/**
 * Connect5 - Consolidated Main Stylesheet
 * This file combines all CSS for better performance
 * 
 * Table of Contents:
 * 1. CSS Variables & Base
 * 2. Typography
 * 3. Layout & Grid
 * 4. Components
 * 5. Utilities
 * 6. Accessibility
 * 7. Lazy Loading
 * 8. Animations
 */

/* ==========================================================================
   1. CSS Variables & Base
   ========================================================================== */

:root {
    /* Colors - Enterprise Professional Palette */
    --color-primary: #2563eb;
    --color-primary-dark: #1e40af;
    --color-primary-light: #60a5fa;
    --color-secondary: #059669;
    --color-neutral-900: #111827;
    --color-neutral-800: #1f2937;
    --color-neutral-700: #374151;
    --color-neutral-600: #4b5563;
    --color-neutral-500: #6b7280;
    --color-neutral-400: #9ca3af;
    --color-neutral-300: #d1d5db;
    --color-neutral-200: #e5e7eb;
    --color-neutral-100: #f3f4f6;
    --color-neutral-50: #f9fafb;
    --color-white: #ffffff;
    --color-error: #dc2626;
    --color-success: #059669;
    --color-warning: #d97706;
    --color-info: #0891b2;
    
    /* Typography - Complete System */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-secondary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'SF Mono', Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;
    
    /* Font Sizes - Modular Scale (1.25 ratio) */
    --font-size-2xs: 0.64rem;   /* 10.24px */
    --font-size-xs: 0.8rem;     /* 12.8px */
    --font-size-sm: 0.875rem;   /* 14px */
    --font-size-base: 1rem;     /* 16px */
    --font-size-md: 1.125rem;   /* 18px */
    --font-size-lg: 1.25rem;    /* 20px */
    --font-size-xl: 1.5rem;     /* 24px */
    --font-size-2xl: 1.875rem;  /* 30px */
    --font-size-3xl: 2.25rem;   /* 36px */
    --font-size-4xl: 3rem;      /* 48px */
    --font-size-5xl: 3.75rem;   /* 60px */
    --font-size-6xl: 4.5rem;    /* 72px */
    
    /* Line Heights */
    --line-height-tight: 1.25;
    --line-height-snug: 1.375;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;
    --line-height-loose: 1.75;
    --line-height-base: 1.6;
    
    /* Font Weights */
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    /* Letter Spacing */
    --letter-spacing-tighter: -0.05em;
    --letter-spacing-tight: -0.025em;
    --letter-spacing-normal: 0;
    --letter-spacing-wide: 0.025em;
    --letter-spacing-wider: 0.05em;
    --letter-spacing-widest: 0.1em;
    
    /* Text Spacing */
    --text-spacing-xs: 0.5rem;
    --text-spacing-sm: 0.75rem;
    --text-spacing-base: 1rem;
    --text-spacing-md: 1.5rem;
    --text-spacing-lg: 2rem;
    --text-spacing-xl: 2.5rem;
    
    /* Spacing - 8pt Grid System */
    --space-0: 0;
    --space-1: 0.25rem;  /* 4px */
    --space-2: 0.5rem;   /* 8px */
    --space-3: 0.75rem;  /* 12px */
    --space-4: 1rem;     /* 16px */
    --space-5: 1.25rem;  /* 20px */
    --space-6: 1.5rem;   /* 24px */
    --space-7: 1.75rem;  /* 28px */
    --space-8: 2rem;     /* 32px */
    --space-9: 2.25rem;  /* 36px */
    --space-10: 2.5rem;  /* 40px */
    --space-11: 2.75rem; /* 44px */
    --space-12: 3rem;    /* 48px */
    --space-14: 3.5rem;  /* 56px */
    --space-16: 4rem;    /* 64px */
    --space-20: 5rem;    /* 80px */
    --space-24: 6rem;    /* 96px */
    --space-28: 7rem;    /* 112px */
    --space-32: 8rem;    /* 128px */
    
    /* Container Widths */
    --container-xs: 20rem;    /* 320px */
    --container-sm: 24rem;    /* 384px */
    --container-md: 28rem;    /* 448px */
    --container-lg: 32rem;    /* 512px */
    --container-xl: 36rem;    /* 576px */
    --container-2xl: 42rem;   /* 672px */
    --container-3xl: 48rem;   /* 768px */
    --container-4xl: 56rem;   /* 896px */
    --container-5xl: 64rem;   /* 1024px */
    --container-6xl: 72rem;   /* 1152px */
    --container-7xl: 80rem;   /* 1280px */
    --container-full: 100%;   /* Full width */
    
    /* Breakpoints */
    --breakpoint-sm: 640px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1280px;
    --breakpoint-2xl: 1536px;
    
    /* Borders */
    --border-width: 1px;
    --border-width-2: 2px;
    --border-width-4: 4px;
    --border-width-8: 8px;
    --radius-sm: 0.25rem;
    --radius-base: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows - Refined for Professional Look */
    --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-base: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    --shadow-2xl: 0 35px 60px -15px rgb(0 0 0 / 0.3);
    --shadow-inner: inset 0 2px 4px 0 rgb(0 0 0 / 0.05);
    
    /* Z-index - Layering System */
    --z-negative: -1;
    --z-base: 0;
    --z-10: 10;
    --z-20: 20;
    --z-30: 30;
    --z-40: 40;
    --z-50: 50;
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    
    /* Transitions */
    --transition-fast: 150ms;
    --transition-base: 200ms;
    --transition-slow: 300ms;
    --transition-slower: 500ms;
    
    /* Animations */
    --animation-spin: spin 1s linear infinite;
    --animation-pulse: pulse 2s ease-in-out infinite;
    --animation-bounce: bounce 1s infinite;
}

/* ==========================================================================
   2. Typography - Enterprise Design System
   ========================================================================== */

/* Base Typography */
body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    font-weight: var(--font-weight-normal);
    letter-spacing: var(--letter-spacing-normal);
    color: var(--color-neutral-700);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* Global anchor styles: black by default, blue on highlight, no underline on hover */
a, a:link, a:visited {
    color: var(--color-neutral-900);
    text-decoration: none;
    transition: color var(--transition-base) ease, text-decoration var(--transition-base) ease;
}
a:hover, a:focus {
    color: var(--color-primary);
    text-decoration: none;
}
a:active {
    color: var(--color-primary-dark);
}

