/* Porbanderwala Cloud - Landing Page Styles */
/* Production-Grade CSS - Updated with Better Contrast & Visual Polish */

/* Theme Variables */
:root {
  --color-bg-primary: #0f172a;
  --color-bg-secondary: #1e293b;
  --color-text-primary: #f1f5f9;
  --color-text-secondary: #cbd5e1;
  --color-text-muted: #94a3b8;
  --color-accent: #a78bfa;
  --color-accent-hover: #c4b5fd;
  --color-success: #86efac;
  --color-error: #fca5a5;
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif !important;
  background-color: var(--color-bg-primary) !important;
  color: var(--color-text-primary) !important;
  line-height: 1.6 !important;
  overflow-x: hidden;
}

/* Typography - Improved Hierarchy */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', 'Inter', sans-serif !important;
  font-weight: 700 !important;
  line-height: 1.2 !important;
  letter-spacing: -0.02em !important;
  color: var(--color-text-primary) !important;
  margin: 0 !important;
}

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
}

p {
  margin: 0 !important;
  color: var(--color-text-secondary) !important;
}

/* Links */
a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-hover);
}

a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: 4px;
}

/* Selection */
::selection {
  background-color: var(--color-accent);
  color: var(--color-bg-primary);
}

::-moz-selection {
  background-color: var(--color-accent);
  color: var(--color-bg-primary);
}

/* Focus States */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: 4px;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(167, 139, 250, 0.2);
  }
  50% {
    box-shadow: 0 0 30px rgba(167, 139, 250, 0.4);
  }
}

@keyframes shake {
  0%, 100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-5px);
  }
  75% {
    transform: translateX(5px);
  }
}

@keyframes checkmark {
  0% {
    transform: scale(0) rotate(0deg);
    opacity: 0;
  }
  50% {
    transform: scale(1.1) rotate(180deg);
    opacity: 1;
  }
  100% {
    transform: scale(1) rotate(360deg);
    opacity: 1;
  }
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.animate-fade-in {
  animation: fadeIn 0.6s ease-out forwards;
  opacity: 0;
}

.animate-slide-up {
  animation: slideUp 0.6s ease-out forwards;
  opacity: 0;
}

.pulse-glow {
  animation: pulse-glow 3s ease-in-out infinite;
}

.shake {
  animation: shake 0.3s ease-in-out;
}

.success-checkmark {
  animation: checkmark 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Animation Delays */
.delay-200 { animation-delay: 200ms; }
.delay-400 { animation-delay: 400ms; }
.delay-600 { animation-delay: 600ms; }
.delay-800 { animation-delay: 800ms; }
.delay-1000 { animation-delay: 1000ms; }

/* Component Styles */
.feature-card {
  transition: all var(--transition-slow);
  background: rgba(30, 41, 59, 0.4);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.feature-card:hover {
  transform: translateY(-4px);
  background: rgba(30, 41, 59, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.tech-badge {
  transition: all var(--transition-base);
  background: rgba(30, 41, 59, 0.3);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.tech-badge:hover {
  transform: scale(1.05);
  background: rgba(30, 41, 59, 0.5);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.btn-primary {
  transition: all var(--transition-base);
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px -5px rgba(167, 139, 250, 0.4);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

.form-input {
  transition: all var(--transition-base);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.1);
}

.tech-detail-card {
  background: rgba(30, 41, 59, 0.4);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--transition-slow);
}

.tech-detail-card:hover {
  background: rgba(30, 41, 59, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transform: translateY(-2px);
}

/* Loading State */
.loading-spinner {
  display: inline-block;
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

/* Accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Skip to content link */
.skip-to-content {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--color-accent);
  color: white;
  padding: 0.5rem 1rem;
  text-decoration: none;
  z-index: 100;
  transition: top var(--transition-base);
}

.skip-to-content:focus {
  top: 0;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Responsive Typography */
@media (max-width: 768px) {
  html {
    font-size: 15px;
  }

  h1 {
    letter-spacing: -0.01em !important;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
}

/* Print Styles */
@media print {
  body {
    background: white;
    color: black;
  }

  a {
    color: black;
    text-decoration: underline;
  }

  .no-print {
    display: none;
  }

  .feature-card,
  .tech-detail-card {
    break-inside: avoid;
  }
}

/* Dark Mode Support (for future) */
@media (prefers-color-scheme: light) {
  /* Optional: Add light mode styles if needed */
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --color-text-secondary: #e2e8f0;
    --color-text-muted: #cbd5e1;
  }

  .feature-card,
  .tech-detail-card {
    border-width: 2px;
  }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
  .btn-primary:hover {
    transform: none;
  }

  .feature-card:hover {
    transform: none;
  }

  /* Increase touch targets */
  button,
  a {
    min-height: 44px;
    min-width: 44px;
  }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--color-text-muted);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent);
}

/* Firefox Scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--color-text-muted) var(--color-bg-primary);
}