* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #f8fafc;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    text-align: center;
    padding: 20px;
}
.container {
    max-width: 600px;
    background: rgba(30, 41, 59, 0.7);
    padding: 40px 30px;
    border-radius: 16px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
}
h1 {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.05em;
    margin-bottom: 16px;
    background: linear-gradient(to right, #38bdf8, #818cf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
h3 {
    font-size: 1.5rem;                   /* Smanjeno sa 2.5rem radi vizuelne hijerarhije */
    font-weight: 700;                   /* Malo mekše od 800, ali i dalje lijepo podebljano */
    letter-spacing: -0.03em;            /* Blago ublažen razmak za manja slova */
    margin-bottom: 24px;                /* Srazmjerno manji razmak ispod naslova, malo dodano */
    background: linear-gradient(to right, #38bdf8, #818cf8); /* Isti prelijepi gradijent */
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

p {
    font-size: 1.15rem;
    color: #94a3b8;
    line-height: 1.6;
    margin-bottom: 30px;
}
.badge {
    display: inline-block;
    background: rgba(56, 189, 248, 0.1);
    color: #38bdf8;
    padding: 6px 16px;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 20px;
    border: 1px solid rgba(56, 189, 248, 0.2);
}
.email-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 450px;
    margin: 0 auto 20px auto;
}
@media (min-width: 480px) {
    .email-form {
        flex-direction: row;
        gap: 8px;
    }
}
.email-input {
    flex: 1;
    padding: 14px 20px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(15, 23, 42, 0.6);
    color: #fff;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s;
}
.email-input:focus {
    border-color: #38bdf8;
}
.submit-btn {
    background: linear-gradient(to right, #38bdf8, #818cf8);
    color: #0f172a;
    font-weight: 600;
    padding: 14px 24px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    transition: opacity 0.2s;
}
.submit-btn:hover {
    opacity: 0.9;
}
.footer {
    margin-top: 30px;
    font-size: 0.875rem;
    color: #64748b;
}