/* Headings - Professional Hierarchy */
h1, .h1 { 
    font-family: var(--font-primary);
    font-size: var(--font-size-5xl); 
    line-height: var(--line-height-tight); 
    font-weight: var(--font-weight-bold);
    letter-spacing: var(--letter-spacing-tight);
    margin-top: 0;
    margin-bottom: var(--text-spacing-lg);
    color: var(--color-neutral-900);
}

h2, .h2 { 
    font-family: var(--font-primary);
    font-size: var(--font-size-4xl); 
    line-height: var(--line-height-tight); 
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--letter-spacing-tight);
    margin-top: 0;
    margin-bottom: var(--text-spacing-md);
    color: var(--color-neutral-900);
}

h3, .h3 { 
    font-family: var(--font-primary);
    font-size: var(--font-size-3xl); 
    line-height: var(--line-height-snug); 
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--letter-spacing-normal);
    margin-top: 0;
    margin-bottom: var(--text-spacing-base);
    color: var(--color-neutral-800);
}

h4, .h4 { 
    font-family: var(--font-primary);
    font-size: var(--font-size-2xl); 
    line-height: var(--line-height-snug); 
    font-weight: var(--font-weight-medium);
    letter-spacing: var(--letter-spacing-normal);
    margin-top: 0;
    margin-bottom: var(--text-spacing-base);
    color: var(--color-neutral-800);
}

h5, .h5 { 
    font-family: var(--font-primary);
    font-size: var(--font-size-xl); 
    line-height: var(--line-height-normal); 
    font-weight: var(--font-weight-medium);
    letter-spacing: var(--letter-spacing-normal);
    margin-top: 0;
    margin-bottom: var(--text-spacing-sm);
    color: var(--color-neutral-800);
}

h6, .h6 { 
    font-family: var(--font-primary);
    font-size: var(--font-size-lg); 
    line-height: var(--line-height-normal); 
    font-weight: var(--font-weight-medium);
    letter-spacing: var(--letter-spacing-wide);
    margin-top: 0;
    margin-bottom: var(--text-spacing-sm);
    color: var(--color-neutral-700);
    text-transform: uppercase;
}

/* Paragraph Styles */
p {
    margin-top: 0;
    margin-bottom: var(--text-spacing-base);
    line-height: var(--line-height-relaxed);
}

/* Lead Text */
.lead {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-loose);
    color: var(--color-neutral-600);
    font-weight: var(--font-weight-normal);
}

/* Small Text */
small, .small {
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
}

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

a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

/* Lists */
ul, ol {
    margin-top: 0;
    margin-bottom: var(--text-spacing-base);
    padding-left: var(--space-6);
}

li {
    margin-bottom: var(--space-2);
}

/* Blockquote */
blockquote {
    margin: var(--space-8) 0;
    padding-left: var(--space-6);
    border-left: 4px solid var(--color-primary);
    font-size: var(--font-size-lg);
    font-style: italic;
    color: var(--color-neutral-600);
}

/* Code */
code {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    background-color: var(--color-neutral-100);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
}

pre {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    background-color: var(--color-neutral-100);
    padding: var(--space-4);
    border-radius: var(--radius-base);
    overflow-x: auto;
    margin-bottom: var(--text-spacing-base);
}

/* Strong and Emphasis */
strong, b {
    font-weight: var(--font-weight-semibold);
}

em, i {
    font-style: italic;
}

/* Horizontal Rule */
hr {
    border: 0;
    height: 1px;
    background-color: var(--color-neutral-200);
    margin: var(--space-8) 0;
}

/* ==========================================================================
   3. Layout & Grid - Modern Enterprise System
   ========================================================================== */

/* Container System */
.container {
    width: 100%;
    margin-inline: auto;
    padding-inline: var(--space-6);
    max-width: var(--container-7xl);
}

.container-fluid {
    width: 100%;
    padding-inline: var(--space-6);
}

.container-sm {
    max-width: var(--container-3xl);
}

.container-md {
    max-width: var(--container-5xl);
}

.container-lg {
    max-width: var(--container-6xl);
}

.container-xl {
    max-width: var(--container-7xl);
}

/* Modern Grid System - Based on CSS Grid */
.grid {
    display: grid;
    gap: var(--space-6);
    grid-template-columns: repeat(12, 1fr);
}

/* Grid Gap Utilities */
.grid-gap-0 { gap: 0; }
.grid-gap-1 { gap: var(--space-1); }
.grid-gap-2 { gap: var(--space-2); }
.grid-gap-3 { gap: var(--space-3); }
.grid-gap-4 { gap: var(--space-4); }
.grid-gap-6 { gap: var(--space-6); }
.grid-gap-8 { gap: var(--space-8); }

/* Grid Column Spans */
.col-span-1 { grid-column: span 1 / span 1; }
.col-span-2 { grid-column: span 2 / span 2; }
.col-span-3 { grid-column: span 3 / span 3; }
.col-span-4 { grid-column: span 4 / span 4; }
.col-span-5 { grid-column: span 5 / span 5; }
.col-span-6 { grid-column: span 6 / span 6; }
.col-span-7 { grid-column: span 7 / span 7; }
.col-span-8 { grid-column: span 8 / span 8; }
.col-span-9 { grid-column: span 9 / span 9; }
.col-span-10 { grid-column: span 10 / span 10; }
.col-span-11 { grid-column: span 11 / span 11; }
.col-span-12 { grid-column: span 12 / span 12; }
.col-span-full { grid-column: 1 / -1; }

/* Legacy Flexbox Grid (for compatibility) */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: calc(-1 * var(--space-4));
}

[class*="col-"] {
    padding: var(--space-4);
    width: 100%;
    flex-shrink: 0;
}

/* Section Spacing */
.section {
    padding-block: var(--space-16);
}

.section-sm {
    padding-block: var(--space-8);
}

.section-lg {
    padding-block: var(--space-24);
}

.section-xl {
    padding-block: var(--space-32);
}

/* Responsive Grid */
@media (min-width: 640px) {
    .sm\:grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
    .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .sm\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .sm\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    
    .sm\:col-span-1 { grid-column: span 1 / span 1; }
    .sm\:col-span-2 { grid-column: span 2 / span 2; }
    .sm\:col-span-3 { grid-column: span 3 / span 3; }
    .sm\:col-span-4 { grid-column: span 4 / span 4; }
    .sm\:col-span-6 { grid-column: span 6 / span 6; }
    .sm\:col-span-8 { grid-column: span 8 / span 8; }
    .sm\:col-span-12 { grid-column: span 12 / span 12; }
}

@media (min-width: 768px) {
    .md\:grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
    .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .md\:grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
    
    .md\:col-span-1 { grid-column: span 1 / span 1; }
    .md\:col-span-2 { grid-column: span 2 / span 2; }
    .md\:col-span-3 { grid-column: span 3 / span 3; }
    .md\:col-span-4 { grid-column: span 4 / span 4; }
    .md\:col-span-6 { grid-column: span 6 / span 6; }
    .md\:col-span-8 { grid-column: span 8 / span 8; }
    .md\:col-span-9 { grid-column: span 9 / span 9; }
    .md\:col-span-12 { grid-column: span 12 / span 12; }
    
