/* ================================
   Reset & Base Styles
   ================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --accent-color: #28a745;
    --dark-color: #212529;
    --light-color: #f8f9fa;
    --white: #ffffff;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-tertiary: linear-gradient(135deg, #667eea 0%, #f093fb 100%);
    
    /* Typography */
    --font-primary: 'Arial', sans-serif;
    --font-secondary: 'Georgia', serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 3rem;
    --section-padding: 4rem 0;
    
    /* Shadows */
    --card-shadow: 0 12px 35px rgba(0, 0, 0, 0.1);
    --card-shadow-hover: 0 20px 45px rgba(0, 0, 0, 0.15);
    --shadow-light: 0 4px 6px rgba(0, 0, 0, 0.07);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--white);
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul, ol {
    list-style: none;
}
/* ================================
   Utility Classes
   ================================ */

/* Unified Icon Container */
.icon-container {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    transition: transform var(--transition-normal), background var(--transition-normal);
}

.icon-container i {
    font-size: 2rem;
    color: var(--white);
    transition: color var(--transition-normal);
}

.icon-container:hover {
    transform: scale(1.1) rotate(5deg);
}

/* Unified Card Hover Effect */
.card-hover {
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.card-hover:hover {
    transform: translateY(-8px);
    box-shadow: var(--card-shadow-hover);
}

/* Gradient Backgrounds */
.bg-gradient-primary {
    background: var(--gradient-primary);
}

.bg-gradient-secondary {
    background: var(--gradient-secondary);
}

/* ================================
   Animations (Consolidated)
   ================================ */

/* Fade In Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Fade In Up Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Slide In Left Animation */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Slide In Right Animation */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Fade In Right Animation */
@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Slide Up Animation */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Animate-in class for scroll animations */
.animate-in {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* Data-animate initial state */
[data-animate] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

[data-animate].animate-in {
    opacity: 1;
    transform: translateY(0);
}