:root {
    --primary: #000;
    --accent: #25d366;
    --text: #ffffff;
    --muted: #cccccc;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family:
        -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, Helvetica,
        Arial, sans-serif;
}

body {
    background-color: var(--primary);
    color: var(--text);
    line-height: 1.5;
}

/* HERO */

.hero {
    min-height: 100vh;
    background:
        linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.85)),
        url("media/background.jpeg");
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

/* CARD */

.card {
    max-width: 520px;
    width: 100%;
    background: rgba(0, 0, 0, 0.65);
    border-radius: 20px;
    padding: 32px 24px;
    backdrop-filter: blur(6px);
    text-align: center;
}

h1 {
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

p {
    font-size: 1.05rem;
    color: var(--muted);
    margin-bottom: 28px;
}

/* FEATURES */

.features {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 28px;
    font-size: 0.95rem;
}

.features span {
    background: rgba(255, 255, 255, 0.08);
    padding: 8px 14px;
    border-radius: 999px;
}

/* CTA */

.cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 16px;
    font-size: 1.1rem;
    font-weight: 600;
    color: #000;
    background-color: var(--accent);
    border-radius: 14px;
    text-decoration: none;
    transition:
        transform 0.15s ease,
        box-shadow 0.15s ease;
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.35);
}

.cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 40px rgba(37, 211, 102, 0.45);
}

/* FOOTER */

footer {
    margin-top: 20px;
    font-size: 0.8rem;
    color: #aaa;
}

/* DESKTOP */

@media (min-width: 768px) {
    h1 {
        font-size: 2.6rem;
    }

    .card {
        padding: 40px 36px;
    }
}
