/* ========================================
   AFRILINK TELECOMS DESIGN SYSTEM
   ======================================== */

/* ========================================
   1. COLOR PALETTE & DESIGN TOKENS
   ======================================== */
:root {
    /* Primary Brand Colors */
    --color-primary-900: #050A18;     /* Darkest Blue */
    --color-primary-800: #0B1426;     /* Dark Blue */
    --color-primary-700: #162844;     /* Deep Blue */
    --color-primary-600: #1e3d59;     /* Navy Blue */
    --color-primary-500: #2B5278;     /* Medium Blue */
    --color-primary-400: #3E6B92;     /* Light Blue */
    --color-primary-300: #5A86AE;     /* Lighter Blue */
    --color-primary-200: #8CABC9;     /* Pale Blue */
    --color-primary-100: #C1D4E4;     /* Very Pale Blue */
    --color-primary-50: #E8EFF6;      /* Almost White Blue */

    /* Secondary Brand Colors */
    --color-secondary-900: #7A2E0E;   /* Darkest Orange */
    --color-secondary-800: #A63F12;   /* Dark Orange */
    --color-secondary-700: #D14F16;   /* Deep Orange */
    --color-secondary-600: #E85D24;   /* Orange */
    --color-secondary-500: #FF6B35;   /* Primary Orange */
    --color-secondary-400: #FF8659;   /* Light Orange */
    --color-secondary-300: #FFA07D;   /* Lighter Orange */
    --color-secondary-200: #FFBBA1;   /* Pale Orange */
    --color-secondary-100: #FFD5C5;   /* Very Pale Orange */
    --color-secondary-50: #FFF0E9;    /* Almost White Orange */

    /* Accent Colors */
    --color-accent-teal: #00A8CC;
    --color-accent-teal-light: #4FC3E0;
    --color-accent-teal-dark: #007A94;
    
    /* Semantic Colors */
    --color-success-600: #219653;
    --color-success-500: #27AE60;
    --color-success-400: #2ECC71;
    --color-success-100: #D4EFDF;
    
    --color-warning-600: #D68910;
    --color-warning-500: #F39C12;
    --color-warning-400: #F7B733;
    --color-warning-100: #FCF3CF;
    
    --color-error-600: #C0392B;
    --color-error-500: #E74C3C;
    --color-error-400: #EC7063;
    --color-error-100: #FADBD8;
    
    --color-info-600: #2471A3;
    --color-info-500: #3498DB;
    --color-info-400: #5DADE2;
    --color-info-100: #D6EAF8;

    /* Neutral Colors */
    --color-white: #FFFFFF;
    --color-gray-50: #F8F9FA;
    --color-gray-100: #F1F3F5;
    --color-gray-200: #E9ECEF;
    --color-gray-300: #DEE2E6;
    --color-gray-400: #CED4DA;
    --color-gray-500: #ADB5BD;
    --color-gray-600: #6C757D;
    --color-gray-700: #495057;
    --color-gray-800: #343A40;
    --color-gray-900: #212529;
    --color-black: #000000;

    /* Text Colors */
    --text-primary: var(--color-gray-900);
    --text-secondary: var(--color-gray-700);
    --text-muted: var(--color-gray-600);
    --text-light: var(--color-gray-500);
    --text-inverse: var(--color-white);
    --text-link: var(--color-info-600);
    --text-link-hover: var(--color-info-500);

    /* Background Colors */
    --bg-primary: var(--color-white);
    --bg-secondary: var(--color-gray-50);
    --bg-tertiary: var(--color-gray-100);
    --bg-inverse: var(--color-primary-800);
    --bg-overlay: rgba(11, 20, 38, 0.7);

    /* Border Colors */
    --border-light: var(--color-gray-200);
    --border-default: var(--color-gray-300);
    --border-dark: var(--color-gray-400);
}

/* ========================================
   2. TYPOGRAPHY SCALE
   ======================================== */
:root {
    /* Font Families */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-secondary: 'Poppins', 'Inter', sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', monospace;

    /* Font Sizes - Desktop */
    --text-xs: 0.75rem;     /* 12px */
    --text-sm: 0.875rem;    /* 14px */
    --text-base: 1rem;      /* 16px */
    --text-lg: 1.125rem;    /* 18px */
    --text-xl: 1.25rem;     /* 20px */
    --text-2xl: 1.5rem;     /* 24px */
    --text-3xl: 1.875rem;   /* 30px */
    --text-4xl: 2.25rem;    /* 36px */
    --text-5xl: 3rem;       /* 48px */
    --text-6xl: 3.75rem;    /* 60px */
    --text-7xl: 4.5rem;     /* 72px */

