/* ===========================
   Form Styles
   =========================== */

.contact-form {
    max-width: 560px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.form-optional {
    font-family: var(--font-system);
    font-size: 0.75rem;
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
    color: var(--text-faint);
}

.required {
    color: #f87171;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
    font-family: var(--font-system);
    color: var(--text-primary);
    background-color: var(--bg-surface);
    border: 1px solid var(--border-strong);
    border-radius: 6px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    appearance: none;
    -webkit-appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-faint);
}

.form-group input:hover,
.form-group textarea:hover {
    border-color: rgba(255, 255, 255, 0.25);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.12);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.65;
}

/* Submit button */
.submit-button {
    width: 100%;
    background-color: var(--accent-green);
    color: #09090f;
    padding: 0.9375rem 2rem;
    font-size: 0.9375rem;
    font-weight: 700;
    font-family: var(--font-mono);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: opacity 0.2s ease, transform 0.2s ease;
    letter-spacing: 0.01em;
}

.submit-button:hover {
    opacity: 0.88;
    transform: translateY(-1px);
}

.submit-button:active {
    transform: translateY(0);
}

.submit-button:focus-visible {
    outline: 2px solid var(--accent-green);
    outline-offset: 3px;
}

.submit-button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

/* ===========================
   Form Responsive
   =========================== */

@media (max-width: 639px) {
    .form-group input,
    .form-group textarea {
        font-size: 1rem; /* prevent zoom on iOS */
    }
}