/* Critical CSS for TETI - Above-the-fold content optimization */

/* Fonts are handled by next/font/google */

/* CSS Custom Properties - Theme variables */
:root {
  --radius: 0.625rem;
  --background: oklch(1 0 0);
  --foreground: oklch(0.145 0 0);
  --card: oklch(1 0 0);
  --card-foreground: oklch(0.145 0 0);
  --popover: oklch(1 0 0);
  --popover-foreground: oklch(0.145 0 0);
  --primary: oklch(0.205 0 0);
  --primary-foreground: oklch(0.985 0 0);
  --secondary: oklch(0.97 0 0);
  --secondary-foreground: oklch(0.205 0 0);
  --muted: oklch(0.97 0 0);
  --muted-foreground: oklch(0.556 0 0);
  --accent: oklch(0.97 0 0);
  --accent-foreground: oklch(0.205 0 0);
  --destructive: oklch(0.577 0.245 27.325);
  --border: oklch(0.922 0 0);
  --input: oklch(0.922 0 0);
  --ring: oklch(0.708 0 0);
  --chart-1: oklch(0.646 0.222 41.116);
  --chart-2: oklch(0.6 0.118 184.704);
  --chart-3: oklch(0.398 0.07 227.392);
  --chart-4: oklch(0.828 0.189 84.429);
  --chart-5: oklch(0.769 0.188 70.08);
  --sidebar: oklch(0.985 0 0);
  --sidebar-foreground: oklch(0.145 0 0);
  --sidebar-primary: oklch(0.205 0 0);
  --sidebar-primary-foreground: oklch(0.985 0 0);
  --sidebar-accent: oklch(0.97 0 0);
  --sidebar-accent-foreground: oklch(0.205 0 0);
  --sidebar-border: oklch(0.922 0 0);
  --sidebar-ring: oklch(0.708 0 0);
}

/* Dark mode variables */
.dark {
  --background: oklch(0.145 0 0);
  --foreground: oklch(0.985 0 0);
  --card: oklch(0.205 0 0);
  --card-foreground: oklch(0.985 0 0);
  --popover: oklch(0.205 0 0);
  --popover-foreground: oklch(0.985 0 0);
  --primary: oklch(0.922 0 0);
  --primary-foreground: oklch(0.205 0 0);
  --secondary: oklch(0.269 0 0);
  --secondary-foreground: oklch(0.985 0 0);
  --muted: oklch(0.269 0 0);
  --muted-foreground: oklch(0.708 0 0);
  --accent: oklch(0.269 0 0);
  --accent-foreground: oklch(0.985 0 0);
  --destructive: oklch(0.704 0.191 22.216);
  --border: oklch(1 0 0 / 10%);
  --input: oklch(1 0 0 / 15%);
  --ring: oklch(0.556 0 0);
  --chart-1: oklch(0.488 0.243 264.376);
  --chart-2: oklch(0.696 0.17 162.48);
  --chart-3: oklch(0.769 0.188 70.08);
  --chart-4: oklch(0.627 0.265 303.9);
  --chart-5: oklch(0.645 0.246 16.439);
  --sidebar: oklch(0.205 0 0);
  --sidebar-foreground: oklch(0.985 0 0);
  --sidebar-primary: oklch(0.488 0.243 264.376);
  --sidebar-primary-foreground: oklch(0.985 0 0);
  --sidebar-accent: oklch(0.269 0 0);
  --sidebar-accent-foreground: oklch(0.985 0 0);
  --sidebar-border: oklch(1 0 0 / 10%);
  --sidebar-ring: oklch(0.556 0 0);
}

/* Base styles - Critical for layout */
* {
  box-sizing: border-box;
}

html {
  font-family: "Poppins", sans-serif;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  font-family: "Poppins", sans-serif;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  color: var(--foreground);
  background-color: var(--background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  max-width: 100vw;
  position: relative;
  overscroll-behavior-x: none;
}

/* Hide scrollbars */
html::-webkit-scrollbar,
body::-webkit-scrollbar {
  display: none;
}

html {
  scrollbar-width: none;
  -ms-overflow-style: none;
}

/* Typography - Critical for content readability */
h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  font-weight: 700;
  line-height: 1.2;
  color: inherit;
}

h1 {
  font-size: 2.25rem;
}

h2 {
  font-size: 1.875rem;
}

h3 {
  font-size: 1.5rem;
}

p {
  margin: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

/* TETI Brand Colors */
.bg-teti-1 {
  background-color: #013860;
}

.text-teti-1 {
  color: #013860 !important;
}

.border-teti-1 {
  border-color: #013860 !important;
}

.bg-teti-2 {
  background-color: #ffca28;
}

.text-teti-2 {
  color: #ffca28 !important;
}

.border-teti-2 {
  border-color: #ffca28 !important;
}

.bg-teti-3 {
  background-color: #17a2b8;
}

.text-teti-3 {
  color: #17a2b8 !important;
}

.border-teti-3 {
  border-color: #17a2b8 !important;
}

/* Container and layout utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Flexbox utilities */
.flex {
  display: flex;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-center {
  justify-content: center;
}

