/* Font families */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Poppins:wght@600;700;800&display=swap');

:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1e40af;
    --color-secondary: #a855f7;
    --color-accent: #06b6d4;
    --color-success: #10b981;
    --color-light: #f8fafc;
    --color-dark: #1e293b;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: #1f2937;
    background-color: #ffffff;
    line-height: 1.6;
}

.font-inter {
    font-family: 'Inter', sans-serif;
}

.font-poppins {
    font-family: 'Poppins', sans-serif;
}

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

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

@keyframes fadeInUp {
    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 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 shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

/* Animation classes */
.fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

.slide-up {
    animation: slideUp 0.8s ease-out forwards;
}

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

.slide-in-left {
    animation: slideInLeft 0.6s ease-out forwards;
    opacity: 0;
}

.slide-in-right {
    animation: slideInRight 0.6s ease-out forwards;
    opacity: 0;
}

.scale-in {
    animation: scaleIn 0.6s ease-out forwards;
    opacity: 0;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Utility classes */
.gradient-blue-purple {
    background: linear-gradient(135deg, #2563eb 0%, #a855f7 100%);
}

.gradient-text {
    background: linear-gradient(135deg, #2563eb 0%, #a855f7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Button hover effects */
button {
    transition: all 0.3s ease;
}

button:active {
    transform: scale(0.98);
}

/* Link hover effects */
a {
    transition: color 0.3s ease;
}

/* Form elements */
input,
textarea,
select {
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    font-family: 'Inter', sans-serif;
    transition: all 0.3s ease;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Responsive images */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Accessible focus states */
button:focus-visible,
a:focus-visible {
    outline: 2px solid #2563eb;
    outline-offset: 2px;
}

/* Mobile menu toggle (example) */
@media (max-width: 768px) {
    nav {
        padding: 1rem;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    section {
        padding: 3rem 1rem;
    }
}

/* Tablet optimizations */
@media (min-width: 769px) and (max-width: 1024px) {
    h1 {
        font-size: 3rem;
    }

    h2 {
        font-size: 2rem;
    }
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Print styles */
@media print {
    nav,
    footer {
        display: none;
    }

    body {
        background: white;
    }
}