/* ============================================
   OMNI SOLUTIONS - MAIN STYLESHEET
   All styles from Tailwind CSS converted to standard CSS
   ============================================ */

/* ============================================
   CSS CUSTOM PROPERTIES & THEME VARIABLES
   ============================================ */

:root {
  /* Light Mode Colors */
  --background: 230 25% 98%;
  --foreground: 232 45% 10%;
  
  --card: 0 0% 100%;
  --card-foreground: 232 45% 10%;
  
  --popover: 0 0% 100%;
  --popover-foreground: 232 45% 10%;
  
  --primary: 235 72% 50%;
  --primary-foreground: 0 0% 100%;
  
  --secondary: 232 18% 93%;
  --secondary-foreground: 232 45% 10%;
  
  --muted: 232 18% 95%;
  --muted-foreground: 232 12% 44%;
  
  --accent: 235 72% 96%;
  --accent-foreground: 235 72% 40%;
  
  --destructive: 0 84% 60%;
  --destructive-foreground: 0 0% 100%;
  
  --border: 232 20% 90%;
  --input: 232 20% 90%;
  --ring: 235 72% 50%;
  
  --radius: 0.625rem;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;
  
  /* Typography */
  --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 200ms ease-in-out;
  --transition-slow: 300ms ease-in-out;
}

/* Dark Mode */
body.dark {
  --background: 232 45% 8%;
  --foreground: 232 20% 95%;
  
  --card: 232 45% 11%;
  --card-foreground: 232 20% 95%;
  
  --popover: 232 45% 11%;
  --popover-foreground: 232 20% 95%;
  
  --primary: 235 80% 65%;
  --primary-foreground: 232 45% 8%;
  
  --secondary: 232 30% 16%;
  --secondary-foreground: 232 20% 95%;
  
  --muted: 232 30% 16%;
  --muted-foreground: 232 15% 60%;
  
  --accent: 232 30% 16%;
  --accent-foreground: 232 20% 95%;
  
  --destructive: 0 62% 30%;
  --destructive-foreground: 232 20% 95%;
  
  --border: 232 30% 18%;
  --input: 232 30% 18%;
  --ring: 235 80% 65%;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  border-color: hsl(var(--border));
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: hsl(var(--background));
  color: hsl(var(--foreground));
  font-size: 1rem;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

h1 {
  font-size: 2.5rem;
  letter-spacing: -0.04em;
  margin-bottom: var(--spacing-xl);
}

h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-lg);
}

h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
}

h4 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
}

h5 {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
}

h6 {
  font-size: 1rem;
  margin-bottom: var(--spacing-sm);
}

p {
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

a {
  color: hsl(var(--primary));
  text-decoration: none;
  cursor: pointer;
  transition: color var(--transition-fast);
}

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

ul, ol {
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

li {
  margin-bottom: var(--spacing-sm);
}

/* ============================================
   CONTAINERS & LAYOUT
   ============================================ */

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

@media (min-width: 640px) {
  .container {
    padding: 0 var(--spacing-lg);
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--spacing-xl);
  }
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

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

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

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

.gap-2 {
  gap: var(--spacing-sm);
}

.gap-3 {
  gap: calc(var(--spacing-sm) * 1.5);
}

.gap-4 {
  gap: var(--spacing-md);
}

.gap-6 {
  gap: var(--spacing-lg);
}

.grid {
  display: grid;
}

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

@media (min-width: 768px) {
  .md\:grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ============================================
   BUTTONS
   ============================================ */

button, 
a[role="button"],
.btn,
.button,
input[type="button"],
input[type="submit"],
input[type="reset"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.5rem;
  border-radius: var(--radius);
  border: 1px solid hsl(var(--border));
  background-color: hsl(var(--background));
  color: hsl(var(--foreground));
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  white-space: nowrap;
}

button:hover,
a[role="button"]:hover,
.btn:hover,
.button:hover,
input[type="button"]:hover,
input[type="submit"]:hover,
input[type="reset"]:hover {
  background-color: hsl(var(--secondary));
}

/* Primary Button */
.btn-primary,
button.primary,
.button.primary {
  background-color: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
  border-color: hsl(var(--primary));
}

.btn-primary:hover,
button.primary:hover,
.button.primary:hover {
  opacity: 0.9;
}

/* Secondary Button */
.btn-secondary,
button.secondary,
.button.secondary {
  background-color: hsl(var(--secondary));
  color: hsl(var(--secondary-foreground));
  border-color: hsl(var(--secondary));
}

/* ============================================
   CARDS
   ============================================ */

.card {
  background-color: hsl(var(--card));
  color: hsl(var(--card-foreground));
  border-radius: var(--radius);
  border: 1px solid hsl(var(--border));
  padding: var(--spacing-lg);
  transition: all var(--transition-normal);
}

.card:hover {
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.card-header {
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid hsl(var(--border));
}

