/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 14px 24px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-bg);
}

.btn-primary:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    border: 1px solid var(--color-border);
    color: var(--color-text);
    background: transparent;
}

.btn-secondary:hover {
    background: var(--color-surface);
    border-color: var(--color-muted);
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    padding: 10px 18px;
    color: var(--color-muted);
    margin-bottom: 36px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    letter-spacing: 0.01em;
    animation: fadeInUp 0.6s ease both;
}

.badge::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-success);
    animation: pulse 2s ease-in-out infinite;
}

/* Cards */
.card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px 32px;
    background: var(--color-surface);
    transition: all var(--transition-base);
    opacity: 0;
    transform: translateY(20px);
}

.card.visible {
    opacity: 1;
    transform: translateY(0);
}

.card:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-muted);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card.visible:hover {
    transform: translateY(-4px);
}

.card-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    font-size: 1.2rem;
}

@media (prefers-color-scheme: dark) {
    .card-icon {
        background: #1f2937;
    }
}

.card h3 {
    margin-bottom: 12px;
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.card p {
    color: var(--color-muted);
    line-height: 1.7;
    font-size: var(--font-size-base);
}

.card-label {
    font-size: var(--font-size-xs);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: var(--space-xs);
}

.card-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.card-list li {
    color: var(--color-muted);
    font-size: var(--font-size-base);
    line-height: 1.8;
    padding-left: 14px;
    position: relative;
}

.card-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.7em;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--color-border);
}

/* Animations */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}