/* Modern Typography */
:root {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary: #1f2937;
    --accent: #06b6d4;
    --success: #10b981;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px 0 rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
}

* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background: linear-gradient(135deg, #f3f4f6 0%, #f9fafb 100%);
}

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

/* Custom animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

.animate-fade-in {
    animation: fadeIn 1s ease-out;
}

.animate-slide-in-up {
    animation: slideInUp 0.8s ease-out;
}

.animate-scale-in {
    animation: scaleIn 0.6s ease-out;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

/* Modern button styles */
button, a[role="button"] {
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary {
    background: white;
    color: #2563eb;
    padding: 12px 28px;
    border-radius: 10px;
    font-weight: 600;
    border: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
    padding: 12px 28px;
    border-radius: 10px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: white;
    color: #2563eb;
    transform: translateY(-2px);
}

/* Input styles */
input, textarea {
    transition: all 0.3s ease;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    padding: 12px 16px;
    font-size: 1rem;
}

input:focus, textarea:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

/* Modern card styles */
.card-modern {
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 24px;
}

.card-modern:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

/* Section styling */
section {
    position: relative;
}

/* Gradient backgrounds */
.gradient-primary {
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
}

.gradient-accent {
    background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
}

/* Mobile Menu Animation */
#mobileMenu {
    animation: slideDown 0.3s ease-out;
}

#mobileMenu.hidden {
    animation: slideUp 0.3s ease-out forwards;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-10px);
    }
}

@keyframes blink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.3;
    }
}

@keyframes bounce-arrow {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(10px);
    }
}

.animate-blink {
    animation: blink 1.5s ease-in-out infinite;
}

.animate-bounce-arrow {
    animation: bounce-arrow 2s ease-in-out infinite;
}