    /* Legacy Flexbox Grid */
    .col-md-1 { width: 8.333333%; }
    .col-md-2 { width: 16.666667%; }
    .col-md-3 { width: 25%; }
    .col-md-4 { width: 33.333333%; }
    .col-md-5 { width: 41.666667%; }
    .col-md-6 { width: 50%; }
    .col-md-7 { width: 58.333333%; }
    .col-md-8 { width: 66.666667%; }
    .col-md-9 { width: 75%; }
    .col-md-10 { width: 83.333333%; }
    .col-md-11 { width: 91.666667%; }
    .col-md-12 { width: 100%; }
}

@media (min-width: 1024px) {
    .lg\:grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
    .lg\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .lg\:grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
    .lg\:grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
    
    .lg\:col-span-1 { grid-column: span 1 / span 1; }
    .lg\:col-span-2 { grid-column: span 2 / span 2; }
    .lg\:col-span-3 { grid-column: span 3 / span 3; }
    .lg\:col-span-4 { grid-column: span 4 / span 4; }
    .lg\:col-span-6 { grid-column: span 6 / span 6; }
    .lg\:col-span-8 { grid-column: span 8 / span 8; }
    .lg\:col-span-9 { grid-column: span 9 / span 9; }
    .lg\:col-span-12 { grid-column: span 12 / span 12; }
}

@media (min-width: 1280px) {
    .xl\:grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
    .xl\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .xl\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .xl\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .xl\:grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
    .xl\:grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
    
    .xl\:col-span-1 { grid-column: span 1 / span 1; }
    .xl\:col-span-2 { grid-column: span 2 / span 2; }
    .xl\:col-span-3 { grid-column: span 3 / span 3; }
    .xl\:col-span-4 { grid-column: span 4 / span 4; }
    .xl\:col-span-6 { grid-column: span 6 / span 6; }
    
    /* Legacy Flexbox Grid */
    .col-xl-1 { width: 8.333333%; }
    .col-xl-2 { width: 16.666667%; }
    .col-xl-3 { width: 25%; }
    .col-xl-4 { width: 33.333333%; }
    .col-xl-5 { width: 41.666667%; }
    .col-xl-6 { width: 50%; }
    .col-xl-7 { width: 58.333333%; }
    .col-xl-8 { width: 66.666667%; }
    .col-xl-9 { width: 75%; }
    .col-xl-10 { width: 83.333333%; }
    .col-xl-11 { width: 91.666667%; }
    .col-xl-12 { width: 100%; }
}

/* ==========================================================================
   4. Components - Enterprise UI Library
   ========================================================================== */

/* Buttons - Modern Professional Style */
.tf-btn,
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    min-height: 2.75rem;
    font-family: inherit;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    line-height: var(--line-height-normal);
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    border: 2px solid transparent;
    border-radius: var(--radius-base);
    cursor: pointer;
    user-select: none;
    transition: all var(--transition-base) ease;
    position: relative;
    overflow: hidden;
}

.tf-btn:focus-visible,
.btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Primary Button */
.btn-fill,
.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.btn-fill:hover,
.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-fill:active,
.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

/* Outline Button */
.btn-outline,
.btn-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

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

/* Ghost Button */
.btn-ghost {
    background-color: transparent;
    color: var(--color-neutral-700);
    border-color: transparent;
}

.btn-ghost:hover {
    background-color: var(--color-neutral-100);
    color: var(--color-neutral-900);
}

/* Button Sizes */
.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-sm);
    min-height: 2.25rem;
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-lg);
    min-height: 3.5rem;
}

/* Button States */
.btn:disabled,
.tf-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Cards - Clean Enterprise Design */
.card {
    background-color: var(--color-white);
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base) ease;
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-header {
    padding: var(--space-6);
    border-bottom: 1px solid var(--color-neutral-200);
}

.card-body {
    padding: var(--space-6);
}

.card-footer {
    padding: var(--space-4) var(--space-6);
    background-color: var(--color-neutral-50);
    border-top: 1px solid var(--color-neutral-200);
}

/* Collection Items */
.collection-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base) ease;
}

.collection-item:hover {
    box-shadow: var(--shadow-lg);
}

.collection-image {
    display: block;
    width: 100%;
    height: 100%;
    overflow: hidden;
    aspect-ratio: 16 / 9;
}

.collection-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow) ease;
}

.collection-item:hover .collection-image img {
    transform: scale(1.05);
}

.collection-content {
    padding: var(--space-6);
}

.collection-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-neutral-900);
    margin-bottom: var(--space-2);
}

.collection-description {
    font-size: var(--font-size-base);
    color: var(--color-neutral-600);
    line-height: var(--line-height-relaxed);
}

/* Forms - Professional Input Design */
.form-group {
    margin-bottom: var(--space-6);
}

.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-neutral-700);
}

.form-control,
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="password"],
input[type="date"],
input[type="time"],
input[type="url"],
textarea,
select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: inherit;
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-neutral-900);
    background-color: var(--color-white);
    border: 1px solid var(--color-neutral-300);
    border-radius: var(--radius-base);
    transition: all var(--transition-fast) ease;
    appearance: none;
}

.form-control:focus,
input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    background-color: var(--color-white);
}

.form-control:hover:not(:focus),
input:hover:not(:focus),
textarea:hover:not(:focus),
select:hover:not(:focus) {
    border-color: var(--color-neutral-400);
}

/* Textarea specific */
textarea {
    min-height: 120px;
    resize: vertical;
}

/* Select specific */
select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right var(--space-3) center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: var(--space-10);
}

/* Form Help Text */
.form-text {
    display: block;
    margin-top: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-neutral-600);
}

/* Checkbox & Radio */
.form-check {
    display: flex;
    align-items: center;
    margin-bottom: var(--space-3);
}

.form-check-input {
    width: 1.25rem;
    height: 1.25rem;
    margin-right: var(--space-2);
    border: 1px solid var(--color-neutral-300);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast) ease;
}

.form-check-input:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.form-check-label {
    font-size: var(--font-size-base);
    color: var(--color-neutral-700);
    cursor: pointer;
    user-select: none;
}

/* Form Validation States */
.is-invalid,
input.error,
textarea.error,
select.error {
    border-color: var(--color-error);
}

.is-invalid:focus,
input.error:focus,
textarea.error:focus,
select.error:focus {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.is-valid,
input.success,
textarea.success,
select.success {
    border-color: var(--color-success);
}

.is-valid:focus,
input.success:focus,
textarea.success:focus,
select.success:focus {
    border-color: var(--color-success);
    box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.1);
}

.form-error,
.invalid-feedback {
    display: block;
    margin-top: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-error);
}

/* Alert Messages */
.alert,
.form-message {
    padding: var(--space-4) var(--space-5);
    border: 1px solid transparent;
    border-radius: var(--radius-base);
    margin-bottom: var(--space-4);
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
}

