body {
    background: #000;
    font-family: "Inter", sans-serif;
    overflow-x: hidden;
}

/* Full-height hero section */
.signin-hero {
    position: relative;
    width: 100%;
    min-height: 100vh;
    overflow: hidden;
}

/* Video fills the hero */
.signin-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

/* Dark overlay */
.signin-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.45);
    z-index: 2;
}

/* Centered sign-in card */
.signin-wrapper {
    position: relative;
    z-index: 3;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 40px 20px;
}

.signin-card {
    max-width: 420px;
    width: 100%;
    background: #fff;
    border-radius: 14px;
    padding: 32px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.25);
}

.signin-card .form-control {
    padding: 12px;
    border-radius: 10px;
}

.signin-card h3 {
    font-weight: 700;
}

.signin-card p {
    line-height: 1.6;
}