/* ==========================================================================
   Join / Features Promo Page
   Promotes sign-up by showcasing auth features.
   Uses design-system.css variables from scaffold layout.
   ========================================================================== */

.join-page {
    max-width: 800px;
    margin: 0 auto;
    padding: 3rem 1.5rem;
    text-align: center;
}

/* Hero Section */
.join-hero {
    margin-bottom: 3rem;
}

.join-hero-emoji {
    font-size: 5rem;
    margin-bottom: 1.5rem;
    animation: join-float 3s ease-in-out infinite;
}

@keyframes join-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.join-hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--neon-blue, #4A9EFF);
    margin-bottom: 0.75rem;
    text-shadow: 0 0 20px rgba(74, 158, 255, 0.4);
}

.join-hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary, #b8b8c8);
    max-width: 500px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Feature Cards Grid */
.join-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 3rem;
    text-align: left;
}

.join-feature-card {
    background: var(--bg-card, #16161d);
    border: 1px solid var(--border-subtle, rgba(255, 255, 255, 0.06));
    border-radius: 12px;
    padding: 1.75rem;
    transition: border-color 0.2s, transform 0.2s;
}

.join-feature-card:hover {
    border-color: var(--neon-blue, #4A9EFF);
    transform: translateY(-2px);
}

.join-feature-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.join-feature-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary, #ffffff);
    margin: 0 0 0.5rem 0;
}

.join-feature-desc {
    font-size: 0.9rem;
    color: var(--text-secondary, #b8b8c8);
    line-height: 1.5;
    margin: 0;
}

/* CTA Buttons */
.join-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.join-btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.1rem;
    text-decoration: none;
    transition: all 0.2s;
    border: 2px solid;
}

.join-btn-primary {
    background: linear-gradient(135deg, var(--neon-blue, #4A9EFF) 0%, #0077cc 100%);
    color: #000;
    border-color: var(--neon-blue, #4A9EFF);
    box-shadow: 0 0 20px rgba(74, 158, 255, 0.3);
}

.join-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(74, 158, 255, 0.5);
}

.join-btn-secondary {
    background: transparent;
    color: var(--neon-pink, #ff3b9a);
    border-color: var(--neon-pink, #ff3b9a);
}

.join-btn-secondary:hover {
    background: rgba(255, 59, 154, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(255, 59, 154, 0.3);
}

/* Back Link */
.join-back-link {
    display: inline-block;
    color: var(--text-muted, #808090);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s;
}

.join-back-link:hover {
    color: var(--neon-blue, #4A9EFF);
}

/* Responsive */
@media (max-width: 640px) {
    .join-page {
        padding: 2rem 1rem;
    }
    
    .join-hero-title {
        font-size: 1.75rem;
    }
    
    .join-hero-subtitle {
        font-size: 1rem;
    }
    
    .join-features {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .join-feature-card {
        padding: 1.25rem;
    }
    
    .join-cta {
        flex-direction: column;
    }
    
    .join-btn {
        width: 100%;
        text-align: center;
    }
}