.alert-success,
.form-message--success {
    color: var(--color-neutral-900);
    background-color: #d1fae5;
    border-color: #a7f3d0;
}

.alert-error,
.alert-danger,
.form-message--error {
    color: var(--color-neutral-900);
    background-color: #fee2e2;
    border-color: #fecaca;
}

.alert-info,
.form-message--info {
    color: var(--color-neutral-900);
    background-color: #dbeafe;
    border-color: #bfdbfe;
}

.alert-warning,
.form-message--warning {
    color: var(--color-neutral-900);
    background-color: #fed7aa;
    border-color: #fdba74;
}

/* Navigation - Enterprise Header System */
.header-default {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-neutral-200);
    box-shadow: var(--shadow-xs);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95);
}

/* Top Bar - Professional Announcement Bar */

/* Top Bar - align with brand soft tone */
.tf-top-bar {
    background-color: #fbe3e6;
    color: var(--color-neutral-800);
    padding: var(--space-2) 0;
    font-size: var(--font-size-sm);
}

.tf-top-bar a {
    color: var(--color-neutral-800);
    text-decoration: none;
}

.tf-top-bar a:hover {
    color: var(--color-neutral-900);
}

/* Small Get Quote button in top bar */
.tf-btn-top-quote {
    background-color: var(--color-primary);
    color: var(--color-white) !important;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-base);
    text-decoration: none;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.025em;
    transition: all var(--transition-base) ease;
    border: 1px solid var(--color-primary);
}

.tf-btn-top-quote:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: var(--color-white) !important;
    transform: translateY(-1px);
}

/* Navigation Menu */
.box-navigation {
    display: flex;
    align-items: center;
}

.box-nav-ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--space-8);
    white-space: nowrap;
}

.menu-item {
    position: relative;
}

.item-link {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    color: var(--color-neutral-700);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    padding: var(--space-6) 0;
    transition: color var(--transition-fast) ease;
    position: relative;
}

.item-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-base) ease;
}

.item-link:hover {
    color: var(--color-primary);
}

.item-link:hover::after,
.menu-item.active .item-link::after {
    width: 100%;
}

/* Active link color */
.box-nav-ul .item-link.active,
.box-nav-ul .menu-item > a[aria-current="page"] {
    color: var(--color-primary);
}

/* Dropdown Menu */
.sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 240px;
    background-color: var(--color-white);
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-base);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base) ease;
    z-index: var(--z-dropdown);
}

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

.sub-menu .menu-list {
    list-style: none;
    padding: var(--space-2) 0;
    margin: 0;
}

.sub-menu .menu-link-text {
    display: block;
    padding: var(--space-3) var(--space-6);
    color: var(--color-neutral-700);
    font-size: var(--font-size-sm);
    text-decoration: none;
    transition: all var(--transition-fast) ease;
}

.sub-menu .menu-link-text:hover {
    background-color: var(--color-neutral-50);
    color: var(--color-primary);
}

/* Header Single Line Layout */
.wrapper-header {
    display: flex !important;
    align-items: center;
    flex-wrap: nowrap;
    white-space: nowrap;
}

.wrapper-header .row {
    flex-wrap: nowrap;
    width: 100%;
    margin: 0;
}

.wrapper-header .col-md-4,
.wrapper-header .col-md-6,
.wrapper-header .col-xl-3,
.wrapper-header .col-xl-6 {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

/* Navigation icons area */
.nav-icon {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    white-space: nowrap;
}

.nav-icon li {
    display: flex;
    align-items: center;
}

/* ==============================================
   Compact Header (desktop) — reduce overall height
   ============================================== */
@media (min-width: 1024px) {
  .header-default .wrapper-header { min-height: 48px; }
  .box-nav-ul .menu-item { padding: 12px 0; }
  #header .box-nav-ul .item-link { padding: 6px 10px; border-radius: 8px; }
  /* Make logo slightly larger while keeping header compact */
  #header .logo-header img { height: 132px; width: auto; }
  #header .box-nav-ul { gap: var(--space-5); /* 1.25rem */ }
}

/* Modern nav hover — subtle background, no underline */
#header .box-nav-ul .item-link { color: var(--color-neutral-800); }
#header .box-nav-ul .item-link:hover,
#header .box-nav-ul .item-link:focus { 
  color: var(--color-primary); 
  background-color: var(--color-neutral-100);
  text-decoration: none;
}
#header .box-nav-ul .item-link::after { display: none; }

/* Ensure any nav anchors don't show text-decoration on hover */
#header .box-navigation a:hover { text-decoration: none; }

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-neutral-700);
    cursor: pointer;
    padding: var(--space-2);
}

@media (max-width: 1023px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .box-navigation {
        display: none;
    }
}

/* ==========================================================================
   5. Utilities - Comprehensive Helper Classes
   ========================================================================== */

/* Spacing - Complete System */
/* Margin */
.m-0 { margin: 0; }
.m-1 { margin: var(--space-1); }
.m-2 { margin: var(--space-2); }
.m-3 { margin: var(--space-3); }
.m-4 { margin: var(--space-4); }
.m-5 { margin: var(--space-5); }
.m-6 { margin: var(--space-6); }
.m-8 { margin: var(--space-8); }
.m-auto { margin: auto; }

/* Margin Top */
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-10 { margin-top: var(--space-10); }
.mt-12 { margin-top: var(--space-12); }
.mt-16 { margin-top: var(--space-16); }
.mt-auto { margin-top: auto; }

/* Margin Bottom */
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-10 { margin-bottom: var(--space-10); }
.mb-12 { margin-bottom: var(--space-12); }
.mb-16 { margin-bottom: var(--space-16); }
.mb-auto { margin-bottom: auto; }

/* Margin Left */
.ml-0 { margin-left: 0; }
.ml-1 { margin-left: var(--space-1); }
.ml-2 { margin-left: var(--space-2); }
.ml-3 { margin-left: var(--space-3); }
.ml-4 { margin-left: var(--space-4); }
.ml-5 { margin-left: var(--space-5); }
.ml-6 { margin-left: var(--space-6); }
.ml-8 { margin-left: var(--space-8); }
.ml-auto { margin-left: auto; }

/* Margin Right */
.mr-0 { margin-right: 0; }
.mr-1 { margin-right: var(--space-1); }
.mr-2 { margin-right: var(--space-2); }
.mr-3 { margin-right: var(--space-3); }
.mr-4 { margin-right: var(--space-4); }
.mr-5 { margin-right: var(--space-5); }
.mr-6 { margin-right: var(--space-6); }
.mr-8 { margin-right: var(--space-8); }
.mr-auto { margin-right: auto; }

