/* ===================================
   INFRASTRUCTURE PAGE - Responsive Design
   Professional Layout for All Devices
   =================================== */

:root {
  --primary: #1a73e8;
  --secondary: #34a853;
  --accent: #fbbc04;
  --dark: #202124;
  --light: #f8f9fa;
  --text-dark: #202124;
  --text-light: #5f6368;
  --border: #dadce0;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text-dark);
  background: var(--light);
  line-height: 1.6;
}

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

/* ===================================
   HERO SECTION
   =================================== */

.infra-hero {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  padding: 80px 20px;
  text-align: center;
  margin-bottom: 60px;
  animation: fadeInDown 0.6s ease;
}

.hero-content h1 {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 700;
  margin-bottom: 15px;
  letter-spacing: -0.5px;
}

.hero-content p {
  font-size: clamp(16px, 2vw, 20px);
  opacity: 0.95;
  max-width: 600px;
  margin: 0 auto;
}

/* ===================================
   INFRASTRUCTURE GRID
   =================================== */

.infra-section {
  padding: 60px 0;
}

.infra-section .wrap {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
}

.infra-card {
  background: white;
  border-radius: 12px;
  padding: 30px 25px;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  text-align: center;
  animation: fadeInUp 0.6s ease;
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.infra-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.infra-card:hover h3 {
  color: var(--primary);
}

.infra-icon {
  font-size: 48px;
  margin-bottom: 15px;
  display: inline-block;
  animation: bounce 0.6s ease;
}

.infra-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.infra-card p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
  margin: 0;
}

/* ===================================
   FEATURES SECTION
   =================================== */

.infra-features {
  background: linear-gradient(135deg, var(--dark), #3c4043);
  color: white;
  padding: 60px 20px;
  margin-top: 60px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  text-align: center;
}

.feature-item {
  animation: fadeInUp 0.8s ease;
}

.feature-number {
  font-size: clamp(36px, 8vw, 48px);
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 10px;
  display: block;
}

.feature-text {
  font-size: 16px;
  opacity: 0.9;
  font-weight: 500;
}

/* ===================================
   ANIMATIONS
   =================================== */

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
}

/* ===================================
   TABLET (768px)
   =================================== */

@media (max-width: 768px) {
  .infra-hero {
    padding: 60px 20px;
    margin-bottom: 40px;
  }

  .hero-content h1 {
    font-size: 36px;
    margin-bottom: 12px;
  }

  .hero-content p {
    font-size: 16px;
  }

  .infra-section .wrap {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
  }

  .infra-card {
    padding: 25px 20px;
  }

  .infra-icon {
    font-size: 40px;
  }

  .infra-card h3 {
    font-size: 18px;
  }

  .infra-card p {
    font-size: 13px;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }

  .feature-number {
    font-size: 36px;
  }

  .feature-text {
    font-size: 14px;
  }
}

/* ===================================
   MOBILE (480px)
   =================================== */

@media (max-width: 480px) {
  .infra-hero {
    padding: 40px 15px;
    margin-bottom: 30px;
  }

  .hero-content h1 {
    font-size: 28px;
    margin-bottom: 10px;
  }

  .hero-content p {
    font-size: 14px;
  }

  .infra-section {
    padding: 40px 0;
  }

  .infra-section .wrap {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .infra-card {
    padding: 20px 15px;
    border-radius: 8px;
  }

  .infra-icon {
    font-size: 36px;
    margin-bottom: 12px;
  }

  .infra-card h3 {
    font-size: 16px;
    margin-bottom: 10px;
  }

  .infra-card p {
    font-size: 12px;
    line-height: 1.5;
  }

  .infra-features {
    padding: 40px 15px;
    margin-top: 40px;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .feature-number {
    font-size: 32px;
  }

  .feature-text {
    font-size: 13px;
  }

  .wrap {
    padding: 0 15px;
  }
}

/* ===================================
   SMALL MOBILE (360px)
   =================================== */

@media (max-width: 360px) {
  .hero-content h1 {
    font-size: 24px;
  }

  .hero-content p {
    font-size: 13px;
  }

  .infra-icon {
    font-size: 32px;
  }

  .infra-card h3 {
    font-size: 15px;
  }

  .feature-number {
    font-size: 28px;
  }
}

/* ===================================
   DARK MODE SUPPORT
   =================================== */

@media (prefers-color-scheme: dark) {
  body {
    background: #121212;
  }

  .infra-card {
    background: #1e1e1e;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  }

  .infra-card h3 {
    color: #e8eaed;
  }

  .infra-card p {
    color: #9aa0a6;
  }
}

/* ===================================
   PRINT STYLES
   =================================== */

@media print {
  .infra-hero {
    page-break-after: always;
  }

  .infra-card {
    page-break-inside: avoid;
    box-shadow: none;
    border: 1px solid var(--border);
  }
}