/* Grid utilities */
.grid {
  display: grid;
}

.grid-cols-1 {
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

/* Spacing utilities */
.py-4 {
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.px-4 {
  padding-left: 1rem;
  padding-right: 1rem;
}

.mb-5 {
  margin-bottom: 1.25rem;
}

.mt-8 {
  margin-top: 2rem;
}

/* Text utilities */
.text-center {
  text-align: center;
}

.text-white {
  color: white;
}

.font-bold {
  font-weight: 700;
}

.font-semibold {
  font-weight: 600;
}

.text-3xl {
  font-size: 1.875rem;
  line-height: 2.25rem;
}

.text-4xl {
  font-size: 2.25rem;
  line-height: 2.5rem;
}

.text-5xl {
  font-size: 3rem;
  line-height: 1;
}

.text-6xl {
  font-size: 3.75rem;
  line-height: 1;
}

.text-7xl {
  font-size: 4.5rem;
  line-height: 1;
}

/* Background utilities */
.bg-white {
  background-color: white;
}

/* Shadow utilities */
.shadow-sm {
  box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
}

/* Border utilities */
.border-b {
  border-bottom-width: 1px;
}

.border-gray-200 {
  border-color: rgb(229 231 235);
}

/* Transition utilities */
.transition-colors {
  transition-property: color, background-color, border-color,
    text-decoration-color, fill, stroke;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 150ms;
}

/* Header styles - Critical for navigation */
header {
  width: 100%;
  background-color: white;
  box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  margin-bottom: 1.25rem;
  position: relative;
  z-index: 50;
}

/* Top info bar */
.w-full {
  width: 100%;
}

/* Button styles - Critical for CTAs */
button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

/* Link styles */
.hover\:text-blue-600:hover {
  color: rgb(37 99 235);
}

/* Responsive utilities */
@media (min-width: 640px) {
  .sm\:text-4xl {
    font-size: 2.25rem;
    line-height: 2.5rem;
  }

  .sm\:text-5xl {
    font-size: 3rem;
    line-height: 1;
  }

  .sm\:text-6xl {
    font-size: 3.75rem;
    line-height: 1;
  }

  .sm\:text-7xl {
    font-size: 4.5rem;
    line-height: 1;
  }
}

@media (min-width: 768px) {
  .md\:text-5xl {
    font-size: 3rem;
    line-height: 1;
  }

  .md\:text-6xl {
    font-size: 3.75rem;
    line-height: 1;
  }

  .md\:text-7xl {
    font-size: 4.5rem;
    line-height: 1;
  }
}

@media (min-width: 1024px) {
  .lg\:text-5xl {
    font-size: 3rem;
    line-height: 1;
  }

  .lg\:text-6xl {
    font-size: 3.75rem;
    line-height: 1;
  }

  .lg\:text-7xl {
    font-size: 4.5rem;
    line-height: 1;
  }

  .lg\:grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .lg\:min-h-\[80vh\] {
    min-height: 80vh;
  }

  .lg\:min-h-\[70vh\] {
    min-height: 70vh;
  }

  .lg\:px-15 {
    padding-left: 3.75rem;
    padding-right: 3.75rem;
  }

  .lg\:py-6 {
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
  }

  .lg\:py-15 {
    padding-top: 3.75rem;
    padding-bottom: 3.75rem;
  }

  .lg\:text-start {
    text-align: start;
  }

  .lg\:order-1 {
    order: 1;
  }

  .lg\:order-2 {
    order: 2;
  }

  .lg\:mt-20 {
    margin-top: 5rem;
  }
}

@media (min-width: 1280px) {
  .xl\:text-6xl {
    font-size: 3.75rem;
    line-height: 1;
  }

  .xl\:text-7xl {
    font-size: 4.5rem;
    line-height: 1;
  }
}

/* Hero section styles */
.min-h-\[70vh\] {
  min-height: 70vh;
}

.min-h-\[80vh\] {
  min-height: 80vh;
}

/* Image optimization */
img {
  max-width: 100%;
  height: auto;
}

/* Focus and 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: 0;
}

.focus\:not-sr-only:focus {
  position: static;
  width: auto;
  height: auto;
  padding: 0;
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
}

/* Animation utilities */
@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

.animate-shimmer {
  animation: shimmer 2s infinite;
}

/* Hover effects */
.hover\:scale-102:hover {
  transform: scale(1.02);
}

/* Lift animation for buttons */
.lift {
  box-shadow: 0 0.15rem 1.75rem 0 rgba(33, 40, 50, 0.15);
  transition: transform 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.lift:hover {
  transform: translateY(-0.3333333333rem);
  box-shadow: 0 0.5rem 2rem 0 rgba(33, 40, 50, 0.25);
}

/* Skip links for accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: #013860;
  color: white;
  padding: 8px;
  text-decoration: none;
  z-index: 1000;
  border-radius: 4px;
}

.skip-link:focus {
  top: 6px;
}

/* Performance optimizations */
.will-change-transform {
  will-change: transform;
}

.will-change-opacity {
  will-change: opacity;
}

/* Critical path optimization - Preload fonts */