/* Margin X-axis */
.mx-0 { margin-left: 0; margin-right: 0; }
.mx-1 { margin-left: var(--space-1); margin-right: var(--space-1); }
.mx-2 { margin-left: var(--space-2); margin-right: var(--space-2); }
.mx-3 { margin-left: var(--space-3); margin-right: var(--space-3); }
.mx-4 { margin-left: var(--space-4); margin-right: var(--space-4); }
.mx-5 { margin-left: var(--space-5); margin-right: var(--space-5); }
.mx-6 { margin-left: var(--space-6); margin-right: var(--space-6); }
.mx-8 { margin-left: var(--space-8); margin-right: var(--space-8); }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Margin Y-axis */
.my-0 { margin-top: 0; margin-bottom: 0; }
.my-1 { margin-top: var(--space-1); margin-bottom: var(--space-1); }
.my-2 { margin-top: var(--space-2); margin-bottom: var(--space-2); }
.my-3 { margin-top: var(--space-3); margin-bottom: var(--space-3); }
.my-4 { margin-top: var(--space-4); margin-bottom: var(--space-4); }
.my-5 { margin-top: var(--space-5); margin-bottom: var(--space-5); }
.my-6 { margin-top: var(--space-6); margin-bottom: var(--space-6); }
.my-8 { margin-top: var(--space-8); margin-bottom: var(--space-8); }
.my-10 { margin-top: var(--space-10); margin-bottom: var(--space-10); }
.my-12 { margin-top: var(--space-12); margin-bottom: var(--space-12); }
.my-16 { margin-top: var(--space-16); margin-bottom: var(--space-16); }

/* Padding */
.p-0 { padding: 0; }
.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-5 { padding: var(--space-5); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }
.p-10 { padding: var(--space-10); }
.p-12 { padding: var(--space-12); }
.p-16 { padding: var(--space-16); }

/* Padding Top */
.pt-0 { padding-top: 0; }
.pt-1 { padding-top: var(--space-1); }
.pt-2 { padding-top: var(--space-2); }
.pt-3 { padding-top: var(--space-3); }
.pt-4 { padding-top: var(--space-4); }
.pt-5 { padding-top: var(--space-5); }
.pt-6 { padding-top: var(--space-6); }
.pt-8 { padding-top: var(--space-8); }
.pt-10 { padding-top: var(--space-10); }
.pt-12 { padding-top: var(--space-12); }
.pt-16 { padding-top: var(--space-16); }

/* Padding Bottom */
.pb-0 { padding-bottom: 0; }
.pb-1 { padding-bottom: var(--space-1); }
.pb-2 { padding-bottom: var(--space-2); }
.pb-3 { padding-bottom: var(--space-3); }
.pb-4 { padding-bottom: var(--space-4); }
.pb-5 { padding-bottom: var(--space-5); }
.pb-6 { padding-bottom: var(--space-6); }
.pb-8 { padding-bottom: var(--space-8); }
.pb-10 { padding-bottom: var(--space-10); }
.pb-12 { padding-bottom: var(--space-12); }
.pb-16 { padding-bottom: var(--space-16); }

/* Padding Left */
.pl-0 { padding-left: 0; }
.pl-1 { padding-left: var(--space-1); }
.pl-2 { padding-left: var(--space-2); }
.pl-3 { padding-left: var(--space-3); }
.pl-4 { padding-left: var(--space-4); }
.pl-5 { padding-left: var(--space-5); }
.pl-6 { padding-left: var(--space-6); }
.pl-8 { padding-left: var(--space-8); }

/* Padding Right */
.pr-0 { padding-right: 0; }
.pr-1 { padding-right: var(--space-1); }
.pr-2 { padding-right: var(--space-2); }
.pr-3 { padding-right: var(--space-3); }
.pr-4 { padding-right: var(--space-4); }
.pr-5 { padding-right: var(--space-5); }
.pr-6 { padding-right: var(--space-6); }
.pr-8 { padding-right: var(--space-8); }

/* Padding X-axis */
.px-0 { padding-left: 0; padding-right: 0; }
.px-1 { padding-left: var(--space-1); padding-right: var(--space-1); }
.px-2 { padding-left: var(--space-2); padding-right: var(--space-2); }
.px-3 { padding-left: var(--space-3); padding-right: var(--space-3); }
.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.px-5 { padding-left: var(--space-5); padding-right: var(--space-5); }
.px-6 { padding-left: var(--space-6); padding-right: var(--space-6); }
.px-8 { padding-left: var(--space-8); padding-right: var(--space-8); }
.px-10 { padding-left: var(--space-10); padding-right: var(--space-10); }
.px-12 { padding-left: var(--space-12); padding-right: var(--space-12); }
.px-16 { padding-left: var(--space-16); padding-right: var(--space-16); }

/* Padding Y-axis */
.py-0 { padding-top: 0; padding-bottom: 0; }
.py-1 { padding-top: var(--space-1); padding-bottom: var(--space-1); }
.py-2 { padding-top: var(--space-2); padding-bottom: var(--space-2); }
.py-3 { padding-top: var(--space-3); padding-bottom: var(--space-3); }
.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-5 { padding-top: var(--space-5); padding-bottom: var(--space-5); }
.py-6 { padding-top: var(--space-6); padding-bottom: var(--space-6); }
.py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }
.py-10 { padding-top: var(--space-10); padding-bottom: var(--space-10); }
.py-12 { padding-top: var(--space-12); padding-bottom: var(--space-12); }
.py-16 { padding-top: var(--space-16); padding-bottom: var(--space-16); }

/* Typography Utilities */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-justify { text-align: justify; }

/* Text Colors */
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-success { color: var(--color-success); }
.text-danger { color: var(--color-error); }
.text-warning { color: var(--color-warning); }
.text-info { color: var(--color-info); }
.text-white { color: var(--color-white); }
.text-black { color: var(--color-neutral-900); }
.text-muted { color: var(--color-neutral-600); }
.text-light { color: var(--color-neutral-500); }
.text-dark { color: var(--color-neutral-800); }

/* Font Sizes */
.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.text-2xl { font-size: var(--font-size-2xl); }
.text-3xl { font-size: var(--font-size-3xl); }
.text-4xl { font-size: var(--font-size-4xl); }
.text-5xl { font-size: var(--font-size-5xl); }

/* Font Weights */
.font-light { font-weight: var(--font-weight-light); }
.font-normal { font-weight: var(--font-weight-normal); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }
.font-extrabold { font-weight: var(--font-weight-extrabold); }

/* Line Heights */
.leading-none { line-height: 1; }
.leading-tight { line-height: var(--line-height-tight); }
.leading-snug { line-height: var(--line-height-snug); }
.leading-normal { line-height: var(--line-height-normal); }
.leading-relaxed { line-height: var(--line-height-relaxed); }
.leading-loose { line-height: var(--line-height-loose); }

