html {
    scrollbar-width: none;
}

html::-webkit-scrollbar {
    display: none;
}

body {
    box-sizing: border-box;
    font-family: 'JetBrains Mono', monospace;
}

.nav-link {
    position: relative;
    transition: all 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #06b6d4;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.contact-card {
    background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
    border: 1px solid #374151;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(6, 182, 212, 0.15);
}

.form-input {
    background: #1f2937;
    border: 1px solid #374151;
    color: #ffffff;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: #06b6d4;
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

.submit-btn {
    background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
    transition: all 0.3s ease;
}

.submit-btn:hover {
    background: linear-gradient(135deg, #0891b2 0%, #0e7490 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(6, 182, 212, 0.3);
}

.submit-btn:disabled {
    background: #374151;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.success-message {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    border: 1px solid #10b981;
}

.error-message {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    border: 1px solid #ef4444;
}