/* ==========================================================================
   Javing - Company Website Styles
   ========================================================================== */

/* CSS Custom Properties */
:root {
  --color-primary: #0D3364;
  --color-primary-dark: #092347;
  --color-primary-light: #1a4a8a;
  --color-text: #333;
  --color-text-light: #666;
  --color-bg: #fff;
  --color-bg-alt: #f8f9fa;
  --color-border: #e9ecef;
  --font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --max-width: 1100px;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-family);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
}

h1, h2, h3 {
  margin: 0 0 1rem;
  line-height: 1.2;
  color: var(--color-primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.25rem; }

p {
  margin: 0 0 1rem;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-primary-light);
}

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

.logo:hover {
  color: var(--color-primary);
}

.nav {
  display: flex;
  gap: var(--spacing-md);
}

.nav a {
  font-weight: 500;
  color: var(--color-text);
}

.nav a:hover {
  color: var(--color-primary);
}

/* Hero Section */
.hero {
  padding: calc(70px + var(--spacing-xl)) 0 var(--spacing-xl);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  text-align: center;
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.hero h1 {
  color: #fff;
  font-size: clamp(2rem, 5vw, 3.5rem);
  max-width: 800px;
  margin: 0 auto 1.5rem;
}

.hero-subtitle {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
}

/* Button */
.btn {
  display: inline-block;
  padding: 1rem 2rem;
  background: #fff;
  color: var(--color-primary);
  font-weight: 600;
  border-radius: 4px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Services Section */
.services {
  padding: var(--spacing-xl) 0;
  background: var(--color-bg-alt);
}

.services h2 {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.service-card {
  background: var(--color-bg);
  padding: var(--spacing-md);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.service-card h3 {
  margin-bottom: 0.75rem;
}

.service-card p {
  color: var(--color-text-light);
  margin-bottom: 0;
}

/* About Section */
.about {
  padding: var(--spacing-xl) 0;
}

.about h2 {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
}

.about-content p {
  font-size: 1.1rem;
  color: var(--color-text-light);
}

.about-content p:last-child {
  margin-bottom: 0;
}

/* Contact Section */
.contact {
  padding: var(--spacing-xl) 0;
  background: var(--color-bg-alt);
}

.contact h2 {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.contact-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.contact-item h3 {
  font-size: 1rem;
  color: var(--color-text-light);
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.contact-item p {
  margin: 0;
}

.contact-item a {
  font-weight: 500;
}

/* Footer */
.footer {
  padding: var(--spacing-md) 0;
  background: var(--color-primary);
  text-align: center;
}

.footer p {
  margin: 0;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  :root {
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
  }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }

  .header .container {
    height: 60px;
  }

  .nav {
    gap: var(--spacing-sm);
  }

  .hero {
    padding-top: calc(60px + var(--spacing-lg));
    min-height: 70vh;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }
}

@media (max-width: 480px) {
  .nav a {
    font-size: 0.875rem;
  }

  .btn {
    padding: 0.875rem 1.5rem;
  }
}

/* Print Styles */
@media print {
  .header {
    position: static;
    border-bottom: 2px solid #000;
  }

  .hero {
    background: none;
    color: #000;
    padding-top: var(--spacing-md);
    min-height: auto;
  }

  .hero h1,
  .hero-subtitle {
    color: #000;
  }

  .btn {
    border: 2px solid #000;
  }

  .service-card {
    box-shadow: none;
    border: 1px solid #ccc;
  }

  .footer {
    background: none;
    border-top: 1px solid #000;
  }

  .footer p {
    color: #000;
  }
}