.card-content {
  margin-bottom: var(--spacing-md);
}

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

.card-footer {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid hsl(var(--border));
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

header {
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
  border-bottom: 1px solid hsl(var(--border));
  background-color: hsl(var(--background), 95%);
  backdrop-filter: blur(10px);
}

.header-inner {
  display: flex;
  height: 4rem;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-md);
}

@media (min-width: 768px) {
  .header-inner {
    padding: 0 var(--spacing-lg);
  }
}

.site-branding {
  flex-shrink: 0;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

@media (max-width: 767px) {
  .header-actions .btn {
    display: none;
  }
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  text-decoration: none;
}

.logo img {
  height: 2.5rem;
  width: auto;
  transform: translateY(0.125rem);
}

.logo span {
  font-size: 1.25rem;
  font-weight: 700;
  font-family: var(--font-heading);
}

nav {
  display: none;
  gap: var(--spacing-lg);
  font-size: 0.875rem;
  font-weight: 500;
}

@media (min-width: 768px) {
  nav {
    display: flex !important;
    position: static !important;
    background-color: transparent !important;
    border: none !important;
    max-height: none !important;
    overflow: visible !important;
  }
}

nav a,
nav button {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: color var(--transition-fast);
}

nav a:hover,
nav button:hover {
  color: hsl(var(--primary));
}

.main-navigation ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  align-items: flex-start;
  width: 100%;
}

@media (min-width: 768px) {
  .main-navigation ul {
    flex-direction: row;
    gap: var(--spacing-lg);
    align-items: center;
  }
}

.main-navigation li {
  margin: 0;
  width: 100%;
}

@media (min-width: 768px) {
  .main-navigation li {
    width: auto;
  }
}

.main-navigation a {
  text-decoration: none;
  color: inherit;
  display: block;
  padding: 1rem;
}

@media (min-width: 768px) {
  .main-navigation a {
    padding: 0;
  }
}

/* Mobile Menu */
.menu-toggle {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  gap: 0.35rem;
  z-index: 101;
}

@media (min-width: 768px) {
  .menu-toggle {
    display: none;
  }
}

.hamburger {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.hamburger span {
  display: block;
  width: 1.5rem;
  height: 0.15rem;
  background-color: hsl(var(--foreground));
  border-radius: 0.1rem;
  transition: all 0.3s ease;
}

.menu-toggle[aria-expanded="true"] .hamburger span:nth-child(1) {
  transform: rotate(45deg) translate(0.4rem, 0.4rem);
}

.menu-toggle[aria-expanded="true"] .hamburger span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] .hamburger span:nth-child(3) {
  transform: rotate(-45deg) translate(0.4rem, -0.4rem);
}

/* Mobile Navigation */
.main-navigation {
  position: fixed;
  top: 4rem;
  left: 0;
  right: 0;
  background-color: hsl(var(--background));
  border-bottom: 1px solid hsl(var(--border));
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  z-index: 100;
  display: flex;
  flex-direction: column;
}

.main-navigation.active {
  max-height: calc(100vh - 4rem);
  overflow-y: auto;
}

.main-navigation ul {
  width: 100%;
}

.mobile-nav-footer {
  display: none;
  padding: 1rem;
  border-top: 1px solid hsl(var(--border));
  margin-top: auto;
  width: 100%;
}

.main-navigation.active .mobile-nav-footer {
  display: block;
}

.btn-mobile {
  width: 100%;
  text-align: center;
}

@media (min-width: 768px) {
  .main-navigation {
    position: static;
    background-color: transparent;
    border: none;
    max-height: none;
    overflow: visible;
    transition: none;
    flex-direction: row;
  }

  .main-navigation.active {
    max-height: none;
  }

  .main-navigation ul {
    width: auto;
  }

  .mobile-nav-footer {
    display: none !important;
  }
}

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

.hero {
  position: relative;
  padding: var(--spacing-4xl) var(--spacing-md);
  overflow: hidden;
}

@media (min-width: 768px) {
  .hero {
    padding: var(--spacing-4xl) var(--spacing-lg);
  }
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -10;
  background: radial-gradient(ellipse at top right, hsl(var(--primary), 0.15) 0%, hsl(var(--primary), 0.05) 50%, hsl(var(--background)) 100%);
}

.hero-content {
  display: grid;
  gap: var(--spacing-xl);
  align-items: center;
}

@media (min-width: 768px) {
  .hero-content {
    grid-template-columns: 1fr 1fr;
  }
}

/* ============================================
   SECTIONS
   ============================================ */
/* 
section {
  padding: var(--spacing-3xl) var(--spacing-md);
}

@media (min-width: 768px) {
  section {
    padding: var(--spacing-4xl) var(--spacing-lg);
  }
} */

.section-title {
  font-size: 2rem;
  margin-bottom: var(--spacing-xl);
  text-align: center;
}

