/* Custom Styles */
:root {
    --primary: #3b82f6;
    --secondary: #06b6d4;
    --dark: #1f2937;
    --light: #f8fafc;
    --gray: #6b7280;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
}

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

::-webkit-scrollbar-track {
    background: #f3f4f6;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(to bottom, var(--primary), var(--secondary));
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(to bottom, #2563eb, #0891b2);
}


/* Header */
.navbar {
    transition: background 0.3s ease;
    backdrop-filter: blur(12px);
}

.navbar-scrolled {
    background: rgba(255, 255, 255, 0.98) !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.logo-icon {
    width: 2rem;
    height: 2rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: bold;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}


/* Utility Classes */
.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-bg {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.gradient-bg-light {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(6, 182, 212, 0.1));
}

.btn-gradient {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    color: white;
    transition: all 0.3s ease;
}

.btn-gradient:hover {
    background: linear-gradient(135deg, #2563eb, #0891b2);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
    color: white;
}

.btn-outline-gradient {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    transition: all 0.3s ease;
}

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


/* Footer */
.social-link {
    width: 2.5rem;
    height: 2.5rem;
    background: #f3f4f6;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray);
    transition: all 0.3s ease;
    text-decoration: none;
}

.social-link:hover {
    background: var(--primary);
    color: white;
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-up.active {
    opacity: 1;
    transform: translateY(0);
}