* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    user-select: none;
}

body {
    background-color: #141414;
    font-family: 'Montserrat', sans-serif;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.container {
    text-align: center;
    position: relative;
    padding: 20px;
}

.logo {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: 80vw;
    opacity: 0.05;
    filter: grayscale(100%);
    -webkit-user-drag: none;
    pointer-events: none;
}

h1 {
    color: #ffffff;
    font-weight: 700;
    font-size: clamp(20px, 4vw, 40px);
    margin-bottom: 10px;
    z-index: 2;
    position: relative;
}

p {
    color: #cccccc;
    font-weight: 300;
    font-size: clamp(14px, 2.5vw, 20px);
    z-index: 2;
    position: relative;
}

.container h1,
.container p {
    animation: fadeUp 1.5s ease forwards;
}

footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    padding: 12px 0;
    text-align: center;
    background: rgba(255, 255, 255, 0.03);
    border-top: 1px solid rgba(255, 255, 255, 0.07);
    backdrop-filter: blur(6px);
}

footer p {
    color: #bdbdbd;
    font-size: clamp(10px, 1.8vw, 14px);
    font-weight: 300;
    margin: 0;
}

.whatsapp-link {
    position: fixed;
    right: 30px;
    bottom: calc(12px + 45px);
    width: 45px;
    height: 45px;

    display: flex;
    align-items: center;
    justify-content: center;

    background-color: #25D366;
    border-radius: 50%;

    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 1s;

    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.whatsapp-link:hover {
    transform: translateY(0) scale(1.15);
    box-shadow: 0 0 12px rgba(37, 211, 102, 0.7);
}

.whatsapp-icon {
    width: 25px;
    height: 25px;
}

@media (max-width: 600px) {
    .whatsapp-link {
        width: 38px;
        height: 38px;
        bottom: calc(12px + 40px);
    }

    .whatsapp-icon {
        width: 20px;
        height: 20px;
    }
}

@media (max-width: 340px) {
    .whatsapp-link {
        width: 38px;
        height: 38px;
        bottom: calc(12px + 50px);
    }
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}