.section-subtitle {
  font-size: 1.125rem;
  color: hsl(var(--muted-foreground));
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

/* ============================================
   FORMS
   ============================================ */

form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

label {
  font-weight: 500;
  font-size: 0.875rem;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="tel"],
textarea,
select {
  padding: 0.625rem var(--spacing-md);
  border: 1px solid hsl(var(--input));
  border-radius: var(--radius);
  background-color: hsl(var(--background));
  color: hsl(var(--foreground));
  font-family: var(--font-sans);
  font-size: 0.875rem;
  transition: border-color var(--transition-fast);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
input[type="tel"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: hsl(var(--ring));
  box-shadow: 0 0 0 3px hsl(var(--ring), 0.1);
}

textarea {
  resize: vertical;
  min-height: 100px;
}

/* ============================================
   FOOTER
   ============================================ */

footer {
  background-color: hsl(var(--card));
  color: hsl(var(--card-foreground));
  border-top: 1px solid hsl(var(--border));
  padding: var(--spacing-3xl) var(--spacing-md) var(--spacing-xl);
  margin-top: var(--spacing-4xl);
}

@media (min-width: 768px) {
  footer {
    padding: var(--spacing-4xl) var(--spacing-lg) var(--spacing-xl);
  }
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

@media (min-width: 768px) {
  .footer-content {
    grid-template-columns: repeat(3, 1fr);
  }
}

.footer-section h4 {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-md);
  color: hsl(var(--primary));
}

.footer-section ul {
  list-style: none;
  margin: 0;
}

.footer-section ul li {
  margin-bottom: var(--spacing-sm);
}

.footer-section ul li a {
  color: hsl(var(--muted-foreground));
  transition: color var(--transition-fast);
}

.footer-section ul li a:hover {
  color: hsl(var(--foreground));
}

.footer-bottom {
  border-top: 1px solid hsl(var(--border));
  padding-top: var(--spacing-lg);
  text-align: center;
  color: hsl(var(--muted-foreground));
  font-size: 0.875rem;
}

/* ============================================
   UTILITIES
   ============================================ */

.min-h-screen {
  min-height: 100vh;
}

.h-auto {
  height: auto;
}

.w-full {
  width: 100%;
}

.max-w-lg {
  max-width: 32rem;
}

.max-w-2xl {
  max-width: 42rem;
}

.max-w-4xl {
  max-width: 56rem;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

.mt-2 { margin-top: var(--spacing-sm); }
.mt-4 { margin-top: var(--spacing-md); }
.mt-6 { margin-top: var(--spacing-lg); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-4 { margin-bottom: var(--spacing-md); }
.mb-6 { margin-bottom: var(--spacing-lg); }

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

.text-sm {
  font-size: 0.875rem;
}

.text-lg {
  font-size: 1.125rem;
}

.text-xl {
  font-size: 1.5rem;
}

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

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

.text-muted {
  color: hsl(var(--muted-foreground));
}

.text-primary {
  color: hsl(var(--primary));
}

.bg-primary {
  background-color: hsl(var(--primary));
}

.bg-card {
  background-color: hsl(var(--card));
}

.rounded {
  border-radius: var(--radius);
}

.overflow-hidden {
  overflow: hidden;
}

.opacity-50 {
  opacity: 0.5;
}

.opacity-75 {
  opacity: 0.75;
}

.transition {
  transition: all var(--transition-normal);
}

/* ============================================
   BLOG STYLES
   ============================================ */

.blog-container {
  max-width: 1024px;
  margin: 0 auto;
  padding-block: 48px;
  padding-inline: 16px;
}

.blog-header {
  background: linear-gradient(135deg, hsl(var(--primary)) 0%, hsl(var(--accent-foreground)) 100%);
  color: hsl(var(--primary-foreground));
  padding: var(--spacing-3xl) var(--spacing-md);
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.blog-post {
  display: grid;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-3xl);
}

.blog-post-item {
  padding: var(--spacing-lg);
  border-radius: var(--radius);
  transition: transform var(--transition-normal);
}

.blog-post-item:hover {
  transform: translateY(-4px);
}

.blog-post-meta {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
  color: hsl(var(--muted-foreground));
  font-size: 0.875rem;
  margin-bottom: var(--spacing-md);
}

.blog-post-content {
  line-height: 1.8;
}

.blog-post-content p {
  margin-bottom: var(--spacing-md);
}

.blog-post-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  margin: var(--spacing-xl) 0;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
  h1 {
    font-size: 1.875rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  .text-center-mobile {
    text-align: center;
  }
}

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

@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slide-up {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fade-in var(--transition-normal);
}

.slide-up {
  animation: slide-up var(--transition-normal);
}

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

@media print {
  header,
  footer,
  .no-print {
    display: none;
  }
  
  body {
    background-color: white;
    color: black;
  }
}