/* Letter Spacing */
.tracking-tighter { letter-spacing: var(--letter-spacing-tighter); }
.tracking-tight { letter-spacing: var(--letter-spacing-tight); }
.tracking-normal { letter-spacing: var(--letter-spacing-normal); }
.tracking-wide { letter-spacing: var(--letter-spacing-wide); }
.tracking-wider { letter-spacing: var(--letter-spacing-wider); }
.tracking-widest { letter-spacing: var(--letter-spacing-widest); }

/* Text Decoration */
.underline { text-decoration: underline; }
.no-underline { text-decoration: none; }
.line-through { text-decoration: line-through; }

/* Text Transform */
.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }
.capitalize { text-transform: capitalize; }
.normal-case { text-transform: none; }

/* Text Overflow */
.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Word Break */
.break-normal { word-break: normal; overflow-wrap: normal; }
.break-words { overflow-wrap: break-word; }
.break-all { word-break: break-all; }

/* Display */
.d-none { display: none; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }
.d-block { display: block; }
.d-table { display: table; }
.d-table-cell { display: table-cell; }
.d-flex { display: flex; }
.d-inline-flex { display: inline-flex; }
.d-grid { display: grid; }
.hidden { display: none; }

/* Flexbox */
.flex-row { flex-direction: row; }
.flex-row-reverse { flex-direction: row-reverse; }
.flex-col { flex-direction: column; }
.flex-col-reverse { flex-direction: column-reverse; }

.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }
.flex-wrap-reverse { flex-wrap: wrap-reverse; }

.flex-1 { flex: 1 1 0%; }
.flex-auto { flex: 1 1 auto; }
.flex-initial { flex: 0 1 auto; }
.flex-none { flex: none; }

.flex-grow { flex-grow: 1; }
.flex-grow-0 { flex-grow: 0; }
.flex-shrink { flex-shrink: 1; }
.flex-shrink-0 { flex-shrink: 0; }

/* Justify Content */
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.justify-evenly { justify-content: space-evenly; }

/* Align Items */
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.items-center { align-items: center; }
.items-baseline { align-items: baseline; }
.items-stretch { align-items: stretch; }

/* Align Content */
.content-start { align-content: flex-start; }
.content-end { align-content: flex-end; }
.content-center { align-content: center; }
.content-between { align-content: space-between; }
.content-around { align-content: space-around; }
.content-stretch { align-content: stretch; }

/* Align Self */
.self-auto { align-self: auto; }
.self-start { align-self: flex-start; }
.self-end { align-self: flex-end; }
.self-center { align-self: center; }
.self-stretch { align-self: stretch; }

/* Gap - Using CSS Variables */
.gap-0 { gap: 0; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }
.gap-10 { gap: var(--space-10); }
.gap-12 { gap: var(--space-12); }
.gap-16 { gap: var(--space-16); }

/* Legacy gap classes for compatibility */
.gap-10 { gap: var(--space-3); }
.gap-20 { gap: var(--space-5); }
.gap-30 { gap: var(--space-8); }

/* Order */
.order-first { order: -9999; }
.order-last { order: 9999; }
.order-0 { order: 0; }
.order-1 { order: 1; }
.order-2 { order: 2; }
.order-3 { order: 3; }
.order-4 { order: 4; }
.order-5 { order: 5; }
.order-6 { order: 6; }

/* Position */
.static { position: static; }
.fixed { position: fixed; }
.absolute { position: absolute; }
.relative { position: relative; }
.sticky { position: sticky; }

.position-static { position: static; }
.position-fixed { position: fixed; }
.position-absolute { position: absolute; }
.position-relative { position: relative; }
.position-sticky { position: sticky; }

/* Top/Right/Bottom/Left */
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.top-0 { top: 0; }
.right-0 { right: 0; }
.bottom-0 { bottom: 0; }
.left-0 { left: 0; }
.top-auto { top: auto; }
.right-auto { right: auto; }
.bottom-auto { bottom: auto; }
.left-auto { left: auto; }

/* Z-Index */
.z-0 { z-index: 0; }
.z-10 { z-index: var(--z-10); }
.z-20 { z-index: var(--z-20); }
.z-30 { z-index: var(--z-30); }
.z-40 { z-index: var(--z-40); }
.z-50 { z-index: var(--z-50); }
.z-auto { z-index: auto; }

/* Overflow */
.overflow-auto { overflow: auto; }
.overflow-hidden { overflow: hidden; }
.overflow-visible { overflow: visible; }
.overflow-scroll { overflow: scroll; }
.overflow-x-auto { overflow-x: auto; }
.overflow-x-hidden { overflow-x: hidden; }
.overflow-x-visible { overflow-x: visible; }
.overflow-x-scroll { overflow-x: scroll; }
.overflow-y-auto { overflow-y: auto; }
.overflow-y-hidden { overflow-y: hidden; }
.overflow-y-visible { overflow-y: visible; }
.overflow-y-scroll { overflow-y: scroll; }

/* Background Colors */
.bg-transparent { background-color: transparent; }
.bg-white { background-color: var(--color-white); }
.bg-primary { background-color: var(--color-primary); }
.bg-secondary { background-color: var(--color-secondary); }
.bg-success { background-color: var(--color-success); }
.bg-danger { background-color: var(--color-error); }
.bg-warning { background-color: var(--color-warning); }
.bg-info { background-color: var(--color-info); }
.bg-light { background-color: var(--color-neutral-100); }
.bg-dark { background-color: var(--color-neutral-900); }
.bg-muted { background-color: var(--color-neutral-50); }

/* Legacy background classes for compatibility */
.bg_white { background-color: var(--color-white); }
.bg_grey-7 { background-color: var(--color-neutral-50); }

/* Background Size */
.bg-auto { background-size: auto; }
.bg-cover { background-size: cover; }
.bg-contain { background-size: contain; }

/* Background Position */
.bg-center { background-position: center; }
.bg-top { background-position: top; }
.bg-right { background-position: right; }
.bg-bottom { background-position: bottom; }
.bg-left { background-position: left; }

/* Background Repeat */
.bg-repeat { background-repeat: repeat; }
.bg-no-repeat { background-repeat: no-repeat; }
.bg-repeat-x { background-repeat: repeat-x; }
.bg-repeat-y { background-repeat: repeat-y; }

/* Borders */
.border { border: 1px solid var(--color-neutral-200); }
.border-0 { border: none; }
.border-t { border-top: 1px solid var(--color-neutral-200); }
.border-r { border-right: 1px solid var(--color-neutral-200); }
.border-b { border-bottom: 1px solid var(--color-neutral-200); }
.border-l { border-left: 1px solid var(--color-neutral-200); }

.border-primary { border-color: var(--color-primary); }
.border-secondary { border-color: var(--color-secondary); }
.border-success { border-color: var(--color-success); }
.border-danger { border-color: var(--color-error); }
.border-warning { border-color: var(--color-warning); }
.border-info { border-color: var(--color-info); }
.border-light { border-color: var(--color-neutral-200); }
.border-dark { border-color: var(--color-neutral-700); }