    /* Line Heights */
    --leading-tight: 1.25;
    --leading-snug: 1.375;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    --leading-loose: 2;

    /* Font Weights */
    --font-light: 300;
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    --font-extrabold: 800;
    --font-black: 900;

    /* Letter Spacing */
    --tracking-tight: -0.025em;
    --tracking-normal: 0;
    --tracking-wide: 0.025em;
    --tracking-wider: 0.05em;
    --tracking-widest: 0.1em;
}

/* ========================================
   3. SPACING SYSTEM
   ======================================== */
:root {
    --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-10: 2.5rem;    /* 40px */
    --space-12: 3rem;      /* 48px */
    --space-14: 3.5rem;    /* 56px */
    --space-16: 4rem;      /* 64px */
    --space-20: 5rem;      /* 80px */
    --space-24: 6rem;      /* 96px */
    --space-32: 8rem;      /* 128px */
}

/* ========================================
   4. EFFECTS & ANIMATIONS
   ======================================== */
:root {
    /* Border Radius */
    --radius-none: 0;
    --radius-sm: 0.125rem;    /* 2px */
    --radius-default: 0.25rem; /* 4px */
    --radius-md: 0.375rem;     /* 6px */
    --radius-lg: 0.5rem;       /* 8px */
    --radius-xl: 0.75rem;      /* 12px */
    --radius-2xl: 1rem;        /* 16px */
    --radius-3xl: 1.5rem;      /* 24px */
    --radius-full: 9999px;

    /* Shadows */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
    --shadow-none: none;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    --transition-slower: 500ms ease;

    /* Z-Index Scale */
    --z-negative: -1;
    --z-0: 0;
    --z-10: 10;
    --z-20: 20;
    --z-30: 30;
    --z-40: 40;
    --z-50: 50;
    --z-60: 60;
    --z-70: 70;
    --z-80: 80;
    --z-90: 90;
    --z-100: 100;
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* ========================================
   5. TEXT STYLES
   ======================================== */

/* Headings */
.heading-display {
    font-family: var(--font-secondary);
    font-size: clamp(var(--text-4xl), 5vw, var(--text-7xl));
    font-weight: var(--font-bold);
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
    color: var(--text-primary);
}

.heading-1 {
    font-family: var(--font-secondary);
    font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
    font-weight: var(--font-bold);
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
    color: var(--text-primary);
}

.heading-2 {
    font-family: var(--font-secondary);
    font-size: clamp(var(--text-2xl), 3vw, var(--text-4xl));
    font-weight: var(--font-semibold);
    line-height: var(--leading-tight);
    color: var(--text-primary);
}

.heading-3 {
    font-family: var(--font-secondary);
    font-size: clamp(var(--text-xl), 2.5vw, var(--text-3xl));
    font-weight: var(--font-semibold);
    line-height: var(--leading-snug);
    color: var(--text-primary);
}

.heading-4 {
    font-family: var(--font-secondary);
    font-size: var(--text-2xl);
    font-weight: var(--font-semibold);
    line-height: var(--leading-snug);
    color: var(--text-primary);
}

.heading-5 {
    font-family: var(--font-secondary);
    font-size: var(--text-xl);
    font-weight: var(--font-medium);
    line-height: var(--leading-normal);
    color: var(--text-primary);
}

.heading-6 {
    font-family: var(--font-secondary);
    font-size: var(--text-lg);
    font-weight: var(--font-medium);
    line-height: var(--leading-normal);
    color: var(--text-primary);
}

/* Body Text */
.text-large {
    font-size: var(--text-lg);
    line-height: var(--leading-relaxed);
    color: var(--text-secondary);
}

.text-base {
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--text-secondary);
}

.text-small {
    font-size: var(--text-sm);
    line-height: var(--leading-normal);
    color: var(--text-secondary);
}

.text-caption {
    font-size: var(--text-xs);
    line-height: var(--leading-normal);
    color: var(--text-muted);
    letter-spacing: var(--tracking-wide);
}

/* Special Text Styles */
.text-lead {
    font-size: var(--text-xl);
    line-height: var(--leading-relaxed);
    color: var(--text-secondary);
    font-weight: var(--font-light);
}

