/*
Theme Name: Veliorx
Theme URI: https://veliorx.com
Author: Veliorx Team
Author URI: https://veliorx.com
Description: A modern, AI-focused business theme for Veliorx - Transform Your Business with AI Systems
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.4
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: veliorx
Tags: business, ai, automation, modern, responsive, custom-menu, featured-images, threaded-comments

Veliorx WordPress Theme, Copyright 2025
Veliorx is distributed under the terms of the GNU GPL
*/

/* ==========================================================================
   CSS VARIABLES & DESIGN SYSTEM
   ========================================================================== */
:root {
  /* Brand Colors */
  --primary: #0D9488;
  --secondary: #7C3AED;
  --dark-bg: #0F172A;
  --light-bg: #1E293B;
  --text-primary: #F1F5F9;
  --text-secondary: #94A3B8;
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  --border: #334155;
  
  /* Gradient Colors */
  --gradient-primary: linear-gradient(135deg, #0D9488 0%, #06B6D4 100%);
  --gradient-secondary: linear-gradient(135deg, #7C3AED 0%, #A855F7 100%);
  --gradient-text: linear-gradient(135deg, #F1F5F9 0%, #0D9488 100%);
  
  /* Spacing */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 32px;
  --space-xl: 48px;
  --space-2xl: 64px;
  --space-3xl: 96px;
  --space-4xl: 128px;
  
  /* Typography */
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.5rem;
  --text-5xl: 3.5rem;
  
  /* Timing */
  --transition-fast: 150ms;
  --transition-normal: 300ms;
  --transition-slow: 500ms;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 30px rgba(13, 148, 136, 0.3);
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--text-secondary);
  background-color: var(--dark-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  line-height: 1.2;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
  margin-bottom: var(--space-md);
}

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

a:hover {
  color: #06B6D4;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

/* ==========================================================================
   UTILITY CLASSES
   ========================================================================== */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-4xl) 0;
}

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--text-base);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal) var(--ease);
  cursor: pointer;
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
}

.btn-primary:hover {
  transform: scale(1.05);
  filter: brightness(1.1);
  box-shadow: var(--shadow-glow);
}

.btn-outline {
  border: 2px solid var(--primary);
  color: var(--primary);
  background: transparent;
}

.btn-outline:hover {
  background: var(--primary);
  color: white;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  background: rgba(124, 58, 237, 0.2);
  border: 1px solid rgba(124, 58, 237, 0.3);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  color: var(--secondary);
  font-weight: 500;
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  z-index: 1000;
  transition: all var(--transition-normal) var(--ease);
}

.site-header.scrolled {
  height: 64px;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-lg);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.site-logo a {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0;
  animation: fadeInLeft 0.3s ease forwards;
}

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

.main-navigation ul {
  display: flex;
  gap: var(--space-lg);
  align-items: center;
}

.main-navigation li {
  position: relative;
  opacity: 0;
  animation: fadeIn 0.3s ease forwards;
}

.main-navigation li:nth-child(1) { animation-delay: 0.1s; }
.main-navigation li:nth-child(2) { animation-delay: 0.2s; }
.main-navigation li:nth-child(3) { animation-delay: 0.3s; }
.main-navigation li:nth-child(4) { animation-delay: 0.4s; }
.main-navigation li:nth-child(5) { animation-delay: 0.5s; }
.main-navigation li:nth-child(6) { animation-delay: 0.6s; }

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

.main-navigation a {
  color: var(--text-primary);
  font-weight: 500;
  position: relative;
  padding-bottom: 4px;
}

.main-navigation a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: all 0.2s var(--ease);
  transform: translateX(-50%);
}

.main-navigation a:hover::after {
  width: 100%;
}

/* Dropdown Menu */
.main-navigation .menu-item-has-children {
  position: relative;
}

.main-navigation .sub-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: rgba(30, 41, 59, 0.98);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-sm);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-normal) var(--ease);
  flex-direction: column;
  gap: 0;
}

.main-navigation .menu-item-has-children:hover .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.main-navigation .sub-menu li {
  width: 100%;
  animation: none;
  opacity: 1;
}

.main-navigation .sub-menu a {
  display: block;
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
}

.main-navigation .sub-menu a:hover {
  background: rgba(13, 148, 136, 0.1);
  color: var(--primary);
}

/* Header CTA */
.header-cta {
  opacity: 0;
  animation: fadeIn 0.3s ease 0.7s forwards;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: var(--space-xs);
  cursor: pointer;
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition-normal) var(--ease);
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translateY(8px);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translateY(-8px);
}

/* ==========================================================================
   RESPONSIVE TYPOGRAPHY
   ========================================================================== */
@media (max-width: 768px) {
  :root {
    --text-5xl: 2.5rem;
    --text-4xl: 2rem;
    --text-3xl: 1.5rem;
  }
  
  .section {
    padding: var(--space-2xl) 0;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .main-navigation {
    position: fixed;
    top: 80px;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: calc(100vh - 80px);
    background: rgba(30, 41, 59, 0.98);
    backdrop-filter: blur(10px);
    padding: var(--space-lg);
    transition: right var(--transition-normal) var(--ease);
  }
  
  .main-navigation.active {
    right: 0;
  }
  
  .main-navigation ul {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }
  
  .main-navigation .sub-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    margin-top: var(--space-sm);
    margin-left: var(--space-md);
  }
}

/* ==========================================================================
   ACCESSIBILITY
   ========================================================================== */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary);
  color: white;
  padding: var(--space-sm);
  text-decoration: none;
  z-index: 100;
}

.skip-link:focus {
  top: 0;
}

.screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */
@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s var(--ease);
}

.animate-on-scroll.in-view {
  opacity: 1;
  transform: translateY(0);
}