:root {
    --main-bg-color: #1b0a45; 
    --card-bg-blur: rgba(255, 255, 255, 0.08); 
    --input-bg: rgba(255, 255, 255, 0.05);
    --border-color: rgba(255, 255, 255, 0.2);
}

body {
    background-color: var(--main-bg-color);
    color: white;
    margin: 0;
    padding: 0;
}

.hero-contact {
    min-height: 100vh;
    background-image: url("../images/background-index.jpg");
    background-size: cover;
    background-position: center;
    padding-top: 1vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-bottom: 50px;
}

.contact-container {
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--border-color);
    border-radius: 40px;
    padding: 3vw;
    width: 50vw;
    margin-top: 5vh;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    position: relative;
    z-index: 10;
}

.contact-container h1 {
    text-align: center;
    margin-bottom: 2vw;
    font-size: 2.5em;
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5vw;
}

.form-row {
    display: flex;
    gap: 1.5vw;
}

.input-group {
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 0.5vw;
}

.input-group label {
    font-size: 1.1em;
    font-weight: 600;
    margin-left: 10px;
    color: rgba(255,255,255,0.9);
}

.input-group input,
.input-group textarea {
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 1.2vw;
    color: white;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: 'Open Sans', sans-serif;
}

.input-group input::placeholder,
.input-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.input-group input:focus,
.input-group textarea:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.8);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.1);
}

.input-group textarea {
    resize: vertical;
    min-height: 150px;
}

.btn-submit {
    margin-top: 1vw;
    padding: 1vw 2vw;
    background: white;
    color: #1b0a45;
    border: none;
    border-radius: 50px;
    font-size: 1.2em;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.3s ease;
    align-self: center;
    min-width: 200px;
}

.btn-submit:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.4);
    background-color: #f0f0f0;
}

/* ---------- Mobile ---------- */
@media (max-width: 768px) {
    .contact-container {
        box-sizing: border-box;
        width: calc(100% - 32px);
        margin-top: 24px;
        padding: 24px 20px;
        border-radius: 28px;
    }

    .contact-container h1 {
        font-size: 1.8em;
        margin: 0 0 16px;
    }

    .contact-form { gap: 16px; }

    .form-row {
        flex-direction: column;
        gap: 16px;
    }

    .input-group { gap: 6px; }

    .input-group input,
    .input-group textarea { padding: 12px 14px; }

    .btn-submit {
        margin-top: 8px;
        padding: 12px 24px;
    }
}