.text-label {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    color: var(--text-muted);
}

.text-code {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    background: var(--color-gray-100);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-default);
    color: var(--color-primary-700);
}

/* ========================================
   6. BUTTON COMPONENTS
   ======================================== */

.btn {
    /* Base Button Styles */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-family: var(--font-primary);
    font-weight: var(--font-semibold);
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
    border: 2px solid transparent;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

/* Button Sizes */
.btn-xs {
    font-size: var(--text-xs);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-default);
    min-height: 28px;
}

.btn-sm {
    font-size: var(--text-sm);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    min-height: 32px;
}

.btn-md {
    font-size: var(--text-base);
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-lg);
    min-height: 40px;
}

.btn-lg {
    font-size: var(--text-lg);
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-lg);
    min-height: 48px;
}

.btn-xl {
    font-size: var(--text-xl);
    padding: var(--space-5) var(--space-8);
    border-radius: var(--radius-xl);
    min-height: 56px;
}

/* Button Variants */
.btn-primary {
    background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-700));
    color: var(--color-white);
    border-color: var(--color-primary-700);
    box-shadow: 0 4px 15px rgba(11, 20, 38, 0.2);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-700), var(--color-primary-800));
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(11, 20, 38, 0.3);
    border-color: var(--color-primary-800);
}

.btn-primary:active {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(11, 20, 38, 0.2);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--color-secondary-500), var(--color-secondary-600));
    color: var(--color-white);
    border-color: var(--color-secondary-600);
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.2);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, var(--color-secondary-600), var(--color-secondary-700));
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.3);
    border-color: var(--color-secondary-700);
}

.btn-accent {
    background: linear-gradient(135deg, var(--color-accent-teal), var(--color-accent-teal-dark));
    color: var(--color-white);
    border-color: var(--color-accent-teal-dark);
}

.btn-accent:hover {
    background: linear-gradient(135deg, var(--color-accent-teal-dark), #005F75);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-success {
    background: var(--color-success-500);
    color: var(--color-white);
    border-color: var(--color-success-600);
}

.btn-success:hover {
    background: var(--color-success-600);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-warning {
    background: var(--color-warning-500);
    color: var(--color-white);
    border-color: var(--color-warning-600);
}

.btn-error {
    background: var(--color-error-500);
    color: var(--color-white);
    border-color: var(--color-error-600);
}

/* Outline Buttons */
.btn-outline-primary {
    background: transparent;
    color: var(--color-primary-600);
    border-color: var(--color-primary-600);
    border-width: 2px;
    position: relative;
    overflow: hidden;
}

.btn-outline-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-700));
    transition: left 0.3s ease;
    z-index: -1;
}

.btn-outline-primary:hover {
    color: var(--color-white);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(11, 20, 38, 0.2);
    border-color: var(--color-primary-700);
}

.btn-outline-primary:hover::before {
    left: 0;
}

.btn-outline-secondary {
    background: transparent;
    color: var(--color-secondary-500);
    border-color: var(--color-secondary-500);
    border-width: 2px;
    position: relative;
    overflow: hidden;
}

.btn-outline-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-secondary-500), var(--color-secondary-600));
    transition: left 0.3s ease;
    z-index: -1;
}

.btn-outline-secondary:hover {
    color: var(--color-white);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.2);
    border-color: var(--color-secondary-600);
}

.btn-outline-secondary:hover::before {
    left: 0;
}

/* Outline White Button for Dark Backgrounds */
.btn-outline-white {
    background: transparent;
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.8);
    border-width: 2px;
    position: relative;
    overflow: hidden;
}

.btn-outline-white::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transition: left 0.3s ease;
    z-index: -1;
}

.btn-outline-white:hover {
    color: var(--color-primary-800);
    background: rgba(255, 255, 255, 0.95);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
    border-color: var(--color-white);
}

.btn-outline-white:hover::before {
    left: 0;
}

/* Ghost Buttons */
.btn-ghost {
    background: transparent;
    color: var(--text-primary);
    border-color: transparent;
}

.btn-ghost:hover {
    background: var(--color-gray-100);
    transform: translateY(-1px);
}

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

.btn-loading {
    color: transparent;
}

.btn-loading::after {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid var(--color-white);
    border-radius: 50%;
    border-top-color: transparent;
    animation: btn-spin 0.6s linear infinite;
}

