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

body {
    font-family: "Poppins", sans-serif;
    min-height: 100vh;
    background:
        linear-gradient(rgba(8, 18, 44, 0.65), rgba(8, 18, 44, 0.78)),
        url("images/homepage.jpg") center / cover no-repeat fixed;
    color: #1f2937;
}

.feedback-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
}

.feedback-container {
    width: min(100%, 540px);
    background: rgba(255, 255, 255, 0.96);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    padding: 28px;
    border-radius: 24px;
    box-shadow: 0 24px 50px rgba(15, 23, 42, 0.28);
}

.eyebrow {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: #1565c0;
    font-weight: 700;
    margin-bottom: 10px;
}

h1 {
    font-size: 2rem;
    margin-bottom: 10px;
    color: #0f172a;
}

.intro {
    font-size: 0.96rem;
    line-height: 1.6;
    color: #475569;
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 7px;
    font-weight: 600;
    color: #334155;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #cbd5e1;
    border-radius: 12px;
    font-size: 1rem;
    font-family: inherit;
    background: #f8fafc;
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #1565c0;
    box-shadow: 0 0 0 3px rgba(21, 101, 192, 0.14);
}

button {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #1565c0, #0f4c9a);
    color: #ffffff;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

button:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 20px rgba(21, 101, 192, 0.25);
}

button:disabled {
    opacity: 0.7;
    cursor: wait;
    transform: none;
    box-shadow: none;
}

.form-status {
    min-height: 24px;
    margin-top: 12px;
    font-size: 0.92rem;
    color: #334155;
}

.form-status.success {
    color: #047857;
}

.form-status.error {
    color: #b91c1c;
}

@media (max-width: 640px) {
    .feedback-page {
        padding: 16px;
    }

    .feedback-container {
        padding: 20px;
        border-radius: 18px;
    }

    h1 {
        font-size: 1.6rem;
    }

    .intro,
    .form-group input,
    .form-group select,
    .form-group textarea,
    button {
        font-size: 0.95rem;
    }
}