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

html,
body {
    width: 100%;
    height: 100%;
    font-family: "Inter", sans-serif;
    overflow: hidden;
}

/* BACKGROUND VIDEO */
.bg-video {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
}

/* LOGO */
.logo {
    position: fixed;
    top: 24px;
    left: 28px;
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.5px;
    text-shadow: 0 0 14px rgba(0, 0, 0, 0.7);
    z-index: 10;
    user-select: none;
}

/* HERO */
.hero {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 32px 56px;
    background: rgba(0, 0, 0, 0.28);
    backdrop-filter: blur(8px);
    border-radius: 10px;
    max-width: 800px;
    text-align: center;
    color: #fff;
    z-index: 10;
}

.title {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.05;
    margin-bottom: 12px;
    text-shadow: 0 0 18px rgba(0, 0, 0, 0.5);
}

.subtitle {
    font-size: 24px;
    font-weight: 300;
    opacity: 0.92;
    line-height: 1.35;
    text-shadow: 0 0 12px rgba(0, 0, 0, 0.5);
}

/* ========================================= */
/* MOBILE */
/* ========================================= */

@media (max-width: 768px) {

    .logo {
        top: 16px;
        left: 16px;
        font-size: 22px;
        font-weight: 700;
    }

    .hero {
        padding: 40px 40px;
        min-width: 90%;
        min-height: 30%;
        border-radius: 8px;
        background: rgba(0, 0, 0, 0.2);
        backdrop-filter: blur(1px);
    }

    .title {
        font-size: 36px;
        font-weight: 800;
    }

    .subtitle {
        font-size: 18px;
        line-height: 1.3;
    }
}

/* ========================================= */
/* 4K / ULTRA-WIDE */
/* ========================================= */

@media (min-width: 1600px) {
    .title {
        font-size: 80px;
    }

    .subtitle {
        font-size: 30px;
    }
}