@keyframes btn-spin {
    to { transform: rotate(360deg); }
}

/* Button Group */
.btn-group {
    display: inline-flex;
    gap: 0;
}

.btn-group .btn:not(:first-child) {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
    margin-left: -2px;
}

.btn-group .btn:not(:last-child) {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

/* ========================================
   7. CARD COMPONENTS
   ======================================== */

.card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: all var(--transition-base);
    position: relative;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

/* Card Variants */
.card-default {
    border: 1px solid var(--border-light);
}

.card-elevated {
    box-shadow: var(--shadow-md);
}

.card-outlined {
    border: 2px solid var(--border-default);
    box-shadow: none;
}

.card-glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Card Hover Effects */
.card-hover:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    border-color: rgba(255, 107, 53, 0.2);
}

.card-scale:hover {
    transform: scale(1.03);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.card-glow:hover {
    box-shadow: 0 15px 40px rgba(255, 107, 53, 0.3);
    border-color: rgba(255, 107, 53, 0.4);
}

/* Card Sections */
.card-header {
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--border-light);
    background: var(--bg-secondary);
}

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

.card-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--border-light);
    background: var(--bg-secondary);
}

.card-image {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.card-title {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.card-subtitle {
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin-bottom: var(--space-3);
}

.card-text {
    font-size: var(--text-base);
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
}

/* Special Card Types */
.card-pricing {
    text-align: center;
    padding: var(--space-10) var(--space-8);
    position: relative;
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-gray-50) 100%);
    border: 2px solid transparent;
    transition: all var(--transition-base);
}

.card-pricing:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
    border-color: rgba(255, 107, 53, 0.2);
}

.card-pricing.featured {
    border: 3px solid var(--color-secondary-500);
    transform: scale(1.05);
    background: linear-gradient(135deg, var(--color-white) 0%, rgba(255, 107, 53, 0.02) 100%);
    box-shadow: 0 15px 35px rgba(255, 107, 53, 0.15);
}

.card-pricing.featured:hover {
    transform: scale(1.05) translateY(-6px);
    box-shadow: 0 25px 50px rgba(255, 107, 53, 0.2);
}

.card-pricing .price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--space-1);
    margin: var(--space-6) 0;
}

.card-pricing .currency {
    font-size: var(--text-xl);
    color: var(--color-secondary-500);
    font-weight: var(--font-semibold);
}

.card-pricing .amount {
    font-size: var(--text-5xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
}

.card-pricing .period {
    font-size: var(--text-base);
    color: var(--text-muted);
}

.card-feature {
    padding: var(--space-8);
    text-align: center;
    transition: all var(--transition-base);
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-gray-50) 100%);
    position: relative;
    overflow: hidden;
}

.card-feature::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--color-secondary-500), var(--color-primary-600));
}

.card-feature:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-primary-50) 100%);
}

.card-feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-6);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-500), var(--color-secondary-500));
    border-radius: var(--radius-2xl);
    font-size: var(--text-3xl);
    color: var(--color-white);
    box-shadow: 0 8px 20px rgba(11, 20, 38, 0.2);
    transition: all var(--transition-base);
}

.card-feature:hover .card-feature-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 30px rgba(255, 107, 53, 0.3);
}

.card-testimonial {
    padding: var(--space-6);
    background: var(--bg-secondary);
}

.card-testimonial-content {
    font-size: var(--text-lg);
    font-style: italic;
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
}

.card-testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.card-testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.card-testimonial-name {
    font-weight: var(--font-semibold);
    color: var(--text-primary);
}

.card-testimonial-role {
    font-size: var(--text-sm);
    color: var(--text-muted);
}

/* ========================================
   8. UTILITY CLASSES
   ======================================== */

/* Layout Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.section {
    padding: var(--space-16) 0;
}

.section-sm {
    padding: var(--space-8) 0;
}

.section-lg {
    padding: var(--space-24) 0;
}

/* Flexbox Utilities */
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.flex-row { flex-direction: row; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.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); }

/* Grid Utilities */
.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* Spacing Utilities */
.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); }

.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); }

.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); }

.mx-auto { margin-left: auto; margin-right: auto; }
.my-0 { margin-top: 0; margin-bottom: 0; }
.my-4 { margin-top: var(--space-4); margin-bottom: var(--space-4); }
.my-8 { margin-top: var(--space-8); margin-bottom: var(--space-8); }