/* Border Radius */
.rounded-none { border-radius: 0; }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded { border-radius: var(--radius-base); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-full { border-radius: var(--radius-full); }

/* Box Shadow */
.shadow-none { box-shadow: none; }
.shadow-xs { box-shadow: var(--shadow-xs); }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow { box-shadow: var(--shadow-base); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }
.shadow-2xl { box-shadow: var(--shadow-2xl); }
.shadow-inner { box-shadow: var(--shadow-inner); }

/* Opacity */
.opacity-0 { opacity: 0; }
.opacity-25 { opacity: 0.25; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

/* Cursor */
.cursor-auto { cursor: auto; }
.cursor-default { cursor: default; }
.cursor-pointer { cursor: pointer; }
.cursor-wait { cursor: wait; }
.cursor-text { cursor: text; }
.cursor-move { cursor: move; }
.cursor-not-allowed { cursor: not-allowed; }

/* User Select */
.select-none { user-select: none; }
.select-text { user-select: text; }
.select-all { user-select: all; }
.select-auto { user-select: auto; }

/* Pointer Events */
.pointer-events-none { pointer-events: none; }
.pointer-events-auto { pointer-events: auto; }

/* Visibility */
.visible { visibility: visible; }
.invisible { visibility: hidden; }

/* ==========================================================================
   6. Accessibility (from accessibility.css)
   ========================================================================== */

.visually-hidden,
.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;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: white;
    padding: 8px 16px;
    text-decoration: none;
    border-radius: 0 0 4px 0;
    z-index: 100;
}

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

/* Focus indicators */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ==========================================================================
   7. Lazy Loading (from lazy-loading.css)
   ========================================================================== */

img.lazyload {
    opacity: 1; /* Show placeholder immediately */
    transition: opacity 0.3s ease-in-out;
    background: #f8fafc;
    min-height: 100px;
}

img.lazy-loaded {
    opacity: 1;
}

/* Smooth transition for when real image loads */
img.lazyload[data-src] {
    transition: opacity 0.3s ease-in-out, filter 0.3s ease-in-out;
}

/* Add slight blur to placeholders */
img.lazyload[src^="data:image/svg"] {
    filter: none; /* No blur for SVG placeholders */
    opacity: 0.8;
}

/* When real image loads, remove any effects */
img.lazy-loaded[data-src] {
    filter: none;
    opacity: 1;
}

img.lazy-error {
    opacity: 1;
    background: #fee;
}

/* ==========================================================================
   8. Animations & Interactions - Enterprise Grade
   ========================================================================== */

/* Modern Keyframe Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(2rem);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-2rem);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(2rem);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

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

/* Animation Classes */
.fade-item {
    opacity: 0;
    animation: fadeInUp 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.fade-item-1 { animation-delay: 0.1s; }
.fade-item-2 { animation-delay: 0.2s; }
.fade-item-3 { animation-delay: 0.3s; }
.fade-item-4 { animation-delay: 0.4s; }
.fade-item-5 { animation-delay: 0.5s; }

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

.animate-slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

.animate-slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

.animate-scale-in {
    animation: scaleIn 0.4s ease-out;
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.animate-spin {
    animation: spin 1s linear infinite;
}

/* Hover Effects */
.hover-lift:hover {
    transform: translateY(-0.25rem);
    box-shadow: var(--shadow-lg);
}

.hover-scale:hover {
    transform: scale(1.02);
}

.hover-glow:hover {
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
}

/* Loading States */
.loading {
    pointer-events: none;
    opacity: 0.6;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 1rem;
    height: 1rem;
    margin: -0.5rem 0 0 -0.5rem;
    border: 2px solid transparent;
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Focus and Interaction States */
.interactive {
    cursor: pointer;
    transition: all var(--transition-base) ease;
}

.interactive:hover {
    transform: translateY(-1px);
}

.interactive:active {
    transform: translateY(0);
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Smooth focus transitions */
:focus {
    outline: none;
}

:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    transition: outline-offset var(--transition-fast) ease;
}

/* Page transition effects */
.page-enter {
    opacity: 0;
    transform: translateY(1rem);
}

.page-enter-active {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.3s ease-out;
}

.page-exit {
    opacity: 1;
    transform: translateY(0);
}

.page-exit-active {
    opacity: 0;
    transform: translateY(-1rem);
    transition: all 0.3s ease-in;
}

/* Accessibility and Motion Preferences */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .fade-item {
        opacity: 1;
        animation: none;
    }
    
    .hover-lift:hover,
    .hover-scale:hover,
    .interactive:hover {
        transform: none;
    }
}

/* ==========================================================================
   9. Breadcrumb Navigation - SEO Enhancement
   ========================================================================== */

.breadcrumb-section {
    background-color: var(--color-neutral-50);
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--color-neutral-200);
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    padding: 0;
    margin: 0;
    list-style: none;
    font-size: var(--font-size-sm);
}

.breadcrumb-item {
    display: flex;
    align-items: center;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: "›";
    padding: 0 var(--space-2);
    color: var(--color-neutral-400);
    font-weight: var(--font-weight-normal);
}

.breadcrumb-item a {
    color: var(--color-neutral-600);
    text-decoration: none;
    transition: color var(--transition-fast) ease;
}

.breadcrumb-item a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

.breadcrumb-item.active {
    color: var(--color-neutral-800);
    font-weight: var(--font-weight-medium);
}

.breadcrumb-item.active span {
    color: var(--color-neutral-800);
}

/* Responsive breadcrumb */
@media (max-width: 767px) {
    .breadcrumb-section {
        padding: var(--space-3) 0;
    }
    
    .breadcrumb {
        font-size: var(--font-size-xs);
    }
    
    .breadcrumb-item + .breadcrumb-item::before {
        padding: 0 var(--space-1);
    }
}

/* ==========================================================================
   Top Bar Improvements
   ========================================================================== */

/* Top bar text - improved readability */
.top-bar-text {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: var(--line-height-normal);
    color: inherit;
}

/* Ensure swiper slide containers don't break the no-wrap rule */
.tf-sw-top_bar .swiper-slide {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: fit-content; /* Allow slide to expand as needed */
}

/* ==========================================================================
   Content-specific Typography Improvements
   ========================================================================== */

/* Content sections - professional typography */
.tf-content-wrap .description {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-loose);
    color: var(--color-neutral-600);
    margin-bottom: var(--text-spacing-lg);
    max-width: 65ch;
}

.tf-content-wrap .heading {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--color-neutral-900);
    margin-bottom: var(--text-spacing-md);
}

.tf-content-wrap .sub-heading {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-normal);
    letter-spacing: var(--letter-spacing-wider);
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: var(--text-spacing-sm);
}

