  color: #93c5fd;
  text-decoration: none;
  margin: 0 15px;
  transition: var(--transition);
}
.site-footer a:hover {
  color: var(--white);
}
.footer-links {
  margin-bottom: 20px;
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
}
.copyright {
  color: #93c5fd;
  opacity: 0.8;
}

/* Common Components */
.container {
  max-width: 800px;
  margin: 0 auto;
}
.card {
  background: var(--white);
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  padding: 40px;
  transition: var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-lg);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-size: 1rem;
}
.btn-primary {
  background-color: var(--primary-color);
  color: var(--white);
}
.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(30, 58, 138, 0.3);
}
.btn-secondary {
  background-color: var(--white);
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}
.btn-secondary:hover {
  background-color: #f0f4ff;
  transform: translateY(-2px);
}
.btn-store {
  background-color: #ffffff;
  color: #1e293b;
  border-radius: 8px;
  padding: 10px 20px;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  transition: var(--transition);
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: var(--shadow-sm);
  font-weight: 600;
}
.btn-store:hover {
  background-color: #f8fafc;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: #0f172a;
}

/* Utilities */
.text-center { text-align: center; }
.mb-4 { margin-bottom: 1rem; }
.mb-8 { margin-bottom: 2rem; }
.mt-4 { margin-top: 1rem; }
.mt-8 { margin-top: 2rem; }

/* Grid Layout & Service Cards (Common Component) */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  max-width: 1000px;
  margin: 0 auto;
}
.service-card {
  background: var(--white);
  border-radius: 20px;
  padding: 30px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
}
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}
.service-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--primary-color), #3b82f6);
}
.service-card.budget::before { background: linear-gradient(90deg, #f59e0b, #fbbf24); }
.service-card.fillmap::before { background: linear-gradient(90deg, #10b981, #34d399); }
.service-card.taketrain::before { background: linear-gradient(90deg, #3b82f6, #60a5fa); }

.service-icon {
  width: 80px;
  height: 80px;
  border-radius: 16px;
  margin: 0 auto 20px;
  object-fit: cover;
  box-shadow: var(--shadow-sm);
}
.service-title {
  font-size: 1.4rem;
  color: var(--primary-color);
  margin: 0 0 10px 0;
}
.service-desc {
  color: var(--text-light);
  font-size: 0.95rem;
  margin-bottom: 20px;
  flex: 1;
}
.service-platforms {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 20px;
}
.platform-badge {
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 20px;
  background: #e5e7eb;
  color: #4b5563;
  font-weight: 600;
}
.platform-badge.ios { background: #dbeafe; color: #1e40af; }
.platform-badge.android { background: #dcfce7; color: #166534; }

.btn-view {
  margin-top: auto;
  width: 100%;
  background: #f3f4f6;
  color: var(--primary-color);
}
.service-card:hover .btn-view {
  background: var(--primary-color);
  color: var(--white);
}

/* Hero Home Customization */
.hero-home {
  text-align: center;
  padding: 80px 20px;
  background: white;
  border-radius: 24px;
  box-shadow: var(--shadow-sm);
  margin-top: 40px;
  margin-bottom: 60px;
}
.hero-home h1 {
  color: var(--primary-color);
  font-size: 3.5rem;
  margin-bottom: 20px;
  font-weight: 700;
}
.hero-home p {
  font-size: 1.25rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

/* Sections */
.section {
  padding: 60px 0;
}
.section-title {
  font-size: 2rem;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 40px;
  font-weight: 700;
  position: relative;
}
.section-title::after {
  content: "";
  display: block;
  width: 50px;
  height: 4px;
  background: var(--primary-color);
  margin: 15px auto 0;
  border-radius: 2px;
}

/* Concept Section */
.concept-box {
  background: white;
  border-radius: 20px;
  padding: 40px;
  box-shadow: var(--shadow-sm);
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.concept-text {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-light);
}

/* CTA Section */
.cta-box {
  text-align: center;
  padding: 40px;
  background: linear-gradient(135deg, var(--primary-color), #1d4ed8);
  color: white;
  border-radius: 24px;
  box-shadow: var(--shadow-md);
  margin-top: 60px;
}
.cta-box h2 {
  font-size: 1.8rem;
  margin-bottom: 15px;
}
.cta-box p {
  font-size: 1.05rem;
  margin-bottom: 30px;
  opacity: 0.9;
}
.cta-box .btn-secondary {
  background-color: white;
  color: var(--primary-color);
  border: none;
}
.cta-box .btn-secondary:hover {
  background-color: #f0f4ff;
}

@media (max-width: 600px) {
  .site-header .nav-links {
    display: none; /* simple mobile nav: hide for now, or keep small */
  }
  .card {
    padding: 20px;
  }
  .hero-home h1 {
    font-size: 2.5rem;
  }
  .hero-home p {
    font-size: 1.1rem;
  }
}