:root {
    --primary-color: rgb(238, 31, 59);
    --primary-darker-color: rgb(181, 23, 44);
    --secondary-color: rgb(229, 229, 247);
}

body, * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
    color: #000;
    text-align: center;
}

header {
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 10px;
}

header img {
    height: 8rem;
}

header h1 {
    margin: 1.5rem 0 1rem 0;
}

.review-form {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    width: 100%;
    max-width: 500px;
}

.stars {
    display: flex;
    gap: 0.3rem;
    cursor: pointer;
}

.star {
    width: 2.5rem;
    height: 2.5rem;
    fill: #ccc;
    transition: transform 0.2s ease, fill 0.2s ease;
    transform-origin: center;
}

.star:hover,
.star.active {
    fill: var(--primary-color);
    transform: scale(1.15);
}

.rating-text {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    min-height: 1.5rem;
    margin-top: 0.25rem;
}

.success-message,
.error-message {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.success-message h2,
.error-message h2 {
    color: var(--primary-color);
}

.success-message p,
.error-message p {
    color: #666;
}

.hide {
    display: none !important;
}

textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--secondary-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    resize: vertical;
    text-align: left;
    font-family: inherit;
}

textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.review-form button {
    color: var(--secondary-color);
    background-color: var(--primary-color);
    padding: 1rem 2rem;
    border-radius: .5rem;
    text-decoration: none;
    transition: all .5s ease;
    border: none;
    font-size: 1rem;
    cursor: pointer;
}

.review-form button:disabled {
    background-color: #ccc;
    cursor: not-allowed;
    opacity: 0.7;
}

.review-form button:hover:not(:disabled) {
    background-color: var(--primary-darker-color);
}

header a {
    color: var(--secondary-color);
    background-color: var(--primary-color);
    padding: 1rem 2rem;
    border-radius: .5rem;
    text-decoration: none;
    transition: all .5s ease;
}

header a:hover {
    background-color: var(--primary-darker-color);
}

.bg {
    top: 0;
    left: 0;
    position: absolute;
    z-index: -1;
    width: 100%;
    height: 100vh;
    background-color: var(--secondary-color);
    opacity: 0.05;
    background: radial-gradient(circle, transparent 20%, var(--secondary-color) 20%, var(--secondary-color) 80%, transparent 80%, transparent), radial-gradient(circle, transparent 20%, var(--secondary-color) 20%, var(--secondary-color) 80%, transparent 80%, transparent) 25px 25px, linear-gradient(var(--primary-color) 2px, transparent 2px) 0 -1px, linear-gradient(90deg, var(--primary-color) 2px, var(--secondary-color) 2px) -1px 0;
    background-size: 50px 50px, 50px 50px, 25px 25px, 25px 25px;
}