/* Feature list - enhanced design */
.tf-list-wrap {
    margin-bottom: var(--text-spacing-xl);
}

.tf-list-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--text-spacing-base);
    padding: var(--space-3) 0;
    transition: all var(--transition-fast) ease;
}

.tf-list-item:hover {
    transform: translateX(var(--space-1));
}

.tf-list-item .icon {
    color: var(--color-primary);
    font-size: var(--font-size-lg);
    margin-right: var(--space-4);
    margin-top: var(--space-1);
    flex-shrink: 0;
    width: 1.5rem;
    height: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(37, 99, 235, 0.1);
    border-radius: var(--radius-full);
}

.tf-list-item .text,
.tf-list-item span {
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: var(--color-neutral-700);
    font-weight: var(--font-weight-normal);
    letter-spacing: var(--letter-spacing-normal);
    flex: 1;
}

.tf-list-item .text strong,
.tf-list-item span strong {
    font-weight: var(--font-weight-semibold);
    color: var(--color-neutral-900);
}

/* ==========================================================================
   Responsive Design System - Professional Breakpoints
   ========================================================================== */

/* Base/Mobile First - 320px and up */
.container {
    padding-inline: var(--space-4);
}

/* Small devices (640px and up) */
@media (min-width: 640px) {
    .sm\:hidden { display: none; }
    .sm\:block { display: block; }
    .sm\:flex { display: flex; }
    .sm\:inline-flex { display: inline-flex; }
    
    .container {
        padding-inline: var(--space-6);
    }
    
    /* Typography adjustments */
    .tf-content-wrap .heading {
        font-size: var(--font-size-5xl);
    }
}

/* Medium devices (768px and up) - Tablets */
@media (min-width: 768px) {
    .md\:hidden { display: none; }
    .md\:block { display: block; }
    .md\:flex { display: flex; }
    .md\:inline-flex { display: inline-flex; }
    
    .container {
        padding-inline: var(--space-8);
    }
    
    /* Navigation improvements */
    .box-navigation {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: none;
    }
    
    /* Typography scaling */
    h1, .h1 { font-size: var(--font-size-6xl); }
    h2, .h2 { font-size: var(--font-size-5xl); }
    h3, .h3 { font-size: var(--font-size-4xl); }
    
    .tf-content-wrap .heading {
        font-size: var(--font-size-5xl);
    }
    
    /* Feature list improvements */
    .tf-list-item {
        padding: var(--space-4) 0;
    }
}

/* Large devices (1024px and up) - Desktops */
@media (min-width: 1024px) {
    .lg\:hidden { display: none; }
    .lg\:block { display: block; }
    .lg\:flex { display: flex; }
    .lg\:inline-flex { display: inline-flex; }
    
    .container {
        padding-inline: var(--space-10);
    }
    
    /* Enhanced typography for large screens */
    h1, .h1 { font-size: var(--font-size-6xl); }
    
    .tf-content-wrap .heading {
        font-size: var(--font-size-6xl);
    }
    
    .tf-content-wrap .description {
        font-size: var(--font-size-xl);
    }
}

/* Extra large devices (1280px and up) - Large Desktops */
@media (min-width: 1280px) {
    .xl\:hidden { display: none; }
    .xl\:block { display: block; }
    .xl\:flex { display: flex; }
    .xl\:inline-flex { display: inline-flex; }
    
    .container {
        padding-inline: var(--space-12);
    }
}

/* 2X Large devices (1536px and up) - Ultra-wide */
@media (min-width: 1536px) {
    .\32xl\:hidden { display: none; }
    .\32xl\:block { display: block; }
    .\32xl\:flex { display: flex; }
    .\32xl\:inline-flex { display: inline-flex; }
}

/* Mobile-specific improvements (below 768px) */
@media (max-width: 767px) {
    /* Legacy class support */
    .tf-md-hidden { display: none; }
    .tf-lg-hidden { display: block; }
    
    /* Mobile header single line layout */
    .wrapper-header {
        min-height: 60px !important;
        padding: var(--space-2) 0;
    }
    
    .wrapper-header .row {
        align-items: center;
    }
    
    /* Ensure mobile menu icon and logo stay inline */
    .wrapper-header .col-3,
    .wrapper-header .col-6 {
        display: flex;
        align-items: center;
    }
    
    /* Mobile typography - improved readability */
    h1, .h1 { 
        font-size: var(--font-size-4xl);
        line-height: var(--line-height-tight);
    }
    h2, .h2 { 
        font-size: var(--font-size-3xl);
        line-height: var(--line-height-tight);
    }
    h3, .h3 { 
        font-size: var(--font-size-2xl);
        line-height: var(--line-height-snug);
    }
    
    /* Top bar improvements */
    .top-bar-text {
        font-size: var(--font-size-xs);
        padding: 0 var(--space-2);
    }
    
    .tf-top-bar_wrap {
        overflow: hidden;
    }
    
    /* Content spacing adjustments */
    .tf-content-wrap .heading {
        font-size: var(--font-size-3xl);
        margin-bottom: var(--text-spacing-base);
    }
    
    .tf-content-wrap .description {
        font-size: var(--font-size-base);
        margin-bottom: var(--text-spacing-base);
    }
    
    /* Feature list mobile optimization */
    .tf-list-item {
        padding: var(--space-3) 0;
        margin-bottom: var(--text-spacing-sm);
    }
    
    .tf-list-item .icon {
        width: 1.25rem;
        height: 1.25rem;
        font-size: var(--font-size-base);
        margin-right: var(--space-3);
    }
    
    .tf-list-item .text,
    .tf-list-item span {
        font-size: var(--font-size-sm);
        line-height: var(--line-height-normal);
    }
    
    /* Button adjustments */
    .tf-btn,
    .btn {
        padding: var(--space-3) var(--space-5);
        font-size: var(--font-size-sm);
        min-height: 2.5rem;
    }
    
    /* Section spacing */
    .section {
        padding-block: var(--space-12);
    }
    
    .section-lg {
        padding-block: var(--space-16);
    }
}

/* Desktop-specific (≥1024px) - Hide mobile menu */
@media (min-width: 1024px) {
    .tf-lg-hidden { display: none !important; }
}

/* Tablet-specific (768px - 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
    .tf-lg-hidden { display: block; }
    
    /* Tablet header single line layout */
    .wrapper-header {
        min-height: 65px !important;
    }
    
    .wrapper-header .row {
        align-items: center;
    }
    
    /* Optimize for tablet viewing */
    .container {
        max-width: var(--container-5xl);
    }
    
    .tf-content-wrap .description {
        font-size: var(--font-size-lg);
    }
}

/* Print Styles */
@media print {
    .no-print,
    .tf-toolbar-bottom,
    .skip-link,
    header,
    footer {
        display: none !important;
    }
}