body {
    min-height: 100vh;

    font-family: "VAZIR", sans-serif;
}

main{
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.contact-card {
    background: linear-gradient(135deg, #141e30 0%, #243b55 100%);
    backdrop-filter: blur(12px);
    box-shadow: 0 12px 35px rgba(0,0,0,0.35);
    border-radius: 22px;
    padding: 35px 30px;
    margin-top: 80px;
    width: 100%;
    max-width: 550px;
    color: #fff;
    animation: fadeIn 0.9s ease;
}
.hero-subtitle{
    position: relative;
    z-index: 1;
    opacity: 0.9;
    margin-bottom: 22px;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(25px); }
    to   { opacity: 1; transform: translateY(0); }
}

label {
    font-weight: bold;
    margin-bottom: 6px;
}

.form-control {
    border-radius: 10px;
    border: none;
    padding: 13px;
}

.form-control:focus {
    box-shadow: 0 0 10px rgba(255,255,255,0.3);
}

.btn-submit {
position: relative;
overflow: hidden;

background: linear-gradient(45deg, #5bebc7, #176552);
border: none;
padding: 14px;
border-radius: 14px;
font-size: 1.1rem;
font-weight: bold;
transition: transform .25s ease, filter .25s ease;
}

/* لایه نور روی دکمه */
.btn-submit::before {
content: "";
position: absolute;
inset: -2px;
background: radial-gradient(circle at 20% 30%, rgba(255,255,255,.55), transparent 45%),
        linear-gradient(90deg, rgba(255,255,255,.25), transparent 60%);
opacity: 0;
transition: opacity .25s ease;
z-index: 0;
}

/* نوار درخشش که روی دکمه حرکت می‌کنه */
.btn-submit::after {
content: "";
position: absolute;
top: 0; left: -30%;
width: 30%;
height: 100%;
background: rgba(255,255,255,.35);
transform: skewX(-20deg);
opacity: 0;
transition: left .35s ease, opacity .25s ease;
z-index: 0;
}

.btn-submit span {
position: relative;
z-index: 1; /* متن همیشه بالاتر باشه */
}

.btn-submit:hover {
transform: translateY(-3px) scale(1.01);
filter: saturate(1.15) brightness(1.03);
}

.btn-submit:hover::before {
opacity: 1;
}

.btn-submit:hover::after {
left: 110%;
opacity: 1;
}

.btn-submit:active {
transform: translateY(-1px) scale(0.99);
}

.small-note{
position: relative;
z-index: 1;
opacity: 0.85;
font-size: 0.95rem;
margin-top: 12px;
}