*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: #0a0a0f;
    color: #ffffff;
    min-height: 100vh;
    overflow-x: hidden;
}

#particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.container {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem 1.5rem;
    text-align: center;
}

.logo {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
}

.logo-dot {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #e0e7ff, #c7d2fe);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.description {
    font-size: 1.1rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.6);
    max-width: 600px;
    margin-bottom: 2.5rem;
}

.subscribe-form {
    display: flex;
    gap: 0;
    max-width: 460px;
    width: 100%;
    margin-bottom: 2.5rem;
}

.email-input {
    flex: 1;
    padding: 0.875rem 1.25rem;
    font-size: 1rem;
    font-family: inherit;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-right: none;
    border-radius: 12px 0 0 12px;
    color: #ffffff;
    outline: none;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.email-input::placeholder {
    color: rgba(255, 255, 255, 0.35);
}

.email-input:focus {
    border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15), inset 0 0 0 1px rgba(99, 102, 241, 0.3);
}

.notify-btn {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: #ffffff;
    border: none;
    border-radius: 0 12px 12px 0;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s, filter 0.2s;
    white-space: nowrap;
}

.notify-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
    filter: brightness(1.1);
}

.notify-btn:active {
    transform: translateY(0);
}

.success-msg {
    display: none;
    font-size: 1rem;
    color: #34d399;
    margin-bottom: 2.5rem;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 0.4s, transform 0.4s;
}

.success-msg.visible {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.social-links {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.social-links a {
    color: rgba(255, 255, 255, 0.5);
    transition: color 0.3s, filter 0.3s;
}

.social-links a:hover {
    color: #8b5cf6;
    filter: drop-shadow(0 0 8px rgba(139, 92, 246, 0.5));
}

.social-icon {
    width: 24px;
    height: 24px;
}

.footer {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.3);
}

/* Responsive */
@media (max-width: 540px) {
    .logo {
        font-size: 2.5rem;
    }

    .tagline {
        font-size: 1.2rem;
    }

    .description {
        font-size: 1rem;
    }

    .subscribe-form {
        flex-direction: column;
        gap: 0.75rem;
    }

    .email-input {
        border-right: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: 12px;
    }

    .email-input:focus {
        border-color: #6366f1;
    }

    .notify-btn {
        border-radius: 12px;
    }
}