:root {
    --light: #bfccd5;
    --dark: #4b5d70;
    --accent: #b4f8f9;
    --bg: #0d161f;
}

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

body {
    min-height: 100vh;
    background: var(--bg);
    display: grid;
    place-items: center;
    font-family: 'Poppins', sans-serif;
}

.form-container {
    position: relative;
    max-width: 500px;
    width: 90%;
    background: var(--dark);
    border-radius: 25px;
    padding: 40px 35px;
    box-shadow: 0 0 30px rgba(75, 93, 112, 0.4);
    animation: float 4s ease-in-out infinite;
}

.form-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 25px;
    padding: 2px;
    background: linear-gradient(45deg, var(--light), var(--accent), var(--dark));
    background-size: 200% 200%;
    animation: border-glow 6s linear infinite;
    z-index: -1;
}

.form {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.form-group {
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    color: var(--dark); /* Dark text for labels */
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 18px 22px;
    border: 2px solid var(--dark);
    border-radius: 15px;
    background: transparent;
    color: var(--dark); /* Dark text for input/textarea values */
    font-family: inherit;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--dark); /* Dark placeholder text */
    opacity: 0.7;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(110, 192, 216, 0.4);
    transform: scale(1.02);
}

.form-group textarea {
    min-height: 140px;
    resize: vertical;
}

.form-submit-btn {
    width: 100%;
    padding: 18px 40px;
    background: var(--dark);
    border: 2px solid var(--accent);
    color: var(--light); /* Light text on button */
    font-weight: 600;
    font-size: 16px;
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    margin-top: 20px;
    position: relative;
    overflow: hidden;
}

.form-submit-btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--accent);
    opacity: 0;
    transition: opacity 0.3s;
    z-index: -1;
}

.form-submit-btn:hover {
    color: var(--light); /* Light text on hover */
}

.form-submit-btn:hover::after {
    opacity: 0.2;
}

.form-submit-btn:active {
    transform: scale(0.98);
}

@keyframes border-glow {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* Responsive Design */
@media (max-width: 600px) {
    .form-container {
        padding: 30px 25px;
    }
    
    .form-group input,
    .form-group textarea {
        padding: 15px 18px;
    }
    
    .form-submit-btn {
        padding: 16px 30px;
        font-size: 15px;
    }
}