.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); }

.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.px-6 { padding-left: var(--space-6); padding-right: var(--space-6); }
.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }

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

.font-light { font-weight: var(--font-light); }
.font-normal { font-weight: var(--font-normal); }
.font-medium { font-weight: var(--font-medium); }
.font-semibold { font-weight: var(--font-semibold); }
.font-bold { font-weight: var(--font-bold); }

.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }
.capitalize { text-transform: capitalize; }

/* Color Utilities */
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-white { color: var(--color-white); }
.text-success { color: var(--color-success-600); }
.text-warning { color: var(--color-warning-600); }
.text-error { color: var(--color-error-600); }

.bg-white { background-color: var(--color-white); }
.bg-gray-50 { background-color: var(--color-gray-50); }
.bg-gray-100 { background-color: var(--color-gray-100); }
.bg-primary { background-color: var(--color-primary-600); }
.bg-secondary { background-color: var(--color-secondary-500); }

/* Border Utilities */
.border { border: 1px solid var(--border-default); }
.border-2 { border: 2px solid var(--border-default); }
.border-t { border-top: 1px solid var(--border-default); }
.border-b { border-bottom: 1px solid var(--border-default); }
.border-l { border-left: 1px solid var(--border-default); }
.border-r { border-right: 1px solid var(--border-default); }
.border-none { border: none; }

.rounded-none { border-radius: var(--radius-none); }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded { border-radius: var(--radius-default); }
.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); }

/* Shadow Utilities */
.shadow-none { box-shadow: var(--shadow-none); }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow { 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); }

/* Display Utilities */
.hidden { display: none; }
.block { display: block; }
.inline { display: inline; }
.inline-block { display: inline-block; }

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

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

/* Z-Index Utilities */
.z-0 { z-index: var(--z-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); }

/* Transition Utilities */
.transition-none { transition: none; }
.transition-all { transition: all var(--transition-base); }
.transition-fast { transition: all var(--transition-fast); }
.transition-slow { transition: all var(--transition-slow); }

/* ========================================
   9. RESPONSIVE UTILITIES
   ======================================== */

/* Mobile First Breakpoints */
@media (min-width: 640px) {
    .sm\:hidden { display: none; }
    .sm\:block { display: block; }
    .sm\:inline-block { display: inline-block; }
    .sm\:flex { display: flex; }
    .sm\:grid { display: grid; }
    .sm\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
    .sm\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
    .sm\:text-left { text-align: left; }
    .sm\:text-center { text-align: center; }
}

@media (min-width: 768px) {
    .md\:hidden { display: none; }
    .md\:block { display: block; }
    .md\:inline-block { display: inline-block; }
    .md\:flex { display: flex; }
    .md\:grid { display: grid; }
    .md\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
    .md\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
    .md\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
    .md\:text-left { text-align: left; }
    .md\:text-center { text-align: center; }
}

@media (min-width: 1024px) {
    .lg\:hidden { display: none; }
    .lg\:block { display: block; }
    .lg\:inline-block { display: inline-block; }
    .lg\:flex { display: flex; }
    .lg\:grid { display: grid; }
    .lg\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
    .lg\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
    .lg\:text-left { text-align: left; }
}

@media (min-width: 1280px) {
    .xl\:hidden { display: none; }
    .xl\:block { display: block; }
    .xl\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
    .xl\:grid-cols-5 { grid-template-columns: repeat(5, 1fr); }
}

/* ========================================
   10. ANIMATION CLASSES
   ======================================== */

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

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

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.animate-fadeIn { animation: fadeIn 0.5s ease-in; }
.animate-fadeInUp { animation: fadeInUp 0.5s ease-out; }
.animate-fadeInDown { animation: fadeInDown 0.5s ease-out; }
.animate-slideInLeft { animation: slideInLeft 0.5s ease-out; }
.animate-slideInRight { animation: slideInRight 0.5s ease-out; }
.animate-pulse { animation: pulse 2s ease-in-out infinite; }

/* Hover Animations */
.hover-lift:hover {
    transform: translateY(-4px);
    transition: transform var(--transition-base);
}

.hover-grow:hover {
    transform: scale(1.05);
    transition: transform var(--transition-base);
}

.hover-shadow:hover {
    box-shadow: var(--shadow-xl);
    transition: box-shadow var(--transition-base);
}

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(255, 107, 53, 0.5);
    transition: box-shadow var(--transition-base);
}