:root {
    --radius: 16px;
    --green: #5f7d5a;
    --bg: #f6f8f5;
}

body {
    margin: 0;
    font-family: system-ui, sans-serif;
    background: var(--bg);
    color: #2f3e2c;
}

main .container {
    max-width: 900px;
    margin: auto;
    padding: 40px 20px;
}

h1 {
    font-size: 36px;
    margin-bottom: 10px;
}

.sub {
    color: #6c7c68;
    margin-bottom: 40px;
}

form {
    display: grid;
    gap: 20px;
}

.form-row {
    display: grid;
    gap: 6px;
}

#contactForm input:not([type=range]),
#contactForm textarea,
#contactForm select {
    padding: 14px;
    border-radius: var(--radius);
    border: 1px solid #d8e0d5;
    font-size: 16px;
    font-family: inherit;
    width: 100%;
}

#contactForm textarea {
    min-height: 140px;
    resize: vertical;
}

#contactForm button {
    padding: 14px;
    border-radius: var(--radius);
    border: none;
    background: var(--green);
    color: white;
    font-size: 16px;
    cursor: pointer;
    transition: 0.2s ease;
}

#contactForm button:hover {
    opacity: 0.9;
}

#contactForm button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

input[type=range] {
    width: 100%;
    height: 8px;
    border-radius: 8px;
    accent-color: var(--green);
    outline: none;
    cursor: pointer;
}

#budgetValue {
    margin-top: 6px;
    font-weight: 600;
    color: var(--green);
}

@media (min-width: 768px) {
    .two-col {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }
}